Heat exchange device for industrial-grade mixed oil production

Abstract

The utility model relates to the field of industrial-grade mixed oil production equipment, in particular to a heat exchange device for industrial-grade mixed oil production. The heat exchange device comprises a tank body with a feeding pipe and a discharging pipe, and an accommodating cavity is formed in the tank body; a sealing door is detachably arranged at one end of the tank body; a cold fluid conveying pipe; the pore plate is arranged on the circumferential outer side of the cold fluid conveying pipe in a sleeving manner and is moved out of the tank body when the sealing door is opened; and limiting structures for fixing the pore plate in the tank body are arranged on the tank body and the pore plate. According to the heat exchange device for industrial-grade mixed oil production, the cold fluid conveying pipe and the pore plate are arranged in the tank body, cold fluid is heated through residual heat of hot fluid, and follow-up heating energy consumption of the cold fluid is reduced; meanwhile, the pore plate is arranged to reduce the flow speed of the hot fluid in the tank body, so that the heat exchange efficiency of the cold fluid and the hot fluid is improved, and the utilization rate of residual heat in the hot fluid is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial grade mixed oil production equipment field, and specifically relates to a heat exchange device for industrial grade mixed oil production. BACKGROUND

[0002] The waste oil can obtain industrial grade mixed oil through certain technical treatment, and the industrial grade mixed oil is an important raw material for preparing biodiesel or lubricating oil and other products.

[0003] The production process of industrial grade mixed oil generally includes mixing, preheating, washing, centrifugation, alkali refining and other processes, and corresponding stirring equipment, spraying equipment and the like are used, wherein the preheating is to use the plate heat exchanger to heat the mixed material by using steam. Some processes need to heat the raw material by heating equipment, then perform stirring operation, and then discharge the heated fluid from the stirring equipment, and then inject the cold fluid raw material into the heating equipment again to realize the orderly processing of the raw material. However, in this process, the hot fluid needs to be cooled after being discharged, and then the next process is performed, and the heat of the hot fluid is not effectively utilized, and the energy consumption of the heating equipment is high.

[0004] Therefore, there is a need in the art for a new technical solution to solve the above problems. SUMMARY

[0005] In order to improve or solve the technical problems of the prior art that the heat of the hot fluid is not effectively utilized and the energy consumption of the heating equipment is high, the utility model provides a heat exchange device for industrial grade mixed oil production. The heat exchange device comprises a tank body, an accommodating cavity is formed in the tank body, and the tank body is provided with a feed pipe and a discharge pipe communicating with the accommodating cavity, and the feed pipe is suitable for communicating with a processing equipment; a sealing door is detachably arranged at one end of the tank body; a cold fluid conveying pipe is detachably installed in the tank body, and both ends of the cold fluid conveying pipe extend out of the tank body; a perforated plate is sleeved on the circumferential outer side of the cold fluid conveying pipe, and is configured to move out of the tank body when the sealing door is opened; and a limiting structure for fixing the perforated plate in the tank body is arranged on the tank body and the perforated plate.

[0006] The utility model relates to a heat exchange device for industrial grade mixed oil production, which comprises a tank body, a cold fluid conveying pipe and a perforated plate. The tank body has an inlet pipe and an outlet pipe for containing hot fluid. The cold fluid conveying pipe is installed in the tank body and extends out of the tank body at both ends for conveying cold fluid. The heat of the hot fluid is transferred to the cold fluid through the conveying pipe to heat the cold fluid, thereby fully utilizing the residual heat of the hot fluid and reducing the energy required for heating the cold fluid. The perforated plate is arranged in the tank body to reduce the flow rate of the hot fluid in the tank body, thereby improving the heat exchange efficiency of the cold fluid and the hot fluid and further improving the utilization rate of the residual heat in the hot fluid. Limiting structures are provided on the perforated plate and the tank body, and the perforated plate can be removed from the tank body when the sealing door is opened, which facilitates the maintenance and replacement of the perforated plate and improves the practicability and convenience of the heat exchange device. Through the above arrangement, the heat exchange device for industrial grade mixed oil production is provided with a cold fluid conveying pipe and a perforated plate in the tank body. The cold fluid is heated by the residual heat of the hot fluid, thereby reducing the subsequent heating energy consumption of the cold fluid. At the same time, the perforated plate is provided to reduce the flow rate of the hot fluid in the tank body, thereby improving the heat exchange efficiency of the cold fluid and the hot fluid and further improving the utilization rate of the residual heat in the hot fluid.

