Drill rod cleaning wastewater treatment equipment

Abstract

The utility model discloses drilling rod cleaning wastewater treatment equipment, which relates to the technical field of wastewater treatment and comprises a bottom plate, a plurality of upright posts are fixedly connected to the outer wall of the top of the bottom plate, a wastewater tank is fixedly connected to the outer walls of the tops of the upright posts, and a magnetic seed pipe is fixedly connected to the inner wall of the wastewater tank. The hydrocyclone and the filter plate are connected in series, the magnetic separator is started while wastewater is conveyed, then the magnetic separator adsorbs and removes solid-phase particles through magnetic force when the wastewater passes through the magnetic separator, the removal rate can reach more than 95%, meanwhile, the solid-phase particles can stay in the collection box, and the solid-phase particles cannot be separated from the collection box. Then, the wastewater with solid-phase particles removed is continuously discharged into the serial hydrocyclone, and then the oil-water-solid three-phase separation of the wastewater is realized by the serial hydrocyclone, so that the filtering effect is improved, the oil and the solid particles in the wastewater can be effectively separated, the wastewater is prevented from containing a large amount of oil and solid particles, and the wastewater reaches the recycling standard.

Description

Technical Field

[0001] This utility model belongs to the field of wastewater treatment technology, and in particular relates to a wastewater treatment device for drill pipe cleaning. Background Technology

[0002] Drill pipe cleaning wastewater refers to the wastewater generated during the cleaning of used drill pipes in drilling operations such as oil, natural gas, and geological exploration. It mainly originates from drilling fluid, rock cuttings, oil, chemical additives, and other pollutants that adhere to the drill pipe surface and come into contact with during the drilling process. It is characterized by complex composition, high pollutant concentration, high suspended solids content, high emulsification degree, and the potential presence of toxic and harmful substances. Its typical features include complex pollutants, difficulty in treatment, and the potential for serious environmental pollution if not treated properly.

[0003] Drill pipe cleaning wastewater treatment equipment is mainly used to treat wastewater generated during the drilling process. Drilling operations use a large amount of cleaning fluid and water. Drill pipe cleaning wastewater usually contains mud, chemicals, and oil. If this wastewater is discharged directly, it will pollute the environment, so it needs to be treated.

[0004] When wastewater is reused, it contains a large amount of solid particles and oil, so it needs to be filtered and separated. However, existing equipment has poor filtration and separation effect, resulting in a large amount of oil and solid particles remaining, making it difficult for the wastewater to meet the reuse standards. Therefore, we propose a drill pipe cleaning wastewater treatment equipment. Utility Model Content

[0005] The purpose of this utility model is to provide a drill pipe cleaning wastewater treatment device. Through the filtration mechanism and the dosing mechanism, it solves the problem that when wastewater is reused, it contains a large number of solid particles and oil, so it needs to be filtered and separated. However, existing equipment has poor filtration and separation effect when filtering and separating wastewater, resulting in a large amount of oil and solid particles remaining, making it difficult for the wastewater to meet the reuse standards.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is a drill rod cleaning wastewater treatment device, including a base plate, a number of columns are fixedly connected to the top outer wall of the base plate, a wastewater tank is fixedly connected to the top outer wall of the columns, a magnetic seed tube is fixedly connected to the inner wall of the wastewater tank, a water inlet pipe is fixedly connected to the inner wall of the wastewater tank, and a filter mechanism is provided on the inner wall of the wastewater tank.

[0008] The filtration mechanism includes a water outlet pipe, the outer wall of which is fixedly connected to the inner wall of the wastewater tank. A water pump is fixedly connected to the outer wall of the water outlet pipe, and a water delivery pipe is fixedly connected to the output end of the water pump. A collection box is fixedly connected to the outer wall of the water delivery pipe, and a magnetic separator is fixedly connected to the bottom outer wall of the collection box. An ultrasonic demulsifier is fixedly connected to the inner wall of the wastewater tank, and a series hydrocyclone is fixedly connected to the outer wall of the water delivery pipe on the side away from the wastewater tank.

