Sludge lagoon cleaning device

Abstract

The application discloses a sludge sewage pool cleaning device, which comprises a caterpillar auger drill vehicle, the caterpillar auger drill vehicle is connected with a working module through a drill rod, the working module is a stirring head or an oil sludge conveying pump trailer, and the sludge sewage pool cleaning device further comprises a hydraulic power system for controlling the caterpillar auger drill vehicle and the oil sludge conveying pump trailer; an oil sludge conveying pump is arranged on the oil sludge conveying pump trailer, and the collected sludge-water mixture is conveyed to a collecting device through a conveying hose connected with an output end of the oil sludge conveying pump, wherein the power of the oil sludge conveying pump is provided by the hydraulic power system. The sludge sewage pool cleaning device has the advantages that a power unit does not need to be separately arranged for the oil sludge conveying pump, the sludge sewage pool can be safely and effectively cleaned in all directions, no extra waste is generated in the cleaning process, and the subsequent treatment cost is not increased, so that the oil field production unit can reduce cost and increase benefit.

Description

Technical Field

[0001] This invention belongs to the technical field of oilfield production equipment, specifically relating to a sludge and sewage pond cleaning device. Background Technology

[0002] Cleaning sludge and wastewater ponds at oilfield joint stations has always been a challenge for oilfield production, especially with increasingly stringent environmental regulations. Currently, cleaning is primarily done manually, but these ponds contain large amounts of associated petroleum gases, which are toxic, flammable, and explosive, causing significant inconvenience and safety hazards, resulting in low efficiency and high labor intensity for workers. Current vacuum suction equipment, combined with high-pressure water jets, uses large amounts of water, leading to substantial additional costs for sludge treatment. Furthermore, no equipment currently exists that can effectively and efficiently clean sludge and wastewater ponds without generating excessive waste. Summary of the Invention

[0003] The purpose of this invention is to provide a sludge and sewage tank cleaning device that solves the problem that existing technologies cannot safely and effectively clean any corner of the sludge and sewage tank, and may generate excess waste during the cleaning process, thereby increasing the cost of sludge treatment in the later stages.

[0004] The technical solution adopted in this invention is a sludge and sewage tank cleaning device, including a tracked down-the-hole drill rig, which is connected to a working module via a drill rod. The working module is a mixing head or a sludge conveying pump trailer. The device also includes a hydraulic power system for controlling the tracked down-the-hole drill rig and the sludge conveying pump trailer.

[0005] The invention is further characterized by:

[0006] A fixed drill rod connector is fixedly connected to the root of the mixing head, and the fixed drill rod connector is connected to the end of the drill rod of the tracked down-the-hole drill rig.

[0007] The sludge transport pump trailer includes a connecting module, a collecting module, a sludge transport pump, and a transport hose. The connecting module and the collecting module are connected to the frame of the sludge transport pump trailer according to the power transmission direction. The sludge transport pump is connected to the collecting module. The transport hose is fixed to the drill rod of the tracked down-the-hole drill rig. One end of the transport hose is connected to the output end of the sludge transport pump through a thread, and the other end is connected to the collecting device.

[0008] The hydraulic power system includes an oil inlet unit, an oil return unit, and an overflow unit.

[0009] The oil inlet unit includes a valve body that controls the forward and reverse rotation of the drill pipe. An oil inlet pipe is installed on the valve body. The oil inlet end of the oil inlet pipe is connected to a high-pressure three-way ball valve a. One port of the high-pressure three-way ball valve a is connected to the oil inlet of the valve body, and the other port is connected to the hydraulic oil supply line of the sludge delivery pump through a hydraulic quick connector a.

[0010] The oil return unit includes a valve body that controls the forward and reverse rotation of the drill pipe. An oil return pipe is installed on the valve body. The oil inlet end of the oil return pipe is connected to a high-pressure three-way ball valve b. One port of the high-pressure three-way ball valve b is connected to the oil return of the valve body, and the other port is connected to the hydraulic oil return line of the sludge delivery pump through a hydraulic quick connector b.

[0011] The overflow unit includes a valve body that controls the forward and reverse rotation of the drill pipe. The overflow port of the valve body is connected to a tee connector. One interface of the tee connector is connected to the original overflow pipe, and the other interface is connected to the hydraulic overflow line of the sludge delivery pump through a hydraulic quick connector C.

[0012] The connection module includes a movable drill rod connector, which is movably connected to the ribs on both sides of the vehicle frame. The lower ends of the ribs are fixed to the vehicle frame, and the other end of the movable drill rod connector is connected to the end of the drill rod of the tracked down-the-hole drilling rig.

