Acetaldehyde condensation recovery device

Abstract

The utility model discloses an acetaldehyde condensation recovery device, and relates to the technical field of acetaldehyde condensation recovery, the acetaldehyde condensation recovery device comprises a device main body and a condensation recovery device, and the condensation recovery device is arranged above the device main body; the condensation recovery device comprises a filtering assembly, a pre-cooling assembly and a flow dividing assembly, the filtering assembly is installed on the left side of the top end of the device body, the pre-cooling assembly is arranged on the right side of the filtering assembly, and the flow dividing assembly is installed at the top end of the pre-cooling assembly. Through the arrangement of the condensation recovery device, acetaldehyde gas is filtered through the filter plates, dust and impurities mixed in the acetaldehyde gas are removed, meanwhile, the acetaldehyde gas is filtered step by step through the multiple sets of filter plates, and the impurity removing and filtering effect on the acetaldehyde gas is improved; external air is pumped into the pre-cooling tank through the air inlet pump, and normal-temperature or cooled air is mixed with acetaldehyde gas to quickly exchange heat with the acetaldehyde gas, so that the temperature of the gas is preliminarily reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to acetaldehyde condensation recovery technical field especially relates to a kind of acetaldehyde condensation recovery device. BACKGROUND

[0002] Acetaldehyde is a volatile organic compound, in many industrial production processes, acetaldehyde as raw material or intermediate product participates in reaction. Since the boiling point of acetaldehyde is lower (about 20 ℃ at normal pressure), it is easy to volatilize into the air in the reaction process, not only will cause the waste of resources, also can cause harm to environment and human health;Therefore, acetaldehyde is usually condensed and recovered in industrial production process.

[0003] Through the retrieval, the case with announcement number:“CN221006006U”mentioned“the utility model discloses an acetaldehyde condensation recovery system, including box body, both sides of the top of the box body inner chamber are fixedly connected with support plate, the support plate between fixedly connected with condenser pipe, the bottom of the box body inner chamber is fixedly connected with condenser box, the top of the condenser box and the bottom of condenser pipe are communicated, the right side of the top of the box body is fixedly connected with conveying fan.”, it is through the cooperation of multiple structures, carries out double condensation and refrigeration, improves the efficiency of condensation to acetaldehyde, but traditional condensation process needs to consume a lot of energy to maintain low temperature state, increases production cost.

[0004] Therefore, we provide a kind of acetaldehyde condensation recovery device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of acetaldehyde condensation recovery device, solve the problem raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of acetaldehyde condensation recovery device, including device main body and condensation recovery device, the top of the device main body is provided with condensation recovery device;

[0007] The condensation recovery device includes filter assembly, precooling component and shunt component, the top left side of the device main body is installed with filter assembly, the right side of the filter assembly is provided with precooling component, and the top of the precooling component is installed with shunt component.

[0008] Preferably, the filter assembly includes filter tank, air inlet and filter plate, the top left side of the device main body is installed with filter tank, the left side of the filter tank is provided with air inlet, and the inside of the filter tank is installed with filter plate.

[0009] Preferably, the filter plate is provided with three groups, and the filter hole diameter of the three groups of filter plates gradually decreases from left to right.

[0010] Preferably, the pre-cooling assembly comprises a pre-cooling tank, an air inlet pump, an air conveying pipe and a protective screen, the pre-cooling tank is connected to the right side pipe of the filter tank, the air inlet pump is installed at the front and back ends of the pre-cooling tank, and the air inlet pump is in communication with the pre-cooling tank through the air conveying pipe.

[0011] Preferably, the left side of the air inlet pump is provided with the protective screen, and the protective screen is made of cotton screen material.

[0012] Preferably, the shunt assembly comprises a condenser, a shunt valve, a condensate collecting pipe, an exhaust pipe and a guide fan, the condenser is connected to the upper pipe of the pre-cooling tank, the shunt valve is installed at the left end of the condenser, and the condensate collecting pipe is installed at the bottom end of the shunt valve.

[0013] Preferably, the top end of the shunt valve is provided with the exhaust pipe, and the guide fan is arranged in the exhaust pipe.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. Through the setting of the condensation recovery device, the acetaldehyde gas is filtered by the filter plate to remove dust and impurities mixed in the acetaldehyde gas, and the acetaldehyde gas is filtered by multiple filter plates in stages to improve the impurity removal and filtration effect of the acetaldehyde gas. After the acetaldehyde gas enters the pre-cooling tank, the air outside the pre-cooling tank is sucked into the pre-cooling tank by the air inlet pump, and the air at normal temperature or after cooling is mixed with the acetaldehyde gas to rapidly exchange heat with the acetaldehyde gas, thereby preliminarily reducing the temperature of the gas. At the same time, the air entering the pre-cooling tank is filtered by the protective screen to prevent fine particles of dust from entering the pre-cooling tank, thereby ensuring the cleanliness of the pre-cooling tank. In this way, before condensation, the acetaldehyde gas is mixed with air to rapidly reduce the temperature, thereby greatly reducing the cooling time required during condensation, reducing resource consumption, and improving the speed of acetaldehyde condensation recovery.