[0009] Furthermore, a fixing frame is fixedly connected to the outer wall of the series hydrocyclone, and the bottom outer wall of the fixing frame is fixedly connected to the outer wall of the base plate. A light oil tank is fixedly connected to the outer wall of the series hydrocyclone. A filter box is fixedly connected to the outer wall of the series hydrocyclone on the side away from the light oil tank. Several ceramic membrane folding plates are fixedly connected to the inner wall of the filter box. Several water supply pipes are fixedly connected to the outer wall of the ceramic membrane folding plates on the side away from the light oil tank. Several membrane sheets are fixedly connected to the inner wall of the filter box. A drain pipe is fixedly connected to the bottom inner wall of the filter box. The inner wall of the drain pipe is fixedly connected to the outer wall of the water supply pipe. A water tank is fixedly connected to the outer wall of the drain pipe. Several filter plates are fixedly connected to the inner wall of the water tank. A fine filter plate is fixedly connected to the inner wall of the water tank. Both the inner wall of the light oil tank and the inner wall of the water tank are fixedly connected to conveying pipes. A butterfly valve is rotatably connected to the inner wall of the conveying pipe. A dosing mechanism is provided on the inner wall of the wastewater tank.

[0010] Furthermore, the dosing mechanism includes an optical suspended solids concentration monitor, the outer wall of which is fixedly connected to the inner wall of the wastewater tank.

[0011] Furthermore, the inner wall of the magnetic seed tube is rotatably connected to several rotating shafts, and the outer wall of each rotating shaft is fixedly connected to a baffle.

[0012] Furthermore, a support frame is fixedly connected to the top outer wall of the wastewater tank, and a first motor is fixedly connected to the inner wall of the support frame.

[0013] Furthermore, the bottom output end of the first motor is fixedly connected to a bidirectional threaded rod via a coupling. The outer wall of the bidirectional threaded rod is threaded with several fixing plates, and the inner wall of the fixing plates is provided with circular grooves.

[0014] Furthermore, a support plate is fixedly connected to the top outer wall of the wastewater tank, the outer wall of the bidirectional threaded rod is rotatably connected to the inner wall of the support plate, a guide rod is fixedly connected to the inner wall of the support plate, and the outer wall of the guide rod is slidably connected to the inner wall of the circular groove.

[0015] Furthermore, a fixing rod is fixedly connected to the outer wall of the fixing plate near the magnetic seed tube, and a support block is fixedly connected to the outer wall of the rotating shaft. A sliding groove is provided on the inner wall of the support block, and the inner wall of the sliding groove is slidably connected to the outer wall of the fixing rod.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model incorporates a series hydrocyclone and a filter plate. During wastewater transport, a magnetic separator is activated simultaneously. As the wastewater passes through the magnetic separator, solid particles are removed by magnetic adsorption, achieving a removal rate of over 95%. The solid particles remain in the collection box. The wastewater, now free of solid particles, continues to flow into the series hydrocyclone, which separates the wastewater into oil, water, and solid phases. This enhances the filtration effect, effectively separating oil from solid particles in the wastewater, preventing the wastewater from containing large amounts of both and ensuring it meets reuse standards.

[0018] 2. This utility model incorporates a baffle and a fixing rod. When the bidirectional threaded rod rotates, it slides the fixing plate on the guide rod. When the fixing plate moves, it moves the fixing rod. Then, when the fixing rod moves, it slides in the groove. Simultaneously, the fixing rod presses against the support block, causing the support block to rotate. As the support block rotates, it drives the rotating shaft to rotate, which in turn drives the baffle to rotate. This allows for control of the magnetic seed dosage. The appropriate amount of magnetic seed can be added based on the real-time monitored concentration of suspended solids in the wastewater, avoiding the possibility of over- or under-dosing that may occur with manual dosing. This ensures that the magnetic seed fully combines with the pollutants in the wastewater.

