CN212748834U

CN212748834U - Kjeldahl nitrogen determination liquid feeding device

Info

Publication number: CN212748834U
Application number: CN202021633292.XU
Authority: CN
Inventors: 杨淼; 胡胜男; 王青燕
Original assignee: Henan Shunxin Testing Technology Co ltd
Current assignee: Henan Shunxin Testing Technology Co ltd
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-03-19
Anticipated expiration: 2030-08-08

Abstract

The utility model discloses a Kjeldahl azotometer liquid feeding device relates to Kjeldahl azotometer technical field, has certain inconvenience if need the liquid feeding when using for solving current Kjeldahl azotometer device of proposing, and the device lacks the problem of flexibility ratio when using. First support lower extreme is provided with first base, be provided with movable clamp in the first support, be provided with the reaction tube in the activity clamp, the reaction tube front end is provided with the steam pipe, the steam pipe is the L type, steam pipe lower extreme is provided with fixed stopper mouth, fixed stopper mouth lower extreme is provided with the steam generation bottle, steam generation bottle and fixed stopper mouth swing joint, steam generation bottle lower extreme is provided with the second base, second base lower extreme is provided with the supporting leg that three equidistance distributes, first support one side is provided with the second support, the second support is located the activity and presss from both sides the top, second support one side is provided with first movable circle, first movable circle one side is provided with the filling opening.

Description

Kjeldahl nitrogen determination liquid feeding device

Technical Field

The utility model relates to a Kjeldahl nitrogen determination technical field specifically is a Kjeldahl nitrogen liquid feeding device.

Background

The Kjeldahl method is a classical method for determining the total nitrogen content in a compound or a mixture, namely, digesting a sample by concentrated sulfuric acid in the presence of a catalyst to convert all organic nitrogen into inorganic ammonium salt, then converting the ammonium salt into ammonia under an alkaline condition, distilling out the ammonia along with water vapor and absorbing the ammonia by excessive boric acid solution, and titrating by standard hydrochloric acid to calculate the nitrogen content in the sample.

As kjeldahl nitrogen is widely used in some chemical laboratories, the requirements for the device are gradually increased, so that convenience of a bonding experiment is more required when the kjeldahl nitrogen device is used, but the existing kjeldahl nitrogen device has certain inconvenience when liquid needs to be added during use, and the device lacks flexibility during use.

Disclosure of Invention

An object of the utility model is to provide a Kjeldahl nitrogen fixation liquid feeding device to there is certain inconvenience if need the liquid feeding when solving the nitrogen fixation device of Kjeldahl in the above-mentioned background art, and the device lacks the problem of flexibility ratio when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a Kjeldahl nitrogen-fixing liquid feeding device, includes first support, first support lower extreme is provided with first base, be provided with movable clamp in the first support, be provided with the reaction tube in the movable clamp, the reaction tube front end is provided with the steam pipe, the steam pipe is the L type, steam pipe lower extreme is provided with fixed bung hole, fixed bung hole lower extreme is provided with the steam generation bottle, the steam generation bottle is connected with fixed bung hole swing joint, steam generation bottle lower extreme is provided with the second base, second base lower extreme is provided with the supporting leg that three equidistance distributes, first support one side is provided with the second support, the second support is located movable clamp top, second support one side is provided with first movable circle, first movable circle one side is provided with the filling opening.

Preferably, reaction tube one side is provided with the conduction pipe, the conduction pipe lower extreme is provided with the condenser pipe, the conduction pipe is provided with the absorption cup through the condenser pipe lower extreme, absorption cup one side is provided with the third support, the third support with absorb cup swing joint, third support one side is provided with the second and moves about the circle, the second moves about circle and first support swing joint, second moves about the circle front end and is provided with first fastening bolt.

Preferably, the lower end of the liquid filling port is provided with a guide port, the lower end of the guide port is provided with a first guide pipe, the lower end of the guide port is provided with a first sliding groove, the upper end of the first guide pipe is provided with a clamping block, and the clamping block is in sliding connection with the first sliding groove.

Preferably, be provided with second fastening bolt in the first movable ring, be provided with the second pipe in the reaction tube, second pipe upper end is through reaction tube and steam conduit swing joint, the reaction tube upper end is provided with the liquid feeding pipe, the liquid feeding pipe upper end is provided with the rubber buffer, rubber buffer and liquid feeding pipe swing joint, the liquid feeding pipe staggers mutually with steam conduit position.

