Solid-liquid separation treatment device for slurry

Abstract

A solid-liquid separation treatment device for slurry comprises a slurry mixing tank (3) used for preparing slurry filter stock solution from the slurry and a belt filter press (5) used for separating reclaimed water from the slurry filter stock solution, and through the slurry mixing tank (3), particulate matter precipitation and purification treatment are carried out on the slurry to obtain clear water with suspended solids. And through the belt filter press (5), suspended solids are separated to obtain reclaimed water, and solid-liquid separation treatment on the slurry is realized, so that treatment on continuously discharged directional drilling slurry and sand field slurry is met.

Description

Technical Field

[0001] The utility model relates to a solid-liquid separation processing device, in particular to a solid-liquid separation processing device for mud. Background Art

[0002] Directional drilling mud is generated during drilling operations, and sand field mud is generated in sand washing fields. In order to protect the environment, a solid-liquid separation treatment device for mud is an important environmental protection device. Among the existing solid-liquid separation treatment devices for mud, there is no solid-liquid separation treatment device for mud that can meet the requirements of the treatment of continuously discharged directional drilling mud and sand field mud.

[0003] The utility model has the technical feature of obtaining reclaimed water by solid-liquid separation of mud, and has effectively explored and studied the technical problem of continuous solid-liquid treatment of directional drilling mud and sand field mud at the technical level.

[0004] Based on the technical briefing document provided by the applicant on May 18, 2022, which solves practical technical problems in the work process, and the existing technical problems, technical features and technical effects in similar patent documents and background technologies obtained through retrieval, the technical application scheme of the present invention was made. Summary of the invention

[0005] The object of the utility model is a solid-liquid separation processing device for mud.

[0006] In order to overcome the above technical shortcomings, the purpose of the utility model is to provide a solid-liquid separation treatment device for mud, thereby meeting the treatment of continuously discharged directional drilling mud and sand field mud.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: comprising a mud mixing tank for preparing mud filtration stock solution from mud, and a belt filter press for separating the mud filtration stock solution into medium water.

[0008] Due to the design of the mud mixing tank and belt filter press, the mud mixing tank can be used to precipitate and purify particles in the mud to obtain clean water with suspended matter. The belt filter press can be used to separate the suspended matter to obtain reclaimed water, and the solid-liquid separation of the mud can be achieved. The technical problem of continuous solid-liquid treatment of directional drilling mud and sand field mud is solved, thereby meeting the treatment requirements of continuously discharged directional drilling mud and sand field mud.

[0009] The utility model is designed to connect the mud mixing tank and the belt filter press mutually in a way of performing solid-liquid separation treatment on the mud to obtain the reclaimed water.

[0010] The utility model is designed to connect a belt filter press with a mud mixing tank in a manner of separating suspended matter and granular matter in the mud.

[0011] The technical effects of the above three technical solutions are: a mixture of particulate matter, suspended matter and water is formed by treating the mud, and the particulate matter and suspended matter are separated to obtain reclaimed water.

[0012] The utility model is designed to further include a first accessory device, and the first accessory device is arranged on the belt filter press. The first accessory device is arranged to include a return water sedimentation tank, a first submersible pump and a clean water tank.

[0013] The utility model is designed to further include a second accessory device and the second accessory device is arranged on the mud mixing tank. The second accessory device is arranged to include a mud stirring tank, a mud sedimentation tank, a purifier stirring tank, a flocculant stirring tank and a second submersible pump.

[0014] The utility model is designed to further include a third accessory device, and the third accessory device is arranged on the belt filter press. The third accessory device is arranged to include a pipeline pump, a first stop valve and a second stop valve.

[0015] The technical effects of the above three technical solutions are: realizing the integration of other components and expanding the technical effects of the utility model.

[0016] The utility model is designed to provide a mud sedimentation tank between a mud mixing tank and a mud stirring tank, a purifier stirring tank between the mud mixing tank and a second submersible pump, and a flocculant stirring tank between the mud stirring tank and the second submersible pump, the second submersible pump is arranged in a clean water tank, and a belt filter press is arranged between the mud mixing tank and a return water sedimentation tank, a first submersible pump is arranged between the return water sedimentation tank and the clean water tank, and a pipeline pump is arranged between the belt filter press and the clean water tank, and a first stop valve and a second stop valve are arranged on the pipeline pump.

[0017] The technical effect of the above technical scheme is that the basic technical scheme of the utility model is formed by a mud stirring tank, a mud sedimentation tank, a mud mixing tank, a purifier stirring tank, a belt filter press, a return water sedimentation tank, a first submersible pump, a flocculant stirring tank, a second submersible pump, a clean water tank, a pipeline pump, a first stop valve and a second stop valve, which solves the technical problem of the utility model.

[0018] The utility model is designed that the mud mixing tank is arranged as a vertical tank body and the input port part of the mud mixing tank is arranged to be connected with the mud sedimentation tank and the purifier stirring tank respectively, and the output port part of the mud mixing tank is arranged to be connected with the belt filter press.

[0019] The technical effect of the above technical solution is to obtain the mud filtration stock solution containing suspended matter and water after purification.

