CN213726556U

CN213726556U - Automatic ion exchange device for measuring content of sodium sulfate

Info

Publication number: CN213726556U
Application number: CN202022111746.3U
Authority: CN
Inventors: 孟宪冬; 王连旺; 高雄; 王海生
Original assignee: Beijing Chemical Reagents Research Institute LLC
Current assignee: Beijing Chemical Reagents Research Institute LLC
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-07-20
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to an automatic ion exchange device of survey sodium sulfate content, the test platform comprises a table top, the interval has been placed sample finished product cup and sample on the mesa and has been dissolved the cup, be provided with the ion exchange column of vertical setting directly over the sample finished product cup, be provided with on the mesa and be used for carrying out the centre gripping subassembly of centre gripping to the ion exchange column, the one end that the ion exchange column is close to sample finished product cup is connected with and stretches into the exchange column outlet pipe to sample finished product cup inside, the one end that sample finished product cup was kept away from to the ion exchange column is connected with and stretches into to the sample and dissolves the inside appearance pipe of cup, be provided with the peristaltic pump that is used for extrudeing the appearance pipe and advances to advance on the mesa. The method has the advantages of being simple in operation, free of personnel watching, saving labor cost, avoiding operation errors and improving the accuracy of experiments.

Description

Automatic ion exchange device for measuring content of sodium sulfate

Technical Field

In particular to an automatic ion exchange device for measuring the content of sodium sulfate.

Background

The traditional method for measuring the content of sodium sulfate comprises the steps of weighing a certain amount of sample, preparing a sodium sulfate solution, pouring the sodium sulfate solution into a strong-cation ion exchange column, repeatedly washing the sample container for many times, exchanging leacheate together, continuously pouring pure water into the exchange column until the exchanged solution is neutral, and then carrying out titration operation.

Need the laboratory technician to guard all the time in the above-mentioned operation, careless will lead to ion exchange column upper end liquid to spill over or post interior liquid to empty for experimental accuracy is not high, and repeatability is relatively poor, and final experiment even fails. The whole experiment process is time-consuming and labor-consuming, needs a laboratory technician to operate carefully for a long time, and is difficult to be competent by laboratory technicians with insufficient experience.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of low accuracy, poor repeatability, time consumption and labor consumption existing in the conventional sodium sulfate content measuring process, the application provides the automatic ion exchange device for measuring the sodium sulfate content.

The application provides an automatic ion exchange device of survey sodium sulfate content adopts following technical scheme:

the utility model provides an automatic ion exchange device of survey sodium sulfate content, includes the mesa, the interval has been placed sample finished product cup and sample on the mesa and has been dissolved the cup, be provided with the ion exchange column of vertical setting directly over the sample finished product cup, be provided with the centre gripping subassembly that is used for carrying out the centre gripping to the ion exchange column on the mesa, the one end that the ion exchange column is close to sample finished product cup is connected with and stretches into the exchange column outlet pipe to sample finished product cup inside, the one end that sample finished product cup was kept away from to the ion exchange column is connected with and stretches into to the sample and dissolves the inside appearance pipe of cup, be provided with the peristaltic pump that is used for the extrusion appearance pipe to advance on the mesa.

Through adopting above-mentioned technical scheme, adopt the centre gripping subassembly, the ion exchange column centre gripping is directly over the sample finished product cup, set up through the parameter to the peristaltic pump, come the speed and the time of control appearance through time setting ware and flow control valve, adjust into the sample introduction speed and the sample outflow speed behind the ion exchange column exchange unanimous, the time is set into the required time of appearance and abundant drip washing ion exchange column, after finishing ion exchange, to wherein sample solution titrates the operation, at this in-process, and is easy operation, need not personnel's guard, practice thrift the cost of labor and avoided the operating error simultaneously, the degree of accuracy of experiment has been improved, the poor reproducibility scheduling problem has been improved.

The present application may be further configured in a preferred example to: one end of the ion exchange column, which is far away from the sample finished product cup, is connected with an adjusting pipe for adjusting the height position of the liquid level in the ion exchange column, and an adjusting switch valve is fixedly arranged on the adjusting pipe.

