Radiographic film washing water recycling device
By designing a device for recycling X-ray film washing water and using multi-layer filtration technology to purify the washing water, the problem of direct discharge of washing wastewater was solved, realizing the recycling of water resources and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHENJIANG XINHUADIAN ENG QUALITY TESTING CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-04-21
AI Technical Summary
In existing X-ray film processing, the direct discharge of wastewater after processing leads to environmental pollution and resource waste. The lack of an effective recycling mechanism increases production costs and environmental pollution.
Design a device for recycling X-ray film washing water, including a washing frame and a waste liquid collection frame. The device uses multiple layers of filtration, including an activated carbon filter layer, an ultrafiltration membrane filter layer, and an ion exchange resin filter layer, to purify the washing water and then recycle it.
This technology enables the recycling of rinsing water, reduces water waste and the use of chemical agents, lowers production costs, and improves environmental friendliness and economic efficiency.
Smart Images

Figure CN224142997U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of film processing technology, and in particular to a device for recycling X-ray film processing water. Background Technology
[0002] The film processing stage generates a large amount of wastewater containing chemicals such as silver, developer, and fixer. Direct discharge of this wastewater not only severely pollutes the environment but also wastes resources. However, traditional film processing uses only one-time water, discarding the wastewater after processing without any recycling measures, resulting in a significant waste of water resources. Furthermore, due to the lack of an effective recycling mechanism, new chemical agents must be continuously added to ensure processing results. This not only significantly increases production costs but also further exacerbates environmental pollution due to the use of large quantities of chemicals. Therefore, there is an urgent need for a device that can recycle processing water to change this situation. Utility Model Content
[0003] The main purpose of this invention is to provide a device for recycling X-ray film washing water, which can effectively solve the problems in the background art.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] A device for recycling radiographic film washing water includes a washing table with two washing tanks at the upper end. Each washing tank contains a film washing structure. The lower inner wall of each washing tank has a through-hole for draining. The lower front end of the washing table has a rectangular groove. The upper left and upper right inner walls of the rectangular groove have upper slots with through-holes at the front end. The lower left and lower right inner walls of the rectangular groove have lower slots with through-holes at the front end. A washing water filter is movably inserted into both upper slots, and a water collection box is slidably inserted into both lower slots.
[0006] Preferably, the film washing structure includes a washing frame, a water inlet chamber is provided in the lower part of the washing frame, four film slots are provided at the upper end of the washing frame, a number of through water inlet holes are provided in the lower inner wall of the washing frame, and a liquid inlet tube is fixedly connected to the lower front end of the washing frame, with one end of the liquid inlet tube extending into the water inlet chamber.
[0007] Preferably, the four film slots are connected to the interior of the water inlet cavity through a number of water inlet holes.
[0008] Preferably, the two film washing structures are symmetrically distributed from left to right.
[0009] Preferably, the flushing water filtration device includes a waste liquid collection frame, with plugs fixedly connected to the left and right ends of the waste liquid collection frame, and three drain pipes fixedly connected to the front of the lower end of the waste liquid collection frame. The three drain pipes are distributed at equal distances, and a waste liquid filtration component is snapped into the waste liquid collection frame.
[0010] Preferably, the waste liquid collection frame is movably connected to the cleaning table via two insert blocks and two upper slots.
[0011] Preferably, the waste liquid filtration assembly includes an activated carbon filter layer, a liquid receiving groove is formed at the upper rear part of the activated carbon filter layer, an ultrafiltration membrane filter layer is provided on the front side of the activated carbon filter layer, and an ion exchange resin filter layer is provided on the front side of the ultrafiltration membrane filter layer.
[0012] Preferably, the activated carbon filter layer, the ultrafiltration membrane filter layer, and the ion exchange resin filter layer are all snapped together in the waste liquid collection frame, the liquid receiving tank is located directly below the two drain holes, and the ion exchange resin filter layer is located above and behind the three drain pipes.
[0013] Preferably, the waste liquid collection frame is connected to the interior of the water receiving box through three drain pipes.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] 1. In this utility model, the water inlet chamber in the rinsing frame, in conjunction with the liquid inlet pipe, can stably and efficiently introduce rinsing liquid, ensuring sufficient storage and supply space for the rinsing liquid. The fine water inlet holes are evenly distributed on the lower wall of the rinsing frame, allowing the rinsing liquid in the water inlet chamber to slowly and evenly rise to the film slot, rinsing the inserted film from all directions without dead angles, ensuring the consistency and stability of the rinsing effect. The symmetrical design on the left and right sides greatly improves the efficiency of film rinsing, allowing multiple films to be processed at the same time, effectively reducing rinsing time costs, and providing high-quality waste liquid to be treated for subsequent rinsing water recycling processes.
