CN210874861U

CN210874861U - Membrane element center tube

Info

Publication number: CN210874861U
Application number: CN201921581100.2U
Authority: CN
Inventors: 吴红平; 夏跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-06-30
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a central tube of a membrane element, which comprises a hollow cavity, wherein a plurality of groups of through holes are distributed on the side wall of the hollow cavity, one end of the hollow cavity is connected with a pure water outlet, and the other end of the hollow cavity is sealed and connected with a tail tube; the water producing channel is communicated with the pure water outlet, the carbon rod is sleeved on the water producing channel, the water outlet end cover and the tail end cover are respectively installed at two ends of the carbon rod, and the water outlet end cover is respectively communicated with the water producing channel and the pure water outlet. The utility model discloses at the inside functional activated carbon stick that integrates of center tube, make overall structure become compacter and high-efficient.

Description

Membrane element center tube

Technical Field

The utility model relates to a water purification technology field, in particular to membrane element center tube.

Background

Nowadays, the water quality requirements of industrial production, such as the production of products in various industries, such as biology, medicine, petroleum, chemical industry, semiconductors, etc., which have strict requirements on water, scientific research institutions, laboratories, and even our daily life are higher and higher. Therefore, the water needs to be treated to remove various toxic and harmful substances and impurities in the water, so that the application requirements of the water can be met. Along with the development of urbanization in China, water purifiers are gradually popularized, in the water purifiers, filtration technologies mainly based on reverse osmosis, nanofiltration or ultrafiltration gradually become mainstream, and the core of the filtration technologies is a membrane element. In the past, the produced water after reverse osmosis, nanofiltration, ultrafiltration or microfiltration of the membrane element is further treated according to the requirements of customers, and a filter element for further treatment is positioned outside the membrane element, so that the overall size of the water purification system is overlarge and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane element center tube. The utility model discloses at the inside functional activated carbon stick that integrates of center tube, make overall structure become compacter and high-efficient.

The technical scheme of the utility model: a central tube of a membrane element comprises a hollow cavity body, wherein a plurality of groups of through holes are distributed on the side wall of the hollow cavity body, one end of the hollow cavity body is connected with a pure water outlet, and the other end of the hollow cavity body is closed and connected with a tail tube; the water producing channel is communicated with the pure water outlet, the carbon rod is sleeved on the water producing channel, the water outlet end cover and the tail end cover are respectively installed at two ends of the carbon rod, and the water outlet end cover is respectively communicated with the water producing channel and the pure water outlet.

In the membrane element central tube, the pure water outlet is provided with two outlet ring grooves.

In the membrane element central tube, the positions of the water outlet end cover and the tail end cover which are respectively contacted with the end face of the carbon rod are provided with positioning walls; and the middle parts of the water outlet end cover and the tail end cover are respectively provided with a positioning pipe matched with the water production channel.

In the membrane element central tube, the carbon rod is coated with permeable non-woven fabric.

In the membrane element central tube, one or more of a scale inhibiting material, a mineral material or a bacteriostatic material is/are arranged in the carbon rod.

In the membrane element central tube, a sealing chamber is formed between the tail end cover of the carbon rod and the tail wall of the hollow cavity.

In the membrane element center tube, the tail tube is provided with the positioning hole and the fixing groove.

In the membrane element central tube, the water outlet end cover and the tail end cover are both provided with end cover ring grooves.

Compared with the prior art, the utility model is provided with the hollow cavity with a plurality of groups of through holes on the side wall of the hollow cavity, which is used for leading the filtrate generated by the membrane element into the hollow cavity; one end of the hollow cavity is connected with a pure water outlet, a water production channel communicated with the pure water outlet is arranged in the hollow cavity, and the water production channel is used for collecting produced water and outputting the produced water to the pure water outlet; the carbon rod is sleeved on the water production channel, the water outlet end cover and the tail end cover are respectively installed at the two ends of the carbon rod, and the water outlet end cover is respectively communicated with the water production channel and the pure water outlet, so that the function of the functional activated carbon rod is integrated in the central tube, the whole structure is reduced, and the whole structure is more compact and efficient. Furthermore, the utility model discloses a when location wall guaranteed to use sealed fixed water end cover of gluing and afterbody end cover and carbon rod, can form well sealed and glue and can not overflow to carbon rod inner chamber and block up the filtrate runner. A positioning groove is arranged on the wall of the tail end cavity of the hollow cavity. Through the outside cladding of carbon-point there is permeable just cloth, prevent that there is the piece to drop in the processing operation process. The tail pipe is provided with a fixing groove for driving the central pipe to integrally rotate in the membrane element rolling process, so that the membrane element rolling device is convenient to process and use; the positioning holes on the tail pipe are used for positioning or fixing the membrane element in any process of manufacturing or using the membrane element. Through the end cover ring grooves on the water outlet end cover and the tail end cover, good sealing is formed, and the situation of blocking or leakage cannot occur.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

