CN215876764U - A collection device that is used for acetaldehyde to retrieve edulcoration system tail gas lime set - Google Patents
A collection device that is used for acetaldehyde to retrieve edulcoration system tail gas lime set Download PDFInfo
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- CN215876764U CN215876764U CN202121185041.4U CN202121185041U CN215876764U CN 215876764 U CN215876764 U CN 215876764U CN 202121185041 U CN202121185041 U CN 202121185041U CN 215876764 U CN215876764 U CN 215876764U
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Abstract
The utility model discloses a collecting device for tail gas condensate of an acetaldehyde recovery and impurity removal system, which comprises a condensate collecting tank, a condensate transfer tank, a water-sealed tank, an impurity removal tower and a tail gas fan, wherein the condensate collecting tank is connected with the tail gas fan; the condensate collecting tank is connected with a tail gas pipeline through a connecting pipeline; one end of the tail gas pipeline is connected with the impurity removing tower, and the other end of the tail gas pipeline is connected with the tail gas fan; the condensate collecting tank is connected with a transfer pipeline and is connected with the condensate transfer tank through the transfer pipeline; the transfer pipeline is provided with a condensate lifting pump, and the condensate lifting pump conveys condensate in the condensate collection tank to the condensate transfer tank. The tail gas condensate collecting device for the acetaldehyde recovery and impurity removal system, provided by the utility model, is simple in structure and reasonable in design, and can be used for effectively collecting and transferring condensate in impurity-removed waste gas and avoiding blocking a pipeline.
Description
Technical Field
The utility model relates to the technical field of chemical industry, in particular to a tail gas condensate collecting device for an acetaldehyde recovery and impurity removal system.
Background
Acetaldehyde (acetaldehyde) is an aldehyde, also known as acetaldol, and is a colorless, flowable liquid with an irritating odor. Melting point-121 deg.C, boiling point 20.8 deg.C, and relative density less than 1. Can be mutually soluble with organic substances such as water, ethanol and the like. Are flammable and volatile, and vapor can form explosive mixtures with air.
The impurity-removed waste gas is produced by evaporating low-boiling point substances through distillation in an acetaldehyde recovery impurity-removing system to obtain recycled ethylene glycol with the purity of about 10 percent, and main pollutants in the waste gas are acetaldehyde, ethylene glycol, dioxane, 2-methyl-1, 3-dioxolane and the like, and cannot be directly discharged into the atmosphere due to high concentration, but are conveyed into a three-waste treatment device for treatment. However, the tail gas condensate is inevitably generated in the conveying process and needs to be collected in time so as not to block the pipeline.
Based on the situation, the utility model provides a tail gas condensate collecting device for an acetaldehyde recovery and impurity removal system, which can effectively solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tail gas condensate collecting device for an acetaldehyde recovery and impurity removal system. The tail gas condensate collecting device for the acetaldehyde recovery impurity removal system provided by the utility model is simple in structure and reasonable in design, and can be used for effectively collecting condensate in impurity removal tail gas and avoiding blocking a pipeline.
The utility model is realized by the following technical scheme:
a collecting device for tail gas condensate of an acetaldehyde recovery and impurity removal system comprises a condensate collecting tank, a condensate transfer tank, a water-sealed tank, an impurity removal tower and a tail gas fan; the condensate collecting tank is connected with a tail gas pipeline through a connecting pipeline; one end of the tail gas pipeline is connected with the impurity removing tower, and the other end of the tail gas pipeline is connected with the tail gas fan; the condensate collecting tank is connected with a transfer pipeline and is connected with the condensate transfer tank through the transfer pipeline; the transfer pipeline is provided with a condensate lifting pump, and the condensate lifting pump conveys condensate in the condensate collection tank to the condensate transfer tank.
According to the technical scheme, as a further preferable technical scheme of the technical scheme, the upper part of the condensate collecting tank is further provided with an uncondensed condensate discharge pipeline, and the condensate collecting tank is connected to the water seal tank through the uncondensed condensate discharge pipeline.
According to the above technical means, as a further preferable technical means of the above technical means, a safety valve is further provided at an upper portion of the condensate collection tank.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the condensate collection tank is provided with a first liquid level meter.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the condensate transfer tank is provided with a second liquid level meter.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the tail gas condensate collecting device for the acetaldehyde recovery and impurity removal system is simple in structure and reasonable in design, can effectively collect and transport condensate in impurity removal tail gas, and avoids blocking pipelines.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
a collecting device for tail gas condensate of an acetaldehyde recovery and impurity removal system comprises a condensate collecting tank 1, a condensate transfer tank 2, a water seal tank 3, an impurity removal tower 4 and a tail gas fan 5; the condensate collecting tank 1 is connected with a tail gas pipeline 7 through a connecting pipeline 6; one end of the tail gas pipeline 7 is connected with the impurity removing tower 4, and the other end of the tail gas pipeline 7 is connected with the tail gas fan 5; the condensate collecting tank 1 is connected with a transfer pipeline 8, and the condensate collecting tank 1 is connected with the condensate transfer tank 2 through the transfer pipeline 8; the transfer pipeline 8 is provided with a condensate lifting pump 9, the condensate lifting pump 9 will the condensate in the condensate collecting tank 1 is carried to the condensate transfer tank 2.