[0020] The utility model is designed that a belt filter press is provided to include a frame, a water receiving box, a first conveying filter belt, a push plate, a second conveying filter belt, a third conveying filter belt, a water spray pipe, a first power drive, a second power drive, a scraper and a discharge hopper, and the lower end surface of the frame is provided to be connected with the water receiving box, the rear side surface of the frame is provided to be connected with the discharge hopper, and the frame is provided to be connected with the push plate, the water spray pipe and the scraper respectively, the front section of the frame is provided to be connected with the first conveying filter belt, and the rear section of the frame is provided to be connected with the second conveying filter belt and the third conveying filter belt respectively, the push plate is provided at the first The scraper is arranged on the upper end surface of the conveyor filter belt and the inlet end of the second conveyor filter belt, the first power drive is arranged on the first conveyor filter belt and the second power drive is arranged on the second conveyor filter belt and the third conveyor filter belt, a wedge-shaped mouth is arranged on the front section of the second conveyor filter belt and the third conveyor filter belt and a fitting portion is arranged on the rear section of the second conveyor filter belt and the third conveyor filter belt, the outer part of the upper end surface of the first conveyor filter belt is arranged to be connected with the mud mixing tank and the water receiving box is arranged to be connected with the return water sedimentation tank through a pipeline, and the water spray pipe is arranged to be connected with the pipeline pump through a second stop valve.

[0021] The utility model is designed that a frame is arranged as an L-shaped frame body and the horizontal part of the frame is arranged to be connected with the first conveyor filter belt and the wedge-shaped mouth part located between the second conveyor filter belt and the third conveyor filter belt, the vertical part of the frame is arranged to be connected with the fitting part located between the second conveyor filter belt and the third conveyor filter belt, and the water receiving box is arranged as a conical box-shaped body, the push plate is arranged as a rectangular sheet-shaped body and the water spray pipe is arranged as a circular cylindrical body, the first power drive and the second power drive are arranged as a power transmission chain device and the scraper is arranged as a rectangular sheet-shaped body with a compression spring, the discharge hopper is arranged as a road-shaped body with two relative trough bodies and the first conveyor filter belt is arranged as a conveyor belt device with trapezoidal distribution, the driven sprocket wheel of the first power drive is arranged to be connected with the power roller of the first conveyor filter belt and one of the roller bodies of the first conveyor filter belt, one of the roller bodies of the second conveyor filter belt and one of the roller bodies of the third conveyor filter belt are respectively provided with a tensioning device, and a U-shaped guide block is arranged on the filter belt located on the second conveyor filter belt.

[0022] The utility model is designed that a roller group in a fitting portion between a second conveyor filter belt and a third conveyor filter belt is arranged to include a first roller portion, a second roller portion, a third roller portion and a fourth roller portion, and the first roller portion, the second roller portion, the third roller portion and the fourth roller portion are respectively arranged to be connected in a surrounding manner with a filter belt located on the second conveyor filter belt and a filter belt located on the third conveyor filter belt, the first roller portion and the second roller portion are respectively arranged to be connected with a driven sprocket driven by a second power, and the filter belts located on the first roller portion, the second roller portion, the third roller portion and the fourth roller portion are arranged to be distributed in an S shape.

[0023] The technical effects of the above three technical solutions are: achieving separation and disposal of suspended matter in the mud filtration raw liquid.

[0024] The utility model is designed that the mud stirring tank is arranged as a horizontal stirring tank and the input port of the mud stirring tank is arranged to be connected with the flocculant stirring tank and the mud injection pipe respectively, and the output port of the mud stirring tank is arranged to be connected with the mud sedimentation tank.

[0025] The utility model is designed that the flocculant stirring tank is arranged as a vertical stirring tank, the input port of the flocculant stirring tank is arranged to be connected with the second submersible pump, and the output port of the flocculant stirring tank is arranged to be connected with the mud stirring tank.

[0026] The utility model is designed that the mud settling tank is arranged as a vertical tank-shaped body, the input port of the mud settling tank is arranged to be connected in a communication manner with the mud stirring tank, and the output port of the mud settling tank is arranged to be connected in a communication manner with the mud mixing tank.

[0027] The utility model is designed that the purifier stirring tank is arranged as a vertical stirring tank, the input port of the purifier stirring tank is arranged to be connected in communication with the second submersible pump, and the output port of the purifier stirring tank is arranged to be connected in communication with the mud mixing tank.

[0028] The utility model is designed that the second submersible pump is arranged to be connected with the clean water tank in a submerged manner, and the output port of the second submersible pump is arranged to be connected with the purifier stirring tank and the flocculant stirring tank respectively.

[0029] The technical effect of the above five technical solutions is to achieve separation and disposal of particulate matter in the mud.

[0030] The utility model is designed that the return water sedimentation tank is arranged as a rectangular tank-shaped body, the open part of the return water sedimentation tank is arranged to be connected with the belt filter press through a pipeline, and the return water sedimentation tank is arranged to be connected with the first submersible pump in an accommodating manner.

[0031] The utility model is designed that the first submersible pump is arranged to be connected with the return water sedimentation tank in a submerged manner, and the output port of the first submersible pump is arranged to be connected with the clean water tank.

[0032] The utility model is designed that the clean water tank is arranged as a horizontal tank-shaped body and the open part of the clean water tank is arranged to be connected with the first submersible pump and the pipeline pump through pipelines respectively, and the clean water tank is arranged to be connected with the second submersible pump in an accommodating manner.

[0033] The technical effects of the above three technical solutions are: realizing the storage of reclaimed water and realizing the reuse of reclaimed water.

[0034] The utility model is designed that the pipeline pump is arranged as a horizontal pipeline pump and the water inlet port part of the pipeline pump is arranged to be connected with the clean water tank through a pipeline, the water return port part of the pipeline pump is arranged to be connected with the clean water tank through a first stop valve and the water outlet port part of the pipeline pump is arranged to be connected with the belt filter press through a second stop valve, and the first stop valve and the second stop valve are respectively arranged as spherical stop valves.

[0035] The technical effect of the above technical solution is that the cleaning setting of the belt filter press is realized.

