CN219701133U - Reflux condensing device for glycidyl methacrylate production - Google Patents

Abstract

The utility model discloses a reflux condensing device for glycidyl methacrylate production, which comprises a heater, wherein a heating kettle is arranged on the heater, a fractionating head is arranged at the top of the heating kettle, the fractionating head is connected with the upper end of a condenser, a water outlet and a water inlet are arranged at positions, close to the upper end and the lower end, of the outer wall of the condenser, two groups of steam blocking grooves and switching tubes are symmetrically arranged at the two ends of an inner cavity of the condenser respectively, and the two groups of switching tubes are arranged on opposite surfaces of the two steam blocking grooves respectively. According to the utility model, the steam blocking groove, the transfer pipe, the spiral condensing pipe and the sieve plate are arranged, steam can be blocked through the arrangement of the sieve plate in the steam blocking groove, and the flow speed of the steam can be slowed down through the steam holes on the sieve plate, so that the condensing efficiency is improved, and the problem that the condensing effect is poor due to the fact that the condensing pipe of the existing reflux condensing device for producing glycidyl methacrylate is mostly a straight pipe, and the occupied space is large due to the fact that the reflux pipe is required to be added or the length of the condensing pipe is increased is solved.

Description

Reflux condensing device for glycidyl methacrylate production

Technical Field

The utility model relates to the technical field of reflux condensers, in particular to a reflux condensing device for glycidyl methacrylate production.

Background

And distilling the stirred raw material for producing the glycidyl methacrylate, and then obtaining the glycidyl methacrylate through a reflux condensing device. The condenser tube inside the condenser of the existing glycidyl methacrylate reflux condensing device for production and processing of enterprises is a straight tube, and distilled gas has higher speed of entering and exiting the condenser tube due to no resistance when passing through the straight condenser tube, and shorter residence time, so that only a part of the gas entering the condenser tube is condensed, and in order to avoid material waste, the reflux tube is increased to re-condense, or the length of the condenser is increased, and no matter what way is, the condenser tube occupies a larger space and has defects, so that the reflux condensing device for production of glycidyl methacrylate with improved structure is provided.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a reflux condensing device for glycidyl methacrylate production, which is used for solving the problems that the existing reflux condensing device for glycidyl methacrylate production is poor in condensing effect due to the fact that a reflux pipe is required to be added or the length of the condensation pipe is increased, so that the occupied space is large due to the fact that the condensation pipe is mostly straight.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a glycidyl methacrylate production reflux condensing equipment, includes the heater, be provided with the heating cauldron on the heater, the top of heating cauldron is provided with the fractionation head, the fractionation head links to each other with the upper end of condenser, the condenser outer wall is close to the position department at upper and lower both ends and is provided with delivery port and water inlet, the both ends of condenser inner chamber divide the symmetry to be provided with two sets of vapour-blocking grooves and transfer pipe respectively, two sets of the transfer pipe sets up respectively at the opposite face of two vapour-blocking grooves, two sets of be provided with the spiral condenser pipe between the transfer pipe, the inside of vapour-blocking groove is provided with the sieve, be provided with vapour hole and liquid flow groove on the sieve, the lower extreme of condenser is provided with the receiver tube, the upper end of receiver tube is provided with the tail gas emission pipe, the comdenstion water discharge port of receiver tube lower extreme is connected with the storage container.

Preferably, a plurality of spiral condensing pipes are arranged between the two groups of steam-blocking grooves.

Preferably, the transfer pipe is in threaded connection with the steam blocking groove and the spiral condensing pipe.

Preferably, the sieve plate is perpendicular to the steam blocking groove, and the flow groove is positioned at the bottom of the sieve plate.

Preferably, the height of the tail gas discharge pipe of the receiving pipe is not less than the height of the fractionating head.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the steam blocking groove, the transfer pipe, the spiral condensing pipe and the sieve plate are arranged, the steam can be blocked through the arrangement of the sieve plate in the steam blocking groove, and the flow speed of the steam can be slowed down through the steam holes on the sieve plate, so that the condensing efficiency is improved, condensed liquid generated in the steam blocked by the sieve plate is attached to the surface of the sieve plate, the flow groove at the bottom of the steam blocking groove is used for flowing the liquid to the transfer pipe, and the flow speed of the steam in the condenser can be further slowed down through the spiral condensing pipe, so that the passing steam is condensed more fully, the volume and occupied space of the whole device are not required to be increased, the space resource of a workshop is saved, and the problems that the condensing effect is poor, the return pipe is required to be increased or the occupied space is large due to the increase of the length of the condensing pipe are solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the condenser of the present utility model;

fig. 3 is a schematic view of the structure of the screen plate at the corresponding position of the screen plate according to the present utility model.

