Dustless metering device for petroleum additive powder raw material

Abstract

This utility model relates to the field of metering equipment, specifically to a dust-free metering device for petroleum additive powder raw materials. It includes a weighing box with inlets and outlets on both sides. A base is located inside the weighing box, and a weighing mechanism is mounted on top of the base. A metering box is placed on top of the weighing mechanism. A conical feed pipe is located at the top of the metering box, containing a spring. A dustproof block is located at the top of the spring. A horizontal sliding mechanism is located on the side wall of the weighing box, and a lifting frame is mounted on the horizontal sliding mechanism. The lifting frame includes a horizontally extending gantry frame. A feeding unit is located above the weighing box, including a feed pipe extending vertically into the weighing box. An extension pipe is vertically slidably mounted at the lower end of the feed pipe. A first telescopic mechanism connected to the extension pipe is vertically mounted at the top of the weighing box. A controller connected to the weighing mechanism, the first telescopic mechanism, and the feeding unit is located inside the weighing box. This utility model has the advantage of avoiding dust generation.

Description

Technical Field

[0001] This utility model relates to the field of metering equipment, specifically to a dust-free metering device for petroleum additive powder raw materials. Background Technology

[0002] Powdered raw materials for petroleum additives include sodium carboxymethyl starch, polyols, and sulfonated asphalt powder. Among them, sodium carboxymethyl starch is used as a drilling fluid filtration reducer and thickener, and has salt and high temperature resistance. Polyols are nonionic surfactants used to inhibit shale water expansion and improve drilling fluid rheology. Sulfonated asphalt powder is used for mud lubrication and plugging, and enhances wellbore stability. In the production process of petroleum additives, various powdered raw materials need to be weighed and batched in proportion. During this process, dust from the powdered raw materials will be generated, affecting the air quality in the workshop. Therefore, it is necessary to design a dust-free metering device for petroleum additive powdered raw materials that avoids dust generation during the metering process and maintains a good air environment in the workshop. Summary of the Invention

[0003] The purpose of this invention is to provide a dust-free metering device for petroleum additive powder raw materials, which has the advantages of avoiding dust generation during the metering process and maintaining a good air environment in the workshop.

[0004] The technical solution adopted is as follows:

[0005] A dust-free metering device for petroleum additive powder raw materials includes a weighing box with inlets and outlets on both sides. A base is located inside the weighing box, and a weighing mechanism is mounted on top of the base. A metering box is placed on top of the weighing mechanism, and a conical feed pipe is located at the top of the metering box. A spring is installed inside the conical feed pipe, and a dustproof block is located at the top of the spring. A horizontal sliding mechanism is located on the side wall of the weighing box, and a lifting frame is mounted on the horizontal sliding mechanism. The lifting frame includes a horizontally extending gantry frame corresponding to the weighing mechanism. A feeding unit is located above the weighing box, and the feeding unit includes a feed pipe extending vertically into the weighing box. An extension pipe is vertically slidably mounted at the lower end of the feed pipe. A first telescopic mechanism connected to the extension pipe is vertically mounted at the upper end of the weighing box. A controller connected to the weighing mechanism, the first telescopic mechanism, and the feeding unit is located inside the weighing box. A pin is located at the lower end of the extension pipe.

[0006] Preferably, the dustproof block is a cone-shaped block that is larger at the top and smaller at the bottom.

[0007] Preferably, each of the entrances and exits is equipped with a vertically sliding dustproof door.

[0008] Preferably, the horizontal sliding mechanism includes a slider and a second telescopic mechanism, the second telescopic mechanism extending horizontally and its two ends being connected to the slider and the weighing box, respectively.

[0009] Preferably, both the second telescopic mechanism and the first telescopic mechanism are electrically operated telescopic rods.

[0010] Compared to existing technologies, the advantages are:

[0011] This invention utilizes an extension tube inserted into a conical feed tube, a pin to push open the dustproof block, a zeroing mechanism to start the feeding unit, and the powder raw material entering the metering box until the weighing mechanism reaches a predetermined quantity. Then, the feeding unit is closed, the extension tube is pulled out of the feed tube, and the dustproof block rises under the action of a spring to press against the inner wall of the conical feed tube, preventing the powder raw material from overflowing from the conical feed tube. This avoids dust generation during the metering process and maintains a good air environment in the workshop. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural schematic diagram of a dust-free metering device for petroleum additive powder raw materials according to this utility model.

[0013] Figure 2 yes Figure 1 A schematic diagram of the structure at point A in the middle.