[0036] The utility model is designed that a mud stirring tank, a mud sedimentation tank, a mud mixing tank, a purifier stirring tank, a return water sedimentation tank, a second submersible pump, a flocculant stirring tank and a belt filter press are arranged to be distributed in a manner of obtaining medium water by pressure filtration, and the mud stirring tank, the mud sedimentation tank, the mud mixing tank, the purifier stirring tank, the return water sedimentation tank, the second submersible pump, the flocculant stirring tank and the belt filter press are arranged to be distributed in a manner of storing medium water separately, and the mud stirring tank, the mud sedimentation tank, the mud mixing tank, the purifier stirring tank, the return water sedimentation tank, the second submersible pump, the flocculant stirring tank and the belt filter press are arranged to be distributed in a manner of returning medium water together with a pipeline pump, a first stop valve and a second stop valve.

[0037] In the present technical solution, particulate matter refers to a combination of solid matter and flocculant in the mud, and suspended matter refers to a combination of solid matter and purifier in the mud.

[0038] In the present technical scheme, the mud mixing tank and the belt filter press are basic components and are also necessary technical features of the present utility model; the mud stirring tank, the mud sedimentation tank, the purifier stirring tank, the return water sedimentation tank, the first submersible pump and the flocculant stirring tank, the second submersible pump, the clean water tank, the pipeline pump, the first stop valve and the second stop valve are functional components and are features for achieving other technical effects of the present utility model; the designs of the technical features such as the frame, the water receiving box, the first conveyor filter belt, the push plate, the second conveyor filter belt, the third conveyor filter belt, the water spray pipe, the first power drive, the second power drive, the scraper, the discharge hopper, the wedge-shaped mouth, the fitting part, the first roller part, the second roller part, the third roller part and the fourth roller part are technical features that comply with the Patent Law and its implementing rules.

[0039] In the present technical scheme, the mud mixing tank and belt filter press for performing solid-liquid separation treatment on the mud to obtain reclaimed water are important technical features. In the technical field of solid-liquid separation treatment devices for mud, it has novelty, creativity and practicality. The terms in the present technical scheme can be explained and understood using the patent literature in this technical field. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] Figure 1 It is a schematic diagram of the utility model.

[0042] Figure 2 is a structural schematic diagram of a belt filter press 5,

[0043] Mud stirring tank-1, mud sedimentation tank-2, mud mixing tank-3, purifier stirring tank-4, belt filter press-5, return water sedimentation tank-6, first submersible pump-7, flocculant stirring tank-8, second submersible pump-9, clean water tank-90, pipeline pump-91, first stop valve-92, second stop valve-93, frame-51, water receiving box-50, first conveyor filter belt-52, push plate-53, second conveyor filter belt-54, third conveyor filter belt-55, water spray pipe-56, first power drive-57, second power drive-58, scraper-59, discharge hopper-591, wedge-shaped mouth-10, laminating part-20, first roller part-501, second roller part-502, third roller part-503, fourth roller part-504. DETAILED DESCRIPTION

[0044] According to the Examination Guidelines, terms such as “having”, “including” and “comprising” used in the present invention should be understood as not precluding the existence or addition of one or more other elements or combinations thereof.

[0045] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other. In addition, unless otherwise specified, the equipment and materials used in the following embodiments are commercially available. If the processing conditions are not clearly stated, please refer to the purchased product manual or proceed according to conventional methods in the field.

[0048] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0049] Figure 1This is the first embodiment of the utility model, which is specifically described in conjunction with the accompanying drawings. It includes a mud stirring tank 1, a mud sedimentation tank 2, a mud mixing tank 3, a purifier stirring tank 4, a belt filter press 5, a return water sedimentation tank 6, a first submersible pump 7, a flocculant stirring tank 8, a second submersible pump 9, a clean water tank 90, a pipeline pump 91, a first stop valve 92 and a second stop valve 93. A mud sedimentation tank 2 is arranged between the mud mixing tank 3 and the mud stirring tank 1, a purifier stirring tank 4 is arranged between the mud mixing tank 3 and the second submersible pump 9, and a flocculant stirring tank 8 is arranged between the mud stirring tank 1 and the second submersible pump 9, the second submersible pump 9 is arranged in the clean water tank 90, and a belt filter press 5 is arranged between the mud mixing tank 3 and the return water sedimentation tank 6, a first submersible pump 7 is arranged between the return water sedimentation tank 6 and the clean water tank 90, and a pipeline pump 91 is arranged between the belt filter press 5 and the clean water tank 90, and a first stop valve 92 and a second stop valve 93 are arranged on the pipeline pump 91.

[0050] In this embodiment, the mud stirring tank 1 is set as a horizontal stirring tank and the input port of the mud stirring tank 1 is respectively set to be connected to the flocculant stirring tank 8 and the mud injection pipe, and the output port of the mud stirring tank 1 is set to be connected to the mud sedimentation tank 2.

[0051] The mud agitation tank 1 forms a supporting connection point for the mud sedimentation tank 2 and the flocculant agitation tank 8. The mud agitation tank 1 is connected to the mud sedimentation tank 2 and the flocculant agitation tank 8. The technical purpose is to coagulate the mud and separate the particles.

[0052] In this embodiment, the flocculant stirring tank 8 is configured as a vertical stirring tank and the input port of the flocculant stirring tank 8 is configured to be connected to the second submersible pump 9 , and the output port of the flocculant stirring tank 8 is configured to be connected to the mud stirring tank 1 .

[0053] A supporting connection point for the mud stirring tank 1 and the second submersible pump 9 is formed through the flocculant stirring tank 8. The flocculant stirring tank 8 is connected to the mud stirring tank 1 and the second submersible pump 9. The technical purpose is to be used as a component for preparing flocculant liquid.

