Novel front-end oil removal equipment for phenol-ammonia wastewater in coal chemical industry
By designing multi-stage adsorption and automatic extrusion oil removal equipment at the front end of the phenol and ammonia wastewater treatment process, the problem of oil phase component removal in the phenol and ammonia recovery process is solved, achieving efficient oil removal and resource recovery, and ensuring stable equipment operation.
Patent Information
- Application Number
- CN202520034362.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing technologies are insufficient to effectively remove oil phase components from coal chemical wastewater at the upstream of the phenol and ammonia recovery process, leading to deactivation of the phenol and ammonia extractant and blockage of the recovery equipment, thus affecting the stable operation of the equipment.
A novel front-end oil removal device for phenol and ammonia wastewater from coal chemical industry is designed. Through reasonable layout and compact design, it is equipped with multiple baffles and turntables, combined with high-efficiency oil-water separation nanofilm materials, to achieve multi-stage adsorption and automatic extrusion oil removal.
It improves oil removal efficiency, reduces equipment size, avoids equipment blockage, achieves efficient collection of oil and water and secondary utilization of resources, and is safe with no hazardous chemicals and easy to maintain.
Smart Images

Figure CN223752582U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the water pollution control technical field, concretely relates to a novel coal chemical industry phenol ammonia wastewater front end oil removal equipment. BACKGROUND
[0002] China belongs to the coal-rich oil-poor gas type country, and coal is mainly used in energy utilization. The wastewater pollutant concentration discharged by coal chemical industry coking production is high, and it is difficult to treat. Phenol ammonia recovery of wastewater can solve the treatment problem of wastewater and realize efficient utilization of resources, but the oil phase component in wastewater will cause deactivation of phenol ammonia extractant and blockage of recovery equipment, thereby affecting stable operation of the equipment. How to effectively remove the oil phase component in wastewater in front of the phenol ammonia recovery process has been a key problem for industry practitioners.
[0003] The utility model can remove oil impurities in coal chemical industry phenol ammonia wastewater, recycle and collect the oil impurities for secondary utilization, and avoid blockage of phenol ammonia recovery equipment. The equipment has high oil removal efficiency, small size, convenient movement and broad market prospect. UTILITY MODEL CONTENT
[0004] The utility model discloses a novel coal chemical industry phenol ammonia wastewater front end oil removal equipment, which reduces the equipment size through reasonable structure layout and compact device design. Multiple partitions are installed inside to divide the oil removal device space into multiple flow intervals, and four catalyst layers are arranged to improve the oil removal efficiency. Efficient oil-water separation nanometer membrane material and equipment are organically combined to realize high-efficiency oil absorption-automatic extrusion.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A novel coal chemical industry phenol ammonia wastewater front end oil removal equipment, comprising a reactor shell, a water inlet, a water inlet pool, a water outlet, a water outlet pool, an oil outlet pool, a rotating shaft, a rotating disc and a partition, the front end of the reactor shell is the water inlet pool and has a water inlet for phenol ammonia wastewater to enter the oil removal equipment, a row of partitions is installed in the reactor shell to divide the oil removal equipment space into corresponding flow intervals, each flow interval has a rotating disc, the rotating shaft is arranged in the reactor shell and penetrates through the partition, the rotating disc is installed on the rotating shaft, the rear end of the reactor shell is the water outlet pool and has a water outlet for phenol ammonia wastewater after oil removal to flow out of the oil removal equipment, the bottom of the water inlet pool has a second drain, the bottom of the water outlet pool has a first drain, the bottom of the reactor shell is the oil outlet pool, and the bottom of the oil outlet pool has a row of oil discharge ports.
[0007] As a further improvement of the utility model, the top of the reactor shell has a row of observation ports.
[0008] As a further improvement of the utility model, the rotating disc is coated with an oil-water separation nanometer membrane.
[0009] As a further improvement of this utility model, a stainless steel screen is installed at the water inlet.
[0010] As a further improvement of this utility model, the reactor shell is provided with reinforcing ribs.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0012] Highly efficient oil removal. Multiple baffles divide the internal space of the oil removal equipment into multiple flow zones, and four rotating discs are installed to enable multi-stage adsorption of phenol and ammonia wastewater, thereby improving oil removal efficiency.
