Condensation mechanism of evaporation tower for neopentyl glycol preparation

Abstract

The utility model relates to the technical field of evaporation towers, in particular to a condensation mechanism of an evaporation tower for neopentyl glycol preparation, which comprises a condensation box, the condensation box is arranged on the outer side of the upper end of the evaporation tower, an upper cover is arranged at the upper end of the evaporation tower, the upper end of the upper cover is communicated with an exhaust pipe, the tail end of the exhaust pipe is communicated with the condensation box, and one side of the condensation box is provided with an opening. The outer side of the opening is fixedly and hermetically connected with a box door through bolts, the inner side of the box door is provided with a condenser, the condenser is inserted into a condensation box, the upper end of the condensation box is communicated with an air outlet pipe, the lower end of the condensation box is communicated with a water return pipe, and the tail end of the water return pipe is communicated to one side of the upper end of the evaporation tower. By arranging the heat conduction mechanism on the condenser, subsequent overhaul and maintenance and internal cleaning of the condensing box and the condenser can be facilitated, the using effect is improved, the situation that the condensing effect is reduced due to impurity accumulation on the subsequent condenser is avoided, the condensing effect can be further improved, the using performance is improved, the steam condensing speed is increased, and the using effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of evaporation towers, and specifically relates to a condensation mechanism of an evaporation tower for preparing neopentyl glycol. Background Art

[0002] In the process of preparing neopentyl glycol, processes such as condensation and disproportionation are required. The condensed liquid after condensation needs to be pumped into an evaporator for vacuum evaporation. Components such as neopentyl glycol and water are vaporized in the evaporator and enter the evaporation tower for distillation. The neopentyl glycol is distilled and purified through the distillation of the evaporation tower. Finally, the steam with a large water content is discharged, and the steam is condensed by a condensation mechanism, and the condensed water is refluxed and collected for the next evaporation and purification. However, the condensation effect of the condensation mechanism of the evaporation tower in the prior art can be further enhanced to improve the condensation rate, and the internal cleaning of the condensation mechanism in the prior art is not convenient, and the accumulation of impurities on the subsequent condensation mechanism will also affect the condensation effect. Therefore, a condensation mechanism that can improve the condensation effect and is convenient for subsequent maintenance and repair is needed. For this reason, the utility model proposes a condensation mechanism of an evaporation tower for preparing neopentyl glycol to solve the above problems. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a condensation mechanism of an evaporation tower for preparing neopentyl glycol to solve the problems put forward in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A condensation mechanism of an evaporation tower for preparing neopentyl glycol, including

[0005] a condensation box, the condensation box is arranged on the outer side of the upper end of the evaporation tower, the upper end of the evaporation tower is provided with an upper cover, the upper end of the upper cover is communicated with an exhaust pipe, the end of the exhaust pipe is communicated with the condensation box, one side of the condensation box is provided with an opening, and the outside of the opening is fixedly sealed and connected with a box door through bolts. A condenser is arranged inside the box door, and the condenser is inserted into the condensation box. The upper end of the condensation box is communicated with an air outlet pipe, and the lower end of the condensation box is communicated with a water return pipe. The end of the water return pipe is communicated with one side of the upper end of the evaporation tower;

[0006] The condensation box includes a box body, the middle of one side of the box body is communicated with a steam input pipe, the steam input pipe is communicated with the exhaust pipe through a sealing flange, the middle of the upper end of the box body is communicated with an air outlet pipe, the upper end of the air outlet pipe is communicated with an air conveying pipeline through a flange and is communicated to the outside, the middle of the lower end of the box body is communicated with a drain pipe, and the drain pipe is communicated with the water return pipe through a sealing flange;

[0007] One side of the box body is fixedly connected to the box door through bolts. A condenser is arranged on the inner side of the box door. The condenser includes a cooling coil. Both ends of the cooling coil pass through the box door and are connected to the outside, and the ends are respectively communicated with one side of a water inlet pipe and a water outlet pipe. A number of groups of the cooling coils are evenly distributed. The ends of the water inlet pipe and the water outlet pipe are respectively communicated with water pipes, and the water pipes are communicated with a circulating water tank. A booster pump is also communicated in the middle of the water pipe connected to the water inlet pipe.

[0008] A heat conduction mechanism is arranged outside the cooling coil. The heat conduction mechanism includes heat conduction fins arranged outside the cooling coil. The heat conduction fins are circular rings. A number of groups of the heat conduction fins are evenly distributed outside the cooling coil. A support frame is fixedly connected to the middle outside of the bending part of the cooling coil. The support frame is a plate-like structure. Both ends of the support frame are slidably inserted into limit slots opened on the inner walls of the front and rear sides of the box body. The position of the cooling coil is restricted through the cooperation of the support frame and the limit slots.

