CN114720372A - Analytical instrument for testing water content of submarine sediment - Google Patents

Analytical instrument for testing water content of submarine sediment Download PDF

Info

Publication number
CN114720372A
CN114720372A CN202011525676.4A CN202011525676A CN114720372A CN 114720372 A CN114720372 A CN 114720372A CN 202011525676 A CN202011525676 A CN 202011525676A CN 114720372 A CN114720372 A CN 114720372A
Authority
CN
China
Prior art keywords
groove
machine plate
detection
placing groove
water content
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011525676.4A
Other languages
Chinese (zh)
Inventor
曾志刚
殷学博
齐海燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Oceanology of CAS
Original Assignee
Institute of Oceanology of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Oceanology of CAS filed Critical Institute of Oceanology of CAS
Priority to CN202011525676.4A priority Critical patent/CN114720372A/en
Publication of CN114720372A publication Critical patent/CN114720372A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/10—Measuring moisture content, e.g. by measuring change in length of hygroscopic filament; Hygrometers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to an analytical instrument for testing the water content of submarine sediments, which comprises an instrument body, a centrifugal mechanism and a fixing mechanism, wherein the instrument body comprises a machine plate, the centrifugal mechanism comprises a detection groove, a placing groove, a connecting sleeve, a motor and a fixing mechanism, the detection groove is detachably placed in the machine plate and is fixed by the fixing mechanism arranged on the machine plate, the placing groove is accommodated in the detection groove, the top of the placing groove is rotatably connected with the detection groove, the connecting sleeve is installed at the bottom of the placing groove, the motor is fixedly connected in the machine plate, the output end of the motor is connected with the lower end of a rotating rod, and the upper end of the rotating rod penetrates out of the machine plate and is connected with the connecting sleeve; the sample that awaits measuring is put into the standing groove, and the motor passes through bull stick and adapter sleeve and drives the standing groove rotatory on detecting the groove. The device is convenient for draining the surface of the sediment to be detected, avoids the influence on the detection accuracy of the device due to overlarge moisture of the sediment in a seawater environment, and is convenient for dismounting and cleaning the container for containing the sediment by fixedly connecting the container in the device.

