Oil return device of waste heat generator set capable of preventing dust from entering

Abstract

The utility model discloses an oil return device of a waste heat generator set capable of preventing dust from entering, which relates to the technical field of oil return devices and comprises a collecting box and a connecting pipe, a settling box is connected below the collecting box, and an impurity box is connected below the settling box. According to the waste heat generator set oil return device capable of preventing dust from entering, when lubricating oil enters the treatment cylinder, a part of dust and particulate matter are prevented from entering the collection box through the filter screen, and the situation that follow-up sedimentation treatment work is affected by too much dust and particulate matter is prevented; during use, the screws can be detached from the two ends of the first clamping ring and the two ends of the second clamping ring firstly, then the first clamping ring and the second clamping ring are pulled upwards or downwards, so that the first clamping ring drives the sealing block to be separated from the arc-shaped groove, and then the pull rod is pulled to drive the filter screen to be separated from the arc-shaped groove of the processing barrel. Filtered dust and particulate matters can be conveniently collected and cleaned, and the practicability of the oil return device of the waste heat generator set is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an oil return device technical field, concretely is an oil return device of waste heat power generating unit of dustproof. BACKGROUND

[0002] Waste heat power generating unit is a kind of equipment using the waste heat generated by industrial process or fuel combustion to generate electricity. It converts waste heat into steam through waste heat boiler, drives steam turbine to drive generator to generate electricity. It is commonly used in high-temperature production industries such as steel, chemical industry, cement, etc., wherein the oil return device of waste heat power generating unit is a device for collecting, filtering and recycling lubricating oil, mainly used to ensure the normal operation of generator set.

[0003] However, during the use of most waste heat power generating unit oil return devices, some dust or particulate matter will be mixed into the oil return device with lubricating oil, and these dust and particulate matter need to be collected through subsequent sedimentation, but a part of dust and particulate matter will accumulate at the inlet of the oil return device, affecting the oil inlet efficiency, so the current waste heat power generating unit oil return device needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an oil return device of waste heat power generating unit to prevent dust from entering, to solve the problem that the current market waste heat power generating unit oil return device will mix some dust or particulate matter into the oil return device with lubricating oil during use, and a part of dust and particulate matter will accumulate at the inlet of the oil return device, affecting the oil inlet efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oil return device of waste heat power generating unit to prevent dust from entering, comprising a collecting box and a connecting pipe, a sedimentation tank is connected below the collecting box, an impurity tank is connected below the sedimentation tank, a base is fixed below the impurity tank, a filter assembly is connected on one side of the sedimentation tank through a transmission assembly, and the filter assembly is connected with the base, the connecting pipe is fixedly connected on one side of the collecting box, a processing cylinder is connected on one side of the connecting pipe through a flange, a dust filtering mechanism is installed on the inner side of the processing cylinder, a liquid inlet pipe is connected on the end of the processing cylinder away from the connecting pipe through a flange, the dust filtering mechanism comprises a sealing block, a No. 1 snap ring, a pull rod and a filter screen, and the inner side of the processing cylinder is provided with a filter screen.

[0006] Preferably, a pull rod is fixed on one side of the filter screen, and a No. 1 snap ring is arranged on the outer side of the processing cylinder.

[0007] Preferably, a sealing block is fixed on one side of the filter screen close to the No. 1 snap ring, and an arc-shaped groove is arranged on one side of the processing cylinder close to the filter screen.

[0008] Preferably, a butt joint hole is arranged in the middle of the sealing block.

[0009] Preferably, one side of the first clamping ring is provided with a second clamping ring, and the second clamping ring is sleeved on the outer side of the processing cylinder.

[0010] Preferably, the two ends of the first clamping ring are threaded through a screw rod, and the inner side of the collecting box is provided with a first stirring rod and a second stirring rod through bearings.

[0011] Preferably, the upper side of the collecting box is provided with a protective cover through bolts, and the upper side of the collecting box near the inside of the protective cover is connected with an exhaust pipe.

