CN213032240U

CN213032240U - Discharge pipe sampling structure of bipolar membrane electrodialysis equipment

Info

Publication number: CN213032240U
Application number: CN202021440980.4U
Authority: CN
Inventors: 周来杰; 郑菊凤; 李佳霓; 周跃星; 周春杰; 周来勇; 王加佳; 郑水龙; 祁立君; 张风强; 孙储葛
Original assignee: Shandong Xinhong Pharmaceutical Co ltd
Current assignee: Shandong Xinhong Pharmaceutical Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-04-23
Anticipated expiration: 2030-07-20

Abstract

The utility model relates to a bipolar membrane electrodialysis equipment discharging pipe sample structure belongs to bipolar membrane electrodialysis equipment's technical field, and it includes the material pipe of getting of fixed connection in discharging pipe lower extreme, gets material pipe lower extreme threaded connection and has the cross valve, and the cross valve inner route is sharp setting, and the inlet port has been seted up to the cross valve lower extreme, and the vertical sliding connection of cross valve lower extreme outer wall has the closed tube, and the cross valve lateral wall is fixed to be provided with the mechanism of blowing, and mechanism of blowing one end fixed connection is in the closed tube upper. During sampling, a vertical passage in the four-way valve is opened, feed liquid is discharged through the four-way valve, after sampling is completed, the vertical passage of the four-way valve is closed, a horizontal passage is opened, the closed pipe slides towards the direction close to the ground, the air blowing mechanism is aligned with the air inlet, air blown by the air blowing mechanism enters the lower end of the four-way valve from the air inlet, and air flow is blocked, so that the air flow can only move towards the ground direction, and the feed liquid adhered to the. This application has the feed liquid that reduces to drip subaerial, reduces the effect to the pollution of feed liquid.

Description

Discharge pipe sampling structure of bipolar membrane electrodialysis equipment

Technical Field

The application relates to the field of bipolar membrane electrodialysis equipment, in particular to a discharge pipe sampling structure of bipolar membrane electrodialysis equipment.

Background

The bipolar membrane is a novel ion exchange composite membrane, is usually formed by compounding a cation exchange layer, an interface hydrophilic layer and an anion exchange layer, and is a reaction membrane in the true sense. Under the action of a direct current electric field, the bipolar membrane can dissociate water to obtain hydrogen ions and hydroxyl ions on two sides of the membrane respectively. By utilizing the characteristic, the bipolar membrane electrodialysis system combining the bipolar membrane and other anion-cation exchange membranes can convert the salt in the aqueous solution into corresponding acid and alkali without introducing new components, and the method is called as bipolar membrane electrodialysis method.

The Chinese utility model patent with the publication number of CN204151425U discloses a production system of gluconic acid by a bipolar membrane electrodialysis method, which comprises a plate-frame filter, an ultrafilter and a bipolar membrane electrodialysis device; the liquid outlet of the plate frame filter is connected with the liquid inlet of the ultrafiltration machine, and the liquid outlet of the ultrafiltration machine is connected with the feed inlet of the bipolar membrane electrodialysis device.

The discharge gate of bipolar membrane electrodialysis device is connected with the discharging pipe, for convenient monitoring feed liquid concentration, so at discharging pipe lower extreme fixedly connected with sampling tube, sampling tube department is provided with the valve. During sampling, the valve is unscrewed, and the feed liquid is discharged from the sampling pipe and enters the sampling barrel below. After the sample, close the valve, the staff takes the sample in the sampling bucket to detect.

The related technology has the following defects that after sampling is finished, the valve is closed, and after workers leave the sampling pipe, the feed liquid adhered to the inner wall of the sampling pipe slowly slides out of the sampling pipe and drops on the ground under the action of gravity, so that the ground is polluted.

SUMMERY OF THE UTILITY MODEL

In order to reduce the feed liquid that drips subaerial, reduce the pollution to the feed liquid, this application provides a bipolar membrane electrodialysis equipment discharging pipe sample structure.

The application provides a bipolar membrane electrodialysis equipment discharging pipe sampling structure adopts following technical scheme:

the utility model provides a bipolar membrane electrodialysis equipment discharging pipe sampling structure, includes the material pipe of getting of fixed connection in discharging pipe lower extreme, it has the cross valve to get material pipe lower extreme threaded connection, the cross valve inner path is the sharp setting, the inlet port has been seted up to the cross valve lower extreme, the vertical sliding connection of cross valve lower extreme outer wall has the closed tube, the fixed mechanism of blowing that is provided with of cross valve lateral wall, the mechanism one end fixed connection of blowing is in the closed tube upper end.

