Quick unloading filter press for drilling water-based cuttings

Abstract

The utility model discloses a quick unloading filter press for drilling water-based cuttings, and relates to the technical field of filter presses. The device comprises a machine case, the top of the machine case is of an open structure, a cover plate is hinged to one side of the middle of the top of the machine case, a water inlet pipe is embedded in the middle of the cover plate, the two sides of the back face of the machine case are communicated with [-shaped pipes, and the middle of each [-shaped pipe is communicated with a water outlet pipe; the filter pressing assembly comprises first guide rods which are fixedly arranged between the inner side walls of the machine box at intervals, and mounting plates are fixedly arranged at the bottom of the machine box at intervals. According to the utility model, a bidirectional synchronous extrusion mode is adopted, the uniform stress of the filter material is ensured, the problem of stain leakage caused by insufficient clamping force is avoided, the first filter material and the second filter material are combined for use, the multi-stage filtration is realized, the filtration precision and efficiency are improved, and meanwhile, the production cost is reduced. Due to the integrated design, the cleaning and replacing processes of the filter cloth are simplified, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter press equipment technical field, concretely relates to a kind of drilling water-based scrap rock quick discharge filter press. BACKGROUND

[0002] In the process of resource exploration and development of oil, natural gas and the like, drilling operation can generate a large amount of waste water-based drilling rock debris. In order to realize sustainable utilization of resources and environmental protection, filter press as a kind of efficient solid-liquid separation equipment is widely used in the treatment of water-based drilling rock debris.

[0003] The traditional filter press generally extrudes the filter material from one direction. Although this extrusion arrangement can achieve solid-liquid separation to some extent, it can cause some problems. Due to the single direction of extrusion, the clamping force of part of the filter cloth is not uniform, which causes the stains to directly leave from the gap of the filter cloth, affecting the filtering effect. In order to ensure that the extrusion force is sufficient, the filter cloth is usually firmly fixed on the filter plate to ensure that it does not move or fall off during the filtering process. However, this design brings new problems. When the filter cloth needs to be cleaned or replaced, due to its close connection with the filter plate, the operation process becomes cumbersome and time-consuming, increasing the maintenance cost and operation difficulty. Therefore, we propose a kind of drilling water-based scrap rock quick discharge filter press to solve the above problems. SUMMARY

[0004] The utility model discloses in order to realize the above-mentioned purpose specifically adopts the following technical scheme:

[0005] A kind of drilling water-based scrap rock quick discharge filter press, comprising:

[0006] Machine case, the top of the machine case is open structure, the top of the machine case middle side is hinged with cover plate, the middle part of the cover plate is embedded with inlet pipe, the back of the machine case two sides are communicated with the pipe of Chinese character, the middle part of the pipe of Chinese character is communicated with outlet pipe;

[0007] Filtering assembly, the filtering assembly includes first guide rod that is fixedly arranged between the inner side wall of machine case, the bottom of the machine case is fixedly arranged with mounting plate, the bottom side of the mounting plate is constructed with water leakage hole at equal intervals, the upper side of two the mounting plate is fixedly arranged with second guide rod at intervals, the surface of the first guide rod and second guide rod is slidably sleeved with clamping plate, the clamping plate is L-shaped, and first filter material is arranged between two the clamping plate.

[0008] Driving mechanism, set in the inside of the machine case, the driving mechanism is driven by two clamping plates to approach each other or move away from each other.

[0009] Further, the driving mechanism comprises rotating rods rotatably connected between the inner side walls of the cabinet, a cam is fixedly arranged at the middle portion of the rotating rod, a fixed block is fixedly arranged on the outer side of the clamping plate, an arc-shaped slot is arranged on the side of the fixed block away from the clamping plate, the cam is slidably arranged in the arc-shaped slot, springs are arranged on the surfaces of the first guide rod and the second guide rod between the clamping plate, and a driving member is arranged on the outside of the cabinet.

[0010] Further, the driving member comprises a driving motor arranged on one side of the cabinet, an output shaft of the driving motor is connected with one of the rotating rods, a driving sprocket is fixedly arranged at the end of the rotating rod away from the driving motor, a driven sprocket is fixedly arranged at the end of the other rotating rod, and a transmission chain is arranged in transmission connection between the driving sprocket and the driven sprocket.

[0011] Further, a sewage pipe is arranged in communication with the bottom side of the front face of the cabinet, and a valve is arranged on the pipe body of the sewage pipe.

[0012] Further, the filter screen is arranged on the side of the mounting plate, and the second filter material is arranged between the filter screen and the mounting plate.