[0013] The collection module includes an arc-shaped pallet, which is fixed to the underside of the sludge transport pump trailer frame. The arc surface is concave and matches the outer contour of the sludge transport pump placed on the arc-shaped pallet. Mounting plates and buckets are fixed to the front and rear sides of the rear frame of the sludge transport pump trailer, respectively. The input end of the sludge transport pump is fixed to the mounting plate. Casters are installed at the bottom of the sludge transport pump trailer frame.

[0014] The beneficial effects of this invention are:

[0015] (1) The sludge and sewage tank cleaning device of the present invention can achieve safe, fast and all-round cleaning of sludge and sewage tanks without the need for manual entry into the tank. This ensures the personal safety of workers while reducing the labor intensity of cleaning workers.

[0016] (2) The power of the sludge conveying pump is provided by the hydraulic system modified from the tracked down-the-hole drill, thereby reducing the need to configure a separate power unit for the sludge conveying pump and making the sludge and sewage tank cleaning device more economical.

[0017] (3) The sludge and sewage cleaning device does not require additional high-pressure water to break up the deposited sludge and oil during the cleaning process, and does not increase the volume of the cleaned material in the later stage of treatment, which greatly reduces the transportation and treatment costs of the cleaned material, thus reducing costs and increasing efficiency for oilfield production units. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the sludge and sewage tank cleaning device of the present invention in a stirring state according to one embodiment;

[0019] Figure 2 This is a schematic diagram of the sludge and sewage tank cleaning device of the present invention in the collection state according to one embodiment;

[0020] Figure 3 yes Figure 1A magnified view of the connection between the drill rod end and the mixing head at point I of the tracked down-the-hole drill rig;

[0021] Figure 4 yes Figure 2 A partial enlarged view of the connection between the drill rod end of the tracked down-the-hole drill rig and the mud transfer pump trailer at point II;

[0022] Figure 5 This is a schematic diagram of the structure of the stirring head in the sludge and sewage tank cleaning device of the present invention;

[0023] Figure 6 This is a schematic diagram of the structure of the sludge and sewage tank cleaning device oil sludge conveying pump trailer of the present invention;

[0024] Figure 7 These are schematic diagrams of the oil inlet unit and overflow unit of the hydraulic power system of the sludge and sewage tank cleaning device of the present invention.

[0025] Figure 8 This is a schematic diagram of the return oil unit of the hydraulic power system of the sludge and sewage tank cleaning device of the present invention.

[0026] In the diagram, 1. Tracked down-the-hole drill rig; 101. Valve body; 102. High-pressure three-way ball valve a; 103. Oil inlet pipe; 104. Hydraulic quick coupling a; 105. Hydraulic oil supply line; 106. Original overflow pipe; 107. Three-way connector; 108. Hydraulic quick coupling c; 109. Hydraulic overflow line; 110. High-pressure three-way ball valve b; 111. Oil return pipe; 112. Hydraulic quick coupling b; 113. Hydraulic oil return line; 2. Mixing head; 201. Fixed drill rod connector; 3. Sludge conveying pump trailer; 301. Bucket; 302. Movable drill rod connector; 303. Caster wheel; 304. Mounting plate; 305. Arc-shaped support plate; 4. Sludge conveying pump; 5. Conveying hose. Detailed Implementation

[0027] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0028] One embodiment of the sludge and wastewater pond cleaning device of the present invention has the following structure: Figure 1 , 2 As shown, the system includes a tracked down-the-hole drill rig 1. The tracked down-the-hole drill rig 1 is connected to a working module via a drill rod. During the mixing stage, the connected working module is as follows: Figure 3 The stirring head 2 shown is connected to the working module as follows during the collection stage: Figure 4 The sludge transfer pump trailer 3 shown.

[0029] The structure of the stirring head 2 is as follows: Figure 5 As shown, a fixed drill rod connector is welded to the root of the mixing head 2. The fixed drill rod connector is connected to the end of the drill rod of the tracked down-the-hole drilling rig through internal and external threaded connections.

[0030] The structure of the sludge transfer pump trailer 3 is as follows: Figure 6 As shown, the sludge transport pump trailer 3 includes a connecting module, a collection module, a sludge transport pump 4, and a transport hose 5. The connecting module and the collection module are connected to the frame of the sludge transport pump trailer 3 respectively according to the power transmission direction. The sludge transport pump 4 is connected to the collection module by bolts. The transport hose 5 is fixed to the drill rod of the tracked down-the-hole drill rig 1 by a buckle. One end of the transport hose 5 is connected to the output end of the sludge transport pump 4 by a thread, and the other end is connected to the collection device.