[0016] 2. The pre-cooled acetaldehyde mixed gas enters the condenser for condensation. Since the air is a mixture of various gases, mainly including nitrogen, oxygen, argon and carbon dioxide, the liquefaction temperature of these gases is much lower than that of acetaldehyde. Therefore, during condensation, acetaldehyde can be normally condensed, while air cannot be condensed. The condensed acetaldehyde liquid is collected and stored through the condensate collecting pipe, the convenience of acetaldehyde liquid collection and recovery is improved, the guide fan is started to guide the uncondensed air, and the air is discharged through the exhaust pipe, thereby ensuring the purity of the acetaldehyde liquid recovery. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an overall front structure schematic view of the utility model;

[0018] Figure 2 It is a filter assembly structure schematic view of the utility model;

[0019] Figure 3 The precooling assembly structure schematic view provided by the utility model;

[0020] Figure 4 The shunt assembly structure schematic view provided by the utility model.

[0021] In the figure: 1, device main body; 2, condensation recovery device; 21, filter assembly; 211, filter tank; 212, air inlet; 213, filter plate; 22, precooling assembly; 221, precooling tank; 222, air inlet pump; 223, gas conveying pipe; 224, protective net; 23, shunt assembly; 231, condenser; 232, shunt valve; 233, condensation collection pipe; 234, exhaust pipe; 235, flow guide fan. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 As shown in the figure, an acetaldehyde condensation recovery device comprises a device main body 1 and a condensation recovery device 2, and the upper portion of the device main body 1 is provided with the condensation recovery device 2.

[0024] The condensation recovery device 2 comprises a filter assembly 21, a precooling assembly 22 and a shunt assembly 23, the top left side of the device main body 1 is provided with the filter assembly 21, the right side of the filter assembly 21 is provided with the precooling assembly 22, and the top of the precooling assembly 22 is provided with the shunt assembly 23.

[0025] Further, the filter assembly 21 comprises a filter tank 211, an air inlet 212 and a filter plate 213, the top left side of the device main body 1 is provided with the filter tank 211, the left side of the filter tank 211 is provided with the air inlet 212, and the inside of the filter tank 211 is provided with the filter plate 213. The acetaldehyde gas to be recovered is introduced into the filter tank 211 through the air inlet 212, and the acetaldehyde gas is filtered through the filter plate 213 to remove the dust and sundries mixed in the acetaldehyde gas.

[0026] Further, the filter plate 213 is provided with three groups, and the filter hole diameters of the three groups of filter plates 213 gradually decrease from left to right. The acetaldehyde gas is filtered step by step through the multiple groups of filter plates 213, thereby improving the sundry removal and filtering effect of the acetaldehyde gas.

[0027] Further, the pre-cooling assembly 22 comprises a pre-cooling tank 221, an air inlet pump 222, an air conveying pipe 223 and a protective screen 224. The right side pipe of the filter tank 211 is connected with the pre-cooling tank 221. The pre-cooling tank 221 is provided with the air inlet pump 222 at the front end and the rear end. The air inlet pump 222 is in communication with the pre-cooling tank 221 through the air conveying pipe 223. After the acetaldehyde gas enters the pre-cooling tank 221, the air inlet pump 222 is used to suck the external air into the pre-cooling tank 221. The air at normal temperature or after cooling is mixed with the acetaldehyde gas to rapidly exchange heat with the acetaldehyde gas, so as to preliminarily reduce the temperature of the gas.

[0028] Further, the left side of the air inlet pump 222 is provided with the protective screen 224. The protective screen 224 is made of cotton mesh material. The protective screen 224 is used to filter the air entering the pre-cooling tank 221, so as to avoid the fine dust from entering the pre-cooling tank 221 and ensure the cleanliness in the pre-cooling tank 221.

[0029] Further, the shunt assembly 23 comprises a condenser 231, a shunt valve 232, a condensate collecting pipe 233, an exhaust pipe 234 and a guide fan 235. The upper pipe of the pre-cooling tank 221 is connected with the condenser 231. The left end of the condenser 231 is provided with the shunt valve 232. The bottom end of the shunt valve 232 is provided with the condensate collecting pipe 233. The pre-cooled acetaldehyde mixed gas enters the condenser 231 to be condensed. Since the air is a mixture of various gases, mainly including nitrogen, oxygen, argon, carbon dioxide and the like, the liquefaction temperature of these gases is much lower than that of acetaldehyde. Therefore, in the condensation process, the acetaldehyde can be normally condensed, while the air cannot be condensed. The condensed acetaldehyde liquid is collected and stored through the condensate collecting pipe 233, so as to improve the convenience of acetaldehyde liquid collection and recovery.

