Efficient mixing device for transformer lubricating oil production

Abstract

The utility model relates to the technical field of transformer lubricating oil production, in particular to an efficient mixing device for transformer lubricating oil production. The transformer lubricating oil mixing device is mainly composed of a mixing box, an oil inlet pipe, an oil outlet pipe, a positioning block, a stirring shaft, fan blades, a rectangular stirring frame, a scraper strip, a driving push rod, a locking push rod, a suction pump, an oil return spray pipe and an external water removal assembly. The transformer lubricating oil flows back to the mixing box after being dewatered by an external dewatering assembly, the backflow transformer lubricating oil is sprayed to fan blades through an oil return spray pipe and drives a rectangular stirring frame to rotate through a stirring shaft, the stirring range of the rectangular stirring frame can be adjusted on line through a driving push rod and a locking push rod, and the inner wall of the mixing box can be scraped in the mixing process by matching with a scraper strip; the mixing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer lubricating oil production technical field, concretely relates to a kind of efficient mixing device for transformer lubricating oil production. BACKGROUND

[0002] Efficient mixing device plays a vital role in transformer lubricating oil production. The following is a specific elaboration of its role: 1) Transformer lubricating oil is generally mixed by base oil and various additives, and these components need to be highly uniform during mixing to ensure the stability of the lubricating oil. The efficient mixing device can fully mix the base oil and additives through its unique stirring method and mixing mechanism, avoiding the phenomenon of local high or low concentration, thereby improving the quality and stability of the lubricating oil. 2) The efficient mixing device can greatly shorten the mixing time and improve the production efficiency. This is mainly due to its advanced mixing technology and efficient stirring system, which can achieve uniform mixing of the lubricating oil in a short time, thereby meeting the needs of large-scale production. 3) The efficient mixing device can ensure uniform dispersion of various additives in the base oil during mixing, thereby fully utilizing the functions of additives such as improving lubricity, oxidation resistance, and rust prevention. This helps to optimize the operating performance of the transformer, prolong the service life of the equipment, and reduce downtime and downtime caused by poor performance of the lubricating oil.

[0003] The traditional efficient mixing device for transformer lubricating oil production has deficiencies in use. First, the stirring range of its stirring frame cannot be adjusted online according to demand, and it cannot scrape the inner wall of the mixing tank during mixing, so the mixing effect is not ideal. Second, it cannot remove free water and emulsified water mixed in transformer lubricating oil during mixing. Therefore, it is necessary to optimize and improve the traditional efficient mixing device for transformer lubricating oil production. SUMMARY

[0004] The utility model aims to overcome the above problems in the prior art and provide an efficient mixing device for transformer lubricating oil production.

[0005] To achieve the above technical purposes and effects, the utility model is implemented by the following technical solutions:

[0006] The utility model relates to a kind of high-efficiency mixing device for transformer lubricating oil production, including mixing box, oil inlet pipe is installed at the top end of the mixing box, oil outlet pipe is installed at the bottom end of the mixing box, the inner cavity of the mixing box is fixed with locating block symmetrically on upper and lower walls, two The stirring shaft is movably limited in the locating block, the fan blade is installed at the top end close to the stirring shaft, the rectangular stirring frame is slidably installed in the stirring shaft, the scraper strip is installed on the one vertical frame side of the rectangular stirring frame, the drive push rod for driving the horizontal displacement of rectangular stirring frame and the locking push rod for locking the position of rectangular stirring frame are installed on the stirring shaft, suction pump is installed in the bottom plate inside the mixing box, oil return spray pipe is installed on the side plate of the mixing box close to fan blade, external water removal assembly is installed between the output end of suction pump and oil return spray pipe.

[0007] Further, in the above-mentioned high-efficiency mixing device for transformer lubricating oil production, an opening valve is installed on each of the oil inlet pipe and the oil outlet pipe.

[0008] Further, in the above-mentioned high-efficiency mixing device for transformer lubricating oil production, two sliding grooves are parallelly formed in the stirring shaft, and locking fitting holes are symmetrically formed in the inner side walls of the sliding grooves.

[0009] Further, in the above-mentioned high-efficiency mixing device for transformer lubricating oil production, a plurality of locking holes are equidistantly formed on each of the two horizontal frame sides of the rectangular stirring frame.

[0010] Further, in the above-mentioned high-efficiency mixing device for transformer lubricating oil production, the movable rod of the locking push rod can extend into the locking hole through the locking fitting hole, so as to lock the relative position of the rectangular stirring frame and the stirring shaft.

[0011] Further, in the above-mentioned high-efficiency mixing device for transformer lubricating oil production, the advancing direction of the drive push rod is perpendicular to the advancing direction of the locking push rod.