[0019] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the fixing frame structure of this utility model;

[0023] Figure 3 This is a cross-sectional view of the filter box structure of this utility model;

[0024] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle;

[0025] Figure 5 This is a cross-sectional view of the wastewater tank structure of this utility model;

[0026] Figure 6 This is a sectional view of the baffle structure of this utility model;

[0027] Figure 7 This is a sectional view of the support frame structure of this utility model;

[0028] Figure 8 This utility model Figure 7 Enlarged view of section B in the middle.

[0029] The attached diagram lists the components represented by each number as follows:

[0030] 1. Base plate; 101. Column; 102. Wastewater tank; 103. Magnetic seed tube; 104. Inlet pipe; 2. Filtration mechanism; 201. Outlet pipe; 202. Water pump; 203. Water delivery pipe; 204. Collection box; 205. Magnetic separator; 206. Ultrasonic demulsifier; 207. Series hydrocyclone; 208. Fixing frame; 209. Light oil tank; 210. Filter box; 211. Ceramic membrane plate; 212. Membrane sheet; 213. Drain pipe; 214. Water tank 215. Filter plate; 216. Fine filter plate; 217. Delivery pipe; 218. Butterfly valve; 219. Water delivery pipe; 3. Dosing mechanism; 301. Optical suspended solids concentration monitor; 302. Rotating shaft; 303. Baffle; 304. Support frame; 305. First motor; 306. Bidirectional threaded rod; 307. Fixing plate; 308. Circular groove; 309. Support plate; 310. Guide rod; 311. Fixing rod; 312. Support block; 313. Slide groove. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figure 1-8As shown, this utility model is a drill pipe cleaning wastewater treatment device, including a base plate 1. Several columns 101 are fixedly connected to the top outer wall of the base plate 1. A wastewater tank 102 is fixedly connected to the top outer wall of the columns 101. A magnetic seed tube 103 is fixedly connected to the inner wall of the wastewater tank 102. A water inlet pipe 104 is fixedly connected to the inner wall of the wastewater tank 102. Magnetic seeds are stored through the magnetic seed tube 103, facilitating the addition of magnetic seeds to the wastewater by the operator. A filter mechanism 2 is provided on the inner wall of the wastewater tank 102. The filter mechanism 2 includes a water outlet pipe 201, the outer wall of which is fixedly connected to the inner wall of the wastewater tank 102. A water pump 202 is fixedly connected to the outer wall of the water outlet pipe 201. The operator starts the water pump 202, and the output end of the water pump 202 is fixedly connected to... A water supply pipe 203 is connected to the outer wall of the water supply pipe 203, and a collection box 204 is fixedly connected to the outer wall of the bottom of the collection box 204. A magnetic separator 205 is fixedly connected to the outer wall of the bottom of the collection box 204. When the operator starts the magnetic separator 205, solid particles are removed by magnetic adsorption, and the removal rate can reach more than 95%. An ultrasonic demulsifier 206 is fixedly connected to the inner wall of the wastewater tank 102. When the operator starts the ultrasonic demulsifier 206, the oil droplet interface film is destroyed by the cavitation effect, causing the emulsified oil particles to aggregate from 1μm to 50μm. With a stainless steel reactor, the demulsification efficiency can reach more than 90%. A series hydrocyclone 207 is fixedly connected to the outer wall of the side of the water supply pipe 203 away from the wastewater tank 102. A fixing frame 208 is fixedly connected to the outer wall of the series hydrocyclone 207. The bottom outer wall of 8 is fixedly connected to the outer wall of the bottom plate 1. Oil-water-solid three-phase separation is achieved through a series hydrocyclone 207. The recovery rate of the light phase oil layer is not less than 90%, and the water content is not greater than 10%. The heavy phase water phase enters subsequent treatment. A light oil tank 209 is fixedly connected to the outer wall of the series hydrocyclone 207. A filter box 210 is fixedly connected to the outer wall of the series hydrocyclone 207 away from the light oil tank 209. Several ceramic membrane baffles 211 are fixedly connected to the inner wall of the filter box 210. Several water supply pipes 219 are fixedly connected to the outer wall of the ceramic membrane baffles 211 away from the light oil tank 209. Several membranes 212 are fixedly connected to the inner wall of the filter box 210. Six flow channels are formed by five ceramic membrane baffles 211, with six sets of membranes 212 arranged in each channel. 2. To increase the membrane surface velocity, effectively reduce the concentration polarization coefficient, and simultaneously reduce the membrane flux decay rate, a drain pipe 213 is fixedly connected to the bottom inner wall of the filter box 210. The inner wall of the drain pipe 213 is fixedly connected to the outer wall of the water supply pipe 219. A water tank 214 is fixedly connected to the outer wall of the drain pipe 213. Several filter plates 215 are fixedly connected to the inner wall of the water tank 214, and a fine filter plate 216 is fixedly connected to the inner wall of the water tank 214. The wastewater is further filtered through the filter plates 215 and the fine filter plate 216, making the water clearer. A delivery pipe 217 is fixedly connected to the inner wall of both the light oil tank 209 and the inner wall of the water tank 214. A butterfly valve 218 is rotatably connected to the inner wall of the delivery pipe 217. A dosing mechanism 3 is provided on the inner wall of the wastewater tank 102.When butterfly valve 218 is open, it allows operators to easily control the discharge of water.