By adopting the technical scheme, the liquid level in the ion exchange column can reach the required liquid level by adjusting the switch valve, the height of the page can be maintained all the time after the closing, and the liquid in the resin can be emptied by opening when the resin needs to be emptied.

The present application may be further configured in a preferred example to: the utility model discloses a table top, including the mesa, the fixed grip block that fixedly connected with and vertical setting's branch on the mesa, the centre gripping subassembly includes the fixed grip block that is connected and the level sets up with branch, parallel and relative movable grip block that sets up with fixed grip block, activity run through behind the movable grip block with fixed grip block fixed connection's screw rod and with screw rod threaded connection and laminate in the adjusting nut that the movable grip block deviates from fixed grip block one side.

Through adopting above-mentioned technical scheme, adjusting nut can be close to the direction of fixed grip block to the activity grip block in the axial direction screw drive along the screw rod, presss from both sides the outer wall of tight ion exchange column mutually through fixed grip block and the relative one side of activity grip block, makes the ion exchange column can be stabilized between fixed grip block and activity grip block.

The present application may be further configured in a preferred example to: the fixed clamping plate is provided with a first arc-shaped groove matched with the outer wall of the ion exchange column towards one side of the movable clamping plate, and the movable clamping plate is provided with a second arc-shaped groove matched with the outer wall of the ion exchange column towards one side of the fixed clamping plate.

Through adopting above-mentioned technical scheme, first arc recess and second arc recess and ion exchange column's outer wall looks adaptation, the setting up of first arc recess and second arc recess increased with the area of contact of ion exchange column outer wall, better carry out the centre gripping to ion exchange column's outer wall.

The present application may be further configured in a preferred example to: a first anti-skid rubber pad is arranged in the first arc-shaped groove, and a second anti-skid rubber pad is arranged in the second arc-shaped groove.

Through adopting above-mentioned technical scheme, setting up of first anti-skidding rubber pad and second anti-skidding rubber pad has increased with the frictional resistance of ion exchange column outer wall for the ion exchange column is by the more stable of centre gripping between fixed grip block and removal grip block, can also play the effect of buffering simultaneously, avoids fixed grip block and removal grip block directly to carry out the centre gripping to the outer wall of ion exchange column and cause wearing and tearing.

The present application may be further configured in a preferred example to: the fixed clamping plate is provided with a sliding hole matched with the supporting rod, the supporting rod penetrates through the sliding hole of the fixed clamping plate, and the fixed clamping plate is provided with a fixing part which is used for keeping the fixed clamping plate and the supporting rod relatively fixed after sliding.

Through adopting above-mentioned technical scheme, fixed grip block can slide on branch, can adjust the clamping position of fixed grip block to the ion exchange column.

The present application may be further configured in a preferred example to: the fixing clamping plate is provided with a threaded hole communicated with the sliding hole, the fixing piece comprises a fixing bolt, and one end of the fixing bolt is in threaded connection with the outer wall of the supporting rod and then is tightly pressed on the outer wall of the supporting rod.

Through adopting above-mentioned technical scheme, adopt fixing bolt and the screw hole threaded connection of fixed grip block, fixing bolt can compress tightly in the outer wall of branch in screw drive, realizes the auto-lock through the screw hole of fixing bolt and fixed grip block and makes fixed grip block keep stable after sliding.

The present application may be further configured in a preferred example to: the utility model discloses an ion exchange column, including branch, bracing piece, one end fixedly connected with cover ring, first arc recess with the centre of a circle of second arc recess, the one end fixedly connected with cover ring of branch is kept away from to the bracing piece on the branch with fixed grip block interval fixedly connected with bracing piece, the bracing piece level sets up, the one end fixedly connected with of branch cover ring is kept away from to the bracing piece, the centre of a circle of cover ring with first arc recess with the centre of a circle of second arc recess is on same vertical line, the interior perisporium of cover ring is laminated with the outer peripheral wall of ion exchange column mutually.

Through adopting above-mentioned technical scheme, adopt the bell and spigot joint ring can guarantee that the ion exchange column keeps vertical state, the fixed grip block of being convenient for and removal grip block centre gripping to the ion exchange column.

