CN219223414U

CN219223414U - Hydrogen cooler for preparing ethylene glycol

Info

Publication number: CN219223414U
Application number: CN202222944016.0U
Authority: CN
Inventors: 宋华
Original assignee: Xi'an Sino Green Hi Tech Co ltd
Current assignee: Xi'an Sino Green Hi Tech Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-06-20
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to the technical field of ethylene glycol preparation, in particular to a hydrogen cooler for preparing ethylene glycol, which comprises a cooling pipe body, wherein one side position of the cooling pipe body is connected with a sealing head in a sealing way, the top end position of the cooling pipe body is communicated with a hot fluid inlet, and a liquid feeding pipeline is arranged above the hot fluid inlet.

Description

Hydrogen cooler for preparing ethylene glycol

Technical Field

The utility model relates to the technical field of ethylene glycol preparation, in particular to a hydrogen cooler for preparing ethylene glycol.

Background

Ethylene glycol can be mutually dissolved with water and acetone, but the solubility is smaller in ethers, the ethylene glycol can be used as a solvent, an antifreezing agent and a raw material for synthesizing terylene in daily life, after finishing the processing and preparation operation of the ethylene glycol, a cooler for carrying out heat exchange is needed by taking hydrogen hydride as a refrigerant to cool and exchange heat on an ethylene glycol solution, when the cooling and exchange operation is carried out on the ethylene glycol with overhigh temperature after finishing the preparation operation by taking hydrogen hydride as the refrigerant, the hot fluid end part of the cooler is connected with a hot fluid pipeline in a multi-bolt fixing mode, and after long-time use, a sealing piece in the fixing structure can generate a thermal expansion deformation phenomenon due to the heat transfer effect in the process of introducing the ethylene glycol with overhigh temperature, and the deformation phenomenon affects the sealing performance of the multi-bolt fixing structure and the connection of the hot fluid pipeline, and the ethylene glycol sent out from the hot fluid pipeline can easily leak from a seam generated at the installation position of the sealing piece after the thermal expansion phenomenon when the ethylene glycol is continuously sent.

Disclosure of Invention

The utility model aims to provide a hydrogen cooler for preparing ethylene glycol, which solves the problem that the connection tightness between the hydrogen cooler and an ethylene glycol pipeline is poor due to the influence of thermal expansion deformation of a sealing element in the multi-bolt fixing structure proposed in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a hydrogen cooler of preparation ethylene glycol, includes the cooling body, one side position sealing connection of cooling body has the head, and the top position switch-on of cooling body has the hot fluid inlet, the liquid pipeline is installed to the top position of hot fluid inlet, and the bottom middle part position of liquid pipeline is provided with auxiliary joint through integrated into one piece, auxiliary joint's bottom position switch-on has the liquid outlet, the top outside of liquid pipeline has cup jointed the upper gasket, hollow sleeve pipe has been installed to the inside top spiral of hot fluid inlet, and hollow sleeve pipe's bottom position overlap joint is equipped with the tray, integrated into one piece sets up between tray and the hot fluid inlet, the lower packing ring is installed to hollow sleeve pipe's inside top block.

Preferably, the inside one side position of cooling body is provided with U type pipe body, and the inside of U type pipe body is put through each other through the inside of cooling body and head, the bottom one side position switch-on of cooling body has the hot fluid export, the inside upper and middle position fixedly connected with baffling board of cooling body, and the baffling board is equidistant structural distribution setting.

Preferably, the upper end and the lower end of the sealing head are respectively provided with a cold fluid inlet and a cold fluid outlet, the bottom end of the cold fluid inlet is provided with an extension pipe orifice, the extension pipe orifice and the sealing head are integrally formed, and an auxiliary square frame is sleeved outside the extension pipe orifice.

Preferably, the bolt fastening between auxiliary square frame and the head, and the inside both sides top position of auxiliary square frame all is equipped with the side cardboard, a set of the appearance of side cardboard is semicircle structure distribution setting, a set of the rear position of side cardboard all rotates and is connected with movable swash plate, a set of the equal fixedly connected with of one side below position of movable swash plate links up the piece, and the external connection of linking piece has the spring, a set of the welding between the medial surface of auxiliary square frame is all with one side end of spring, a set of the movable swash plate respectively with extend the mouth of pipe about the position adjacent setting.