[0030] Further, the top end of the shunt valve 232 is provided with the exhaust pipe 234. The exhaust pipe 234 is provided with the guide fan 235 inside. The guide fan 235 is started to guide the uncondensed air to be discharged through the exhaust pipe 234, so as to ensure the purity of the acetaldehyde liquid recovery.

[0031] Working principle: in use, the first step, install the device to the required use position, then the need to recover acetaldehyde gas through the gas inlet 212 is introduced into the filter tank 211, through the filter plate 213 to acetaldehyde gas filtration, remove the dust and impurities mixed in acetaldehyde gas, at the same time through the multiple filter plate 213 to acetaldehyde gas step by step filtration, improve the impurity removal effect of acetaldehyde gas filtration, the second step, after acetaldehyde gas enters the precooling tank 221, through the air inlet pump 222, the outside air is sucked into the precooling tank 221, through the air at room temperature or after cooling and acetaldehyde gas mixing, quickly exchange heat with acetaldehyde gas, thereby preliminary reduce the gas temperature, at the same time through the protective net 224 to the air entering the precooling tank 221 is filtered, avoid small particles of dust into the precooling tank 221, ensure the cleanliness of the precooling tank 221, the third step, through the precooling after acetaldehyde mixed gas enters the condenser 231 and condenses, at the same time, because the air is a mixture of various gases, mainly including nitrogen, oxygen, argon, carbon dioxide and so on, and the liquefaction temperature of these is far lower than the liquefaction temperature of acetaldehyde, so in the condensation acetaldehyde will normally condense, and air will not, the fourth step, after condensation acetaldehyde liquid is collected and stored through the condensation collection pipe 233, improve the convenience of acetaldehyde liquid collection recovery, start the guide fan 235 to guide the uncondensed air, through the exhaust pipe 234, ensure the purity of acetaldehyde liquid recovery, so as to complete a kind of use of acetaldehyde condensation recovery device.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An acetaldehyde condensation recovery device comprising a device body (1) and a condensation recovery device (2), characterized in that, The upper part of the device body (1) is provided with a condensation recovery device (2); The condensation recovery device (2) comprises a filter assembly (21), a pre-cooling assembly (22) and a shunt assembly (23), the left top end of the device body (1) is provided with the filter assembly (21), the right side of the filter assembly (21) is provided with the pre-cooling assembly (22), and the top end of the pre-cooling assembly (22) is provided with the shunt assembly (23).

2. The acetaldehyde condensation recovery device according to claim 1, characterized in that, The filter assembly (21) comprises a filter tank (211), an air inlet (212) and a filter plate (213), the left top end of the device body (1) is provided with the filter tank (211), the left side of the filter tank (211) is provided with the air inlet (212), and the inside of the filter tank (211) is provided with the filter plate (213).

3. The acetaldehyde condensation recovery device according to claim 2, characterized in that, The filter plate (213) is provided with three groups, and the filter hole diameters of the three groups of filter plates (213) gradually decrease from left to right.

4. The acetaldehyde condensation recovery device according to claim 2, characterized in that, The pre-cooling assembly (22) comprises a pre-cooling tank (221), an air inlet pump (222), a gas conveying pipe (223) and a protective net (224), the right side of the filter tank (211) is connected with the pre-cooling tank (221) through a pipeline, the front and rear ends of the pre-cooling tank (221) are provided with the air inlet pump (222), and the air inlet pump (222) is in communication with the pre-cooling tank (221) through the gas conveying pipe (223).

5. The acetaldehyde condensation recovery device according to claim 4, characterized in that, The left side of the air inlet pump (222) is provided with the protective net (224), and the protective net (224) is made of cotton net material.

6. The acetaldehyde condensation recovery device according to claim 4, wherein The shunt assembly (23) comprises a condenser (231), a shunt valve (232), a condensation collecting pipe (233), an exhaust pipe (234) and a guide fan (235), the top of the pre-cooling tank (221) is connected with the condenser (231) through a pipeline, the left end of the condenser (231) is provided with the shunt valve (232), and the bottom end of the shunt valve (232) is provided with the condensation collecting pipe (233).

7. The acetaldehyde condensation recovery device according to claim 6, characterized in that, The top end of the shunt valve (232) is provided with the exhaust pipe (234), and the inside of the exhaust pipe (234) is provided with the guide fan (235).

Images