CN212532382U - Sanitary membrane shell of water making equipment without dead water - Google Patents
Sanitary membrane shell of water making equipment without dead water Download PDFInfo
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- CN212532382U CN212532382U CN202020930099.6U CN202020930099U CN212532382U CN 212532382 U CN212532382 U CN 212532382U CN 202020930099 U CN202020930099 U CN 202020930099U CN 212532382 U CN212532382 U CN 212532382U
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Abstract
The utility model belongs to the technical field of water treatment, a sanitary non-stagnant water production equipment membrane shell is related to, comprising a membrane shell, wherein a reverse osmosis membrane is arranged in the membrane shell, a water passing gap is arranged between the outer ring of the reverse osmosis membrane and the inner wall of the membrane shell, a sealing ring is arranged at the top end of the reverse osmosis membrane, a water inlet cavity is arranged between the sealing ring and the top end in the membrane shell, the water inlet cavity is communicated with a water inlet arranged at one side of the membrane shell, a water outlet is arranged below the water inlet, the water outlet is communicated with the water passing gap, and the; the reverse osmosis membrane is provided with a central tube along the axis position, the top end of the central tube penetrates through the sealing ring and is communicated with a water production outlet arranged at the top end of the membrane shell, the bottom end of the central tube is closed, and the bottom end of the central tube is fixed with a support frame inside the bottom end of the membrane shell; a water outlet cavity is arranged between the bottom surface of the reverse osmosis membrane and the bottom surface inside the membrane shell and is communicated with the water passing gap. The utility model discloses do not stay stagnant water, do not create the condition for bacterial growing, realize inhibiting the purpose of microorganism, guarantee quality of water.
Description
Technical Field
The utility model relates to a sanitary non-dead water membrane shell of water making equipment, which belongs to the technical field of water treatment.
Background
The reverse osmosis membrane shells of pure water which can be seen in the market are all water inlet at one end and water outlet at the other end. After reverse osmosis membrane is packed into to the membrane shell, reverse osmosis membrane has V type sealing washer at the end of intaking, can prevent during intaking that water from not passing through the membrane and flowing into next section from the gap between reverse osmosis membrane and the membrane shell, in order to make things convenient for the dismouting more simultaneously, leaves the clearance about 3mm between reverse osmosis membrane's excircle and the membrane shell, and water can slowly catch up the air in this space after logical water and fill water. And the water in this area will become dead water. The gap between the reverse osmosis membrane and the membrane shell becomes a hotbed of bacteria, and the bacteria can be continuously bred in the circulating process, so that the membrane is not suitable for being used as water treatment equipment of hospitals and small pharmaceutical industries or water treatment equipment which cannot use high-temperature disinfection membranes.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defect of the prior art is overcome, a sanitary non-stagnant water membrane shell of the water making equipment is provided, no stagnant water is left in the sanitary non-stagnant water membrane shell of the water making equipment, no condition is created for bacterial breeding, the purpose of inhibiting microorganisms is achieved, and water quality is guaranteed.
The sanitary non-dead-water production equipment membrane shell comprises a membrane shell, wherein a reverse osmosis membrane is arranged in the membrane shell, a water passing gap is formed between an outer ring of the reverse osmosis membrane and the inner wall of the membrane shell, a sealing ring is arranged at the top end of the reverse osmosis membrane, a water inlet cavity is formed between the sealing ring and the top end in the membrane shell, the water inlet cavity is communicated with a water inlet arranged on one side of the membrane shell, a water outlet is arranged below the water inlet, the water outlet is communicated with the water passing gap, and the water outlet is arranged at one end; the reverse osmosis membrane is provided with a central tube along the axis position, the top end of the central tube penetrates through the sealing ring and is communicated with a water production outlet arranged at the top end of the membrane shell, the bottom end of the central tube is closed, and the bottom end of the central tube is fixed with a support frame inside the bottom end of the membrane shell; a water outlet cavity is arranged between the bottom surface of the reverse osmosis membrane and the bottom surface inside the membrane shell and is communicated with the water passing gap.
Raw water enters the water inlet cavity through the water inlet, then the raw water in the water inlet cavity completely enters the reverse osmosis membrane through the reverse osmosis membrane sealing ring, under the action of pressure, part of water enters the central tube through the reverse osmosis membrane to become reverse osmosis produced water, and the reverse osmosis produced water flows out through the produced water outlet; the other part of the concentrated water containing almost all the impurities and ions can not permeate the reverse osmosis membrane, the concentrated water flows downwards under the action of pressure, flows to the water outlet cavity after passing through the reverse osmosis membrane, and then flows reversely to pass through the water gap and the water outlet to be discharged out of the membrane shell. No dead water appears in the whole operation process, no condition is created for bacterial breeding, the purpose of inhibiting microorganisms is realized, and the water quality is ensured. The membrane shell and the reverse osmosis membrane are coaxially arranged, the sealing ring is a reverse osmosis membrane sealing ring, and raw water can penetrate through the reverse osmosis membrane sealing ring to enter the reverse osmosis membrane.
Preferably, the width of the water passing gap is 2-5 mm.
Preferably, the roughness Ra of the inner wall surface of the membrane shell is less than or equal to 0.4, so that bacteria and algae cannot propagate and stay during operation, and the purpose of inhibiting microorganisms is further achieved.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model discloses simple structure, reasonable in design does not stay stagnant water among the operation process, does not have the creation condition for bacterial growing, realizes inhibiting the purpose of microorganism, guarantees quality of water.
Drawings
FIG. 1 is a schematic view of a membrane shell structure of a sanitary non-dead-water making device;
FIG. 2 is a sectional view taken along line B-B in FIG. 1;
fig. 3 and 2 are partially enlarged views of a.
In the figure: 1. a membrane shell; 2. a water outlet; 3. a water inlet; 4. a water inlet cavity; 5. a central tube; 6. a reverse osmosis membrane; 7. a water outlet cavity; 8. a water passing gap; 9. a seal ring; 10. a support frame; 11. and a water outlet.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1-3, the sanitary membrane shell of the water production equipment without dead water of the present invention comprises a membrane shell 1, wherein a reverse osmosis membrane 6 is arranged inside the membrane shell 1, a water passing gap 8 is arranged between the outer ring of the reverse osmosis membrane 6 and the inner wall of the membrane shell 1, a sealing ring 9 is arranged at the top end of the reverse osmosis membrane 6, a water inlet cavity 4 is arranged between the sealing ring 9 and the top end inside the membrane shell 1, the water inlet cavity 4 is communicated with a water inlet 3 arranged at one side of the membrane shell 1, a water outlet 2 is arranged below the water inlet 3, the water outlet 2 is communicated with the water passing gap 8, and the water outlet 2 is arranged; the reverse osmosis membrane 6 is provided with a central tube 5 along the axial position, the top end of the central tube 5 penetrates through a sealing ring 9 to be communicated with a water production outlet 11 arranged at the top end of the membrane shell 1, the bottom end of the central tube 5 is closed, and the bottom end of the central tube 5 is fixed with a support frame 10 inside the bottom end of the membrane shell 1; a water outlet cavity 7 is arranged between the bottom surface of the reverse osmosis membrane 6 and the bottom surface of the interior of the membrane shell 1, and the water outlet cavity 7 is communicated with the water passing gap 8.
In this embodiment:
the width of the water passing gap 8 is 3 mm; the roughness Ra of the inner wall surface of the membrane shell 1 is less than or equal to 0.4, so that bacteria and algae can not be propagated and stayed during operation, and the purpose of inhibiting microorganisms is further achieved.
Raw water enters the water inlet cavity 4 through the water inlet 3, then the raw water in the water inlet cavity 4 completely enters the reverse osmosis membrane 6 through the reverse osmosis membrane 6 sealing ring 9, under the action of pressure, part of water enters the central tube 5 through the reverse osmosis membrane 6 to become reverse osmosis produced water, and the reverse osmosis produced water flows out through the produced water outlet 11; the other part of the concentrated water containing almost all the impurities and ions can not permeate the reverse osmosis membrane 6, the concentrated water flows downwards under the action of pressure, flows to the water outlet cavity 7 after passing through the reverse osmosis membrane 6, and then flows reversely to pass through the water gap 8 and the water outlet 2 to be discharged out of the membrane shell 1. No dead water appears in the whole operation process, no condition is created for bacterial breeding, the purpose of inhibiting microorganisms is realized, and the water quality is ensured. The membrane shell 1 and the reverse osmosis membrane 6 are coaxially arranged, the sealing ring 9 is a reverse osmosis membrane 6 sealing ring 9, and raw water can penetrate through the reverse osmosis membrane sealing ring to enter the reverse osmosis membrane 6.
Claims (3)
1. The utility model provides a system water equipment membrane shell of no stagnant water of health type which characterized in that: the membrane comprises a membrane shell (1), wherein a reverse osmosis membrane (6) is arranged in the membrane shell (1), a water passing gap (8) is arranged between the outer ring of the reverse osmosis membrane (6) and the inner wall of the membrane shell (1), a sealing ring (9) is arranged at the top end of the reverse osmosis membrane (6), a water inlet cavity (4) is arranged between the sealing ring (9) and the inner top end of the membrane shell (1), the water inlet cavity (4) is communicated with a water inlet (3) arranged at one side of the membrane shell (1), a water outlet (2) is arranged below the water inlet (3), the water outlet (2) is communicated with the water passing gap (8), and the water outlet (2) is arranged at one; the reverse osmosis membrane (6) is provided with a central tube (5) along the axis position, the top end of the central tube (5) penetrates through a sealing ring (9) and is communicated with a water production outlet (11) arranged at the top end of the membrane shell (1), the bottom end of the central tube (5) is closed, and the bottom end of the central tube (5) is fixed with a support frame (10) inside the bottom end of the membrane shell (1); a water outlet cavity (7) is arranged between the bottom surface of the reverse osmosis membrane (6) and the inner bottom surface of the membrane shell (1), and the water outlet cavity (7) is communicated with the water passing gap (8).
2. The membrane shell of a sanitary non-dead-water making device according to claim 1, characterized in that: the width of the water passing gap (8) is 2-5 mm.
3. The membrane shell of a sanitary non-dead-water making device according to claim 1, characterized in that: the roughness Ra of the inner wall surface of the membrane shell (1) is less than or equal to 0.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930099.6U CN212532382U (en) | 2020-05-27 | 2020-05-27 | Sanitary membrane shell of water making equipment without dead water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930099.6U CN212532382U (en) | 2020-05-27 | 2020-05-27 | Sanitary membrane shell of water making equipment without dead water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212532382U true CN212532382U (en) | 2021-02-12 |
Family
ID=74544737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020930099.6U Active CN212532382U (en) | 2020-05-27 | 2020-05-27 | Sanitary membrane shell of water making equipment without dead water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212532382U (en) |
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2020
- 2020-05-27 CN CN202020930099.6U patent/CN212532382U/en active Active
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