[0054] In this embodiment, the mud settling tank 2 is configured as a vertical tank-shaped body and the input port portion of the mud settling tank 2 is configured to be connected in a communicating manner with the mud stirring tank 1 , and the output port portion of the mud settling tank 2 is configured to be connected in a communicating manner with the mud mixing tank 3 .

[0055] The mud sedimentation tank 2 forms a supporting connection point for the mud stirring tank 1 and the mud mixing tank 3. The mud sedimentation tank 2 realizes connection with the mud stirring tank 1 and the mud mixing tank 3. Its technical purpose is to be used as a component for precipitating particulate matter in the mud.

[0056] In this embodiment, the purifier stirring tank 4 is configured as a vertical stirring tank and the input port of the purifier stirring tank 4 is configured to be connected to the second submersible pump 9 , and the output port of the purifier stirring tank 4 is configured to be connected to the mud mixing tank 3 .

[0057] A supporting connection point for the mud mixing tank 3 and the second submersible pump 9 is formed through the purifier stirring tank 4. The purifier stirring tank 4 realizes connection with the mud mixing tank 3 and the second submersible pump 9. Its technical purpose is to be used as a component for preparing purified liquid.

[0058] In this embodiment, the mud mixing tank 3 is configured as a vertical tank body and the input port portion of the mud mixing tank 3 is configured to be connected to the mud sedimentation tank 2 and the purifier stirring tank 4 respectively, and the output port portion of the mud mixing tank 3 is configured to be connected to the belt filter press 5.

[0059] Through the mud mixing tank 3, a supporting connection point for the mud sedimentation tank 2, the purifier stirring tank 4 and the belt filter press 5 is formed. The mud mixing tank 3 is connected to the mud sedimentation tank 2, the purifier stirring tank 4, and the belt filter press 5. The technical purpose is to be used as a component for preparing mud filtration raw liquid.

[0060] In this embodiment, the return water sedimentation tank 6 is configured as a rectangular tank-shaped body and the open portion of the return water sedimentation tank 6 is configured to be connected to the belt filter press 5 through a pipeline, and the return water sedimentation tank 6 is configured to be accommodatingly connected to the first submersible pump 7.

[0061] Through the return water sedimentation tank 6, a supporting connection point for the belt filter press 5 and the first submersible pump 7 is formed. The return water sedimentation tank 6 realizes the connection with the belt filter press 5 and the connection with the first submersible pump 7. Its technical purpose is to be used as a component for holding filtered water.

[0062] In the present embodiment, the first submersible pump 7 is configured to be submergedly connected to the return water sedimentation tank 6 , and the output port of the first submersible pump 7 is configured to be connected to the clean water tank 90 .

[0063] Through the first submersible pump 7, a supporting connection point for the return water sedimentation tank 6 and the clean water tank 90 is formed. The first submersible pump 7 realizes the connection with the return water sedimentation tank 6 and the connection with the clean water tank 90. ​​Its technical purpose is to serve as a component for pumping water in the return water sedimentation tank 6 into the clean water tank 90.

[0064] In this embodiment, the clean water tank 90 is configured as a horizontal tank-shaped body and the open portion of the clean water tank 90 is configured to be connected to the first submersible pump 7 and the pipeline pump 91 through pipelines respectively, and the clean water tank 90 is configured to be connected to the second submersible pump 9 in a accommodating manner.

[0065] Through the clean water tank 90, a support connection point for the first submersible pump 7, the second submersible pump 9 and the pipeline pump 91 is formed. The clean water tank 90 realizes connection with the first submersible pump 7, the second submersible pump 9 and the pipeline pump 91. Its technical purpose is to be used as a component for holding grey water.

[0066] In the present embodiment, the second submersible pump 9 is configured to be submergedly connected to the clean water tank 90 and the output port of the second submersible pump 9 is configured to be connected to the purifier stirring tank 4 and the flocculant stirring tank 8 respectively.

[0067] Through the second submersible pump 9, supporting connection points for the purifier stirring tank 4, the flocculant stirring tank 8 and the clean water tank 90 are formed. The second submersible pump 9 realizes the connection with the purifier stirring tank 4, the connection with the flocculant stirring tank 8, and the connection with the clean water tank 90. ​​Its technical purpose is to serve as a component for injecting reclaimed water into the purifier stirring tank 4 and the flocculant stirring tank 8.

[0068] In this embodiment, the pipeline pump 91 is configured as a horizontal pipeline pump 91 and the water inlet port of the pipeline pump 91 is configured to be connected to the clean water tank 90 through a pipeline, the return water port of the pipeline pump 91 is configured to be connected to the clean water tank 90 through a first stop valve 92 and the water outlet port of the pipeline pump 91 is configured to be connected to the belt filter press 5 through a second stop valve 93, and the first stop valve 92 and the second stop valve 93 are respectively configured as spherical stop valves.

[0069] A supporting connection point between the belt filter press 5 and the clean water tank 90 is formed by the pipeline pump 91, the first stop valve 92 and the second stop valve 93. The connection with the belt filter press 5 is realized by the second stop valve 93, and the connection with the clean water tank 90 is realized by the pipeline pump 91 and the first stop valve 92. The technical purpose is to be used as a component for cleaning the belt filter press 5.