[0009] Preferably, a water collecting tank is arranged at the lower end inside the box body. The side surface of the water collecting tank is an inclined surface, and the lower end converges to the middle. The middle of the bottom of the water collecting tank is the connection point of a drain pipe. A number of groups of evenly distributed limit slots are opened on the inner walls of the front and rear sides of the box body.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] By setting a condensation box structure that is convenient for installation and disassembly, the present utility model can facilitate the subsequent maintenance and internal cleaning of the condensation box and the condenser, improve the use effect, avoid the decline of the condensation effect caused by the accumulation of impurities on the condenser, and a heat conduction mechanism is arranged on the condenser, which can further improve the condensation effect, improve the use performance, accelerate the steam condensation speed, and improve the use effect. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is a schematic exploded view of the structure of the present utility model;

[0014] Figure 3 is a schematic internal structure diagram of the present utility model.

[0015] In the figure: 1 evaporation tower, 2 upper cover, 3 exhaust pipe, 4 condensation box, 5 return water pipe, 6 box body, 7 steam input pipe, 8 box door, 9 condenser, 10 support frame, 11 water inlet pipe, 12 water outlet pipe, 13 air outlet pipe, 14 drain pipe, 15 limit slot, 16 water collecting tank. Detailed Embodiment

[0016] In order to clearly and completely describe the purpose, technical solution of the present utility model and make its advantages more clearly understood, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0017] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0018] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0019] For the purposes of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are set forth to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring these embodiments. Additionally, all embodiments may be used in combination with each other.

[0020] Please refer to Figures 1 to 3 , the present utility model provides a technical solution: a condensation mechanism for an evaporation tower used in the preparation of neopentyl glycol, including

[0021] Condensation box 4 is arranged on the outer side of the upper end of the evaporation tower 1. The upper end of the evaporation tower 1 is provided with an upper cover 2. The upper end of the upper cover 2 is connected to the exhaust pipe 3. The end of the exhaust pipe 3 is connected to the condensation box 4. One side of the condensation box 4 is provided with an opening. A box door 8 is fixedly sealed and connected to the outside of the opening through bolts. A condenser 9 is arranged inside the box door 8. The condenser 9 is inserted into the condensation box 4. The upper end of the condensation box 4 is connected to the air outlet pipe 13. The lower end of the condensation box 4 is connected to the return water pipe 5. The end of the return water pipe 5 is connected to one side of the upper end of the evaporation tower 1;

[0022] The condensation box 4 includes a box body 6. The middle of one side of the box body 6 is connected to the steam input pipe 7. The steam input pipe 7 is connected to the exhaust pipe 3 through a sealing flange. The middle of the upper end of the box body 6 is connected to the air outlet pipe 13. The upper end of the air outlet pipe 13 is connected to the gas transmission pipeline through a flange and is connected to the outside. The middle of the lower end of the box body 6 is connected to the drain pipe 14. The drain pipe 14 is connected to the return water pipe 5 through a sealing flange. Through the condensation box 4, the moisture in the introduced steam can be quickly cooled and condensed, improving the steam condensation efficiency and increasing the use effect and practicality;

[0023] A water collecting tank 16 is arranged at the lower end inside the box body 6. The side surface of the water collecting tank 16 is an inclined surface, and the lower end converges towards the middle. The middle of the bottom of the water collecting tank 16 is the connection point of the drain pipe 14. A number of groups of uniformly distributed limit slots 15 are arranged on the inner walls of the front and rear sides of the box body 6. Through the water collecting tank 16, the condensed water can be quickly gathered and returned to the evaporation tower 1 through the drain pipe 14 and the return water pipe 5 for collection and waiting for subsequent reprocessing;

[0024] One side of the box body 6 is fixedly connected to the box door 8 through bolts. A condenser 9 is arranged on the inner side of the box door 8. The condenser 9 includes cooling coils. Both ends of the cooling coils pass through the box door 8 and are connected to the outside, and the ends are respectively connected to one side of the water inlet pipe 11 and the water outlet pipe 12. A number of groups of uniformly distributed cooling coils are arranged. The ends of the water inlet pipe 11 and the water outlet pipe 12 are respectively connected to water pipes, and the water pipes are connected to the circulating water tank. A booster pump is also connected in the middle of the water pipe connected to the water inlet pipe 11. Through the box door 8, the box body 6 can be quickly opened or closed, which is convenient for cleaning the inside of the box body 6 and the outside of the condenser 9, and is also convenient for overhaul and maintenance of the inside of the box body 6. Moreover, the box door also plays a role in fixing the condenser 9, increasing the overall use convenience and use effect of the condensation box 4;

