Well cementation admixture mixing and metering device

Abstract

The utility model discloses a well cementation admixture mixing and metering device which comprises a mixing tower, a stirring unit installed in the mixing tower, a chemical feeding station connected to one side of the mixing tower and used for conveying cement chemical materials into the mixing tower, and a charging machine used for conveying well cementation admixtures into the mixing tower. The flow meter is installed between the charging machine and the mixing tower, the flow meter is used for detecting the amount of the cementing admixture conveyed by the charging machine, the controller is arranged on one side of the mixing tower, and the controller is electrically connected with the stirring unit, the chemical feeding station, the charging machine and the flow meter. The controller, the fixing frame, the sliding block and the locking assembly are used in a matched mode, the controller is installed in the fixing frame in a sliding and clamping mode through the sliding block, the locking assembly is connected with the fixing frame in a clamping mode, the sliding block is locked, and therefore the stability of the controller installed in the fixing frame is guaranteed. The controller can be directly detached in a sliding mode by releasing the locking state of the locking assembly and the fixing frame.

Description

Technical Field

[0001] The utility model relates to the field of metering devices, in particular to a mixing metering device for cementing admixtures. Background Art

[0002] Oilfield drilling water-based waste drilling mud is a suspension system containing a variety of chemical treatment agents, sewage, dirty oil and multiple stable colloids. As the drilling depth increases, the difficulty increases, and the types and quantities of additives added to the drilling fluid are also increasing. Among them, cementing admixtures are one of them. Cementing admixtures refer to chemicals added to cement during cementing operations to ensure smooth construction and cementing quality.

[0003] When adding and mixing cementing admixtures, a certain amount of cementing admixture is usually added directly into a certain amount of cement, and then mixed and stirred. This mixing method can only mix a certain amount of cement and cementing admixture. When cement is continuously input, in order to continuously mix and add cement and cementing admixture, a controller is usually used to control the cement conveying mechanism and the cementing admixture conveying mechanism to carry out quantitative conveying and mixing. However, since the controller is usually directly installed on the outside of the mixing device, when the cement and cementing admixture are mixed, cement dust will fall on the controller, and the controller needs to be disassembled, cleaned and maintained regularly. However, the existing controller is usually installed with bolts and fixed brackets. However, when the cement is mixed and stirred, the solidified cement will adhere to and wrap around the outside of the bolts, making it inconvenient to disassemble and maintain it. Utility Model Content

[0004] The utility model aims to provide a cementing admixture mixing and metering device to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a cementing admixture mixing and metering device, comprising:

[0006] Mixing tower;

[0007] A stirring unit, the stirring unit is installed inside the mixing tower, and the stirring unit is used to stir and mix the materials entering the mixing tower;

[0008] A chemical feeding station, which is connected to one side of the mixing tower and is used to transport cement chemical materials into the mixing tower;

[0009] A feeder, which is installed on one side of the mixing tower and is used to transport cementing admixture into the mixing tower;

[0010] A flow meter, which is installed between the feeder and the mixing tower and is used to detect the amount of cementing admixture delivered by the feeder;

[0011] A controller is arranged on one side of the mixing tower, and is electrically connected to the stirring unit, the chemical feeding station, the feeder and the flow meter.

[0012] Preferably, it also includes:

[0013] A fixed frame, wherein the fixed frame is fixedly connected to one side of the mixing tower;

[0014] A slider, the slider is fixedly connected to the side of the controller, and the outer wall of the slider is slidably engaged with the fixed frame;

[0015] A locking assembly is arranged between the sliding block and the fixing frame.

[0016] Preferably, the locking assembly comprises:

[0017] A connecting rod, one end of which is fixedly connected to the slider;

[0018] A slot is provided on the top of the fixed frame, and the outer wall of the connecting rod is slidably sleeved with the inner cavity of the slot.

[0019] Preferably, the locking assembly further comprises:

[0020] A locking plate, the locking plate is slidably sleeved on the outside of the connecting rod, and the locking plate is located on the side of the fixed frame;

[0021] A locking rod, one end of which is fixedly connected to the locking plate, a locking groove is provided on the side of the fixing frame, and the outer wall of the locking rod is slidably sleeved with the inner cavity of the locking groove.

[0022] Preferably, the locking assembly further comprises:

[0023] A fixed sleeve, one end of which is fixedly connected to the locking plate;

[0024] A limit spring is sleeved inside the fixing sleeve.

