Detection equipment for marine urea production

Abstract

The utility model discloses detection equipment for marine urea production, relates to the technical field of marine urea detection, and aims to solve the problems that a suction nozzle is arranged at the front end of an existing detection instrument to extract marine urea, but dust and impurities are easy to contaminate the suction nozzle when the detection instrument is carried about, and inaccurate detection is easy to generate. The suction pipe is arranged on one side of the bottom of the detection pipe, a detection bin is arranged in the detection pipe and communicates with the suction pipe, a detection electrode is arranged on one side of the detection bin, a sliding rail is arranged on the other side of the bottom of the detection pipe, and a sliding groove is integrally formed in the surface of the bottom of the sliding rail; a closing cover is arranged below the sliding rail, a sealing bin is integrally formed in the closing cover, the front end of the sealing bin is open, and the straw can be clamped into the sealing bin.

Description

Technical Field

[0001] The utility model relates to the technical field of marine urea detection, in particular to detection equipment for marine urea production. Background Art

[0002] Marine nitrogen oxide reducing agent AUS40, also known as marine urea solution, refers to a nitrogen oxide reducing agent suitable for ship selective catalytic reduction system (SCR) - a 40% urea aqueous solution. This product is suitable for the selective catalytic reduction system (SCR) used for ship engine and boiler exhaust gas treatment. It is a 40% urea aqueous solution mixed with pure urea and pure water without any other additives.

[0003] Usually, marine urea needs to be sampled during production to ensure the quality of marine urea. Portable testing instruments are usually used for sampling. There is a nozzle at the front of the testing instrument to extract the marine urea. However, dust and impurities are easily contaminated on the nozzle when carried around, which can easily cause inaccurate detection and errors. Therefore, we propose a testing device for marine urea production to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a detection device for marine urea production, so as to solve the problem that the front end of the detection instrument proposed in the above background technology has a suction nozzle to extract the marine urea, but dust and impurities are easily contaminated by the suction nozzle when carried around, which easily leads to inaccurate detection and errors.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detection device for marine urea production, comprising a detection tube;

[0006] Also includes:

[0007] A straw is arranged on one side of the bottom of the detection tube, a detection chamber is arranged inside the detection tube, and the detection chamber is connected to the straw, a detection electrode is arranged on one side of the detection chamber, a slide rail is arranged on the other side of the bottom of the detection tube, a slide groove is integrally formed on the bottom surface of the slide rail, a closing cover is arranged below the slide rail, a sealing chamber is integrally formed inside the closing cover, the front end of the sealing chamber is open-type, and the straw can be engaged into the interior of the sealing chamber, a slider is arranged on the upper end of the closing cover, the slider is slidably engaged in the interior of the slide groove, the closing cover slides under the slide rail through the engagement of the slider, and the closing cover can be slidably sleeved on the outside of the straw.

[0008] Preferably, the straw is a retractable structure.

[0009] Preferably, a piston disk is provided inside the detection chamber, and the piston disk moves inside the detection chamber, a connecting rod is provided at the upper end of the piston disk, a through hole is integrally formed on one side of the upper end of the detection tube, the upper end of the connecting rod is slidably engaged with the through hole, and the upper end of the connecting rod extends through the through hole to the upper end of the detection tube, a closing plate is provided at the upper end of the connecting rod, and the closing plate is movably fitted to the upper end of the detection tube.

[0010] Preferably, connecting slides are symmetrically arranged at the upper and lower ends of one side of the outer side of the closing cover, a sealing plate is clamped between the two connecting slides, the sealing plate is attached to the outer side of the closing cover, and the closing cover slides on the outer side of the closing cover by clamping with the connecting slides, and the closing cover can slide to close the front end of the sealing chamber.

[0011] Preferably, a pull ring is provided at the upper end of the closing plate, the pull ring is fixed to the upper end of the closing plate through a rotating seat, and the pull ring swings at the upper end of the closing plate through the rotating seat.

[0012] Preferably, a battery compartment is provided inside the detection tube, and the battery compartment is connected to the upper end of the detection tube, a battery cover is provided on one side of the battery compartment, a movable shaft is provided on one side of the battery cover, and the battery cover can be rotated to the upper end of the battery compartment through the movable shaft to be closed.

[0013] Preferably, a display screen is provided on one side of the exterior of the detection tube, and the output end of the detection electrode is electrically connected to the input end of the display screen.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A straw is arranged at the bottom of the detection tube, and a closing cover is arranged on one side of the straw. The closing cover can slide at the bottom of the detection tube through the slide rail at the upper end. When it is necessary to extract and test the marine urea, the sealing plate can be rotated to one side of the closing cover, and then the closing cover is translated to make the straw come out from the inside of the sealing chamber, so that the marine urea can be extracted and tested. After the test is completed, the closing cover is moved to the outside of the straw, and the sealing plate is rotated to close the sealing chamber, so that the straw can be isolated from the outside, thereby preventing external dust or impurities from being adsorbed on the straw.