[0007] Further, the sealing door and the tank body are detachably connected through a flange connection structure.

[0008] Further, a limiting slide strip extending along the length direction of the cold fluid conveying pipe is arranged on the cold fluid conveying pipe, and a sliding groove matched with the limiting slide strip is formed on the perforated plate.

[0009] Further, the limiting structure comprises a limiting block formed on the circumferential wall of the perforated plate and a limiting piece installed on the tank body. The limiting piece is provided with a limiting groove for receiving the limiting block and an avoiding groove matched with the limiting block and connected with the limiting groove. The limiting block is configured to extend into the limiting groove through the avoiding groove.

[0010] Further, a plurality of perforated plates are arranged along the length direction of the cold fluid conveying pipe at intervals, and one perforated plate is limited in a corresponding limiting piece.

[0011] Further, the limiting piece comprises a first limiting piece close to the sealing door, a second limiting piece away from the sealing door, and an intermediate limiting piece arranged between the first limiting piece and the second limiting piece. The perforated plate comprises a first perforated plate matched with the first limiting piece, a second perforated plate matched with the second limiting piece, and an intermediate perforated plate matched with the intermediate limiting piece. The first limiting piece comprises a first limiting ring close to the sealing door and a second limiting ring arranged in parallel with the first limiting ring. The avoiding groove is formed on the first limiting ring, and a through groove for avoiding the second perforated plate and the intermediate perforated plate is formed on the second limiting ring.

[0012] Further, an inspection window is arranged on the tank body, and the inspection window is arranged at the avoiding groove of the second limiting member.

[0013] Further, a polyurethane heat preservation layer is arranged on the circumferential outer side of the tank body.

[0014] Therefore, compared with the prior art, the heat exchange device has the following beneficial effects:

[0015] (1) The tank body has a feeding pipe and a discharging pipe for containing hot fluid; the cold fluid feeding pipe is installed in the tank body and extends out of the tank body at both ends for conveying cold fluid; the heat of the hot fluid is transferred to the cold fluid through the feeding pipe to heat the cold fluid, so that the residual heat of the hot fluid is fully utilized, and the energy required for heating the cold fluid is reduced; the orifice plate is arranged in the tank body for reducing the flow rate of the hot fluid in the tank body, so that the heat exchange efficiency of the cold fluid and the hot fluid is improved, and the utilization rate of the residual heat in the hot fluid is further improved; the limiting structure is arranged on the orifice plate and the tank body, and the orifice plate can move out of the tank body when the sealing door is opened, so that the orifice plate can be conveniently overhauled and replaced, and the practicability and convenience of the heat exchange device are improved.

[0016] (2) By arranging the sealing door, the limiting slide bar, the sliding groove and the limiting structure, the orifice plate can be conveniently overhauled and replaced, and the practicability and convenience of the heat exchange device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The preferred embodiments of the heat exchange device for industrial-grade mixed oil production of the utility model will be described below with reference to the accompanying drawings, in which:

[0018] Figure 1 is a schematic view of an embodiment of the heat exchange device for industrial-grade mixed oil production of the utility model;

[0019] Figure 2 is a schematic view of an embodiment of the tank body in the heat exchange device for industrial-grade mixed oil production of the utility model;

[0020] Figure 3 is a schematic view of an embodiment of the cold fluid feeding pipe and the orifice plate in the heat exchange device for industrial-grade mixed oil production of the utility model.

