CN213834640U

CN213834640U - Ceramic life straw

Info

Publication number: CN213834640U
Application number: CN202022047273.5U
Authority: CN
Inventors: 陈锋; 蒋惠忠; 陈文松
Original assignee: Zhejiang Tianxingjian Water Co ltd
Current assignee: Zhejiang Tianxingjian Water Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-30
Anticipated expiration: 2030-09-17

Abstract

The application provides a ceramic life straw, which belongs to the technical field of multi-stage treatment of water, sewage or wastewater containing a chemical treatment process. The filter tube comprises a tube wall and a tube cavity for accommodating a filtered water source, wherein the tube cavity is of an upper opening and bottom closed structure, the tube wall is provided with membrane pores, the pore size of the membrane pores is 0.8nm-20 mu m, and the pore size of the membrane pores is gradually reduced from inside to outside. Be applied to the water purification source with this application, have easily to carry, preserve and wash, can use for a long time, can filter advantages such as pathogenic sources such as bacterium.

Description

Ceramic life straw

Technical Field

The application relates to a ceramic life straw, which belongs to the technical field of multi-stage treatment of water, sewage or wastewater containing a chemical treatment process.

Background

Water is a source of life, and a person can last for weeks if only drinking water and not eating water, and only for days if only eating water and not eating water. When drinking water is frequently encountered in field work or life, for example, when a team fights and exercises, when natural disasters such as flood, earthquake and the like occur, and during geological exploration and exploration travel, a drinkable water source reaching the standard generally does not exist, so that the problem of influencing the body health or even endangering the survival can be caused.

The life suction pipe (Life) can purify sewage into drinking water, the main body of the life suction pipe is a plastic pipe which is about 16 cm long, 31 mm in diameter, different in length and diameter, and a filtering material and a filter element are arranged in the life suction pipe, and the life suction pipe can filter most parasites and bacteria in the sewage in a combined mode of filtering different filtering materials such as PP cotton, activated carbon, ion exchange resin, ultrafiltration membrane iodine resin and the like, so that diseases caused by drinking water can be prevented. However, such straws have a limited service life, can cause clogging after a certain period of use, and cannot be cleaned. The ultrafiltration membrane is usually an organic ultrafiltration membrane and must be stored in special protective solution to ensure the performance of the filtration membrane.

SUMMERY OF THE UTILITY MODEL

In view of this, the application provides a ceramic life straw, can directly form power through the oral cavity inspiration to introduce the ceramic pipe wall, not only strong acid and alkali resistance, high temperature resistance, long service life, stable operation, simple maintenance, still can dry-type save, can wash, the performance resumes easily, and whole small and exquisite is easily carried, is preserved and is washd, can use for a long time, can filter pathogenic factors such as bacterium.

Specifically, the method is realized through the following scheme:

the ceramic life suction tube comprises a tube wall and a tube cavity for accommodating a filtered water source, wherein the tube cavity is of a structure with an upper opening and a bottom closed structure, the tube wall is provided with membrane pores, the pore size of the membrane pores is 0.8nm-20 mu m, and the pore size of the membrane pores is gradually reduced from inside to outside.

When being used for the water intaking with this application, the blind end immerses the aquatic, and the open end is for straining the absorption end at clean water source, and the water of micromolecule passes through the pipe wall under the suction effect, and solid impurity and bacterium virus volume are greater than the membrane hole, can not get into the lumen through the membrane hole, therefore the intraductal drinking water that is safe can regard as straight drinking water to use. The utility model provides a life straw, portable and save, and the service life is long, can filtering pathogenic factors such as bacterium, the operation is stable, maintains simply, but dry-type save can wash, and the performance recovery is easy, and it is high to produce the water rate, is a small-size portable water purifier that can satisfy outdoor use.

Further, as preferable:

the ceramic membrane tube is of a circular tube structure. The portable electric tool is convenient to carry and place, occupies small space and is convenient to hold.

An end cover is installed at the opening of the tube cavity, threads are arranged on the tube wall close to one end of the opening of the tube cavity, threads are also arranged at the position, corresponding to the tube wall, of the end cover, and a telescopic tube and a sealing ring are installed on the end cover. The end cover is provided with inner side threads, the outer side of the pipe wall is provided with external threads, and the inner side threads of the end cover are meshed with the external threads of the pipe wall. Stretchable extension tubes and end covers are connected into a whole through sealing rings. When in storage, the end cover is rotated, and can be fixed at the opening of the tube cavity by means of thread engagement. The end cover is a wading-grade stainless steel or plastic cover body.

The pipe wall adopts a three-layer structure, wherein the innermost layer is a thicker carrier layer, the middle layer is a transition layer, the outer layer is a separation layer, the pore diameter of the carrier layer is generally 1-20 mu m, the porosity is 30% -65%, and the function of the carrier layer is to increase the mechanical strength of the membrane; the transition layer has a pore size smaller than that of the support layer, and has a thickness of about 20-60 μm and a porosity of 30-40% for preventing penetration of particles into the porous support layer during preparation of the separation layer; the separating layer has separating function, pore size of 0.8nm-1 μm, thickness of 3-10 μm, and porosity of 40-55%. The pore size distribution of the whole ceramic membrane tube is gradually reduced from the carrier layer to the separation layer to form asymmetric structure distribution, and substances which are larger than the pore size and comprise most of bacteria and viruses can be filtered.

Above-mentioned life straw is when being used for the water intaking, with the lower part at life straw blind end place of this application immerses the aquatic, to having the flexible pipe of pulling out of telescopic tube structure, under the inspiratory suction effect of oral cavity, the separation layer of pipe wall is passed through to the water of small molecule, transition layer and carrier layer, get into the lumen, and solid impurity and bacterium virus volume are greater than the membrane pore, can not pass through the separation layer, but the intracavity obtains safe drinking water, the device easily carries, preserve and wash, can use for a long time, can filtering pathogenetic source such as bacterium.

Drawings

FIG. 1 is a schematic cross-sectional view of the present application;

FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a cross-sectional view of the structure of the tube wall of the present application;

fig. 4 is a schematic cross-sectional structure of another structure of the present application.

Reference numbers in the figures: 1. a lumen; 11. an opening; 2. a tube wall; 21. a separation layer; 22. a transition layer; 23. a carrier layer; 24. a thread; 3. an end cap; 4. a telescopic pipe; 5. and (5) sealing rings.

Detailed Description

The ceramic life suction tube of the embodiment, with reference to fig. 1 and fig. 2, includes a tube cavity 1 and a tube wall 2, wherein the tube cavity 1 has a structure with an opening 11 at the upper end and a closed lower end, a membrane hole is arranged on the tube wall 2, the pore size of the membrane hole is 0.8nm-20 μm, and the pore size of the membrane hole is gradually reduced from inside to outside (the direction from the tube cavity to the tube wall is called from inside to outside).

When being used for the water intaking with this application, the blind end immerses the aquatic, and opening 11 is for straining the absorption end at clean water source, and the water of small molecule passes through pipe wall 2 under the suction effect, and solid impurity and bacterium virus volume are greater than the membrane pore, can not get into lumen 1 through the membrane pore, therefore can drink water for safety in the lumen 1, can regard as straight drink water to use.

The utility model provides a life straw, portable and save, and the service life is long, can filtering pathogenic factors such as bacterium, the operation is stable, maintains simply, but dry-type save can wash, and the performance recovery is easy, and it is high to produce the water rate, is a small-size portable water purifier that can satisfy outdoor use.

As an alternative: the tube cavity 1 and the tube wall 2 are both of circular tube structures.