[0014] Figure 3 This is a front view schematic diagram of a dust-free metering device for petroleum additive powder raw materials according to this utility model.

[0015] In the diagram: 1. Weighing box; 2. Inlet / outlet; 3. Dustproof door; 4. Base; 5. Weighing mechanism; 6. Metering box; 7. Conical feed pipe; 8. Spring; 9. Crossbeam; 10. Dustproof block; 11. Slider; 12. Second telescopic mechanism; 13. Lifting frame; 14. Gantry frame; 15. Feeding unit; 16. Feed pipe; 17. First telescopic mechanism; 18. Extension pipe; 19. Controller; 20. Ejector pin. Detailed Implementation

[0016] The present invention will be further described below with reference to specific embodiments, such as... Figures 1 to 3 As shown:

[0017] Example 1: A dust-free metering device for petroleum additive powder raw materials includes a weighing box 1, with inlet and outlet 2 on both sides of the weighing box 1, a base 4 inside the weighing box 1, a weighing mechanism 5 on the upper end of the base 4, the weighing mechanism 5 being an electronic scale, and a metering box 6 placed on the upper end of the weighing mechanism 5, the metering box 6 being used to hold the powder raw materials.

[0018] A tapered feed pipe 7 is provided at the upper end of the metering box 6. The tapered feed pipe 7 is a variable diameter pipe with a smaller upper diameter and a larger lower diameter. A spring 8 is provided inside the tapered feed pipe 7, and a crossbeam 9 is provided inside the tapered feed pipe 7. The lower end of the spring 8 is connected to the crossbeam 9, and a dustproof block 10 is provided at the upper end of the spring 8. Under the elastic force of the spring 8, the dustproof block 10 abuts against the inner wall of the tapered feed pipe 7, thereby achieving the sealing of the metering box 6.

[0019] The weighing box 1 is provided with a horizontal sliding mechanism on its side wall, and a lifting frame 13 is provided on the horizontal sliding mechanism. The lifting frame 13 includes a horizontally extending gantry frame 14, which corresponds to the weighing mechanism 5. The horizontal sliding mechanism and the lifting frame 13 are used to move the weighing box 6 inside the weighing box 1, so as to facilitate the feeding or taking out of the weighing box 6 from the inlet / outlet 2.

[0020] A feeding unit 15 is provided above the weighing box 1. The feeding unit 15 includes a feeding pipe 16 that extends vertically into the weighing box 1. An extension pipe 18 is slidably provided at the lower end of the feeding pipe 16. A first telescopic mechanism 17 connected to the extension pipe 18 is provided vertically at the upper end of the weighing box 1. A controller 19 is provided inside the weighing box 1 and is connected to the weighing mechanism 5, the first telescopic mechanism 17 and the feeding unit 15. A pin 20 is provided at the lower end of the extension pipe 18.

[0021] The horizontal sliding mechanism and lifting frame 13 are used to move the metering box 6 inside the weighing box 1. The metering box 6 is placed on the weighing mechanism 5. The extension tube 18 is inserted into the conical feed tube 7. The dust block 10 is pushed open by the ejector pin 20. Then the weighing mechanism 5 is zeroed and the feeding unit 15 is started. The powder raw material enters the metering box 6 until the weighing mechanism 5 reaches the predetermined quantity. Then the feeding unit 15 is closed and the extension tube 18 is pulled out from the feed tube 16. Then, under the action of the spring 8, the dust block 10 rises and abuts against the inner wall of the conical feed tube 7 to prevent the powder raw material from overflowing from the conical feed tube 7 and to avoid dust during the feeding process.

[0022] Example 2: A dust-free metering device for petroleum additive powder raw materials includes a weighing box 1, with inlets and outlets 2 on both sides of the weighing box 1, and dustproof doors 3 vertically sliding at each inlet and outlet 2. A base 4 is provided inside the weighing box 1, and a weighing mechanism 5 is provided on the upper end of the base 4. The weighing mechanism 5 is an electronic scale, and a metering box 6 is placed on the upper end of the weighing mechanism 5. The metering box 6 is used to hold the powder raw materials.

[0023] A tapered feed pipe 7 is provided at the upper end of the metering box 6. The tapered feed pipe 7 is a tapered pipe with a smaller diameter at the top and a larger diameter at the bottom. A spring 8 is provided inside the tapered feed pipe 7, and a crossbeam 9 is provided inside the tapered feed pipe 7. The lower end of the spring 8 is connected to the crossbeam 9, and a dustproof block 10 is provided at the upper end of the spring 8. The dustproof block 10 is a tapered block with a larger diameter at the top and a smaller diameter at the bottom. Under the elastic force of the spring 8, the dustproof block 10 abuts against the inner wall of the tapered feed pipe 7, thereby achieving the sealing of the metering box 6.