[0021] LIST OF REFERENCE NUMERALS: 1, tank body; 11, sealing door; 12, feeding pipe; 13, discharging pipe; 14, polyurethane heat preservation layer; 15, inspection window; 2, cold fluid feeding pipe; 21, limiting slide bar; 31, first orifice plate; 32, second orifice plate; 33, intermediate orifice plate; 4, limiting structure; 41, limiting block; 42, first limiting member; 421, first limiting ring; 422, second limiting ring; 43, second limiting member; 44, intermediate limiting member; 441, third limiting ring; 442, fourth limiting ring. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present application will be described below with reference to the drawings. Those skilled in the art will understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application.

[0023] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer" and other terms indicating the direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and is not intended to indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In addition, it should be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In order to improve or solve the technical problems that the heat of the heat fluid is not effectively utilized and the energy consumption of the heating equipment is high in the prior art, the present application provides a heat exchange device for industrial-grade mixed oil production. The heat exchange device for industrial-grade mixed oil production comprises a tank body 1, an accommodating cavity is formed in the tank body 1, and the tank body 1 is provided with a feeding pipe 12 and a discharging pipe 13 communicating with the accommodating cavity, and the feeding pipe 12 is adapted to communicate with a processing equipment; a sealing door 11 is detachably arranged at one end of the tank body 1; a cold fluid conveying pipe 2 is detachably installed in the tank body 1, and both ends of the cold fluid conveying pipe 2 extend out of the tank body 1; a perforated plate is sleeved on the circumferential outer side of the cold fluid conveying pipe 2 and is configured to move out of the tank body 1 when the sealing door 11 is opened; and a limiting structure 4 for fixing the perforated plate in the tank body 1 is arranged on the tank body 1 and the perforated plate.

[0026] Figure 1 is a schematic view of an embodiment of the heat exchange device for industrial-grade mixed oil production of the present application. As shown in Figure 1 In one or more embodiments, the heat exchange device for industrial-grade mixed oil production of the present application comprises a tank body 1, a cold fluid conveying pipe 2, a perforated plate and a limiting structure 4.

[0027] Figure 2 is a schematic view of an embodiment of the tank body in the heat exchange device for industrial-grade mixed oil production of the present application.Figure 1 and Figure 2 As shown, in one or more embodiments, the tank body 1 is roughly cylindrical, so that a holding cavity is formed inside. A support frame is provided below the tank body 1 for supporting the tank body 1. Specifically, the tank body 1 is arranged below the processing equipment to accommodate the hot fluid flowing out of the processing equipment. Furthermore, the tank body 1 has a first end and a second end relative to each other, and a sealing door 11 is detachably arranged at the second end. Specifically, the sealing door 11 and the tank body 1 form a detachable sealing connection through a flange. Exemplarily, a sealing ring is provided between the sealing door 11 and the tank body 1, and the sealing door 11, the tank body 1 and the sealing ring are tightly squeezed by the extrusion force of the flange to form a seal. Furthermore, a feed pipe 12 is provided near the first end, and a discharge pipe 13 is provided near the second end. The feed pipe 12 is suitable for being connected to the processing equipment, so that the hot fluid in the processing equipment flows into the holding cavity. Furthermore, a polyurethane insulation layer 14 is arranged on the circumferential outer side of the tank body 1 to reduce heat loss of the thermal fluid in the tank body 1 and further improve the utilization rate of residual heat in the thermal fluid. Furthermore, an inspection window 15 is arranged on the circumferential outer wall of the tank body 1, and the inspection window 15 is made of transparent glass.

