Process condensate adsorption treatment equipment for stripping tower
By designing a process condensate adsorption treatment device for stripping towers, which uses activated carbon particles for adsorption combined with an automatic cleaning function, the problem of benzene series pollution in process condensate is solved, achieving efficient treatment and extending the life of activated carbon, while reducing operating costs and system corrosion risks.
Patent Information
- Application Number
- CN202423101592.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In the existing technology, during the dehydrogenation of ethylbenzene to styrene, the process condensate after the stripping tower contains a high concentration of benzene compounds. Directly using it as makeup water for the circulating water system can lead to pollution and corrosion problems. Furthermore, activated carbon adsorption is prone to failure during use, and improper cleaning can affect its performance and lifespan.
An adsorption treatment device for process condensate in a stripping tower was designed. It uses activated carbon particles for adsorption treatment and automatically cleans the activated carbon particles by rotating a stirring rod. Combined with the spraying of cleaning liquid, the activated carbon is automatically cleaned and regenerated, avoiding frequent replacement.
It effectively removes benzene compounds, extends the service life of activated carbon, reduces operating costs, prevents secondary pollution, improves system reliability, and reduces corrosion in circulating water systems.
Smart Images

Figure CN223576175U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to process condensate adsorption equipment technical field especially relates to a process condensate adsorption treatment equipment for stripping tower. BACKGROUND
[0002] In the production process of preparing styrene from dehydrogenation of ethylbenzene, the process condensate often contains a high concentration of benzene series. The benzene series content of these process condensates is still high after being treated by the stripping tower, and is greatly affected by the operation of the stripping tower. If these condensates are directly used as make-up water for the circulating water system, the circulating water system will be polluted, and even corrosion problems of the circulating water pipeline and water cooler will be caused. In order to solve this problem, the process condensate after the stripping tower needs to be further treated to remove the benzene series in the condensate by an adsorption facility, so that it meets the standard of make-up water for the circulating water system.
[0003] At present, the activated carbon adsorption method is widely used due to its high efficiency and economy. However, the activated carbon is easily deactivated due to the attachment of impurities on its surface during use, and needs to be frequently cleaned and regenerated. If the cleaning method is not scientific, the adsorption performance and service life of the activated carbon will be affected, and the operation cost will be increased. Therefore, it is particularly important to develop an equipment that can efficiently complete the process condensate adsorption treatment and has an automatic cleaning function. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art, and provides a process condensate adsorption treatment equipment for stripping tower.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A process condensate adsorption treatment equipment for stripping tower, comprising a shell, a water inlet pipe is arranged at the top of the shell, a water outlet pipe is arranged at the bottom of the shell, an adsorption net box is fixedly arranged in the shell, activated carbon particles are filled in the adsorption net box, a rotating rod is movably installed on the inner wall of the bottom of the shell, a rotating plate is sleeved on the circumference of the rotating rod, and a plurality of through holes two are arranged at intervals on the rotating plate; a fixed plate is fixedly arranged in the shell, the upper surface of the fixed plate abuts against the lower surface of the rotating plate, a plurality of through holes one are arranged at intervals on the top of the fixed plate, and the opening positions of the through holes one correspond to the opening positions of the through holes two; one end of the rotating rod extending into the adsorption net box is of a hollow structure, a plurality of hollow stirring rods are installed on the one end of the rotating rod extending into the adsorption net box, a plurality of water outlets are arranged on the side wall of the stirring rod, a water pump is installed on the outer wall of the shell, the water outlet end of the water pump is communicated with the interiors of the rotating rod and the stirring rod through an extension water pipe, and a driving motor for driving the rotating rod to rotate is arranged on the bottom outer wall of the shell.
[0007] As a further scheme of the utility model: the top of the shell is provided with a dispersion net plate, which is used for dispersing the condensate loaded on the water inlet pipe.
[0008] As a further scheme of the utility model: the top of the fixed plate is provided with a plurality of spaced apart sewage collecting grooves, and the interiors of adjacent two sewage collecting grooves are throughly arranged.