[0016] 2. In this utility model, the waste liquid collection frame is movably connected to the washing platform via a plug, facilitating installation, disassembly, and maintenance. The liquid receiving tank is precisely located directly below the drain hole, enabling it to quickly collect the waste liquid generated during rinsing. The internal activated carbon filter layer first adsorbs organic impurities and pigments in the waste liquid, initially purifying the water quality. The ultrafiltration membrane filter layer further traps tiny particles and bacteria, improving water purity. The ion exchange resin filter layer removes harmful ions. The three-layer filtration works synergistically to effectively purify wastewater containing silver, developer, fixer, etc. The purified water flows into the water receiving box through equally spaced drain pipes, providing a clean water source for the recycling of rinsing water and greatly reducing pollution and resource waste. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of a radiographic film washing water recycling device according to the present invention;
[0018] Figure 2 This is a schematic diagram of the internal structure of the cleaning table of the X-ray film washing water recycling device of this utility model;
[0019] Figure 3 This is a cross-sectional schematic diagram of the overall structure of the radiographic film washing device of the present invention.
[0020] Figure 4 This is a schematic diagram of the overall structure of the rinsing water filtration device of the X-ray film rinsing water recycling device of this utility model;
[0021] Figure 5 This is a schematic diagram of the overall structure of the waste liquid filtration component of a radiographic film washing water recycling device according to the present invention.
[0022] In the diagram: 1. Washing station; 2. Rinsing tank; 3. Film washing structure; 4. Rectangular tank; 5. Upper slot; 6. Rinsing water filtration device; 7. Lower slot; 8. Water receiving box; 9. Drain hole; 31. Rinsing frame; 32. Water inlet chamber; 33. Film slot; 34. Water inlet fine hole; 35. Liquid inlet pipe; 61. Waste liquid collection frame; 62. Insert block; 63. Waste liquid filtration assembly; 64. Drain pipe; 631. Activated carbon filter layer; 632. Liquid receiving tank; 633. Ultrafiltration membrane filter layer; 634. Ion exchange resin filter layer. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0026] Please see Figure 1-5 This utility model provides a technical solution:
[0027] A device for recycling X-ray film washing water includes a washing table 1. The upper end of the washing table 1 has two washing tanks 2. Each of the two washing tanks 2 is equipped with a film washing structure 3. The lower inner wall of each of the two washing tanks 2 has a through-hole 9. The lower front end of the washing table 1 has a rectangular groove 4. The upper left and upper right inner walls of the rectangular groove 4 have upper slots 5 with through-holes at the front end. The lower left and lower right inner walls of the rectangular groove 4 have lower slots 7 with through-holes at the front end. A washing water filter 6 is movably inserted into the two upper slots 5. A water collection box 8 is slidably inserted into the two lower slots 7.
[0028] In this embodiment, the film washing structure 3 includes a washing frame 31, a water inlet cavity 32 is provided in the lower part of the washing frame 31, four film slots 33 are provided at the upper end of the washing frame 31, a number of through water inlet holes 34 are provided in the lower inner wall of the washing frame 31, and an inlet pipe 35 is fixedly connected to the lower front end of the washing frame 31. One end of the inlet pipe 35 extends into the water inlet cavity 32. The four film slots 33 communicate with the interior of the water inlet cavity 32 through a number of water inlet holes 34. The two film washing structures 3 are symmetrically distributed from left to right.
[0029] Through the above scheme: the rinsing fluid flows into the water inlet chamber 32 through the inlet pipe 35. Since the water inlet chamber 32 is connected to the film slot 33 through the water inlet hole 34, the rinsing fluid will rise evenly to the film slot 33 through the water inlet hole 34 to rinse the film inserted therein. The two film rinsing structures 3, which are symmetrically distributed on the left and right, can rinse multiple films at the same time, improving work efficiency. Therefore, this design changes the traditional method of single-use water, so that the rinsing fluid can be recycled. The inlet pipe 35 and the water inlet chamber 32 ensure a stable supply of rinsing fluid, and the water inlet hole 34 makes the rinsing fluid contact the film evenly, ensuring the rinsing effect, reducing the continuous addition of new chemical agents, reducing production costs, reducing environmental pollution caused by the use of chemicals, and improving the utilization rate of water resources.
[0030] In this embodiment, the rinsing water filtration device 6 includes a waste liquid collection frame 61. Inserts 62 are fixedly connected to the left and right ends of the waste liquid collection frame 61. Three drain pipes 64 are fixedly connected to the lower front of the waste liquid collection frame 61, and the three drain pipes 64 are evenly distributed. A waste liquid filtration assembly 63 is snapped into the waste liquid collection frame 61. The waste liquid collection frame 61 is movably inserted into the washing table 1 via two inserts 62 and two upper slots 5. The waste liquid filtration assembly 63 includes an activated carbon filter layer 631, with a [missing information - likely a cut-out or opening] at the upper rear of the activated carbon filter layer 631. The liquid receiving tank 632 has an ultrafiltration membrane filter layer 633 installed in front of the activated carbon filter layer 631, and an ion exchange resin filter layer 634 installed in front of the ultrafiltration membrane filter layer 633. The activated carbon filter layer 631, the ultrafiltration membrane filter layer 633, and the ion exchange resin filter layer 634 are all snapped into the waste liquid collection frame 61. The liquid receiving tank 632 is located directly below the two drain holes 9, and the ion exchange resin filter layer 634 is located above and behind the three drain pipes 64. The waste liquid collection frame 61 is connected to the interior of the water receiving box 8 through the three drain pipes 64.