In the figure: 1. a heater; 2. heating the kettle; 3. a fractionation head; 4. a condenser; 401. a water outlet; 402. a water inlet; 5. a steam blocking groove; 6. a transfer tube; 7. a spiral condenser tube; 8. a sieve plate; 801. a steam hole; 802. a liquid flowing tank; 9. a receiving tube; 901. a tail gas discharge pipe; 902. a condensed water discharge port; 10. a storage container.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a glycidyl methacrylate production reflux condensing equipment, including heater 1, be provided with heating kettle 2 on the heater 1, the top of heating kettle 2 is provided with fractionation head 3, fractionation head 3 links to each other with the upper end of condenser 4, the position department that condenser 4 outer wall is close to upper and lower both ends is provided with delivery port 401 and water inlet 402, the both ends of condenser 4 inner chamber divide equally symmetry to be provided with two sets of vapour-blocking groove 5 and transfer pipe 6, be provided with many screw condensation pipe 7 between two sets of vapour-blocking groove 5, improve condensation efficiency, slow down the gas velocity of flow, transfer pipe 6 and vapour-blocking groove 5 and screw condensation pipe 7 threaded connection, conveniently dismantle the change maintenance, two sets of transfer pipe 6 set up respectively at the opposite face of two vapour-blocking groove 5, be provided with screw condensation pipe 7 between two sets of transfer pipe 6, the inside of vapour-blocking groove 5 is provided with sieve 8, sieve 8 is perpendicular with vapour-blocking groove 5, and the flow groove 802 is located the bottom of 8, make the condensate that the 8 surface produced flow through flow groove 802, avoid the liquid to live vapour hole 801 excessively, be provided with many vapour-blocking groove 802 and the condensate water receiving duct 9 of condensate pipe 901, the exhaust pipe 901 is provided with the exhaust pipe 901, the exhaust receiving pipe 9 is located at the end of sieve, the low temperature of exhaust pipe 901 is located at the end of receiving pipe 9, the exhaust pipe is further, the exhaust pipe is connected to exhaust pipe of exhaust pipe 901, the exhaust pipe of exhaust pipe 901 is provided with the exhaust pipe of exhaust pipe 9.

Working principle: raw materials in the heating kettle 2 are heated through the heater 1, heated and evaporated gas enters the inner cavity of the steam blocking groove 5 through the fractionating head 3, the gas is blocked by the sieve plate 8 to slow down the flow speed and increase the residence time in the steam blocking groove 5, and the steam enters the spiral condensing pipes 7 arranged at two ends of the transfer pipe 6 from the steam holes 801, so that the gas is further condensed, the transfer pipe 6 is conveniently detached and replaced by adopting threaded connection with the spiral condensing pipes 7, and condensed liquid generated on the surface of the sieve plate 8 flows to the transfer pipe 6 through the liquid flowing groove 802.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The reflux condensing device for glycidyl methacrylate production comprises a heater (1), and is characterized in that: be provided with heating cauldron (2) on heater (1), the top of heating cauldron (2) is provided with fractionating head (3), the upper end of fractionating head (3) and condenser (4) links to each other, the position department that condenser (4) outer wall is close to upper and lower both ends is provided with delivery port (401) and water inlet (402), the both ends of condenser (4) inner chamber are all symmetry respectively and are provided with two sets of vapour blocking groove (5) and transfer pipe (6), two sets of transfer pipe (6) set up respectively in the opposite face of two vapour blocking grooves (5), two sets of be provided with spiral condenser pipe (7) between transfer pipe (6), the inside of vapour blocking groove (5) is provided with sieve (8), be provided with vapour hole (801) and fluid groove (802) on sieve (8), the lower extreme of condenser (4) is provided with receiver tube (9), the upper end of receiver tube (9) is provided with tail gas discharge pipe (901), the discharge port (902) of receiver tube (9) lower extreme is connected with condensate water storage container (10).

2. The reflux condenser for glycidyl methacrylate production according to claim 1, wherein: a plurality of spiral condensing pipes (7) are arranged between the two groups of steam-blocking grooves (5).

3. The reflux condenser for glycidyl methacrylate production according to claim 1, wherein: the switching pipe (6) is in threaded connection with the steam blocking groove (5) and the spiral condensing pipe (7).

4. The reflux condenser for glycidyl methacrylate production according to claim 1, wherein: the sieve plate (8) is perpendicular to the steam-blocking groove (5), and the flow groove (802) is positioned at the bottom of the sieve plate (8).

5. The reflux condenser for glycidyl methacrylate production according to claim 1, wherein: the height of the tail gas discharge pipe (901) of the receiving pipe (9) is not smaller than the height of the fractionating head (3).