Preferably, the butt sets up between last packing ring and the liquid delivery pipeline, and the inside of liquid delivery pipeline is through auxiliary joint and the inside intercommunication of play liquid pipe mouth, shape identical between the inner of the cell body of seting up of the inside top of cavity sleeve pipe of auxiliary joint, and block connection between cavity sleeve pipe and the auxiliary joint, cavity sleeve pipe and play liquid pipe mouth alternate and set up, cavity sheathed tube inside is provided with the lower packing ring that is trapezoidal hollow structure and distributes the setting, and hugs closely the setting between the medial surface of lower packing ring and the surface of auxiliary joint.

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

1. according to the utility model, through the hollow sleeve, the liquid feeding pipeline, the lower gasket, the upper gasket, the auxiliary joint, the hot fluid inlet and the tray, the liquid outlet end part of the circulating glycol formed by connecting the auxiliary joint and the liquid outlet pipe orifice is in sealing connection with the hot fluid inlet port of the cooler in a fit insertion mode, and the cooler is matched for carrying out heat exchange treatment on the introduced glycol, compared with the prior multi-bolt fixed sealing connection structure which can be influenced by deformation of a sealing element, the sealing-insertion type liquid inlet connection structure can effectively prevent the phenomenon that the glycol overflows and leaks in the process of being fed into the cooler;

2. in the utility model, through the auxiliary square frame, the spring, the connecting block, the side clamping plate, the extension pipe orifice, the end socket and the cold fluid inlet, in the process that the hydride refrigerant made of hydrogen flows into the upper cavity of the end socket rapidly, a group of movable inclined plates play a certain buffering auxiliary role on the fluid rapidly poured into the cooler through the connecting block by means of the rebound acting force generated after the spring subjected to the impact acting force of the liquid is deformed, and the impact generated when the fluid rapidly flows into the cooler is effectively slowed down by utilizing the auxiliary buffering structure which is assembled, so that the serious erosion on the inside of the U-shaped bent pipe section in the cold area device caused by the too fast flow velocity of the refrigerant fluid can be effectively avoided, and the service life of the U-shaped bent pipe section in the cold area device is influenced.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present utility model;

fig. 4 is a schematic view of the hollow sleeve structure of the present utility model.

In the figure: the cooling device comprises a 1-cooling pipe body, a 2-end enclosure, a 3-hot fluid inlet, a 4-liquid conveying pipeline, a 5-auxiliary joint, a 6-hollow sleeve, a 7-lower gasket, an 8-liquid outlet pipe orifice, a 9-tray, a 10-upper gasket, an 11-U-shaped pipe body, a 12-baffle plate, a 13-hot fluid outlet, a 14-cold fluid inlet, a 15-cold fluid outlet, a 16-auxiliary box, a 17-extension pipe orifice, a 18-side clamping plate, a 19-movable inclined plate, a 20-connecting block and a 21-spring.

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.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a hydrogen cooler of preparation ethylene glycol, including cooling body 1, one side position sealing connection of cooling body 1 has head 2, and cooling body 1's top position switch-on has hot fluid inlet 3, liquid pipeline 4 is installed to hot fluid inlet 3's top position, and liquid pipeline 4's bottom middle part position is provided with auxiliary joint 5 through integrated into one piece, auxiliary joint 5's bottom position switch-on has liquid outlet 8, liquid pipeline 4's top outside has cup jointed last packing ring 10, hollow sleeve 6 is installed to hot fluid inlet 3's inside top position spiral, and hollow sleeve 6's bottom position overlap joint is equipped with tray 9, integrated into one piece sets up between tray 9 and the hot fluid inlet 3, lower packing ring 7 is installed in hollow sleeve 6's inside top position block.

