CN212030834U - Curtain type hollow fiber membrane component sealing performance detection device - Google Patents
Curtain type hollow fiber membrane component sealing performance detection device Download PDFInfo
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- CN212030834U CN212030834U CN202020293257.1U CN202020293257U CN212030834U CN 212030834 U CN212030834 U CN 212030834U CN 202020293257 U CN202020293257 U CN 202020293257U CN 212030834 U CN212030834 U CN 212030834U
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- 239000012528 membrane Substances 0.000 title claims abstract description 63
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000006664 bond formation reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
A device for detecting the sealing performance of a curtain type hollow fiber membrane module. Relates to the field of sealing detection equipment. The device for detecting the sealing property of the curtain type hollow fiber membrane component is exquisite in structure, convenient to use and good in detection effect. The technical scheme of the utility model is that: comprises a gas supply component, a box body, a top plate, a supporting plate, a sealing gasket and a cover plate; the box is the open form in top and the intake pipe of fixedly connected with rather than the inner wall intercommunication still on the outer wall of box, the air feed subassembly intercommunication the intake pipe. The scheme is mainly applied to detection of the curtain type hollow fiber membrane component, before a pouring box and a water collecting pipe of the curtain type hollow fiber membrane component are not bonded, sealing and membrane yarn conditions of the curtain type hollow fiber membrane component are checked, and repair can be carried out in time after defects are found so as to guarantee product quality.
Description
Technical Field
The utility model relates to a sealed check out test set field especially relates to a curtain-type hollow fiber membrane subassembly detection device.
Background
The hollow fiber membrane is mainly applied to drinking water purification, sewage treatment, industrial water treatment, beverages, biology, food, medicine, environmental protection, chemical industry, metallurgy, petroleum, thermal power and other aspects. According to the structure of the hollow fiber membrane module, there are mainly a curtain type membrane module and a column type membrane module. The process of hollow fiber membrane module production is mainly to pack several thousand to several tens of thousands of hollow fiber membrane silks inside dedicated membrane silk pouring box or tubular column, again with glue such as epoxy or polyurethane pour into a mould the box or tubular column in, wait the glue solidification back, cut unnecessary end-capping glue, expose membrane silk cavity hole, will pour into a mould the box and collect water pipe bonding formation complete product at last.
At present, the curtain type hollow fiber membrane module after being poured and cut is generally detected after a water collecting pipe is bonded, namely, the curtain type hollow fiber membrane module bonded with the water collecting pipe is soaked in protective liquid, a water producing port of the water collecting pipe of the membrane module is connected with an air source, whether bubbles emerge from the pouring position of membrane wires and glue is observed, and the curtain type hollow fiber membrane module is qualified if no bubbles emerge. In this way, it is difficult to ensure the quality of the curtain type hollow fiber membrane module in the detection after bonding, and it is difficult to repair the membrane module once a quality problem is found.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, it is exquisite, convenient to use and detection effect good to have proposed a structure, can be at curtain-type hollow fiber membrane subassembly through pouring, cutting back, and whether qualified leakproofness detection device who carries out the curtain-type hollow fiber membrane subassembly that detects to the sealed of membrane silk and glue before the bonding header pipe.
