System for filtering, adsorbing and removing foaming factors in organic amine

Abstract

The utility model provides a system for filtering, adsorbing and removing foaming factors in organic amine, which comprises a three-stage filtering unit, the three-stage filtering unit comprises a coarse filter, an activated carbon filter and a fine filter, and an outlet of the three-stage filtering unit is provided with a powdered activated carbon adsorption unit; the powdered activated carbon adsorption unit comprises a first mixing tank and a second mixing tank which are communicated with the outlet of the fine filter, and separators communicated with the first mixing tank and the second mixing tank are arranged at the outlets of the first mixing tank and the second mixing tank; according to the utility model, through the first mixing tank and the second mixing tank, an organic amine liquid which is discharged from the outlet of the filter and is subjected to preliminary filtration is efficiently reacted with powdered activated carbon introduced into the first mixing tank and the second mixing tank, so that high-efficiency adsorption operation on hydrocarbons and macromolecular compounds is realized; the purification effect on the organic amine liquid is better, and the purification efficiency is higher.

Description

Technical Field

[0001] This utility model relates to the technical field of equipment for removing foaming factors from organic amines, and specifically to a system for filtering and adsorbing foaming factors from organic amines. Background Technology

[0002] Organic amines are widely used in industries such as chemical, pharmaceutical, and petroleum refining. They produce foaming agents, which are usually low-molecular-weight surface-active substances. In organic amines, foaming agents may include aliphatic amines, alcohols, ethers, and other hydrocarbons and macromolecular compounds. These can reduce the surface tension of the liquid, leading to foam formation. Foam formation can affect the stability of the production process, reduce product quality, increase operational difficulty, and may even lead to equipment damage and safety accidents. Therefore, it is necessary to adsorb and remove them to prevent organic amine liquid from foaming and overflowing the tower. In addition to filtering large mechanical impurities, it can also adsorb and remove some heavy hydrocarbons. These large mechanical impurities and heavy hydrocarbons are important foaming agents in organic amine liquids, and they are prone to generating foam during production and use.

[0003] Traditional filtration methods rely solely on simple physical filtration. This method can only filter solids, large particles, and heavy hydrocarbon impurities in amine solutions, but it fails to remove hydrocarbons and macromolecular compounds, resulting in poor purification effects and low efficiency of organic amine solutions. Utility Model Content

[0004] In view of this, the present invention provides a system for filtering and adsorbing foaming factors in organic amines. By performing activated carbon adsorption filtration on the amine liquid after filtration by a three-stage filtration unit, the system achieves complete, sufficient and efficient adsorption of hydrocarbons and macromolecular compounds in the organic amine liquid, greatly improving the purification effect and efficiency of the organic amine liquid.

[0005] To solve the above-mentioned technical problems, this utility model provides a system for filtering and adsorbing foaming factors in organic amines, including a three-stage filtration unit. The three-stage filtration unit includes a coarse filter connected to the discharge port of the organic amine liquid, an activated carbon filter connected to the outlet of the coarse filter, and a fine filter connected to the outlet of the activated carbon filter. A powdered activated carbon adsorption unit is provided at the outlet of the three-stage filtration unit.

[0006] The powdered activated carbon adsorption unit includes a first mixing tank and a second mixing tank connected to the outlet of a fine filter. Separators are installed at the outlets of the first and second mixing tanks and are connected to them. This invention enables efficient reaction between the pre-filtered organic amine liquid discharged from the filter outlet and the powdered activated carbon introduced into the first and second mixing tanks, achieving efficient adsorption of hydrocarbons and macromolecular compounds. Furthermore, the separator allows for efficient separation of the purified organic amine liquid from the precipitate after the reaction, resulting in better purification and higher purification efficiency.

[0007] Both the first and second mixing tanks are equipped with rotatable agitators. Both the first and second mixing tanks have a first inlet at their upper part and a second inlet on their side wall.