[0013] Further, the first filter material is a plurality of layers of polyester filter cloth, and the second filter material is volcanic rock.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model adopts a bidirectional synchronous extrusion mode, ensures uniform stress of the filter material, avoids stain leakage caused by insufficient clamping force, realizes multi-stage filtration through the combination of the first filter material and the second filter material, improves filtration precision and efficiency, and meanwhile, the integrated design simplifies the cleaning and replacement process of the filter cloth, and has high practicability. DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 is another three-dimensional structure schematic view of the utility model;

[0018] Figure 3 is a top view schematic view of the utility model;

[0019] Figure 4 is a three-dimensional structure schematic view of the utility model Figure 3 is a three-dimensional structure schematic view of the utility model

[0020] Marked: 1, case; 2, cover plate; 3, water inlet pipe; 4, square pipe; 5, water outlet pipe; 6, filter press assembly; 601, first guide rod; 602, mounting plate; 603, second guide rod; 604, clamping plate; 605, first filter material; 7, drive mechanism; 701, rotating rod; 702, cam; 703, fixed block; 7031, arc-shaped groove; 704, spring; 8, drive part; 801, drive motor; 802, driving sprocket; 803, driven sprocket; 804, transmission chain; 9, sewage pipe; 10, filter screen; 11, second filter material. DETAILED DESCRIPTION

[0021] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.

[0022] The application provides a kind of drilling water-based scrap rock quick unloading filter press, mainly for solving the single nature of extrusion direction in prior art, part of filter cloth is not enough uniform in clamping degree, to lead to stain directly from the gap of filter cloth, affect filtering effect. To ensure that extrusion degree is enough, filter cloth is usually firmly fixed on filter plate to ensure that it does not move or fall off during filtering process. However, this design brings new problems, when filter cloth needs to be cleaned or replaced, due to its close connection with filter plate, making the operation process cumbersome and time-consuming, increasing maintenance cost and operation difficulty, and providing the following technical scheme, which will be described in detail below in combination with Figures 1-4

[0023] A kind of drilling water-based scrap rock quick unloading filter press, including: case 1, the top of case 1 is open structure, one side of the top of case 1 middle articulates cover plate 2, the middle part of cover plate 2 is embedded with water inlet pipe 3, the back of case 1 two sides are communicated with square pipe 4, the middle part of square pipe 4 is communicated with water outlet pipe 5, the front bottom side of case 1 is communicated with sewage pipe 9, valve is installed on the pipe body of sewage pipe 9;

[0024] Filter press assembly 6, filter press assembly 6 includes first guide rod 601 that is spaced apart and fixed between the inner side wall of case 1, the bottom of case 1 is spaced apart and fixed with mounting plate 602, the bottom side of mounting plate 602 is constructed with water leakage hole at equal intervals, the upper side between two mounting plates 602 is spaced apart and fixed with second guide rod 603, the surface of first guide rod 601 and second guide rod 603 is spaced apart and slidably sleeved with clamping plate 604, clamping plate 604 is L-shaped, and first filter material 605 is arranged between two clamping plates 604;

[0025] ​The driving mechanism 7 is arranged in the inside of the cabinet 1, the driving mechanism 7 is used for driving the two clamping plates 604 to move close to each other or move away from each other, the driving mechanism 7 comprises a rotating rod 701 which is rotatably connected between the inner side walls of the cabinet 1, the middle part of the rotating rod 701 is fixedly provided with a cam 702, the outer side of the clamping plate 604 is fixedly provided with a fixed block 703, the side, away from the clamping plate 604, of the fixed block 703 is provided with an arc-shaped slot 7031, the cam 702 is slidably arranged in the arc-shaped slot 7031, the surfaces of the first guide rod 601 and the second guide rod 603 between the clamping plates 604 are all sleeved with springs 704, and the outside of the cabinet 1 is provided with a driving piece 8, the driving piece 8 is used for driving the two rotating rods 701 to rotate.

[0026] The filter screen 10 is arranged at the side of the mounting plate 602, and the second filter material 11 is filled between the filter screen 10 and the mounting plate 602.

[0027] Work flow description:

[0028] Magma delivery: continuously introduce the drilling water-based cuttings magma into the cabinet 1 of the filter press through the water inlet pipe 3;

[0029] Start the driving mechanism 7: drive the two rotating rods 701 to synchronously rotate through the driving piece 8. The cam 702 on the rotating rod 701 rotates, and the cam 702 slides in the arc-shaped slot 7031 on the outer side of the clamping plate 604, thereby pushing the clamping plate 604 to move inwards or outwards along the first guide rod 601 and the second guide rod 603;

[0030] Extrusion filtration: with the movement of the clamping plate 604, the first filter material 605 is synchronously extruded in two directions, the solid particles in the slurry are intercepted by the first filter material 605, and the water is discharged through the pores of the filter cloth, so that solid-liquid separation is realized;

[0031] Collecting filter residue: when the filter residue in the filter chamber accumulates to a certain degree, the driving motor 801 is turned off, the valve on the sewage pipe 9 is opened, the filter residue is discharged, and then the filter cloth and the filter screen 10 are cleaned, so that the next round of filtration is prepared.

[0032] The drilling water-based cuttings rock rapid unloading filter press adopts a bidirectional synchronous extrusion mode, ensures that the filter materials are uniformly stressed, avoids the problem that stains leak due to insufficient clamping force, the combination of the first filter material 605 and the second filter material 11 realizes multi-stage filtration, improves the filtration precision and efficiency, and meanwhile, the integrated design also simplifies the cleaning and replacement process of the filter cloth.

