High-cleanliness heat-conducting oil pipeline heater
By designing the oil drain pipe, filter cylinder and leakage groove structure, the problems of impurity deposition and flange leakage in the thermal oil pipeline heater are solved, effective filtration and environmental protection treatment of the thermal oil are achieved, and the cleaning process is simplified.
Patent Information
- Application Number
- CN202422894335.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing thermal oil pipeline heaters are prone to filter blockage due to impurity deposition, affecting normal circulation, and the flange connections are prone to leakage. The leaked oil is difficult to handle, posing environmental and human hazards.
A high-cleanliness thermal oil pipeline heater was designed, which adopted an oil drain pipe, filter cylinder, leakage trough and yellow sand structure to achieve effective filtration of thermal oil and impurity interception, and used yellow sand to absorb leaked oil to reduce environmental pollution.
It achieves effective cleaning of the thermal oil, avoids filter clogging, simplifies impurity cleaning, reduces the risk of leakage at the flange connection, and improves environmental protection.
Smart Images
Figure CN223448648U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline heater technical field, concretely is a kind of high clean heat conducting oil pipeline heater. BACKGROUND
[0002] Pipeline heat conducting oil heater belongs to one kind of electric heater, main function is to heat the heat conducting oil in heater, through high-temperature oil pump circulation pumping to heat equipment, again through the oil outlet of heat equipment to return to heater and heat, can form a complete circulation heating system, usually used in chemical and mechanical processing field.
[0003] When using heat conducting oil pipeline heater, heat conducting oil needs to be circulated and transported to heat equipment through pipeline, and when there are more impurities in heat equipment or pipeline, heat conducting oil will bring impurities into electric heater and deposit after circulation, so filter is set.
[0004] The filter of existing pipeline heater is usually in the form of pipeline filtration, filter screen covers the passing surface of whole pipeline, and heat conducting oil is circulated, there is always heat conducting oil in heater, so that impurities in heater are not easy to discharge with heat conducting oil, when filter screen is blocked, it will interfere with the normal circulation of heat conducting oil, and filter screen in filter is not convenient to disassemble and clean up;In addition, since heat conducting oil pipeline heater belongs to heat supply equipment, it needs to run for a long time, and the long-time operation of equipment can make the aging speed of sealing element at flange connection place faster, in turn, flange connection place is more prone to leakage, when leakage occurs at flange connection place and is not found in time, oil droplets are easy to fall on ground and form black oxide that is difficult to clean up, and it is harmful to human body and environment, not enough environmental protection. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of high clean heat conducting oil pipeline heater to solve the problems raised in the above background.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: A high clean heat conducting oil pipeline heater, including the shell, the one end part of shell is installed with electric heating tube, the top of shell penetrates and draws oil pipe, the other end of shell penetrates and draws oil pipe, the bottom of shell is fixedly connected with bottom block, the top of bottom block is provided with a plurality of leakage grooves, the bottom of leakage groove inboard is paved with yellow sand, one side of bottom block top end is provided with through -hole, the inboard of through -hole is equipped with filter screen barrel, the inside of bottom block is provided with cavity, the top of bottom block is fixedly installed with circulating pump, the input end of circulating pump is fixedly connected with oil return pipe through hoop, the bottom of oil return pipe penetrates and draws stand pipe, the output end of circulating pump is fixedly connected with connecting pipe through hoop.
[0007] Preferably, the pipe orifice of the oil return pipe, the pipe orifice of the oil discharge pipe and the top end of the stand pipe are all provided with solenoid valves.
[0008] Preferably, the oil discharge pipe is connected with the inside of the cavity through the cross pipe, and the cavity is communicated with the inside of the oil return pipe through the stand pipe.
[0009] Preferably, the number of the leakage grooves is three, and the three leakage grooves are respectively located below the flange junction of the electric heating tube and the shell, the flange junction of the oil return pipe and the flange junction of the oil inlet pipe.
[0010] Preferably, the top end of the filter screen barrel is fixedly connected with a cover plate, and the filter screen barrel is movably embedded and connected with the through -hole through the cover plate.