[0008] Both the first mixing tank and the second mixing tank are equipped with a three-way feed pipe at their first inlet. The three-way feed pipe includes one inlet and two outlets. The inlet of the three-way feed pipe is connected to the activated carbon feed port, the first outlet of the three-way feed pipe is connected to the first inlet of the first mixing tank, and the second outlet of the three-way feed pipe is connected to the first inlet of the second mixing tank.

[0009] The outlet of the fine filter is provided with a three-way pipe, which includes an inlet and two outlets. The inlet of the three-way pipe is connected to the outlet of the demineralized water, one outlet of the three-way pipe is connected to the second inlet of the first mixing tank, and the other inlet of the three-way pipe is connected to the second inlet of the second mixing tank.

[0010] An activated carbon feed pump is installed on the pipe connecting the activated carbon inlet and the three-way feed pipe.

[0011] The outlets of the first and second mixing tanks are respectively connected to the inlet of the separation tank. An amine liquid lift pump is installed on the pipeline connecting the first and second mixing tanks to the separation tank. This utility model can use the amine liquid lift pump to lift the amine liquid after mixing and purifying in the first and second mixing tanks to the separation tank for purification and separation of amine liquid and precipitate, making the operation more convenient and efficient.

[0012] An air inlet is also provided on the pipeline connecting the amine liquid booster pump and the inlet of the separator.

[0013] The separator is also equipped with an amine liquid outlet and a slag discharge port. The amine liquid outlet is connected to the outlet of the activated carbon feed pump through a pipeline.

[0014] All pipelines are equipped with on / off control valves.

[0015] The powdered activated carbon adsorption unit also includes various detection instruments and a PLC controller. The PLC controller is electrically connected to the switch control valve, the amine liquid booster pump and the activated carbon feed pump, and controls the operation of each electrical control unit.

[0016] In summary, compared with the prior art, this application includes at least one of the following beneficial technical effects:

[0017] 1. This utility model achieves chemical reaction adsorption and separation of hydrocarbons and macromolecular compounds in organic amine liquid after physical purification and filtration by setting a powdered activated carbon adsorption unit at the rear end of the three-stage mechanical filtration unit. This greatly improves the purification effect and efficiency of the amine liquid. Moreover, the continuous purification of the amine liquid can be achieved through the cooperation of the first mixing tank and the second mixing tank, ensuring efficient and uninterrupted purification of the amine liquid, making the operation more convenient and efficient.

[0018] 2. This utility model allows for the reaction of the agitators in the first and second mixing tanks with the amine solution after primary filtration and the activated carbon powder introduced into them. After the reaction is complete, the control valve on the pipeline between the first mixing tank and the separator is opened and closed. Simultaneously, the amine solution booster pump is started to introduce the reacted amine solution from the first mixing tank into the separation tank for separation. After the reaction in the first mixing tank is complete, the control valve on the pipeline between the first and second mixing tanks is closed, while the control valve on the pipeline between the second and third mixing tanks is opened. At the same time, the control valve on the pipeline connecting the activated carbon feed pump and the first mixing tank is opened, as is the control valve on the pipeline connecting the outlet of the fine filter and the first mixing tank. The control valve on the pipeline connecting the activated carbon feed pump and the second mixing tank is closed. This allows for the feeding of amine solution and activated carbon powder into the first mixing tank, while simultaneously activating the agitator on the first mixing tank to achieve efficient purification of the amine solution inside.

[0019] 3. This utility model can achieve efficient separation of liquid and solid in purified amine solution through a separation tank, which greatly improves the portability and efficiency of amine solution purification and collection.

[0020] 4. This utility model can accelerate the reaction rate between activated carbon powder and organic amine liquid inside the first and second mixing tanks by using stirring elements installed in the first and second mixing tanks, which greatly improves the purification efficiency of the purification system. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the system principle of the present invention for filtering and adsorbing foaming agents from organic amines.