[0028] Figure 3 This is a schematic diagram of an embodiment of a cold fluid delivery pipe and a orifice plate in a heat exchange device for industrial-grade mixed oil production according to the present invention. Figure 1 and Figure 3 As shown, in one or more embodiments, the cold fluid delivery pipe 2 is removably mounted within the tank body 1. Through holes are provided on the first end of the tank body 1 and the sealing door 11, through which both ends of the cold fluid delivery pipe 2 extend out of the tank body 1. Specifically, a sealing ring is provided between the tank body 1 and the cold fluid delivery pipe 2, forming a sealed connection between the tank body 1 and the cold fluid delivery pipe 2 via the sealing ring. Threaded structures or other suitable connection structures can be provided at both ends of the cold fluid delivery pipe 2 to facilitate connection of the cold fluid delivery pipe 2 to other pipelines. Furthermore, a limiting slide 21 is provided on the cold fluid delivery pipe 2, extending along the length of the cold fluid delivery pipe 2. Furthermore, the orifice plate is roughly circular in shape and has a plurality of through holes provided on the orifice plate for passage of the hot fluid. A slide groove is provided on the orifice plate to match the limiting slide 21. The orifice plate is sleeved on the circumferential outer side of the cold fluid delivery pipe 2 and slides along the extension direction of the limiting slide 21. Furthermore, multiple orifice plates are arranged at intervals along the length of the cold fluid delivery pipe 2. Specifically, the orifice plates include a first orifice plate 31 near the sealing door 11, a second orifice plate 32 near the first end, and an intermediate orifice plate 33 arranged between the first and second orifice plates 31, 32.

[0029] See also Figure 1 、 Figure 2 and Figure 3, the limiting structure 4 connects the tank body 1 and the orifice plate. In one or more embodiments, the limiting structure 4 includes a limiting block 41 formed on the orifice plate, and a limiting member installed on the tank body 1. The limiting block 41 is roughly fan-shaped. The curvature of the limiting block 41 on the first orifice plate 31 is greater than the curvature of the limiting block 41 on the middle orifice plate 33, and the curvature of the limiting block 41 on the middle orifice plate 33 is greater than the curvature of the limiting block 41 on the second orifice plate 32. The orifice plate and the limiting block 41 are an integrated structure, Figure 3 The dotted line in the middle is only used to divide the orifice plate and the limit block 41, so as to understand the position and shape of the limit block 41. Furthermore, the limit member includes a first limit member 42 close to the sealing door 11, a second limit member 43 close to the first end, and an intermediate limit member 44 arranged between the first limit member 42 and the second limit member 43. The first limit member 42 includes a first limit ring 421 close to the sealing door 11, and a second limit ring 422 arranged parallel to the first limit ring 421; a limit groove is formed between the first limit ring 421 and the second limit ring 422. An avoidance groove is provided on the first limit ring 421, and a through groove is provided on the second limit ring 422, and the curvature of the through groove is smaller than that of the avoidance groove. The limiting block 41 on the middle orifice plate 33 and the limiting block 41 on the second orifice plate 32 pass through the avoidance groove and the through-groove and move toward the second limiting member 43; the curvature of the upper limiting block 41 on the first orifice plate 31 is smaller than the curvature of the avoidance groove and larger than the curvature of the through-groove, so that the limiting block 41 on the first orifice plate 31 passes through the avoidance groove and extends into the limiting groove, and abuts against the second limiting ring 422. Similarly, the middle limiting member 44 includes a third limiting ring 441 and a fourth limiting ring 442, and a limiting groove is formed between the third limiting ring 441 and the fourth limiting ring 442. The curvature of the upper limiting block 41 on the middle orifice plate 33 is smaller than the curvature of the avoidance groove on the third limiting ring 441 and larger than the curvature of the through-groove on the fourth limiting ring 442, so that the limiting block 41 on the middle orifice plate 33 abuts against the fourth limiting ring 442. The structures of the second stopper 43 and the second orifice plate 32 are similar to those of the first stopper 42 and the first orifice plate 31 and are not described in detail herein. The inspection window 15 is arranged in the avoidance groove of the second stopper 43 to facilitate observation of the position of the upper stopper 41 of the orifice plate.

[0030] The working principle of this utility model is:

[0031] When the hole plate needs to be installed, the second hole plate 32, the middle hole plate 33 and the first hole plate 31 are sequentially sleeved from left to right on the circumferential outer side of the cold fluid conveying pipe 2; the first hole plate 31 passes through the avoiding slot on the first limiting ring 421 and extends into the limiting slot of the first limiting member 42; the middle hole plate 33 passes through the avoiding slot on the first limiting ring 421, the through slot on the second limiting ring 422 and the avoiding slot on the third limiting ring 441 and extends into the limiting slot of the middle limiting member 44; the second hole plate 32 passes through the first limiting member 42 and the middle limiting member 44 and extends into the limiting slot of the second limiting member 43; then, the cold fluid conveying pipe 2 is rotated, the hole plate is rotated, the limiting block 41 on the hole plate is rotated into the limiting member, and the two sides of the limiting block 41 are respectively abutted against the two limiting rings; when the hole plate needs to be disassembled, the sealing door 11 is disassembled, the cold fluid conveying pipe 2 is rotated, the position of the limiting block 41 is observed through the observation window 15 or the opening of the sealing door 11, when the limiting block 41 of the second hole plate 32 is opposite to the avoiding slot of the second limiting member 43, the cold fluid conveying pipe 2 is pulled out to the right side, and the cold fluid conveying pipe 2 and the hole plate can be pulled out.

[0032] Thus far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will all fall within the protection scope of the utility model.

Claims

1. A heat exchange device for industrial-grade mixed oil production, characterized in that: include: A tank body (1) is formed with a receiving cavity therein and is provided with a feed pipe (12) and a discharge pipe (13) communicating with the receiving cavity, wherein the feed pipe (12) is suitable for communicating with processing equipment; a sealing door (11) is detachably arranged at one end of the tank body (1); A cold fluid delivery pipe (2) is detachably mounted in the tank body (1), with both ends of the cold fluid delivery pipe (2) extending out of the tank body (1); An orifice plate is sleeved on the circumferential outer side of the cold fluid delivery pipe (2) and is configured to move out of the tank body (1) when the sealing door (11) is opened; a limiting structure (4) for fixing the orifice plate in the tank body (1) is arranged on the tank body (1) and the orifice plate.

2. The heat exchange device for industrial-grade mixed oil production according to claim 1, characterized in that: The sealing door (11) and the tank body (1) are detachably connected via a flange connection structure.

3. The heat exchange device for industrial-grade mixed oil production according to claim 1, characterized in that: A limiting slide bar (21) extending along the length direction of the cold fluid conveying pipe (2) is provided on the cold fluid conveying pipe (2); and a sliding groove matching the limiting slide bar (21) is provided on the orifice plate.

4. The heat exchange device for industrial-grade mixed oil production according to claim 3, characterized in that: The limiting structure (4) comprises a limiting block (41) formed on the circumferential wall of the orifice plate, and a limiting member installed on the tank body (1); the limiting member is formed with a limiting groove for converging the limiting block (41), and an avoidance groove matched with the limiting block (41) and connected to the limiting groove; the limiting block (41) is configured to pass through the avoidance groove and extend into the limiting groove.

5. The heat exchange device for producing industrial-grade mixed oil according to claim 4, characterized in that: A plurality of orifice plates are arranged at intervals along the length direction of the cold fluid delivery pipe (2), and one orifice plate is limited in a corresponding limiting member.

6. The heat exchange device for producing industrial-grade mixed oil according to claim 5, characterized in that: The limiting member includes a first limiting member (42) close to the sealing door (11), a second limiting member (43) away from the sealing door (11), and an intermediate limiting member (44) arranged between the first limiting member (42) and the second limiting member (43); the orifice plate includes a first orifice plate (31) matched with the first limiting member (42), a second orifice plate (32) matched with the second limiting member (43), and an intermediate orifice plate (33) matched with the intermediate limiting member (44); the first limiting member (42) includes a first limiting ring (421) close to the sealing door (11), and a second limiting ring (422) arranged parallel to the first limiting ring (421); the avoidance groove is opened on the first limiting ring (421), and a through groove is opened on the second limiting ring (422) to avoid the second orifice plate (32) and the intermediate orifice plate (33) from passing through.

7. The heat exchange device for producing industrial-grade mixed oil according to claim 6, characterized in that: A viewing window (15) is arranged on the tank body (1), and the viewing window (15) is arranged at the avoidance groove of the second limiting member (43).

8. The heat exchange device for producing industrial-grade mixed oil according to claim 1, characterized in that: A polyurethane heat-insulating layer (14) is arranged on the circumferential outer side of the tank body (1).

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