Description

Analytical instrument for testing water content of submarine sediment
Technical Field
The invention relates to water content analysis equipment, in particular to an analysis instrument for testing the water content of a submarine sediment.
Background
An apparatus capable of detecting the water content in various organic and inorganic solid, liquid, gas and other samples is called a moisture meter, and two major types of physical measurement methods and chemical measurement methods can be classified according to the measurement principle.
The physical determination method is commonly used in a weight loss method, a distillation layering method, a gas chromatography analysis method and the like, and the chemical determination method is mainly used in a Karl Fischer method, a toluene method and the like; the moisture content in the object can be obtained by detecting the moisture of the object, so that the moisture detection of the object is facilitated, and corresponding detection data is obtained. However, when an analyzer for measuring the moisture content is used, a detection object is usually placed in the analyzer and directly detected. When the water amount of the sediment in the seawater environment is too large, inaccurate detection data can be caused; and the container is fixedly connected in the equipment or directly placed in the equipment, so that the container and the equipment are easy to fall off and separate.
Disclosure of Invention
In order to solve the problems of the existing water content test, the invention aims to provide an analytical instrument for testing the water content of the submarine sediments.
The purpose of the invention is realized by the following technical scheme:
the centrifugal mechanism comprises a machine plate, the centrifugal mechanism and a fixing mechanism, wherein the machine plate comprises a detection groove, a placing groove, a connecting sleeve and a motor, the detection groove is detachably placed in the machine plate and is fixed by the fixing mechanism arranged on the machine plate, the placing groove is accommodated in the detection groove, the top of the placing groove is rotatably connected with the detection groove, the connecting sleeve is installed at the bottom of the placing groove, the motor is fixedly connected in the machine plate, the output end of the motor is connected with the lower end of a rotating rod, and the upper end of the rotating rod penetrates out of the machine plate and is connected with the connecting sleeve; the sample to be tested is placed into the placing groove, and the motor drives the placing groove to rotate on the detection groove through the rotating rod and the connecting sleeve.
Wherein: the connecting sleeve is provided with a central hole, the periphery of the central hole is uniformly provided with a plurality of clamping grooves along the circumferential direction, and each clamping groove is communicated with the central hole; the rotating rod is inserted into the central hole, the surface of the rotating rod is provided with clamping blocks which are the same in number as the clamping grooves and correspond to the clamping grooves one to one in the circumferential direction, and each clamping block is accommodated in the corresponding clamping groove.
The top of the placing groove is provided with a sliding groove, the lower end of the clamping rod penetrates through the sliding groove and is fixedly connected with the top of the detection groove, and the upper end of the clamping rod is rotatably connected with a stop lever.
The top of the placing groove extends outwards along the radial direction to form an extending part, and the extending part is provided with a circular sliding groove.
A plurality of through holes are formed in the bottom surface of the placing groove, and water of a sample to be tested, which is extracted through centrifugation, flows into the detection groove through the through holes.
The fixing mechanism comprises a fixing rod, a telescopic cylinder and a spring, the telescopic cylinder is fixedly connected in the machine plate, the fixing rod penetrates through the telescopic cylinder, the spring is sleeved on the part, located in the telescopic cylinder, of the fixing rod, and the fixing rod can be pulled out outwards in the axial direction relative to the telescopic cylinder and is reset through the spring; the outer edge of the lower end of the detection groove is provided with a limiting block, one end, close to the detection groove, of the fixing rod penetrates out of the machine plate and is pressed on the limiting block, and then the detection groove is fixed.
The part of the fixed rod located in the telescopic cylinder is provided with a limiting plate, two ends of the spring are respectively abutted against the limiting plate and the telescopic cylinder, and a baffle for limiting the limiting plate is arranged at a hole position, away from one end of the detection groove, of the telescopic cylinder.
The fixing mechanisms are multiple and are uniformly arranged on the machine plate along the circumferential direction.
The machine board is detachably connected with a sealing cover, and the detection groove and the placing groove are covered inside by the sealing cover.
The invention has the advantages and positive effects that:
the device is convenient for draining a test sample, and avoids the influence on the detection accuracy of the device due to the overlarge moisture of an object in a seawater environment; and the vessel for containing objects is fixedly connected in the equipment, so that the vessel is convenient to disassemble and clean. The method specifically comprises the following steps:
1. according to the invention, through the connection of the detection groove and the placing groove, under the connecting action of the clamping rod, the placing groove can be firmly rotated on the detection groove, and the placing groove can not be separated from the detection groove during rotation; the rotating rod rotates in the connecting sleeve through the rotation of the motor, so that the placing groove rotates in the detection groove, the connecting sleeve and the rotating rod are connected through the clamping of the clamping groove and the clamping block, the connecting of the rotating rod and the connecting sleeve is convenient to separate, and the placing groove and the detection groove are convenient to separate; the clamping rod slides in the sliding groove, the stop lever on the surface of the clamping rod enables the placing groove to be fixed on the detection groove, and under the rotation of the placing groove, the object in the placing groove can be conveniently dehydrated.
2. The invention makes the fixed rod extend in the telescopic cylinder, the fixed rod extends in the telescopic cylinder under the connection of the spring, the sliding of the fixed rod in the telescopic cylinder is limited through the connection of the baffle and the limiting plate, the fixed rod is prevented from being separated from the telescopic cylinder, the fixed rod is used for connecting and fixing the detection groove in the machine plate, and the connection and separation of the detection groove and the machine plate are convenient.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a bottom view of the connection structure between the connecting sleeve and the rotating rod in FIG. 1;
FIG. 3 is a top view of the structure of the connection between the accommodating groove and the latch of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
wherein: 1 is a machine body, 11 is a machine plate, and 12 is a sealing cover;
2, a centrifugal mechanism, 21, 22, 23, 24, a connecting sleeve, 25, 26, 27, 28 and 29 are respectively a detection groove, a placing groove, a clamping rod, a connecting sleeve, a motor, a rotating rod, a clamping groove, a clamping block and a sliding groove;
3, a fixing mechanism, 31, 32, a telescopic cylinder, 33, a spring, 34, a baffle and 35, wherein the fixing mechanism is used for fixing the telescopic cylinder, the spring is used for fixing the telescopic cylinder, and the limiting plate is used for limiting the position of the telescopic cylinder; 36 is a stop lever, 37 is a central hole, 38 is a limit block, and 39 is a through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the centrifugal device of the invention includes a machine body 1, a centrifugal mechanism 2 and a fixing mechanism 3, wherein the machine body 1 includes a machine plate 11, and a cover 12 is detachably connected to a surface of the machine plate 11; the centrifugal mechanism 2 is arranged on the inner side of the machine plate 11, the centrifugal mechanism 2 comprises a detection groove 21, a placement groove 22, a connecting sleeve 24 and a motor 25, the detection groove 21 is detachably placed in the machine plate 11 and is fixed by a fixing mechanism 3 arranged on the machine plate 11, the placement groove 22 is accommodated in the detection groove 21, the top of the placement groove 22 is rotatably connected with the detection groove 21, the connecting sleeve 24 is installed at the bottom of the placement groove 22, the motor 25 is fixedly connected in the machine plate 11, the input end of the motor 25 is electrically connected with the output end of an external power supply through a lead, so that the motor 25 rotates, the output end of the motor 25 is connected with the lower end of a rotating rod 26, and the upper end of the rotating rod 26 penetrates out of the machine plate 11 and is connected with the connecting sleeve 24; the sample to be tested is put into the placing groove 22, the motor 25 drives the placing groove 22 to rotate on the detection groove 21 through the rotating rod 26 and the connecting sleeve 24, so that the placing groove 22 can carry out centrifugal dehydration treatment on the sample inside. The detection tank 21 and the placement tank 22 are covered with the cover 12.
The connecting sleeve 24 of this embodiment is provided with a central hole 37, a plurality of (four in this embodiment) clamping grooves 27 are uniformly formed in the periphery of the central hole 37 along the circumferential direction, and each clamping groove 27 is communicated with the central hole 37; the rotating rod 26 is inserted into the central hole 37, the surface of the rotating rod 26 is provided with the same number of the clamping grooves 27 along the circumferential direction and the clamping blocks 28 are in one-to-one correspondence, and each clamping block 28 is accommodated in the corresponding clamping groove 27. The rotating rod 26 is connected with the connecting sleeve 24 in a clamping mode, the rotating rod 26 rotates in the machine board 11 through the connection of the motor 25 and the rotating rod 26, the connecting sleeve 24 is