Through adopting above-mentioned technical scheme, during the sample, vertical access is opened in the cross valve, the feed liquid is discharged through the cross valve, after the sample was accomplished, the vertical access of cross valve is closed, horizontal access is opened, the closed tube slides to being close to the ground direction, air blowing mechanism and inlet port align, air blowing mechanism blows and gets into the cross valve lower extreme from the inlet port, thereby the air current is obstructed can only blow off the feed liquid of adhesion at the cross valve inner wall to ground direction removal, thereby effectively reduce the staff and leave the feed liquid of roll-off in the cross valve and fall to subaerial, reduce the pollution to ground.

Preferably, the four-way valve comprises a four-way pipe in threaded connection with the lower end of the material taking pipe, a valve core ball is connected in the four-way pipe in a rotating mode, the valve core ball is tightly attached to the inner wall of the four-way pipe, the rotating axis of the valve core ball is perpendicular to the material discharging direction, a through hole is formed in the valve core ball in the radial direction of the valve core ball, and the axis of the through hole is perpendicular to the rotating axis of the valve core ball.

Through adopting above-mentioned technical scheme, thereby the case ball rotates and drives the through-hole and rotate to realize opening and close of the vertical passageway or the horizontal path of cross valve, easy operation is convenient.

Preferably, four ends of the four-way pipe are divided into an end A, an end B, an end C and an end D along the clockwise direction, the end A of the four-way pipe is in threaded connection with the lower end of the material taking pipe, the air inlet hole is formed in the peripheral side wall of the end C of the four-way pipe, the closed pipe is vertically connected to the outer side wall of the end C of the four-way pipe in a sliding mode, and the closed pipe shields the air inlet hole.

Through adopting above-mentioned technical scheme, thereby the feed liquid that leaks from the inlet port department is effectively reduced with the inlet port sheltered from to the closed tube, reduces the pollution of feed liquid to the four-way pipe outer wall.

Preferably, the inner wall of the closed pipe is provided with a groove, a sealing layer is clamped in the groove, and the sealing layer is made of rubber.

By adopting the technical scheme, the sealing layer can increase the sealing performance of the closed pipe and further reduce the feed liquid flowing out from the air inlet.

Preferably, the mechanism of blowing includes the elasticity gasbag, the equal fixedly connected with check valve in elasticity gasbag both ends, the check valve air current direction is the same, the elasticity gasbag is given vent to anger fixedly connected with gas blow pipe, closed tube upper end fixedly connected with ventilates the ring, ventilate ring inner wall butt in four-way pipe C end lateral wall, ventilate and encircle to have seted up the chamber of ventilating, ventilate the chamber opening towards four-way pipe C end, the gas blow pipe with ventilate the chamber intercommunication.

Through adopting above-mentioned technical scheme, the closed tube slides and drives the ring of ventilating and slide, and when the chamber of ventilating and the inlet port align, extrusion elasticity gasbag, gas gets into four-way pipe C end through gas blow pipe, the chamber of ventilating and inlet port, and the feed liquid that the air current drove four-way pipe C end inner wall is followed four-way pipe C and is held the lower extreme roll-off to effectively reduce the staff and leave the feed liquid of roll-off in the back follow four-way valve and fall subaerially, reduce the pollution to ground.

Preferably, one side of the four-way pipe is fixedly connected with a connecting ring, and the air blowing pipe penetrates through the connecting ring.

By adopting the technical scheme, the connecting ring can suspend the air blowing pipe and the elastic air bag at the current position, so that the air blowing pipe and the elastic air bag are convenient for operators to use.

Preferably, the peripheral side wall of the C end of the four-way pipe is fixedly connected with a limiting ring, and the limiting ring is positioned below the closed pipe.

By adopting the technical scheme, the closed tube slides towards the direction close to the ground, when the lower end of the closed tube is abutted to the limiting ring, the ventilation cavity is aligned with the air inlet, the limiting ring plays a role in positioning, and the influence on the air blowing effect due to the dislocation of the ventilation cavity and the air inlet is effectively reduced.

Preferably, the side wall of the air blowing pipe is fixedly connected with another branch pipe, one end of the branch pipe is fixedly connected with an air blowing joint, and the air blowing joint is in threaded connection with the D end of the four-way pipe.