[0025] A heat conduction mechanism is provided outside the cooling coil. The heat conduction structure includes heat conduction fins arranged outside the cooling coil. The heat conduction fins are circular rings and are arranged in several groups evenly distributed outside the cooling coil. Moreover, a support frame 10 is fixedly connected to the middle outside of the bending part of the cooling coil. The support frame 10 is a plate-like structure. Both ends of the support frame 10 are slidably inserted into the limit slots 15 opened on the inner walls of the front and rear sides of the box body 6. The position of the cooling coil is restricted through the cooperation of the support frame 10 and the limit slots 15. The heat conduction mechanism can improve the heat conduction and heat exchange effect of the cooling coil, improve the condensation working efficiency. And the support frame 10 can play a role in strengthening and supporting the cooling coil, enabling the cooling coil to maintain stability and ensuring that the overall shape will not be deformed or offset, avoiding the influence of deformation and offset on the use effect of the condenser 9. Moreover, the setting of the support frame 10 also facilitates the insertion or extraction of the condenser 9 into or from the box body 6, improving the use convenience and avoiding collision damage between the condenser 9 and the inner wall of the box body 6.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A condensing mechanism of an evaporation tower for preparing neopentyl glycol, characterized in that: include A condensation box (4), the condensation box (4) being arranged on the outer side of the upper end of the evaporation tower (1), the upper end of the evaporation tower (1) being arranged with an upper cover (2), the upper end of the upper cover (2) being connected to the exhaust pipe (3), the end of the exhaust pipe (3) being connected to the condensation box (4), one side of the condensation box (4) being arranged with an opening, the outer side of the opening being sealed and fixed with a box door (8) by bolts, the inner side of the box door (8) being arranged with a condenser (9), the condenser (9) being plugged into the condensation box (4), the upper end of the condensation box (4) being connected to the exhaust pipe (13), the lower end of the condensation box (4) being connected to the water return pipe (5), the end of the water return pipe (5) being connected to one side of the upper end of the evaporation tower (1); The condenser (4) comprises a box body (6), a steam input pipe (7) is connected in the middle of one side of the box body (6), the steam input pipe (7) is connected to the exhaust pipe (3) via a sealing flange, an air outlet pipe (13) is connected in the middle of the upper end of the box body (6), the upper end of the air outlet pipe (13) is connected to the gas pipeline via a flange and is connected to the outside, and a drainage pipe (14) is connected in the lower end of the box body (6), and the drainage pipe (14) is connected to the return pipe (5) via a sealing flange; One side of the box body (6) is connected to a box door (8) by bolts, and a condenser (9) is arranged on the inner side of the box door (8). The condenser (9) comprises a cooling coil, and both ends of the cooling coil pass through the box door (8) to be connected to the outer side, and the ends are respectively connected to a water delivery pipe (11) and a side of a water outlet pipe (12). The cooling coil is provided with a plurality of evenly distributed groups, and the ends of the water delivery pipe (11) and the water outlet pipe (12) are respectively connected to water pipes, and the water pipes are connected to a circulating water tank, wherein the middle of the water pipe connected to the water delivery pipe (11) is also connected to a booster water pump; A heat conduction mechanism is arranged on the outside of the cooling coil, and the heat conduction mechanism includes heat conduction fins arranged on the outside of the cooling coil. The heat conduction fins are in the shape of a ring, and are evenly distributed in a plurality of groups on the outside of the cooling coil. A support frame (10) is fixedly connected to the outside of the middle of the bending part of the cooling coil. The support frame (10) is a plate-like structure. Both ends of the support frame (10) are slidably inserted into limit slots (15) provided on the inner walls of the front and rear sides of the box body (6), and the position of the cooling coil is limited by the cooperation between the support frame (10) and the limit slots (15).

2. The condensing mechanism of the evaporation tower for preparing neopentyl glycol according to claim 1, characterized in that: A water collecting trough (16) is provided at the lower end of the box body (6). The side surface of the water collecting trough (16) is an inclined surface, and the lower end converges toward the middle. The middle of the bottom of the water collecting trough (16) is the connection point of the drainage pipe (14). A plurality of groups of evenly distributed limit slots (15) are provided on the inner walls of the front and rear sides of the box body (6).

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