As shown in fig. 1, a U-shaped pipe body 11 is arranged at one side of the inside of a cooling pipe body 1, the inside of the U-shaped pipe body 11 is communicated with the inside of a sealing head 2 through the cooling pipe body 1, a hot fluid outlet 13 is communicated at one side of the bottom end of the cooling pipe body 1, baffle plates 12 are fixedly connected to the upper middle position of the inside of the cooling pipe body 1, the baffle plates 12 are distributed in an equidistant structure, and under the cooperation of the fixed connection, the arrangement of a plurality of baffle plates 12 can play a certain guiding auxiliary role on the flow of glycol solution after the preparation operation is completed; the cold fluid inlet 14 and the cold fluid outlet 15 are respectively arranged at the upper end and the lower end of the seal head 2, the extension pipe orifice 17 is arranged at the bottom end of the cold fluid inlet 14, the extension pipe orifice 17 and the seal head 2 are integrally formed, an auxiliary square frame 16 is sleeved outside the extension pipe orifice 17, the inside of the seal head 2 is divided into an upper cavity and a lower cavity by a sealing partition plate arranged in the middle, and hydride refrigerant made of hydrogen flowing to the outlet end position of the U-shaped pipe body 11 is taken out of the cooler through the inside of the cold fluid outlet 15 after flowing through the lower cavity in the inside of the seal head 2.

As shown in fig. 1 and 3, the auxiliary frame 16 and the sealing head 2 are fixed by bolts, side clamping plates 18 are arranged above both sides of the inside of the auxiliary frame 16, the shapes of a group of side clamping plates 18 are distributed and arranged in a semicircular structure, movable sloping plates 19 are rotationally connected to the rear positions of a group of side clamping plates 18, connecting blocks 20 are fixedly connected to the lower positions of one sides of a group of movable sloping plates 19, springs 21 are connected to the outside of the connecting blocks 20, one side ends of a group of springs 21 are welded and fixed with the inner side surfaces of the auxiliary frame 16, a group of movable sloping plates 19 are respectively arranged adjacent to the upper and lower positions of the extension pipe orifice 17, and when the auxiliary frame 16 is fixedly arranged above the upper cavity of the sealing head 2 in advance, the outside of the extension pipe orifice 17 is just covered, when the cooler is connected with the cold fluid pipeline through the cold fluid inlet 14 in advance, and hydride refrigerant made of hydrogen and carried out from the inside of the cold fluid pipeline rapidly flows into the upper cavity of the seal head 2 through the cold fluid inlet 14 and the inside of the extension pipe orifice 17, as shown in fig. 3, under the auxiliary cooperation of the auxiliary square frame 16 and the group of side clamping plates 18, the arrangement of the group of movable inclined plates 19 can play a certain buffering auxiliary role on the fluid rapidly poured into the cooler by virtue of the rebound force generated after deformation of the spring 21 subjected to the impact force of the liquid in the process of rapidly feeding the refrigerant into the upper cavity of the seal head 2 while the hydride refrigerant made of hydrogen is not interfered in the process of rapidly flowing into the upper cavity of the seal head 2.

As shown in fig. 1, fig. 2 and fig. 4, the upper gasket 10 is arranged in an abutting manner with the liquid delivery pipe 4, the inside of the liquid delivery pipe 4 is mutually communicated with the inside of the liquid delivery pipe 8 through the auxiliary joint 5, the outer end of the auxiliary joint 5 is matched with the inner end of the groove body formed above the inside of the hollow sleeve 6, the hollow sleeve 6 is connected with the auxiliary joint 5 in a clamping manner, the hollow sleeve 6 and the liquid delivery pipe 8 are arranged in an penetrating manner, the lower gasket 7 distributed in a trapezoid hollow structure is arranged in the inside of the hollow sleeve 6, the inner side surface of the lower gasket 7 is tightly attached to the outer surface of the auxiliary joint 5, the hollow sleeve 6 is assembled with the heat fluid inlet 3 by means of the spiral, after the hollow sleeve 6 abuts against the top position of the tray 9, the lower gasket 7 is carried in advance and is mounted on the upper position inside of the heat fluid inlet 3, under the cooperation of manual operation, the auxiliary joint 5 always connected with the liquid delivery pipe 4 is clamped into the upper position inside of the hollow sleeve 6, the liquid delivery pipe 8 is just inserted into the inside of the hollow sleeve 6, the lower gasket 7 is arranged at the bottom of the hollow sleeve 6, the lower gasket 7 is arranged in a lower gasket is in a trapezoid hollow structure, the lower gasket is distributed with the lower gasket, the upper gasket is matched with the upper gasket 5, the upper gasket is matched with the upper side of the inside of the heat fluid inlet 3, the heat exchanger is cooled down, and the glycol is conveniently cooled down, and the liquid is conveniently sealed, and the liquid is delivered into the heat exchanger through the heat exchanger, and the heat exchanger is cooled down by the glycol.