The technical scheme of the utility model is that: comprises a gas supply component, a box body, a top plate, a supporting plate, a sealing gasket and a cover plate; the box body is in an open top shape, the outer wall of the box body is also fixedly connected with an air inlet pipe communicated with the inner wall of the box body, and the air supply assembly is communicated with the air inlet pipe;
the top plate is fixedly connected to the top opening of the box body, the top plate is hollow, a pair of mounting half grooves and a pair of supporting plate grooves are formed in the inner wall of the top plate, the pair of mounting half grooves are symmetrically arranged, the upper parts of the mounting half grooves are provided with accommodating steps I, and the supporting plate grooves are located between the two mounting half grooves I and are matched with the supporting plate, so that the top surface of the supporting plate is flush with the top surface of the top plate after the supporting plate is placed in the supporting plate;
a second mounting half groove which is opposite to the first mounting half groove is formed in the pair of side walls of the supporting plate, and a second accommodating step is formed in the upper part of the second mounting half groove;
the first mounting half groove is matched with one half edge of the pouring box, and the second mounting half groove is matched with the other half edge of the pouring box, so that a mounting groove for accommodating the pouring box is formed after the first mounting half groove is in butt joint with the second mounting half groove;
the first accommodating step is matched with one half of the limiting convex ring, and the second accommodating step is matched with the other half of the limiting convex ring, so that the first accommodating step and the second accommodating step are butted to form an annular step for accommodating the limiting convex ring;
the top surface of the top plate is fixedly connected with at least two positioning bolts;
the sealing gasket is arranged on the top plate, and a pair of accommodating holes I matched with the pouring box and at least two positioning holes I matched with the positioning bolts are formed in the sealing gasket;
the top plate is arranged on the sealing gasket, and a pair of accommodating holes II matched with the pouring box and at least two positioning holes II matched with the positioning bolts are formed in the top plate.
The middle part in backup pad groove has still seted up the constant head tank, fixedly connected with and the location lug of constant head tank adaptation on the lateral wall of backup pad.
The air supply assembly comprises an air source, a pressure reducing valve, an air inlet valve and a pressure relief valve, wherein the air inlet valve and the hydraulic valve are communicated with an air inlet pipe, and one interface of the pressure reducing valve is communicated with the air source and the other interface of the pressure reducing valve is communicated with the air inlet valve.
And a pressure gauge is arranged on a pipeline between the pressure reducing valve and the air inlet valve.
A method for detecting the sealing performance of a curtain type hollow fiber membrane component comprises the following steps:
s1: firstly, performing glue pouring sealing and cutting redundant parts at two ends of a curtain type hollow fiber component;
s2: placing the cut curtain type hollow fiber membrane component into a box body, installing a pouring box into a top plate, clamping the pouring box in a first installation half groove of the top plate, and lifting the pouring box; then the supporting plate is arranged on the top plate to form a complete mounting groove and an annular step; then, the two pouring boxes are arranged in the pair of mounting grooves, and the two limiting convex rings enter the pair of annular steps;
s3: installing a sealing gasket on the top plate;
s4: an upper cover plate is arranged on the sealing gasket, and a fastening nut is arranged at the top end of the positioning bolt from top to bottom;
s5: adjusting the pressure of compressed air to 0.06MPa by using a pressure reducing valve, and introducing the compressed air into the detection device through an air inlet pipe;
s6: spraying a small amount of glycerol aqueous solution on the cutting section of the membrane assembly, observing whether bubbles emerge from the sealing glue and the membrane wire holes of the cutting section, marking if the bubbles emerge so as to be convenient for repairing, and determining that the membrane assembly is qualified if no bubbles emerge;
s7: after the test is finished, firstly closing the air source, then opening the pressure release valve to empty the air in the box body, and finally loosening the fastening nut to take out the membrane module;
s8: if the detection is qualified, returning to the step S1 to detect the next curtain type hollow fiber membrane component; if the detection is not qualified, the step S9 is executed;
s9: the curtain type hollow fiber membrane module is reworked and returns to step S1 after the rework.
The purpose of the scheme is to directly detect the cut membrane assembly, block the defective membrane threads and repair the defect with the problem of glue sealing, so as to ensure that the membrane assembly has no defect before bonding.
The scheme is mainly applied to detection of the curtain type hollow fiber membrane component, before a pouring box and a water collecting pipe of the curtain type hollow fiber membrane component are not bonded, sealing and membrane yarn conditions of the curtain type hollow fiber membrane component are checked, and repair can be carried out in time after defects are found so as to guarantee product quality.