[0022] Explanation of reference numerals in the attached drawings: 100, three-stage filtration unit; 101, coarse filter; 102, activated carbon filter; 103, fine filter; 200, powdered activated carbon adsorption unit; 210, first mixing tank; 220, second mixing tank; 230, separator; 300, activated carbon feed pump; 400, amine liquid booster pump. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0024] like Figure 1 As shown: This embodiment provides a system for filtering and adsorbing foaming factors in organic amines, including a three-stage filtration unit 100. The three-stage filtration unit 100 includes a coarse filter 101 (10μm precision) connected to the discharge port of the organic amine liquid, an activated carbon filter 102 (coconut shell activated carbon filter) connected to the outlet of the coarse filter 101, and a fine filter 103 (1μm precision) connected to the outlet of the activated carbon filter 102. A powdered activated carbon adsorption unit 200 is provided at the outlet of the three-stage filtration unit 100.

[0025] The powdered activated carbon adsorption unit 200 includes a first mixing tank 210 and a second mixing tank 220 connected to the outlet of the fine filter 103. A separator 230 connected to the outlet of the first mixing tank 210 and the second mixing tank 220 is provided.

[0026] Both the first mixing tank 210 and the second mixing tank 220 are rotatably equipped with stirring components. The stirring components include a drive motor and a stirring rod located at the end of the output shaft of the drive motor and rotatably disposed inside the first mixing tank 210 and the second mixing tank 220. The outer side of the stirring rod is provided with spiral stirring blades. This invention can use the rotation of the output shaft of the drive motor to drive the stirring rod at its end and the spiral stirring blades on the outer side of the stirring rod to efficiently mix and stir the mixture of organic amine liquid and activated carbon powder inside the first mixing tank and the second mixing tank, thereby accelerating the reaction. The upper part of the first mixing tank 210 and the second mixing tank 220 are provided with a first inlet, and the side wall of the first mixing tank 210 and the second mixing tank 220 are provided with a second inlet. This invention can use the stirring components inside the first mixing tank 210 and the second mixing tank 220 to achieve the mixing and stirring of the amine liquid and the activated carbon powder introduced into them, which greatly improves the efficiency of the mixing reaction of amine liquid and activated carbon powder, and greatly improves the purification effect and efficiency.

[0027] This invention enables efficient reaction between the pre-filtered organic amine liquid, which has passed through the filter outlet, and the powdered activated carbon introduced into the first and second mixing tanks 210 and 220, thereby achieving efficient adsorption of hydrocarbons and macromolecular compounds. Furthermore, the separator 230 enables efficient separation of the purified organic amine liquid from the precipitate after the reaction, resulting in better purification effect and higher purification efficiency for the organic amine liquid.

[0028] According to another embodiment of the present invention, such as Figure 1 As shown, both the first mixing tank 210 and the second mixing tank 220 are equipped with a three-way feed pipe at their first inlet. The three-way feed pipe includes one inlet and two outlets. The inlet of the three-way feed pipe is connected to the activated carbon inlet, the first outlet of the three-way feed pipe is connected to the first inlet of the first mixing tank 210, and the second outlet of the three-way feed pipe is connected to the first inlet of the second mixing tank 220. This utility model can achieve the mixing and stirring of the materials inside the first mixing tank 210 and the second mixing tank 220 individually or simultaneously through the connection of the three-way feed pipe with the first mixing tank 210 and the second mixing tank 220. This allows for the introduction, mixing, stirring, and export of materials in the first mixing tank 210 and the second mixing tank 220 without stopping the machine, making the operation more convenient and efficient.

[0029] The outlet of the fine filter 103 is equipped with a three-way pipe, which includes one inlet and two outlets. The inlet of the three-way pipe is connected to the outlet of the demineralized water, one outlet of the three-way pipe is connected to the second inlet of the first mixing tank 210, and the other inlet of the three-way pipe is connected to the second inlet of the second mixing tank 220. This invention can replenish the liquid in the first mixing tank 210 and the second mixing tank 220 with demineralized water, which greatly improves the convenience and speed of adjusting the concentration of the organic amine liquid in them, so as to achieve the best purification efficiency of activated carbon powder on the organic amine liquid in them.