[0070] In the present embodiment, the belt filter press 5 is configured to include a frame 51, a water receiving box 50, a first conveyor filter belt 52, a push plate 53, a second conveyor filter belt 54, a third conveyor filter belt 55, a water spray pipe 56, a first power drive 57, a second power drive 58, a scraper 59 and a discharge hopper 591, and the lower end surface of the frame 51 is configured to be connected to the water receiving box 50, the rear side surface of the frame 51 is configured to be connected to the discharge hopper 591, and the frame 51 is respectively configured to be connected to the push plate 53, the water spray pipe 56 and the scraper 59, the front section of the frame 51 is configured to be connected to the first conveyor filter belt 52, and the rear section of the frame 51 is respectively configured to be connected to the second conveyor filter belt 54 and the third conveyor filter belt 55, the push plate 53 It is arranged on the upper end surface portion of the first conveyor filter belt 52 and the scraper 59 is arranged at the inlet end portion of the second conveyor filter belt 54, the first power drive 57 is arranged on the first conveyor filter belt 52 and the second power drive 58 is arranged on the second conveyor filter belt 54 and the third conveyor filter belt 55, a wedge-shaped mouth portion 10 is arranged at the front section of the second conveyor filter belt 54 and the third conveyor filter belt 55, and a fitting portion 20 is arranged at the rear section of the second conveyor filter belt 54 and the third conveyor filter belt 55, the outer portion of the upper end surface of the first conveyor filter belt 52 is arranged to be connected to the mud mixing tank 3 and the water receiving box 50 is arranged to be connected to the return water sedimentation tank 6 through a pipeline, and the water spray pipe 56 is arranged to be connected to the pipeline pump 91 through a second stop valve 93.

[0071] Through the belt filter press 5, support connection points for the mud mixing tank 3, the return water sedimentation tank 6, the pipeline pump 91 and the second stop valve 93 are formed. The first conveying filter belt 52 realizes the connection with the mud mixing tank 3, the water receiving box 50 realizes the connection with the return water sedimentation tank 6, the water spray pipe 56 realizes the connection with the pipeline pump 91 and the connection with the second stop valve 93. The frame 51, the push plate 53, the second conveying filter belt 54, the third conveying filter belt 55, the first power drive 57, the second power drive 58, the scraper 59 and the discharge hopper 591 realize the filtering treatment of the mud filtration stock solution. The technical purpose is to be used as a component for preparing reclaimed water from the mud filtration stock solution.

[0072] In this embodiment, the frame 51 is configured as an L-shaped frame body and the horizontal portion of the frame 51 is respectively configured to be connected to the first conveyor filter belt 52 and the wedge-shaped mouth portion 10 located between the second conveyor filter belt 54 and the third conveyor filter belt 55, the vertical portion of the frame 51 is configured to be connected to the fitting portion 20 located between the second conveyor filter belt 54 and the third conveyor filter belt 55, and the water receiving box 50 is configured as a conical box body, the push plate 53 is configured as a rectangular sheet body and the water spray pipe 56 is configured as a circular cylindrical body, and the first power drive 57 and the second power drive 58 are configured as power transmission The chain device and the scraper 59 are configured as a rectangular sheet body with a compression spring, the discharge hopper 591 is configured as a channel-shaped body with two relative troughs and the first conveyor filter belt 52 is configured as a conveyor belt device with a trapezoidal distribution, the driven sprocket of the first power drive 57 is configured to be connected to the power roller of the first conveyor filter belt 52 and a tensioning device is respectively provided on one of the rollers of the first conveyor filter belt 52, one of the rollers of the second conveyor filter belt 54 and one of the rollers of the third conveyor filter belt 55, and a U-shaped guide block is provided on the filter belt located on the second conveyor filter belt 54.

[0073] The technical purpose is to achieve the initial filtration and transportation of mud filtration raw liquid.

[0074] In this embodiment, the roller group in the fitting portion 20 between the second conveyor filter belt 54 and the third conveyor filter belt 55 is configured to include a first roller portion 501, a second roller portion 502, a third roller portion 503 and a fourth roller portion 504, and the first roller portion 501, the second roller portion 502, the third roller portion 503 and the fourth roller portion 504 are respectively configured to be circumferentially connected to the filter belt on the second conveyor filter belt 54 and the filter belt on the third conveyor filter belt 55, the first roller portion 501 and the second roller portion 502 are respectively configured to be connected to the driven sprocket of the second power drive 58, and the filter belts on the first roller portion 501, the second roller portion 502, the third roller portion 503 and the fourth roller portion 504 are configured to be distributed in an S shape.

[0075] The technical purpose is to realize the extrusion filtration of the mud filtration raw liquid.

[0076] In this embodiment, the mud stirring tank 1, the mud sedimentation tank 2, the mud mixing tank 3, the purifier stirring tank 4, the return water sedimentation tank 6, the second submersible pump 9 and the flocculant stirring tank 8 and the belt filter press 5 are arranged to be distributed in a manner of obtaining grey water by filtration, and the mud stirring tank 1, the mud sedimentation tank 2, the mud mixing tank 3, the purifier stirring tank 4, the return water sedimentation tank 6, the second submersible pump 9, the flocculant stirring tank 8 and the belt filter press 5 and the first submersible pump 7 and the clean water tank 90 are arranged to be distributed in a manner of storing grey water in a separate manner, and the mud stirring tank 1, the mud sedimentation tank 2, the mud mixing tank 3, the purifier stirring tank 4, the return water sedimentation tank 6, the second submersible pump 9, the flocculant stirring tank 8 and the belt filter press 5 and the pipeline pump 91, the first stop valve 92 and the second stop valve 93 are arranged to be distributed in a manner of returning grey water.

