CN212262921U - Testing device and testing system of roll type membrane element - Google Patents

Abstract

The utility model discloses a testing arrangement of formula of book film element, the on-line screen storage device comprises a base, the membrane shell, first shutoff piece, the second shutoff piece, the membrane shell is fixed in on the base, establish inlet channel and dense water pipeline on the membrane shell, first shutoff piece includes connecting rod and first end cover, the second shutoff piece includes the support, the outer side cover plate, set up the extensible member on the support and fix the second end cover at membrane shell tip, be provided with on outer side cover plate and the second end cover with the production water pipeline of the inside intercommunication of membrane shell, the both ends and the support sliding connection of connecting rod, the extensible member compresses tightly the both ends at the membrane shell respectively with first end cover and outer side cover plate. The utility model discloses still disclose the test system of formula of book film element, including high-pressure pump, water pipe, filter, former water tank, valve, testing arrangement, the water pipe is established ties former water tank, high-pressure pump, filter and testing arrangement in proper order together, and testing arrangement's inlet channel leads to pipe and filter intercommunication, and dense water pipeline leads to pipe and former water tank intercommunication.

Description

Testing device and testing system of roll type membrane element

Technical Field

The utility model belongs to the technical field of water treatment facilities produces, specifically speaking, the utility model relates to a formula of book film element's testing arrangement and contain this testing arrangement's test system.

Background

In the technical field of water treatment, raw water is filtered by a filtering membrane to obtain purified water, and the purified water can be classified into microfiltration, ultrafiltration, nanofiltration, reverse osmosis and the like according to the pore size of the filtering membrane. The spiral-wound membrane module is one of the most widely used application forms of the filtration membranes in the current market, and has the main advantages of high packing density, simple and convenient use and operation and consistent industrial standards. The roll-type membrane element is mainly formed by rolling a membrane, and comprises a water inlet grid, a water production grid, an end cover, a water production collecting pipe and other components. After the production of the roll-type membrane element is finished, the indexes such as sealing performance and the like need to be tested, and after the test is qualified, partial membrane elements are tested in a drawing mode, so that the membrane element is qualified only if the test requirements are met. When the test system is used for simulating the running condition of the membrane element in the system during drawing, the membrane element needs to be placed in a cylindrical membrane shell, the membrane shell is mostly a stainless steel membrane shell with a blind plate at one end, the other end is connected with a pure water pipeline, and the material generally adopts a stainless steel seamless pipe. The sealing mode of the end part of the membrane shell comprises the following steps: clamp type, flange type, built-in type. And then the pressure inside the sealed membrane shell is used to reach the test conditions of the reverse osmosis and nanofiltration membrane elements.

The membrane element performance testing device in the prior art mainly has the following defects: the disassembly is troublesome, the workload is large, the installation time is long, and generally, 5 minutes is needed for installing an 8-inch test membrane element; and when the sealing ring is not installed in place, the membrane shell leaks water and needs to be installed again. After the test is finished, the water in the membrane shell cannot be emptied, and the water in the membrane shell can inevitably splash onto workers when the membrane is detached.

In summary, it is desirable to provide a testing apparatus and a testing system for a roll-type membrane element, which can improve the convenience of testing to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the testing device of the roll-type membrane element is convenient to disassemble, the time for installing the end cover is reduced, the efficiency is improved, and the automation degree and the operation rationality are improved; meanwhile, the test system of the roll-type membrane element is provided, and the operation simplicity and the test efficiency are improved.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

a testing device of a roll-type membrane element comprises a base, a cylindrical membrane shell, a first plugging piece and a second plugging piece, the membrane shell is fixed on the base, a water inlet pipeline and a concentrated water pipeline are arranged on the membrane shell, the first blocking piece and the second blocking piece respectively block two ends of the membrane shell, the first blocking piece comprises a connecting rod and a first end cover, the second plugging piece comprises a bracket, an outer side cover plate, a telescopic piece arranged on the bracket, a second end cover fixed at the end part of the membrane shell, a clamping groove and a push-pull piece, the outer side cover plate and the second end cover are provided with water production pipelines communicated with the interior of the membrane shell, two ends of the connecting rod are connected with the bracket in a sliding way, the first end cover and the outer side cover plate are respectively pressed at two end parts of the membrane shell, and the push-pull piece is fixed on the support and drives the clamping groove to vertically move between the second end cover and the outer side cover plate.