[0033] As Figure 4As shown in the drawings, in some embodiments, the driving member 8 comprises a driving motor 801 mounted on one side of the cabinet 1, an output shaft of the driving motor 801 is connected with one of the rotating rods 701, a driving sprocket 802 is fixedly arranged at one end of the rotating rod 701 away from the driving motor 801, the other rotating rod 701 is fixedly provided with a driven sprocket 803, and a transmission chain 804 is transmissionally connected between the driving sprocket 802 and the driven sprocket 803, more specifically, the rotating rod 701 where the driving sprocket 802 is arranged obtains power directly through the output shaft of the driving motor 801, and then the power is transmitted to the driving sprocket 802, and the rotating rod 701 where the driven sprocket 803 is arranged is connected with the driving sprocket 802 through the transmission chain 804 and rotates synchronously under the driving of the driving sprocket 802.

[0034] As Figure 4 As shown in the drawings, in some embodiments, the first filter material 605 is a multi-layer polyester filter cloth, and the second filter material 11 is a volcanic rock, more specifically, the multi-layer polyester filter cloth is woven by a plurality of layers of polyester fibers, the multi-layer structure can increase the pollution capturing capacity of the filter cloth, compared with a single-layer filter cloth, it can capture more solid particles on the surface of the filter cloth and between the layers. At the same time, this structure also helps to improve the filtering precision, so that finer particles can be effectively intercepted, and the multi-layer structure can also disperse the pressure to avoid damage to the filter cloth caused by excessive local pressure, the volcanic rock is a kind of natural mineral, has a unique porous structure, and this porous structure endows the volcanic rock with a large specific surface area, so that it has a strong adsorption capacity, and the volcanic rock contains a plurality of mineral components, and these mineral components have good chemical activity and can have physical or chemical adsorption with some components in the drilling water-based cuttings magma liquid.

[0035] The above description of disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A drilling water-based cuttings rock rapid unloading filter press, characterized in that, Include: The cabinet (1), the top of the cabinet (1) is open structure, the middle side of the top of the cabinet (1) is hinged with a cover plate (2), the middle part of the cover plate (2) is embedded with a water inlet pipe (3), the back of the cabinet (1) is communicated with a character-shaped pipe (4) on both sides, and the middle part of the character-shaped pipe (4) is communicated with a water outlet pipe (5); The filter assembly (6) comprises a first guide rod (601) which is spaced and fixed between the inner side walls of the cabinet (1), and a mounting plate (602) which is spaced and fixed at the bottom of the cabinet (1), a plurality of water leakage holes are arranged at the bottom side of the mounting plate (602) at equal intervals, a second guide rod (603) is spaced and fixed between the upper sides of the two mounting plates (602), a clamping plate (604) is slidably sleeved on the surfaces of the first guide rod (601) and the second guide rod (603), the clamping plate (604) is L-shaped, and a first filter material (605) is arranged between the two clamping plates (604). The driving mechanism (7) is arranged in the cabinet (1), and the driving mechanism (7) is used for driving the two clamping plates (604) to move close to each other or move away from each other.

2. A water-based cuttings rapid unloading filter press for drilling wells according to claim 1, characterized in that, The driving mechanism (7) comprises a rotating shaft (701) which is rotatably connected between the inner side walls of the cabinet (1), a cam (702) which is fixedly arranged on the middle part of the rotating shaft (701), a fixed block (703) which is fixedly arranged on the outer side of the clamping plate (604), an arc-shaped groove (7031) which is arranged on the side of the fixed block (703) away from the clamping plate (604), the cam (702) is slidably embedded in the arc-shaped groove (7031), springs (704) are sleeved on the surfaces of the first guide rod (601) and the second guide rod (603) between the clamping plates (604), and a driving member (8) is arranged outside the cabinet (1).

3. A water-based cuttings rapid unloading filter press for drilling wells according to claim 2, characterized in that, The driving member (8) comprises a driving motor (801) arranged on one side of the cabinet (1), an output shaft of the driving motor (801) is connected with one of the rotating shafts (701), a driving sprocket (802) is fixedly arranged on the end of the rotating shaft (701) away from the driving motor (801), a driven sprocket (803) is fixedly arranged on the end of the other rotating shaft (701), and a transmission chain (804) is in transmission connection between the driving sprocket (802) and the driven sprocket (803).

4. The water-based cuttings fast unloading filter press for drilling wells according to claim 1, characterized in that, The front bottom side of the cabinet (1) is communicated with a sewage pipe (9), and a valve is arranged on the pipe body of the sewage pipe (9).

5. The water-based cuttings fast unloading filter press for drilling wells according to claim 1, characterized in that, It also includes a filter screen (10) arranged on the side of the mounting plate (602), and the filter screen (10) is filled with a second filter material (11) between the mounting plate (602).

6. A water-based cuttings rapid unloading filter press for drilling wells according to claim 5, characterized in that, The first filter material (605) is a plurality of layers of polyester filter cloth, and the second filter material (11) is a volcanic rock.

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