Adjustable reaction kettle for oil well cement fluid loss agent

Abstract

The utility model discloses an adjustable reaction kettle for an oil well cement fluid loss agent. A device body comprises a reaction kettle body, the top of the reaction kettle body is connected with a connecting pipe in a penetrating mode, the top of the connecting pipe is movably connected with a top cover, the inner wall of the top cover is rotationally connected with a second rotary knob, and the top end of the second rotary knob penetrates out of the top cover; a second screw rod is rotationally connected to the middle of the bottom of the top cover, a limiting column is fixedly connected to the position, located on the outer side of the second screw rod, of the bottom of the top cover, and the outer wall of the limiting column is sleeved with a sliding sleeve. Connecting rods are rotationally connected to the upper end and the lower end of the periphery of the outer wall of the sliding sleeve, a supporting plate is rotationally connected to the other end of the connecting rod on each side, sealing rings are movably connected to the outer walls of the four supporting plates, and the sliding sleeve can be driven to move on the surface of the limiting column by rotating a second rotary knob, so that the rotating angle of the connecting rods is changed; and the sealing ring in the opening state is tightly attached to the inner wall of the connecting pipe, and the sealing performance of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reactors, in particular to an adjustable reactor for oil well cement fluid loss reducer. Background Art

[0002] The reactor for oil well cement fluid loss reducer is a kind of equipment specially used for producing oil well cement fluid loss reducer. It has excellent reaction performance and thermal insulation performance. It can not only ensure the quality and performance of fluid loss reducer by precisely controlling the reaction conditions, but also has excellent thermal insulation design to reduce heat loss and improve energy efficiency. At the same time, the stirring device and control system that may be equipped make the reaction process more uniform and efficient, realizing automated production.

[0003] A Chinese patent discloses a reactor with a heat preservation function for producing an oil well cement fluid loss reducer (publication number: CN216704316U). When the device is in use, the operator mounts the card block inside the feed port, and then rotates the shaft to drive the rotating block to rotate and then insert it into the card block, so that the card block and the fixed card are mounted inside the feed port, and then the sealing cover and the feed port are tightly connected, which plays a role in enhancing the sealing effect of the feed port. However, the device still has the following defects:

[0004] The steps for disassembling and assembling the sealing cover are relatively complicated, and the rotating blocks need to be operated one by one. When the sealing cover is frequently disassembled and assembled, there may be wear between the sealing cover and the feed port, thereby affecting the sealing performance. In addition, the steps for installing and fixing the reactor in the above device are relatively complicated, and therefore need to be improved. Utility Model Content

[0005] The technical problems to be solved by the utility model are as follows:

[0006] The steps for disassembling and assembling the sealing cover are relatively complicated, and the rotating blocks need to be operated one by one. When the sealing cover is frequently disassembled and assembled, wear may occur between the sealing cover and the feed port, thereby affecting the sealing performance. In addition, the steps for installing and fixing the reactor in the above device are relatively complicated.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] An adjustable reaction kettle for oil well cement fluid loss reducer comprises a lifting mechanism, wherein a device body is arranged in the middle of the lifting mechanism;

[0009] Also includes:

[0010] The device body comprises a reactor, the top of which is connected with a connecting pipe, the top of which is movably connected with a top cover, the inner wall of which is rotatably connected with a knob 2, and the top end of the knob 2 passes through the top cover;

[0011] The bottom middle of the top cover is rotatably connected with a screw rod 2, the top end of the screw rod 2 penetrates the top cover and is fixedly connected with the knob 2, the bottom of the top cover and the outer side of the screw rod 2 are fixedly connected with a limiting column, and the outer wall of the limiting column is provided with a sliding sleeve;

[0012] Among them, the upper and lower ends of the outer wall of the sliding sleeve are rotatably connected with connecting rods, the other end of the connecting rod on each side is rotatably connected with a support plate, the outer walls of the four support plates are movably connected with sealing rings, and the outer side of the sealing ring is movably connected to the inner wall of the connecting pipe.

[0013] As a further solution of the utility model: the outer wall threaded sleeve of the second screw rod is provided with a lifting sleeve, the outer wall of the lifting sleeve is slidably connected to the inner side of the limiting column, and the two ends of the outer wall of the lifting sleeve pass through the limiting column and are fixedly connected to the sliding sleeve.