[0012] Preferably, the inner side of the protective cover is provided with a stirring mechanism, and the first stirring rod and the second stirring rod are connected with the stirring mechanism.

[0013] Preferably, the stirring mechanism comprises a first gear, a motor and a second gear, the inner side of the protective cover is provided with the motor, and one end of the first stirring rod near the inside of the protective cover is fixedly connected with the first gear.

[0014] Preferably, one side of the first gear is engagedly connected with the second gear, and the second gear is fixedly connected with the second stirring rod, and one end of the second stirring rod near the second gear is connected with the motor through a shaft coupling.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The ash filtering mechanism is arranged, when the lubricating oil enters the processing cylinder, a part of dust and particulate matter is blocked by the filter screen to enter the collecting box, so that the subsequent sedimentation treatment work is not affected by too much dust and particulate matter, when the filter screen needs to be cleaned and replaced, the screw rod can be disassembled from the two ends of the first clamping ring and the second clamping ring, then the first clamping ring and the second clamping ring are pulled upwards or downwards respectively, so that the first clamping ring drives the sealing block to separate from the arc-shaped groove, then the pull rod is pulled, so that the pull rod drives the filter screen to separate from the arc-shaped groove of the processing cylinder, the dust and particulate matter filtered are conveniently collected and cleaned, and the practicability of the oil return device of the waste heat power generation unit is improved.

[0017] 2. The stirring mechanism is arranged, the second gear is driven to rotate by the motor, the first gear is driven to rotate by the second gear, then the first gear and the second gear rotate in opposite directions at the same time, so that the first stirring rod and the second stirring rod fully stir the lubricating oil in the collecting box, the bubbles are conveniently discharged from the exhaust pipe, the protective cover can block the dust from falling on the stirring mechanism, and the working efficiency of the oil return device of the waste heat power generation unit is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2The utility model discloses a collection box three -dimensional section structure schematic diagram shows,

[0020] Figure 3 The utility model discloses a stirring mechanism three -dimensional structure schematic diagram shows,

[0021] Figure 4 The utility model discloses a filter ash mechanism three -dimensional section structure schematic diagram shows,

[0022] Figure 5 The utility model discloses a filter ash mechanism three -dimensional structure schematic diagram shows,

[0023] Figure 6 The utility model discloses a first snap ring three -dimensional structure schematic diagram.

[0024] In the drawing: 1, collection box, 2, sediment tank, 3, impurity tank, 4, base, 5, transmission assembly, 6, filter ash mechanism, 601, sealing block, 602, first snap ring, 603, pull rod, 604, filter screen, 7, connecting pipe, 8, second snap ring, 9, stirring mechanism, 901, first gear, 902, motor, 903, second gear, 10, first stirring rod, 11, second stirring rod, 12, arc slot, 13, liquid inlet pipe, 14, filter assembly, 15, processing cylinder, 16, exhaust pipe, 17, protective cover, 18, screw rod. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 4 And Figure 5 The utility model provides a kind of oil returner of anti-ash waste heat generator set, including collection box 1 and connecting pipe 7, the lower part of the collection box 1 is connected with sediment tank 2, the lower part of the sediment tank 2 is connected with impurity tank 3, the lower part of the impurity tank 3 is fixed with base 4, the one side of the sediment tank 2 is connected with filter assembly 14 by transmission assembly 5, and filter assembly 14 is connected with base 4, and the one side of the collection box 1 is fixedly connected with connecting pipe 7.