Preferably, the upper end of the steam guide pipe is provided with a feeding pipe, the upper end of the feeding pipe is provided with a screw cap, a safety pipe is arranged in the fixed plug port and is positioned on one side of the steam guide pipe, symmetrical support bottoms and two L-shaped support bottoms are arranged in the second base, symmetrical threaded rods are arranged in the second base, the front ends of the threaded rods are movably connected with the support bottoms, and the rear ends of the threaded rods are provided with symmetrical rotating rods through the second base.

Preferably, it is three all seted up the second spout in the supporting leg, it is three be provided with the container between the second spout, the container outer end all is provided with the slider through the second spout, it is three the spacing hole that a plurality of equidistance distributes, a plurality of are all seted up to the supporting leg outer end the spacing downthehole inserted bar that is provided with, it is three inserted bar and slider swing joint.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this Kjeldahl nitrogen adding liquid device, the second base through setting up provides the support for the steam generation bottle and has replaced original tight fixed mode of clamp, and the filling opening and the first movable circle of setting can install the device of the liquid feeding of being convenient for on current device, it is more direct convenient to make the operation, height about the first movable circle can be adjusted according to the use needs simultaneously, the condenser pipe also can adjust fixed position under the drive of second movable circle through the third support that sets up, be convenient for operate this structure experimental apparatus and provide convenience, the effect of guide can be played through the guide opening that sets up simultaneously, and the first pipe that sets up can reciprocate in the guide opening through fixture block and first spout, the liquid feeding department is put into to the convenience with first pipe, convenient operation is difficult not hard up yet.

2. This Kjeldahl nitrogen liquid feeding device, can provide fixed effect for first movable circle through the second fastening bolt that sets up, the liquid feeding pipe that sets up on the reaction tube can be convenient for infuse when needs liquid feeding, and the rubber stopper that sets up avoids inside reaction gas to spill over when not using and influences the experimental result, and can drag the bottom of steam generation bottle at the end of the support that sets up in the second base and provide fine holding power, do not influence the heating operation of steam generation bottle simultaneously, and can adjust according to the steam generation bottle of equidimension at the end of the support at the rotatory threaded rod that drives of bull stick inwards or outwards removal.

3. This kjeldahl nitrogen liquid feeding device can place heating device in and avoid leading to the accident at the in-process of experiment because of the naked light through the container that sets up, and the container can reciprocate the height-adjusting simultaneously under the structure of slider and second spout, can insert suitable spacing hole respectively through the inserted bar after the adjustment and fix with the slider that corresponds, and this structure has made things convenient for the facility of experiment operation.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic structural diagram of part a of the present invention.

In the figure: 1. a first bracket; 2. a first base; 3. a movable clamp; 4. a reaction tube; 5. a steam conduit; 6. fixing the plug opening; 7. a steam generating bottle; 8. a second base; 9. supporting legs; 10. a second bracket; 11. a first movable ring; 12. a liquid filling port; 13. a conducting tube; 14. a condenser tube; 15. an absorption cup; 16. a third support; 17. a second movable ring; 18. a first fastening bolt; 19. a guide port; 20. a first conduit; 21. a first chute; 22. a clamping block; 23. a second fastening bolt; 24. a second conduit; 25. a liquid feeding pipe; 26. a rubber plug; 27. a feeding pipe; 28. screwing a cover; 29. a safety tube; 30. supporting the bottom; 31. a threaded rod; 32. a rotating rod; 33. a second chute; 34. a container; 35. a slider; 36. a limiting hole; 37. and (4) inserting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a Kjeldahl nitrogen adding liquid device, including first support 1, 1 lower extreme of first support is provided with first base 2, be provided with movable clamp 3 in the first support 1, be provided with reaction tube 4 in the movable clamp 3, 4 front ends of reaction tube are provided with steam pipe 5, steam pipe 5 is the L type, steam pipe 5 lower extreme is provided with fixed

bung hole

6, 6 lower extremes of fixed bung hole are provided with steam generation bottle 7,

steam generation bottle

7 and 6 swing joint of fixed bung hole, 7 lower extremes of steam generation bottle are provided with second base 8, 8 lower extremes of second base are provided with the supporting leg 9 of three equidistance distribution, 1 one side of first support is provided with second support 10, second support 10 is located movable clamp 3 top, second support 10 one side is provided with first

movable circle

11, 11 one side of first movable circle is provided with filling opening 12.