The working flow is as follows: when the preparation of the glycol is completed and the cooling treatment is required to be carried out on the glycol with high temperature, the glycol solution sent out from the interior of the hot fluid liquid sending pipeline is subjected to rapid heat exchange cooling by the aid of the heat exchange generated in the convection process of the cold and hot liquid, so that the glycol solution after the preparation operation is cooled down, and the cooling structure of the U-shaped pipe shell is disclosed in the related art.

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

1. The utility model provides a hydrogen cooler of preparation ethylene glycol, includes cooling body (1), its characterized in that: one side position sealing connection of cooling body (1) has head (2), and the top position switch-on of cooling body (1) has hot fluid inlet (3), send liquid pipeline (4) are installed in the top position of hot fluid inlet (3), and send the bottom middle part position of liquid pipeline (4) to be provided with auxiliary joint (5) through integrated into one piece, the bottom position switch-on of auxiliary joint (5) has liquid outlet (8), the top outside of sending liquid pipeline (4) has cup jointed last packing ring (10), hollow sleeve (6) are installed to the inside top position spiral of hot fluid inlet (3), and the bottom position overlap joint of hollow sleeve (6) is equipped with tray (9), integrated into one piece sets up between tray (9) and hot fluid inlet (3), lower packing ring (7) are installed in the inside top position block of hollow sleeve (6).

2. A hydrogen cooler for producing ethylene glycol according to claim 1, wherein: the cooling pipe comprises a cooling pipe body (1), wherein a U-shaped pipe body (11) is arranged at one side of the inside of the cooling pipe body (1), the inside of the U-shaped pipe body (11) is mutually communicated with the inside of a sealing head (2), a hot fluid outlet (13) is communicated with one side of the bottom of the cooling pipe body (1), a baffle plate (12) is fixedly connected to the middle upper position of the inside of the cooling pipe body (1), and the baffle plate (12) is distributed in an equidistant structure.

3. A hydrogen cooler for producing ethylene glycol according to claim 1, wherein: the cold fluid inlet (14) and the cold fluid outlet (15) are respectively arranged at the upper end and the lower end of the sealing head (2), an extension pipe orifice (17) is arranged at the bottom end of the cold fluid inlet (14), the extension pipe orifice (17) and the sealing head (2) are integrally formed, and an auxiliary square frame (16) is sleeved outside the extension pipe orifice (17).

4. A hydrogen cooler for producing ethylene glycol according to claim 3, wherein: bolt fastening between auxiliary square frame (16) and head (2), and the inside both sides top of auxiliary square frame (16) all is equipped with side cardboard (18), a set of the appearance of side cardboard (18) is semicircle structure distribution setting, a set of the rear position of side cardboard (18) all rotates and is connected with movable swash plate (19), a set of the equal fixedly connected with of one side below position of movable swash plate (19) links up piece (20), and the external connection of linking piece (20) has spring (21), a set of welding between the medial surface of auxiliary square frame (16) is all fixed to one side end of spring (21), a set of movable swash plate (19) respectively with extend mouth of pipe (17) upper and lower position adjacent setting.

5. A hydrogen cooler for producing ethylene glycol according to claim 1, wherein: the upper gasket (10) is arranged in a butt mode with the liquid delivery pipeline (4), the inside of the liquid delivery pipeline (4) is communicated with the inside of the liquid delivery pipeline (8) through an auxiliary joint (5), the outer end of the auxiliary joint (5) is identical to the inner end of a groove body formed in the upper portion of the inside of the hollow sleeve (6), the hollow sleeve (6) is connected with the auxiliary joint (5) in a clamping mode, the hollow sleeve (6) and the liquid delivery pipeline (8) are arranged in an interpenetration mode, a lower gasket (7) which is arranged in a trapezoid hollow structure mode is arranged in the inside of the hollow sleeve (6), and the inner side face of the lower gasket (7) is in tight fit with the outer surface of the auxiliary joint (5).