Drawings
FIG. 1 is a schematic structural diagram of the present application,
figure 2 is a reference diagram of the using state of the scheme,
FIG. 3 is a schematic structural diagram of the cover plate in the present case,
FIG. 4 is a sectional view taken along line A-A of FIG. 3
Figure 5 is a schematic view of the structure of the gasket in the present case,
figure 6 is a cross-sectional view taken along line B-B of figure 5,
FIG. 7 is a schematic structural view of the supporting plate in the present case,
figure 8 is a cross-sectional view taken along line C-C of figure 7,
figure 9 is a schematic structural view of the top plate in the present case,
figure 10 is a cross-sectional view taken along line D-D of figure 9,
FIG. 11 is a sectional view taken along line E-E of FIG. 9;
in the figure, 1 is a pouring box, 2 is a cover plate, 21 is a second positioning hole, 22 is a second accommodating hole, 3 is a sealing gasket, 31 is a first positioning hole, 32 is a first accommodating hole, 4 is a top plate, 42 is a first mounting half groove, 43 is a supporting plate groove, 5 is a positioning bolt, 6 is a box body, 7 is a membrane wire, 8 is a supporting plate, 81 is a second mounting half groove, 9 is an air inlet valve, 10 is a pressure gauge, 11 is a pressure reducing valve, and 12 is a pressure relief valve.
Detailed Description
As shown in fig. 1-11, the curtain type hollow fiber membrane module comprises a plurality of membrane filaments 7 and a pair of pouring boxes 1 connected to two ends of the membrane filaments 7, wherein the pouring boxes 1 are in a long strip shape, and the middle parts of the outer walls of the pouring boxes 1 are provided with limiting convex rings; the device is characterized by comprising an air supply assembly, a box body 6, a top plate 4, a supporting plate 8, a sealing gasket 3 and a cover plate 2; the box body 6 is made of channel steel, angle steel and steel plates, the top of the box body 6 is open, an air inlet pipe communicated with the inner wall of the box body 6 is fixedly connected to the outer wall of the box body 6, and the air supply assembly is communicated with the air inlet pipe;
the top plate 4 is fixedly connected to the top opening of the box body 6, the top plate 4 is hollow, a pair of mounting half grooves 42 and a pair of supporting plate grooves 43 are formed in the inner wall of the top plate 4, the pair of mounting half grooves 42 are symmetrically arranged, the upper parts of the mounting half grooves 42 are provided with first accommodating steps, and the supporting plate grooves 43 are located between the two mounting half grooves 42 and are matched with the supporting plate 8, so that the top surface of the supporting plate 8 is flush with the top surface of the top plate 4 after the supporting plate 8 is placed in the first accommodating steps;
a second mounting half groove 81 opposite to the first mounting half groove 42 is formed in a pair of side walls of the support plate 8, and a second accommodating step is formed in the upper part of the second mounting half groove 81;
the first mounting half groove 42 is matched with one half edge of the pouring box 1, and the second mounting half groove is matched with the other half edge of the pouring box 1, so that a mounting groove for accommodating the pouring box is formed after the first mounting half groove 42 is butted with the second mounting half groove 81;
the first accommodating step is matched with one half of the limiting convex ring, and the second accommodating step is matched with the other half of the limiting convex ring, so that the first accommodating step and the second accommodating step are butted to form an annular step for accommodating the limiting convex ring;
the top surface of the top plate is fixedly connected with at least two positioning bolts 5;
the sealing gasket 3 is arranged on the top plate 4, and a pair of accommodating holes I32 matched with the pouring box 1 and at least two positioning holes I31 matched with the positioning bolts 5 are formed in the sealing gasket 3;
the top plate 2 is arranged on the sealing gasket 3, and a pair of accommodating holes two 22 matched with the pouring box 1 and at least two positioning holes two 21 matched with the positioning bolts 5 are formed in the top plate 2. When in use, as shown in fig. 2, the membrane wires are firstly put into the box body, and then the supporting plate is put into the gap between the two pouring boxes, so that a pair of mounting grooves and a pair of annular steps are formed between the supporting plate and the top plate; then, an operator can put the two pouring boxes into the pair of mounting grooves and make the two limiting convex rings enter the pair of annular steps; then, an operator can sequentially load the sealing gasket and the cover plate along the positioning bolt, and load the fastening nut from top to bottom at the top end of the positioning bolt so as to tightly press the cover plate, the sealing gasket, the supporting plate, the top plate and the pair of pouring boxes; and finally, an operator inflates the gas in the gas supply assembly phase box body and judges whether the gas flows out of the cover plate or not, and whether the sealing performance of the pouring box is qualified or not can be judged.