[0025] Preferably, the locking assembly further comprises a limit block, the limit block is fixedly connected to the end of the connecting rod, the limit spring is slidably sleeved on the outside of the connecting rod, and the limit spring is located between the limit block and the locking plate.

[0026] Technical effects and advantages of the utility model:

[0027] The utility model utilizes the coordinated use of a controller, a fixed frame, a slider, and a locking assembly. The controller is installed inside the fixed frame by sliding and snapping the slider, and the locking assembly is snapped with the fixed frame to lock the slider, thereby ensuring the stability of the controller installed inside the fixed frame. The locking state of the locking assembly and the fixed frame is released, and the controller can be directly slid and disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the internal structure of the front side of the utility model.

[0029] Figure 2 It is a schematic diagram of the internal structure of the side of the fixed frame of the utility model.

[0030] Figure 3 It is a schematic diagram of the internal structure of the fixed frame part of the utility model in top view.

[0031] Figure 4 It is a schematic diagram of the overall structure of the fixed frame of the utility model.

[0032] In the figure: 1. mixing tower; 2. stirring unit; 3. chemical feeding station; 4. feeder; 5. flow meter; 6. controller; 7. fixed frame; 8. slider; 9. locking assembly; 91. connecting rod; 92. locking plate; 93. locking rod; 94. fixed sleeve; 95. limit block; 96. limit spring. DETAILED DESCRIPTION

[0033] 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.

[0034] The utility model provides Figure 1-4 A cementing admixture mixing and metering device is shown. Example 1

[0035] It includes a mixing tower 1, a stirring unit 2, a chemical feeding station 3, a feeder 4, a flow meter 5 and a controller 6. The stirring unit 2 is installed inside the mixing tower 1. When the mixing tower 1 is in use, it is fixed at a specified position by a bracket. The stirring unit 2 is used to stir and mix the materials entering the mixing tower 1. The stirring unit 2 is composed of a servo motor, a shaft and a stirring rod, which belongs to the existing technology and will not be introduced too much here. The chemical feeding station 3 is connected to one side of the mixing tower 1. The chemical feeding station 3 is used to transport cement chemical materials into the mixing tower 1. The feeder 4 is installed on one side of the mixing tower 1. The feeder 4 is used to transport cementing admixtures into the mixing tower 1. The feeder 4 belongs to the existing known technology and will not be introduced too much here. The flow meter 5 is installed Between the feeder 4 and the mixing tower 1, the flowmeter 5 is used to detect the amount of cementing admixture delivered by the feeder 4. The controller 6 is arranged on one side of the mixing tower 1. The controller 6 is electrically connected to the stirring unit 2, the chemical feeding station 3, the feeder 4 and the flowmeter 5, so that the controller 6 can calculate the flow rate of cementing admixture added through the flowmeter 5, thereby controlling the chemical feeding station 3 to deliver the tonnage of cement chemical materials to the inside of the mixing tower 1. The chemical feeding station 3 is a device for conveying cement, which belongs to the existing known technology and will not be introduced in detail here. Under the action of the stirring unit 2, it is mixed and stirred, so as to achieve quantitative addition and mixing of cement chemical materials and cementing admixtures, thereby not only improving the uniformity of the mixing ratio, but also improving the efficiency of its processing and mixing. Example 2

[0036] On the basis of Example 1, it also includes a fixed frame 7, a slider 8 and a locking assembly 9. The fixed frame 7 is fixedly connected to one side of the mixing tower 1, the slider 8 is fixedly connected to the side of the controller 6, the outer wall of the slider 8 is slidably engaged with the fixed frame 7, and the locking assembly 9 is arranged between the slider 8 and the fixed frame 7. Under the action of the locking assembly 9 and the slider 8, the controller 6 can be stably engaged with the inside of the fixed frame 7. When the locking state of the slider 8 is released by the locking assembly 9, the controller 6 can be directly slid off, thereby disassembling the controller 6 for cleaning and maintenance.