The present application may be further configured in a preferred example to: the utility model discloses a lithium ion exchange column, including cover ring, internal peripheral wall, compression spring, the internal peripheral wall of cover ring has a plurality of arc piece that equidistant distribution of internal peripheral wall circumference has, be connected with compression spring between the outer curved surface of arc piece and the internal peripheral wall of cover ring, the laminating is mutually distinguished to the inner curved surface of arc piece and ion exchange column's peripheral wall.

Through adopting above-mentioned technical scheme, the arc piece can be adjusted according to ion exchange column's size, and the arc piece after the regulation still can laminate mutually with ion exchange column's outer wall.

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

1. the method comprises the following steps of clamping an ion exchange column right above a sample finished product cup by adopting a clamping assembly, setting parameters of a peristaltic pump, controlling the speed and time of sample introduction by a time setter and a flow regulating valve, regulating the sample introduction speed to be consistent with the sample outflow speed after ion exchange column exchange, setting the time to be the time required by sample introduction and sufficient elution of the ion exchange column, and titrating the sample solution after ion exchange is finished;

2. the arc piece can be adjusted according to the size of ion exchange column, and the arc piece after adjusting still can laminate mutually with the outer wall of ion exchange column.

Drawings

FIG. 1 is a schematic diagram of an automatic ion exchange device for measuring sodium sulfate content according to an embodiment of the present application;

FIG. 2 is an exploded view of the upper sealing plug, the ion exchange column and the lower sealing plug in the embodiment of the present application;

FIG. 3 is a schematic diagram showing the structure between the bar, the clamping assembly and the socket ring in an embodiment of the present application;

FIG. 4 is a schematic structural view of a clamping assembly shown in an embodiment of the present application;

FIG. 5 is a schematic diagram showing the structure of a strut and a socket ring in an embodiment of the present application.

In the figure, 1, a table top; 11. a support leg; 2. a sample finished product cup; 3. a sample dissolution cup; 4. an ion exchange column; 41. a lower sealing plug; 411. a lower via hole; 412. an exchange column outlet pipe; 42. an upper sealing plug; 421. an upper plug hole; 4211. an adjusting tube; 42111. adjusting a switch valve; 422. an upper via hole; 4221. a sample inlet pipe; 5. a peristaltic pump; 6. a support; 61. a strut; 611. mounting a plate; 6111. a sliding hole; 6112. a threaded hole; 7. fixing the bolt; 81. fixing the clamping plate; 811. a first arc-shaped groove; 8111. a first anti-skid rubber pad; 82. a movable clamping plate; 821. a second arc-shaped groove; 8211. a second anti-skid rubber pad; 83. a screw; 84. adjusting the nut; 9. a buffer spring; 101. a support bar; 1011. a sleeving connection ring; 102. an arc-shaped sheet; 103. compressing the spring.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses survey automatic ion exchange device of sodium sulfate content, refers to figure 1, including mesa 1, the lower fixed surface of mesa 1 is connected with four landing legs 11, and four landing legs 11 are vertical to be set up and are located four tip positions department of mesa 1 respectively.

Referring to fig. 1 and 2, a sample finished product cup 2 and a sample dissolving cup 3 are placed on the upper surface of a table board 1 at intervals, an ion exchange column 4 is arranged right above the sample finished product cup 2, the ion exchange column 4 is vertically arranged, and the lower end of the ion exchange column 4 is arranged at intervals with the cup mouth of the sample finished product cup 2. A lower sealing plug 41 is plugged into a lower end pipe orifice of the ion exchange column 4, a lower through hole 411 is formed in the lower sealing plug 41, an exchange column outlet pipe 412 is inserted into the lower through hole 411 of the lower sealing plug 41, the exchange column outlet pipe 412 is vertically arranged, and the upper end of the exchange column outlet pipe 412 is positioned in the lower through hole 411 of the lower sealing plug 41, so that liquid in the ion exchange column 4 can flow into the exchange column outlet pipe 412 from the lower through hole 411. The lower end of column outlet tube 412 extends from the mouth of the product sample cup 2 into the product sample cup 2.