In the scheme, the method comprises the following steps:

referring to fig. 3, the tube wall 2 preferably has a three-layer structure, wherein the innermost layer is a thicker support layer 23, the middle layer is a transition layer 22, the outer layer is a separation layer 21, the pore diameter of the support layer 23 is generally 1-20 μm, and the porosity is 30% -65%, which is used for increasing the mechanical strength of the membrane; the transition layer 22 has a pore size smaller than that of the support layer 23, and functions to prevent the particles from penetrating into the porous support layer 23 during the preparation of the separation layer 21, and has a thickness of about 20 to 60 μm and a porosity of 30 to 40%; the separation layer 21 has a separation function, the pore diameter is different from 0.8nm to 1 μm, the thickness is about 3 to 10 μm, and the porosity is 40 to 55 percent. The pore size distribution of the whole ceramic membrane tube 3 is gradually reduced from the carrier layer 23 to the separation layer 21 to form asymmetric structure distribution, and substances larger than the pore size, including most of bacteria and viruses, can be filtered.

As an alternative: referring to fig. 4, a thread 24 is provided at one end of the tube wall 2 close to the opening 11, an extension tube 4 and a sealing ring 5 are installed at one end of the end cover 3 facing the opening 11, and the extension tube 4 is matched with the sealing ring 5 and can be inserted into the opening 11 of the tube cavity 1. The end cover 3 is provided with inner threads, the outer wall of the pipe wall 2 is provided with threads 24, and the outer threads are meshed with the threads 24. The extension tube 4 and the end cover 3 are connected into a whole through a sealing ring 41, and the end cover 3 can be fixed at the opening 11 of the tube cavity 1 by means of thread engagement when being rotated during storage.

The end cap 3 is preferably made of wading grade stainless steel or plastic.

The bellows 4 and the sealing ring 5 are preferably made of wading grade plastic or silicone material.

Above-mentioned life straw is when being used for the water intaking, with the life straw of this application part under the immersion water, to having the flexible pipe 4 of pulling out of telescopic tube structure, the water of small molecule passes through lumen 1 under the suction effect, and solid impurity and bacterium virus volume are greater than the membrane pore, can not pass through separating layer 21, but obtains safe drinking water in the lumen 1.

Claims

1. Ceramic life straw, its characterized in that: the filter comprises a pipe wall and a pipe cavity for accommodating a filtered water source, wherein the pipe cavity is of a structure with an open upper part and a closed bottom, the pipe wall is a ceramic membrane pipe formed by ceramic, membrane pores are arranged on the pipe wall, the pore size of the membrane pores is 0.8nm-20 mu m, and the pore size of the membrane pores is gradually reduced from inside to outside.

2. The ceramic life straw of claim 1, wherein: the ceramic membrane tube is of a circular tube structure.

3. The ceramic life straw of claim 1, wherein: the pipe cavity opening part is provided with an end cover, the pipe wall close to one end of the pipe cavity opening is provided with threads, the end cover is also provided with threads at the position corresponding to the pipe wall, the end cover is provided with a telescopic pipe, and the end cover is in threaded connection with the pipe wall.

4. The ceramic life straw of claim 3, wherein: the end cover is a wading-level stainless steel or plastic cover body, and the telescopic pipe is a wading-level plastic pipe or a silicone tube.

5. The ceramic life straw of claim 3, wherein: the telescopic pipe and the end cover are connected into a whole through a sealing ring.

6. The ceramic life straw of claim 5, wherein: the sealing ring is a wading-level plastic ring or a silica gel ring.

7. The ceramic life straw of any one of claims 1-6, wherein: the ceramic membrane tube sequentially comprises a carrier layer, a transition layer and a separation layer from inside to outside, wherein the pore diameter of the carrier layer is 1-20 mu m, and the porosity is 30% -65%; the pore diameter of the transition layer is smaller than that of the support layer, and the porosity is 30-40%; the aperture of the separating layer is 0.8nm-1 μm, and the porosity is 40% -55%.

8. The ceramic life straw of claim 7, wherein: the thickness of the separation layer is 3-10 μm, the thickness of the transition layer is 20-60 μm, and the thickness of the carrier layer is not less than that of the transition layer.