connected with the rotating rod 26 in a clamping mode, the connecting sleeve 24 drives the placing groove 22 to rotate, and under the rotation of the placing groove 22, a sample to be tested is dehydrated. The clamping groove 27 of the embodiment is groove-shaped and is arranged on the surface of the connecting sleeve 24, the clamping block 28 is in a convex block shape and is connected on the surface of the rotating rod 26, the clamping groove 27 is clamped with the clamping block 28, the rotating rod 26 drives the connecting sleeve 24 to rotate through the clamping of the clamping groove 27 and the clamping block 28, under the connecting action of the clamping groove 27 and the clamping block 28, the rotating rod 26 and the connecting sleeve 24 are convenient to separate, and further the placing groove 22 and the detection groove 21 are separated.
The top of the placement groove 22 of this embodiment extends outward in the radial direction to form an extension portion, an annular sliding groove 29 is opened on the extension portion, the lower end of the clamping rod 23 passes through the sliding groove 29 and is fixedly connected with the top of the detection groove 21, and the upper end of the clamping rod 23 is rotatably connected with a stop lever 36. Under the connecting action of the clamping rod 23 and the detection groove 21, the clamping rod 23 is enabled to fix the connection of the placing groove 22, so that the placing groove 22 can rotate in the detection groove 21 conveniently. A plurality of through holes 39 are formed in the bottom surface of the placement groove 22, and water that has been centrifuged off from the sample to be tested flows into the test groove 21 through each of the through holes 39.
The plurality of fixing mechanisms 3 are uniformly mounted on the chassis 11 in the circumferential direction on the outer periphery of the detection groove 21. The fixing mechanism 3 of this embodiment includes a fixing rod 31, a telescopic cylinder 32 and a spring 33, the telescopic cylinder 32 is fixedly connected in the machine plate 11, the fixing rod 31 penetrates through the telescopic cylinder 32, the spring 33 is sleeved on a portion of the fixing rod 31 located in the telescopic cylinder 32, a limiting plate 35 is disposed on a portion of the fixing rod 31 located in the telescopic cylinder 32, two ends of the spring 33 are respectively abutted to the limiting plate 35 and the telescopic cylinder 32, and an opening edge of one end of the telescopic cylinder 32, which is far away from the detection groove 21, extends radially inward to form a baffle 34 for limiting the limiting plate 35. The fixed rod 31 can be pulled out axially outwards relative to the telescopic cylinder 32 and is reset by a spring 33; the outer edge of the lower end of the detection groove 21 is provided with a limit block 38, and one end of the fixing rod 31 close to the detection groove 21 penetrates out of the machine plate 11 and is pressed on the limit block 38, so that the detection groove 21 is fixed. The stopper 34 abuts against the stopper plate 35, the fixing rod 31 is caused to extend and contract in the telescopic cylinder 32 by the spring 33, and the sliding of the fixing rod 31 in the telescopic cylinder 32 is restricted by the stopper 34 and the stopper plate 35, thereby preventing the telescopic cylinder 32 and the fixing rod 31 from being separated from each other.
The working principle of the invention is as follows:
when the telescopic mechanism is used, the fixing rod 31 in each fixing mechanism 3 is pulled outwards, so that the fixing rod 31 stretches in the telescopic cylinder 32, the baffle 34 is connected with the limiting plate 35 in a butting mode, the fixing rod 31 is limited in the telescopic cylinder 32 in a sliding mode, the fixing rod 31 and the telescopic cylinder 32 are prevented from being connected and falling off, and the telescopic mechanism is practical. Then the detection groove 21 is put on the machine plate 11, the fixing rod 31 is loosened, the detection groove is reset under the action of the spring 33, and the detection groove 21 is further fixed by pressing the limiting block 38. Then, the placement slot 22 is placed in the detection slot 21, the locking rod 23 is passed out of the sliding slot 29 of the placement slot 22, and the stop rod 36 is screwed so that the stop rod 36 abuts against the top of the placement slot 22. The sample to be tested is placed in the placement tray 22.
Through the rotation of motor 25, make bull stick 26 at detecting the inslot 21 internal rotation, bull stick 26 and adapter sleeve 24 are connected, under the joint of draw-in groove 27 and fixture block 28, make bull stick 26 and adapter sleeve 24 block connect, the separation of adapter sleeve 24 and bull stick 26 of being convenient for, and then make things convenient for standing groove 22 and the connection separation of detecting groove 21, under the rotation effect of adapter sleeve 24, make standing groove 22 at detecting the inslot 21 internal rotation, under the connection of draw-in rod 23, make standing groove 22 at detecting the inslot 21 internal fixation, under the connection of draw-in rod 23 and spout 29, make standing groove 22 fixed rotation on detecting groove 21.
The water from the sample by centrifugation flows into the detection tank 21 through the through-hole 39 in the bottom surface of the placement tank 22.

