CN114241872A - Filter system demonstration teaching aid - Google Patents
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- CN114241872A CN114241872A CN202111450325.6A CN202111450325A CN114241872A CN 114241872 A CN114241872 A CN 114241872A CN 202111450325 A CN202111450325 A CN 202111450325A CN 114241872 A CN114241872 A CN 114241872A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/24—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for chemistry
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Abstract
The invention discloses a filtering system demonstration teaching aid, belonging to teaching aids, wherein the side wall of a main body is made of transparent materials, a pressing plate is movably arranged in a shell, a clapboard is fixed in the shell, a fiber filtering cotton layer is positioned on the clapboard, a first observation water layer is formed between the clapboard and the pressing plate, a one-way valve is arranged on the clapboard, a second observation water layer is formed between an active carbon filtering layer and the clapboard, a third observation water layer is formed between the active carbon filtering layer and an ultrafiltration membrane filtering layer, a fourth observation water layer is formed between the membrane filtering layer and the bottom of the shell, the first observation water layer, the second observation water layer, the third observation water layer and the fourth observation water layer are positioned in the side wall, by the design, the water filtering degrees of each observation water layer are different, the cleanliness is different, the appearance of sewage in different filtering stages can be obviously observed through the transparent main body, so that students can deeply know the sewage filtering and purifying process, and the filter is started by pressing down the pressing plate, so that the participation is strong, and the interest of students can be aroused.
Description
Technical Field
The invention relates to a teaching aid, in particular to a filtering system demonstration teaching aid.
Background
In the teaching of middle and primary schools, relate to more and filter the relevant knowledge for the water purification with liquid, at present because lack dedicated filtration teaching aid, at the teaching in-process, mostly still stop and give lessons in the theory, do not have supporting experimental facilities, the student does not have the in-person practice, does not have the relatively audio-visual realization to filtering water purification principle and effect, has certain influence to its learning effect.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a filtering system demonstration teaching aid capable of being directly observed and practiced in person, so that students can conveniently know the process of filtering liquid into purified water, and the teaching quality is improved.
One of the purposes of the invention is realized by adopting the following technical scheme:
a filtering system demonstration teaching aid comprises a shell, wherein the shell is provided with a water inlet and a water outlet, the shell comprises a main body, the side wall of the main body is made of a transparent material, the filtering system demonstration teaching aid further comprises an operation structure, a fiber filtering cotton layer, a partition plate, a one-way valve, an activated carbon filter layer and an ultrafiltration membrane filter layer, the operation structure comprises a pressing plate, the pressing plate is movably installed inside the shell, the partition plate is fixed inside the shell, the fiber filtering cotton layer is located on the partition plate, a first observation water layer is formed between the partition plate and the pressing plate, the one-way valve is installed on the partition plate, the activated carbon filter layer and the ultrafiltration membrane filter layer are respectively installed inside the shell, a second observation water layer is formed between the activated carbon filter layer and the partition plate, a third observation water layer is formed between the ultrafiltration membrane filter layer and the ultrafiltration membrane filter layer, the membrane filter layer with form the fourth between the bottom of casing and observe the water layer, first observe the water layer the second observe the water layer the third observe the water layer and the fourth observe the water layer and be located inside the main part, the clamp plate pushes down the messenger the check valve pressurized is opened, the water of first observation water layer passes through the check valve flows extremely the second observes the water layer the third observes the water layer and the fourth observes the water layer and filters.
Further, the casing is equipped with the water inlet, the water inlet is located the first water layer of observing, the casing still includes the inlet tube, the inlet tube with the water inlet intercommunication.
Further, the filtering system demonstration teaching aid further comprises a filtering plate, wherein the filtering plate is provided with filtering holes, and the filtering plate is fixed in the shell and is located inside the pressing plate and between the clapboards.
Furthermore, the operation structure further comprises an operation assembly, and the operation assembly extends into the shell and is matched with the pressing plate to drive the pressing plate to move.
Furthermore, the operation assembly comprises a connecting rod and a handle, one end of the connecting rod is fixed with the pressing plate, the other end of the connecting rod is fixed with the handle, and the handle drives the pressing plate to move through the connecting rod.
Furthermore, the operation assembly comprises a connecting rod and a handle, the connecting rod is rotatably installed on the shell, one end of the connecting rod is matched with the pressing plate, and the other end of the connecting rod is fixed with the handle.
Furthermore, the check valve comprises a valve body, a valve core, a valve seat and an elastic piece, the valve body is arranged on the valve seat, the valve body is provided with a water inlet and a water outlet, the valve core is movably arranged on the valve body, and two ends of the elastic piece are respectively abutted against the valve core and the valve seat.
Further, the elastic member is a spring.
Further, the extending direction of the water inlet is perpendicular to the extending direction of the water outlet.
Further, the moving direction of the valve element is the same as the extending direction of the water inlet.
Compared with the prior art, the first observation water layer is formed between the partition plate and the pressure plate of the filtering system demonstration teaching aid, the one-way valve is installed on the partition plate, the activated carbon filtering layer and the ultrafiltration membrane filtering layer are respectively installed inside the shell, the second observation water layer is formed between the activated carbon filtering layer and the partition plate, the third observation water layer is formed between the activated carbon filtering layer and the ultrafiltration membrane filtering layer, the fourth observation water layer is formed between the membrane filtering layer and the bottom of the shell, the first observation water layer, the second observation water layer, the third observation water layer and the fourth observation water layer are positioned inside the side wall, the pressure of the pressure plate enables the one-way valve to be pressed open, water of the first observation water layer flows to the second observation water layer, the third observation water layer and the fourth observation water layer through the one-way valve and is filtered, through the design, four observation water layers are formed in the filtering process, and the water of each observation water layer is different in filtering degree, therefore, the cleanliness is different, the appearance of sewage in different filtration stages can be obviously observed through the transparent main body, and the sewage is just filtered by pressing down the operation pressing plate, so that the participation is strong, and the interest of students can be excited.
Drawings
FIG. 1 is a perspective view of a filter system demonstration teaching aid of the present invention;
FIG. 2 is a cross-sectional view of the filter system demonstration aid of FIG. 1;
fig. 3 is a schematic structural view of the check valve of fig. 2. .
In the figure: 10. a housing; 11. a main body; 110. a top cover; 111. a side wall; 112. a bottom; 113. a water inlet; 114. a water outlet; 12. supporting legs; 13. a water inlet pipe; 14. a water outlet pipe; 20. an operating structure; 21. pressing a plate; 22. a seal ring; 23. an operating component; 230. a connecting rod; 231. a handle; 30. a filter plate; 31. a filtration pore; 40. a fibrous filter cotton layer; 50. a partition plate; 60. a one-way valve; 61. a valve body; 610. a water inlet; 611. a water outlet; 62. a valve seat; 63. a valve core; 64. an elastic member; 70. an activated carbon filter layer; 80. and (3) an ultrafiltration membrane filtering layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Fig. 1 to 3 show a filtering system demonstration teaching aid of the present invention, which includes a housing 10, an operation structure 20, a filter plate 30, a fiber filter cotton layer 40, a partition plate 50, a check valve 60, an activated carbon filter layer 70, and an ultrafiltration membrane filter layer 80.
The housing 10 includes a main body 11, support legs 12, an inlet pipe 13, and an outlet pipe 14. The body 11 includes a top cover 110, a sidewall 111, and a bottom 112. The top cover 110 and the bottom 112 are fixed to both ends of the sidewall 111, respectively. The side wall 111 is made of a transparent material. The main body 11 is further provided with a water inlet 113 and a water outlet 114, and the water inlet 113 is arranged at the position, close to the top, of the main body 11. Specifically, in this embodiment, the water inlet 113 is disposed on the upper portion of the sidewall 111, and by such arrangement, the sewage entering from the water inlet 113 is located below the pressing plate 21, and the pressing plate 21 can press the sewage, so that the pressure of the sewage is increased. The water outlet 114 is located at the bottom end of the main body 11. Specifically, in the present embodiment, the water outlet 114 is located at the lowest position of the bottom 112.
The number of the support legs 12 is three, and three support legs 12 are fixed to the outer surface of the base 112. The three support legs 12 define a space therebetween in which the water outlet 114 is located. The inlet pipe 13 is fixed to the main body 11 and communicates with the inlet port 113. The outlet pipe 14 is fixed to the main body 11 and communicates with the outlet port 114.
The operating structure 20 includes a pressure plate 21, a sealing ring 22, and an operating assembly 23. The pressing plate 21 is installed inside the main body 11 and can move up and down with respect to the main body 11. The sealing ring 22 is sleeved on the pressure plate 21 and located between the pressure plate 21 and the main body 11 to play a role of sealing, so that the pressure plate 21 plays a role of a piston. The operating assembly 23 includes a connecting rod 230 and a handle 231. In one embodiment, one end of the connecting rod 230 is fixed to the pressing plate 21, and the other end is fixed to the handle 231, and the handle 231 drives the pressing plate 21 to press down through the connecting rod 230. In another embodiment, the connecting rod 230 is rotatably mounted to the main body 11, and one end of the connecting rod 230 is engaged with the pressing plate 21 and the other end is fixed to the handle 231. The handle 231 rotates the connecting rod 230 and moves up and down relative to the main body 11. The connecting rod 230 brings the pressing plate 21 to press down. In other embodiments, the handle 231 may be modified to be a motor, an air cylinder, or other driving device, so that the pressing plate 21 can be automatically pressed down under operation.
The filter plate 30 is fixed to the side wall 111 of the main body 11. The filter plate 30 is provided with a plurality of filter holes 31, and the filter holes 31 can primarily filter the sewage.
The partition 50 is fixed to the side wall 111 of the body 11. The fibrous filter batt layer 40 is disposed on the separator 50. A first viewing water layer is formed between the partition 50 and the press plate 21. The four walls of the first observation water layer are transparent side walls 111, so that students can conveniently observe the water layer.
The check valve 60 is fixedly installed on the partition 50. The check valve 60 includes a valve body 61, a valve seat 62, a valve core 63, and an elastic member 64. The valve body 61 is provided with a water inlet 610 and a water outlet 611. The axis of the water inlet 610 is perpendicular to the axis of the water discharge port 611. The valve core 63 is movably installed in the valve body 61. The valve member 63 moves in the same direction as the axial direction of the water inlet 610. The valve seat 62 is fixed to the valve body 61. The elastic member 64 is installed between the valve seat 62 and the valve body 63. In the present embodiment, the elastic member 64 is a spring. When the pressure of the water inlet 610 is greater than the elastic force of the elastic member 64, the valve member 63 moves, the water inlet 610 communicates with the drain port 611, and the check valve 60 opens. When the pressure of the water inlet 610 is smaller than the elastic force of the elastic member 64, the valve member 63 is positioned between the water inlet 610 and the drain port 611, the water inlet 610 and the drain port 611 are disconnected, and the check valve 60 is closed. The water inlet 610 is located below the fibrous filter batt layer 40 and communicates with the first viewing water layer.
Activated carbon filter layer 70 is installed in main part 11, forms the second between activated carbon filter layer 70 and the baffle 50 and observes the water layer, and the water layer wall is transparent lateral wall 111 for the second is observed, and the student of being convenient for observes.
The ultrafiltration membrane filter layer 80 is arranged in the main body 11, a third observation water layer is formed between the ultrafiltration membrane filter layer 80 and the activated carbon filter layer 70, and the four walls of the third observation water layer are transparent side walls 111, so that students can conveniently observe the third observation water layer.
A fourth observation water layer is formed between the ultrafiltration membrane filtering layer 80 and the bottom 112, and the four walls of the fourth observation water layer are partially or completely transparent side walls 111, so that students can conveniently observe the water layer.
When using filtration system demonstration teaching aid, inlet tube 13 introduces sewage in to main part 11, sewage is through the preliminary screening of filter 30, it makes clamp plate 21 push down to rotate or promote handle 231, the clamp plate 21 pushes down the water pressure that makes first observation water layer and increases, when water pressure is greater than the cracking pressure of check valve 60, water through the preliminary filtration of fibre filtration cotton layer 40 gets into the second through check valve 60 and observes the water layer, the water of second observation water layer gets into the third after activated carbon filter layer 70 filters and observes the water layer, the water of third observation water layer gets into the fourth after ultrafiltration membrane filter layer 80 filters and observes the water layer, then discharge from outlet pipe 14.
Through the design, the filtering system demonstration teaching aid forms four observation water layers in the filtering process, the water in each observation water layer has different cleanliness due to different filtering degrees, the appearance of the sewage in different filtering stages can be obviously observed through the transparent side wall 111, students can conveniently know the process of filtering liquid into purified water, and the teaching quality is improved; and the filtering is started only by pressing down the pressing plate 21, so that the participation interest is strong, and the interest of students can be aroused.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the spirit of the invention, and all equivalent modifications and changes can be made to the above embodiments according to the essential technology of the invention, which falls into the protection scope of the invention.
Claims (10)
1. The utility model provides a filtration system demonstration teaching aid, includes the casing, the casing is equipped with water inlet and delivery port, the casing includes the main part, its characterized in that: the lateral wall of main part is made by transparent material, filtration system demonstration teaching aid still includes operation structure, fibrous filtration cotton layer, baffle, check valve, active carbon filter layer and milipore filter layer, operation structure includes the clamp plate, clamp plate movable mounting in inside the casing, the baffle is fixed in inside the casing, fibrous filtration cotton layer is located on the baffle, the baffle with form the first water layer of observing between the clamp plate, the check valve install in the baffle, active carbon filter layer and milipore filter layer install respectively in inside the casing, active carbon filter layer with form the second between the baffle and observe the water layer, active carbon filter layer and form the third between the milipore filter layer and observe the water layer, form the fourth between the membrane filter layer and the bottom of casing and observe the water layer, the first water layer of observing, the second observes the water layer, the third observes the water layer and the fourth observes the water layer and is located inside the lateral wall, the clamp plate pushes down and makes the check valve pressurized is opened, the water of first observation water layer passes through the check valve flows to the second observes the water layer, the third observes the water layer and the fourth observes the water layer and filters.
2. A filtration system demonstration teaching aid according to claim 1 wherein: the casing is equipped with the water inlet, the water inlet is located first observation water layer, the casing still includes the inlet tube, the inlet tube with the water inlet intercommunication.
3. A filtration system demonstration teaching aid according to claim 1 wherein: the filtering system demonstration teaching aid further comprises a filtering plate, wherein the filtering plate is provided with filtering holes, and the filtering plate is fixed in the shell and located between the pressing plate and the partition plate.
4. A filtration system demonstration teaching aid according to claim 1 wherein: the operating structure further comprises an operating component, and the operating component extends into the shell and is matched with the pressing plate to drive the pressing plate to move.
5. A filter system demonstration teaching aid according to claim 4 wherein: the operation assembly comprises a connecting rod and a handle, one end of the connecting rod is fixed with the pressing plate, the other end of the connecting rod is fixed with the handle, and the handle drives the pressing plate to move through the connecting rod.
6. A filter system demonstration teaching aid according to claim 4 wherein: the operating assembly comprises a connecting rod and a handle, the connecting rod is rotatably installed on the shell, one end of the connecting rod is matched with the pressing plate, and the other end of the connecting rod is fixed with the handle.
7. A filtration system demonstration teaching aid according to claim 1 wherein: the check valve comprises a valve body, a valve core, a valve seat and an elastic piece, wherein the valve body is arranged on the valve seat, the valve body is provided with a water inlet and a water outlet, the valve core is movably arranged on the valve body, and two ends of the elastic piece are respectively abutted against the valve core and the valve seat.
8. A filtration system demonstration teaching aid according to claim 7 wherein: the elastic piece is a spring.
9. A filtration system demonstration teaching aid according to claim 7 wherein: the extending direction of the water inlet is perpendicular to the extending direction of the water outlet.
10. A filtration system demonstration teaching aid according to claim 9 wherein: the moving direction of the valve element is the same as the extending direction of the water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450325.6A CN114241872A (en) | 2021-11-30 | 2021-11-30 | Filter system demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450325.6A CN114241872A (en) | 2021-11-30 | 2021-11-30 | Filter system demonstration teaching aid |
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| Publication Number | Publication Date |
|---|---|
| CN114241872A true CN114241872A (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111450325.6A Pending CN114241872A (en) | 2021-11-30 | 2021-11-30 | Filter system demonstration teaching aid |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003015520A (en) * | 2001-06-27 | 2003-01-17 | Ngk Insulators Ltd | Sewage treatment model |
| CN101857314A (en) * | 2009-04-08 | 2010-10-13 | 江西金达莱环保研发中心有限公司 | Unpowered portable drinking water purifier |
| CN207774935U (en) * | 2017-12-26 | 2018-08-28 | 广东恒田过滤设备有限公司 | A kind of multi-stage sewage filter device |
| CN109000005A (en) * | 2018-09-12 | 2018-12-14 | 苏州丹顿机电有限公司 | A kind of adjustable check valve of cracking pressure |
| CN109133271A (en) * | 2018-08-01 | 2019-01-04 | 清华大学 | Portable electric filtering emergency water purifier |
| CN109949679A (en) * | 2017-12-20 | 2019-06-28 | 张念现 | Water purification filter demonstration teaching aid |
| CN212933948U (en) * | 2020-08-24 | 2021-04-09 | 重庆水利电力职业技术学院 | Water conservancy test stand |
-
2021
- 2021-11-30 CN CN202111450325.6A patent/CN114241872A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003015520A (en) * | 2001-06-27 | 2003-01-17 | Ngk Insulators Ltd | Sewage treatment model |
| CN101857314A (en) * | 2009-04-08 | 2010-10-13 | 江西金达莱环保研发中心有限公司 | Unpowered portable drinking water purifier |
| CN109949679A (en) * | 2017-12-20 | 2019-06-28 | 张念现 | Water purification filter demonstration teaching aid |
| CN207774935U (en) * | 2017-12-26 | 2018-08-28 | 广东恒田过滤设备有限公司 | A kind of multi-stage sewage filter device |
| CN109133271A (en) * | 2018-08-01 | 2019-01-04 | 清华大学 | Portable electric filtering emergency water purifier |
| CN109000005A (en) * | 2018-09-12 | 2018-12-14 | 苏州丹顿机电有限公司 | A kind of adjustable check valve of cracking pressure |
| CN212933948U (en) * | 2020-08-24 | 2021-04-09 | 重庆水利电力职业技术学院 | Water conservancy test stand |
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