[0033] The dosing mechanism 3 includes an optical suspended solids concentration monitor 301, model Q46 / 88, which uses optical backscattering technology to monitor suspended solids in various water and wastewater applications in real time. The sensor is submersible and can be immersed in process tanks or effluent channels for measurement. It uses infrared light, has a long sensor life, and can minimize the influence of sample color changes on the measurement. The outer wall of the optical suspended solids concentration monitor 301 is fixedly connected to the inner wall of the wastewater tank 102. Several rotating shafts 302 are rotatably connected to the inner wall of the magnetic seed tube 103. Baffles 303 are fixedly connected to the outer wall of the rotating shafts 302, facilitating control when the baffles 303 rotate. The addition of magnetic seeds prevents the content of magnetic seeds in the wastewater from being too low. A support frame 304 is fixedly connected to the top outer wall of the wastewater tank 102. A first motor 305 is fixedly connected to the inner wall of the support frame 304. The first motor 305 is started by an optical suspended solids concentration monitor 301. A bidirectional threaded rod 306 is fixedly connected to the bottom output end of the first motor 305 through a coupling. Several fixing plates 307 are threadedly connected to the outer wall of the bidirectional threaded rod 306. The inner wall of the fixing plate 307 is provided with a circular groove 308. After the first motor 305 is started, it will rotate the bidirectional threaded rod 306. Then the bidirectional threaded rod 306 moves the fixing plate 307, realizing the kinetic energy transmission between the parts.

[0034] A support plate 309 is fixedly connected to the top outer wall of the wastewater tank 102. The outer wall of the bidirectional threaded rod 306 is rotatably connected to the inner wall of the support plate 309. A guide rod 310 is fixedly connected to the inner wall of the support plate 309. When the fixed plate 307 slides on the guide rod 310, the fixed plate 307 will not swing, keeping the fixed plate 307 in a straight line. The outer wall of the guide rod 310 is slidably connected to the inner wall of the circular groove 308. A fixing rod is fixedly connected to the outer wall of the end of the fixed plate 307 near the magnetic seed tube 103. The rod 311 moves with the fixed plate 307, thus realizing the kinetic energy transfer between the parts. The outer wall of the rotating shaft 302 is fixedly connected to the support block 312. The inner wall of the support block 312 is provided with a sliding groove 313. The inner wall of the sliding groove 313 is slidably connected to the outer wall of the fixed rod 311. When the fixed rod 311 moves, it slides in the sliding groove 313. At the same time, the fixed rod 311 will press the support block 312, causing the support block 312 to rotate, thus realizing the kinetic energy transfer between the parts.

