Cloth bag type wax filter
By setting up a bypass system in the wax liquid filter, the safety hazard problem when the wax liquid filter barrel is blocked is solved, and the normal output of the wax liquid and the safe operation of the system are achieved.
Patent Information
- Application Number
- CN202422962736.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-02
AI Technical Summary
In the existing wax model production process, the wax liquid filter barrel cannot be bypassed when it is blocked, resulting in increased pressure and posing a safety hazard.
A bag-type wax filter is designed with a bypass system, including a wax liquid inlet pipe, an outlet pipe, a bypass wax drain pipe and a collecting pipe. Bypass is achieved through a three-way valve to avoid excessive pressure.
When the filter barrel is clogged, the bypass system can output the wax liquid normally, avoiding excessive pressure and ensuring the safe operation of the filtration system.
Smart Images
Figure CN223439292U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wax mould dewaxing filter technical field, especially in kind of cloth bag formula wax filter. BACKGROUND
[0002] In the existing wax mould production process, the wax liquid carrying impurities is discharged from the dewaxing kettle to the outside after dewaxing, and this part of the wax liquid needs to be filtered and recycled.
[0003] Based on the above, in the prior art, the wax liquid is filtered by being drawn into a filter barrel and then discharged from the output end of the filter barrel. The technical problem of this filtering structure is that the filter barrel does not have a bypass system, and when the filter barrel is blocked, the wax liquid discharged from the dewaxing kettle cannot continue to flow, which can easily lead to a rise in pressure and pose a safety hazard, and needs to be further improved. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving one of the technical problems in the prior art. To this end, the utility model provides a cloth bag formula wax filter provided with a bypass system to improve safety.
[0005] A cloth bag formula wax filter designed for this purpose comprises a filter barrel provided with a wax liquid input pipe and a wax liquid output pipe, the wax liquid input pipe is connected with a bypass wax discharge pipe, the bypass wax discharge pipe is provided with a first valve, the wax liquid output pipe is connected with a collecting pipe, the bypass wax discharge pipe and the collecting pipe are in communication with each other, the output end of the collecting pipe is provided with a first three-way valve, and the first three-way valve is provided with a first output end and a second output end.
[0006] As a preferred, it further comprises a three-way pipe fitting, the first end of the three-way pipe fitting is connected with the wax liquid input pipe, the second end of the three-way pipe fitting is connected with the bypass wax discharge pipe, and the third end of the three-way pipe fitting is connected with a second three-way valve.
[0007] As a preferred, the filter barrel comprises an outer barrel, an inner barrel is arranged in the outer barrel, a filter cloth bag is arranged in the inner barrel, the wax liquid input pipe and the upper part of the inner barrel are in communication with each other, the wax liquid output pipe and the lower part of the inner barrel are in communication with each other, and a heat preservation layer is arranged between the outer barrel and the inner barrel.
[0008] As a preferred, a heating coil is arranged between the outer barrel and the heat preservation layer.
[0009] As a preferred, the inner barrel is provided with an opening on the upper side, a mounting frame is fixedly arranged on the upper side of the outer barrel, a screw rod is threadedly connected with the mounting frame, a cover plate is arranged at the lower end of the screw rod and covers and seals the upper surface of the inner barrel, and a rotating handle is arranged at the upper end of the screw rod.
[0010] As preferred, the first port of the second three-way valve is a wax inlet port; the second port of the second three-way valve is connected with the third end of the three-way pipe; and the third port of the second three-way valve is an exhaust port.
[0011] Compared with the prior art, the filter barrel is provided with a wax liquid input pipe and a wax liquid output pipe, the wax liquid input pipe is connected with a bypass wax discharge pipe, the bypass wax discharge pipe is provided with a first valve, the wax liquid output pipe is connected with a collecting pipe, the bypass wax discharge pipe and the collecting pipe are in communication with each other, and the output end of the collecting pipe is provided with a first three-way valve, and the first three-way valve is provided with a first output end and a second output end. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a schematic view of a three-dimensional structure of the filter;
[0013] Figure 2 It is a schematic view of a sectional structure of the filter;
[0014] Figure 3 It is a schematic view of a three-dimensional structure of the filter. DETAILED DESCRIPTION
[0015] The utility model will be further described in connection with the drawings and examples.
[0016] Referring to Figures 1-3 A bag type wax filter, comprising a filter barrel 10, the filter barrel 10 is provided with wax liquid input pipe 101 and wax liquid output pipe 102, the wax liquid input pipe 101 is connected with bypass wax discharge pipe 20, the bypass wax discharge pipe 20 is installed with first valve 50, the wax liquid output pipe 102 is connected with collecting pipe 160, the bypass wax discharge pipe 20 with the collecting pipe 160 intercommunication, the output end of the collecting pipe 160 is provided with first three-way valve 30, and the first three-way valve 30 is provided with first output end 310 and second output end 320.
[0017] The bypass wax discharge pipe provided by the utility model realizes the function that when the filter barrel is blocked by impurities, opening the first valve can make the wax liquid output to the collecting pipe through the bypass wax discharge pipe, and finally output from the second output end of the three-way valve, so that the normal operation of the whole filter system is ensured, and the safety hazard caused by excessively high pressure is avoided.
[0018] The utility model discloses a filter barrel 10, first three -way valve 30, second three -way valve 40 and first valve 50 are arranged in the filter barrel 10, and the filter barrel 10 is connected with wax liquid input pipe 101 and wax liquid output pipe 102.
[0019] When cleaning the blockage, the first three-way valve 30 is switched to an open state, the first output end 310 is closed, the second output end 320 is opened, and the first valve 50 is also opened, so that the wax liquid can be output to the outside from the second output end 320 through the bypass wax discharge pipe 20 and the collecting pipe 160.
[0020] Referring to Figure 2 Further, the first end of the three-way pipe fitting 70 is connected with the wax liquid input pipe 101, the second end of the three-way pipe fitting 70 is connected with the bypass wax discharge pipe 20, and the third end of the three-way pipe fitting 70 is connected with the second three-way valve 40.
[0021] Further, the first port 410 of the second three-way valve 40 is a wax inlet, the second port 420 of the second three-way valve 40 is connected with the third end of the three-way pipe fitting 70, and the third port 430 of the second three-way valve 40 is an exhaust port.
[0022] In a normal state, the first port 410 and the second port 420 are in communication with each other, so that the wax liquid is input into the filter barrel 10 from the first port, the second port 420, the three-way pipe fitting 70 and the wax liquid input pipe 101.
[0023] When the filter barrel 10 is blocked, the communication state of the second three-way valve 40 is switched, so that the second port 420 and the third port 430 are in communication with each other, and at this time, the gas in the filter barrel 10 can be discharged to the outside through the third port 430, so as to avoid the safety hazard caused by excessive pressure.
[0024] Further, the third port 430 is provided with a ball valve, and the ball valve can further strengthen the control of the opening and closing of the third port 430.
[0025] Referring to Figure 2 Further, the filter barrel 10 comprises an outer barrel 100, an inner barrel 110 is arranged in the outer barrel 100, a filter cloth bag 120 is arranged in the inner barrel 110, the wax liquid input pipe 101 and the upper part of the inner barrel 110 are in communication with each other, the wax liquid output pipe 102 and the lower part of the inner barrel 110 are in communication with each other, and a heat preservation layer 140 is arranged between the outer barrel 100 and the inner barrel 110. The heat preservation layer 140 can reduce heat loss, so as to avoid the solidification of the wax liquid caused by temperature drop.
[0026] Referring to Figure 2The heating coil 130 is arranged between the outer barrel 100 and the heat preservation layer 140, and the function of the heating coil 130 is to heat the inner barrel 110, so as to avoid the problem of solidification of the wax liquid in the filtering process.
[0027] Referring to Figure 2 and Figure 3 The inner barrel 110 is provided with an upper opening, and the mounting rack 620 is fixedly arranged on the upper side of the outer barrel 100, the screw rod 630 is threadedly connected to the mounting rack 620, the lower end of the screw rod 630 is provided with the cover plate 610 which is in sealing contact with the upper surface of the inner barrel 110, and the upper end of the screw rod 630 is provided with the rotating handle 640.
[0028] In the utility model, the filter cloth bag 120 is sleeved on the filter cloth bag rack, and then the filter cloth bag rack with the filter cloth bag is inserted and assembled in the inner barrel 110.
[0029] In the description of the utility model, it should be understood that the directions or position relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular direction, a particular direction and operation, and therefore cannot be understood as limiting the utility model, and the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.
[0030] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only for the purpose of illustrating the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A bag-type wax filter, comprising a filter barrel (10), wherein the filter barrel (10) is provided with a wax liquid inlet pipe (101) and a wax liquid outlet pipe (102), characterized in that: The wax liquid input pipe (101) is connected to a bypass wax discharge pipe (20), and the bypass wax discharge pipe (20) is installed with a first valve (50). The wax liquid output pipe (102) is connected to a collecting pipe (160), and the bypass wax discharge pipe (20) and the collecting pipe (160) are in communication with each other. The output end of the collecting pipe (160) is provided with a first three-way valve (30), and the first three-way valve (30) is provided with a first output end (310) and a second output end (320).
2. A cloth bag type wax filter according to claim 1, characterized in that: It also includes a three-way pipe fitting (70), wherein a first end of the three-way pipe fitting (70) is connected to the wax liquid input pipe (101), a second end of the three-way pipe fitting (70) is connected to the bypass wax drain pipe (20), and a third end of the three-way pipe fitting (70) is connected to a second three-way valve (40).
3. The bag-type wax filter according to claim 1, characterized in that: The filter barrel (10) comprises an outer barrel (100), an inner barrel (110) is arranged in the outer barrel (100), a filter cloth bag (120) is arranged in the inner barrel (110), the wax liquid input pipe (101) is communicated with the upper part of the inner barrel (110), the wax liquid output pipe (102) is communicated with the lower part of the inner barrel (110), and an insulation layer (140) is arranged between the outer barrel (100) and the inner barrel (110).
4. A cloth bag type wax filter according to claim 3, characterized in that: A heating coil (130) is provided between the outer barrel (100) and the heat-insulating layer (140).
5. The bag-type wax filter according to claim 3, characterized in that: The upper side of the inner barrel (110) is opened, and a mounting frame (620) is fixedly arranged on the upper side of the outer barrel (100). The mounting frame (620) is threadedly connected to a screw rod (630). The lower end of the screw rod (630) is provided with a cover plate (610) that is sealed with the upper surface of the inner barrel (110), and the upper end of the screw rod (630) is provided with a rotating handle (640).
6. The bag-type wax filter according to claim 2, characterized in that: The first port (410) of the second three-way valve (40) is a wax inlet; The second port (420) of the second three-way valve (40) is connected to the third end of the three-way pipe (70); The third port (430) of the second three-way valve (40) is an exhaust port.