Jacket heat exchange system of energy-saving grease hydrogenation reaction kettle

Abstract

The utility model provides an energy-saving grease hydrogenation reaction kettle jacket heat exchange system which comprises a kettle body, a jacket shell is fixedly installed on the outer surface of the kettle body, a closed annular cavity formed between the jacket shell and the kettle body is a jacket space, a feeding pipe is arranged on the upper surface of the kettle body, a medium inlet pipe is communicated with the upper half section of the outer surface of the jacket shell, and a medium outlet pipe is communicated with the lower half section of the outer surface of the jacket shell. And a uniform assembly is detachably mounted in the medium inlet pipe. When a heat exchange medium enters from the medium inlet pipe, the uniform dispersity of the heat exchange medium is improved through the uniform assembly, then the heat exchange medium passes through the flow guide block, and the flow guide block is of a wedge-shaped structure and the inclined face faces the outlet direction of the medium inlet pipe, so that the heat exchange medium is guided to be distributed to the two sides and is prevented from directly impacting the bottom of the jacket; a medium flows along the annular cavity of the jacket space, and then the contact area and the contact time of the medium and the outer surface of the kettle body can be increased and prolonged through the spiral grooves, so that heat transfer is facilitated, and heat exchange is better realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grease production, specifically relates to a kind of energy-saving grease hydrogenation reaction kettle jacket heat exchange system. BACKGROUND

[0002] In the process of the continuous development of oil production industry, product quality and production efficiency are always the core points of enterprise concern, and hydrogenation reaction as the key process of optimizing grease performance, the accurate control of reaction condition is very important. Among them, the accurate regulation of reaction temperature directly affects the effect of grease hydrogenation, is related to the quality and characteristics of final product, and the traditional grease hydrogenation reaction kettle jacket heat exchange system emerges as the times require, and becomes an important means to realize temperature control. However, most of the current energy-saving grease hydrogenation reaction kettle jacket heat exchange system, there is uneven distribution of heat exchange medium, inlet and outlet pipe diameter and jacket volume are not matched, gas resistance or bottom fluid accumulation is easily formed at the jacket medium inlet, which leads to heat exchange dead zone, and further affects the heat exchange efficiency of reaction kettle. SUMMARY

[0003] The utility model provides a kind of energy-saving grease hydrogenation reaction kettle jacket heat exchange system to solve the problem presented in background art.

[0004] The specific technical scheme is as follows:

[0005] An energy-saving grease hydrogenation reaction kettle jacket heat exchange system, comprising: kettle body, the kettle body outer surface is fixedly installed with jacket shell, the jacket shell and kettle body are formed with the annular cavity of airtight between both, and the annular cavity is jacket space, the kettle body upper surface is equipped with feed pipe, the jacket shell outer surface upper half section is connected with medium inlet pipe, the medium inlet pipe is detachably installed with uniform assembly inside, the jacket space is equipped with flow guide block, the flow guide block is wedge-shaped structure, its two sides are respectively adhered to jacket shell inner wall and kettle body outer wall, and the inclined plane of the flow guide block is towards the outlet direction of medium inlet pipe.

[0006] As a preferred scheme of the utility model, the kettle body is located on the outer surface of jacket shell segment and is provided with spiral groove, the kettle body lower surface is connected with discharge pipe, the other end of the discharge pipe penetrates to the lower end of jacket shell, the discharge pipe is located on the outer surface of jacket space and is provided with flow guide groove, and the penetration is filled with ceramic fiber sealant.

[0007] As a preferred scheme of the utility model, the jacket shell lower surface is connected with medium outlet valve pipe, the inner wall of the medium outlet valve pipe is fixedly installed with spoiler at one end, and the surface of the spoiler is zigzag.

[0008] As an improved scheme of the utility model, the uniform assembly comprises a dismounting disc, two groups of the dismounting disc are arranged on one end of the outer surface of the medium inlet pipe, the dismounting disc and the medium inlet pipe are provided with the same screw hole on one end, and the fixed bolt is screwed in the screw hole.

[0009] As an improved scheme of the utility model, one end of the two groups of dismounting discs is fixedly connected with a sliding insertion rod, the inner wall of the medium inlet pipe is provided with two groups of sliding insertion grooves matched with the sliding insertion rod, one end of the sliding insertion rod is fixedly connected with a sealing block, one end of the sealing block is provided with a plurality of through holes, and a plurality of dispersion pipes are fixedly installed in the through holes.

[0010] As an improved scheme of the utility model, one end of the dispersion pipe is provided with a tapered nozzle, and the sealing block can be fixed in the medium inlet pipe by being inserted into the sliding insertion groove through the sliding insertion rod.

[0011] The utility model has the following beneficial effects:

[0012] 1. The energy-saving oil hydrogenation reaction kettle jacket heat exchange system provided by the utility model, through the design of the medium inlet pipe, the uniform assembly and the flow guide groove, when the heat exchange medium enters from the medium inlet pipe, the uniform dispersibility of the heat exchange medium is improved through the uniform assembly, then the heat exchange medium is guided to flow to both sides through the flow guide block, the straight flow to the bottom of the jacket is avoided, the medium flows along the annular cavity of the jacket space, then the contact area and the contact time of the medium and the outer surface of the kettle body are enhanced through the spiral groove, the heat transfer is beneficial, heat exchange is better realized, and when the heat exchange medium is discharged, the sawtooth-shaped spoiler in the medium outlet valve pipe can further destroy the laminar flow through the shearing action, the medium discharge is accelerated, the flow dead zone near the outlet is reduced, the flow guide groove on the outer surface of the discharge pipe is consistent with the flow direction of the medium in the jacket space, the medium is guided to flow along the groove to the outlet, the flow resistance and the vortex energy loss are reduced.

[0013] 2. The energy-saving grease hydrogenation reaction kettle jacket heat exchange system provided by the utility model, through the design of the dispersion pipe and the tapered nozzle, after the heat exchange medium enters from the medium inlet pipe, it flows into the dispersion pipe and is sprayed to the jacket space in a radial direction through the installed tapered nozzle, the tapered nozzle accelerates the medium flow rate through the cross section contraction, and simultaneously realizes the annular uniform distribution through the centrifugal force, thereby avoiding the concentrated impact of the medium on the inner wall of the jacket, so that the medium uniformity can be improved, the gas resistance at the top or the dead zone formed by the liquid accumulation at the bottom can be avoided, the heat exchange process is more sufficient, and the sealing block can be conveniently pulled out from the medium inlet pipe through the disassembly of the fixing bolt, the sealing block can be accurately and correctly installed at the appropriate position in the medium inlet pipe through the design of the sliding insertion rod and the sliding insertion slot, and the installation process is simple and convenient for disassembly and cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The overall structure schematic diagram of the energy-saving grease hydrogenation reaction kettle jacket heat exchange system provided by the utility model embodiment is provided.

[0015] Figure 2 The internal cross-sectional structure schematic diagram of the energy-saving grease hydrogenation reaction kettle jacket heat exchange system provided by the utility model embodiment is provided.

[0016] Figure 3 The spoiler structure schematic diagram of the energy-saving grease hydrogenation reaction kettle jacket heat exchange system provided by the utility model embodiment is provided.

[0017] Figure 4 The uniform assembly structure schematic diagram of the energy-saving grease hydrogenation reaction kettle jacket heat exchange system provided by the utility model embodiment is provided.

[0018] Figure 5 The dispersion pipe structure schematic diagram of the energy-saving grease hydrogenation reaction kettle jacket heat exchange system provided by the utility model embodiment is provided.

[0019] IN THE DRAWINGS:

[0020] 1. Kettle body; 101. Spiral groove; 102. Feeding pipe; 103. Discharge pipe; 104. Flow guide groove;

[0021] 2. Jacket shell; 201. Medium outlet valve pipe; 202. Spoiler;

[0022] 3. Medium inlet pipe;

[0023] 4. Uniform assembly; 401. Disassembly disc; 402. Fixing bolt; 403. Sliding insertion rod; 404. Sealing block; 405. Dispersion pipe; 406. Tapered nozzle; 407. Sliding insertion slot;

[0024] 5. Jacket space; 501. Flow guide block. DETAILED DESCRIPTION

[0025] The technical solutions of the utility model are further illustrated below in combination with the drawings and through specific embodiments.

[0026] Among them, the drawing is only used for example explanation, the representation is only schematic diagram, and is not real object drawing, and cannot be understood as the limitation to this patent; in order to better illustrate the embodiment of the utility model, some components of the drawing will be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, it is understandable that some well-known structures and their description in the drawing can be omitted.

[0027] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the positional relationship of the terms described in the drawing is only used for example explanation, and cannot be understood as the limitation to this patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0028] In the description of the utility model, unless otherwise explicitly specified and limited, if the connection relationship between the components appears the term "connection", the term should be broadly understood, for example, can be fixedly connected, can be detachably connected, or integrated; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through intermediate medium, can be the communication or interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0029] Embodiment 1

[0030] The energy-saving oil hydrogenation reaction kettle jacket heat exchange system provided in the embodiment, such as Figures 1-5As shown, comprising: kettle body 1, kettle body 1 outer surface fixedly installed with jacket shell 2, the annular cavity formed between jacket shell 2 and kettle body 1 is closed as jacket space 5, kettle body 1 upper surface is equipped with feed pipe 102, jacket shell 2 outer surface upper half section is communicated with medium inlet pipe 3, uniform assembly 4 is detachably installed inside medium inlet pipe 3, guide block 501 is arranged in jacket space 5, guide block 501 is wedge-shaped structure, its two sides are respectively attached to jacket shell 2 inner wall and kettle body 1 outer wall, and the inclined surface of guide block 501 faces the outlet direction of medium inlet pipe 3. Kettle body 1 is located on the outer surface of jacket shell 2 segment and is equipped with spiral groove 101, kettle body 1 lower surface is communicated with discharge pipe 103, the other end of discharge pipe 103 penetrates to the lower end of jacket shell 2, the outer surface of discharge pipe 103 located at jacket space 5 is equipped with guide groove 104, and the penetration is filled with ceramic fiber sealant. The lower surface of jacket shell 2 is communicated with medium outlet valve pipe 201, the inner wall of medium outlet valve pipe 201 is fixedly installed with spoiler 202 at one end, the surface of spoiler 202 is sawtooth-shaped.

[0031] Through the design of medium inlet pipe 3, uniform assembly 4 and guide groove 104, when the heat exchange medium enters from medium inlet pipe 3, the uniform dispersibility of the heat exchange medium is improved through uniform assembly 4, then the heat exchange medium is guided to flow to both sides through guide block 501, because guide block 501 is wedge-shaped structure and the inclined surface faces the outlet direction of medium inlet pipe 3, so that the heat exchange medium is guided to flow to both sides, avoiding straightly rushing to the bottom of the jacket, making the medium flow along the annular cavity of jacket space 5, then the contact area and contact time of the medium and the outer surface of kettle body 1 can be enhanced through spiral groove 101, which is beneficial to heat transfer, so that heat exchange is better realized, and when the heat exchange medium is discharged, the sawtooth-shaped spoiler 202 in medium outlet valve pipe 201 can further destroy the laminar flow through the shearing action, accelerate the discharge of the medium, reduce the flow dead zone near the outlet, and the guide groove 104 on the outer surface of discharge pipe 103 is consistent with the flow direction of the medium in jacket space 5, which guides the medium to flow along the groove to the outlet, reduces the flow resistance and vortex energy loss.

[0032] Example 2

[0033] The energy-saving oil hydrogenation reaction kettle jacket heat exchange system provided in the embodiment, like Figures 4-5As shown, the uniform assembly 4 comprises two sets of dismounting discs 401, which are mounted at one end of the outer surface of the medium inlet pipe 3, and are provided with the same threaded holes at one end of the surface of the medium inlet pipe 3, and the threaded holes are connected with the fixing bolts 402. One end of the two sets of dismounting discs 401 is fixedly connected with the sliding insertion rods 403, and the inner wall of the medium inlet pipe 3 is provided with two sets of sliding insertion grooves 407 matched with the sliding insertion rods 403, and one end of the sliding insertion rods 403 is fixedly connected with the sealing blocks 404, one end of the sealing blocks 404 is provided with a plurality of through holes, and a plurality of dispersion pipes 405 are fixedly installed in the through holes. The one end of the dispersion pipes 405 is provided with the tapered nozzles 406, and the sealing blocks 404 can be fixed in the medium inlet pipe 3 by being inserted into the sliding insertion grooves 407 through the sliding insertion rods 403.

[0034] Through the design of the dispersion pipes 405 and the tapered nozzles 406, after the heat exchange medium enters the medium inlet pipe 3, it flows into the dispersion pipes 405 and is sprayed in a radial manner to the jacket space 5 through the installed tapered nozzles 406, the tapered nozzles 406 accelerate the flow rate of the medium by contracting the cross section, and at the same time, the centrifugal force is used to realize the annular uniform distribution, so as to avoid the concentrated impact of the medium on the inner wall of the jacket, thereby improving the uniformity of the medium, avoiding the formation of dead zones in the top gas resistance or bottom liquid accumulation, making the heat exchange process more sufficient, and by dismounting the fixing bolts 402, the sealing blocks 404 can be easily extracted from the medium inlet pipe 3, through the design of the sliding insertion rods 403 and the sliding insertion grooves 407, the sealing blocks 404 can be accurately installed at the appropriate position in the medium inlet pipe 3, and the installation process is simple and convenient for dismounting and cleaning.

[0035] In summary, the energy-saving oil hydrogenation reaction kettle jacket heat exchange system provided by the embodiment has the following advantages: it can effectively solve the problem of uneven distribution of medium, ensure that there is no heat exchange dead zone, further ensure the uniform distribution of medium in the entire jacket space 5, and make the heat exchange process more sufficient and efficient.

[0036] In use, when the heat exchange medium enters from the medium inlet pipe 3, it flows into the dispersion pipe 405 and is sprayed radially to the jacket space 5 through the installed converging nozzle 406, the converging nozzle 406 accelerates the medium flow rate by the cross-section contraction, avoids the medium from impacting the inner wall of the jacket, thereby improving the uniformity of the medium, avoiding the formation of dead zones in the top gas block or the bottom liquid accumulation, then the heat exchange medium is guided to flow to both sides through the flow guide block 501, avoiding the direct impact on the bottom of the jacket, so that the medium flows along the annular cavity of the jacket space 5, then the spiral groove 101 can enhance the contact area and contact time of the medium with the outer surface of the kettle body 1, which is beneficial to the heat transfer, thereby better realizing the heat exchange, and when the heat exchange medium is discharged, the zigzag baffle 202 in the medium outlet valve pipe 201 can further destroy the laminar flow by the shearing action, accelerate the medium discharge, reduce the flow dead zone near the outlet, and the flow guide groove 104 on the outer surface of the discharge pipe 103 is consistent with the flow direction of the medium in the jacket space 5, which guides the medium to flow along the groove to the outlet, reduces the flow resistance and vortex energy loss.

[0037] The above is only the preferred embodiment of the present application, and does not limit the implementation and protection scope of the present application. For those skilled in the art, it should be realized that any equivalent replacement and obvious changes made according to the content of the present application should be included in the protection scope of the present application.

Claims

1. An energy-saving jacketed heat exchange system for a grease hydrogenation reactor, characterized in that, include: The vessel body (1) has a jacket shell (2) fixedly installed on its outer surface. The jacket shell (2) and the vessel body (1) form a closed annular cavity called the jacket space (5). The upper surface of the vessel body (1) is provided with a feed pipe (102). The upper half of the outer surface of the jacket shell (2) is connected to a medium inlet pipe (3). A uniform component (4) is disassembled and installed inside the medium inlet pipe (3). A guide block (501) is provided in the jacket space (5). The guide block (501) has a wedge-shaped structure. Its two sides are respectively attached to the inner wall of the jacket shell (2) and the outer wall of the vessel body (1). The inclined surface of the guide block (501) faces the outlet direction of the medium inlet pipe (3).

2. The energy-saving jacketed heat exchange system for a grease hydrogenation reactor according to claim 1, characterized in that, The vessel body (1) has a spiral groove (101) on the outer surface of the jacket shell (2) section. The lower surface of the vessel body (1) is connected to a discharge pipe (103). The other end of the discharge pipe (103) extends to the lower end of the jacket shell (2). The outer surface of the discharge pipe (103) at the jacket space (5) is provided with a guide groove (104), and the penetration is filled with ceramic fiber sealant.

3. The energy-saving jacketed heat exchange system for a grease hydrogenation reactor according to claim 1, characterized in that, The lower surface of the jacket shell (2) is connected to a medium outlet valve pipe (201), and a baffle plate (202) is fixedly installed at one end of the inner wall of the medium outlet valve pipe (201). The surface of the baffle plate (202) is serrated.

4. The energy-saving jacketed heat exchange system for a grease hydrogenation reactor according to claim 1, characterized in that, The uniform component (4) includes a disassembly disc (401), which is provided in two sets. Both sets of the disassembly discs (401) are disassembled and installed on one end of the outer surface of the medium inlet pipe (3). The disassembly discs (401) and the medium inlet pipe (3) are provided with the same threaded hole at one end of the surface. The threaded hole is threaded with a fixing bolt (402).

5. The energy-saving jacketed heat exchange system for a grease hydrogenation reactor according to claim 4, characterized in that, Both sets of disassembly discs (401) are fixedly connected to one end of a sliding rod (403). The inner wall of the medium inlet pipe (3) is provided with two sets of sliding slots (407) that are adapted to the sliding rods (403). One end of each sliding rod (403) is fixedly connected to a sealing block (404). One end of each sealing block (404) is provided with multiple sets of through holes. Each set of through holes is fixedly installed with a dispersion tube (405).

6. The energy-saving jacketed heat exchange system for a grease hydrogenation reactor according to claim 5, characterized in that, Each of the dispersion tubes (405) is equipped with a tapered nozzle (406) at one end of its outlet. The sealing block (404) can be fixed in the medium inlet tube (3) by inserting it into the sliding slot (407) via the sliding rod (403).

Images