An upper sealing plug 42 is plugged in the upper end pipe orifice of the ion exchange column 4, an upper via hole 422 and an upper plug hole 421 are arranged on the upper sealing plug 42, and the upper via hole 422 and the upper plug hole 421 are arranged at intervals. A sampling tube 4221 is inserted into the upper through hole 422 of the upper sealing plug 42, and the other end of the sampling tube 4221 extends into the sample dissolving cup 3 after passing through the peristaltic pump 5. The flow rate of the peristaltic pump 5 is adjusted in a timing manner, the sample introduction speed and time can be controlled through a time setter and a flow rate adjusting valve, the sample introduction speed is adjusted to be consistent with the sample outflow speed after the ion exchange column 4 is exchanged, and the time is set to be the time required for sample introduction and sufficient elution of the ion exchange column 4.

An adjusting pipe 4211 extending outwards is inserted into the upper plug hole 421 of the upper sealing plug 42, and an adjusting switch valve 42111 is fixedly connected to the adjusting pipe 4211. The adjusting switch valve 42111 can control the air tightness of the ion exchange column 4, the liquid level in the ion exchange column 4 can reach the required liquid level through the adjusting valve, the height of the page can be maintained all the time after the sealing, and the adjusting switch valve 42111 can be opened to empty the liquid in the resin when the resin needs to be emptied.

Referring to fig. 1 and 3, a support 6 is fixedly connected to the table top 1, a support rod 61 is fixedly connected to the support 6, the support rod 61 is vertically arranged, a mounting plate 611 is slidably arranged on the support rod 61, and the mounting plate 611 is horizontally arranged.

Referring to fig. 3 and 4, the mounting plate 611 is provided with a sliding hole 6111, the support rod 61 penetrates through the sliding hole 6111 of the mounting plate 611, and the mounting plate 611 slides along the height direction of the support rod 61. The mounting plate 611 is provided with a fixing member which is used for keeping the mounting plate 611 fixed relative to the support rod 61 after sliding, the side wall of the mounting plate 611 is provided with a threaded hole 6112 communicated with the sliding hole 6111, the fixing member comprises a fixing bolt 7, and one end of the fixing bolt 7 is in threaded connection with the threaded hole 6112 and then is pressed on the outer wall of the support rod 61.

Referring to fig. 1 and 4, a clamping assembly is arranged on the end of the mounting plate 611 far away from the supporting rod 61, the clamping assembly is used for clamping the ion exchange column 4, the clamping assembly comprises a fixed clamping plate 81, a movable clamping plate 82, a screw 83 and an adjusting nut 84, the fixed clamping plate 81 and the movable clamping plate 82 are arranged on the same horizontal plane and are parallel and opposite to each other, one end of the fixed clamping plate 81 is fixedly connected to the end of the mounting plate 611 far away from the supporting rod 61, and the length direction of the fixed clamping plate 81 is parallel to the length direction of the mounting plate 611. The length direction of the movable holding plate 82 is parallel to the length direction of the mounting plate 611, and the movable holding plate 82 moves toward or away from the fixed holding plate 81. The screw rods 83 are arranged in two, the two screw rods 83 are arranged at intervals along the length direction of the parallel fixed clamping plate 81, the axis direction of the screw rods 83 is perpendicular to the length direction of the fixed clamping plate 81, one end of each screw rod 83 is fixedly connected to one side, facing the movable clamping plate 82, of the fixed clamping plate 81, the other end of each screw rod 83 movably penetrates through the movable clamping plate 82, two through holes for the two screw rods 83 to penetrate through are formed in the movable clamping plate 82 in an interval mode, and the through holes are matched with the screw rods 83. The number of the adjusting nuts 84 is two, the two adjusting nuts 84 correspond to the two screws 83, and the adjusting nuts 84 are connected to the screws 83 in a threaded manner and attached to one side, away from the fixed clamping plate 81, of the movable clamping plate 82.

The screw 83 is sleeved with a buffer spring 9, the axial direction of the buffer spring 9 is consistent with the axial direction of the screw 83, the buffer spring 9 is positioned between the fixed clamping plate 81 and the movable clamping plate 82, one end of the buffer spring 9 is fixedly connected with one side of the fixed clamping plate 81, which faces the movable clamping plate 82, and the other end of the buffer spring is fixedly connected with one side of the movable clamping plate 82, which faces the fixed clamping plate 81. Fixed clamping plate 81 has seted up first arc recess 811 towards one side of activity clamping plate 82, and first arc recess 811 is located between two screw rods 83, and first arc recess 811 and ion exchange column 4's outer wall looks adaptation, and first anti-skidding rubber pad 8111 bonds in the first arc recess 811.

One side of the movable clamping plate 82 facing the fixed clamping plate 81 is provided with a second arc-shaped groove 821 matched with the outer wall of the ion exchange column 4, the notch of the second arc-shaped groove 821 is opposite to the notch of the first arc-shaped groove 811, and a second anti-skid rubber pad 8211 is bonded in the second arc-shaped groove 821. Ion exchange column 4 wears to locate in first arc recess 811 and second arc recess 821, and the outer wall of ion exchange column 4 and first anti-skidding rubber pad 8111 and the setting of laminating mutually of second anti-skidding rubber pad 8211.

Referring to fig. 3 and 5, the supporting rod 61 is located below the mounting plate 611 and is fixedly connected with the supporting rod 101 at an interval, the supporting rod 101 is horizontally arranged, the length direction of the supporting rod 101 is parallel to the length direction of the mounting plate 611, one end of the supporting rod 101, which is far away from the supporting rod 61, is fixedly connected with a socket ring 1011, the socket ring 1011 is horizontally arranged, and the circle center of the socket ring 1011 is on the same vertical line with the circle centers of the first arc-shaped groove 811 and the second arc-shaped groove 821. Three arcs 102 are distributed to the internal perisporium circumference of cup joint ring 1011, laminate end to end in proper order between three arcs 102, the outer curved surface of arc 102 and the inner wall interval setting of cup joint ring 1011, fixedly connected with compression spring 103 between the outer curved surface of arc 102 and the internal perisporium of cup joint ring 1011, compression spring 103's axis direction is through the centre of a circle of cup joint ring 1011, three arcs 102 are worn to locate by the lower extreme of ion exchange column 4, the inner curved surface of arc 102 laminates with the outer wall of ion exchange column 4 mutually.

The implementation principle of the embodiment is as follows: weighing a proper amount of sodium sulfate sample in the sample dissolving cup 3, preparing the sodium sulfate sample into a solution, waiting for ion exchange, penetrating the lower end of the ion exchange column 4 between the fixed clamping plate 81 and the movable clamping plate 82 and extending to the space between the three arc-shaped sheets 102, simultaneously screwing the two adjusting nuts 84 to enable the two adjusting nuts 84 to carry out thread transmission on the screw 83, enabling the movable clamping plate 82 to approach towards the fixed clamping plate 81 when the adjusting nuts 84 are in thread transmission until the second anti-skid rubber pad 8211 in the second arc-shaped groove 821 of the movable clamping plate 82 and the first anti-skid rubber pad 8111 in the first arc-shaped groove 811 of the fixed clamping plate 81 clamp the ion exchange column 4, after the ion exchange column 4 is clamped, extending one end of the sample inlet tube 4221 into the bottom of the sample dissolving cup 3, passing through the peristaltic pump 5, and inserting the other end of the sample inlet tube 4221 into the ion exchange column 4 from the upper through hole 422 of the upper sealing plug 42, and sealing, the lower end of the exchange column outlet pipe 412 at the lower end of the ion exchange column 4 extends into the sample finished product cup 2 from the cup mouth of the sample finished product cup 2, the flow rate is adjusted at regular time for the peristaltic pump 5, the sample introduction speed and time are controlled by a time setter and a flow rate adjusting valve, the sample introduction speed and the sample outflow speed after the ion exchange column 4 is exchanged are adjusted to be consistent, the time is set to be the time required for sample introduction and sufficient elution of the ion exchange column 4, and after the ion exchange is finished, the titration operation is carried out on the sample solution in the sample introduction speed and the sample outflow speed.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the 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. An automatic ion exchange device for measuring the content of sodium sulfate comprises a table board (1), and is characterized in that: placed sample finished product cup (2) and sample dissolving cup (3) at the interval on mesa (1), be provided with ion exchange column (4) of vertical setting directly over sample finished product cup (2), be provided with the centre gripping subassembly that is used for carrying out the centre gripping to ion exchange column (4) on mesa (1), the one end that ion exchange column (4) are close to sample finished product cup (2) is connected with and stretches into to the inside exchange column outlet pipe (412) of sample finished product cup (2), the one end that sample finished product cup (2) were kept away from in ion exchange column (4) is connected with and stretches into to sample dissolving cup (3) inside sample inlet pipe (4221), be provided with peristaltic pump (5) that are used for extruding sample inlet pipe (4221) and advance the appearance on mesa (1).