[0037] In particular, the locking assembly 9 includes a connecting rod 91 and a slot, one end of the connecting rod 91 is fixedly connected to the slider 8, the slot is opened at the top of the fixed frame 7, the outer wall of the connecting rod 91 is slidably sleeved with the inner cavity of the slot, the locking assembly 9 also includes a locking plate 92 and a locking rod 93, the locking plate 92 is slidably sleeved on the outside of the connecting rod 91, the locking plate 92 is located on the side of the fixed frame 7, one end of the locking rod 93 is fixedly connected to the locking plate 92, a locking groove is opened on the side of the fixed frame 7, the outer wall of the locking rod 93 is slidably sleeved with the inner cavity of the locking groove, the locking rod 93 is engaged with the locking groove on the side of the fixed frame 7, the connecting rod 91 can be engaged and limited, thereby locking the slider 8, pulling the locking plate 92 away from the fixed frame 7 to separate the locking rod 93 from the locking groove, the connecting rod 91 can be used to drive the slider 8 and the controller 6 to slide and separate from the fixed frame 7.

[0038] Specifically, the locking assembly 9 also includes a fixed sleeve 94, a limit spring 96 and a limit block 95. One end of the fixed sleeve 94 is fixedly connected to the locking plate 92. The limit spring 96 is sleeved on the inside of the fixed sleeve 94. The limit block 95 is fixedly connected to the end of the connecting rod 91. The limit spring 96 is slidably sleeved on the outside of the connecting rod 91. The limit spring 96 is located between the limit block 95 and the locking plate 92. The limit spring 96 can give the locking plate 92 an elastic force toward the fixed frame 7, so that the locking plate 92 drives the locking rod 93 to be in a stable state and engage with the locking groove on the side of the fixed frame 7.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cementing admixture mixing and metering device, characterized in that: include: Mixing tower (1); A stirring unit (2), the stirring unit (2) being installed inside the mixing tower (1), and the stirring unit (2) being used to stir and mix the materials entering the mixing tower (1); A chemical feeding station (3), the chemical feeding station (3) being connected to one side of the mixing tower (1), and the chemical feeding station (3) being used to transport cement chemical materials into the mixing tower (1); A feeder (4), the feeder (4) being installed on one side of the mixing tower (1), and the feeder (4) being used to transport cementing admixture into the mixing tower (1); A flow meter (5), the flow meter (5) being installed between the feeder (4) and the mixing tower (1), the flow meter (5) being used to detect the amount of cementing admixture delivered by the feeder (4); A controller (6), the controller (6) being arranged on one side of the mixing tower (1), the controller (6) being electrically connected to the stirring unit (2), the chemical feeding station (3), the feeder (4) and the flow meter (5); A fixed frame (7), wherein the fixed frame (7) is fixedly connected to one side of the mixing tower (1); A slider (8), the slider (8) being fixedly connected to a side of the controller (6), and an outer wall of the slider (8) being slidably engaged with the fixed frame (7); A locking component (9), wherein the locking component (9) is arranged between the slider (8) and the fixed frame (7), and the locking component (9) locks the controller (6) by sliding the slider (8).

2. A cementing admixture mixing and metering device according to claim 1, characterized in that: The locking assembly (9) comprises: A connecting rod (91), one end of the connecting rod (91) being fixedly connected to the slider (8); A slot is provided at the top of the fixed frame (7), and the outer wall of the connecting rod (91) is slidably sleeved with the inner cavity of the slot.

3. A cementing admixture mixing and metering device according to claim 2, characterized in that: The locking assembly (9) further comprises: A locking plate (92), the locking plate (92) being slidably sleeved on the outside of the connecting rod (91), the locking plate (92) being located on a side of the fixed frame (7); A locking rod (93), one end of which is fixedly connected to the locking plate (92); a locking groove is provided on the side of the fixing frame (7); and an outer wall of the locking rod (93) is slidably sleeved with an inner cavity of the locking groove.

4. A cementing admixture mixing and metering device according to claim 3, characterized in that: The locking assembly (9) further comprises: a fixed sleeve (94), one end of the fixed sleeve (94) being fixedly connected to the locking plate (92); A limit spring (96), wherein the limit spring (96) is sleeved inside the fixing sleeve (94).

5. A cementing admixture mixing and metering device according to claim 4, characterized in that: The locking assembly (9) further comprises a limit block (95), wherein the limit block (95) is fixedly connected to the end of the connecting rod (91), the limit spring (96) is slidably sleeved on the outside of the connecting rod (91), and the limit spring (96) is located between the limit block (95) and the locking plate (92).

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