[0016] 2. By setting a detection electrode on one side of the inner part of the detection chamber, the marine urea is extracted into the detection chamber by piston extraction to contact the detection electrode, and the enzyme electrode method is adopted to measure the change of conductivity using a specific electrode to determine the urea content in the sample, and a display screen is set on one side of the detection tube to feed back the detected value to the display screen, so as to facilitate the reading of the detection value of the marine urea. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is an internal cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 This is an exploded view of the straw protection structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the bottom of the detection tube of the utility model;

[0021] In the figure: 1. detection tube; 2. straw; 3. connecting rod; 4. piston disk; 5. detection electrode; 6. battery compartment; 7. display screen; 8. battery cover; 9. movable shaft; 10. closing plate; 11. pull ring; 12. rotating seat; 13. detection compartment; 14. closing cover; 15. slide rail; 16. slide groove; 17. sealing compartment; 18. connecting slide bar; 19. sealing plate; 20. slider; 21. through hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figure 1-4 , the utility model provides an embodiment: a detection device for marine urea production, comprising a detection tube 1;

[0024] Also includes:

[0025] The straw 2 is arranged on one side of the bottom of the detection tube 1. A detection chamber 13 is arranged inside the detection tube 1, and the detection chamber 13 is connected to the straw 2. A detection electrode 5 is arranged on one side of the detection chamber 13. A slide rail 15 is arranged on the other side of the bottom of the detection tube 1. A slide groove 16 is integrally formed on the bottom surface of the slide rail 15. A closing cover 14 is arranged below the slide rail 15. A sealing chamber 17 is integrally formed inside the closing cover 14. The front end of the sealing chamber 17 is open-type, and the straw 2 can be engaged with the inside of the sealing chamber 17. A slider 20 is arranged on the upper end of the closing cover 14. The slider 20 is slidably engaged in the inside of the slide groove 16. The closing cover 14 slides below the slide rail 15 through the engagement of the slider 20, and the closing cover 14 can be slidably sleeved on the outside of the straw 2.

[0026] A straw 2 is arranged at the bottom of the detection tube 1, and a closing cover 14 is arranged on one side of the straw 2. The closing cover 14 can slide at the bottom of the detection tube 1 through a slide rail 15 at the upper end. When it is necessary to extract and test the marine urea, the sealing plate 19 can be rotated to one side of the closing cover 14, and then the closing cover 14 can be translated to make the straw 2 come out from the inside of the sealing chamber 17, so that the marine urea can be extracted and tested.

[0027] See also Figure 1 The straw 2 is a retractable structure, and the straw 2 can be extended to facilitate extraction.

[0028] See also Figure 2 A piston disc 4 is provided inside the detection chamber 13, and the piston disc 4 moves inside the detection chamber 13. A connecting rod 3 is provided at the upper end of the piston disc 4. A through hole 21 is integrally formed on one side of the upper end of the detection tube 1. The upper end of the connecting rod 3 is slidably engaged with the through hole 21, and the upper end of the connecting rod 3 extends out of the upper end of the detection tube 1 through the through hole 21. A closing plate 10 is provided at the upper end of the connecting rod 3, and the closing plate 10 is movably fitted to the upper end of the detection tube 1. The piston is used to extract marine urea into the detection chamber 13 for easy detection.

[0029] See also Figure 3 Connecting slide bars 18 are symmetrically arranged at the upper and lower ends of one side of the outer side of the closing cover 14, and a sealing plate 19 is clamped between the two connecting slide bars 18. The sealing plate 19 is attached to the outer side of the closing cover 14. The closing cover 14 slides on the outer side of the closing cover 14 by clamping with the connecting slide bars 18, and the closing cover 14 slides to close the front end of the sealing chamber 17, and the sealing plate 19 can be rotated to close and open the sealing chamber 17.

[0030] See also Figure 1 A pull ring 11 is provided at the upper end of the closing plate 10, and the pull ring 11 is fixed to the upper end of the closing plate 10 through a rotating seat 12. The pull ring 11 swings at the upper end of the closing plate 10 through the rotating seat 12, which is convenient for lifting the connecting rod 3 and the piston disc 4.

[0031] See also Figure 1 A battery compartment 6 is provided inside the detection tube 1, and the battery compartment 6 is connected to the upper end of the detection tube 1, a battery cover 8 is provided on one side of the battery compartment 6, a movable shaft 9 is provided on one side of the battery cover 8, and the battery cover 8 can be rotated to the upper end of the battery compartment 6 through the movable shaft 9 to close, so as to facilitate the closing of the battery compartment 6.