This case has realized through pouring into a mould at curtain formula hollow fiber membrane subassembly, the cutting back, and detects the purpose to the leakproofness of membrane silk and glue before bonding the collector pipe, has avoided causing the problem of curtain formula hollow fiber membrane subassembly's damage because of the gas tightness detects, simultaneously, because discovery problem this moment, under the condition that the header box is not installed, also can directly reprocess, and it is very convenient to use.
The middle part of the supporting plate groove 43 is also provided with a positioning groove, and the side wall of the supporting plate 8 is fixedly connected with a positioning lug matched with the positioning groove.
The air supply assembly comprises an air source, a pressure reducing valve 11, an air inlet valve 9 and a pressure relief valve 12, wherein the air inlet valve 9 and the hydraulic valve 12 are communicated with an air inlet pipe through pipelines, one interface of the pressure reducing valve 11 is communicated with the air source through a pipeline, and the other interface of the pressure reducing valve is communicated with the air inlet valve 9 through a pipeline.
And a pressure gauge 10 is arranged on a pipeline between the pressure reducing valve 11 and the air inlet valve 9.
A method for detecting the sealing performance of a curtain type hollow fiber membrane component comprises the following steps:
s1: firstly, performing glue pouring sealing and cutting redundant parts at two ends of a curtain type hollow fiber component;
s2: placing the cut curtain type hollow fiber membrane component into a box body, installing a pouring box into a top plate, clamping the pouring box in a first installation half groove of the top plate, and lifting the pouring box; so that enough space is left between a pair of pouring boxes; then the supporting plate 8 is arranged on the top plate 4 to form a complete mounting groove and an annular step; then, the two pouring boxes are arranged in the pair of mounting grooves, and the two limiting convex rings enter the pair of annular steps;
s3: a sealing gasket is arranged on the top plate 4;
s4: an upper cover plate 2 is arranged on the sealing gasket, and a fastening nut is arranged at the top end of the positioning bolt from top to bottom;
s5: adjusting the pressure of compressed air to 0.06MPa by using a pressure reducing valve, and introducing the compressed air into the detection device through an air inlet pipe;
s6: spraying a small amount of glycerol aqueous solution on the cutting section of the membrane assembly, observing whether bubbles emerge from the sealing glue and the membrane wire holes of the cutting section, marking if the bubbles emerge so as to be convenient for repairing, and determining that the membrane assembly is qualified if no bubbles emerge;
s7: after the test is finished, the air source is closed, the pressure release valve 9 is opened to evacuate air in the box body, and finally the fastening nut is loosened to take out the membrane module;
s8: if the detection is qualified, returning to the step S1 to detect the next curtain type hollow fiber membrane component until all curtain type hollow fiber membrane components to be detected are qualified; if the detection is not qualified, the step S9 is executed;
s9: the curtain type hollow fiber membrane module is reworked and returns to step S1 after the rework.
