Methanol sewage treatment device of alkylation device

Abstract

The utility model discloses a methanol sewage treatment device of an alkylation device, which comprises a water cutting bag, a methanol water buffer tank, a metering pump and a waste acid incinerator, the water cutting bag is communicated with the methanol water buffer tank through a first pipeline, the methanol water buffer tank is communicated with the metering pump through a second pipeline, and the waste acid incinerator is communicated with the metering pump through a third pipeline. The metering pump is communicated with the atomizing nozzle through a third pipeline, the atomizing nozzle is communicated with a fourth pipeline, and atomizing air is introduced into the fourth pipeline. The methanol sewage treatment device of the alkylation device disclosed by the utility model is simple in structure and convenient to use, realizes the treatment of methanol sewage through the matched arrangement of the water cutting bag, the methanol water buffer tank, the metering pump and the waste acid incinerator, relieves the burden of a sewage station, and ensures that the COD (Chemical Oxygen Demand) index of sewage discharge is qualified.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a methanol sewage treatment device for an alkylation device. Background Art

[0002] A large amount of wastewater containing high-concentration methanol will be cut out from the water cut package of the light tower of the alkylation unit. According to the original design, this part of water is directly discharged into the sewage station. The COD of these methanol waters is particularly high. After entering the sewage station, it increases the burden on the sewage station and can easily cause the COD of the discharged sewage to exceed the standard.

[0003] Based on the above situation, the utility model proposes a methanol wastewater treatment device for an alkylation unit, which can effectively solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a methanol wastewater treatment device for an alkylation unit. The methanol wastewater treatment device for an alkylation unit of the utility model has a simple structure and is easy to use. Through the coordinated arrangement of a water cut-off bag, a methanol water buffer tank, a metering pump and a waste acid incinerator, the methanol wastewater is treated, the burden of the sewage station is reduced, and the COD index of the sewage discharge is guaranteed to be qualified.

[0005] The utility model is realized by the following technical solutions:

[0006] A methanol wastewater treatment device for an alkylation device comprises a water cut-off bag, a methanol water buffer tank, a metering pump and a waste acid incinerator, wherein the water cut-off bag and the methanol water buffer tank are connected through a first pipeline, the methanol water buffer tank and the metering pump are connected through a second pipeline, the metering pump is connected to an atomizing nozzle through a third pipeline, the atomizing nozzle is connected with a fourth pipeline, and atomizing air is introduced into the fourth pipeline.

[0007] The purpose of the utility model is to provide a methanol wastewater treatment device for an alkylation unit. The methanol wastewater treatment device for an alkylation unit of the utility model has a simple structure and is easy to use. Through the coordinated arrangement of a water cut-off bag, a methanol water buffer tank, a metering pump and a waste acid incinerator, the methanol wastewater is treated, the burden of the sewage station is reduced, and the COD index of the sewage discharge is guaranteed to be qualified.

[0008] Preferably, a first stop valve, a regulating valve and a second stop valve are sequentially provided on the first pipeline.

[0009] Preferably, a third stop valve is provided on the second pipeline.

[0010] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0011] 1. Through the coordinated setting of water cutting bag, methanol water buffer tank, metering pump and waste acid incinerator, the treatment of methanol wastewater is realized, the burden of sewage station is reduced, and the COD index of sewage discharge is guaranteed to be qualified; 2. The combustion of methanol water can also be used as fuel for the incinerator, turning waste into treasure and saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0013] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0014] The technical features (constituent units / elements of the utility model) such as the water cut-off bag, methanol water buffer tank, metering pump and waste acid incinerator described in the utility model are obtained from conventional commercial channels or prepared by conventional methods unless otherwise specified. Their specific structures, working principles, and possible control methods and spatial layout methods can be selected conventionally in the field and should not be regarded as the innovative points of the utility model. They are understandable to those skilled in the art, and the utility model patent will not be further elaborated.

[0015] Embodiment 1:

[0016] like Figure 1 As shown, the utility model provides a methanol wastewater treatment device for an alkylation unit, comprising a water cut-off bag 1, a methanol water buffer tank 2, a metering pump 3 and a waste acid incinerator 4, the water cut-off bag 1 and the methanol water buffer tank 2 are connected through a first pipe 10, the methanol water buffer tank 2 and the metering pump 3 are connected through a second pipe 20, the metering pump 3 is connected to an atomizing nozzle 5 through a third pipe 30, the atomizing nozzle 5 is connected with a fourth pipe 40, and atomizing air is introduced into the fourth pipe 40.

[0017] The atomizing nozzle 5 is provided so that the sewage can be sprayed evenly in the waste acid incinerator 4, thereby improving the incineration efficiency.

[0018] Embodiment 2:

[0019] like Figure 1As shown, the utility model provides a methanol wastewater treatment device for an alkylation unit, comprising a water cut-off bag 1, a methanol water buffer tank 2, a metering pump 3 and a waste acid incinerator 4, the water cut-off bag 1 and the methanol water buffer tank 2 are connected through a first pipe 10, the methanol water buffer tank 2 and the metering pump 3 are connected through a second pipe 20, the metering pump 3 is connected to an atomizing nozzle 5 through a third pipe 30, the atomizing nozzle 5 is connected with a fourth pipe 40, and atomizing air is introduced into the fourth pipe 40.

[0020] The first pipeline 10 is provided with a first stop valve 11 , a regulating valve 12 and a second stop valve 13 in sequence.

[0021] The first stop valve 11 , the regulating valve 12 and the second stop valve 13 are arranged to control the flow of materials between the water cut bag 1 and the methanol water buffer tank 2 .

[0022] Furthermore, in another embodiment, a third stop valve 21 is provided on the second pipeline 20 .

[0023] The third stop valve 21 is provided to control the flow of materials between the methanol water buffer tank 2 and the metering pump 3 .

[0024] The working principle of one embodiment of the utility model is as follows:

[0025] A methanol wastewater treatment device for an alkylation unit, wherein the methanol wastewater cut out of a water cutting bag 1 is collected in a methanol water buffer tank 2, then sent to the head of a waste acid incinerator 4 through a metering pump 3, and then sprayed into the waste acid incinerator 4 through an atomizing nozzle 5 for combustion treatment.

[0026] According to the description and drawings of the present invention, those skilled in the art can easily manufacture or use the methanol wastewater treatment device of the alkylation unit of the present invention, and can produce the positive effects recorded in the present invention.

[0027] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0028] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A methanol wastewater treatment device for an alkylation unit, characterized in that: It includes a water cut-off bag, a methanol water buffer tank, a metering pump and a waste acid incinerator. The water cut-off bag and the methanol water buffer tank are connected through a first pipeline, the methanol water buffer tank and the metering pump are connected through a second pipeline, the metering pump is connected to an atomizing nozzle through a third pipeline, the atomizing nozzle is connected with a fourth pipeline, and atomizing air is introduced into the fourth pipeline.

2. The methanol wastewater treatment device of the alkylation unit according to claim 1, characterized in that: The first pipeline is provided with a first stop valve, a regulating valve and a second stop valve in sequence.

3. The methanol wastewater treatment device of the alkylation unit according to claim 1, characterized in that: The second pipeline is provided with a third stop valve.

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