Furthermore, a conduction pipe 13 is arranged on one side of the reaction pipe 4, a condensation pipe 14 is arranged at the lower end of the conduction pipe 13, an absorption cup 15 is arranged at the lower end of the conduction pipe 13 through the condensation pipe 14, a third support 16 is arranged on one side of the absorption cup 15, the third support 16 is movably connected with the absorption cup 15, a second movable ring 17 is arranged on one side of the third support 16, the second movable ring 17 is movably connected with the first support 1, a first fastening bolt 18 is arranged at the front end of the second movable ring 17, the original clamping and fixing mode is replaced by the support provided for the steam generation bottle 7 through the arranged second base 8, a device convenient for liquid adding can be arranged on the existing device through the arranged liquid adding port 12 and the first movable ring 11, the operation is more direct and convenient, meanwhile, the upper and lower heights of the first movable ring 11 can be adjusted according to the use requirement, the fixed position of the condensation pipe 14 can be adjusted through the arranged third support 16 under the drive of the second movable ring 17, the experimental device with the structure is convenient to operate and provides convenience.

Further, the lower end of the liquid filling port 12 is provided with a guide port 19, the lower end of the guide port 19 is provided with a first guide pipe 20, the lower end of the guide port 19 is provided with a first sliding groove 21, the upper end of the first guide pipe 20 is provided with a fixture block 22, the fixture block 22 is in sliding connection with the first sliding groove 21, the guide port 19 arranged can play a role in guiding, the first guide pipe 20 arranged can move up and down in the guide port 19 through the fixture block 22 and the first sliding groove 21, the first guide pipe 20 is conveniently placed into a liquid filling position, and the operation is convenient and not easy to loosen.

Further, be provided with second fastening bolt 23 in the first movable ring 11, be provided with second pipe 24 in the reaction tube 4, second pipe 24 upper end is through reaction tube 4 and steam conduit 5 swing joint, reaction tube 4 upper end is provided with liquid feeding pipe 25, liquid feeding pipe 25 upper end is provided with rubber buffer 26, rubber buffer 26 and liquid feeding pipe 25 swing joint, liquid feeding pipe 25 staggers mutually with steam conduit 5 position, second fastening bolt 23 through setting up can provide fixed effect for first movable ring 11, the infusion of being convenient for when the liquid feeding of needs is gone up to liquid feeding pipe 25 that sets up on reaction tube 4, and rubber buffer 26 that sets up avoids inside reaction gas to spill over when not using and influence the experimental result.

Further, steam conduit 5 upper end is provided with pan feeding pipe 27, pan feeding pipe 27 upper end is provided with screw cap 28, be provided with safe pipe 29 in the fixed stopper mouth 6, safe pipe 29 is located steam conduit 5 one side, be provided with symmetrical end 30 in the second base 8, two end 30 are the L type, be provided with symmetrical threaded rod 31 in the second base 8, two threaded rod 31 front ends and end 30 swing joint hold in the palm, two threaded rod 31 rear ends are provided with symmetrical bull stick 32 through the second base 8, can drag the bottom of steam generation bottle 7 through the end 30 that holds in the palm that sets up in second base 8 and provide fine holding power, do not influence the heating operation of steam generation bottle 7 simultaneously, and end 30 can adjust according to the steam generation bottle 7 of equidimension not inwards or outwards removing at bull stick 32 rotatory drive threaded rod 31.

Further, second spout 33 has all been seted up in three supporting leg 9, be provided with container 34 between the three second spout 33, container 34 outer end all is provided with slider 35 through second spout 33, the spacing hole 36 that a plurality of equidistance distributes is all seted up to three supporting leg 9 outer end, be provided with inserted bar 37 in the spacing hole 36 of a plurality of, three inserted bar 37 and slider 35 swing joint, container 34 through setting up can place heating device in and avoid leading to the accident at the in-process of experiment in the naked light fire, container 34 can reciprocate the adjustment height under the structure of slider 35 and second spout 33 simultaneously, can insert suitable spacing hole 36 respectively through inserted bar 37 after the adjustment and fix with the slider 35 that corresponds, this structure has made things convenient for the facility of experiment operation.