2. The automatic ion exchange device for measuring sodium sulfate content according to claim 1, characterized in that: one end of the ion exchange column (4) far away from the sample finished product cup (2) is connected with an adjusting pipe (4211) used for adjusting the height position of the liquid level in the ion exchange column (4), and an adjusting switch valve (42111) is fixedly arranged on the adjusting pipe (4211).

3. The automatic ion exchange device for measuring sodium sulfate content according to claim 1, characterized in that: fixedly connected with and vertical branch (61) that sets up on mesa (1), the centre gripping subassembly includes fixed grip block (81) that is connected and the level sets up with branch (61), with movable grip block (82) that fixed grip block (81) parallel and relative set up, activity run through behind movable grip block (82) with fixed grip block (81) fixed connection's screw rod (83) and with screw rod (83) threaded connection and laminate in adjustable grip block (82) and deviate from adjusting nut (84) on one side of fixed grip block (81).

4. The automatic ion exchange device for measuring sodium sulfate content according to claim 3, characterized in that: fixed grip block (81) one side towards activity grip block (82) is seted up with first arc recess (811) of ion exchange column (4) outer wall looks adaptation, second arc recess (821) of ion exchange column (4) outer wall looks adaptation is seted up towards one side of fixed grip block (81) in activity grip block (82).

5. The automatic ion exchange device for measuring sodium sulfate content according to claim 4, characterized in that: a first anti-skid rubber pad (8111) is arranged in the first arc-shaped groove (811), and a second anti-skid rubber pad (8211) is arranged in the second arc-shaped groove (821).

6. The automatic ion exchange device for measuring sodium sulfate content according to claim 3, characterized in that: the fixed clamping plate (81) is provided with a sliding hole (6111) matched with the supporting rod (61), the supporting rod (61) penetrates through the sliding hole (6111) of the fixed clamping plate (81), and a fixing part used for enabling the fixed clamping plate (81) to keep relatively fixed with the supporting rod (61) after sliding is arranged on the fixed clamping plate (81).

7. The automatic ion exchange device for measuring sodium sulfate content according to claim 6, characterized in that: the fixing clamping plate (81) is provided with a threaded hole (6112) communicated with the sliding hole (6111), the fixing piece comprises a fixing bolt (7), and one end of the fixing bolt (7) is in threaded connection with the threaded hole (6112) and then is pressed on the outer wall of the supporting rod (61).

8. The automatic ion exchange device for measuring sodium sulfate content according to claim 4, characterized in that: support rod (61) go up and fixed grip block (81) interval fixedly connected with bracing piece (101), bracing piece (101) level sets up, one end fixedly connected with cover ring (1011) of branch (61) are kept away from in bracing piece (101), the centre of a circle of cover ring (1011) with first arc recess (811) with the centre of a circle of second arc recess (821) is on same vertical line, the internal perisporium of cover ring (1011) is laminated with the outer peripheral wall of ion exchange column (4).

9. The automatic ion exchange device for measuring sodium sulfate content according to claim 8, wherein: the utility model discloses a novel ion exchange column, including cover ring (1011), the interior perisporium of cover ring (1011) has a plurality of arc piece (102) that equidistant distribution of internal perisporium circumference has, be connected with compression spring (103) between the outer curved surface of arc piece (102) and the interior perisporium of cover ring (1011), the laminating of the outer curved surface of arc piece (102) and the outer peripheral wall of ion exchange column (4) is mutually laminated.