Catalytic distillation tower top condenser convenient to disassemble and clean

Abstract

The utility model relates to the technical field of catalytic distillation tower top condensers, in particular to a catalytic distillation tower top condenser convenient to disassemble and clean, which comprises a tube box with a heat exchange tube fixedly mounted at one end and a shell pass cylinder sleeved outside the heat exchange tube and detachably connected with the tube box, the tube box is provided with a linear feeding moving mechanism for driving the shell pass barrel to perform feeding motion towards the tube box side, and the end part, close to the tube box side, of the shell pass barrel is provided with an annular spraying mechanism and is matched with a cleaning liquid supply mechanism for supplying liquid to the annular spraying mechanism. And cleaning liquid is sprayed to the heat exchange tubes in the separation process, so that the stability and efficiency of disassembly and cleaning are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to catalytic distillation column top condenser technical field, specifically be convenient to detach and clean catalytic distillation column top condenser. BACKGROUND

[0002] The top of catalytic rectification tower is the key part in the rectification process, mainly consists of condenser, reflux tank and related pipeline, is responsible for the ascending vapor condensation into liquid, and partly refluxes to the tower to maintain the continuous operation of rectification operation, wherein, the condenser needs to clean the outer wall of heat exchange tube regularly, thereby needs to carry out the cleaning frequently, through the retrieval, the patent with the publication number CN201837293U discloses a catalytic distillation column top condenser, including pipe box, baffle, shell pass cylinder, heat exchange tube and floating head cover, the heat exchange tube is arranged in the shell pass cylinder, one end of the shell pass cylinder is the pipe box, the baffle is arranged in the pipe box, the other end of the shell pass cylinder is the floating head cover, the shell pass cylinder upper end is provided with two pipe mouths, and the shell pass cylinder lower end is provided with one pipe mouth, at least one heat exchange tube is arranged in the shell pass cylinder, in order to adapt to the need of heat exchange process of different temperature difference, the utility model shell pass cylinder can be provided with multiple heat exchange tubes, it can detach the shell pass cylinder and the pipe box, then removes the shell pass shell from the heat exchange tube communicated with the pipe box and cleans the heat exchange tube, but, in the process of dismounting, the shell pass shell is easy to knock on the heat exchange tube, and then the heat exchange tube is easy to cause the knock damage, and then the rupture condition is easy to occur, and simultaneously, it is inconvenient to spray the cleaning liquid in the process of dismounting, for this, design a kind of catalytic distillation column top condenser, which is convenient to detach and clean, and the shell pass cylinder is separated, and the heat exchange tube is sprayed with cleaning liquid in the process of separation, to improve the stability and efficiency of dismounting and cleaning. SUMMARY

[0003] (I) technical problems solved

[0004] In view of the deficiencies in the prior art, the utility model provides a catalytic distillation column top condenser convenient to detach and clean, which stably separates the shell pass cylinder and sprays cleaning liquid on the heat exchange tube during separation, to improve the stability and efficiency of dismounting and cleaning.

[0005] (II) technical scheme

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a catalytic distillation column top condenser convenient to disassemble and clean, which comprises a tube box with heat exchange pipes fixedly installed at one end, a shell side cylinder sleeved outside the heat exchange pipes and detachably connected with the tube box, a linear feed moving mechanism provided on the tube box and used for driving the shell side cylinder to move towards the tube box side, an annular spraying mechanism provided on the end of the shell side cylinder close to the tube box side, and a cleaning liquid supply mechanism matched with the annular spraying mechanism and used for supplying liquid to the annular spraying mechanism.

[0007] Preferably, the linear feed moving mechanism comprises a screw rod and a guide rod which are coaxial with the shell side cylinder, the screw rod and the guide rod are both rotationally connected to the tube box, a lifting block is threadedly connected to the screw rod and simultaneously vertically slides with the guide rod, and the lifting block is fixedly connected to one end of the shell side cylinder close to the tube box through an L-shaped plate.

[0008] Preferably, the annular spraying mechanism comprises a main annular pipe sleeved outside the shell side cylinder, and a plurality of branch pipes are fixedly installed at one end of the main annular pipe and arranged towards the middle.

[0009] Preferably, the cleaning liquid supply mechanism comprises a cleaning liquid tank and a pressure pump which are fixedly installed on the shell side cylinder, the input end of the pressure pump is fixedly communicated with the bottom of the cleaning liquid tank through a communication pipe, and the output end of the pressure pump is fixedly communicated with the main annular pipe.

[0010] Preferably, the utility model further comprises a driving motor used for driving the screw rod to rotate, the driving motor is fixedly installed on the tube box, and the output shaft of the driving motor is fixedly connected to one end of the screw rod.