[0035] One specific application of this embodiment is:

[0036] When staff need to use the equipment, they first place the magnetic seeds into the magnetic seed tube 103, then add the wastewater into the wastewater tank 102 through the wastewater inlet pipe 104, and then start the optical suspended solids concentration monitor 301. After the optical suspended solids concentration monitor 301 is started, it will monitor the wastewater. When the suspended solids content in the wastewater is high, the first motor 305 will be started. After the first motor 305 is started, it will drive the bidirectional threaded rod 306 to rotate. When the bidirectional threaded rod 306 rotates, it will drive the fixed plate 307 to slide on the guide rod 310. When the fixed plate 307 moves, it will drive the fixed rod 311 to move. Then, when the fixed rod 311 moves, it will slide in the slide groove 313. At the same time, the fixed rod... 311 will squeeze the support block 312, causing it to rotate. As the support block 312 rotates, it drives the rotating shaft 302 to rotate, which in turn drives the baffle 303 to rotate. The rotation of the baffle 303 opens the magnetic seed tube 103, allowing the magnetic seed to automatically fall into the wastewater. The opening between the two baffles 303 controls the flow rate of the magnetic seed, facilitating the addition of an appropriate amount to the wastewater. When the suspended solids concentration in the wastewater is deemed appropriate, the optical suspended solids concentration monitor 301 will reverse the first motor 305. This reversal of the first motor 305 closes the baffle 303, preventing further addition of the magnetic seed. After addition, the magnetic seed will mix with impurities. Then, water pump 202 is started. After water pump 202 starts, wastewater in wastewater tank 102 is drawn out through water outlet pipe 201 and then transported to water delivery pipe 203. At the same time as the wastewater is transported, magnetic separator 205 is started. When the wastewater passes through magnetic separator 205, the magnetic separator removes solid particles by magnetic adsorption, with a removal rate of over 95%. At the same time, the solid particles will remain in collection box 204. Then, the wastewater with solid particles removed will continue to be discharged into series hydrocyclone 207. Then, series hydrocyclone 207 separates the wastewater into oil, water and solid phases. The recovery rate of light phase oil layer is not less than 90%, and the water content is not greater than 10%. Heavy phase water phase enters subsequent treatment, while light phase oil... The wastewater will be discharged into the light oil tank 209, and then into the filter box 210. At the same time, the wastewater in the filter box 210 will pass through the ceramic membrane baffle 211 and the membrane 212. The membrane 212 increases the flow velocity on the membrane surface, effectively reducing the concentration polarization coefficient and the membrane flux decay rate. Then, the water filtered by the ceramic membrane baffle 211 will flow into the water supply pipe 219, and then from the water supply pipe 219 into the drain pipe 213. Finally, the water will flow out of the water tank 214 from the drain pipe 213. After the water flows into the water tank 214, it will pass through the filter plate 215 and the fine filter plate 216. The water will be filtered multiple times by the filter plate 215 and the fine filter plate 216 to make the water meet the reuse standard.

[0037] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0038] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A drilling pipe cleaning wastewater treatment apparatus comprising a base plate (1), characterized in that: The top outer wall of the base plate (1) is fixedly connected to several columns (101), the top outer wall of the columns (101) is fixedly connected to a wastewater tank (102), the inner wall of the wastewater tank (102) is fixedly connected to a magnetic seed tube (103), the inner wall of the wastewater tank (102) is fixedly connected to a water inlet pipe (104), and the inner wall of the wastewater tank (102) is provided with a filter mechanism (2). The filtration mechanism (2) includes a water outlet pipe (201), the outer wall of which is fixedly connected to the inner wall of the wastewater tank (102), a water pump (202) is fixedly connected to the outer wall of the water outlet pipe (201), a water delivery pipe (203) is fixedly connected to the output end of the water pump (202), a collection box (204) is fixedly connected to the outer wall of the water delivery pipe (203), a magnetic separator (205) is fixedly connected to the bottom outer wall of the collection box (204), an ultrasonic demulsifier (206) is fixedly connected to the inner wall of the wastewater tank (102), and a series hydrocyclone (207) is fixedly connected to the outer wall of the water delivery pipe (203) on the side away from the wastewater tank (102).