Preferably, the bracket is provided with a fixing rod, the surface of the connecting rod is provided with a sliding groove matched with the fixing rod, and the fixing rod is clamped in the sliding groove.

Preferably, the first blocking piece further comprises a telescopic rod, and the tail end of the telescopic rod is connected to the position, close to the first end cover, on the connecting rod.

Preferably, the first plugging piece plugs the end part of the membrane shell on one side of the water inlet pipeline, and the second end cover plugs the end part of the membrane shell on one side of the concentrated water pipeline.

Preferably, the second blocking piece further comprises a clamping groove and a pushing and pulling piece, the clamping groove is formed between the second end cover and the outer side cover plate, and the pushing and pulling piece is fixed on the support and drives the clamping groove to move in the vertical direction.

Preferably, the water inlet pipeline is also connected with an emptying valve.

Preferably, the concentrated water pipeline is also connected with an air inlet valve.

The utility model also provides a test system of formula of book film element, including high-pressure pump, water pipe, filter, former water tank and valve, still include foretell testing arrangement, the water pipe will former water tank, high-pressure pump, filter and testing arrangement establish ties in proper order together, testing arrangement's inlet channel lead to pipe with the filter intercommunication, dense water pipeline lead to pipe with former water tank intercommunication.

Preferably, the water production pipeline is communicated with the raw water tank through a water pipe.

The technical scheme of the utility model the beneficial technological effect who gains is:

the testing arrangement of formula of book film element in this scheme, the second end cover is fixed at membrane shell tip and is sealed with membrane shell one end, only needs to pull open first end cover to the film element that will await measuring puts the membrane shell from uncovered department in, will push away first end cover again and push away the membrane shell tip, the extensible member draws the outside apron outward this moment, the push-and-pull piece pushes down the draw-in groove, the card is between second end cover and outside apron, first end cover just is fixed and has sealed the membrane shell tip. The operation efficiency is high, and the sealing performance is strong; the first end cover is controlled by the telescopic piece, so that the first end cover can be automatically disassembled, the installation efficiency is improved, and the labor intensity is reduced; through the admission valve that increases highly-compressed air, increased the evacuation function to rivers in the membrane shell, prevent that water from spattering the staff on one's body, reasonable in design, the leakproofness is good, and the test result is accurate.

The test system of formula of book film element in this scheme, overall operation is simple and convenient, only needs one-man operation, and degree of automation is high, and the efficiency of software testing is high.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

FIG. 1 is a top view of a test setup for a roll-type membrane element in one embodiment;

FIG. 2 is a side view (hidden base) of a test unit of a roll-type membrane element in one embodiment;

FIG. 3 is a front view (hidden base) of a test unit of a roll-type membrane element in one embodiment;

FIG. 4 is a schematic perspective view showing a test apparatus for a roll-type membrane element in one embodiment (arrows indicate water flow directions);

fig. 5 is a schematic view of a test system for a roll-type membrane element in one embodiment.

Reference numerals:

1-first end cap 2-membrane shell 3-clamping groove

4-push-pull piece 5-cylinder 6-outer side cover plate

7-telescopic rod 8-air inlet valve 9-exhaust valve

10-raw water tank 11-high pressure pump 12-filter

13-water inlet pipeline 14-concentrated water pipeline 15-water production pipeline

16-sealing ring 17-connecting rod 18-bracket

19-test set-up 20-Membrane element

Detailed Description

The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.