1. A hollow cavity; 2. a pure water outlet; 3. a tail pipe; 4. a carbon rod; 5. a water outlet end cover; 6. A tail end cover; 7. an outlet ring groove; 8. a positioning wall; 9. a positioning tube; 11. water-permeable harmless cloth; 12. a sealed chamber; 13. positioning holes; 14. fixing grooves; 15. an end cap ring groove.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): a membrane element central tube, as shown in figure 1, comprises a hollow cavity 1 with a plurality of groups of through holes distributed on the side wall, wherein the through holes are used for guiding filtrate generated by a membrane element into the hollow cavity 1; one end of the hollow cavity 1 is connected with a pure water outlet 2, two outlet ring grooves 7 are arranged on the pure water outlet 2, the outer diameter of the pure water outlet 2 is matched with the inner diameter of a membrane shell pure water collecting port, an O-shaped ring on the outlet ring grooves 7 can seal a central pipe and the membrane shell pure water collecting port, and the other end of the hollow cavity 1 is closed and connected with a tail pipe 3; a water production channel communicated with the pure water outlet 2 is arranged in the hollow cavity 1, and a carbon rod 4 is sleeved on the water production channel; the inner diameter and the outer diameter of the hollow cavity 1 are both larger than the pure water outlet 2, and the carbon rod 4 for accommodating the activated carbon rod 4 is the activated carbon rod 4 formed by processing the activated carbon rod 4 by any process, wherein the length of the activated carbon rod 4 is shorter than the length of the hollow cavity 1, and the outer diameter of the activated carbon rod 4 is smaller than the outer diameter of the hollow cavity 1; the two ends of the carbon rod 4 are respectively provided with a water outlet end cover 5 and a tail end cover 6, and the middle parts of the water outlet end cover 5 and the tail end cover 6 are respectively provided with a positioning pipe 9 matched with a water production channel and positioned by the positioning pipes 9; the water outlet end cover 5 faces the pure water outlet 2, the tail end cover 6 faces the tail pipe 3, end cover ring grooves 15 are formed in the water outlet end cover 5 and the tail end cover 6, sealing rings are arranged on the end cover ring grooves 15, the outer diameter of the water outlet end cover is matched with the inner diameter of the hollow cavity 1 of the central pipe, and the outer walls of the water outlet end cover 5 and the tail end cover 6 and the hollow cavity 1 can be sealed through the sealing rings; the contact part of the water outlet end cover 5 and the end face of the carbon rod 4 is provided with a positioning wall 8, so that when the water outlet end cover 5, the tail end cover 6 and the carbon rod 4 are fixed by using sealant, good sealing can be formed, and the sealant cannot overflow to the inner cavity of the activated carbon rod 4 to block a filtrate flow channel; the structure of the tail end cover 6 can be consistent with that of the water outlet end cover 5, the tail end cover 6 can be well sealed with the inner cavity of the hollow cavity 1 while ensuring good sealing with the end face of the carbon rod 4, but the tail end cover 6 has no water outlet design, and all filtrate passing through the carbon rod 4 flows out of the center of the water outlet end cover 5 from one side of the water outlet end cover; the water outlet end cover 5 is respectively communicated with the water production channel and the pure water outlet 2, so that the filtrate flowing out of the activated carbon rod 4 can be led out to the water outlet of the central tube through the water outlet of the end cover.

Furthermore, a sealing chamber 12 is formed between the tail end cover 6 of the carbon rod 4 and the tail wall of the hollow cavity 1, and the tail pipe 3 is provided with a positioning hole 13 and a fixing groove 14, so that the membrane element can be positioned or fixed in any process of membrane element manufacturing or use.

Claims

1. A membrane element center tube, characterized by: comprises a hollow cavity (1) with a plurality of groups of through holes distributed on the side wall, wherein one end of the hollow cavity (1) is connected with a pure water outlet (2), and the other end is closed and connected with a tail pipe (3); the water producing device is characterized in that a water producing channel communicated with the pure water outlet (2) is arranged in the hollow cavity (1), a carbon rod (4) is sleeved on the water producing channel, water outlet end covers (5) and tail end covers (6) are respectively installed at two ends of the carbon rod (4), and the water outlet end covers (5) are respectively communicated with the water producing channel and the pure water outlet (2).

2. The membrane element center tube of claim 1, wherein: two outlet ring grooves (7) are arranged on the pure water outlet (2).

3. The membrane element center tube of claim 1, wherein: the water outlet end cover (5) and the tail end cover (6) are respectively provided with a positioning wall (8) at the position contacted with the end face of the carbon rod (4); and the middle parts of the water outlet end cover (5) and the tail end cover (6) are respectively provided with a positioning pipe (9) matched with the water production channel.

4. The membrane element center tube of claim 1, wherein: the carbon rod (4) is coated with permeable just cloth (11).

5. The membrane element center tube of claim 1, wherein: one or a combination of more of scale inhibiting materials, mineral materials or bacteriostatic materials is arranged in the carbon rod (4).

6. The membrane element center tube of claim 1, wherein: and a sealing chamber (12) is formed between the tail end cover (6) of the carbon rod (4) and the tail wall of the hollow cavity (1).

7. The membrane element center tube of claim 1, wherein: the tail pipe (3) is provided with a positioning hole (13) and a fixing groove (14).

8. The membrane element center tube of claim 1, wherein: and end cover ring grooves (15) are arranged on the water outlet end cover (5) and the tail end cover (6).