Claims (4)
1. The device for detecting the sealing property of the curtain type hollow fiber membrane component is characterized by comprising a gas supply component, a box body, a top plate, a supporting plate, a sealing gasket and a cover plate; the box body is in an open top shape, the outer wall of the box body is also fixedly connected with an air inlet pipe communicated with the inner wall of the box body, and the air supply assembly is communicated with the air inlet pipe;
the top plate is fixedly connected to the top opening of the box body, the top plate is hollow, a pair of mounting half grooves and a pair of supporting plate grooves are formed in the inner wall of the top plate, the pair of mounting half grooves are symmetrically arranged, the upper parts of the mounting half grooves are provided with accommodating steps I, and the supporting plate grooves are located between the two mounting half grooves I and are matched with the supporting plate, so that the top surface of the supporting plate is flush with the top surface of the top plate after the supporting plate is placed in the supporting plate;
a second mounting half groove which is opposite to the first mounting half groove is formed in the pair of side walls of the supporting plate, and a second accommodating step is formed in the upper part of the second mounting half groove;
the first mounting half groove is matched with one half edge of the pouring box, and the second mounting half groove is matched with the other half edge of the pouring box, so that a mounting groove for accommodating the pouring box is formed after the first mounting half groove is in butt joint with the second mounting half groove;
the first accommodating step is matched with one half of the limiting convex ring, and the second accommodating step is matched with the other half of the limiting convex ring, so that the first accommodating step and the second accommodating step are butted to form an annular step for accommodating the limiting convex ring;
the top surface of the top plate is fixedly connected with at least two positioning bolts;
the sealing gasket is arranged on the top plate, and a pair of accommodating holes I matched with the pouring box and at least two positioning holes I matched with the positioning bolts are formed in the sealing gasket;
the top plate is arranged on the sealing gasket, and a pair of accommodating holes II matched with the pouring box and at least two positioning holes II matched with the positioning bolts are formed in the top plate.
2. The tightness detection device of the curtain type hollow fiber membrane module according to claim 1, wherein a positioning groove is further formed in the middle of the supporting plate groove, and a positioning projection adapted to the positioning groove is fixedly connected to the side wall of the supporting plate.
3. The curtain type hollow fiber membrane module tightness detection device according to claim 1, wherein the gas supply module comprises a gas source, a pressure reducing valve, a gas inlet valve and a pressure relief valve, the gas inlet valve and the hydraulic valve are both communicated with a gas inlet pipe, one interface of the pressure reducing valve is communicated with the gas source, and the other interface of the pressure reducing valve is communicated with the gas inlet valve.
4. The curtain type hollow fiber membrane module tightness detection device according to claim 3, wherein a pressure gauge is provided on a pipe between the pressure reducing valve and the air intake valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293257.1U CN212030834U (en) | 2020-03-11 | 2020-03-11 | Curtain type hollow fiber membrane component sealing performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293257.1U CN212030834U (en) | 2020-03-11 | 2020-03-11 | Curtain type hollow fiber membrane component sealing performance detection device |
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| Publication Number | Publication Date |
|---|---|
| CN212030834U true CN212030834U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020293257.1U Active CN212030834U (en) | 2020-03-11 | 2020-03-11 | Curtain type hollow fiber membrane component sealing performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212030834U (en) |
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2020
- 2020-03-11 CN CN202020293257.1U patent/CN212030834U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220928 Address after: Room 513, No. 42, Guangzhou Road, Zhongxing Street, Development Zone, Nantong City, Jiangsu Province, 226000 Patentee after: Jiangsu Nantong Aile Environmental Technology Co.,Ltd. Address before: 214205 West Side of Ninghang Highway, Yixing Environmental Science Park, Wuxi City, Jiangsu Province Patentee before: Jiangsu Aile Membrane Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221017 Address after: No. 8, Yuanyuan Road, Zhuhang Street, Nantong Development Zone, Jiangsu Province, 226000 Patentee after: Jiangsu Nantong Aile New Material Technology Co.,Ltd. Address before: Room 513, No. 42, Guangzhou Road, Zhongxing Street, Development Zone, Nantong City, Jiangsu Province, 226000 Patentee before: Jiangsu Nantong Aile Environmental Technology Co.,Ltd. |