Transformer oil drying treatment device

Abstract

The utility model relates to the technical field of transformers, and discloses a transformer oil drying treatment device. The transformer oil insulation drying treatment device comprises a transformer body, the left side of the transformer body is fixedly connected with a rectangular inner cavity, a plurality of heating plates matched with the rectangular inner cavity are arranged in the rectangular inner cavity, and the top of the rectangular inner cavity is fixedly connected with an oil inlet pipe which extends into the rectangular inner cavity and communicates with the rectangular inner cavity; and the end, away from the rectangular inner cavity, of the oil inlet pipe is fixedly connected with a circulating pump, and the output end of the circulating pump communicates with the end, away from the rectangular inner cavity, of the oil inlet pipe. The problems that in the prior art, water in a transformer is mostly removed by recycling the transformer and drying transformer oil in the transformer, manpower, material resources and financial resources are wasted, the transformer needs to be detached and replaced with a new one, and safe operation of the transformer cannot be guaranteed all the time are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a transformer oil drying treatment device. Background Art

[0002] Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are primary coil, secondary coil and iron core. Its main functions include voltage conversion, current conversion, impedance conversion, isolation and voltage stabilization. The three major factors that affect the life of transformer insulation paper are moisture, oxygen and temperature. Among them, moisture has the most obvious effect. How to remove moisture from the transformer is one of the important means to extend the life of the transformer.

[0003] In the prior art, the moisture in the transformer is mostly removed by recycling the transformer and drying the transformer oil inside it, which wastes manpower, material resources and financial resources, and requires the transformer to be dismantled and replaced with a new one, which cannot ensure the safety of the transformer at all times. Therefore, a transformer oil drying device is proposed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a transformer oil drying treatment device, which has the advantages of being able to dry the transformer oil inside the transformer without shutting down and disassembling the transformer, and solves the problem that in the prior art, moisture in the transformer is mostly removed by recycling the transformer to dry the transformer oil inside it, which wastes manpower, material and financial resources, and requires the transformer to be dismantled and replaced with a new one, and the safety of the transformer cannot be guaranteed at all times.

[0006] (II) Technical solution

[0007] The utility model solves the above-mentioned technical problem with the following technical solution: a transformer oil drying treatment device, comprising a transformer main body, a rectangular inner cavity fixedly connected to the left side of the transformer main body, a plurality of heating plates adapted to the rectangular inner cavity are arranged inside the rectangular inner cavity, an oil inlet pipe extending into and connected to the inside of the rectangular inner cavity is fixedly connected to the top of the rectangular inner cavity, a circulating pump whose output end is connected to the oil inlet pipe is fixedly connected to one end of the oil inlet pipe away from the rectangular inner cavity, an input end of the circulating pump is fixedly connected to the left side of the transformer main body and connected to the inside of the transformer main body, an oil outlet pipe connected to the transformer main body is fixedly connected to the bottom of the rectangular inner cavity, a vacuum pump whose input end is connected to the oil inlet is arranged on the top of the rectangular inner cavity, a gas circulation component connected to the top of the rectangular inner cavity, a drying component connected to the gas circulation component is arranged inside the gas circulation component, a mounting frame is fixedly connected to the inner cavity top wall of the rectangular inner cavity, an airflow driven component adapted to the oil inlet pipe and extending into the gas circulation component is arranged inside the mounting frame.

[0008] The beneficial effects of the utility model are as follows: the heating plate, the circulation pump, the vacuum pump and the external power supply are electrically connected, the circulation pump extracts the oil inside the transformer body, and transports it to the rectangular inner cavity through the oil inlet pipe, the oil entering the rectangular inner cavity contacts the heating plate, and then the heating plate heats the oil entering the rectangular inner cavity, in the above process, the vacuum pump works, so that the heated oil is in a negative pressure environment, the water in the oil begins to boil, and the generated water vapor is separated from the oil, at the same time, the oil enters the rectangular inner cavity through the oil inlet pipe, the oil flushes the airflow driven component, and then drives the airflow driven component to move, the airflow driven component causes the water vapor separated from the oil to enter the gas circulation component, and the drying component absorbs the water vapor in the airflow, so that the transformer oil in the transformer body can be dried.

[0009] The transformer oil drying treatment device has the advantage of being able to dry the transformer oil inside the transformer without stopping or disassembling the transformer.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the inner wall of the rectangular inner cavity is provided with a plurality of heating plates which are staggered left and right.

[0012] The beneficial effect of adopting the above further solution is that the oil enters the rectangular inner cavity and flows through the heating plates staggered on the left and right, so that the oil can be fully heated.

[0013] Further, the gas circulation assembly includes a mounting tank and a return pipe, the top of the rectangular inner cavity is fixedly connected with a mounting tank extending into the interior and communicating with the mounting tank, and the top of the mounting tank is fixedly connected with a return pipe communicating with the mounting tank and the rectangular inner cavity;

[0014] Furthermore, the drying component includes a sealing gasket, a filling tank, a filter cotton layer and a gas desiccant. The bottom wall of the inner cavity of the installation tank is provided with a sealing gasket adapted thereto, and the top of the sealing gasket is provided with a filling tank adapted thereto. The interior of the filling tank is provided with a filter cotton layer symmetrically distributed up and down, and the filling tank is filled with a gas desiccant on the opposite side of the filter cotton layer. The top of the filling tank is provided with a sealing gasket adapted thereto and a reflux pipe.

[0015] The beneficial effect of adopting the above further scheme is that the water vapor separated from the oil enters the installation tank with the air flow, passes through the filling tank, and the gas desiccant in the filling tank can absorb the water vapor in the air flow, and the treated air flow returns to the rectangular inner cavity through the reflux pipe.

[0016] Furthermore, the airflow driving component includes a propeller blade with a rod, a fan blade with a rod, a pulley and a synchronous belt. The bottom of the mounting frame is rotatably connected to a propeller blade with a rod extending above it and adapted to the oil inlet pipe. The bottom of the mounting frame is rotatably connected to a fan blade with a rod extending into the mounting tank. The bottoms of the propeller blade with a rod and the fan blade with a rod are fixedly connected to a pulley, and the outer side of the pulley is provided with the same synchronous belt.

[0017] The beneficial effect of adopting the above further scheme is that the oil enters the rectangular inner cavity through the oil inlet pipe, the oil flushes the propeller blades with rods, and then drives the propeller blades with rods to rotate, thereby driving the fan blades with rods to rotate through the pulley and the synchronous belt, and the fan blades with rods drive the airflow and water vapor separated from the oil into the installation tank. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a cross-sectional view of the rectangular inner cavity structure of the utility model;

[0020] Figure 3 This is a left view of the gas circulation component structure of the utility model;

[0021] Figure 4 This is a cross-sectional view of the filling tank structure of the utility model;

[0022] Figure 5 It is an enlarged schematic diagram of the structure at point a of the utility model.

[0023] In the figure: 1. transformer body; 2. rectangular inner cavity; 3. heating plate; 4. oil inlet pipe; 5. circulation pump; 6. oil outlet pipe; 7. vacuum pump; 8. gas circulation assembly; 801. mounting tank; 802. return pipe; 9. drying assembly; 901. sealing gasket; 902. filling tank; 903. filter cotton layer; 904. gas desiccant; 10. mounting frame; 11. air flow driven assembly; 111. propeller blade with rod; 112. fan blade with rod; 113. pulley; 114. synchronous belt. DETAILED DESCRIPTION

[0024] 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.

[0025] In the embodiment, Figure 1-5 A transformer oil drying treatment device is provided. The utility model comprises a transformer body 1, a rectangular inner cavity 2 is fixedly connected to the left side of the transformer body 1, a plurality of heating plates 3 adapted to the rectangular inner cavity 2 are arranged inside the rectangular inner cavity 2, an oil inlet pipe 4 extending into and connected to the top of the rectangular inner cavity 2 is fixedly connected, one end of the oil inlet pipe 4 away from the rectangular inner cavity 2 is fixedly connected to a circulating pump 5 whose output end is connected to the circulating pump 5, an input end of the circulating pump 5 is fixedly connected to the left side of the transformer body 1 and connected to the inside of the transformer body 1, an oil outlet pipe 6 connected to the bottom of the rectangular inner cavity 2 is fixedly connected to the transformer body 1 and connected to the transformer body 1, a vacuum pump 7 whose input end is connected to the top of the rectangular inner cavity 2 is arranged, a gas circulation component 8 connected to the top of the rectangular inner cavity 2 is arranged, a drying component 9 connected to the gas circulation component 8 is arranged inside the gas circulation component 8, a mounting frame 10 is fixedly connected to the inner cavity top wall of the rectangular inner cavity 2, an airflow driving component 11 adapted to the oil inlet pipe 4 and extending into the gas circulation component 8 is arranged inside the mounting frame 10;

[0026] The inner wall of the rectangular inner cavity 2 is provided with a plurality of heating plates 3 which are staggered in the left and right directions;

[0027] The oil enters the rectangular inner cavity 2 and flows through the heating plates 3 which are staggered on the left and right sides, so that the oil can be fully heated;

[0028] The gas circulation assembly 8 includes a mounting tank 801 and a return pipe 802. The top of the rectangular inner cavity 2 is fixedly connected with the mounting tank 801 extending into the inner cavity and communicating therewith. The top of the mounting tank 801 is fixedly connected with the return pipe 802 communicating therewith and communicating with the rectangular inner cavity 2.

[0029] The drying component 9 includes a sealing gasket 901, a filling tank 902, a filter cotton layer 903 and a gas desiccant 904. The bottom wall of the inner cavity of the installation tank 801 is provided with a sealing gasket 901 adapted thereto. The top of the sealing gasket 901 is provided with a filling tank 902 adapted thereto. The inside of the filling tank 902 is provided with a filter cotton layer 903 symmetrically distributed up and down. The filling tank 902 is filled with a gas desiccant 904 on the opposite side of the filter cotton layer 903. The top of the filling tank 902 is provided with a sealing gasket 901 adapted thereto and the return pipe 802.

[0030] The water vapor separated from the oil enters the installation tank 801 along with the air flow, passes through the filling tank 902, and the gas desiccant 904 in the filling tank 902 can absorb the water vapor in the air flow. The treated air flow returns to the rectangular inner cavity 2 through the return pipe 802;

[0031] The airflow driven assembly 11 includes a propeller blade 111 with a rod, a fan blade 112 with a rod, a pulley 113 and a synchronous belt 114. The bottom of the mounting frame 10 is rotatably connected to a propeller blade 111 extending above it and adapted to the oil inlet pipe 4. The bottom of the mounting frame 10 is rotatably connected to a fan blade 112 with a rod extending into the mounting tank 801. The bottoms of the propeller blade 111 and the fan blade 112 with a rod are fixedly connected to a pulley 113. The outer side of the pulley 113 is provided with the same synchronous belt 114.

[0032] The oil enters the rectangular inner cavity 2 through the oil inlet pipe 4, and the oil flushes the rod blade 111, thereby driving the rod blade 111 to rotate, thereby driving the rod fan blade 112 to rotate through the pulley 113 and the synchronous belt 114, and the rod fan blade 112 drives the airflow and the water vapor separated from the oil into the installation tank 801.

[0033] Working principle:

[0034] The first step: electrically connect the heating plate 3, the circulating pump 5, the vacuum pump 7 and the external power supply, the circulating pump 5 extracts the oil inside the transformer body 1, transports it to the rectangular inner cavity 2 through the oil inlet pipe 4, and flows through the heating plates 3 staggered on the left and right to fully heat the oil;

[0035] Step 2: During the above process, the vacuum pump 7 works, so that the heated oil is in a negative pressure environment, the water in the oil begins to boil, and the generated water vapor is separated from the oil. At the same time, the oil enters the rectangular inner cavity 2 through the oil inlet pipe 4, and the oil flushes the rod blade 111, which then drives the rod blade 111 to rotate, thereby driving the rod blade 112 to rotate through the pulley 113 and the synchronous belt 114, and the rod blade 112 drives the airflow and the water vapor separated from the oil to enter the installation tank 801;