By adopting the technical scheme, the air flow enters the four-way valve through the branch pipe, so that the feed liquid in the through hole of the valve core ball is blown out, the residual feed liquid in the valve core ball is reduced, and the pollution of the feed liquid to the valve core ball is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. during sampling, a vertical passage in the four-way valve is opened, feed liquid is discharged through the four-way valve, after sampling is completed, the vertical passage of the four-way valve is closed, a horizontal passage is opened, a closed pipe slides towards the direction close to the ground, a blowing mechanism is aligned with an air inlet, blowing air enters the lower end of the four-way valve from the air inlet, air flow is blocked and can only move towards the ground direction, so that the feed liquid adhered to the inner wall of the four-way valve is blown out, the feed liquid sliding out of the four-way valve after workers leave is effectively reduced and falls onto the ground;

2. the closed pipe slides to drive the vent ring to slide, when the vent cavity is aligned with the air inlet, the elastic air bag is extruded, air enters the C end of the four-way pipe through the air blowing pipe, the vent cavity and the air inlet, and the air flow drives the feed liquid on the inner wall of the C end of the four-way pipe to slide out from the lower end of the C end of the four-way pipe, so that the feed liquid sliding out from the four-way valve after leaving is effectively reduced from falling onto the ground, and the pollution to the ground is reduced;

3. the air flow enters the four-way valve through the branch pipe, so that the feed liquid in the through hole of the valve core ball is blown out, the residual feed liquid in the valve core ball is reduced, and the pollution of the feed liquid to the valve core ball is reduced.

Drawings

FIG. 1 is a schematic view of the connection of the present embodiment to a tapping pipe;

FIG. 2 is a schematic view of the overall structure of the present embodiment;

FIG. 3 is a schematic sectional view of a part of the structure of the present embodiment, which is mainly used for showing the four-way valve structure;

fig. 4 is another angle diagram of the whole structure of the present embodiment, which is mainly used for showing the blowing mechanism.

Description of reference numerals: 100. taking a material pipe; 200. a four-way valve; 210. a four-way pipe; 220. a valve core ball; 230. a through hole; 240. an air inlet; 250. a connecting ring; 260. a limiting ring; 270. a support bar; 280. a limiting block; 290. a limiting groove; 300. closing the tube; 310. a groove; 320. a sealing layer; 400. a blowing mechanism; 410. a venting ring; 420. an elastic air bag; 430. a one-way valve; 440. an air blowing pipe; 450. pipe distribution; 460. a blowing joint; 470. a vent lumen; 500. and a flow guide pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses bipolar membrane electrodialysis equipment discharging pipe sampling structure. Referring to fig. 1 and 2, a bipolar membrane electrodialysis device discharging pipe sampling structure comprises a discharging pipe 100 fixedly connected to the lower end of the discharging pipe, a four-way valve 200 is connected to the lower end of the discharging pipe 100 in a threaded manner, an inner passage of the four-way valve 200 is arranged in a straight line, an air inlet 240 (referring to fig. 3) is formed in the lower end of the four-way valve 200, a closed pipe 300 is connected to the outer wall of the lower end of the four-way valve 200 in a vertical sliding manner, an air blowing mechanism 400 is fixedly arranged on the.

During sampling, the vertical passage in the four-way valve 200 is opened, the feed liquid is discharged through the four-way valve 200, after sampling is completed, the vertical passage of the four-way valve 200 is closed, the horizontal passage is opened, the closed tube 300 slides towards the direction close to the ground, the air blowing mechanism 400 is aligned with the air inlet 240, the air blowing mechanism 400 blows air into the lower end of the four-way valve 200 from the air inlet 240, the air flow is blocked, and therefore the feed liquid adhered to the inner wall of the four-way valve 200 can only be blown out towards the ground direction, the phenomenon that the feed liquid sliding out of the four-way valve 200 falls onto the.

Referring to fig. 3, the four-way valve 200 includes a four-way pipe 210 screwed to the lower end of the material taking pipe 100, a valve core ball 220 is rotatably connected in the four-way pipe 210, the valve core ball 220 is tightly attached to the inner wall of the four-way pipe 210, the rotation axis of the valve core ball 220 is perpendicular to the material discharging direction, a through hole 230 is radially formed in the valve core ball 220 along the valve core ball 220, and the axis of the through hole 230 is perpendicular to the rotation axis of the valve core ball 220.

The valve core ball 220 rotates to drive the through hole 230 to rotate, so that the opening and closing of the vertical passage or the horizontal passage of the four-way valve 200 are realized, and the operation is simple and convenient.

Referring to fig. 2, four ends of the four-way pipe 210 are divided into an end a, an end B, an end C and an end D in the clockwise direction, and the end a is connected to the lower end of the material taking pipe 100 through threads.

Referring to fig. 3, the air inlet holes 240 are opened on the peripheral side wall of the end C of the four-way pipe 210, the closed pipe 300 is vertically and slidably connected to the outer side wall of the end C of the four-way pipe 210, and the closed pipe 300 shields the air inlet holes 240.

The closed pipe 300 shields the air inlet 240, thereby effectively reducing feed liquid leaking from the air inlet 240 and reducing pollution of the feed liquid to the outer wall of the four-way pipe 210.

Referring to fig. 3, a groove 310 is formed in the inner wall of the closed tube 300, a sealing layer 320 is clamped in the groove 310, and the sealing layer 320 is made of rubber. The sealing layer 320 can increase the sealing performance of the closed tube 300, and further reduce the amount of liquid leaking from the air inlet holes 240.

Referring to fig. 3 and 4, the blowing mechanism 400 includes an elastic airbag 420, the two ends of the elastic airbag 420 are both fixedly connected with one-way valves 430, the air flow directions of the one-way valves 430 are the same, the air outlet end of the elastic airbag 420 is fixedly connected with a blowing pipe 440, the upper end of the closed pipe 300 is fixedly connected with a ventilation ring 410, the inner wall of the ventilation ring 410 abuts against the side wall of the C end of the four-way pipe 210, a ventilation cavity 470 is formed in the ventilation ring 410, the opening of the ventilation cavity 470 faces the C end of the four-way pipe 210, and the blowing pipe.

The closed pipe 300 slides to drive the vent ring 410 to slide, when the vent cavity 470 is aligned with the air inlet hole 240, the elastic air bag 420 is extruded, air enters the end C of the four-way pipe 210 through the air blowing pipe 440, the vent cavity 470 and the air inlet hole 240, and the air flow drives the feed liquid on the inner wall of the end C of the four-way pipe 210 to slide out from the lower end of the end C of the four-way pipe 210, so that the feed liquid sliding out from the four-way valve 200 after workers leave is effectively reduced and falls onto the ground, and the pollution to.

Referring to fig. 4, a connection ring 250 is fixedly connected to one side of the four-way pipe 210, and an air blowing pipe 440 passes through the connection ring 250.

The connecting ring 250 suspends the blowing tube 440 and the elastic air bag 420 at the current position, which is convenient for the operator to use.

Referring to fig. 3, a limiting ring 260 is fixedly connected to the peripheral side wall of the end of the four-way pipe 210C, and the limiting ring 260 is located below the closed pipe 300.

The closed tube 300 slides towards the direction close to the ground, when the lower end of the closed tube 300 is abutted to the limiting ring 260, the vent cavity 470 is aligned with the air inlet hole 240, the limiting ring 260 plays a positioning role, and the influence on the air blowing effect due to the dislocation of the vent cavity 470 and the air inlet hole 240 is effectively reduced.

Referring to fig. 3, a support rod 270 is vertically and slidably connected to the limit ring 260, and a bolt is coaxially and fixedly connected to the lower end of the support rod 270 and is in threaded connection with the limit ring 260.

The supporting rod 270 supports the closed pipe 300, and the bolt fixes the supporting rod 270 at the current position to prevent the closed pipe 300 from falling under the influence of gravity, so that the influence of the dislocation of the closed pipe 300 and the air inlet hole 240 on the sealing effect is reduced.

Referring to fig. 3, the upper end of the supporting rod 270 is fixedly connected with a limiting block 280, the upper end surface of the limiting ring 260 is provided with a limiting groove 290, and the limiting block 280 is clamped in the limiting groove 290.

When the closed pipe 300 needs to descend, the bolt is screwed to separate the bolt from the limit ring 260, the support rod 270 descends, the limit block 280 is clamped in the limit groove 290, and the support rod 270 is prevented from slipping from the limit ring 260.

Referring to fig. 4, another branch pipe 450 is fixedly connected to a sidewall of the blowing pipe 440, a blowing joint 460 is fixedly connected to one end of the branch pipe 450, and the blowing joint 460 is threadedly connected to a D end of the four-way pipe 210.

The air current enters into the four-way valve 200 through the branch pipe 450, so that the feed liquid in the through hole 230 of the valve core ball 220 is blown out, the residual feed liquid in the valve core ball 220 is reduced, and the pollution of the feed liquid to the valve core ball 220 is reduced.

Referring to fig. 4, the end of the four-way pipe 210B is fixedly connected with a flow guide pipe 500, and the end of the flow guide pipe 500 far away from the four-way pipe 210 is bent to the end near the four-way pipe 210C.

The feed liquid in the horizontal path of the four-way valve 200 is guided into the sampling barrel below by the guide pipe 500, so that the pollution to the four-way valve 200 caused by the feed liquid flowing to the outer wall of the four-way valve 200 is effectively reduced.

