Pretreatment equipment capable of conveniently replacing multi-medium filter
The electric cylinder drives the back plate to drive the gear transmission, which realizes the automatic alternating opening and closing of the valve body and the real-time indication of the identification light. This solves the problem of complicated replacement of traditional multi-media filters and improves the operating efficiency and production stability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-04-07
AI Technical Summary
The replacement of traditional multi-media filters is complicated, requiring the filtration process to be paused and the valve to be manually controlled, which affects work efficiency and poses a risk of equipment downtime.
An electric cylinder drives the back plate to drive the rack and gear transmission, realizing the automatic alternating opening and closing of the valve body. Combined with the real-time indication of the indicator light, it simplifies the replacement process of multi-media filter elements.
It enables filter replacement without interrupting filtration operations, improving equipment maintenance efficiency, reducing downtime and equipment failure risks, and ensuring production stability and accuracy.
Smart Images

Figure CN224086247U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of pure water treatment especially relates to a pretreatment equipment of convenient replacement multi -media filter. BACKGROUND
[0002] In the field of pure water and high-purity water preparation, high-quality water preparation is crucial for many high-tech industries and industries with strict water quality requirements. The entire preparation equipment is usually composed of three parts: pretreatment, desalination and fine treatment.
[0003] Traditional pretreatment equipment gradually exposes many problems when dealing with these strict water quality pretreatment requirements. For the core pretreatment component of the multi-media filter, the replacement operation of the filter element is very complex. The filter work needs to be suspended, and the valve body needs to be controlled to be closed before the replacement operation can be carried out. It is also more troublesome to manually control the opening and closing of the valve body by the staff during the closing process, and the control of the valve body and the suspension of the filter work will also affect the overall pretreatment work efficiency to some extent.
[0004] Therefore, it is necessary to provide a new pretreatment equipment of convenient replacement multi -media filter to solve the above technical problems. UTILITY MODEL CONTENT
[0005] To solve the above technical problems, the utility model provides a pretreatment equipment of convenient replacement multi -media filter.
[0006] The pretreatment equipment of convenient replacement multi -media filter provided by the utility model comprises a main shell, two discharge pipes are arranged on the rear side shell wall of the main shell, a collecting shell is fixedly connected to one end of the two discharge pipes, a rear pipe is arranged on the rear side wall of the collecting shell, two front pipes are arranged on the front side shell wall of the main shell, and valve bodies are installed in the two front pipes; a double-cavity interaction mechanism comprises two treatment cavities, caps are arranged at the two treatment cavities, multi -media filter elements are installed at the lower ends of the two caps, the two multi -media filter elements are respectively inserted into the two treatment cavities, and sealing rings are arranged between the two caps and the two multi -media filter elements.
[0007] Preferably, inner threads are arranged on the upper end inner walls of the two treatment cavities, outer threads are arranged at the lower ends of the two caps, and the two caps are threadedly connected with the two treatment cavities respectively.
[0008] Preferably, a control assembly is arranged between the two front pipes, the control assembly comprises two gears, the valve rods of the two valve bodies are fixedly connected with the two gears respectively, a rack is arranged on one side of each of the two gears, and the two racks are meshed with the two gears respectively.
[0009] Preferably, the shell wall of the main shell is provided with a protruding plate, an electric cylinder is installed and connected on the protruding plate, a back plate is installed and connected at the telescopic end of the electric cylinder, and the two ends of the back plate are respectively fixedly connected to two racks.
[0010] Preferably, both ends of the main housing are equipped with resolution lamps.
[0011] Preferably, the back plate has an opening, a contact strip is installed and connected at the opening, a long plate is fixedly connected to the lower end of the back plate, and contact pieces are respectively installed and connected to both ends of the long plate, with the two contact pieces respectively located at both ends of the contact strip.
[0012] Preferably, a one-way valve is installed and connected to both of the discharge pipes.
[0013] Compared with related technologies, the pretreatment equipment with easily replaceable multi-media filters provided by this utility model has the following advantages:
[0014] 1. This utility model uses an electric cylinder to drive the back plate to move, and precisely controls the alternating opening and closing of the two valve bodies through rack and pinion transmission. It eliminates the need to pause the filtration process and requires no manual operation of the valve bodies, significantly saving manpower and time costs and improving equipment maintenance efficiency. After valve body switching, the filter element in the treatment chamber can be replaced simply by rotating the cap. The operation is simple and direct, reducing the problems of prolonged equipment downtime and increased risk of component damage that could result from traditional complex replacement procedures. This makes the entire multi-media filter replacement process efficient and smooth, ensuring that the pretreatment equipment can operate more stably and continuously on the production line, improving the overall reliability and production cycle of the production system.