[0011] Preferably, a circular hole is formed in one side wall of the filter screen barrel, and the filter screen barrel is communicated with the cross pipe through the circular hole.
[0012] Preferably, the top end of the connecting pipe penetrates one side wall of the oil inlet pipe.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. The high clean heat conducting oil pipeline heater, through the oil discharge pipe, the through -hole, the filter screen barrel, the cavity and the stand pipe, the heat conducting oil in the pipeline heater can be filtered through the filter screen barrel after being discharged from the shell through the oil discharge pipe, so that the impurities in the shell can be intercepted in the filter screen barrel through the discharge of the heat conducting oil, and then pumped back into the shell through the stand pipe connected with the circulating pump, so that the impurities in the heat conducting oil of the pipeline heater can be effectively cleaned, and the normal circulation of the heat conducting oil will not be disturbed, and the filter screen barrel intercepting the impurities can be easily disassembled and cleaned.
[0015] 2. This high-cleanliness thermal oil pipeline heater has yellow sand particles spread across the leakage groove and the bottom of the groove body. When the thermal oil leaks out from several key flange connections, it can fall directly into the leakage groove opened below, so that the thermal oil will not drip onto the ground and form black oxides that are difficult to clean. At the same time, the yellow sand spread across the leakage groove acts as an inert material, which can absorb the small amount of thermal oil that drips into the leakage groove and treat the thermal oil as chemical solid waste, thereby reducing the probability of the leaked thermal oil becoming harmful substances, reducing harm to humans and the environment, and being more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Fig. 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Fig. 2 This is a schematic diagram of the seepage trough and yellow sand structure of the utility model;
[0018] Fig. 3 This is a schematic diagram of the through hole and transverse tube structure of the utility model;
[0019] Fig. 4 This is a schematic diagram of the cover plate and filter cylinder structure of the utility model.
[0020] In the figure: 1. Electric heating tube; 2. Outer shell; 3. Oil outlet pipe; 4. Oil inlet pipe; 5. Connecting pipe; 6. Circulation pump; 7. Oil return pipe; 8. Solenoid valve; 9. Vertical pipe; 10. Leakage trough; 11. Bottom block; 12. Cover plate; 13. Oil drain pipe; 14. Yellow sand; 15. Filter cylinder; 16. Cavity; 17. Horizontal pipe; 18. Through hole; 19. Round hole. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0024] like Figs. 1 to 4 As shown, the high-cleanliness thermal oil pipeline heater of this embodiment includes a shell 2, an electric heating pipe 1 is installed at one end of the shell 2, an oil outlet pipe 3 is passed through the top of the shell 2, an oil inlet pipe 4 is passed through the other end of the shell 2, an oil drain pipe 13 is passed through the middle of the bottom end of the shell 2, the bottom end of the oil drain pipe 13 is fixedly connected to a horizontal pipe 17, the bottom end of the shell 2 is fixedly connected to a bottom block 11, a plurality of leakage grooves 10 are provided on the top of the bottom block 11, and the bottom inside the leakage groove 10 is paved with yellow sand 14, a through hole 18 is opened on one side of the top of the bottom block 11, a filter cylinder 15 is provided on the inside of the through hole 18, a cavity 16 is opened inside the bottom block 11, a circulating pump 6 is fixedly installed on the top of the bottom block 11, the input end of the circulating pump 6 is fixedly connected to the return oil pipe 7 through a hoop, the bottom end of the return oil pipe 7 is passed through a vertical pipe 9, and the output end of the circulating pump 6 is fixedly connected to the connecting pipe 5 through a hoop.
