Filtering and sterilizing equipment for treating water for food production
Through a multi-stage filtration and sterilization process, tap water is treated using quartz sand filters, activated carbon filters, PP cotton filters, ultraviolet lamp sterilization devices, and ozone sterilization devices. This solves the water quality problem of tap water in food production, improves water quality, and enhances the taste and shelf life of food.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-03-10
AI Technical Summary
The existing tap water has problems such as yellowing, turbidity, sand and gravel, odor, and excessive microorganisms in food production, which cannot meet the production needs.
The tap water is filtered, disinfected, and sterilized sequentially using a quartz sand filter, an activated carbon filter, a PP cotton filter, a first ultraviolet lamp sterilization device, an ozone sterilization device, and a second ultraviolet lamp sterilization device. Combined with liquid level detection and controller control, a multi-stage filtration and sterilization process is formed.
It improves water clarity, removes odors, kills microorganisms, meets the quality requirements of food production, and extends the shelf life of food.
Smart Images

Figure CN223983562U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of physics, and more particularly to water treatment devices, especially a filtration and sterilization device for treating water used in food production. Background Technology
[0002] In food production, water quality is one of the key factors affecting product quality. However, current technologies often present several problems with tap water, failing to meet production requirements. These problems include:
[0003] 1. Yellow, turbid water and sand: Tap water often contains suspended solids, silt and other impurities, which can cause the water to become turbid and yellow, and may even contain sand, affecting the taste of food.
[0004] 2. Odor in water: Tap water may contain chlorine, organic matter, and other odorous substances. These odors can directly affect the flavor of food and reduce the market competitiveness of products.
[0005] 3. Excessive microorganisms: Tap water may contain bacteria, viruses and other microorganisms, which can cause food spoilage, shorten the shelf life of products, and may even cause food safety problems. Utility Model Content
[0006] The purpose of this utility model is to provide a filtration and sterilization device for treating water used in food production. This filtration and sterilization device aims to solve the technical problem that the quality of tap water in the prior art cannot meet the needs of food production.
[0007] This utility model discloses a filtration and sterilization device for treating water used in food production. It includes a first water tank, with a tap water pipe connected to its inlet. The tap water pipe extends into the first water tank and is connected to a float valve. The outlet of the first water tank is connected to the inlet of a first water pump via a pipe. The outlet of the first water pump is connected to the inlet of a quartz sand filter via a pipe. The outlet of the quartz sand filter is connected to the inlet of an activated carbon filter via a pipe. The outlet of the activated carbon filter is connected to the inlet of a PP cotton filter via a pipe. The outlet of the PP cotton filter is connected to the inlet of a first ultraviolet lamp sterilization device via a pipe. The outlet of the first ultraviolet lamp sterilization device is connected to the inlet of a second water tank via a pipe. The second water tank is equipped with a liquid level detection device. The first outlet of the second water tank is connected to the inlet of an ozone sterilization device via a pipe. The outlet of the ozone sterilization device is connected to the inlet of a second water pump via a pipe. The outlet of the second water pump is connected to the inlet of a second ultraviolet lamp sterilization device via a pipe. The outlet of the second ultraviolet lamp sterilization device is connected to a point of use via a pipe. The signal output terminal of the liquid level detection device and the control terminals of the first and second water pumps are all connected to a controller.
[0008] Furthermore, the ozone sterilization device has a built-in cooling device, which includes a cooling water pump. The inlet of the cooling water pump is connected to another outlet of the first water tank through a pipe, and the outlet of the cooling water pump is connected to a drain pipe.
[0009] Furthermore, the number of PP cotton filters is five.
[0010] Furthermore, the liquid level detection device is a pressure transmitter.
[0011] Compared with existing technologies, the effects of this invention are positive and significant. This invention sequentially utilizes a quartz sand filter, an activated carbon filter, a PP cotton filter, a first ultraviolet lamp sterilization device, an ozone sterilization device, and a second ultraviolet lamp sterilization device to filter, disinfect, and sterilize tap water, improving water quality, enhancing water clarity, removing odors, improving food taste, solving the problem of excessive microorganisms, meeting production process requirements, and extending food shelf life. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of a filtration and sterilization device for treating water used in food production, according to the present invention. Detailed Implementation
[0013] The present invention will be further described below with reference to embodiments, but the present invention is not limited to these embodiments. Any similar variations using the present invention should be included within the protection scope of the present invention. The use of directions such as up, down, front, back, left, right, center, inside, and outside in the present invention is only for the convenience of clear description and is not intended to limit the technical solution of the present invention.
[0014] like Figure 1As shown, this utility model discloses a filtration and sterilization device for treating water used in food production. It includes a first water tank 1, with a tap water pipe 2 connected to the inlet of the first water tank 1. The tap water pipe 2 extends into the first water tank 1 and is connected to a float valve (not shown). The outlet of the first water tank 1 is connected to the inlet of a first water pump 3 via a pipe. The outlet of the first water pump 3 is connected to the inlet of a quartz sand filter 4 via a pipe. The outlet of the quartz sand filter 4 is connected to the inlet of an activated carbon filter 5 via a pipe. The outlet of the activated carbon filter 5 is connected to the inlet of a PP cotton filter 6 via a pipe. The outlet of the PP cotton filter 6 is connected to a first ultraviolet lamp sterilization device 7 via a pipe. The inlet of the first ultraviolet lamp sterilization device 7 is connected to the outlet of the second water tank 8 via a pipe. The second water tank 8 is equipped with a liquid level detection device (not shown in the figure). The first outlet of the second water tank 8 is connected to the inlet of the ozone sterilization device 9 via a pipe. The outlet of the ozone sterilization device 9 is connected to the inlet of the second water pump 10 via a pipe. The outlet of the second water pump 10 is connected to the inlet of the second ultraviolet lamp sterilization device 11 via a pipe. The outlet of the second ultraviolet lamp sterilization device 11 is connected to the water point via a pipe. The signal output terminal of the liquid level detection device, the control terminal of the first water pump 3, and the control terminal of the second water pump 10 are all connected to a controller.
[0015] Furthermore, the ozone sterilization device 9 has a built-in cooling device, which includes a cooling water pump. The inlet of the cooling water pump is connected to another outlet of the first water tank 1 through a pipe, and the outlet of the cooling water pump is connected to a drain pipe 12.
[0016] Furthermore, the number of PP cotton filters 6 is five.
[0017] Furthermore, the liquid level detection device is a pressure transmitter.
[0018] Specifically, the specific structures and principles of components such as the float valve, water pump, quartz sand filter 4, activated carbon filter 5, PP cotton filter 6, ultraviolet lamp sterilization device, liquid level detection device, ozone sterilization device 9, and controller in this utility model, as well as other aspects not described in detail, all adopt well-known solutions in the prior art, which are already understood by those skilled in the art and will not be elaborated here. For example, the PP cotton filter 6 includes a shell and a filter element, the filter element being a cylindrical filter element made of polypropylene (PP) fiber. The ozone sterilization device 9 includes an ozone generator of model DY-S30FSK manufactured by Shanghai Dingyi Environmental Protection Technology Co., Ltd. The controller uses a PLC.
[0019] The working process of this embodiment is as follows:
[0020] 1. Tap water pipe 2 supplies tap water to the first water tank 1, and controls the liquid level in the first water tank 1 through a float valve.
[0021] 2. The water in the first water tank 1 is pumped to the quartz sand filter 4 by the first water pump 3 for filtration, which can effectively remove large suspended solids, silt and other impurities from the water, making the water initially clear.
[0022] 3. Next, the water passes through activated carbon filter 5. Activated carbon can adsorb odor substances in the water, further improving water quality and taste.
[0023] 4. Next, the water passes through the PP cotton filter 6, where tiny particles and colloidal substances are trapped.
[0024] 5. Next, the water passes through the first ultraviolet lamp sterilization device 7, where the ultraviolet lamp directly irradiates the water to kill bacteria, viruses and other microorganisms in the water.
[0025] 6. Then the water flows into the second water tank 8. The liquid level detection device detects the water level in the second water tank 8. Under the control of the controller, when the second water tank 8 is at a high liquid level, the first water pump 3 stops working, and when the second water tank 8 is at a low liquid level, the first water pump 3 starts working.
[0026] 7. Then, the water in the second water tank 8 enters the ozone sterilization device 9 under the drive of the second water pump 10. The ozone sterilization device 9 fully contacts the ozone with the water to kill microorganisms and remove odors.
[0027] 8. Next, it passes through the second ultraviolet lamp sterilization device 11 for ultraviolet disinfection again.
[0028] 9. Conduct water quality (color, odor, microorganisms) tests at the point of use.
[0029] This utility model utilizes a quartz sand filter 4, an activated carbon filter 5, a PP cotton filter 6, a first ultraviolet lamp sterilization device 7, an ozone sterilization device 9, and a second ultraviolet lamp sterilization device 11 in sequence to filter, disinfect, and sterilize tap water, thereby improving water quality, enhancing water clarity, removing odors, improving food taste, solving the problem of excessive microorganisms, meeting production process requirements, and extending the shelf life of food.
Claims
1. A filter sterilization apparatus for treating water used in food production, characterized by, The first water tank is connected with a water pipe, and the water pipe extends into the first water tank and is connected with a float valve; the outlet of the first water tank is connected with the inlet of a first water pump through a pipe; the outlet of the first water pump is connected with the inlet of a quartz sand filter through a pipe; the outlet of the quartz sand filter is connected with the inlet of an activated carbon filter through a pipe; the outlet of the activated carbon filter is connected with the inlet of a PP cotton filter through a pipe; the outlet of the PP cotton filter is connected with the inlet of a first ultraviolet lamp sterilization device through a pipe; the outlet of the first ultraviolet lamp sterilization device is connected with the inlet of a second water tank through a pipe; the second water tank is provided with a liquid level detection device; the first outlet of the second water tank is connected with the inlet of an ozone sterilization device through a pipe; the outlet of the ozone sterilization device is connected with the inlet of a second water pump through a pipe; the outlet of the second water pump is connected with the inlet of a second ultraviolet lamp sterilization device through a pipe; the outlet of the second ultraviolet lamp sterilization device is connected with a water use point; the signal output end of the liquid level detection device and the control ends of the first water pump and the second water pump are connected with a controller.
2. The filter sterilization apparatus for treating food production water according to claim 1, wherein The ozone sterilization device is provided with a cooling device, and the cooling device comprises a cooling water pump; the inlet of the cooling water pump is connected with another outlet of the first water tank through a pipe; and the outlet of the cooling water pump is connected with a drainage pipe.
3. The filter sterilization apparatus for treating food production water according to claim 1, wherein The number of the PP cotton filters is five.
4. The filter sterilization apparatus for treating food production water according to claim 1, wherein The liquid level detection device is a pressure transmitter.