[0015] 2. This utility model utilizes a backplate-driven contact strip and contact plate to form an electrical path, controlling the distinguishing light. This allows the valve's opening and closing status to be displayed to operators in real-time and intuitively through the illumination of the distinguishing light. Operators do not need complex judgments or additional testing methods; they can clearly know which multi-media filter element in which processing chamber can be replaced simply by observing the distinguishing light. This effectively avoids erroneous operations on operating processing chambers due to misjudgment, preventing production accidents and equipment failures. Precise indication not only improves the accuracy of filter element replacement operations but also reduces equipment debugging and restart time caused by operational errors, further optimizing equipment operation and management. Attached Figure Description
[0016] Figure 1 A schematic diagram of a preferred embodiment of this utility model;
[0017] Figure 2 for Figure 1 The diagram shows the internal structure of the main shell;
[0018] Figure 3 As Figure 2 The structural schematic view at A is shown.
[0019] The figure label: 1, main shell; 11, discharge pipe; 2, collection shell; 21, rear pipe; 3, front pipe; 31, valve body; 4, cap; 41, multi-medium filter; 42, sealing ring; 5, gear; 51, rack; 6, electric cylinder; 61, back plate; 7, resolution lamp; 71, contact strip; 72, long plate; 73, contact piece; 8, one-way valve. DETAILED DESCRIPTION
[0020] The utility model will be further described below in combination with the drawings and embodiments.
[0021] Please refer to Figures 1 to 3 A pretreatment equipment with replaceable multi-medium filter includes: main shell 1, two discharge pipes 11 are arranged on the rear shell wall of the main shell 1, one end of the two discharge pipes 11 is fixedly connected with the collection shell 2, the rear side wall of the collection shell 2 is provided with the rear pipe 21, two front pipes 3 are arranged on the front shell wall of the main shell 1, and the valve body 31 is arranged in the two front pipes 3; double-cavity interaction mechanism, the double-cavity interaction mechanism includes two treatment cavities, the cap 4 is arranged at the two treatment cavities, the multi-medium filter 41 is arranged at the lower end of the two caps 4, the two multi-medium filters 41 are respectively inserted into the two treatment cavities, and the sealing ring 42 is arranged between the two caps 4 and the two multi-medium filters 41.
[0022] In the specific implementation process, as Figure 1 And Figure 2 The inner thread is arranged on the upper end inner wall of the two treatment cavities, the outer thread is arranged at the lower end of the two caps 4, and the two caps 4 are threadedly connected with the two treatment cavities.
[0023] It should be noted that: rotating the cap 4, so that it is separated from the treatment cavity, that is, the multi-medium filter 41 of the two treatment cavities can be conveniently replaced, and the multi-medium filter 41 can be replaced without stopping;
[0024] The sealing ring 42 is used to complete the sealing treatment between the cap 4 and the treatment cavity.
[0025] As shown in Figure 2 And Figure 3 The control assembly is arranged between the two front pipes 3, the control assembly includes two gears 5, the valve rod of the two valve bodies 31 is fixedly connected with the two gears 5, the rack 51 is arranged on one side of the two gears 5, and the two racks 51 are meshed with the two gears 5.
[0026] It should be noted that: two rack 51 drive and mesh with each other two gear 5 rotation, so that the valve stem of two valve body 31 alternately rotate simultaneously, namely can realize automatic completion of two valve body 31 alternately open and close.
[0027] Reference Figure 2 And Figure 3 As shown in the figure, the shell wall of the main shell 1 is provided with a lug, the lug is installed and connected with the electric cylinder 6, the telescopic end of the electric cylinder 6 is installed and connected with the back plate 61, and the two ends of the back plate 61 are fixedly connected with the two racks 51.
[0028] It should be noted that: start the electric cylinder 6, make its telescopic end drive the back plate 61 to move, drive the two racks 51 to drive the two gears 5 meshing with each other to rotate.
[0029] Reference Figure 3 As shown in the figure, the two ends of the main shell 1 are installed and connected with the identification lamp 7.