[0036] Step 3: The water vapor separated from the oil enters the installation tank 801 along with the air flow, passes through the filling tank 902, and the gas desiccant 904 in the filling tank 902 can absorb the water vapor in the air flow, and the treated air flow returns to the rectangular inner cavity 2 through the return pipe 802. In this way, the transformer oil in the transformer body 1 can be dried by repeating the cycle, and the transformer oil can be dried without shutting down and disassembling the transformer.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transformer oil drying device, comprising a transformer body (1), characterized in that: A rectangular inner cavity (2) is fixedly connected to the left side of the transformer body (1), a plurality of heating plates (3) adapted to the rectangular inner cavity (2) are arranged inside the rectangular inner cavity (2), an oil inlet pipe (4) extending into and communicating with the rectangular inner cavity (2) is fixedly connected to the top of the rectangular inner cavity (2), an end of the oil inlet pipe (4) away from the rectangular inner cavity (2) is fixedly connected to a circulating pump (5) whose output end is communicated with the circulating pump (5), an input end of the circulating pump (5) is fixedly connected to the left side of the transformer body (1) and communicates with the inside of the transformer body (1), and a bottom of the rectangular inner cavity (2) is fixedly connected to the bottom of the rectangular inner cavity (2). An oil outlet pipe (6) is fixedly connected to the rectangular inner cavity (2) and is in communication with the rectangular inner cavity (2) and the transformer body (1). A vacuum pump (7) is provided at the top of the rectangular inner cavity (2) and is in communication with the input end. A gas circulation component (8) is provided at the top of the rectangular inner cavity (2) and is in communication with the rectangular inner cavity. A drying component (9) is provided inside the gas circulation component (8) and is in communication with the rectangular inner cavity. A mounting frame (10) is fixedly connected to the inner cavity top wall of the rectangular inner cavity (2). An airflow driving component (11) is provided inside the mounting frame (10) and is adapted to the oil inlet pipe (4) and extends into the gas circulation component (8).

2. A transformer oil drying device according to claim 1, characterized in that: The inner wall of the rectangular inner cavity (2) is provided with a plurality of heating plates (3) which are staggeredly distributed left and right.

3. A transformer oil drying device according to claim 1, characterized in that: The gas circulation component (8) comprises a mounting tank (801) and a return pipe (802); the top of the rectangular inner cavity (2) is fixedly connected to the mounting tank (801) extending into the interior of the mounting tank and communicating with the mounting tank; the top of the mounting tank (801) is fixedly connected to the return pipe (802) communicating with the mounting tank and the rectangular inner cavity (2).

4. A transformer oil drying device according to claim 3, characterized in that: The drying component (9) comprises a sealing gasket (901), a filling tank (902), a filter cotton layer (903) and a gas desiccant (904); the bottom wall of the inner cavity of the installation tank (801) is provided with a sealing gasket (901) adapted thereto; the top of the sealing gasket (901) is provided with a filling tank (902) adapted thereto; the interior of the filling tank (902) is provided with a filter cotton layer (903) symmetrically distributed up and down; the filling tank (902) is filled with a gas desiccant (904) on the opposite side of the filter cotton layer (903); and the top of the filling tank (902) is provided with a sealing gasket (901) adapted thereto and the return pipe (802).

5. A transformer oil drying device according to claim 4, characterized in that: The airflow driving component (11) comprises a propeller blade with a rod (111), a fan blade with a rod (112), a pulley (113) and a synchronous belt (114); the bottom of the mounting frame (10) is rotatably connected to a propeller blade with a rod (111) extending above the propeller blade (111) and adapted to the oil inlet pipe (4); the bottom of the mounting frame (10) is rotatably connected to a fan blade with a rod (112) extending into the mounting tank (801); the bottoms of the propeller blade with a rod (111) and the fan blade with a rod (112) are fixedly connected to a pulley (113); the outer side of the pulley (113) is provided with a same synchronous belt (114).

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