[0009] As a further scheme of the utility model: the opening position of the top of the sewage collecting groove and the opening position of the through hole one are spaced apart, and a sewage discharge pipe is arranged on one side of the sewage collecting groove.
[0010] As a further scheme of the utility model: the center of the rotating plate is provided with a mounting sleeve, which is sleeved on the circumference of the rotating rod.
[0011] As a further scheme of the utility model: a telescopic component is mounted on the side wall of the mounting sleeve, an electromagnetic component is mounted on one end of the piston rod of the telescopic component, a through hole three is formed in the side wall of the mounting sleeve, and the opening position of the through hole three corresponds to the position of the electromagnetic component.
[0012] As a further scheme of the utility model: a pushing side wing is arranged between adjacent two stirring rods.
[0013] The utility model has the advantages of:
[0014] 1. effectively removing benzene series: the device adopts activated carbon particles to adsorb and treat the process condensate after the stripping tower, can efficiently remove the benzene series in it, makes the treated condensate meet the quality requirement of circulating water make-up, thereby effectively reduces the production cost.
[0015] 2. prolonging the service life of activated carbon: the device integrates the automatic cleaning function of activated carbon particles, through the rotation of the stirring rod, the activated carbon particles are rubbed mutually, and the impurities attached to the surface of the activated carbon particles are removed; at the same time, through injection of cleaning liquid and spraying to the surface of activated carbon, deep cleaning is realized, and the service life of activated carbon is greatly prolonged.
[0016] 3. reducing the operation and maintenance cost: through the built-in design of the cleaning and regeneration functions, the frequent replacement demand due to the failure of activated carbon particles is reduced, thereby reducing the operation cost; at the same time, the device realizes automatic operation, and reduces the investment of manual maintenance.
[0017] 4. preventing secondary pollution: the sewage produced in the cleaning process is discharged through the water outlet pipe, effectively avoiding the secondary pollution of impurities and waste water in the cleaning process to the environment, meeting the environmental protection requirement.
[0018] 5. System reliability is improved: the treated process condensate is used as make-up water for circulating water, reducing the corrosion problem of circulating water system caused by benzene series pollution, prolonging the service life of pipeline and water cooler, and improving the reliability of system operation. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A whole structure schematic view of the process condensate adsorption treatment equipment for the stripping tower is provided in the utility model.
[0020] Figure 2 A whole structure sectional view of the process condensate adsorption treatment equipment for the stripping tower is provided in the utility model.
[0021] Figure 3 A structure schematic view of the rotating plate and the mounting sleeve in the process condensate adsorption treatment equipment for the stripping tower is provided in the utility model.
[0022] Figure 4 A structure schematic view of the fixed plate in the process condensate adsorption treatment equipment for the stripping tower is provided in the utility model.
[0023] Figure 5 A structure schematic view of the rotating rod, the stirring rod, the pushing side wing and the extension water pipe in the process condensate adsorption treatment equipment for the stripping tower is provided in the utility model.
[0024] In the drawing: 1 - shell, 2 - water inlet pipe, 3 - water pump, 4 - extension water pipe, 5 - blowdown pipe, 6 - driving motor, 7 - dispersion net plate, 8 - adsorption net box, 9 - pushing side wing, 10 - stirring rod, 11 - water outlet hole, 12 - rotating plate, 13 - sewage collecting tank, 14 - fixed plate, 15 - rotating rod, 16 - through hole one, 17 - through hole two, 18 - mounting sleeve, 19 - through hole three, 20 - electromagnetic component, 21 - telescopic component, 22 - water outlet pipe. DETAILED DESCRIPTION
[0025] The technical scheme of the patent will be further described in detail in combination with specific implementation manners.
[0026] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation on the patent.