[0011] Preferably, a sealing ring is fixedly installed on the tube box, and a rubber ring cap which can be sealingly and slidably matched with the sealing ring is fixedly installed at the free end of the branch pipe.

[0012] (Three) beneficial effects

[0013] Compared with the prior art, the utility model provides a catalytic distillation column top condenser convenient to disassemble and clean, which has the following beneficial effects:

[0014] The catalytic distillation column top condenser convenient to disassemble and clean can move the shell side cylinder linearly away from the heat exchange pipes on the tube box after the tube box and the shell side cylinder are disassembled, the annular spraying mechanism can be used to spray cleaning liquid on the heat exchange pipes during the disassembly and separation process, the cleaning liquid supply mechanism can be used to provide cleaning liquid for the annular spraying mechanism during the disassembly and separation process, the catalytic distillation column top condenser convenient to disassemble and clean can stably separate the shell side cylinder, and the heat exchange pipes can be sprayed with cleaning liquid during the separation process, so that the stability and efficiency of disassembly and cleaning are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the whole other view structure schematic view of the utility model;

[0017] Figure 3 It is the whole other view structure schematic view of the utility model;

[0018] Figure 4 It is the whole other view structure schematic view of the utility model;

[0019] Marked in the drawing: 1, pipe box;2, shell side cylinder;3, L-shaped plate;4, lifting block;5, screw;6, guide rod;7, drive motor;8, connecting strip;9, main ring pipe;10, from branch pipe;11, sealing ring;12, rubber ring cap;13, cleaning liquid tank;14, pressure pump;15, check valve. Specific implementation

[0020] 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 the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Embodiment:

[0022] Please refer to Figures 1-4 A catalytic distillation column top condenser convenient to disassemble and clean, including one end fixedly installed with heat exchange pipe's pipe box 1 and the shell side cylinder 2 of the shell side cylinder 2 of the heat exchange pipe outside and with pipe box 1 detachable connection, the linear feed movement mechanism of driving shell side cylinder 2 to the side of pipe box 1 is provided on pipe box 1, the end of shell side cylinder 2 near pipe box 1 side is provided with annular spray mechanism and is equipped with the cleaning liquid supply mechanism for annular spray mechanism and supply liquid, further, the pipe box 1 and shell side cylinder 2 are detachably connected through flange.

[0023] Specifically, the linear feed moving mechanism comprises a screw rod 5 and a guide rod 6 coaxial with the shell tube body 2, both of which are rotationally connected to the tube box 1, the screw rod 5 is threadedly connected with a lifting block 4 which is vertically guided and slidably connected with the guide rod 6, the lifting block 4 is fixedly connected with the L-shaped plate 3 at one end of the shell tube body 2 close to the tube box 1, by rotating the screw rod 5 clockwise or counterclockwise and under the guidance of the guide rod 6, the lifting block 4 is driven to move linearly away from or close to the tube box 1, through the connection of the L-shaped plate 3, the shell tube body 2 can be linearly fed relative to the tube box 1, further, the top of the screw rod 5 and the guide rod 6 is provided with a connecting strip 8, and both are rotationally connected with the connecting strip 8.

[0024] Specifically, the annular spraying mechanism comprises a main ring pipe 9 sleeved outside the shell tube body 2, a plurality of from branch pipes 10 are fixedly installed at one end of the main ring pipe 9 and arranged towards the middle, through the main ring pipe 9, it is convenient to disperse the cleaning liquid into the plurality of from branch pipes 10.

[0025] Specifically, the cleaning liquid supply mechanism comprises a cleaning liquid tank 13 and a pressure pump 14 fixedly installed on the shell tube body 2, the input end of the pressure pump 14 is fixedly communicated with the bottom of the cleaning liquid tank 13 through a communication pipe, and the output end of the pressure pump 14 is fixedly communicated with the main ring pipe 9, by starting the pressure pump 14, it is convenient to pressurize the cleaning liquid in the cleaning liquid tank 13 and send it into the plurality of from branch pipes 10 through the main ring pipe 9, through the plurality of from branch pipes 10, the cleaning liquid is annularly sprayed to the outside of the heat exchange pipe, further, a one-way valve 15 is fixedly installed on the communication pipe, through the one-way valve 15, it is convenient to make the cleaning liquid only move from the cleaning liquid tank 13 side to the pressure pump 14 side, avoiding the reverse flow condition.

[0026] Specifically, it further comprises a driving motor 7 for driving the screw rod 5 to rotate, the driving motor 7 is fixedly installed on the tube box 1 and the output shaft of the driving motor 7 is fixedly connected with one end of the screw rod 5, by starting the driving motor 7, the output shaft of the driving motor 7 is rotated clockwise or counterclockwise, thereby driving the screw rod 5 to rotate clockwise or counterclockwise.