[0025] Specifically, the shell 2 is the shell 2 of the electric heater, and the surface is coated with a corrosion-resistant film layer. The oil outlet pipe 3 can transport the heated thermal oil to the heat-using equipment through the delivery pipe. The oil inlet pipe 4 is used to replenish new thermal oil and transport the thermal oil returned by the circulation pump 6 back to the shell 2 for heating. The top of the oil drain pipe 13 is located at the lowest point of the shell 2, so that the thermal oil in the shell 2 can be completely discharged, thereby realizing the emptying of the thermal oil inside the shell 2, which is conducive to the thermal oil taking out the impurities in the shell 2. The function of the horizontal pipe 17 is to drain the thermal oil discharged from the oil drain pipe 13 into the cavity 16, so that the thermal oil passes through the filter cylinder 15 and the bottom The function of block 11 is to support the outer shell 2 and the circulation pump 6. The function of the leakage groove 10 is to receive the heat transfer oil seeping out from the flange connection to prevent the heat transfer oil from dripping to the ground and forming black oxides that are difficult to clean. The yellow sand 14 is granular and is an inert material with good adsorption capacity. It can adsorb a small amount of heat transfer oil that seeps out. The function of the circulation pump 6 is to enable the heat transfer oil to circulate in the outer shell 2. The function of the vertical pipe 9 is to enable the heat transfer oil that has been filtered in the cavity 16 to re-enter the outer shell 2 for use through the return oil pipe 7. The function of the connecting pipe 5 is to enable the heat transfer oil in the circulation pump 6 to smoothly return to the oil inlet pipe 4.
[0026] Further, the pipe orifice of the oil return pipe 7 and the pipe orifice of the oil discharge pipe 13 and the top end of the vertical pipe 9 are all equipped with electromagnetic valves 8, and the electromagnetic valves 8 on different pipes can effectively control the inflow and outflow of the heat conducting oil, so as to realize the large circulation of the heat conducting oil with the heat using equipment and the small circulation of the heat conducting oil in the device.
[0027] Further, the oil discharge pipe 13 is connected with the inside of the cavity 16 through the horizontal pipe 17, the cavity 16 is communicated with the inside of the oil return pipe 7 through the vertical pipe 9, and the cavity 16 can provide enough space for the filtered heat conducting oil to wait for re-suction of the vertical pipe 9, so as to facilitate the realization of the heat conducting oil after filtering to be sent back into the shell 2.
[0028] Further, the number of the leakage grooves 10 is three, and the three leakage grooves 10 are respectively located at the flange joint of the electric heating pipe 1 and the shell 2, the flange joint of the oil return pipe 7 and the flange joint of the oil inlet pipe 4, and the leakage grooves 10 can receive the leaked heat conducting oil to avoid the heat conducting oil from falling on the ground to form black oxide which is difficult to clean.
[0029] Further, the top end of the filter screen cylinder 15 is fixedly connected with the cover plate 12, the filter screen cylinder 15 is movably embeddedly connected with the through hole 18 through the cover plate 12, the diameter of the cover plate 12 is larger than the diameter of the through hole 18, so that the cover plate 12 can cover the through hole 18, and the outer diameter of the filter screen cylinder 15 is smaller than the inner diameter of the through hole 18, so that the heat conducting oil can pass out from the side and bottom of the filter screen cylinder 15, thereby accelerating the filtering speed of the heat conducting oil.
[0030] Further, a circular hole 19 is formed in one side wall of the filter screen cylinder 15, and the filter screen cylinder 15 is communicated with the horizontal pipe 17 through the circular hole 19, and the circular hole 19 can make the heat conducting oil in the horizontal pipe 17 smoothly enter the inside of the filter screen cylinder 15 for filtering, so that the impurities carried out by the heat conducting oil can be left in the filter screen cylinder 15, and the subsequent impurities can be conveniently taken out synchronously with the filter screen cylinder 15.
[0031] Further, the top end of the connecting pipe 5 penetrates through one side wall of the oil inlet pipe 4, the inside of the connecting pipe 5 is communicated with the inside of the oil inlet pipe 4, so that the heat conducting oil in the connecting pipe 5 can be returned to the oil inlet pipe 4 for waiting for use, thereby realizing the circulation of the heat conducting oil.