[0012] Further, in the above-mentioned high-efficiency mixing device for transformer lubricating oil production, the external water removal assembly includes a filter cartridge box, a filter cartridge cover plate, a water-absorbing filter cartridge, a lubricating oil inlet pipe and a lubricating oil outlet pipe, the filter cartridge box is internally provided with a filter cartridge mounting cavity for facilitating the plug-in installation of the water-absorbing filter cartridge, the filter cartridge box is provided, at the opening of the filter cartridge mounting cavity, with a detachable filter cartridge cover plate, the bottom end of the filter cartridge box is connected with the lubricating oil inlet pipe in communication with the filter cartridge mounting cavity, and the top end of the filter cartridge box is connected with the lubricating oil outlet pipe in communication with the filter cartridge mounting cavity.

[0013] Further, in the above-mentioned high-efficiency mixing device for transformer lubricating oil production, the water-absorbing filter cartridge is a paper filter cartridge.

[0014] The utility model has the advantages that:

[0015] The utility model discloses a reasonable structure design, it is mainly by mixing box, oil inlet pipe, oil outlet pipe, locating block, stirring shaft, fan blade, rectangular stirring frame, scraper strip, drive push rod, locking push rod, suction pump, oil return spray pipe and external water removal component constitute, utilize oil inlet pipe and import transformer lubricating oil to mixing box, utilize suction pump and suck the transformer lubricating oil at the bottom of mixing box, and after the water removal of external water removal component, return flow to mixing box, and the transformer lubricating oil of return flow is sprayed to fan blade through oil return spray pipe, and rectangular stirring frame is rotated through the drive of stirring shaft, and the stirring range of rectangular stirring frame can utilize drive push rod, locking push rod and carry out on -line adjustment, and cooperate scraper strip can scrape the material in the inner wall of mixing box in the mixing process, improve mixing effect.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages above simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 It is the structure schematic diagram of the utility model whole;

[0019] Figure 2 It is the structure schematic diagram of the utility model mixing box;

[0020] Figure 3 It is the structure schematic diagram of the utility model mixing assembly;

[0021] Figure 4 It is the structure schematic diagram of the utility model stirring shaft and its upper part;

[0022] Figure 5 It is the structure schematic diagram of the utility model rectangular stirring frame and its upper part;

[0023] Figure 6 It is the structure schematic diagram of the utility model external water removal component;

[0024] In the drawings, the components represented by each reference sign are as follows:

[0025] 1-Mixing box, 2-Oil inlet pipe, 3-Oil outlet pipe, 4-Positioning block, 5-Agitator shaft, 6-Slide groove, 7-Locking mating hole, 8-Fan blade, 9-Rectangular agitator frame, 10-Scraper strip, 11-Drive push rod, 12-Locking push rod, 13-Suction pump, 14-Return oil spray pipe, 15-External water removal component, 151-Filter element box, 152-Filter element cover plate, 153-Water-absorbing filter element, 154-Lubricating oil inlet pipe, 155-Lubricating oil outlet pipe. Detailed Implementation

[0026] 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.

[0027] like Figures 1-6 As shown, this embodiment is a high-efficiency mixing device for transformer lubricating oil production, including a mixing tank 1. An oil inlet pipe 2 is installed at the top of the mixing tank 1, and an oil outlet pipe 3 is installed at the bottom. Positioning blocks 4 are symmetrically fixed to the upper and lower walls of the inner cavity of the mixing tank 1, and a stirring shaft 5 is movablely restricted within the two positioning blocks 4. A fan blade 8 is installed near the top of the stirring shaft 5, and a rectangular stirring frame 9 is slidably installed within the stirring shaft 5. A scraper strip 10 is installed on the outer side of one vertical frame edge of the rectangular stirring frame 9. A drive push rod 11 for driving the horizontal displacement of the rectangular stirring frame 9 and a locking push rod 12 for locking the position of the rectangular stirring frame 9 are installed on the stirring shaft 5. A suction pump 13 is installed inside the bottom plate of the mixing tank 1, and a return oil spray pipe 14 is installed on the side plate of the mixing tank 1 near the fan blade. An external water removal assembly 15 is installed between the output end of the suction pump 13 and the return oil spray pipe 14.

[0028] In this embodiment, an opening valve is installed on both the oil inlet pipe 2 and the oil outlet pipe 3.

[0029] In this embodiment, two sliding grooves 6 are provided side by side in the stirring shaft 5, and locking fitting holes 7 are symmetrically provided on the inner sidewall of the sliding grooves 6.

[0030] In this embodiment, multiple locking holes are equally spaced on each of the two horizontal edges of the rectangular stirring frame 9.

[0031] In this embodiment, the movable rod of the locking push rod 12 can extend into the locking hole through the locking mating hole 7, thereby locking the relative position of the rectangular stirring frame 9 and the stirring shaft 5.

[0032] In the embodiment, the driving push rod 11 and the locking push rod 12 are perpendicular to each other, and the outer shell and the extending shaft of the driving push rod 11 and the locking push rod 12 are provided with oil-proof sealing elements.