[0027] REFERENCE Figures 1-5The utility model provides a kind of process condensate adsorption treatment equipment for stripping column, including shell 1, the top of the shell 1 is equipped with water inlet pipe 2, the bottom of the shell 1 is equipped with water outlet pipe 22, the inside of the shell 1 is fixedly provided with adsorption net box 8, the inside of the adsorption net box 8 is filled with activated carbon particles, the inner wall of the bottom of the shell 1 is movably installed with rotating rod 15, rotating plate 12 is sleeved at the circumference of the rotating rod 15, and the rotating plate 12 is equipped with the through hole two 17 of interval arrangement and is opened;The inside of the shell 1 is fixedly provided with fixed plate 14, the upper surface of the fixed plate 14 and the lower surface of rotating plate 12 are abutted, the top of the fixed plate 14 is equipped with the through hole one 16 of interval arrangement and is opened, and the opening position of the through hole one 16 and the opening position of the through hole two 17 correspond;The one end of the rotating rod 15 extending to adsorption net box 8 is hollow structure, and the one end of the rotating rod 15 extending to adsorption net box 8 is installed with a plurality of hollow agitating rod 10, and the sidewall of agitating rod 10 is equipped with water outlet hole 11, the outer wall of the shell 1 is installed with water pump 3, and the inside of rotating rod 15 and agitating rod 10 is communicated with the water outlet end of water pump 3 through extension water pipe 4, and the bottom outer wall of the shell 1 is provided with the driving motor 6 for driving rotating rod 15 to rotate.
[0028] When using, the process condensate to be treated is fed into the shell 1 through the water inlet pipe 2, and the activated carbon particles in the adsorption net box 8 adsorb the condensate flowing from top to bottom in the shell 1, and the condensate after adsorption treatment flows to the bottom of the shell 1 through the through hole two 17 and the through hole one 16, and finally is discharged through the water outlet pipe 22, when it is necessary to clean the activated carbon particles, the water inlet pipe 2 is closed, the rotating rod 15 is driven to rotate by the driving motor 6, the agitating rod 10 is driven to agitate the activated carbon particles, the activated carbon particles are rubbed with each other to remove the impurities adhered to the surface of the activated carbon particles, and at the same time, the cleaning liquid can be injected into the agitating rod 10 through the water pump 3 and the extension water pipe 4, the cleaning liquid is sprayed to the surface of the activated carbon particles from the water outlet hole 11, the activated carbon particles are effectively washed, and the sewage after washing can be discharged through the water outlet pipe 22, so that the activated carbon particles are conveniently cleaned.
[0029] As a preferred embodiment of the utility model, the top of the shell 1 is provided with a dispersion net plate 7 for dispersing the condensate fed through the water inlet pipe 2, so that the condensate uniformly contacts the activated carbon particles in the adsorption net box 8.
[0030] As a preferred embodiment of the utility model, the top of the fixed plate 14 is provided with a plurality of sewage collecting tanks 13 arranged at intervals, and the inside of the adjacent two sewage collecting tanks 13 is communicated.
[0031] As a preferred embodiment of the utility model, the top opening position of the sewage collecting tank 13 and the top opening position of the through hole one 16 are arranged at intervals, and the sewage collecting tank 13 is provided with a sewage discharge pipe 5 on one side.
[0032] As a preferred embodiment of the utility model, the center of the rotating plate 12 is provided with a mounting sleeve 18, and the mounting sleeve 18 is sleeved on the circumference of the rotating rod 15.