[0014] As a further solution of the utility model: limiting grooves are arranged around the bottom of the top cover, and the inner walls of the four limiting grooves are slidably connected to the tops of the four support plates respectively.

[0015] As a further solution of the utility model: a mounting ring is fixedly connected to the outer wall of the lower end of the reactor, a threaded hole is opened in the middle of the mounting ring, and balls are movably connected to the inner walls on both sides of the mounting ring, and one end of the ball passes through the mounting ring.

[0016] As a further solution of the utility model: the inner wall of the threaded hole is threadedly connected with a screw rod 1, the top side wall of the screw rod 1 is rotatably connected with a pressure plate, and the top of the screw rod 1 passes through the pressure plate and is fixedly connected with a knob 1.

[0017] As a further solution of the utility model: both ends of the bottom of the pressure plate are fixedly connected with extrusion blocks, the bottom of the extrusion block is fixedly connected with a spring, the bottom of the spring is fixedly connected to the inner wall of the mounting ring, the extrusion block is located on the side close to the ball and is set as an inclined surface, and the extrusion block is located on the inclined surface side and is movably connected to the ball.

[0018] As a further solution of the utility model: the lifting mechanism includes a base, a hydraulic rod is fixedly connected to the middle of the top of the base, the piston end of the hydraulic rod is facing upward and fixedly connected to a support frame, the bottom of the inner wall of the support frame is movably connected to the mounting ring, and slots are opened on both sides of the inner wall of the support frame, and the inner walls of the slots on both sides are respectively engaged and connected with two ball bearings.

[0019] As a further solution of the utility model: both sides of the top of the base are fixedly connected with support frames, the inner wall of the support frame is slidably connected with a connecting block, and one side of the outer wall of the connecting block is fixedly connected to the support frame.

[0020] Beneficial effects of the utility model:

[0021] (1) The utility model can drive the sliding sleeve to move on the surface of the limit column by turning the second knob, thereby changing the rotation angle of the connecting rod, thereby pushing the support plate to open the sealing ring. The sealing ring in the opened state is tightly attached to the inner wall of the connecting pipe, thereby blocking the gap between the top cover and the connecting pipe, and improving the airtightness of the device.

[0022] (2) A mounting ring is arranged on the outside of the reactor, and a support frame driven up and down by a hydraulic rod carries the mounting ring. When the mounting ring is connected to the inside of the support frame, a knob is turned to control the ball bearing in the mounting ring to be inserted into the slot of the support frame, thereby completing the fixation. The operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings.

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model;

[0026] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure of region A;

[0027] Figure 4 It is a schematic cross-sectional view of the interior of the connecting pipe of the reactor in the utility model;

[0028] Figure 5 It is a schematic cross-sectional structural diagram of the top cover in the utility model;

[0029] Figure 6 It is a schematic diagram of the structure of the top cover in the utility model when viewed from above.

[0030] In the figure: 1. lifting mechanism; 101. base; 102. support frame; 103. connecting block; 104. support frame; 105. slot; 106. hydraulic rod; 2. device body; 201. reactor; 202. mounting ring; 203. threaded hole; 204. ball bearing; 205. pressure plate; 206. knob 1; 207. screw 1; 208. extrusion block; 209. spring; 210. knob 2; 211. screw 2; 212. limiting column; 213. lifting sleeve; 214. sliding sleeve; 215. connecting rod; 216. support plate; 217. sealing ring; 218. limiting groove; 219. top cover. DETAILED DESCRIPTION

[0031] 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 of 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.

[0032] like Figure 1-6 As shown, an adjustable reactor for oil well cement fluid loss reducing agent includes a lifting mechanism 1, and a device body 2 is arranged in the middle of the lifting mechanism 1; the device body 2 includes a reactor 201, a connecting pipe is connected to the top of the reactor 201, a top cover 219 is movably connected to the top of the connecting pipe, a knob 210 is rotatably connected to the inner wall of the top cover 219, and the top end of the knob 210 passes through the top cover 219; a screw 211 is rotatably connected to the middle of the bottom of the top cover 219, and the screw 211 is rotatably connected to the inner wall of the top cover 219. The top of the top cover 219 is inserted into the top cover 219 and is fixedly connected to the second knob 210. The bottom of the top cover 219 is located outside the second screw rod 211 and is fixedly connected to the limit column 212. The outer wall of the limit column 212 is sleeved with a sliding sleeve 214. Among them, the upper and lower ends of the outer wall of the sliding sleeve 214 are rotatably connected to the connecting rod 215. The other end of the connecting rod 215 on each side is rotatably connected to the support plate 216. The outer walls of the four support plates 216 are movably connected to the sealing ring 217. The outer side of the sealing ring 217 is movably connected to the inner wall of the connecting pipe. Figure 4-Figure 5 As shown, the sealing ring 217 is made of silicone and has a certain ductility;