Example 2:
a collecting device for tail gas condensate of an acetaldehyde recovery and impurity removal system comprises a condensate collecting tank 1, a condensate transfer tank 2, a water seal tank 3, an impurity removal tower 4 and a tail gas fan 5; the condensate collecting tank 1 is connected with a tail gas pipeline 7 through a connecting pipeline 6; one end of the tail gas pipeline 7 is connected with the impurity removing tower 4, and the other end of the tail gas pipeline 7 is connected with the tail gas fan 5; the condensate collecting tank 1 is connected with a transfer pipeline 8, and the condensate collecting tank 1 is connected with the condensate transfer tank 2 through the transfer pipeline 8; the transfer pipeline 8 is provided with a condensate lifting pump 9, the condensate lifting pump 9 will the condensate in the condensate collecting tank 1 is carried to the condensate transfer tank 2.
Further, in another embodiment, an uncondensed steam discharge pipeline 10 is further arranged at the upper part of the condensate collecting tank 1, and the condensate collecting tank 1 is connected to the water seal tank 3 through the uncondensed steam discharge pipeline 10.
According to the utility model, through arranging the non-condensed steam discharge pipeline 10, non-condensed tail gas can be conveyed to the water seal tank 3, so that the tail gas is prevented from leaking, and the water seal effect is achieved.
Further, in another embodiment, the upper part of the condensate collecting tank 1 is further provided with a safety valve 11.
According to the utility model, by arranging the safety valve 11, when the pressure in the system is too high, the safety valve 11 can be opened to release the pressure of the whole system.
Further, in another embodiment, the condensate collection tank 1 is provided with a first level gauge 12.
According to the utility model, the first liquid level meter 12 is arranged, so that a worker can know the height of the condensate liquid level of the condensate collecting tank 1 conveniently, and when the liquid level is too high, the worker needs to open the condensate lifting pump 9 to convey the condensate in the condensate collecting tank 1 to the condensate transfer tank 2.
Further, in another embodiment, the condensate transfer tank 2 is provided with a second level gauge 13.
The second liquid level meter 13 is arranged, so that the operator can know the condensate collecting amount of the condensate transfer tank 21 conveniently.
The working principle of the utility model is as follows:
tail gas discharged from the impurity removing tower 4 is subjected to relay building and centralized heat supply through a tail gas fan 5 for combustion, the tail gas is condensed in the conveying process, the condensate collecting tank 1 collects generated condensate and uncondensed tail gas, and the uncondensed tail gas can be conveyed to the water seal tank 3 through the uncondensed tail gas discharge pipeline 10, so that the water seal effect is achieved, and the leakage of the tail gas is avoided; when the condensate liquid level is too high in the condensate collecting tank 1, the condensate lifting pump 9 can be opened to convey the condensate in the condensate collecting tank 1 to the condensate transfer tank 2, so that the condensate collecting amount of the condensate collecting tank 1 is increased.
According to the description and the drawings of the utility model, a person skilled in the art can easily manufacture or use the tail gas condensate collecting device for the acetaldehyde recovery and impurity removal system, and can produce the positive effects recorded in the utility model.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (5)
1. The utility model provides a collection device that is used for acetaldehyde to retrieve edulcoration system tail gas lime set which characterized in that: comprises a condensate collecting tank (1), a condensate transfer tank (2), a water-sealed tank (3), an impurity removing tower (4) and a tail gas fan (5); the condensate collecting tank (1) is connected with a tail gas pipeline (7) through a connecting pipeline (6); one end of the tail gas pipeline (7) is connected with the impurity removal tower (4), and the other end of the tail gas pipeline (7) is connected with the tail gas fan (5); the condensate collecting tank (1) is connected with a transfer pipeline (8), and the condensate collecting tank (1) is connected with the condensate transfer tank (2) through the transfer pipeline (8); the transfer pipeline (8) is provided with a condensate lifting pump (9), the condensate lifting pump (9) is used for conveying condensate in the condensate collecting tank (1) to the condensate transfer tank (2).
2. The collecting device for the tail gas condensate of the acetaldehyde recovery and impurity removal system according to claim 1, which is characterized in that: the upper portion of condensate collecting tank (1) still is equipped with noncondensable steam discharge pipe (10), condensate collecting tank (1) passes through noncondensable steam discharge pipe (10) are connected to water seal tank (3).
3. The collecting device for the tail gas condensate of the acetaldehyde recovery and impurity removal system according to claim 1, which is characterized in that: the upper part of the condensate collecting tank (1) is also provided with a safety valve (11).
4. The collecting device for the tail gas condensate of the acetaldehyde recovery and impurity removal system according to claim 1, which is characterized in that: the condensate collecting tank (1) is provided with a first liquid level meter (12).
5. The collecting device for the tail gas condensate of the acetaldehyde recovery and impurity removal system according to claim 1, which is characterized in that: the condensate transfer tank (2) is provided with a second liquid level meter (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121185041.4U CN215876764U (en) | 2021-05-28 | 2021-05-28 | A collection device that is used for acetaldehyde to retrieve edulcoration system tail gas lime set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121185041.4U CN215876764U (en) | 2021-05-28 | 2021-05-28 | A collection device that is used for acetaldehyde to retrieve edulcoration system tail gas lime set |
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| Publication Number | Publication Date |
|---|---|
| CN215876764U true CN215876764U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121185041.4U Active CN215876764U (en) | 2021-05-28 | 2021-05-28 | A collection device that is used for acetaldehyde to retrieve edulcoration system tail gas lime set |
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| Country | Link |
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| CN (1) | CN215876764U (en) |
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2021
- 2021-05-28 CN CN202121185041.4U patent/CN215876764U/en active Active
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