Reaction heat utilization device for producing ethylene carbonate

Abstract

The utility model relates to the technical field of ethylene carbonate processing, in particular to a reaction heat utilization device for producing ethylene carbonate, which comprises a fixed support, a reaction cylinder is fixed inside the fixed support, heat exchange water tanks are distributed on the left side of the reaction cylinder up and down, and the top of the left side of the reaction cylinder is connected with a heat recovery pipe. The bottom of the heat recovery pipe is connected with a heat conversion pipe in a bilateral symmetry manner, the middle section of the heat conversion pipe is provided with an electric control valve, and the bottom of the heat conversion pipe extends into the heat recovery pipe and is connected with a spiral coil pipe. Cold water in the heat exchange water tanks is heated separately, heat utilization and recovery are achieved, energy is saved, the two sets of heat exchange water tanks conduct heating alternately, no neutral period exists, waste is avoided, and the device is more practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to ethylene carbonate processing technical field, specifically for a kind of reaction heat utilization device of production ethylene carbonate. BACKGROUND

[0002] Ethylene carbonate (EC) is a kind of excellent organic solvent, can dissolve a variety of polymers;In addition, it can be used as organic intermediate, can replace ethylene oxide for di oxygenation reaction, and is the main raw material of ester exchange method production dimethyl carbonate;It can also be used as raw material for synthesis of furanazole, water glass-based slurry, fiber finishing agent, etc.;In addition, it is also applied to lithium battery electrolyte.Ethylene carbonate can also be used as active intermediate for producing lubricating oil and grease, and ethylene carbonate (EC) is a synthetic reaction, which will release heat.

[0003] A large amount of heat will be generated during the reaction of ethylene carbonate, and the heat will be wasted if not utilized.

[0004] Therefore, it is particularly important to design a reaction heat utilization device for producing ethylene carbonate to change the above technical defects and improve the overall practicability. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of reaction heat utilization device for producing ethylene carbonate to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of reaction heat utilization device for producing ethylene carbonate, including fixed support, the inside of the fixed support is fixed with reaction cylinder, the left side of the reaction cylinder is distributed with heat exchange water tank up and down, the top of the left side of the reaction cylinder is connected with heat recovery pipe, the bottom of the heat recovery pipe is connected with heat conversion pipe left and right symmetrical, the middle section of the heat conversion pipe is installed with electric control valve, the bottom of the heat conversion pipe extends to the inside of heat recovery pipe and is connected with spiral coil pipe, the position of the outside of the heat recovery pipe and close to bottom is connected with water outlet, the middle section of the water outlet is installed with drain valve, the outer end of the water outlet is connected with filter cylinder, the inside of the filter cylinder is installed with the active carbon filter cotton of multiple pieces distribution uniform.

[0008] As the preferred scheme of the utility model, the outside of the reaction cylinder is provided with controller, wherein controller is connected between electric control valve and drain valve by wire respectively, and the connection mode is electric connection.

[0009] As the preferred scheme of the utility model, the outside of the heat exchange water tank is provided with water inlet, wherein water inlet is connected with external water pipe.

[0010] As the preferred scheme of the utility model, the spiral coil pipe on the left side is arranged inside the heat exchange water tank on the lower side, and the bottom end of the heat conversion pipe on the left side extends to the inside of the heat exchange water tank on the lower side and is connected with the corresponding spiral coil pipe.

[0011] As the preferred scheme of the utility model, the spiral coil pipe on the right side is arranged inside the heat exchange water tank on the upper side, and the bottom end of the heat conversion pipe on the right side extends to the inside of the heat exchange water tank on the upper side and is connected with the corresponding spiral coil pipe.

[0012] As the preferred scheme of the utility model, the air outlet of the spiral coil pipe penetrates the outside of the heat exchange water tank and is close to the position of the top.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] In the utility model, the hot air generated in the reaction cylinder is recycled through the heat recovery pipe, the cold water in the heat exchange water tank is heated separately, heat recycling is realized, energy is saved, and the two groups of heat exchange water tanks are heated alternately without a blank period, so that waste is not formed, and the utility model is more practical. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure front view of the utility model;

[0016] Figure 2 It is the heat recovery pipe internal structure view of the utility model;

[0017] Figure 3 It is the filter cylinder internal structure view of the utility model.

[0018] In the drawing: 1, fixed support; 2, reaction cylinder; 3, heat exchange water tank; 4, heat recovery pipe; 401, heat conversion pipe; 402, electric control valve; 403, spiral coil pipe; 5, water outlet; 501, drain valve; 502, filter cylinder; 503, activated carbon filter cotton. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with 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 of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more relevant listed items.

[0023] Embodiment, please refer to Figures 1-3 The utility model provides a technical scheme:

[0024] A reaction heat utilization device for producing ethylene carbonate, comprising a fixed support 1, a reaction cylinder 2 is fixed in the fixed support 1, a heat exchange water tank 3 is distributed on the left side of the reaction cylinder 2 up and down, a heat recovery pipe 4 is connected to the top of the left side of the reaction cylinder 2;

[0025] Wherein the outer side of the heat exchange water tank 3 is provided with a water inlet, wherein the water inlet is connected with an external water pipe.

[0026] In this embodiment, please refer to Figure 1 And Figure 2 And Figure 3 The bottom of the heat recovery pipe 4 is connected with a heat conversion pipe 401 in left-right symmetry, an electric control valve 402 is installed in the middle section of the heat conversion pipe 401, the bottom of the heat conversion pipe 401 extends to the inside of the heat recovery pipe 4 and is connected with a spiral coil pipe 403, a water outlet 5 is connected to the position close to the bottom of the outer side of the heat recovery pipe 4, a drain valve 501 is installed in the middle section of the water outlet 5, a filter cylinder 502 is connected to the outer end of the water outlet 5, a plurality of active carbon filter cottons 503 are evenly distributed and installed in the inside of the filter cylinder 502, the water is filtered under the action of the inside active carbon filter cotton 503, so that the cleanliness of the water is improved, and the use purpose is improved.

[0027] The outer side of the reaction cylinder 2 is provided with a controller, wherein the controller is connected with the electric control valve 402 and the drain valve 501 through wires respectively, and the connection mode is electric connection, the spiral coil pipe 403 on the left side is arranged in the inside of the heat exchange water tank 3 on the lower side, the bottom end of the heat conversion pipe 401 on the left side extends to the inside of the heat exchange water tank 3 on the lower side and is connected with the corresponding spiral coil pipe 403, the spiral coil pipe 403 on the right side is arranged in the inside of the heat exchange water tank 3 on the upper side, the bottom end of the heat conversion pipe 401 on the right side extends to the inside of the heat exchange water tank 3 on the upper side and is connected with the corresponding spiral coil pipe 403, and the air outlet of the spiral coil pipe 403 penetrates the outside of the heat exchange water tank 3 and is close to the position of the top.

[0028] The working process of the utility model: in use, two groups of heat exchange water tanks 3 are filled with water, the hot air generated in the reaction cylinder 2 is recycled through the heat recovery pipe 4, at this time, one of the electric control valves 402 is opened first, the hot air enters the heat exchange water tank 3 through the heat conversion pipe 401, then the cold water is heated through the spiral coil pipe 403, so that the water temperature rises, after rising, the staff can discharge, in the discharge, the electric control valve 402 is closed and the other electric control valve 402 is opened, so that the hot air enters the other heat exchange water tank 3 through the heat conversion pipe 401, then the cold water is heated through the spiral coil pipe 403, the two groups of heat exchange water tanks 3 are heated alternately and there is no off-peak period, so that waste is not formed, it is more practical, when discharging water, the water can pass through the filter cylinder 502, and the water is filtered under the action of the activated carbon filter cotton 503 in the inside, so that the cleanliness of the water is improved, and the use purpose is improved.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A reaction heat utilization device for producing ethylene carbonate, comprising a fixed support (1), characterized in that: The inside of the fixed support (1) is fixed with a reaction cylinder (2), the left side of the reaction cylinder (2) is distributed with heat exchange water tanks (3) up and down, the top of the left side of the reaction cylinder (2) is connected with a heat recovery pipe (4), the bottom of the heat recovery pipe (4) is connected with heat conversion pipes (401) left and right symmetrically, the middle section of the heat conversion pipe (401) is installed with an electric control valve (402), the bottom of the heat conversion pipe (401) extends to the inside of the heat recovery pipe (4) and is connected with a spiral coil pipe (403), the outside of the heat recovery pipe (4) and close to the bottom is connected with a water outlet (5), the middle section of the water outlet (5) is installed with a drain valve (501), the outer end of the water outlet (5) is connected with a filter cylinder (502), the inside of the filter cylinder (502) is installed with a plurality of uniformly distributed activated carbon filter cotton (503).

2. The reaction heat utilization apparatus for producing ethylene carbonate according to claim 1, characterized by: The outside of the reaction cylinder (2) is provided with a controller, wherein the controller is connected with the electric control valve (402) and the drain valve (501) through wires respectively, and the connection mode is electrical connection.

3. The reaction heat utilization apparatus for producing ethylene carbonate according to claim 1, characterized by: The outside of the heat exchange water tank (3) is provided with a water inlet, wherein the water inlet is connected with an external water pipe.

4. The device for utilizing reaction heat in the production of ethylene carbonate according to claim 1, characterized by: The spiral coil pipe (403) located on the left side is arranged in the inside of the heat exchange water tank (3) located on the lower side, and the bottom end of the heat conversion pipe (401) located on the left side extends to the inside of the heat exchange water tank (3) located on the lower side and is connected with the corresponding spiral coil pipe (403).

5. The device for utilizing reaction heat in the production of ethylene carbonate according to claim 1, wherein: The spiral coil pipe (403) located on the right side is arranged in the inside of the heat exchange water tank (3) located on the upper side, and the bottom end of the heat conversion pipe (401) located on the right side extends to the inside of the heat exchange water tank (3) located on the upper side and is connected with the corresponding spiral coil pipe (403).

6. The reaction heat utilization apparatus for producing ethylene carbonate according to claim 1, characterized by: The air outlet of the spiral coil pipe (403) penetrates the outside of the heat exchange water tank (3) and is close to the top.

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