[0033] As a preferred embodiment of the utility model, the side wall of the mounting sleeve 18 is provided with an extension component 21, one end of the piston rod of the extension component 21 is provided with an electromagnetic component 20, the side wall of the mounting sleeve 18 is provided with a through hole three 19, the opening position of the through hole three 19 corresponds to the position of the electromagnetic component 20, when it is necessary to clean the activated carbon particles, the electromagnetic component 20 can be moved to the direction close to the rotating rod 15 through the extension component 21, the electromagnetic component 20 is moved to the side of the rotating rod 15 through the through hole three 19, the power supply of the electromagnetic component 20 is turned on, and then the mounting sleeve 18 and the rotating rod 15 are connected, so that the mounting sleeve 18, the rotating plate 12 and the rotating rod 15 rotate together, the opening of the through hole two 17 and the opening of the through hole one 16 are staggered through the driving of the driving motor 6, that is, the opening of the through hole two 17 corresponds to the top opening of the sewage collecting tank 13, at this time, the sewage produced by cleaning the activated carbon particles flows into the sewage collecting tank 13 through the through hole two 17, and the sewage in the sewage collecting tank 13 is discharged through the sewage discharge pipe 5, and the sewage produced by cleaning does not need to be discharged through the water outlet pipe 22.
[0034] As a preferred embodiment of the utility model, the adjacent two stirring rods 10 are provided with a stirring side wing 9, which is used for increasing the contact area with the activated carbon particles and improving the stirring efficiency of the activated carbon particles.
[0035] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A process condensate adsorption treatment equipment for stripping tower, comprising a shell (1), the top of the shell (1) is provided with a water inlet pipe (2), the bottom of the shell (1) is provided with a water outlet pipe (22), characterized in that, The inside of the shell (1) is fixedly provided with an adsorption net box (8), the inside of the adsorption net box (8) is filled with activated carbon particles, the bottom inner wall of the shell (1) is movably provided with a rotating rod (15), the circumferential surface of the rotating rod (15) is sleeved with a rotating plate (12), and the rotating plate (12) is provided with a plurality of spaced-apart through holes (17). The upper surface of the fixed plate (14) is abutted with the lower surface of the rotating plate (12), the top of the fixed plate (14) is provided with a plurality of spaced-apart through holes (16), and the opening positions of the through holes (16) correspond to the opening positions of the through holes (17). The end of the rotating rod (15) extending into the adsorption net box (8) is a hollow structure, a plurality of hollow stirring rods (10) are installed on the end of the rotating rod (15) extending into the adsorption net box (8), the side wall of the stirring rod (10) is provided with a water outlet hole (11), the outer wall of the shell (1) is provided with a water pump (3), the water outlet end of the water pump (3) is communicated with the interiors of the rotating rod (15) and the stirring rod (10) through an extension water pipe (4), and the bottom outer wall of the shell (1) is provided with a driving motor (6) for driving the rotating rod (15) to rotate.
2. A process condensate adsorption treatment apparatus for a stripping column according to claim 1, characterized by The top of the shell (1) is provided with a dispersion net plate (7) for dispersing the condensed liquid fed by the water inlet pipe (2).
3. A process condensate adsorption treatment apparatus for a stripping column according to claim 1, characterized by The top of the fixed plate (14) is provided with a plurality of spaced-apart sewage collecting grooves (13), and the interiors of adjacent two sewage collecting grooves (13) are communicated.
4. A process condensate adsorption treatment apparatus for a stripping column according to claim 3, characterized by The top opening positions of the sewage collecting grooves (13) and the top opening positions of the through holes (16) are spaced apart, and one side of the sewage collecting groove (13) is provided with a sewage discharge pipe (5).
5. A process condensate adsorption treatment apparatus for a stripping column according to claim 4, characterized by The circumcenter of the rotating plate (12) is provided with a mounting sleeve (18), and the mounting sleeve (18) is sleeved on the circumferential surface of the rotating rod (15).
6. A process condensate adsorption treatment apparatus for a stripping column according to claim 5, characterized by The side wall of the mounting sleeve (18) is provided with a telescopic component (21), the piston rod of the telescopic component (21) is provided with an electromagnetic component (20), the side wall of the mounting sleeve (18) is provided with a through hole (19), and the opening position of the through hole (19) corresponds to the position of the electromagnetic component (20).
7. A process condensate adsorption treatment apparatus for a stripping column according to claim 1, characterized by Adjacent two stirring rods (10) are provided with a pushing side wing (9).