The implementation principle of bipolar membrane electrodialysis equipment discharging pipe sampling structure of the embodiment of the application is as follows: during sampling, a vertical passage in the four-way valve 200 is opened, and the feed liquid is discharged through the four-way valve 200.

After sampling is finished, the vertical passage of the four-way valve 200 is closed, the horizontal passage is opened, the closed pipe 300 slides to drive the vent ring 410 to slide, when the vent cavity 470 is aligned with the air inlet hole 240, the elastic air bag 420 is squeezed, air enters the end C of the four-way pipe 210 through the air blowing pipe 440, the vent cavity 470 and the air inlet hole 240, and the air flow drives the feed liquid on the inner wall of the end C of the four-way pipe 210 to slide out from the lower end of the end C of the four.

The air flow enters the four-way valve 200 through the branch pipe 450, so that the material liquid in the through hole 230 of the valve core ball 220 is blown out, and the material liquid in the horizontal path of the four-way valve 200 is guided into the sampling barrel below by the guide pipe 500.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bipolar membrane electrodialysis equipment discharging pipe sample structure which characterized in that: the material taking pipe is fixedly connected to the lower end of the discharging pipe (100), a four-way valve (200) is in threaded connection with the lower end of the material taking pipe (100), an inner passage of the four-way valve (200) is linearly arranged, an air inlet hole (240) is formed in the lower end of the four-way valve (200), a closed pipe (300) is vertically and slidably connected to the outer wall of the lower end of the four-way valve (200), a blowing mechanism (400) is fixedly arranged on the side wall of the four-way valve (200), and one end of the blowing mechanism (400).

2. The sampling structure of the discharging pipe of the bipolar membrane electrodialysis device according to claim 1, characterized in that: the four-way valve (200) comprises a four-way pipe (210) in threaded connection with the lower end of the material taking pipe (100), a valve core ball (220) is rotationally connected in the four-way pipe (210), the valve core ball (220) is tightly attached to the inner wall of the four-way pipe (210), the rotation axis of the valve core ball (220) is perpendicular to the discharging direction, a through hole (230) is radially formed in the valve core ball (220) along the valve core ball (220), and the axis of the through hole (230) is perpendicular to the rotation axis of the valve core ball (220).

3. The sampling structure of the discharging pipe of the bipolar membrane electrodialysis device according to claim 2, characterized in that: four ends of four-way pipe (210) divide into A end, B end, C end and D end along the clockwise, four-way pipe (210) A end threaded connection is in getting material pipe (100) lower extreme, inlet port (240) are seted up in four-way pipe (210) C end week lateral wall, the vertical sliding connection of closed tube (300) is in four-way pipe (210) C end lateral wall, closed tube (300) shelter from inlet port (240).

4. The sampling structure of the discharging pipe of the bipolar membrane electrodialysis device according to claim 3, characterized in that: the inner wall of the closed pipe (300) is provided with a groove (310), a sealing layer (320) is clamped in the groove (310), and the sealing layer (320) is made of rubber.

5. The sampling structure of the discharge pipe of the bipolar membrane electrodialysis device according to claim 4, wherein: blowing mechanism (400) includes elasticity gasbag (420), the equal fixedly connected with check valve (430) in elasticity gasbag (420) both ends, check valve (430) air current direction is the same, elasticity gasbag (420) give vent to anger fixedly connected with gas blow pipe (440), closed tube (300) upper end fixedly connected with ventilates ring (410), ventilate ring (410) inner wall butt in four-way pipe (210) C end lateral wall, it ventilates chamber (470) to have seted up in ring (410), ventilate chamber (470) opening towards four-way pipe (210) C end, gas blow pipe (440) and ventilate chamber (470) intercommunication.

6. The sampling structure of the discharging pipe of the bipolar membrane electrodialysis device according to claim 5, wherein: one side of the four-way pipe (210) is fixedly connected with a connecting ring (250), and the air blowing pipe (440) penetrates through the connecting ring (250).

7. The sampling structure of the discharge pipe of the bipolar membrane electrodialysis device according to claim 6, wherein: the side wall of the C end periphery of the four-way pipe (210) is fixedly connected with a limiting ring (260), and the limiting ring (260) is positioned below the closed pipe (300).

8. The sampling structure of the discharging pipe of the bipolar membrane electrodialysis device according to claim 7, wherein: the side wall of the air blowing pipe (440) is fixedly connected with another branch pipe (450), one end of the branch pipe (450) is fixedly connected with an air blowing joint (460), and the air blowing joint (460) is in threaded connection with the D end of the four-way pipe (210).