[0031] The connection module of the sludge transport pump 3 includes a movable drill rod connector 302. One end of the movable drill rod connector 302 is connected to a set of two ribs protruding on both sides of the frame through a movable connection via a pin and a pin hole. The lower ends of the two ribs are fixed to the corresponding positions on the frame by bolts. The other end of the movable drill rod connector 302 is connected to the end of the drill rod of the tracked down-the-hole drill 1 through internal and external threads. The collection module of the sludge transport pump 3 includes several arc-shaped support plates 305. The arc-shaped support plates 305 are welded to the lower part of the frame of the sludge transport pump trailer 3. The arc surface is concave and matches the outer contour of the sludge transport pump 4 placed on the arc-shaped support plate. Mounting plates 304 and buckets 301 are welded to the front and rear sides of the rear frame of the sludge transport pump trailer 3, respectively. The input end of the sludge transport pump 4 is fixed to the mounting plate 304 by bolts. A set of two swivel wheels 303 are installed at the bottom of the frame on both sides of the sludge transport pump trailer 3, for a total of four swivel wheels 303.

[0032] In this invention, the power for both the tracked down-the-hole drill rig 1 and the mud transfer pump trailer 3 comes from a hydraulic power system installed on the tracked down-the-hole drill rig. This hydraulic power system includes an oil inlet unit, an oil return unit, and an overflow unit, and is obtained through modification of an existing hydraulic power system. Figure 7 , 8 As shown:

[0033] (1) The modification of the oil inlet unit is to add a high-pressure three-way ball valve a 102 to the oil inlet end of the oil inlet pipe 103 of the valve body 101 that controls the forward and reverse rotation of the drill rod on the tracked down-the-hole drilling rig 1. One port of the high-pressure three-way ball valve a 102 is connected to the oil inlet of the valve body 101, and the other port is connected to the hydraulic oil supply line 105 of the sludge conveying pump 4 through the hydraulic quick connector a 104. The hydraulic oil circuit can be switched by the high-pressure three-way ball valve a 102, which can provide hydraulic power to the sludge conveying pump 4 installed on the sludge conveying pump trailer 3 without affecting its own function.

[0034] (2) The modification of the oil return unit is to add a high-pressure three-way ball valve b 110 to the oil inlet end of the oil return pipe 111 of the valve body 101 that controls the forward and reverse rotation of the drill rod of the tracked down-the-hole drilling rig 1. One port of the high-pressure three-way ball valve b 110 is connected to the oil return of the valve body 101, and the other port is connected to the hydraulic oil return line 113 of the sludge conveying pump 4 through the hydraulic quick connector b 112. The hydraulic oil circuit can be switched by the high-pressure three-way ball valve b 110, so as to realize the hydraulic oil return of the sludge conveying pump 4.

[0035] (3) The modification of the overflow unit is to add a three-way connector 107 to the overflow port of the valve body 101 that controls the forward and reverse rotation of the drill rod of the tracked down-the-hole drilling rig 1. One interface of the three-way connector 107 is connected to the original overflow pipe 106, and the other interface is connected to the hydraulic overflow pipeline 109 of the sludge conveying pump 4 through the hydraulic quick connector c 108.

[0036] The functions of the main components in the wastewater and sludge cleaning device of the present invention are as follows:

[0037] (1) During the mixing stage, the end of the drill rod of the tracked down-the-hole drill 1 is connected to the mixing head 2 through the fixed drill rod connector 201. After the tracked down-the-hole drill 1 is started, the drill rod and the mixing head 2 rotate synchronously, so that the mixing head 2 mixes at the bottom of the sludge sewage tank, thereby realizing the mixing of the sludge deposited at the bottom of the sludge sewage tank with the upper sewage in the sludge sewage tank to form a mud-water mixture with a certain fluidity.

[0038] (2) During the collection stage, the drill rod end of the tracked down-the-hole drill rig 1 is connected to the sludge transport pump trailer 3 via the movable drill rod connector 302. After starting the tracked down-the-hole drill rig 1, the sludge transport pump trailer 3 is sent to the designated location of the sludge and sewage pool. Then the bucket 301 on the sludge transport pump trailer 3 collects the mud-water mixture. Finally, the sludge transport pump 4 is started to pump the mud-water mixture in the bucket 301 to the transport hose 5 and lift it to the ground collection device.

