Oil storage tank for frying machine

By designing an oil storage tank for the fryer, setting up oil inlet, oil replenishment, and oil return pipelines, and equipping it with electric valves and an oil return pump, the safety hazards and high costs in the oil replenishment process of the fryer are solved, and oil management that is simple to operate and safe and reliable is achieved.

CN223879452UActive Publication Date: 2026-02-06GELGOOG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520616430.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-02-06
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

The existing oil replenishment process for fryers poses safety hazards. Using two separate pipelines and two oil pumps is costly and takes up a lot of space. Using one pipeline and two oil pumps results in high labor costs and frequent valve switching, which can easily lead to errors.

Method used

An oil storage tank for a fryer was designed, which is equipped with an oil inlet pipe, an oil replenishment pipe and an oil return pipe, and is equipped with a first manual valve, a second manual valve and an electric valve. The electric valve automatically replenishes oil, reducing manual operation; an oil return pump and an oil return pipe are set up to realize automatic oil return.

Benefits of technology

It reduces piping requirements, occupies less space, is easy to operate, lowers labor costs, improves safety and reliability, and saves costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223879452U_ABST
    Figure CN223879452U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of fryers, in particular to an oil storage tank for a fryer, which comprises a tank body, an oil inlet pipeline, an oil supplementing pipeline and an oil return pipeline, the oil inlet pipeline, the oil supplementing pipeline and the oil return pipeline are arranged on the same side of the tank body, two ends of the oil inlet pipeline are fixedly connected and communicated with the bottom of the tank body and an inlet of a frying box of the fryer respectively, and a first manual valve is fixedly arranged on the oil inlet pipeline. The two ends of the oil supplementing pipeline are fixedly connected and communicated with the oil inlet pipeline, the first manual valve is located between the two connecting points of the oil return pipeline and the oil inlet pipeline, and the oil supplementing pipeline is sequentially and fixedly provided with a second manual valve and an electric valve in the oil supplementing direction. The two ends of the oil return pipeline are fixedly connected and communicated with the top of the tank body and an oil outlet of the oil return pump respectively, the oil return pump is fixedly arranged outside the tank body, and an oil inlet of the oil return pump is fixedly connected and communicated with an outlet of a frying box of the frying machine. The oil storage tank for the fryer can realize oil feeding, oil supplementing and oil returning, and is convenient to operate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of frying machine, concretely relates to a frying machine oil storage tank. BACKGROUND

[0002] The frying machine is a kind of equipment specially used for food to realize high-temperature frying cooking by energy such as electricity, gas, fuel oil, biofuel, etc., and is mainly used in the processes such as rapid shaping, puffing, curing and dehydration of food, and is a common processing equipment in food processing. There are two ways to supplement oil during the use of the existing frying machine. The first way is manual oil supplementing, but since the oil temperature inside the frying machine is too high during frying, manual oil supplementing has safety hazards, and people are easy to be scalded, and the cold oil may cause the frying pot phenomenon when being supplemented into hot oil. The second way is to supplement oil by pumping from the oil storage tank through an oil pump. When two separate pipelines are used and equipped with two oil pumps, one pipeline and one oil pump are used as a supplementing pump, and the other pipeline and the other oil pump are used as a returning pump, which has high cost and occupies large space. When one pipeline is used and equipped with two oil pumps to realize supplementing and returning, the valve on the pipeline usually needs to be switched back and forth, which not only wastes labor cost, but also is easy to make mistakes due to frequent switching of the valve. Therefore, there is an urgent need for a frying machine oil storage tank to solve the above problems. SUMMARY

[0003] In order to solve the technical problems that there are safety hazards when people supplement oil to the frying machine, the cost is high and the space is large when two separate pipelines are used and equipped with two oil pumps to realize supplementing and returning, and the labor cost is high and the valve is easy to make mistakes due to frequent switching when one pipeline is used and equipped with two oil pumps to realize supplementing and returning, the utility model provides a frying machine oil storage tank, which is provided with an oil inlet pipeline, a supplementing pipeline and a first manual valve, a second manual valve and an electric valve, realizes oil inlet or supplementing to the frying tank of the frying machine, occupies small space and is easy to operate, the supplementing is automatically realized through the electric valve, reduces labor cost, and the oil in the frying tank of the frying machine is pumped back to the oil storage tank for storage through the cooperation of the returning pump and the returning pipeline.

[0004] The utility model provides a kind of oil tank for fryer, including tank body and the oil inlet pipeline, oil supplement pipeline and oil return pipeline being located at the same side of tank body, the both ends of oil inlet pipeline are respectively fixedly connected with the bottom of tank body, the inlet of fryer's frying box and communicate, first manual valve is fixedly arranged on oil inlet pipeline, the both ends of oil supplement pipeline are fixedly connected with oil inlet pipeline and communicate, first manual valve is located in the middle of the two connection points of oil return pipeline and oil inlet pipeline, second manual valve and electric valve are sequentially fixedly arranged along oil supplement direction in oil supplement pipeline, the both ends of oil return pipeline are respectively fixedly connected with the top of tank body, the oil outlet of oil return pump and communicate, oil return pump is fixedly arranged outside tank body, the oil inlet of oil return pump is fixedly connected with the outlet of fryer's frying box and communicates.

[0005] Further, the tank body includes a tank body and two semicircular cover bodies, the top of the tank body is provided with an opening, a support beam is fixedly arranged at the center of the tank body opening, the support beam divides the tank body opening into two symmetrical semicircular regions, two semicircular cover bodies are respectively detachably arranged at the two semicircular regions, and the two semicircular cover bodies are respectively located on the two sides of the oil inlet pipeline, the oil supplement pipeline and the oil return pipeline. The end of the oil inlet pipeline is fixedly connected with the bottom of the tank body and communicates. The oil return pump is fixedly arranged outside the tank body. The middle part of the oil return pipeline is fixedly arranged on the outer wall of the tank body by a pipe clamp support. The top of the oil return pipeline is fixedly connected with the hollow pipe penetratingly arranged on the support beam. The two semicircular cover bodies seal the two semicircular regions, preventing external impurities from entering the tank body and affecting the quality of the oil.

[0006] Further, a support rod is fixedly arranged at the opening of the tank body. The middle part of the support beam is fixedly arranged above the support rod, and the support beam is perpendicular to the support rod. The two ends of the support beam are fixedly connected with the top of the tank body. The support beam is perpendicular to the support rod. The support rod and the support beam are located at the opening of the tank body, which can increase the strength of the tank body and support and fix the two semicircular cover bodies.

[0007] Further, U-shaped fixing grooves are arranged on the two sides of the support beam. U-shaped fixing blocks are fixedly arranged on the horizontal edges of each semicircular cover body. The U-shaped fixing blocks and the U-shaped fixing grooves are clamped together. Cover rails are fixedly arranged on the arc edges of each semicircular cover body. The cover rails contact the outer wall of the tank body. The U-shaped fixing blocks and the U-shaped fixing grooves are clamped together, and the cover rails contact the outer wall of the tank body, which fixes the semicircular cover bodies on the support beam and the tank body.

[0008] Further, the pipe clamp support comprises a connecting column and two pipe clamps, the two pipe clamps are fixedly connected on the oil return pipeline through nuts, and the connecting column is fixedly connected between one of the pipe clamps and the outer wall of the tank body. Through the connecting column and the two pipe clamps, the middle part of the oil return pipeline is fixed on the outer wall of the tank body.

[0009] Further, the bottom of the tank body is in an inverted conical shape, a plurality of supporting legs are uniformly arranged around the bottom of the tank body, a reinforcing rod is fixedly connected between adjacent two supporting legs, a sewage outlet is arranged at the center position of the bottom of the tank body, the sewage outlet is fixedly connected with a sewage pipeline, and a third manual valve is fixedly arranged on the sewage pipeline. The plurality of supporting legs support the tank body and the semicircular cover body, and the reinforcing rod increases the structural strength of the supporting legs. When the first manual valve, the second manual valve and the electric valve are closed, the third manual valve is opened, the tank body is manually flushed, and the cleaning liquid carries the fried waste residues out of the tank body, and the two are discharged from the sewage outlet and the sewage pipeline.

[0010] Further, a crawling ladder is detachably arranged outside the tank body, the crawling ladder is arranged in an inclined mode and located at the side of the arc-shaped side of the semicircular cover body, the bottom of the crawling ladder is in contact with the working ground, a supporting plate is fixedly arranged at the top of the outer wall of the tank body, the top of the crawling ladder is in contact with the supporting plate, a clamping plate is fixedly arranged at the top of the crawling ladder, and a clamping groove is arranged on the clamping plate and clamped on the supporting plate. The crawling ladder is used for opening and closing the semicircular cover body.

[0011] Further, a magnetic reed liquid level meter is fixedly arranged on the outer wall of the tank body, the magnetic reed liquid level meter is located on the side of the tank body close to the oil return pipeline, and a fixed pipe is fixedly arranged at the top and the bottom of the outer wall of the tank body. The top and the bottom of the magnetic reed liquid level meter are fixedly connected with the two fixed pipes through flanges and communicate with each other. The magnetic reed liquid level meter can directly observe the oil level in the oil storage tank.

[0012] Further, one end of the connecting pipeline is fixedly connected with the oil inlet of the oil return pump and communicates with each other, the other end of the connecting pipeline is fixedly connected with the outlet of the frying box of the frying machine and communicates with each other, and a fourth manual valve is fixedly arranged on the connecting pipeline. When the oil is returned, the first manual valve, the second manual valve and the electric valve are closed, the fourth manual valve is opened, the oil return pump is started, and the oil in the frying box of the frying machine is re-pumped into the oil storage tank through the connecting pipeline and the oil return pipeline for storage.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] The utility model discloses an oil tank for frying machine, which is characterized by the following: an oil inlet pipeline, an oil supplement pipeline, a first manual valve, a second manual valve and an electric valve are arranged on the tank body, the pipeline configuration is reduced, oil can be supplied to or supplemented in the frying tank of the frying machine, the space occupied is small, the operation is convenient, and the maintenance cost in the later period is reduced; the oil supplement is automatically realized through the electric valve, the labor cost is reduced, and the safety and reliability are improved; an oil return pump is arranged, the cost is saved, and the oil return pump and an oil return pipeline are arranged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of an oil tank for frying machine of the utility model;

[0016] Figure 2 is the structure of the utility model Figure 1 in the structure of A is enlarged and shows a schematic diagram;

[0017] Figure 3 is the structure of the utility model Figure 1 in the structure of B is enlarged and shows a schematic diagram;

[0018] Figure 4 is the structure of the utility model Figure 1 in the structure of C is enlarged and shows a schematic diagram;

[0019] Figure 5 the tank body of the utility model is a top view structural schematic diagram;

[0020] Figure 6 the tank body of the utility model is a side view structural schematic diagram;

[0021] Figure 7 the structure of the semicircular cover body of the utility model is a schematic diagram;

[0022] Figure 8 the structure of the semicircular cover body of the utility model is a sectional view schematic diagram;

[0023] the reference numerals in the drawings are:

[0024] 1, tank body; 11, tank body; 12, semicircular cover body; 121, U-shaped fixing block; 122, cover edge; 13, support beam; 131, hollow pipe; 132, U-shaped fixing groove; 14, support rod; 15, support leg; 16, reinforcing rod; 17, support plate; 18, fixed pipe; 2, oil inlet pipeline; 21, first manual valve; 3, oil supplement pipeline; 31, second manual valve; 32, electric valve; 4, oil return pipeline; 41, pipe clamp support; 411, connecting column; 412, pipe clamp; 5, oil return pump; 51, fixed plate; 52, support foot; 6, blowdown pipeline; 61, third manual valve; 7, ladder; 71, clamping plate; 8, magnetic flap liquid level meter; 9, connecting pipeline; 91, fourth manual valve. DETAILED DESCRIPTION

[0025] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0026] As Figures 1-8 As shown in the figure, an oil tank for a fryer, the oil tank is generally fixed on the side of the fryer, the oil tank comprises a tank body 1 and an oil inlet pipeline 2, an oil supplement pipeline 3 and an oil return pipeline 4 arranged on the same side of the tank body 1, both ends of the oil inlet pipeline 2 are fixedly connected with the bottom of the tank body 1 and the inlet of the frying box of the fryer and communicate with each other, a first manual valve 21 is fixedly arranged on the oil inlet pipeline 2, both ends of the oil supplement pipeline 3 are fixedly connected with the oil inlet pipeline 2 and communicate with each other, the first manual valve 21 is located in the middle of the two connection points of the oil return pipeline 4 and the oil inlet pipeline 2, the oil supplement pipeline 3 is fixedly arranged with a second manual valve 31 and an electric valve 32 in sequence along the oil supplement direction, both ends of the oil return pipeline 4 are fixedly connected with the top of the tank body 1 and the oil outlet of an oil return pump 5 and communicate with each other, the oil return pump 5 is fixedly arranged outside the tank body 1, and the oil inlet of the oil return pump 5 is fixedly connected with the outlet of the frying box of the fryer and communicates with each other. In the embodiment, the position of the connection point of the oil inlet pipeline 2 and the bottom of the tank body 1 is higher than the position of the highest liquid level in the frying box of the fryer, so that the oil flows into the frying box of the fryer through the oil inlet pipeline 2.

[0027] The oil inlet process: before the frying box of the fryer performs the frying work, the first manual valve 21, the second manual valve 31 and the electric valve 32 are manually opened (the low liquid level signal is received), the oil in the tank body 1 flows through the oil inlet pipeline 2 and the oil supplement pipeline 3 and finally flows into the frying box of the fryer through the oil inlet pipeline 2, when the oil reaches the set liquid level, the oil inlet process is completed, the first manual valve 21 is manually closed, the electric valve 32 is also automatically closed (the high liquid level signal is received), and the second manual valve 31 continues to be opened.

[0028] The oil supplement process: as the frying work of the fryer is performed, the oil level in the fryer is reduced until the low liquid level signal is triggered, the electric valve 32 is automatically opened, the oil in the oil tank flows through the connection point of the oil inlet pipeline 2 and the bottom of the tank body 1, the oil supplement pipeline 3 and finally flows into the frying box of the fryer through the oil inlet pipeline 2, when the oil is supplemented to the set liquid level and the high liquid level signal is triggered, the electric valve 32 is closed, the oil supplement is stopped, and the oil level in the fryer is always maintained at the set liquid level.

[0029] The oil return process: when the frying work of the fryer is completed, the second manual valve 31 is manually closed, at this time, the first manual valve 21, the second manual valve 31 and the electric valve 32 are all in the closed state. The oil return pump 5 is started, the oil in the frying box of the fryer is pumped back to the oil tank through the oil return pipeline 4 for storage.

[0030] The oil storage tank of the embodiment is provided with an oil inlet pipeline 2, an oil supplement pipeline 3, and a first manual valve 21, a second manual valve 31 and an electric valve 32, reduces pipeline configuration, realizes oil feeding or oil supplementing into the frying tank of the fryer, occupies small space, is convenient to operate, and also reduces the later maintenance cost; the oil supplementing is automatically realized through the electric valve 32, reduces the labor cost, and increases safety and reliability; an oil return pump 5 is arranged, cost is saved, and the oil channel in the frying tank of the fryer is realized to be pumped back to the oil storage tank for storage through cooperation of the oil return pump 5 and an oil return pipeline 4.

[0031] The oil storage tank of the embodiment can realize oil feeding, oil supplementing and oil returning, is convenient to operate, can save cost and reduce occupied space, and safety and reliability in use are also guaranteed.

[0032] As an implementable manner, the tank body 1 comprises a tank body 11 and two semicircular cover bodies 12, the top of the tank body 11 is provided with an opening, a support beam 13 is fixedly arranged at the center position of the opening of the tank body 11, the support beam 13 divides the opening of the tank body 11 into two symmetrical semicircular regions, two semicircular cover bodies 12 are respectively detachably arranged at the two semicircular regions, the two semicircular cover bodies 12 are respectively located on the two sides of the oil inlet pipeline 2, the oil supplement pipeline 3 and the oil return pipeline 4, the end of the oil inlet pipeline 2 is fixedly connected with the bottom of the tank body 11 and communicates with each other, the oil return pump 5 is fixedly arranged outside the tank body 11, the middle part of the oil return pipeline 4 is fixedly arranged on the outer wall of the tank body 11 through a pipe clamp support 41, the top of the oil return pipeline 4 is fixedly connected with a hollow pipe 131 penetratingly arranged on the support beam 13, specifically, the hollow pipe 131 is penetratingly arranged on the support beam 13, the top of the oil return pipeline 4 is fixedly connected with the hollow pipe 131 through a joint, the oil return pipeline 4 communicates with the inside of the tank body 11, and the bottom of the oil return pipeline 4 is fixedly connected with the oil outlet of the oil return pump 5 and communicates with each other. Wherein, the positions of the oil inlet pipeline 2, the oil supplement pipeline 3 and the oil return pipeline 4 do not affect the opening or closing of the semicircular cover bodies 12.

[0033] The two semicircular cover bodies 12 seal the two semicircular regions, avoid external impurities from entering the inside of the tank body 11 to affect the quality of the oil. Meanwhile, the two semicircular cover bodies 12 can be opened or closed according to requirements, the semicircular cover bodies 12 are opened when new oil needs to be filled into the tank body 11 or the tank body 11 needs to be flushed, and the semicircular cover bodies 12 are closed when the tank body 1 normally feeds oil, supplements oil and returns oil.

[0034] Preferably, a handle is arranged on each semicircular cover body 12. The handle facilitates the opening or closing of the semicircular cover bodies 12.

[0035] Preferably, the oil return pipe 4 is multi-sectioned, and the oil return pipe 4 comprises a first pipe section and a second pipe section fixedly connected, the middle part of the first pipe section is fixedly connected to the outer wall of the tank body 11 through a pipe clamp support 41, the end part of the first pipe section is fixedly connected to the hollow pipe 131, and the end part of the second pipe section is fixedly connected to the oil outlet of the oil return pump 5.

[0036] As an implementable mode, the opening of the tank body 11 is fixedly provided with a support rod 14, the middle part of the support beam 13 is fixedly arranged above the support rod 14 and the support beam 13 is perpendicular to the support rod 14, and the two ends of the support beam 13 are fixedly connected to the top of the tank body 11. The support beam 13 is perpendicular to the support rod 14, the support rod 14 and the support beam 13 are located at the opening of the tank body 11, which can increase the strength of the tank body 11 and also support and fix the two semicircular cover bodies 12.

[0037] As an implementable mode, the two sides of the support beam 13 are provided with U-shaped fixing grooves 132, the horizontal edges of each semicircular cover body 12 are fixedly provided with U-shaped fixing blocks 121, the U-shaped fixing blocks 121 and the U-shaped fixing grooves 132 are clamped, and the arc edges of each semicircular cover body 12 are fixedly provided with cover edges 122, which are in contact with the outer wall of the tank body 11. The U-shaped fixing blocks 121 and the U-shaped fixing grooves 132 are clamped, and the cover edges 122 are in contact with the outer wall of the tank body 11, so as to fix the semicircular cover bodies 12 on the support beam 13 and the tank body 11.

[0038] As an implementable mode, the pipe clamp support 41 is provided with two, the pipe clamp support 41 comprises a connecting column 411 and two pipe clamps 412, the two pipe clamps 412 are fixedly connected to the oil return pipe 4 through nuts and bolts, and the connecting column 411 is fixedly connected between one of the pipe clamps 412 and the outer wall of the tank body 11. Through the connecting column 411 and the two pipe clamps 412, the middle part of the oil return pipe 4 is fixed to the outer wall of the tank body 11.

[0039] As an implementable manner, the bottom of the tank body 11 is inverted conical, a plurality of supporting legs 15 are uniformly arranged around the bottom of the tank body 11, a reinforcing rod 16 is fixedly connected between adjacent two supporting legs 15, a blowdown port is arranged at the center position of the bottom of the tank body 11, the blowdown port is fixedly connected with a blowdown pipeline 6, and a third manual valve 61 is fixedly arranged on the blowdown pipeline 6. The plurality of supporting legs 15 support the tank body 11 and the semicircular cover body 12, and the reinforcing rod 16 increases the structural strength of the supporting leg 15. When the oil storage tank is in oil feeding, oil supplementing and oil returning, the third manual valve 61 is closed. After regular use, the tank body 11 can be flushed. The bottom of the tank body 11 can accumulate fried waste residues, after the oil in the tank body 11 is emptied, the first manual valve 21, the second manual valve 31 and the electric valve 32 are closed, the third manual valve 61 is opened, the tank body 11 is manually flushed, the fried waste residues are taken out from the inside of the tank body 11 by the cleaning liquid, and the two are discharged from the blowdown port and the blowdown pipeline 6.

[0040] As an implementable manner, a ladder 7 is detachably arranged outside the tank body 11, the ladder 7 is arranged in an inclined manner and located at the side of the arc-shaped side of the semicircular cover body 12, the position of the ladder 7 does not interfere with the oil feeding pipeline 2, the oil supplementing pipeline 3 and the oil returning pipeline 4, and the ladder 7 can be provided with one or two; the bottom of the ladder 7 is in contact with the working ground, the top of the outer wall of the tank body 11 is fixedly provided with a supporting plate 17, the top of the ladder 7 is in contact with the supporting plate 17, the top of the ladder 7 is fixedly provided with a clamping plate 71, and the clamping plate 71 is provided with a clamping groove and the clamping groove is clamped on the supporting plate 17. The semicircular cover body 12 is opened and closed through the ladder 7. The supporting plate 17 supports the top of the ladder 7, the clamping groove on the clamping plate 71 is clamped on the supporting plate 17, the top of the ladder 7 is ensured to be fixed, the working ground supports the bottom of the ladder 7, the ladder 7 is arranged in an inclined manner, a person is easy to climb and the person can safely move on the ladder 7.

[0041] As an implementable manner, a magnetic reed liquid level meter 8 is fixedly arranged on the outer wall of the tank body 11, and the magnetic reed liquid level meter 8 is located on the side of the tank body 11 close to the oil returning pipeline 4; the top and the bottom of the outer wall of the tank body 11 are fixedly provided with fixed pipes 18, and the top and the bottom of the magnetic reed liquid level meter 8 are fixedly connected with the two fixed pipes 18 through flanges and are communicated (fixed in a locking mode). The structure of the magnetic reed liquid level meter 8 is prior art, and will not be described in detail here. The magnetic reed liquid level meter 8 usually has a transparent tube and a scale, and the oil level in the oil storage tank can be directly observed. When the oil level in the oil storage tank is too low to be used by the fryer, oil supplementing can be temporarily stopped.

[0042] As an implementable mode, the oil inlet of the oil return pump 5 is fixedly connected with one end of the connecting pipeline 9 and communicates with the other end of the connecting pipeline 9, the other end of the connecting pipeline 9 is fixedly connected with the outlet of the frying tank of the fryer and communicates with the outlet of the frying tank of the fryer, and the fourth manual valve 91 is arranged on the connecting pipeline 9. When the oil is returned, the first manual valve 21, the second manual valve 31 and the electric valve 32 are closed, the fourth manual valve 91 is opened, the oil return pump 5 is started, and the oil in the frying tank of the fryer is returned to the oil storage tank through the connecting pipeline 9 and the oil return pipeline 4 for storage.

[0043] Preferably, the oil return pump 5 is fixedly arranged on the working ground and located outside the tank body 11. The bottom of the oil return pump 5 is provided with a fixing plate 51, the fixing plate 51 is fixedly connected with supporting legs 52 through nuts, and the supporting legs 52 are in contact with the working ground to support the oil return pump 5.

[0044] The above-mentioned embodiments are only preferred embodiments of the present application, and are only used to explain the present application, and are not intended to limit the scope of the present application. For those skilled in the art, of course, other embodiments can be easily obtained by replacing or changing the disclosed technical contents in the present application, and therefore, any changes and improvements made on the basis of the principles and technical conditions of the present application shall be included in the scope of the present application.

Claims

1. An oil storage tank for a fryer, comprising a tank body (1) and an oil inlet pipe (2), an oil replenishment pipe (3) and an oil return pipe (4) provided on the same side of the tank body (1), characterized in that, The two ends of the oil inlet pipeline (2) are fixedly connected with the bottom of the tank body (1) and the inlet of the frying tank of the fryer and communicate with each other, a first manual valve (21) is fixedly arranged on the oil inlet pipeline (2), the two ends of the oil supplement pipeline (3) are fixedly connected with the oil inlet pipeline (2) and communicate with each other, the first manual valve (21) is located between the two connection points of the oil return pipeline (4) and the oil inlet pipeline (2), the oil supplement pipeline (3) is sequentially fixedly provided with a second manual valve (31) and an electric valve (32) in the oil supplement direction, the two ends of the oil return pipeline (4) are fixedly connected with the top of the tank body (1) and the oil outlet of the oil return pump (5) and communicate with each other, the oil return pump (5) is fixedly arranged outside the tank body (1), and the oil inlet of the oil return pump (5) is fixedly connected with the oil outlet of the frying tank of the fryer and communicates with each other.

2. The oil storage tank of claim 1, wherein The tank body (1) comprises a tank body (11) and two semicircular cover bodies (12), the top of the tank body (11) is provided with an opening, a support beam (13) is fixedly arranged at the center position of the opening of the tank body (11), the support beam (13) divides the opening of the tank body (11) into two symmetrical semicircular regions, and the two semicircular cover bodies (12) are respectively detachably arranged at the two semicircular regions, the two semicircular cover bodies (12) are located on the two sides of the oil inlet pipeline (2), the oil supplement pipeline (3) and the oil return pipeline (4), the end of the oil inlet pipeline (2) is fixedly connected with the bottom of the tank body (11) and communicates with each other, the oil return pump (5) is fixedly arranged outside the tank body (11), the middle part of the oil return pipeline (4) is fixedly arranged on the outer wall of the tank body (11) through a pipe clamp support (41), and the top of the oil return pipeline (4) is fixedly connected with a hollow pipe (131) penetratingly arranged on the support beam (13).

3. The oil storage tank of claim 2, wherein, The opening of the tank body (11) is fixedly provided with a support rod (14), the middle part of the support beam (13) is fixedly arranged above the support rod (14), and the support beam (13) is perpendicular to the support rod (14), and the two ends of the support beam (13) are fixedly connected with the top of the tank body (11).

4. The oil storage tank of claim 3, wherein The two sides of the support beam (13) are provided with U-shaped fixing grooves (132), the horizontal edges of the two semicircular cover bodies (12) are fixedly provided with U-shaped fixing blocks (121), the U-shaped fixing blocks (121) and the U-shaped fixing grooves (132) are clamped, the arc edges of the two semicircular cover bodies (12) are fixedly provided with cover rails (122), and the cover rails (122) are in contact with the outer wall of the tank body (11).

5. The oil storage tank of claim 2, wherein The pipe clamp support (41) comprises a connecting column (411) and two pipe clamps (412), the two pipe clamps (412) are fixedly connected on the oil return pipeline (4) through nuts and bolts, and the connecting column (411) is fixedly connected between one of the pipe clamps (412) and the outer wall of the tank body (11).

6. The oil storage tank of claim 2, wherein The bottom of the tank body (11) is inverted conical, a plurality of supporting legs (15) are uniformly arranged around the bottom of the tank body (11), a reinforcing rod (16) is fixedly connected between every two adjacent supporting legs (15), a pollution discharge port is arranged at the center of the bottom of the tank body (11), the pollution discharge port is fixedly connected with a pollution discharge pipeline (6), and a third manual valve (61) is fixedly arranged on the pollution discharge pipeline (6).

7. The oil storage tank of claim 6, wherein A ladder (7) is detachably arranged outside the tank body (11), the ladder (7) is arranged in an inclined mode and located at the side of the arc-shaped side of the semicircular cover body (12), the bottom of the ladder (7) is in contact with the working ground, a supporting plate (17) is fixedly arranged at the top of the outer wall of the tank body (11), the top of the ladder (7) is in contact with the supporting plate (17), a clamping plate (71) is fixedly arranged at the top of the ladder (7), and a clamping groove is arranged on the clamping plate (71) and clamped on the supporting plate (17).

8. The oil storage tank of claim 2, wherein, A magnetic flap liquid level meter (8) is fixedly arranged on the outer wall of the tank body (11), the magnetic flap liquid level meter (8) is located on the side of the tank body (11) close to the oil return pipeline (4), and a fixing pipe (18) is fixedly arranged at the top and the bottom of the outer wall of the tank body (11). The top and the bottom of the magnetic flap liquid level meter (8) are fixedly connected with the two fixing pipes (18) through flanges and are in communication.

9. The oil storage tank of claim 1, wherein, The oil inlet of the oil return pump (5) is fixedly connected with one end of a connecting pipeline (9) and is in communication, the other end of the connecting pipeline (9) is fixedly connected with the outlet of the frying box of the frying machine and is in communication, and a fourth manual valve (91) is fixedly arranged on the connecting pipeline (9).