Preheating feed pipe of distillation equipment

Abstract

The utility model discloses a preheating feed pipe of distillation equipment, which comprises a preheating air inlet pipe, and the preheating air inlet pipe and a preheating air outlet pipe are communicated with a sleeve; the protective pipe is arranged on the peripheral wall of the sleeve in a sleeving mode and comprises a first protective plate and a second protective plate, one side of the first protective plate is hinged to one side of the second protective plate through a hinge piece, and the protective pipe is provided with a first notch and a second notch for the preheating air inlet pipe and the preheating air outlet pipe to penetrate through. The protective tube is arranged outside the sleeve, the blocking piece with the preset length is arranged between the protective tube and the sleeve, the blocking piece is provided with the blocking supporting base and the supporting rod, the blocking supporting base makes contact with the sleeve, the supporting rod is used for supporting, and therefore the sleeve is protected; the protective pipe comprises the first protective plate and the second protective plate which are hinged to each other, the casing pipe is covered through buckling, so that mistaken touch of an operator is avoided, meanwhile, disassembly is convenient through hinged arrangement, and compared with conventional welding, the casing pipe can be protected while protection is achieved.

Description

Technical Field

[0001] The utility model relates to the field of distillation preheating feed pipes, in particular to a preheating feed pipe for distillation equipment. Background Art

[0002] Molecular distillation, also known as short-path distillation, is a relatively new liquid-liquid separation technology that has not been widely used in industrial production. Its application can solve a large number of problems that conventional distillation technology cannot solve. A complete set of molecular distillation equipment mainly includes: molecular evaporator, degassing system, feeding system, heating system, cooling vacuum system and control system. The molecular distillation equipment connects the feed pipe and the heavy component buffer tank. The feed pipe is connected to the feed system of the molecular distillation equipment and is used to feed the molecular distillation equipment.

[0003] In the prior art, most preheating tubes of distillation equipment are provided with a sleeve around the feed tube, and the heat inlet tube is heated by hot gas and liquid passing through the sleeve, so as to achieve the preheating effect. However, no protective mechanism is provided on the outside of the sleeve. During operation, the wall of the sleeve used for preheating is relatively hot, and the operator may be easily scalded if not careful, which poses a great safety hazard. Utility Model Content

[0004] An object of the utility model is to provide a preheating feed pipe of a distillation device which at least solves any aspect of the above-mentioned technical problems.

[0005] A further purpose of the utility model is to avoid potential safety hazards to operators during operation and enhance the protective effect.

[0006] Another further object of the utility model is to improve the safety of the preheating feed pipe.

[0007] In particular, the utility model provides a preheating feed pipe of a distillation device, comprising a feed pipe;

[0008] A sleeve, wherein the sleeve is sleeved on the outside of the tube body of the feed pipe, and the sleeve is provided with a preheating air inlet pipe and a preheating air outlet pipe, and the preheating air inlet pipe and the preheating air outlet pipe are connected to the sleeve;

[0009] A protective tube, wherein the protective tube is sleeved on the outer peripheral wall of the sleeve, and the protective tube includes a first protective plate and a second protective plate, one side of the first protective plate and the second protective plate are hinged by a hinge, and the protective tube has a first notch and a second notch for the preheating air inlet pipe and the preheating air outlet pipe to pass through.

[0010] Furthermore, a plurality of blocking members are provided on the inner wall of the protection tube, and the blocking members are arranged in a circular array at equal distances with the sleeve as the center.

[0011] Furthermore, at least two hinge parts are arranged on one side of the first guard plate and the second guard plate, and a locking part is arranged on the other side. The locking part includes a fixing seat and a hanging part, and the hanging part is hung on a hanging ear arranged on the fixing seat.

[0012] Furthermore, outer surfaces of the first guard plate and the second guard plate are provided with aerogel felt.

[0013] Furthermore, the barrier may be a support rod and a barrier support seat, one end of the support rod is fixedly connected to the inner wall of the protective tube, the other end of the support rod is fixedly connected to the barrier support seat, and the barrier support seat abuts against the sleeve.

[0014] Technical effects and advantages of the utility model:

[0015] The utility model provides a protective tube on the outside of the sleeve, a barrier of a preset length is provided between the protective tube and the sleeve, the barrier has a barrier support seat and a support rod, the barrier support seat contacts the sleeve through the barrier, the support rod is used for support, so as to protect the sleeve, and the protective tube includes two hinged first and second protective plates, the sleeve is covered by buckling, so as to avoid accidental touch by the operator, and at the same time, the hinged setting facilitates disassembly, compared with conventional welding, it can protect the sleeve while providing protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the utility model from top view.

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure along the BB direction.

[0020] Figure 4 This is a schematic diagram of the front view structure of the protective tube of the utility model.

[0021] Figure 5 It is a rear view structural schematic diagram of the utility model.

[0022] In the figure: 1, feed pipe, 2, preheating air inlet pipe, 3, preheating air outlet pipe, 4, sleeve, 5, protective tube, 501, barrier, 5011, support rod, 5012, barrier support seat, 502, first guard plate, 503, second guard plate, 504, fixing seat, 505, hanging piece, 506, hanging ear, 507, hinge piece, 508, first notch, 509, second notch. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Figure 1 It is a schematic diagram of the structure of the utility model. Figure 2 It is a schematic diagram of the structure of the utility model from top view. Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure along the AA direction. Figure 4 This is a schematic diagram of the front view structure of the protective tube of the utility model. Figure 5 It is a rear view structural schematic diagram of the utility model.

[0025] The solution of this embodiment provides a preheating feed pipe of a distillation device, including a feed pipe 1, a sleeve 4 and a protective tube 5, wherein the sleeve 4 is sleeved on the outside of the tube body of the feed pipe 1, so as to preheat a part of the feed pipe 1, and the sleeve 4 is provided with a preheating air inlet pipe 2 and a preheating air outlet pipe 3, and the preheating air inlet pipe 2 and the preheating air outlet pipe 3 are connected to the sleeve 4, and heat exchange is performed through one in and one out, so as to realize the preheating treatment, but when the preheating treatment is performed, the outer tube wall of the sleeve 4 will also conduct more heat , which often causes accidental contact by operators; the protective tube 5 is sleeved on the outer peripheral wall of the sleeve 4, and the protective tube 5 includes a first protective plate 502 and a second protective plate 503. One side of the first protective plate 502 and the second protective plate 503 is hinged by a hinge 507, and the protective tube 5 has a first notch 508 and a second notch 509 for the preheating air inlet pipe 2 and the preheating air outlet pipe 3 to pass through. When in use, the first protective plate and the second protective plate can be directly opened and then buckled to completely cover the sleeve 4.

[0026] It should be further explained that the inner wall of the protection tube 5 is provided with a plurality of barrier members 501, and the barrier members 501 are arranged in a circular array equidistantly with the sleeve 4 as the center. By setting the barrier members 501 of a preset length, a heat insulation range is formed to avoid direct contact with the operator.

[0027] It should be further explained that at least two hinge parts 507 are arranged on one side of the first guard plate 502 and the second guard plate 503, and a locking part is arranged on the other side. The locking part includes a fixing seat 504 and a hanging part 505. The hanging part 505 is hung on the hanging ear 506 arranged on the fixing seat 504, and the first guard plate 502 and the second guard plate 503 are locked and fixed by the hanging part 505.

[0028] It should be further explained that the outer surfaces of the first protective plate 502 and the second protective plate 503 are provided with aerogel felt to further block heat.

[0029] It should be further explained that the barrier 501 can be made of a support rod 5011 and a barrier support seat 5012, one end of the support rod 5011 is fixedly connected to the inner wall of the protective tube 5, and the other end of the support rod 5011 is fixedly connected to the barrier support seat 5012, and the barrier support seat 5012 is against the sleeve 4, wherein the support rod 5011 is set to a length as needed, and the barrier support seat 5012 is made of conventional temperature-resistant material.

[0030] Working principle of this utility model:

[0031] When in use, a protective tube 5 is arranged on the outside of the sleeve 4, and a barrier 501 of a preset length is arranged between the protective tube 5 and the sleeve 4. The barrier 501 has a blocking support seat 5012 and a support rod 5011. The blocking support seat 5012 contacts the sleeve 4, and the support rod 5011 is used for support, so as to protect the sleeve 4. The protective tube 5 includes two hinged first protective plates and a second protective plate, which cover the sleeve 4 by buckling to avoid accidental touch by the operator. At the same time, the hinged setting facilitates disassembly. Compared with conventional welding, it can protect the sleeve 4 while providing protection.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A preheating feed pipe for a distillation device, characterized in that: include, Feed pipe (1); A sleeve (4), wherein the sleeve (4) is sleeved on the outside of the tube body of the feed tube (1), and the sleeve (4) is provided with a preheating air inlet pipe (2) and a preheating air outlet pipe (3), and the preheating air inlet pipe (2) and the preheating air outlet pipe (3) are connected to the sleeve (4); A protective tube (5), wherein the protective tube (5) is sleeved on the outer peripheral wall of the sleeve (4), and the protective tube (5) comprises a first protective plate (502) and a second protective plate (503), one side of the first protective plate (502) and the second protective plate (503) are hinged by a hinge (507), and the protective tube (5) has a first notch (508) and a second notch (509) for the preheating air inlet pipe (2) and the preheating air outlet pipe (3) to pass through.

2. A preheating feed pipe (1) for a distillation device according to claim 1, characterized in that: The inner wall of the protection tube (5) is provided with a plurality of blocking members (501), and the blocking members (501) are arranged in a circular array at equal distances with the sleeve (4) as the center.

3. A preheating feed pipe (1) for a distillation device according to claim 1, characterized in that: At least two hinge parts (507) are arranged on one side of the first guard plate (502) and the second guard plate (503), and a locking part is arranged on the other side. The locking part includes a fixing seat (504) and a hanging part (505). The hanging part (505) is hung on a hanging ear (506) arranged on the fixing seat (504).

4. A preheating feed pipe (1) for a distillation device according to claim 1, characterized in that: The outer surfaces of the first protective plate (502) and the second protective plate (503) are provided with aerogel felt.

5. A preheating feed pipe (1) for a distillation device according to claim 2, characterized in that: The barrier member (501) may be a support rod (5011) and a barrier support seat (5012), one end of the support rod (5011) being fixedly connected to the inner wall of the protection tube (5), the other end of the support rod (5011) being fixedly connected to the barrier support seat (5012), and the barrier support seat (5012) being against the sleeve (4).

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