[0030] An activated carbon feed pump 300 is installed on the pipe connecting the activated carbon inlet and the three-way feed pipe. The activated carbon feed pump 300 can draw activated carbon powder from the activated carbon storage bin into the first mixing tank 210 or / and the second mixing tank 220, thereby improving the efficiency of chemical adsorption and purification of organic amine liquid in the first mixing tank 210 and the second mixing tank 220.

[0031] The outlets of the first mixing tank 210 and the second mixing tank 220 are respectively connected to the inlet of the separation tank. An amine liquid lift pump 400 is installed on the pipeline connecting the first mixing tank 210, the second mixing tank 220 and the separation tank. This utility model can use the amine liquid lift pump 400 to lift the amine liquid after mixing and purifying in the first mixing tank 210 and the second mixing tank 220 to the separation tank for purification and separation of amine liquid and precipitate, making the operation more convenient and efficient.

[0032] The amine liquid booster pump 400 is connected to the inlet of the separator tank via a pipe with an air inlet. This invention can use the gas introduced through the air inlet to drain the purified amine liquid inside the separator tank, thus avoiding unnecessary waste of amine liquid caused by residual amine liquid.

[0033] The separator is also equipped with an amine liquid outlet and a slag discharge port. The amine liquid outlet is connected to the outlet of the activated carbon feed pump 300 through a pipeline. This invention can discharge the purified amine liquid into the separator for centralized collection through the amine liquid outlet, and can also discharge the purified impurities through the slag discharge port.

[0034] Each pipeline is equipped with a switch control valve, which is a solenoid valve. This invention can control the opening and closing of the corresponding pipeline through the switch control valve, thereby realizing the adjustment and planning of the movement path of various materials, making operation more convenient.

[0035] The powdered activated carbon adsorption unit 200 also includes various detection instruments and a PLC controller. The PLC controller is a Siemens S7-1500FCPU. The PLC controller is electrically connected to the switch control valve, the amine liquid booster pump 400, and the activated carbon feed pump 300, and controls the operation of each electrical control unit.

[0036] How to use this utility model:

[0037] First, it needs to be clarified that the amine liquid purification system involved in this utility model is mainly used for the chemical purification and separation of organic amines after physical purification. Its purpose is to remove foaming agents, such as hydrocarbons and macromolecular compounds, from the organic amine liquid. This utility model uses the chemical purification process of amine liquid after filtration by a three-stage mechanical filtration unit as an example to illustrate its usage method in detail. When further chemical purification of foaming agents in the organic amine liquid is required, the operator first opens the switch control valve on the pipeline connecting the outlet of the fine filter 103 to the first mixing tank 210, as well as the first inlet and the second inlet on the first mixing tank 210 and the second mixing tank 220, which are connected to the active... The on / off control valve on the pipeline connected to the carbon feed pump 300 is activated, and the agitator is started simultaneously. At this time, the activated carbon powder inside the first mixing tank 210 and the second mixing tank 220 will undergo an accelerated chemical reaction with the organic amine solution introduced into them under the agitation action of the agitator. Hydrocarbons and macromolecular compounds inside will be adsorbed and precipitated. After the reaction is complete, the on / off control valve on the pipeline between the first mixing tank 210 and the separator 230 is opened, and the on / off control valve on the pipeline between the second mixing tank 220 and the separator 230 is closed. Simultaneously, the amine solution booster pump is started. 400. The amine solution that has undergone the reaction in the first mixing tank 210 is introduced into the separation tank for separation. After the reaction in the first mixing tank 210 is complete, the switch control valve on the pipeline between the first mixing tank 210 and the separation tank is closed, while the switch control valve on the pipeline between the second mixing tank 220 and the separation tank is opened. At the same time, the switch control valve on the pipeline connecting the activated carbon feed pump 300 and the first mixing tank 210 is opened, and the switch control valve on the pipeline connecting the outlet of the fine filter 103 and the first mixing tank 210 is opened. The switch control valve on the pipeline connecting the activated carbon feed pump 300 and the second mixing tank 220 is closed, thus realizing the separation of the first mixing tank 210. The feeding of amine liquid and activated carbon powder into the first mixing tank 210 simultaneously activates the agitator on the first mixing tank 210 to achieve efficient purification reaction of the amine liquid inside the first mixing tank 210. This invention achieves chemical adsorption and separation of hydrocarbons and macromolecular compounds in the organic amine liquid after physical purification and filtration by setting a powdered activated carbon adsorption unit 200 at the rear end of the three-stage mechanical filtration unit, which greatly improves the purification effect and efficiency of the amine liquid. Moreover, the continuous purification of the amine liquid can be achieved through the cooperation of the first mixing tank 210 and the second mixing tank 220, ensuring efficient and uninterrupted purification of the amine liquid, making the operation more convenient and efficient.