[0033] The outer wall thread sleeve of the screw rod 211 is provided with a lifting sleeve 213, the outer wall of the lifting sleeve 213 is slidably connected to the inner side of the limiting column 212, and the two ends of the outer wall of the lifting sleeve 213 pass through the limiting column 212 and are fixedly connected to the sliding sleeve 214. Figure 5 As shown, the lifting sleeve 213 drives the sliding sleeve 214 to slide on the surface of the limiting column 212;

[0034] The bottom of the top cover 219 is provided with limiting grooves 218 on all sides, and the inner walls of the four limiting grooves 218 are slidably connected to the tops of the four support plates 216 respectively. Figure 6 As shown, the limiting groove 218 limits the moving direction of the support plate 216;

[0035] The lower outer wall of the reactor 201 is fixedly connected with a mounting ring 202, a threaded hole 203 is provided in the middle of the mounting ring 202, and both inner walls of the mounting ring 202 are movably connected with balls 204, one end of the balls 204 passes through the mounting ring 202, as shown in FIG. Figure 2-Figure 3 As shown, the balls 204 are trapped in the mounting ring 202 and cannot fall out.

[0036] The inner wall of the threaded hole 203 is threadedly connected with a screw rod 207, and the top side wall of the screw rod 207 is rotatably connected with a pressure plate 205. The top of the screw rod 207 passes through the pressure plate 205 and is fixedly connected with a knob 206. Both ends of the bottom of the pressure plate 205 are fixedly connected with extrusion blocks 208. The bottom of the extrusion block 208 is fixedly connected with a spring 209. The bottom of the spring 209 is fixedly connected to the inner wall of the mounting ring 202. The extrusion block 208 is located on a side close to the ball 204 and is set as an inclined surface. The extrusion block 208 is located on the inclined surface side and is movably connected to the ball 204. Figure 2-Figure 3 As shown, when the extrusion block 208 descends, the extrusion block 208 pushes the ball 204 to the outside of the box mounting ring 202;

[0037] The lifting mechanism 1 includes a base 101, a hydraulic rod 106 is fixedly connected to the top middle of the base 101, the piston end of the hydraulic rod 106 faces upward and is fixedly connected to a support frame 104, the bottom of the inner wall of the support frame 104 is movably connected to a mounting ring 202, and slots 105 are provided on both sides of the inner wall of the support frame 104, and the inner walls of the slots 105 on both sides are respectively engaged with two balls 204, such as Figure 2-Figure 3 As shown, the extrusion block 208 pushes the ball 204 to engage with the inner wall of the slot 105;

[0038] The top sides of the base 101 are fixedly connected to the support frame 102, the inner wall of the support frame 102 is slidably connected to the connecting block 103, and the outer wall of the connecting block 103 is fixedly connected to the support frame 104. Figure 1-Figure 2 As shown, the support frame 102 limits the connection block 103 and the inner support frame 104 .

[0039] The working principle of this utility model:

[0040] When the device body 2 is installed on the lifting mechanism 2, the mounting ring 202 on the outer wall of the reaction kettle 201 is placed inside the support frame 104, and the support frame 104 pushes the ball 204 to shrink into the mounting ring 202, and then the screw 207 is driven to rotate in the threaded hole 203 through the knob 206, so that the pressure plate 205 descends, and the extrusion block 208 pushes one end of the ball 204 out of the mounting ring 202 on the side of the inclined surface during the process of compressing the spring, so that the ball 204 is engaged with the inner side of the slot 105 to complete the fixation;

[0041] Secondly, when closing the connecting pipe at the top of the reactor 201, the top cover 219 is placed on the top of the connecting pipe, and the limiting column 212 is inserted into the connecting pipe. Then, the knob 210 is turned to drive the lifting sleeve 213 and the sliding sleeve 214 to move through the screw 211. When the sliding sleeve 214 moves upward along the height direction of the limiting column 212, the connecting rod 215 pushes the support plate 216 to slide in the limiting groove 218, thereby increasing the distance between the support plates 216 and expanding the sealing ring 217, so that the outer wall of the expanded sealing ring 217 presses against the inner wall of the connecting pipe, thereby reducing the gap between the connecting pipe and the top cover 219.