[0013] It occupies a small area. Due to its rational layout and compact design, it maximizes the use of space.
[0014] Easy to maintain. An observation port is provided at the top of the equipment for easy monitoring of its operating status and degreasing life.
[0015] Stable and safe. The entire device uses physical adsorption, eliminating safety hazards such as overheating and the use of hazardous chemicals. Additionally, a screen is installed at the inlet to prevent large waste residues from damaging the equipment. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of a novel front-end oil removal device for phenol and ammonia wastewater from coal chemical industry, as proposed in this utility model.
[0017] In the diagram: 1 is the water inlet; 2 is the water inlet pool; 3 is the rotating shaft; 4 is the reactor shell; 5 is the observation port; 6 is the water outlet pool; 7 is the water outlet; 8 is the oil outlet pool; 9 is the first drain outlet; 10 is the oil outlet; 11 is the second drain outlet; 12 is the rotating disc; 13 is the baffle plate. Detailed Implementation
[0018] The present invention will be further described below with reference to embodiments, but the scope of protection of the present invention is not limited thereto:
[0019] like Figure 1 As shown, a novel front-end oil removal device for phenol and ammonia wastewater from coal chemical industry is disclosed. The front-end oil removal device mainly includes an observation port 5 at the top of the reactor shell 4, an inlet 1 and an inlet pool 2, an outlet 7 and an outlet pool 6, an oil pool 8, a rotating shaft 3, and a rotating disk 12. After entering the oil removal device through the inlet 1, the phenol and ammonia wastewater is guided by a baffle 13, and the rotating disk 12 divides the internal space of the oil removal device into multiple flow zones. The rotating shaft 3 drives multiple rotating disks 12 to rotate at a uniform speed, achieving multi-stage oil removal and improving oil removal efficiency. The removed oil residue is squeezed out by the extruders on the rotating disks and flows into the oil pool 8. The oil-removed phenol and ammonia wastewater flows into the outlet pool 6 and is discharged through the outlet 7.
[0020] Further, multiple partitions 13 are installed in the device to divide the space in the device into multiple flow sections.
[0021] Further, four rotating discs 12 are installed on the rotating shaft 3 in the device, and the rotating discs are coated with high-efficiency oil-water separation nanometer film material.
[0022] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A novel coal chemical phenol ammonia wastewater front-end oil removal equipment, comprising a reactor shell (4), a water inlet (1), a water inlet pool (2), a water outlet (7), a water outlet pool (6), an oil outlet pool (8), a rotating shaft (3), a rotating disc (12) and a partition (13), characterized in that, The front end of the reactor shell (4) is the water inlet pool (2) and has the water inlet (1) for the phenol ammonia wastewater to enter the oil removal equipment, a row of partitions (13) is installed in the reactor shell (4) to separate the space in the oil removal equipment into corresponding flow intervals, each flow interval has a rotating disc (12), the rotating shaft (3) is arranged in the reactor shell (4) and penetrates through the partition (13), the rotating disc (12) is installed on the rotating shaft (3), the rear end of the reactor shell (4) is the water outlet pool (6) and has the water outlet (7) for the phenol ammonia wastewater after oil removal to flow out of the oil removal equipment, the bottom of the water inlet pool (2) has the drain outlet two (11), the bottom of the water outlet pool (6) has the drain outlet one (9), the bottom of the reactor shell (4) is the oil outlet pool (8), the bottom of the oil outlet pool (8) has a row of oil discharge outlets (10).
2. The novel coal chemical phenol ammonia wastewater front-end oil removal equipment according to claim 1 is characterized by: The top of the reactor shell (4) has a row of observation holes (5).
3. The novel coal chemical phenol ammonia wastewater front-end oil removal equipment according to claim 1 is characterized by: A layer of oil-water separation nanometer membrane is coated on the rotating disc (12).
4. The novel coal chemical phenol ammonia wastewater front-end oil removal equipment according to claim 1 is characterized by: The water inlet (1) is installed with the stainless steel screen.
5. The novel coal chemical phenol ammonia wastewater front-end oil removal equipment according to claim 1 is characterized by: The reactor shell (4) is provided with the reinforcing ribs.