Referring to fig. 1 to 4, the testing device of the roll-type membrane element of the present embodiment includes a base, a cylindrical membrane shell 2, a first plugging member and a second plugging member, the membrane shell 2 is fixed on the base, a water inlet pipe 13 and a concentrated water pipe 14 are disposed on the membrane shell 2, and the first plugging member and the second plugging member plug two ends of the membrane shell 2 respectively. The first blocking piece comprises a connecting rod 17 and a first end cover 1, and the second blocking piece comprises a bracket 18, a second end cover (not marked in the figure), an outer side cover plate 6, a telescopic piece, a push-pull piece 4 and a clamping groove 3. The second end cover is fixed at the end part of the membrane shell 2, the telescopic piece is arranged on a bracket 18, and two ends of the connecting rod 17 are respectively connected with the bracket 18 in a sliding way. Referring to fig. 1, 2 and 4, the push-pull member 4 is fixed on the bracket 18 and drives the locking groove 3 to move in the vertical direction, and the locking groove 3 is arranged between the second end cover and the outer side cover plate 6. In the present embodiment, a cylinder 5 is used as the telescopic member, the cylinder 5 is fixed on the bracket 18, and the end of the piston rod of the cylinder 5 is connected with the outer cover plate 6. In other embodiments, existing products such as oil cylinders can be used as the telescopic pieces. The first end cap 1 then seals the end of the membrane housing 2. Adopt cylinder 5 and push-and-pull 4 cooperation outside apron 6 actions to help the installation and the work of first end cover 1, support 18 top is a frame, and push-and-pull 4 sets up on the frame top side, and the frame bottom side is provided with 3 shape fit's of draw-in groove clearing hole, and the tip of push-and-pull 4 is fixed with draw-in groove 3, and promotes draw-in groove 3 and at the downthehole vertical removal of passing through. Set up like this, to await measuring film element 20 place the back in the membrane shell 2, pull first end cover 1 again and to pushing away in the membrane shell 2, then push away and draw 4 down draw-in groove 3 and place between second end cover and outer side cover board 6, connecting rod 17 compresses tightly first end cover 1 and outer side cover board 6 respectively at the both ends of membrane shell, realizes the shutoff to the membrane shell both ends. The testing device of the roll-type membrane element in the embodiment has high operation efficiency and strong sealing property; the first end cover is controlled by the extensible member, so that the automatic disassembly of the first end cover can be realized, the installation efficiency is improved, and the labor intensity is reduced.

Referring to fig. 4, in the present embodiment, the connecting rods 17 are two cross rods with a length slightly larger than that of the membrane housing 2, and the first ends of the two cross rods are fixedly connected with the first end cover 1, and the second ends are slidably connected with the bracket 18. The both sides of support 18 are seted up jaggedly, and breach department is provided with the dead lever, and the surface of connecting rod 17 is provided with the spout, and the dead lever card is in the spout on connecting rod 17 surface. This enables a sliding connection between the second end of the connecting rod 17 and the bracket 18. Therefore, when the first end cover 1 is pulled, the connecting rod 17 moves along the sliding groove direction, and when the connecting rod 17 presses the first end cover 1 to the end part of the membrane shell, the operation is simple, convenient and safe.

Referring to fig. 2 and 4, on the basis of the present embodiment, in another modified embodiment, the first blocking element further includes a telescopic rod 7, the end of the telescopic rod 7 is connected to a connecting rod 17 at a position close to the first end cap 1, the top of the telescopic rod 7 can be fixed on the top side of the bracket 18 or other positions, and since the connecting rod 17 is two cross rods, the two telescopic rods 7 are also provided and are respectively connected with the two cross rods. Set up telescopic link 7 mainly be more steady reliable when guaranteeing the installation of first end cover 1, avoid first end cover 1 and connecting rod 17 to drop down. Because the telescopic rod 7 has scalability, when the first end cover 1 is disassembled, the first end cover 1 and the connecting rod 17 are pulled backwards (i.e. away from the membrane shell) and then lifted upwards; or when the first end cover 1 is installed, the first end cover 1 and the connecting rod 17 are pressed downwards to be pushed to the end part of the membrane shell, and the telescopic rod 7 can ensure the safety and reliability of the installation process.

Referring to fig. 2 and 4, on the basis of the present embodiment, in another modified embodiment, a water production pipeline 15 is further disposed on the membrane shell 2, the water production pipeline 15 passes through the second end cover and the outer side cover plate 6, the second end cover blocks the end portion of the membrane shell 2 close to one side of the concentrate pipeline 14, and the water production pipeline 15 can communicate with the inner space of the membrane shell 2, so as to achieve the function of water drainage.

Referring to fig. 1 and 2, in another modified embodiment, on the basis of the present embodiment, the first end cap 1 is further provided with a sealing ring 16 which is matched with the end of the membrane housing 2 in shape. This ensures the tightness between the first end cap 1 and the membrane housing 2.