[0039] The working process of the wastewater and sludge cleaning device of this invention is as follows: Upon arrival at the oilfield production site, the sludge and wastewater tank device is first arranged by placing the tracked down-the-hole drill rig 1, the mixing head 2, the sludge transport pump trailer 3, the sludge transport pump 4, and the transport hose 5 in suitable positions. Next, the mixing head 2 is connected to the front end of the drill rod of the tracked down-the-hole drill rig 1 via a fixed drill rod connector 201. The tracked down-the-hole drill rig 1 is started, and the mixing head 2 is first extended to the bottom of the sludge and wastewater tank and then rotated to mix, causing the deposited sludge at the bottom of the sludge and wastewater tank to mix with the upper layer of wastewater to form a mud-water mixture with a certain degree of fluidity. After the mixing stage is completed, the mixing head 2 is retracted and disassembled. Finally, the transport hose 5 is fixed to the tracked down-the-hole drill rig 1 using several clips. On the drill rod body, one end of the conveying hose 5 in the sludge and sewage tank is connected to the output end of the sludge conveying pump 4 through internal and external threads, and the other end is connected to the collection equipment. The sludge conveying pump 4 is fixed to the mounting plate 304 of the sludge conveying pump trailer 3 with bolts. The sludge conveying pump trailer 3 is connected to the front end of the drill rod of the tracked down-the-hole drill 1 through the movable drill rod connector 302, and the hydraulic lines of the sludge conveying pump 4 and the tracked down-the-hole drill 1 are connected. Finally, the tracked down-the-hole drill 1 is started first to send the sludge conveying pump trailer 3 to the designated position in the sludge and sewage tank, and then the sludge conveying pump 4 is started to pump the mud-water mixture collected by the bucket 301 into the conveying hose 5 and lift it to the ground collection equipment, thereby completing the all-round cleaning of the sludge and sewage tank.

Claims

1. A sludge lagoon cleaning apparatus, characterized by, It includes a tracked down-the-hole drill rig (1), which is connected to a working module via a drill rod. The working module is a mixing head (2) or a sludge transport pump trailer (3). It also includes a hydraulic power system for controlling the tracked down-the-hole drill rig (1) and the sludge transport pump trailer (3). The root of the stirring head (2) is fixedly connected to a fixed drill rod connector (201), which is connected to the end of the drill rod of the tracked down-the-hole drill rig (1). The sludge transport pump trailer (3) includes a connecting module, a collecting module, a sludge transport pump (4) and a transport hose (5). The connecting module and the collecting module are connected to the frame of the sludge transport pump trailer (3) respectively according to the power transmission direction. The sludge transport pump (4) is connected to the collecting module. The transport hose (5) is fixed on the drill rod of the tracked down-the-hole drill rig (1). One end of the transport hose (5) is connected to the output end of the sludge transport pump (4), and the other end is connected to the collecting device. The hydraulic power system includes an oil inlet unit, an oil return unit, and an overflow unit; The connection module includes a movable drill rod connector (302), which is movably connected to the ribs on both sides of the frame. The lower ends of the ribs are fixed on the frame, and the other end of the movable drill rod connector (302) is connected to the drill rod end of the tracked down-the-hole drilling rig (1). The collection module includes an arc-shaped support plate (305), which is fixedly attached to the lower part of the frame of the sludge transport pump trailer (3). The arc surface is concave and matches the outer contour of the sludge transport pump (4) placed above the arc-shaped support plate. Mounting plates (304) and buckets (301) are fixedly attached to the front and rear sides of the rear frame of the sludge transport pump trailer (3), respectively. The input end of the sludge transport pump (4) is fixed on the mounting plate (304). Universal wheels (303) are installed at the bottom of the frame of the sludge transport pump trailer (3).

2. The device of claim 1, wherein: The oil inlet unit includes a valve body (101) that controls the forward and reverse rotation of the drill pipe. An oil inlet pipe (103) is installed on the valve body (101). The oil inlet end of the oil inlet pipe (103) is connected to a high-pressure three-way ball valve a (102). One port of the high-pressure three-way ball valve a (102) is connected to the oil inlet of the valve body (101), and the other port is connected to the hydraulic oil supply line (105) of the sludge conveying pump (4) through a hydraulic quick connector a (104).

3. The device of claim 1, wherein: The oil return unit includes a valve body (101) that controls the forward and reverse rotation of the drill pipe. An oil return pipe (111) is installed on the valve body (101). The oil inlet end of the oil return pipe (111) is connected to a high-pressure three-way ball valve b (110). One port of the high-pressure three-way ball valve b (110) is connected to the oil return of the valve body (101), and the other port is connected to the hydraulic oil return line (113) of the sludge conveying pump (4) through a hydraulic quick connector b (112).

4. The sludge and sewage tank cleaning device according to claim 1, characterized in that: The overflow unit includes a valve body (101) that controls the forward and reverse rotation of the drill pipe. The overflow port of the valve body (101) is connected to a three-way connector (107). One interface of the three-way connector (107) is connected to the original overflow pipe (106), and the other interface is connected to the hydraulic overflow line (109) of the sludge conveying pump (4) through a hydraulic quick connector c (108).

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