[0038] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A system for filtering and adsorbing a foaming factor in an organic amine comprising a three-stage filtration unit (100), wherein, The tertiary filtering unit (100) comprises a coarse filter (101) communicated with the discharge port of the organic amine solution, an activated carbon filter (102) communicated with the outlet of the coarse filter (101), and a fine filter (103) communicated with the outlet of the activated carbon filter (102), characterized in that the outlet of the tertiary filtering unit (100) is provided with a powdered activated carbon adsorption unit (200). The powdered activated carbon adsorption unit (200) comprises a first mixing tank (210) and a second mixing tank (220) communicated with the outlet of the fine filter (103), and a separator (230) is arranged at the outlet of the first mixing tank (210) and the second mixing tank (220).

2. The system for filtering and adsorbing the foaming factor in the organic amine according to claim 1, characterized in that: A stirring member is arranged in each of the first mixing tank (210) and the second mixing tank (220), and a first inlet is arranged at the upper portion of each of the first mixing tank (210) and the second mixing tank (220), and a second inlet is arranged on the sidewall of each of the first mixing tank (210) and the second mixing tank (220).

3. The system for filtering and adsorbing the foaming factor of organic amine in claim 2, characterized in that: A three-way feeding pipe is arranged at the first inlet of each of the first mixing tank (210) and the second mixing tank (220), the three-way feeding pipe comprises one inlet and two outlets, the inlet of the three-way feeding pipe is communicated with the activated carbon feeding port, the first outlet of the three-way feeding pipe is communicated with the first inlet of the first mixing tank (210), and the second outlet of the three-way feeding pipe is communicated with the first inlet of the second mixing tank (220).

4. The system for filtering and adsorbing the foaming factor of organic amine in claim 3, characterized in that: A three-way pipe is arranged at the outlet of the fine filter (103), the three-way pipe comprises one inlet and two outlets, the inlet of the three-way pipe is communicated with the outlet of the desalted water, one of the outlets of the three-way pipe is communicated with the second inlet of the first mixing tank (210), and the other inlet of the three-way pipe is communicated with the second inlet of the second mixing tank (220).

5. The system for filtering and adsorbing the foaming factor of organic amine in claim 4, characterized in that: An activated carbon feeding pump (300) is arranged on the pipeline communicated with the three-way feeding pipe.

6. The system for filtering and adsorbing the foaming factor of organic amine in claim 5, characterized in that: The outlet of the first mixing tank (210) and the outlet of the second mixing tank (220) are respectively communicated with the inlets of the separation tanks, and an amine solution lifting pump (400) is arranged on the pipeline communicated with the first mixing tank (210) and the second mixing tank (220) and the separation tanks.

7. The system for filtering and adsorbing the foaming factor of organic amine in claim 6, characterized in that: An air inlet is further arranged on the pipeline communicated with the inlet of the separation tank.

8. The system for filtering and adsorbing the foaming factor of organic amine in claim 7, characterized in that: An amine solution outlet and a residue discharge port are further arranged on the separation tank, and the amine solution outlet is communicated with the outlet of the activated carbon feeding pump (300) through a pipeline.

9. The system for filtering and adsorbing the foaming factor of organic amine in claim 8, wherein: Switch control valves are arranged on the pipelines.

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