Referring to fig. 3, on the basis of the present embodiment, in another modified embodiment, an emptying valve 9 is further connected to the water inlet pipe 13, and an air inlet valve 8 is further connected to the concentrated water pipe 14; through the admission valve that increases highly-compressed air, increased the evacuation function to rivers in the membrane shell, prevent that water from spattering the staff on one's body, reasonable in design, the leakproofness is good, and the test result is accurate. The water inlet pipeline 13 of the membrane shell 2 is connected with the emptying valve 9, the air inlet valve 8 of the concentrated water pipeline 14 is connected with high-pressure air, so that when the test is completed, the emptying valve 9 is opened firstly, then the air inlet valve 8 is opened, the water in the membrane shell 2 is discharged by utilizing the high-pressure air, and then the membrane element 20 is detached. The emptying valve 9 is arranged on the concentrated water outlet pipeline of the membrane shell 2, so that a structure for emptying water in the membrane shell 2 is additionally arranged, and the automation degree and the operation rationality of the equipment are improved. When the membrane element 20 is disassembled, the control switch of the push-pull piece 4 is clicked on the test board operating system interface, the clamping groove 3 is lifted up after the push-pull piece 4 is contracted, the first end cover 1 is directly pulled outwards manually, the membrane shell 2 is opened, the disassembling work of the membrane element 20 is carried out, the operation is simple and convenient, the time for manually installing the end cover is reduced, the testing and the installation are convenient,

referring to fig. 5, the test system of the roll-type membrane element 20 in an embodiment includes a high-pressure pump 11, a water pipe, a filter 12, a raw water tank 10, a valve, and the test device 19, wherein the raw water tank 10, the high-pressure pump 11, the filter 12, and the test device 19 are sequentially connected in series by the water pipe, a water inlet pipe 13 of the test device 19 is communicated with the filter 12 through the water pipe, a concentrated water pipe 14 is communicated with the raw water tank 10 through the water pipe, and a water production pipe 15 is communicated with the raw water tank 10 through the water pipe. The test system of the roll-type membrane element in the embodiment is simple and convenient to operate integrally, high in automation degree and high in test efficiency.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A testing device of a roll-type membrane element is characterized by comprising a base, a cylindrical membrane shell, a first plugging piece and a second plugging piece, the membrane shell is fixed on the base, a water inlet pipeline and a concentrated water pipeline are arranged on the membrane shell, the first blocking piece and the second blocking piece respectively block two ends of the membrane shell, the first blocking piece comprises a connecting rod and a first end cover, the second plugging piece comprises a bracket, an outer side cover plate, a telescopic piece arranged on the bracket, a second end cover fixed at the end part of the membrane shell, a clamping groove and a push-pull piece, the outer side cover plate and the second end cover are provided with water production pipelines communicated with the interior of the membrane shell, two ends of the connecting rod are connected with the bracket in a sliding way, the first end cover and the outer side cover plate are respectively pressed at two end parts of the membrane shell, and the push-pull piece is fixed on the support and drives the clamping groove to vertically move between the second end cover and the outer side cover plate.

2. The device for testing spiral membrane elements as claimed in claim 1, wherein the bracket is provided with a fixing rod, a surface of one end of the connecting rod is provided with a sliding groove matched with the fixing rod, and the fixing rod is clamped in the sliding groove.

3. The device for testing spiral wound membrane elements of claim 2, wherein the first closure further comprises a telescoping rod, the telescoping rod being attached at an end of the telescoping rod adjacent to the first end cap.

4. The test apparatus of spiral wound membrane element of claim 2, wherein the first blocking member blocks the end of the membrane housing on the side of the inlet pipe and the second end cap blocks the end of the membrane housing on the side of the concentrate pipe.

5. The device for testing a spiral wound membrane element of any one of claims 1 to 4, wherein an evacuation valve is further connected to the water inlet conduit.

6. The device for testing a spiral wound membrane element according to any one of claims 1 to 4, wherein an air inlet valve is further connected to the concentrate line.

7. A test system of a roll type membrane element, which comprises a high-pressure pump, a water pipe, a filter, a raw water tank and a valve, and is characterized by further comprising the test device as claimed in any one of claims 1 to 6, wherein the water pipe connects the raw water tank, the high-pressure pump, the filter and the test device in series in sequence, a water inlet pipeline of the test device is communicated with the filter through the water pipe, and a concentrated water pipeline is communicated with the raw water tank through the water pipe.

8. The system for testing a spiral wound membrane element of claim 7, wherein the water production conduit is in communication with the raw water tank through a water pipe.

Images