[0033] In the embodiment, the external water removal assembly 15 comprises a filter cartridge box 151, a filter cartridge cover plate 152, a water absorption filter cartridge 153, a lubricating oil inlet pipe 154 and a lubricating oil outlet pipe 155. The filter cartridge box 151 is internally provided with a filter cartridge mounting cavity for facilitating the plug-in installation of the water absorption filter cartridge 153. The filter cartridge cover plate 152 is detachably mounted at the opening of the filter cartridge mounting cavity of the filter cartridge box 151. The bottom end of the filter cartridge box 151 is connected with the lubricating oil inlet pipe 154 in communication with the filter cartridge mounting cavity, and the top end of the filter cartridge box 151 is connected with the lubricating oil outlet pipe 155 in communication with the filter cartridge mounting cavity.

[0034] In the embodiment, the water absorption filter cartridge 153 is a paper filter cartridge.

[0035] One specific application of the embodiment is that the device is mainly composed of a mixing box 1, an oil inlet pipe 2, an oil outlet pipe 3, a positioning block 4, a stirring shaft 5, a fan blade 8, a rectangular stirring frame 9, a scraper strip 10, a driving push rod 11, a locking push rod 12, a suction pump 13, an oil return spray pipe 14 and an external water removal assembly 15. The transformer lubricating oil is introduced into the mixing box 1 through the oil inlet pipe 2. The transformer lubricating oil at the bottom of the mixing box 1 is sucked by the suction pump 13 and then flows back to the mixing box 1 after being dehydrated by the external water removal assembly 15. The returned transformer lubricating oil is sprayed towards the fan blade 8 through the oil return spray pipe 14. The rectangular stirring frame 9 is rotated by the stirring shaft 5. The stirring range of the rectangular stirring frame 9 can be adjusted online by the driving push rod 11 and the locking push rod 12. The scraper strip 10 can scrape the inner wall of the mixing box during the mixing process, thereby improving the mixing effect.

[0036] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A high-efficiency mixing device for transformer lubricating oil production, comprising a mixing tank, an oil inlet pipe installed at the top of the mixing tank, and an oil outlet pipe installed at the bottom of the mixing tank, characterized in that: The inner cavity of the mixing box is symmetrically fixed with positioning blocks on the upper and lower walls, two positioning blocks movably limit a stirring shaft, a fan blade is installed near the top end of the stirring shaft, a rectangular stirring frame is slidably installed in the stirring shaft, a scraper strip is installed on the outer side of a vertical frame edge of the rectangular stirring frame, a drive push rod for driving the horizontal displacement of the rectangular stirring frame and a locking push rod for locking the position of the rectangular stirring frame are installed on the stirring shaft, a suction pump is installed on the inner side of the bottom plate of the mixing box, an oil return nozzle is installed on the side plate of the mixing box near the fan blade, and an external water removal assembly is installed between the output end of the suction pump and the oil return nozzle.

2. The high-efficiency mixing device for transformer lubricating oil production according to claim 1, characterized in that: An opening valve is installed on each of the oil inlet pipe and the oil outlet pipe.

3. The high-efficiency mixing device for transformer lubricating oil production according to claim 2, characterized in that: Two sliding grooves are parallelly arranged in the stirring shaft, and locking fitting holes are symmetrically arranged on the inner side wall of the sliding groove.

4. The high-efficiency mixing device for transformer lubricating oil production according to claim 3, characterized in that: A plurality of locking holes are equidistantly arranged on each of the two horizontal frame edges of the rectangular stirring frame.

5. The high-efficiency mixing device for transformer lubricating oil production according to claim 4, characterized in that: The movable rod of the locking push rod can extend into the locking hole through the locking fitting hole, thereby locking the relative position of the rectangular stirring frame and the stirring shaft.

6. The high-efficiency mixing device for transformer lubricating oil production according to claim 5, characterized in that: The advancing direction of the drive push rod is perpendicular to the advancing direction of the locking push rod.

7. The high-efficiency mixing device for transformer lubricating oil production according to claim 6, characterized in that: The external water removal assembly comprises a filter element box, a filter element cover plate, a water-absorbing filter element, a lubricating oil inlet pipe and a lubricating oil outlet pipe, the inside of the filter element box is provided with a filter element mounting cavity for facilitating the plug-in installation of the water-absorbing filter element, the filter element box is provided with a detachable filter element cover plate at the opening of the filter element mounting cavity, the bottom end of the filter element box is connected with a lubricating oil inlet pipe in communication with the filter element mounting cavity, and the top end of the filter element box is connected with a lubricating oil outlet pipe in communication with the filter element mounting cavity.

8. The high-efficiency mixing device for transformer lubricating oil production according to claim 7, characterized in that: The water-absorbing filter element is a paper filter element.

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