Recovery device for bromine element in medical intermediate production wastewater
By designing a wastewater treatment tank and a water storage tank, and using stirring and oxidizing agents to separate bromine from water, the problem of bromine not being recovered from wastewater in pharmaceutical intermediate production was solved, achieving effective bromine recovery and environmental protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN TAIFENG PHARMA & CHEM CO LTD
- Filing Date
- 2025-01-23
- Publication Date
- 2026-04-21
AI Technical Summary
In existing technologies, the wastewater generated during the production of pharmaceutical intermediates contains a large amount of bromine, which cannot be effectively recovered, leading to environmental pollution and resource waste.
A device comprising a wastewater treatment tank and a water storage tank was designed. Bromine is separated from water by stirring and oxidizing agent, and bromine is recovered by using a liquid level sensor and a water pump. The device has a simple structure and is easy to operate.
This method enables the effective recovery of bromine, reduces environmental pollution, saves manpower and resources, and improves work efficiency.
Smart Images

Figure CN224147831U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pharmaceutical intermediate production technology, and in particular to a device for recovering bromine from wastewater in pharmaceutical intermediate production. Background Technology
[0002] Bromine plays an important role in current industrial production. Bromine compounds can be used as flame retardants, water purifiers, pesticides, dyes, etc. Bromine compounds are also widely used in the synthesis of organic reaction intermediates. Therefore, bromine-containing waste liquids are often discharged in industry.
[0003] To protect the environment, the wastewater generated during the production of pharmaceutical intermediates contains a large amount of bromine, which has recycling value. Therefore, it is necessary to treat the wastewater after the production of pharmaceutical intermediates and recover the bromine from the wastewater. Summary of the Invention
[0004] In view of this, the purpose of this utility model is to provide a device for recovering bromine from pharmaceutical intermediate production wastewater, which can achieve the treatment of wastewater from pharmaceutical intermediate production and recover bromine from the wastewater.
[0005] This utility model is implemented using the following method: a device for recovering bromine from wastewater in the production of pharmaceutical intermediates, comprising a supporting base plate, a wastewater treatment tank disposed at the left end of the upper surface of the supporting base plate, a water storage tank disposed at the right end of the upper surface of the supporting base plate, a partition plate disposed at the bottom of the wastewater treatment tank, the partition plate dividing the wastewater treatment tank into a wastewater treatment area and a recovery area, the wastewater treatment area and the recovery area being arranged vertically, the wastewater treatment area and the recovery area being connected by a connecting pipe, and the wastewater treatment tank being connected to the water storage tank by a connector.
[0006] Furthermore, an inlet pipe is connected to the upper left side of the wastewater treatment tank, a drive motor is installed in the middle of the upper surface of the wastewater treatment tank, the output end of the drive motor is connected to a rotating shaft, the rotating shaft is located in the wastewater treatment area, and a stirring blade is installed at the end of the rotating shaft. A feed pipe is connected to the right end of the upper surface of the wastewater treatment tank, and a pump is installed on the feed pipe. A first liquid level sensor is installed at the upper left side of the wastewater treatment area.
[0007] Furthermore, a second liquid level sensor is installed at the upper right side of the water storage tank, and a drain pipe is connected to the lower right side of the water storage tank, with a first water pump installed on the drain pipe.
[0008] Furthermore, the connector includes a water pumping pipe, and a strip-shaped groove is provided on the right side of the wastewater treatment area. A multi-section telescopic cylinder is installed in the strip-shaped groove. A lifting block is provided at the end of the telescopic rod of the multi-section telescopic cylinder. A water suction head is embedded at the left end of the lifting block. A corrugated pipe is connected to the water suction head. The corrugated pipe is connected to the water pumping pipe. The water pumping pipe is connected to the water storage tank. A second water pump is installed on the water pumping pipe.
[0009] Furthermore, a third liquid level sensor is installed at the upper left side of the recycling area, a solenoid valve is installed in the connecting pipe, a discharge pipe is connected to the lower left side of the wastewater treatment tank, and a third water pump is installed on the discharge pipe.
[0010] The beneficial effects of this utility model are as follows: This utility model incorporates a wastewater treatment tank and a water storage tank into the device, which can realize the treatment of wastewater from the production of pharmaceutical intermediates. By adding an oxidant, the precipitated bromine and water can be separated into layers, thereby realizing the recovery of bromine. This utility model has a simple structure, is easy to operate, and can effectively save manpower and material resources and improve work efficiency. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] Figure 2 This is the front view of the present invention. Detailed Implementation
[0013] The present invention will be further described below with reference to the accompanying drawings.
[0014] Please see Figure 1 and Figure 2 As shown, this utility model provides an embodiment: a device for recovering bromine from wastewater in pharmaceutical intermediate production, comprising a supporting base plate 1, a wastewater treatment tank 2 disposed on the left end of the upper surface of the supporting base plate 1, and a water storage tank 3 disposed on the right end of the upper surface of the supporting base plate 1. A partition plate 21 is disposed at the bottom of the wastewater treatment tank 2, dividing the wastewater treatment tank 2 into a wastewater treatment zone 22 and a recovery zone 23. The wastewater treatment zone 22 and the recovery zone 23 are arranged vertically and connected by a connecting pipe 24. The wastewater treatment tank 2 is connected to the water storage tank 3 via a connector 4. This allows bromine to be recovered by adding wastewater from the pharmaceutical intermediate production process into the wastewater treatment tank 2, then adding an oxidant (hydrogen peroxide or sodium hypochlorite), and then stirring to achieve stratification of bromine and water. The lower liquid is bromine.