[0027] Specifically, the tube box 1 is fixedly installed with a sealing ring 11, and the free end of the from branch pipe 10 is fixedly installed with a rubber ring cap 12 which can be sealingly and slidably connected with the sealing ring 11, through the cooperation of the rubber ring cap 12 and the sealing ring 11, it is convenient to seal the free end of the from branch pipe 10 when the condenser is running, avoiding that impurities block the free end of the from branch pipe 10.

[0028] It should be noted that the use of "a" or "an" or "the" or similar referents in the specification are used inclusively and in the discretion of the inventor(s) to refer to both singular and plural, unless otherwise indicated herein and / or by context. The use of "first", "second", or "third" or similar referents in the specification is used inclusively and in the discretion of the inventor(s) to refer to a feature or characteristic that can be combined with another feature or characteristic, unless otherwise indicated herein and / or by context. The use of "one or more" or "at least one" or similar referents in the specification is used inclusively and in the discretion of the inventor(s) to refer to one or more or at least one, unless otherwise indicated herein and / or by context. The use of "including," "containing," or "comprising" or similar referents in the specification are used inclusively and in the discretion of the inventor(s) to refer to processes, methods, articles, or apparatuses that include a series of elements but not exclusive of other elements not specifically listed or inherent to such processes, methods, articles, or apparatuses. The use of "consisting essentially of" or "consisting of" or similar referents in the specification are used inclusively and in the discretion of the inventor(s) to refer to processes, methods, articles, or apparatuses that include a series of elements but not exclusive of other elements not specifically listed or inherent to such processes, methods, articles, or apparatuses, unless otherwise indicated herein and / or by context.

[0029] It will be readily understood that the terms "on", "above", and "over" in the present disclosure are to be interpreted in the broadest context, such that "on" means not only "directly on", but also includes the meaning of "on" with intervening features or layers therebetween, and "above" or "over" includes not only the meaning of "above" or "over", but also the meaning of "above" or "over" with no intervening features or layers therebetween (i.e., directly on).

[0030] Furthermore, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0031] It should be noted that the relational terms herein, such as "first", "second", and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a", "comprises...", or "comprising" does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0032] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A catalytic distillation overhead condenser convenient to disassemble and clean, comprising a tube box (1) with heat exchange tubes fixedly installed at one end and a shell side cylinder (2) sleeved outside the heat exchange tubes and detachably connected with the tube box (1), characterized in that: The pipe box (1) is provided with a linear feed moving mechanism for driving the shell length cylinder (2) to feed towards the side of the pipe box (1), and the end of the shell length cylinder (2) close to the side of the pipe box (1) is provided with a ring-shaped spraying mechanism and is matched with a cleaning liquid supply mechanism for supplying liquid to the ring-shaped spraying mechanism.

2. The catalytic distillation overhead condenser convenient to disassemble and clean of claim 1, wherein: The linear feed moving mechanism comprises a screw rod (5) and a guide rod (6) which are coaxial with the shell length cylinder (2), and the screw rod (5) and the guide rod (6) are both rotationally connected to the pipe box (1), the screw rod (5) is threadedly connected with a lifting block (4) which is simultaneously vertically guided and slidably matched with the guide rod (6), and the lifting block (4) is fixedly connected to the end of the shell length cylinder (2) close to the pipe box (1) through an L-shaped plate (3).

3. The catalytic distillation overhead condenser convenient to disassemble and clean of claim 2, wherein: The ring-shaped spraying mechanism comprises a main ring pipe (9) which is sleeved outside the shell length cylinder (2), and a plurality of from branch pipes (10) are arranged towards the middle of one end of the main ring pipe (9).

4. The catalytic distillation overhead condenser convenient to disassemble and clean of claim 3, wherein: The cleaning liquid supply mechanism comprises a cleaning liquid tank (13) and a pressurizing pump (14) which are fixedly installed on the shell length cylinder (2), the input end of the pressurizing pump (14) is fixedly communicated with the bottom of the cleaning liquid tank (13) through a communication pipe, and the output end of the pressurizing pump (14) is fixedly communicated with the main ring pipe (9).

5. The catalytic distillation overhead condenser convenient to disassemble and clean of claim 4, wherein: Further comprising a driving motor (7) for driving the screw rod (5) to rotate, the driving motor (7) is fixedly installed on the pipe box (1) and the output shaft of the driving motor (7) is fixedly connected to one end of the screw rod (5).

6. The catalytic distillation overhead condenser convenient to disassemble and clean of claim 5, wherein: The pipe box (1) is fixedly installed with a sealing ring (11), and the free end of the from branch pipe (10) is fixedly installed with a rubber ring cap (12) which can be sealingly slidably matched with the sealing ring (11).

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