The working principle is as follows: when the device is used, if liquid is added to the experimental device when the device is used, the second fastening bolt 23 can be unscrewed to enable the first movable ring 11 to adjust the height and the rotation angle according to the liquid adding pipe 25, when the liquid adding opening 12 is arranged above the liquid adding pipe 25, the rubber plug 26 is taken down, the first guide pipe 20 is pulled downwards to enter the liquid adding pipe 25 to be added, chemical reaction is carried out through the reaction pipe 4, the rubber plug 26 is arranged to prevent internal reaction gas from overflowing to influence the experimental result when the device is not used, the first guide pipe 20 slides up and down in the guide opening 19 because the arranged fixture block 22 and the first sliding groove 21 enable the first guide pipe to move up and down, the first guide pipe 20 is conveniently placed in the liquid adding position, the liquid adding device is increased, the use flexibility of the device is not influenced, the fixed position of the condensation pipe 14 can be adjusted under the driving of the second movable ring 17 through the arranged third support 16 when the device is used, this structure experimental apparatus of being convenient for operate provides convenience, and the second base 8 that sets up has replaced original clamp fastening fixed mode for steam generation bottle 7 provides the support, the support bottom 30 that sets up in the second base 8 can be dragged the bottom of steam generation bottle 7 and provide fine holding power, do not influence the heating operation of steam generation bottle 7 simultaneously, and support bottom 30 can adjust according to the steam generation bottle 7 of equidimension not, and container 34 of below can reciprocate the adjustment height under the structure of slider 35 and second spout 33, can insert suitable spacing hole 36 respectively through inserted bar 37 after the adjustment and fix with the slider 35 that corresponds, this structure has made things convenient for the facility of experimental operation and has increased the flexibility ratio.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a Kjeldahl nitrogen liquid feeding device, includes first support (1), its characterized in that: the device is characterized in that a first base (2) is arranged at the lower end of the first support (1), a movable clamp (3) is arranged in the first support (1), a reaction tube (4) is arranged in the movable clamp (3), a steam guide tube (5) is arranged at the front end of the reaction tube (4), the steam guide tube (5) is L-shaped, a fixed plug opening (6) is arranged at the lower end of the steam guide tube (5), a steam generation bottle (7) is arranged at the lower end of the fixed plug opening (6), the steam generation bottle (7) is movably connected with the fixed plug opening (6), a second base (8) is arranged at the lower end of the steam generation bottle (7), three support legs (9) distributed at equal intervals are arranged at the lower end of the second base (8), a second support (10) is arranged on one side of the first support (1), the second support (10) is positioned above the movable clamp (3), a first movable ring (11) is arranged on one side of the second support, one side of the first movable ring (11) is provided with a liquid filling port (12).

2. The kjeldahl nitrogen-fixing and liquid-adding device according to claim 1, characterized in that: reaction tube (4) one side is provided with conduction pipe (13), conduction pipe (13) lower extreme is provided with condenser pipe (14), conduction pipe (13) are provided with through condenser pipe (14) lower extreme and absorb cup (15), it is provided with third support (16) to absorb cup (15) one side, third support (16) and absorption cup (15) swing joint, third support (16) one side is provided with second activity circle (17), second activity circle (17) and first support (1) swing joint, second activity circle (17) front end is provided with first fastening bolt (18).

3. The kjeldahl nitrogen-fixing and liquid-adding device according to claim 1, characterized in that: the liquid filling device is characterized in that a guide opening (19) is formed in the lower end of the liquid filling opening (12), a first guide pipe (20) is arranged at the lower end of the guide opening (19), a first sliding groove (21) is formed in the lower end of the guide opening (19), a clamping block (22) is arranged at the upper end of the first guide pipe (20), and the clamping block (22) is in sliding connection with the first sliding groove (21).

4. The kjeldahl nitrogen-fixing and liquid-adding device according to claim 1, characterized in that: be provided with second fastening bolt (23) in first movable ring (11), be provided with second pipe (24) in reaction tube (4), second pipe (24) upper end is through reaction tube (4) and steam conduit (5) swing joint, reaction tube (4) upper end is provided with liquid feeding pipe (25), liquid feeding pipe (25) upper end is provided with rubber buffer (26), rubber buffer (26) and liquid feeding pipe (25) swing joint, liquid feeding pipe (25) stagger mutually with steam conduit (5) position.

5. The kjeldahl nitrogen-fixing and liquid-adding device according to claim 1, characterized in that: steam conduit (5) upper end is provided with pan feeding pipe (27), pan feeding pipe (27) upper end is provided with screw cap (28), be provided with safe pipe (29) in fixed stopper mouth (6), safe pipe (29) are located steam conduit (5) one side, be provided with the support end (30) of symmetry in second base (8), two hold in the palm end (30) and be the L type, be provided with threaded rod (31) of symmetry in second base (8), two threaded rod (31) front end and support end (30) swing joint, two threaded rod (31) rear end is provided with bull stick (32) of symmetry through second base (8).

6. The kjeldahl nitrogen-fixing and liquid-adding device according to claim 1, characterized in that: it is three second spout (33), it is three all seted up in supporting leg (9) be provided with container (34) between second spout (33), container (34) outer end all is provided with slider (35), three through second spout (33) spacing hole (36) that a plurality of equidistance distributes, a plurality of are all seted up to supporting leg (9) outer end be provided with inserted bar (37), three in spacing hole (36) inserted bar (37) and slider (35) swing joint.