[0030] It should be noted that: alternately control two identification lamps 7 to turn on, so as to facilitate the staff to clearly replace the multi-medium filter element 41 in a certain treatment cavity.
[0031] Reference Figure 2 And Figure 3 As shown in the figure, the back plate 61 is provided with an opening, the opening is installed and connected with the contact strip 71, the lower end of the back plate 61 is fixedly connected with the long plate 72, the two ends of the long plate 72 are installed and connected with the contact piece 73, and the two contact pieces 73 are arranged at the two ends of the contact strip 71.
[0032] It should be noted that: the back plate 61 drives the contact strip 71 to move, so that the two ends of the contact strip 71 move alternately and abut against the two contact pieces 73, that is, a complete electric path is formed, and according to the opening and closing of the valve body 31, the two identification lamps 7 can be alternately controlled to turn on, so as to facilitate the staff to confirm.
[0033] Reference Figure 1 And Figure 2 As shown in the figure, the two discharge pipes 11 are installed and connected with the one-way valve 8.
[0034] It should be noted that: the arrangement of the one-way valve 8 makes the water in the collection shell 2 not flow back through the discharge pipe 11.
[0035] The working principle of the pretreatment equipment with replaceable multi-medium filter provided by the utility model is as follows: control the electric cylinder 6 to move the back plate 61 through the telescopic end, drive the two racks 51 to rotate through the two gears 5 meshing with each other, so that the valve stems of the two valve bodies 31 rotate alternately at the same time, that is, automatic completion of the alternately opening and closing of the two valve bodies 31 can be realized, and the cap 4 is rotated to separate from the treatment cavity, that is, the multi-medium filter element 41 in the two treatment cavities can be conveniently replaced.
[0036] The back plate 61 drives the contact strip 71 to move, and the two ends of the contact strip 71 are alternately moved to abut against the contact pieces 73 at the two ends, that is, a complete electric path is formed, and two distinguishing lamps 7 are alternately controlled to be turned on according to the opening and closing of the valve body 31, so that the workers can clearly replace the multi-medium filtering piece 41 in a certain processing cavity.
[0037] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.
Claims
1. A pretreatment device with easily replaceable multi-media filters, characterized in that, include: The main shell (1) has two discharge pipes (11) on its rear side wall. One end of each discharge pipe (11) is fixedly connected to a collection shell (2). The collection shell (2) has a rear pipe (21) on its rear side wall. The main shell (1) has two front pipes (3) on its front side wall. Each of the two front pipes (3) has a valve body (31) installed inside it. The dual-cavity interaction mechanism includes two processing cavities. Each of the two processing cavities is provided with a cap (4). A multi-media filter element (41) is installed and connected to the lower end of each of the two caps (4). The two multi-media filters (41) are respectively inserted into the two processing cavities. A sealing ring (42) is provided between each of the two caps (4) and the two multi-media filters (41). A control assembly is provided between the two pre-pipes (3). The control assembly includes two gears (5). The two gears (5) are fixedly connected to the valve stems of the two valve bodies (31) respectively. A rack (51) is provided on one side of each of the two gears (5). The two racks (51) mesh with the two gears (5) respectively.
2. The pretreatment device with easily replaceable multi-media filter according to claim 1, characterized in that, Both processing cavities have internal threads on their upper inner walls and external threads on their lower ends. The two sealing caps (4) are threadedly connected to the two processing cavities respectively.
3. The pretreatment device with easily replaceable multi-media filter according to claim 1, characterized in that, The main shell (1) has a protruding plate on its shell wall. An electric cylinder (6) is installed on the protruding plate. A back plate (61) is installed at the telescopic end of the electric cylinder (6). The two ends of the back plate (61) are fixedly connected to two racks (51).
4. The pretreatment device with easily replaceable multi-media filter according to claim 3, characterized in that, Both ends of the main shell (1) are equipped with distinguishing lamps (7).
5. The pretreatment device with easily replaceable multi-media filter according to claim 3, characterized in that, The back plate (61) has an opening, and a contact strip (71) is installed and connected at the opening. A long plate (72) is fixedly connected to the lower end of the back plate (61), and contact pieces (73) are respectively installed and connected to both ends of the long plate (72). The two contact pieces (73) are respectively located at both ends of the contact strip (71).
6. The pretreatment device with easily replaceable multi-media filter according to claim 1, characterized in that, One-way valves (8) are installed in both of the discharge pipes (11).