[0032] The use method of the embodiment is as follows: when the heat conducting oil pipeline heater is used, the heater needs to be powered first, then the heat conducting oil is fed into the oil inlet pipe 4, at the same time, the electric heating pipe 1 is started to heat the heat conducting oil, the heat conducting oil is heated and then enters the heat using equipment through the oil outlet pipe 3, and then returns to the return pipe through the oil outlet of the heat using equipment, and then is sent into the connecting pipe 5 through the circulating pump 6 and then returns to the shell 2 through the oil inlet pipe 4, at this time, the electromagnetic valves 8 on the vertical pipe 9 and the oil discharge pipe 13 are in the closed state, so that the circulation of the heat conducting oil is completed, when the heat conducting oil in the shell 2 needs to be filtered, the electromagnetic valve 8 at the oil return pipe 7 can be closed first, and the electromagnetic valves 8 on the oil discharge pipe 13 and the vertical pipe 9 are started at the same time, at this time, the heat conducting oil in the shell 2 falls into the horizontal pipe 17 from the oil discharge pipe 13 under the action of gravity, and the impurities in the shell 2 are also brought into the horizontal pipe 17, after the heat conducting oil in the shell 2 is discharged, the electromagnetic valve 8 on the oil discharge pipe 13 is closed, then the heat conducting oil in the horizontal pipe 17 passes through the round holes 19 on the filter screen cylinder 15 and enters the filter screen cylinder 15, at this time, the heat conducting oil passes through the mesh holes on the filter screen cylinder 15 and enters the cavity 16, and the impurities in the heat conducting oil are retained in the filter screen cylinder 15, then the heat conducting oil flowing into the cavity 16 is sucked into the circulating pump 6 through the vertical pipe 9 at the end of the cavity 16, and then enters the connecting pipe 5 and the oil inlet pipe 4 through the circulating pump 6, and finally returns to the shell 2.
[0033] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A high-purity thermal oil pipeline heater, comprising a housing (2), characterized in that: An electric heating pipe (1) is installed at one end of the shell (2), an oil outlet pipe (3) is passed through the top end of the shell (2), an oil inlet pipe (4) is passed through the other end of the shell (2), an oil drain pipe (13) is passed through the middle of the bottom end of the shell (2), the bottom end of the oil drain pipe (13) is fixedly connected to a transverse pipe (17), the bottom end of the shell (2) is fixedly connected to a bottom block (11), a plurality of leakage grooves (10) are provided on the top of the bottom block (11), and the bottom inside the leakage grooves (10) is paved There is yellow sand (14), a through hole (18) is provided on one side of the top of the bottom block (11), a filter cylinder (15) is provided on the inner side of the through hole (18), a cavity (16) is provided inside the bottom block (11), a circulation pump (6) is fixedly installed on the top of the bottom block (11), the input end of the circulation pump (6) is fixedly connected to the return oil pipe (7) through a hoop, the bottom end of the return oil pipe (7) is penetrated by a vertical pipe (9), and the output end of the circulation pump (6) is fixedly connected to the connecting pipe (5) through a hoop.
2. The high-cleanliness thermal oil pipeline heater according to claim 1, characterized in that: The pipe opening of the oil return pipe (7), the pipe opening of the oil discharge pipe (13) and the top end of the vertical pipe (9) are all equipped with electromagnetic valves (8).
3. The high-cleanliness thermal oil pipeline heater according to claim 1, characterized in that: The oil drain pipe (13) is connected to the interior of the cavity (16) through a horizontal pipe (17), and the cavity (16) is connected to the interior of the oil return pipe (7) through a vertical pipe (9).
4. The high-cleanliness thermal oil pipeline heater according to claim 1, characterized in that: The number of the leakage grooves (10) is three, and the three leakage grooves (10) are respectively located directly below the flange intersection of the electric heating pipe (1) and the shell (2), the flange intersection of the oil return pipe (7), and the flange intersection of the oil inlet pipe (4).
5. The high-cleanliness thermal oil pipeline heater according to claim 1, characterized in that: The top end of the filter cylinder (15) is fixedly connected to a cover plate (12), and the filter cylinder (15) is movably embedded and connected to the through hole (18) through the cover plate (12).
6. The high-cleanliness thermal oil pipeline heater according to claim 1, characterized in that: A circular hole (19) is provided on one side wall of the filter cylinder (15), and the filter cylinder (15) is connected to the horizontal pipe (17) through the circular hole (19).
7. The high-cleanliness thermal oil pipeline heater according to claim 1, characterized in that: The top end of the connecting pipe (5) passes through a side wall of the oil inlet pipe (4).