[0042] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. An adjustable reactor for oil well cement fluid loss reducer, comprising a lifting mechanism (1), wherein a device body (2) is arranged in the middle of the lifting mechanism (1); It is characterized in that Also includes: The device body (2) comprises a reaction kettle (201), the top of the reaction kettle (201) is connected with a connecting pipe, the top of the connecting pipe is movably connected with a top cover (219), the inner wall of the top cover (219) is rotatably connected with a second knob (210), and the top end of the second knob (210) passes through the top cover (219); The middle of the bottom of the top cover (219) is rotatably connected with a second screw rod (211), the top end of the second screw rod (211) penetrates the top cover (219) and is fixedly connected with the second knob (210), the bottom of the top cover (219) and located outside the second screw rod (211) is fixedly connected with a limiting column (212), and the outer wall of the limiting column (212) is provided with a sliding sleeve (214); The upper and lower ends of the outer wall of the sliding sleeve (214) are rotatably connected to connecting rods (215), the other end of the connecting rods (215) on each side is rotatably connected to a support plate (216), the outer walls of the four support plates (216) are movably connected to sealing rings (217), and the outer side of the sealing ring (217) is movably connected to the inner wall of the connecting pipe.

2. The adjustable reactor for oil well cement fluid loss reducer according to claim 1, characterized in that: The outer wall thread sleeve of the second screw rod (211) is provided with a lifting sleeve (213), the outer wall of the lifting sleeve (213) is slidably connected to the inner side of the limiting column (212), and the two ends of the outer wall of the lifting sleeve (213) pass through the limiting column (212) and are fixedly connected to the sliding sleeve (214).

3. The adjustable reactor for oil well cement fluid loss reducer according to claim 1, characterized in that: Limiting grooves (218) are provided around the bottom of the top cover (219), and the inner walls of the four limiting grooves (218) are slidably connected to the tops of the four support plates (216) respectively.

4. The adjustable reactor for oil well cement fluid loss reducer according to claim 1, characterized in that: A mounting ring (202) is fixedly connected to the outer wall of the lower end of the reaction kettle (201), a threaded hole (203) is provided in the middle of the mounting ring (202), and balls (204) are movably connected to the inner walls on both sides of the mounting ring (202), and one end of the ball (204) passes through the mounting ring (202).

5. The adjustable reactor for oil well cement fluid loss reducer according to claim 4, characterized in that: The inner wall of the threaded hole (203) is threadedly connected to a screw rod (207), the top side wall of the screw rod (207) is rotatably connected to a pressure plate (205), and the top of the screw rod (207) passes through the pressure plate (205) and is fixedly connected to a knob (206).

6. The adjustable reactor for oil well cement fluid loss reducer according to claim 5, characterized in that: Both ends of the bottom of the pressure plate (205) are fixedly connected with extrusion blocks (208), the bottom of the extrusion block (208) is fixedly connected with a spring (209), the bottom of the spring (209) is fixedly connected to the inner wall of the mounting ring (202), the side of the extrusion block (208) close to the ball (204) is set as an inclined surface, and the extrusion block (208) is located on the inclined surface side and is movably connected to the ball (204).

7. The adjustable reactor for oil well cement fluid loss reducer according to claim 1, characterized in that: The lifting mechanism (1) comprises a base (101), a hydraulic rod (106) is fixedly connected to the middle of the top of the base (101), the piston end of the hydraulic rod (106) faces upward and is fixedly connected to a support frame (104), the bottom of the inner wall of the support frame (104) is movably connected to a mounting ring (202), and slots (105) are provided on both sides of the inner wall of the support frame (104), and the inner walls of the slots (105) on both sides are respectively engaged with two balls (204).

8. The adjustable reactor for oil well cement fluid loss reducer according to claim 7, characterized in that: Both sides of the top of the base (101) are fixedly connected to a support frame (102), the inner wall of the support frame (102) is slidably connected to a connection block (103), and one side of the outer wall of the connection block (103) is fixedly connected to a support frame (104).

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