[0077] Put the flocculant into the flocculant stirring tank 8, and use the second submersible pump 9 to inject the reclaimed water in the clean water tank 90 into the flocculant stirring tank 8, so that the flocculant stirring tank 8 is in working state, and the flocculant liquid is obtained. Put the purifier into the purifier stirring tank 4, and use the second submersible pump 9 to inject the reclaimed water in the clean water tank 90 into the purifier stirring tank 4, so that the purifier stirring tank 4 is in working state, and the purifier liquid is obtained. Directional drilling mud and sand field mud are injected into the mud stirring tank 1, and the flocculant liquid is injected into the mud stirring tank 1, and the mud is condensed and separated from the particles to obtain the mud intermediate medium, and the mud intermediate medium is injected into the mud sedimentation tank 2 In the process, the particles are precipitated in the mud sedimentation tank 2 to obtain the intermediate medium of the mud filtration stock solution, the intermediate medium of the mud filtration stock solution and the purifier liquid are injected into the mud mixing tank 3, the intermediate medium of the mud filtration stock solution is purified to obtain the mud filtration stock solution, the first power drive 57 and the second power drive 58 are in working state, driving the first conveying filter belt 52, the second conveying filter belt 54 and the third conveying filter belt 55 in working state, the mud filtration stock solution is injected into the initial end of the filter belt of the first conveying filter belt 52, the filter belt of the first conveying filter belt 52 drives the mud filtration stock solution to be transported, and the mud filtration stock solution on the filter belt of the first conveying filter belt 52 is The water in the liquid falls into the water receiving box 50 through the filter belt of the first conveyor filter belt 52 under the action of gravity, and the mud filter stock liquid on the filter belt of the first conveyor filter belt 52 is flattened by the push plate 53. At the filter belt termination end of the first conveyor filter belt 52, the mud filter stock liquid falls to the filter belt initial end of the third conveyor filter belt 55. The filter belt of the third conveyor filter belt 55 drives the mud filter stock liquid to be transported to the wedge-shaped mouth 10. The filter belt of the third conveyor filter belt 55 and the filter belt of the second conveyor filter belt 54 drive the mud filter stock liquid to be transported to the laminating part 20. The first roller part 501, the second roller part 502, the third roller part 503 and the fourth roller part 504 drive the mud filter stock liquid to be transported to the laminating part 20. The filter belts of the third conveyor filter belt 55 and the second conveyor filter belt 54 squeeze the mud filter stock solution. The water in the mud filter stock solution during the squeezing process falls into the water receiving box 50. The floating objects in the mud filter stock solution enter the discharge hopper 591 at the filter belt terminal end of the third conveyor filter belt 55 and the filter belt terminal end of the second conveyor filter belt 54. The scraper 59 removes the attached objects on the initial end of the filter belt of the third conveyor filter belt 55. The filtered water in the water receiving box 50 is injected into the return water sedimentation tank 6 through a pipeline, and is further precipitated in the return water sedimentation tank 6 to obtain reclaimed water. The reclaimed water is discharged into the clean water tank 90 for storage through the first submersible pump 7.

[0078] When it is necessary to clean the filter belts of the first conveyor filter belt 52, the second conveyor filter belt 54 and the third conveyor filter belt 55, the first stop valve 92 is closed and the second stop valve 93 is opened, the pipeline pump 91 is in working state, and the reclaimed water is sprayed onto the filter belts of the first conveyor filter belt 52, the second conveyor filter belt 54 and the third conveyor filter belt 55 through the water spray pipe 56. When the filter belts of the first conveyor filter belt 52, the second conveyor filter belt 54 and the third conveyor filter belt 55 are cleaned, the pipeline pump 91 is in non-working state, the first stop valve 92 is opened and the second stop valve 93 is closed.

[0079] In the second embodiment of the utility model, the mud mixing tank 3 and the belt filter press 5 are connected to each other in a manner of performing solid-liquid separation on the mud to obtain reclaimed water.

[0080] In this embodiment, the belt filter press 5 is connected to the mud mixing tank 3 in a manner to separate the suspended matter and the particulate matter in the mud.

[0081] In this embodiment, a first accessory device is also included and is arranged on the belt filter press 5 . The first accessory device is arranged to include a return water sedimentation tank 6 , a first submersible pump 7 and a clean water tank 90 .

[0082] In this embodiment, a second accessory device is also included and is arranged on the mud mixing tank 3. The second accessory device is arranged to include a mud stirring tank 1, a mud sedimentation tank 2, a purifier stirring tank 4, a flocculant stirring tank 8 and a second submersible pump 9.

[0083] In this embodiment, a third accessory device is further included and is arranged on the belt filter press 5 . The third accessory device is arranged to include a pipeline pump 91 , a first stop valve 92 and a second stop valve 93 .

[0084] The second embodiment of the present utility model is based on the first embodiment.

[0085] The utility model has the following characteristics:

[0086] 1. Due to the design of the mud mixing tank 3 and the belt filter press 5, the mud is subjected to particle precipitation and purification treatment through the mud mixing tank 3 to obtain clean water with suspended matter, and the suspended matter is separated and treated to obtain reclaimed water through the belt filter press 5, and the mud is subjected to solid-liquid separation treatment, thereby meeting the treatment requirements for the continuously discharged directional drilling mud and sand field mud.

[0087] 2. Due to the design of the return water sedimentation tank 6, the first submersible pump 7 and the clean water tank 90, the storage of the reclaimed water is achieved.

[0088] 3. Due to the design of the mud stirring tank 1, the mud settling tank 2, the purifier stirring tank 4, the flocculant stirring tank 8 and the second submersible pump 9, the pre-treatment of the mud to form the mud filtration stock solution is achieved, and the particulate matter is separated.

[0089] 4. Due to the design of the pipeline pump 91, the first stop valve 92 and the second stop valve 93, the belt filter press 5 can be cleaned.