[0027] Please refer to Figure 1 、 Figure 2 And Figures 4-6The one side of the connecting pipe 7 is connected with the processing cylinder 15 through a flange, the inner side of the processing cylinder 15 is provided with the ash filtering mechanism 6, the one end of the processing cylinder 15 away from the connecting pipe 7 is connected with the liquid inlet pipe 13 through a flange, the ash filtering mechanism 6 comprises a sealing block 601, a No. 1 clasp ring 602, a pull rod 603 and a filter screen 604, the inner side of the processing cylinder 15 is provided with the filter screen 604, the one side of the filter screen 604 is fixed with the pull rod 603, the outer side of the processing cylinder 15 is provided with the No. 1 clasp ring 602, the one side of the No. 1 clasp ring 602 close to the filter screen 604 is fixed with the sealing block 601, the one side of the processing cylinder 15 close to the filter screen 604 is provided with an arc-shaped slot 12, the middle part of the sealing block 601 is provided with a butt joint hole, the one side of the No. 1 clasp ring 602 is provided with the No. 2 clasp ring 8, and the No. 2 clasp ring 8 is sleeved on the outer side of the processing cylinder 15, the two ends of the No. 1 clasp ring 602 are threadedly penetrated through the screw rod 18, the two ends of the No. 1 clasp ring 602 and the No. 2 clasp ring 8 are provided with threaded grooves, and the filter screen 604 is circular.

[0028] In specific implementation, in the process of using the oil return device of the waste heat power generating set, some dust and particles are mixed in the lubricating oil and enter the oil return device, and the dust and particles need to be collected through subsequent sedimentation, but a part of the dust and particles are accumulated at the inlet of the oil return device, affecting the oil inlet efficiency, when the lubricating oil enters the processing cylinder 15, the filter screen 604 blocks a part of the dust and particles from entering the collecting box 1, preventing too much dust and particles from affecting the subsequent sedimentation treatment, when the filter screen 604 needs to be cleaned and replaced, the screw rod 18 can be first detached from the two ends of the No. 1 clasp ring 602 and the No. 2 clasp ring 8, then the No. 1 clasp ring 602 and the No. 2 clasp ring 8 are pulled upwards or downwards respectively, so that the No. 1 clasp ring 602 drives the sealing block 601 to separate from the arc-shaped slot 12, then the pull rod 603 is pulled, so that the pull rod 603 drives the filter screen 604 to separate from the arc-shaped slot 12 of the processing cylinder 15, the dust and particles filtered are conveniently collected and cleaned, and the practicability of the oil return device of the waste heat power generating set is improved.

[0029] Please refer to Figures 1-3The inner side of the collecting box 1 is provided with a first stirring rod 10 and a second stirring rod 11 through bearings, the upper side of the collecting box 1 is provided with a protective cover 17 through bolts, the upper side of the inner side of the protective cover 17 is connected with an exhaust pipe 16, the inner side of the protective cover 17 is provided with a stirring mechanism 9, the first stirring rod 10 and the second stirring rod 11 are connected with the stirring mechanism 9, the stirring mechanism 9 comprises a first gear 901, a motor 902 and a second gear 903, the inner side of the protective cover 17 is provided with the motor 902, one end of the first stirring rod 10 close to the inner side of the protective cover 17 is fixedly connected with the first gear 901, one side of the first gear 901 is hingedly connected with the second gear 903, and the second gear 903 is fixedly connected with the second stirring rod 11, and one end of the second stirring rod 11 close to the second gear 903 is connected with the motor 902 through a shaft coupling.

[0030] In specific implementation, since some bubbles exist in the lubricating oil, a stirrer is usually used to stir the lubricating oil to make the bubbles rise and be discharged, but the stirring efficiency is low, the motor 902 can drive the second gear 903 to rotate, the second gear 903 drives the first gear 901 to rotate, then the first gear 901 and the second gear 903 rotate in opposite directions at the same time, so that the first stirring rod 10 and the second stirring rod 11 can fully stir the lubricating oil in the collecting box 1, the bubbles are conveniently discharged from the exhaust pipe 16, and the protective cover 17 can prevent dust from falling on the stirring mechanism 9, thereby improving the working efficiency of the oil return device of the waste heat power generation set.