[0031] Through the above scheme: the waste liquid after rinsing the film flows from the drain hole 9 of the washing table 1 into the waste liquid collection frame 61 and the receiving tank 632. The waste liquid first passes through the activated carbon filter layer 631, which adsorbs organic impurities, pigments, etc., and then passes through the ultrafiltration membrane filter layer 633, which intercepts small particles, bacteria, etc. Finally, it passes through the ion exchange resin filter layer 634 to remove harmful ions. After these three layers of filtration, the clean liquid flows from the drain pipe 64 into the water receiving box 8. The movable plug-in design of the plug 62 and the upper slot 5 facilitates the installation and disassembly of the device. Thus, this device realizes the recycling of rinsing water, solves the problem of water waste in traditional processes, ensures water quality through multi-layer filtration, reduces the addition of new chemical agents, reduces costs and environmental pollution, and the convenient installation method facilitates maintenance and replacement of filter components.
[0032] It should be noted that this utility model is a device for recycling X-ray film washing water. In use, firstly, the X-ray film is inserted into the film slot 33 of the film washing structure 3. The washing liquid flows into the water inlet chamber 32 through the liquid inlet pipe 35, and then enters the film slot 33 through the water inlet fine hole 34 to wash the film. The wastewater containing chemicals such as silver, developer, and fixer after washing flows into the washing water filtration device 6 from the drain hole 9 on the lower wall of the washing tank 2. The wastewater flows into the receiving tank 632 of the waste liquid collection frame 61 and passes through the activated carbon filter in sequence. Layer 631 adsorbs organic impurities and pigments, ultrafiltration membrane layer 633 traps tiny particles and bacteria, and ion exchange resin layer 634 removes harmful ions. Water filtered through these three layers flows into water collection box 8 through drain pipe 64 and can be reused for film rinsing. Thus, all components work together to achieve the recycling of X-ray film rinsing water, avoiding environmental pollution caused by direct wastewater discharge, reducing water waste, and lowering the amount of new chemical agents used, saving costs and improving the environmental friendliness and economy of X-ray film rinsing.
[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A radiographic film processing water recycling device comprising a washing table (1), characterized in that: The upper end of the cleaning platform (1) has two rinsing tanks (2), and each of the two rinsing tanks (2) is equipped with a bottom washing structure (3). The lower inner wall of each of the two rinsing tanks (2) has a through-hole (9). The lower front end of the cleaning platform (1) has a rectangular groove (4). The upper left and upper right inner walls of the rectangular groove (4) have upper slots (5) with through-holes at the front end. The lower left and lower right inner walls of the rectangular groove (4) have lower slots (7) with through-holes at the front end. A rinsing water filter device (6) is movably inserted into the two upper slots (5), and a water receiving box (8) is slidably inserted into the two lower slots (7). The film washing structure (3) includes a washing frame (31), a water inlet cavity (32) is provided in the lower part of the washing frame (31), four film slots (33) are provided at the upper end of the washing frame (31), a number of through water inlet holes (34) are provided in the lower inner wall of the washing frame (31), and an inlet pipe bucket (35) is fixedly connected to the lower front end of the washing frame (31), one end of the inlet pipe bucket (35) extends into the water inlet cavity (32).
2. The water recycling device for film processing according to claim 1, wherein: The four film slots (33) are connected to the interior of the water inlet cavity (32) through a number of water inlet holes (34).
3. The water recycling device for film processing according to claim 1, wherein: The two film washing structures (3) are symmetrically distributed from left to right.
4. The water recycling device for film processing according to claim 1, wherein: The flushing water filtration device (6) includes a waste liquid collection frame (61), with a plug (62) fixedly connected to the left and right ends of the waste liquid collection frame (61), and three drain pipes (64) fixedly connected to the front of the lower end of the waste liquid collection frame (61). The three drain pipes (64) are distributed at equal distances, and a waste liquid filtration assembly (63) is snapped into the waste liquid collection frame (61).
5. The water recycling device for film processing according to claim 4, wherein: The waste liquid collection frame (61) is movably connected to the cleaning table (1) through two plugs (62) and two upper slots (5).
6. The water recycling device for film processing according to claim 4, wherein: The waste liquid filtration assembly (63) includes an activated carbon filter layer (631), a liquid receiving groove (632) is opened at the upper rear part of the activated carbon filter layer (631), an ultrafiltration membrane filter layer (633) is provided on the front side of the activated carbon filter layer (631), and an ion exchange resin filter layer (634) is provided on the front side of the ultrafiltration membrane filter layer (633).
7. The water recycling device for film processing according to claim 6, wherein: The activated carbon filter layer (631), ultrafiltration membrane filter layer (633) and ion exchange resin filter layer (634) are all snapped into the waste liquid collection frame (61). The liquid receiving tank (632) is located directly below the two drain holes (9), and the ion exchange resin filter layer (634) is located above and behind the three drain pipes (64).
8. The water recycling device for film processing according to claim 4, wherein: The waste liquid collection box (61) is connected to the interior of the water receiving box (8) through three drain pipes (64).