[0090] 5. Since the design limits the numerical range of the structural shape, the numerical range is the technical feature in the technical solution of the utility model, and is not a technical feature calculated by formula or obtained through a limited number of tests. Tests have shown that the technical features of this numerical range have achieved good technical effects.

[0091] 6. Due to the design of the technical features of the utility model, the effects of the individual and combined technical features have been shown through experiments to have various performance indicators of the utility model that are at least 1.7 times the existing performance indicators, and the evaluation shows that the utility model has a good market value.

[0092] There are other technical features connected to the mud mixing tank 3 and the belt filter press 5 for obtaining reclaimed water by solid-liquid separation of the mud, which is one of the embodiments of the utility model, and the technical features of the above-mentioned embodiments can be combined arbitrarily. In order to meet the requirements of the Patent Law, Patent Implementation Rules and Examination Guidelines, all possible combinations of the technical features in the above-mentioned embodiments will no longer be described.

[0093] Therefore, in the technical field of solid-liquid separation processing equipment for mud, all technical contents including the mud mixing tank 3 for preparing mud filtration stock solution from mud and the belt filter press 5 for separating the mud filtration stock solution into the intermediate water are within the protection scope of the present utility model.

Claims

1. A solid-liquid separation device for slurry, characterized by: The invention comprises a mud mixing tank (3) for preparing mud filtration raw liquid from mud, and a belt filter press (5) for separating the mud filtration raw liquid into medium water. It also includes a first accessory device and the first accessory device is arranged on the belt filter press (5), and the first accessory device is arranged to include a return water sedimentation tank (6), a first submersible pump (7) and a clean water tank (90). The invention also includes a second accessory device and the second accessory device is arranged on the mud mixing tank (3). The second accessory device is arranged to include a mud stirring tank (1), a mud sedimentation tank (2), a purifying agent stirring tank (4), a flocculant stirring tank (8) and a second submersible pump (9). The third accessory device is also included and is arranged on the belt filter press (5). The third accessory device is arranged to include a pipeline pump (91), a first stop valve (92) and a second stop valve (93). A mud sedimentation tank (2) is provided between the mud mixing tank (3) and the mud stirring tank (1), a purifier stirring tank (4) is provided between the mud mixing tank (3) and the second submersible pump (9), and a flocculant stirring tank (8) is provided between the mud stirring tank (1) and the second submersible pump (9), the second submersible pump (9) is provided in the clean water tank (90), and a belt filter press (5) is provided between the mud mixing tank (3) and the return water sedimentation tank (6), a first submersible pump (7) is provided between the return water sedimentation tank (6) and the clean water tank (90), and a pipeline pump (91) is provided between the belt filter press (5) and the clean water tank (90), and a first stop valve (92) and a second stop valve (93) are provided on the pipeline pump (91).

2. The solid-liquid separation device for slurry according to claim 1, characterized in that: The mud mixing tank (3) and the belt filter press (5) are connected to each other in a manner of performing solid-liquid separation on the mud to obtain reclaimed water.

3. The solid-liquid separation device for slurry according to claim 2, characterized in that: The belt filter press (5) is connected to the mud mixing tank (3) in a manner of separating suspended matter and particulate matter in the mud.

4. The solid-liquid separation device for slurry according to claim 1, characterized in that: The mud mixing tank (3) is configured as a vertical tank-shaped body, and the input port portion of the mud mixing tank (3) is configured to be connected in a communication manner with the mud sedimentation tank (2) and the purifier stirring tank (4), respectively, and the output port portion of the mud mixing tank (3) is configured to be connected in a communication manner with the belt filter press (5).

5. The solid-liquid separation device for slurry according to claim 1, characterized in that: The belt filter press (5) is configured to include a frame (51), a water receiving box (50), a first conveying filter belt (52), a push plate (53), a second conveying filter belt (54), a third conveying filter belt (55), a water spray pipe (56), a first power drive (57), a second power drive (58), a scraper (59) and a discharge hopper (591). The lower end surface of the frame (51) is configured to be connected to the water receiving box (50), the rear side surface of the frame (51) is configured to be connected to the discharge hopper (591), and the frame (51) is configured to be connected to the push plate (53), the water spray pipe (56) and the scraper (59), respectively. The front section of the frame (51) is configured to be connected to the first conveying filter belt (52), and the rear section of the frame (51) is configured to be connected to the second conveying filter belt (54) and the third conveying filter belt (55), respectively. The push plate (5 3) is arranged on the upper end surface of the first conveyor filter belt (52) and the scraper (59) is arranged at the inlet end of the second conveyor filter belt (54), the first power drive (57) is arranged on the first conveyor filter belt (52) and the second power drive (58) is arranged on the second conveyor filter belt (54) and the third conveyor filter belt (55), the front section of the second conveyor filter belt (54) and the third conveyor filter belt (55) is provided with a wedge-shaped mouth (10) and the rear section of the second conveyor filter belt (54) and the third conveyor filter belt (55) is provided with a fitting portion (20), the outer portion of the upper end surface of the first conveyor filter belt (52) is arranged to be connected to the mud mixing tank (3) and the water receiving box (50) is arranged to be connected to the return water sedimentation tank (6) through a pipeline, and the water spray pipe (56) is arranged to be connected to the pipeline pump (91) through a second stop valve (93), Alternatively, the frame (51) is configured as an L-shaped frame body and the horizontal portion of the frame (51) is configured to be connected to the first conveyor filter belt (52) and the wedge-shaped mouth portion (10) located between the second conveyor filter belt (54) and the third conveyor filter belt (55), the vertical portion of the frame (51) is configured to be connected to the fitting portion (20) located between the second conveyor filter belt (54) and the third conveyor filter belt (55), and the water receiving box (50) is configured as a conical box body, the push plate (53) is configured as a rectangular sheet body, and the water spray pipe (56) is configured as a circular cylindrical body, and the first power drive (57) and the second power drive (58) are configured as dynamic A power transmission chain device and a scraper (59) are configured as a rectangular sheet with a compression spring, a discharge hopper (591) is configured as a channel-shaped body with two opposite troughs, and the first conveyor filter belt (52) is configured as a conveyor belt device with a trapezoidal distribution, a driven sprocket of the first power drive (57) is configured to be connected to a power roller of the first conveyor filter belt (52), and a tensioning device is respectively provided on one roller of the first conveyor filter belt (52), one roller of the second conveyor filter belt (54), and one roller of the third conveyor filter belt (55), and a U-shaped guide block is provided on the filter belt located on the second conveyor filter belt (54). Alternatively, the roller group in the laminating portion (20) between the second conveyor filter belt (54) and the third conveyor filter belt (55) is configured to include a first roller portion (501), a second roller portion (502), a third roller portion (503) and a fourth roller portion (504), and the first roller portion (501), the second roller portion (502), the third roller portion (503) and the fourth roller portion (504) are respectively configured to be connected in a surrounding manner to the filter belt on the second conveyor filter belt (54) and the filter belt on the third conveyor filter belt (55), the first roller portion (501) and the second roller portion (502) are respectively configured to be connected to the driven sprocket of the second power drive (58), and the filter belts on the first roller portion (501), the second roller portion (502), the third roller portion (503) and the fourth roller portion (504) are configured to be distributed in an S-shape.