[0031] Working principle: when the oil return device of the waste heat power generation set is used, the lubricating oil enters the treatment cylinder 15 through the liquid inlet pipe 13, then the dust and particles are blocked by the dust filtering mechanism 6 from entering the collecting box 1, then the filtered lubricating oil enters the collecting box 1 through the connecting pipe 7, the bubbles are discharged through the stirring mechanism 9 and the exhaust pipe 16, the lubricating oil enters the sedimentation tank 2 for sedimentation, the impurities are deposited in the impurity tank 3, then the deposited lubricating oil is guided into the filtering assembly 14 through the transmission assembly 5 for re-filtering, and finally is used again, thereby improving the working efficiency and practicality of the oil return device of the waste heat power generation set, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An oil return device for an ash-resistant waste heat power unit, comprising a collecting tank (1) and a connecting pipe (7), characterized in that: The lower side of the collecting box (1) is connected with a sediment tank (2), the lower side of the sediment tank (2) is connected with an impurity tank (3), the lower side of the impurity tank (3) is fixedly connected with a base (4), one side of the sediment tank (2) is connected with a filtering assembly (14) through a transmission assembly (5), the filtering assembly (14) is connected with the base (4), one side of the connecting pipe (7) is fixedly connected with a processing cylinder (15), one side of the processing cylinder (15) is connected with the liquid inlet pipe (13) through a flange, the inner side of the processing cylinder (15) is provided with an ash filtering mechanism (6), and the inner side of the processing cylinder (15) is provided with a filter screen (604).

2. The oil return device of the dust-proof waste heat power unit according to claim 1, characterized in that: One side of the filter screen (604) is fixedly connected with a pull rod (603), and the outer side of the processing cylinder (15) is provided with a first clamping ring (602).

3. The oil return device of the dust-proof waste heat power generator unit according to claim 2, characterized in that: The side, close to the filter screen (604), of the first clamping ring (602) is fixedly connected with a sealing block (601), and the side, close to the filter screen (604), of the processing cylinder (15) is provided with an arc-shaped groove (12).

4. The oil return device of the dust-proof waste heat power unit according to claim 3, characterized in that: The middle part of the sealing block (601) is provided with a butt joint hole.

5. The oil return device of the dust-proof waste heat power unit according to claim 4, characterized in that: One side of the first clamping ring (602) is provided with a second clamping ring (8), and the second clamping ring (8) is sleeved on the outer side of the processing cylinder (15).

6. The oil return device of the dust-proof waste heat power unit according to claim 1, characterized in that: Both ends of the first clamping ring (602) are threadedly penetrated by a screw rod (18), and the inner side of the collecting box (1) is provided with a first stirring rod (10) and a second stirring rod (11) through bearings.

7. The oil return device of the dust-proof waste heat power unit according to claim 6, characterized in that: The upper side of the collecting box (1) is provided with a protective cover (17) through bolts, and the upper side, close to the inner side of the protective cover (17), of the collecting box (1) is connected with an exhaust pipe (16).

8. The oil return device of the dust-proof waste heat power unit according to claim 7, characterized in that: The inner side of the protective cover (17) is provided with a stirring mechanism (9), and the first stirring rod (10) and the second stirring rod (11) are connected with the stirring mechanism (9).

9. The oil return device of the dust-proof waste heat power unit according to claim 8, characterized in that: The stirring mechanism (9) comprises a first gear (901), a motor (902) and a second gear (903), the inner side of the protective cover (17) is provided with the motor (902), and one end, close to the inner side of the protective cover (17), of the first stirring rod (10) is fixedly connected with the first gear (901).

10. The oil return device of the dust-proof waste heat power unit according to claim 9, characterized in that: One side of the first gear (901) is meshingly connected with the second gear (903), and the second gear (903) is fixedly connected with the second stirring rod (11), and one end, close to the second gear (903), of the second stirring rod (11) is connected with the motor (902) through a shaft coupling.

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