[0032] See also Figure 1 A display screen 7 is provided on one side of the outside of the detection tube 1, and the output end of the detection electrode 5 is electrically connected to the input end of the display screen 7, so that the value of the marine urea detection can be fed back.

[0033] Working principle: a straw 2 is arranged at the bottom of the detection tube 1, and a closing cover 14 is arranged at one side of the straw 2. The closing cover 14 can slide at the bottom of the detection tube 1 through a slide rail 15 at the upper end. The sealing plate 19 can be rotated to one side of the closing cover 14, and then the closing cover 14 is translated outward to make the straw 2 come out from the inside of the sealing chamber 17, so that the marine urea can be extracted and tested. The straw 2 is inserted into the marine urea solution, and the piston disk 4 is pulled by pulling the pull ring 11 to extract the marine urea into the inside of the detection chamber 13 to contact the detection electrode 5. The enzyme electrode method is adopted to measure the change of conductivity using a specific electrode to measure the urea content in the sample, and the detected value is fed back to the display screen 7. After the test is completed, the closing cover 14 is moved to the outside of the straw 2, and the sealing plate 19 is rotated to close the sealing chamber 17, so that the straw 2 can be isolated from the outside, thereby preventing external dust or impurities from being adsorbed on the straw 2.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A detection device for marine urea production, comprising a detection tube (1); Features: Also includes: A straw (2) is arranged at one side of the bottom of a detection tube (1); a detection chamber (13) is arranged inside the detection tube (1), and the detection chamber (13) is connected to the straw (2); a detection electrode (5) is arranged on one side of the detection chamber (13); a slide rail (15) is arranged at the other side of the bottom of the detection tube (1); a slide groove (16) is integrally formed on the bottom surface of the slide rail (15); a closing cover (14) is arranged below the slide rail (15); the closing cover (14) is provided at the bottom of the detection tube (15); The cover (14) is integrally formed with a sealing chamber (17), the front end of the sealing chamber (17) is open, and the straw (2) can be engaged in the sealing chamber (17). The upper end of the closing cover (14) is provided with a slider (20), the slider (20) is slidably engaged in the inside of the slide groove (16), the closing cover (14) slides under the slide rail (15) through the engagement of the slider (20), and the closing cover (14) can be sleeved on the outside of the straw (2) by sliding.

2. The detection equipment for marine urea production according to claim 1, characterized in that: The straw (2) is a telescopic structure.

3. The detection equipment for marine urea production according to claim 1, characterized in that: A piston disc (4) is provided inside the detection chamber (13), and the piston disc (4) moves inside the detection chamber (13); a connecting rod (3) is provided at the upper end of the piston disc (4); a through hole (21) is integrally formed on one side of the upper end of the detection tube (1); the upper end of the connecting rod (3) is slidably engaged with the through hole (21), and the upper end of the connecting rod (3) passes through the through hole (21) and extends out of the upper end of the detection tube (1); a closing plate (10) is provided at the upper end of the connecting rod (3), and the closing plate (10) is movably fitted to the upper end of the detection tube (1).

4. The detection equipment for marine urea production according to claim 1, characterized in that: The upper and lower ends of one side of the outer side of the closing cover (14) are symmetrically provided with connecting slides (18), a sealing plate (19) is clamped between the two connecting slides (18), and the sealing plate (19) is attached to the outer side of the closing cover (14). The closing cover (14) slides on the outer side of the closing cover (14) by clamping with the connecting slides (18), and the closing cover (14) can close the front end of the sealing chamber (17) by sliding.

5. The detection equipment for marine urea production according to claim 3, characterized in that: A pull ring (11) is provided at the upper end of the closing plate (10), and the pull ring (11) is fixed to the upper end of the closing plate (10) via a rotating seat (12), and the pull ring (11) swings at the upper end of the closing plate (10) via the rotating seat (12).

6. The detection equipment for marine urea production according to claim 1, characterized in that: A battery compartment (6) is provided inside the detection tube (1), and the battery compartment (6) is connected to the upper end of the detection tube (1); a battery cover (8) is provided on one side of the battery compartment (6); a movable shaft (9) is provided on one side of the battery cover (8), and the battery cover (8) can be rotated to the upper end of the battery compartment (6) via the movable shaft (9) to be closed.

7. The detection equipment for marine urea production according to claim 1, characterized in that: A display screen (7) is provided on one side of the exterior of the detection tube (1), and the output end of the detection electrode (5) is electrically connected to the input end of the display screen (7).

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