2. A drill pipe wash wastewater treatment apparatus according to claim 1, characterised in that, A fixing frame (208) is fixedly connected to the outer wall of the series hydrocyclone (207). The bottom outer wall of the fixing frame (208) is fixedly connected to the outer wall of the base plate (1). A light oil tank (209) is fixedly connected to the outer wall of the series hydrocyclone (207). A filter box (210) is fixedly connected to the outer wall of the series hydrocyclone (207) away from the light oil tank (209). A number of ceramic membrane folding plates (211) are fixedly connected to the inner wall of the filter box (210). A number of water supply pipes (219) are fixedly connected to the outer wall of the ceramic membrane folding plate (211) away from the light oil tank (209). A number of membrane sheets (212) are fixedly connected to the inner wall of the filter box (210). The bottom inner wall of the filter box (210) is fixedly connected to a drain pipe (213). The inner wall of the drain pipe (213) is fixedly connected to the outer wall of the water supply pipe (219). The outer wall of the drain pipe (213) is fixedly connected to a water tank (214). The inner wall of the water tank (214) is fixedly connected to several filter plates (215). The inner wall of the water tank (214) is fixedly connected to a fine filter plate (216). The inner wall of the light oil tank (209) and the inner wall of the water tank (214) are both fixedly connected to a conveying pipe (217). The inner wall of the conveying pipe (217) is rotatably connected to a butterfly valve (218). The inner wall of the wastewater tank (102) is provided with a dosing mechanism (3).

3. A drill pipe wash water treatment apparatus according to claim 2, characterised in that, The dosing mechanism (3) includes an optical suspended solids concentration monitor (301), the outer wall of which is fixedly connected to the inner wall of the wastewater tank (102).

4. A drill pipe wash water treatment apparatus according to claim 3, characterised in that, The inner wall of the magnetic seed tube (103) is rotatably connected to several rotating shafts (302), and the outer wall of the rotating shafts (302) is fixedly connected to baffles (303).

5. A drill pipe wash water treatment apparatus according to claim 4, characterised in that, The top outer wall of the wastewater tank (102) is fixedly connected to a support frame (304), and the inner wall of the support frame (304) is fixedly connected to a first motor (305).

6. A drill pipe wash water treatment apparatus according to claim 5, characterised in that, The bottom output end of the first motor (305) is fixedly connected to a bidirectional threaded rod (306) via a coupling. The outer wall of the bidirectional threaded rod (306) is threaded with several fixing plates (307), and the inner wall of the fixing plate (307) is provided with a circular groove (308).

7. A drill pipe wash water treatment apparatus according to claim 6, characterised in that, The top outer wall of the wastewater tank (102) is fixedly connected to a support plate (309). The outer wall of the bidirectional threaded rod (306) is rotatably connected to the inner wall of the support plate (309). The inner wall of the support plate (309) is fixedly connected to a guide rod (310). The outer wall of the guide rod (310) is slidably connected to the inner wall of the circular groove (308).

8. A drill pipe wash water treatment apparatus according to claim 7, characterised in that, A fixing rod (311) is fixedly connected to the outer wall of the fixing plate (307) near the magnetic seed tube (103). A support block (312) is fixedly connected to the outer wall of the rotating shaft (302). A sliding groove (313) is provided on the inner wall of the support block (312). The inner wall of the sliding groove (313) is slidably connected to the outer wall of the fixing rod (311).

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