[0024] The weighing box 1 is provided with a horizontal sliding mechanism on its side wall. The horizontal sliding mechanism includes a slider 11 and a second telescopic mechanism 12. The second telescopic mechanism 12 extends horizontally and its two ends are respectively connected to the slider 11 and the weighing box 1. A lifting frame 13 is provided on the horizontal sliding mechanism. The lifting frame 13 includes a horizontally extending gantry frame 14. The gantry frame 14 corresponds to the weighing mechanism 5. The horizontal sliding mechanism and the lifting frame 13 are used to move the weighing box 6 inside the weighing box 1, so as to facilitate the feeding or taking out of the weighing box 6 from the inlet and outlet 2.

[0025] A feeding unit 15 is provided above the weighing box 1. The feeding unit 15 includes a feeding pipe 16 that extends vertically into the weighing box 1. An extension pipe 18 is slidably provided at the lower end of the feeding pipe 16. A first telescopic mechanism 17 connected to the extension pipe 18 is provided vertically at the upper end of the weighing box 1. A controller 19 is provided inside the weighing box 1 and is connected to the weighing mechanism 5, the first telescopic mechanism 17 and the feeding unit 15. The second telescopic mechanism 12 and the first telescopic mechanism 17 are both electric telescopic rods. The second telescopic mechanism 12 is connected to the controller 19. A pin 20 is provided at the lower end of the extension pipe 18.

[0026] The specific work process is as follows:

[0027] The horizontal sliding mechanism and lifting frame 13 are used to move the metering box 6 inside the weighing box 1. The metering box 6 is placed on the weighing mechanism 5. The extension tube 18 is inserted into the conical feed tube 7. The dust block 10 is pushed open by the ejector pin 20. Then the weighing mechanism 5 is zeroed and the feeding unit 15 is started. The powder raw material enters the metering box 6 until the weighing mechanism 5 reaches the predetermined quantity. Then the feeding unit 15 is closed and the extension tube 18 is pulled out from the feed tube 16. Then, under the action of the spring 8, the dust block 10 rises and abuts against the inner wall of the conical feed tube 7 to prevent the powder raw material from overflowing from the conical feed tube 7 and to avoid dust during the metering process.

[0028] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A dust-free metering device for petroleum additive powder raw materials, characterized in that: The weighing box (1) has an inlet and outlet (2) on both sides. A base (4) is installed inside the weighing box (1). A weighing mechanism (5) is installed on the upper end of the base (4). A metering box (6) is placed on the upper end of the weighing mechanism (5). A conical feed pipe (7) is installed on the upper end of the metering box (6). A spring (8) is installed inside the conical feed pipe (7). A dustproof block (10) is installed on the upper end of the spring (8). A horizontal sliding mechanism is installed on the side wall of the weighing box (1). A lifting frame (13) is installed on the horizontal sliding mechanism. The lifting frame (13) includes a horizontally extending gantry frame (14). The gantry frame (14) corresponds to the weighing mechanism (5). A feeding unit (15) is provided above the weighing box (1). The feeding unit (15) includes a feeding pipe (16) that extends vertically into the weighing box (1). An extension pipe (18) is vertically slidably provided at the lower end of the feeding pipe (16). A first telescopic mechanism (17) connected to the extension pipe (18) is vertically provided at the upper end of the weighing box (1). A controller (19) connected to the weighing mechanism (5), the first telescopic mechanism (17) and the feeding unit (15) is provided inside the weighing box (1). A pin (20) is provided at the lower end of the extension pipe (18).

2. The dust-free metering device for petroleum additive powder raw materials as described in claim 1, characterized in that: The dustproof block (10) is a cone-shaped block that is larger at the top and smaller at the bottom.

3. The dust-free metering device for petroleum additive powder raw materials as described in claim 1, characterized in that: Dustproof doors (3) are vertically slidably installed at each of the entrances and exits (2).

4. The dust-free metering device for petroleum additive powder raw materials as described in claim 1, characterized in that: The horizontal sliding mechanism includes a slider (11) and a second telescopic mechanism (12). The second telescopic mechanism (12) extends horizontally and its two ends are connected to the slider (11) and the weighing box (1) respectively.

5. The dust-free metering device for petroleum additive powder raw materials as described in claim 4, characterized in that: Both the second telescopic mechanism (12) and the first telescopic mechanism (17) are electric telescopic rods.

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