6. The solid-liquid separation device for slurry according to claim 1, characterized in that: The mud stirring tank (1) is configured as a horizontal stirring tank, and the input port portion of the mud stirring tank (1) is configured to be connected in a communication manner with the flocculant stirring tank (8) and the mud injection pipe, respectively; the output port portion of the mud stirring tank (1) is configured to be connected in a communication manner with the mud sedimentation tank (2). Alternatively, the flocculant stirring tank (8) is configured as a vertical stirring tank and the input port portion of the flocculant stirring tank (8) is configured to be connected in a communication manner to the second submersible pump (9), and the output port portion of the flocculant stirring tank (8) is configured to be connected in a communication manner to the mud stirring tank (1). Alternatively, the mud settling tank (2) is configured as a vertical tank-shaped body, and the input port portion of the mud settling tank (2) is configured to be connected in a communication manner with the mud stirring tank (1), and the output port portion of the mud settling tank (2) is configured to be connected in a communication manner with the mud mixing tank (3). Alternatively, the purifier stirring tank (4) is configured as a vertical stirring tank and the input port portion of the purifier stirring tank (4) is configured to be connected in a communication manner to the second submersible pump (9), and the output port portion of the purifier stirring tank (4) is configured to be connected in a communication manner to the mud mixing tank (3). Alternatively, the second submersible pump (9) is configured to be submergedly connected to the clean water tank (90), and the output port of the second submersible pump (9) is configured to be connected to the purifier stirring tank (4) and the flocculant stirring tank (8), respectively.

7. The solid-liquid separation device for slurry according to claim 1, characterized in that: The return water sedimentation tank (6) is configured as a rectangular tank-shaped body and the open portion of the return water sedimentation tank (6) is configured to be connected to the belt filter press (5) through a pipeline. The return water sedimentation tank (6) is configured to be accommodatingly connected to the first submersible pump (7). Alternatively, the first submersible pump (7) is configured to be submerged in the return water sedimentation tank (6) and the output port of the first submersible pump (7) is configured to be connected to the clean water tank (90). Alternatively, the clean water tank (90) is configured as a horizontal tank-shaped body and the open portion of the clean water tank (90) is configured to be connected to the first submersible pump (7) and the pipeline pump (91) through pipelines, and the clean water tank (90) is configured to be accommodatingly connected to the second submersible pump (9). Alternatively, the pipeline pump (91) is configured as a horizontal pipeline pump (91), and the water inlet port of the pipeline pump (91) is configured to be connected to the clean water tank (90) through a pipeline, the return water port of the pipeline pump (91) is configured to be connected to the clean water tank (90) through a first stop valve (92), and the water outlet port of the pipeline pump (91) is configured to be connected to the belt filter press (5) through a second stop valve (93), and the first stop valve (92) and the second stop valve (93) are respectively configured as spherical stop valves.

8. The solid-liquid separation device for slurry according to any one of claims 1 to 7, characterized in that: The slurry stirring tank (1), the slurry settling tank (2), the slurry mixing tank (3), the purifying agent stirring tank (4), the return water sedimentation tank (6), the second submersible pump (9), the flocculant stirring tank (8) and the belt filter press (5) are arranged to be distributed in a manner of obtaining reclaimed water by pressure filtration, and the slurry stirring tank (1), the slurry settling tank (2), the slurry mixing tank (3), the purifying agent stirring tank (4), the return water sedimentation tank (6), the second submersible pump (9), the flocculant stirring tank (8) and the belt filter press (5) are arranged to be distributed in a manner of storing reclaimed water by separation, and the slurry stirring tank (1), the slurry settling tank (2), the slurry mixing tank (3), the purifying agent stirring tank (4), the return water sedimentation tank (6), the second submersible pump (9), the flocculant stirring tank (8) and the belt filter press (5) are arranged to be distributed in a manner of returning reclaimed water by the pipeline pump (91), the first stop valve (92) and the second stop valve (93).

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