[0015] Please continue reading. Figure 2As shown, in one embodiment of this utility model, an observation window 7 is provided on the right side of the front of the wastewater treatment tank 2, which facilitates observation during wastewater treatment.
[0016] Please continue reading. Figure 1 and Figure 2 As shown in one embodiment of this utility model, an inlet pipe 25 is connected to the upper left side of the wastewater treatment tank 2. A drive motor 26 is installed in the middle of the upper surface of the wastewater treatment tank 2. The output end of the drive motor 26 is connected to a rotating shaft 27, which is located within the wastewater treatment zone 22. A stirring blade 28 is installed at the end of the rotating shaft 27. A feed pipe 29 is connected to the right side of the upper surface of the wastewater treatment tank 2, and a pump 20 is installed on the feed pipe 29. A first liquid level sensor 5 is installed at the upper left side of the wastewater treatment zone 22. This allows the drive motor 26 to drive the rotating shaft 27 to rotate, thereby enabling the stirring blade 28 to rotate and achieving a better mixing effect.
[0017] Please continue reading. Figure 1 and Figure 2 As shown in one embodiment of this utility model, a second liquid level sensor 31 is installed at the upper end of the right side of the water storage tank 3, and a drain pipe 32 is connected to the lower end of the right side of the water storage tank 3. A first water pump 33 is installed on the drain pipe 32. This allows the liquid level inside the water storage tank 3 to be monitored in real time through the second liquid level sensor 31.
[0018] Please continue reading. Figure 1 and Figure 2 As shown, in one embodiment of this utility model, the connecting member 4 includes a water suction pipe 41. A strip-shaped groove (not shown) is provided on the right side of the wastewater treatment area 22. A multi-section telescopic cylinder 42 is installed within the strip-shaped groove. A lifting block 43 is provided at the end of the telescopic rod of the multi-section telescopic cylinder 42. A suction head 44 is embedded at the left end of the lifting block 43. A corrugated pipe 45 is connected to the suction head 44, and the corrugated pipe 45 is connected to the water suction pipe 41. The water suction pipe 41 is connected to the water storage tank 3, and a second water pump 46 is installed on the water suction pipe 41. This allows the multi-section telescopic cylinder 42 to drive the lifting block 43 to move up and down, thereby enabling the suction head 44 to move up and down. The second water pump 46 then sucks away the wastewater from the upper layer.
[0019] Please continue reading. Figure 1As shown in one embodiment of this utility model, a third liquid level sensor 6 is installed at the upper left side of the recovery zone 23, a solenoid valve 61 is installed in the connecting pipe 24, and a discharge pipe 62 is connected to the lower left side of the wastewater treatment tank 2. A third water pump 63 is installed on the discharge pipe 62. This allows for liquid level monitoring in the recovery zone 23 via the third liquid level sensor 6, and the extraction of precipitated bromine via the third water pump 63 and discharge pipe 62.
[0020] In this utility model, the drive motor, water pump, multi-section telescopic cylinder and liquid level sensor are all existing technologies, which can be clearly understood by those skilled in the art, and will not be described in detail here. The liquid level sensor can be JZM5260, but is not limited to it.
[0021] The above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall be covered by the present utility model.
Claims
1. A device for recovering bromine elements in pharmaceutical intermediate production wastewater, characterized by: The system includes a supporting base plate, a wastewater treatment tank is mounted on the left end of the upper surface of the supporting base plate, a water storage tank is mounted on the right end of the upper surface of the supporting base plate, a partition plate is mounted on the bottom of the wastewater treatment tank, the partition plate divides the wastewater treatment tank into a wastewater treatment area and a recycling area, the wastewater treatment area and the recycling area are arranged vertically, the wastewater treatment area and the recycling area are connected by a connecting pipe, and the wastewater treatment tank is connected to the water storage tank by a connector.
2. The device for recovering bromine from pharmaceutical intermediate production wastewater according to claim 1, characterized in that: A water inlet pipe is connected to the upper left side of the wastewater treatment tank. A drive motor is installed in the middle of the upper surface of the wastewater treatment tank. The output end of the drive motor is connected to a rotating shaft, which is located in the wastewater treatment area. A stirring blade is installed at the end of the rotating shaft. A feed pipe is connected to the right side of the upper surface of the wastewater treatment tank. A pump is installed on the feed pipe. A first liquid level sensor is installed at the upper left side of the wastewater treatment area.
3. The device for recovering bromine from pharmaceutical intermediate production wastewater according to claim 1, characterized in that: A second liquid level sensor is installed at the upper right side of the water storage tank, and a drain pipe is connected to the lower right side of the water storage tank. A first water pump is installed on the drain pipe.
4. The device for recovering bromine from pharmaceutical intermediate production wastewater according to claim 1, characterized in that: The connector includes a water pump pipe. A strip-shaped groove is provided on the right side of the wastewater treatment area. A multi-section telescopic cylinder is installed in the strip-shaped groove. A lifting block is provided at the end of the telescopic rod of the multi-section telescopic cylinder. A water suction head is embedded at the left end of the lifting block. A corrugated pipe is connected to the water suction head. The corrugated pipe is connected to the water pump pipe. The water pump pipe is connected to the water storage tank. A second water pump is installed on the water pump pipe.
5. The device for recovering bromine from pharmaceutical intermediate production wastewater according to claim 1, characterized in that: A third liquid level sensor is installed at the upper left side of the recycling area, a solenoid valve is installed in the connecting pipe, and a discharge pipe is connected to the lower left side of the wastewater treatment tank. A third water pump is installed on the discharge pipe.