Claims (9)

1. An analytical instrument for testing the water content of submarine sediments is characterized in that: comprises a machine body (1), a centrifugal mechanism (2) and a fixing mechanism (3), wherein the machine body (1) comprises a machine plate (11), the centrifugal mechanism (2) comprises a detection groove (21), a placing groove (22), a connecting sleeve (24) and a motor (25), the detection groove (21) is detachably placed in the machine plate (11), is fixed by a fixing mechanism (3) arranged on the machine plate (11), the placing groove (22) is accommodated in the detection groove (21), the top of the placing groove (22) is rotationally connected with the detection groove (21), the bottom of the placing groove (22) is provided with a connecting sleeve (24), a motor (25) is fixedly connected in the machine plate (11), the output end of the motor (25) is connected with the lower end of a rotating rod (26), and the upper end of the rotating rod (26) penetrates out of the machine plate (11) and is connected with the connecting sleeve (24); the sample to be tested is placed in the placing groove (22), and the motor (25) drives the placing groove (22) to rotate on the detection groove (21) through the rotating rod (26) and the connecting sleeve (24).
2. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the connecting sleeve (24) is provided with a central hole (37), a plurality of clamping grooves (27) are uniformly formed in the periphery of the central hole (37) along the circumferential direction, and each clamping groove (27) is communicated with the central hole (37); the rotating rod (26) is inserted into the central hole (37), the surface of the rotating rod (26) is provided with clamping blocks (28) which are the same in number as the clamping grooves (27) and correspond to the clamping grooves (27) one by one in the circumferential direction, and each clamping block (28) is accommodated in the corresponding clamping groove (27).
3. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the top of the placing groove (22) is provided with a sliding groove (29), the lower end of the clamping rod (23) penetrates through the sliding groove (29) and is fixedly connected with the top of the detection groove (21), and the upper end of the clamping rod (23) is rotatably connected with a stop lever (36).
4. The analytical instrument for testing water content of seafloor sediments as claimed in claim 3, wherein: the top of the placing groove (22) extends outwards along the radial direction to form an extension part, and a circular sliding groove (29) is formed in the extension part.
5. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the bottom surface of the placing groove (22) is provided with a plurality of through holes (39), and water of a sample to be tested which is centrifuged flows into the detection groove (21) through each through hole (39).
6. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the fixing mechanism (3) comprises a fixing rod (31), a telescopic cylinder (32) and a spring (33), the telescopic cylinder (32) is fixedly connected in the machine plate (11), the fixing rod (31) penetrates through the telescopic cylinder (32), the spring (33) is sleeved on the part, located in the telescopic cylinder (32), of the fixing rod (31), and the fixing rod (31) can be pulled out outwards along the axial direction relative to the telescopic cylinder (32) and reset through the spring (33); the outer edge of the lower end of the detection groove (21) is provided with a limiting block (38), one end, close to the detection groove (21), of the fixing rod (31) penetrates out of the machine plate (11) and is pressed on the limiting block (38), and then the detection groove (21) is fixed.
7. The analytical instrument for testing water content of seafloor sediments according to claim 6, wherein: the part that dead lever (31) are located telescopic cylinder (32) is equipped with limiting plate (35), the both ends of spring (33) respectively with this limiting plate (35) and telescopic cylinder (32) butt, telescopic cylinder (32) are kept away from the trompil department that detects groove (21) one end and are equipped with spacing baffle (34) to limiting plate (35).
8. The analytical instrument for testing water content of seafloor sediments according to claim 6, wherein: the fixing mechanisms (3) are multiple and are uniformly arranged on the machine plate (11) along the circumferential direction.
9. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the machine plate (11) is detachably connected with a sealing cover (12), and the detection groove (21) and the placing groove (22) are covered inside by the sealing cover (12).
CN202011525676.4A 2020-12-22 2020-12-22 Analytical instrument for testing water content of submarine sediment Pending CN114720372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011525676.4A CN114720372A (en) 2020-12-22 2020-12-22 Analytical instrument for testing water content of submarine sediment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011525676.4A CN114720372A (en) 2020-12-22 2020-12-22 Analytical instrument for testing water content of submarine sediment

Publications (1)

Publication Number Publication Date
CN114720372A true CN114720372A (en) 2022-07-08

Family

ID=82230140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011525676.4A Pending CN114720372A (en) 2020-12-22 2020-12-22 Analytical instrument for testing water content of submarine sediment

Country Status (1)

Country Link
CN (1) CN114720372A (en)

Similar Documents

Publication Publication Date Title
CN210893758U (en) Soil analysis detects collection device
CN112147317B (en) Sampling device for blood detection
CN109490559A (en) A kind of Full-automatic chemiluminescence immunoassay analysis meter
CN214150399U (en) Analytical instrument for testing water content of submarine sediment
CN204064891U (en) A kind of cell rack of purple spectrometer
CN114720372A (en) Analytical instrument for testing water content of submarine sediment
EP1262775B1 (en) Method and device for soil sampling
CN214894207U (en) Slurry sampling device
CN101776664A (en) Method for testing melamine in raw milk and dairy products and preprocessing device
CN108375549B (en) Extraction device and method for automatically separating petroleum components
CN105527353A (en) Method for determining solvent solubility by tracer agent headspace gas chromatography
CN110085506A (en) Sample introduction assembly, open type ion source system and mass spectrometer
CN110025980B (en) Efficient concentrated solution-liquid micro-extraction device and method capable of realizing seamless combined chromatographic analysis
CN114527106A (en) In-situ optical detection equipment for measuring algae concentration
CN208860736U (en) A kind of spectroanalysis instrument
CN105758688A (en) Dispersing liquid-liquid micro extraction kit
CN207056812U (en) A kind of microwell plate centrifugal device
CN220418801U (en) Clockwork spring mechanics tester
CN106872629A (en) A kind of method of three nitrogen amidine contents in measure dairy products
CN221326078U (en) Sample solid-liquid separation device for food detection
CN219361770U (en) Detection reagent structure convenient for sample distinguishing
CN113834923A (en) Sampling and primary detection integrated soil detection device
CN220894272U (en) Sampling device for highway water transport test detection
CN219201490U (en) Device for detecting polar substances in coking tower bottom oil and hydrogenated tail oil
CN211374403U (en) Quick detection device of grit water content

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination