CN112718037A - Titration pipe rack for oilfield water quality analysis - Google Patents
Titration pipe rack for oilfield water quality analysis Download PDFInfo
- Publication number
- CN112718037A CN112718037A CN202011498973.4A CN202011498973A CN112718037A CN 112718037 A CN112718037 A CN 112718037A CN 202011498973 A CN202011498973 A CN 202011498973A CN 112718037 A CN112718037 A CN 112718037A
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- guide
- rod
- water quality
- burette
- bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/54—Supports specially adapted for pipettes and burettes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a burette stand for oilfield water quality analysis, which comprises a bearing stand, wherein a side frame and a support are respectively and fixedly arranged on the bearing stand. According to the invention, the driving gear driven by the primary motor to rotate is arranged, and the driving gear drives the two driven racks to horizontally stretch and move, so that the moving seat connected with the driven racks through the bearing rod horizontally moves, and the moving seat for placing the volumetric flask can vertically correspond to the burette; the bearing plate supported by the micro-vibrator is arranged in the movable seat with the opening at the upper end, so that the micro-vibration driving can be carried out on the volumetric flask loaded with the oil field water quality solution by opening and closing the micro-vibrator; the main traction rod and the auxiliary folding rod which are driven by the hydraulic cylinder are connected between the guide truss and the moving block, so that the moving block can be stably adjusted in the horizontal direction, and the burette and the volumetric flask can be correspondingly adjusted in position.
Description
Technical Field
The invention relates to the technical field of oilfield water quality analysis, in particular to a burette stand for oilfield water quality analysis.
Background
Due to the needs of social development, the demand of various energy resources is increasing day by day, and particularly for the exploitation of oil fields, in order to ensure the exploitation feasibility of the oil fields and the use safety of oil and gas resources, water quality analysis must be carried out on the oil fields. Under the prior art, the detection of water quality in oil fields generally comprises an instrumental analysis method and a chemical analysis method, wherein the chemical analysis method specifically adopts a titration analysis method, and because the content of various metal ions, COD, OD and sulfate radicals in the water in the oil fields can be detected by the method, the titration analysis method has wide application in various fields.
The burette stand is indispensable application equipment in the titration analysis method, and it mainly comprises butterfly clamp, pole setting, white titration plate three major parts, but with the continuous change of time progress and actual demand, traditional burette stand has long been satisfied current user demand: in the process of titration operation, a traditional burette rack mostly adopts a linear upright rod, after a burette is installed on a butterfly clamp, the distance between the burette and the upright rod is small, and the burette is mostly of a fixed and unadjustable structure, so that accurate and convenient adjustment is difficult to realize when position deviation exists between the burette and a volumetric flask; conceivably, the titration process is long, and the titration process is difficult to avoid being interfered by other external forces, and the traditional titration tube frame adopts a single fixing mode for the titration tube and the volumetric flask, so that the stability of the titration tube and the volumetric flask is difficult to ensure, and the titration tube and the volumetric flask which are thin and fragile in structure are very easy to drop and break; the titration operation finishes, because oil field quality of water is comparatively dense, in longer operation and waiting process, oil field quality of water is very easily taken place the shaping accident of condensing, is unfavorable for subsequent artifical the detection, can influence the accuracy that detects data even.
Disclosure of Invention
The invention aims to solve the problem that the oil field water quality is difficult to be titrated and analyzed by using a burette stand in the prior art, and provides the burette stand for the oil field water quality analysis.
In order to achieve the purpose, the invention adopts the following technical scheme:
a burette stand for oilfield water quality analysis comprises a bearing stand, wherein a side frame and a support are fixedly arranged on the bearing stand respectively;
the supporting platform is fixedly provided with a primary motor, the output end of the primary motor is fixedly sleeved with a driving gear, the supporting platform is slidably sleeved with two driven racks meshed and connected with the driving gear, bearing rods are welded on the two driven racks, a moving seat with an opening at the upper end is fixedly connected on the bearing rods, a micro-vibrator is fixedly installed in the moving seat, a bearing tray connected with the output end of the micro-vibrator is movably arranged in the opening at the upper end of the moving seat, a guide rod is fixedly arranged in the upper end of the moving seat, a primary spring and a sliding block which are connected are respectively sleeved on the guide rod, a secondary spring is welded on the sliding block, and a limiting clamp is fixedly connected on the secondary spring;
the hydraulic lifting device is characterized in that a second-stage motor is fixedly mounted on the side frame, a ball screw is rotatably connected with the support platform and the output end of the second-stage motor, a nut is mounted on the ball screw, a guide truss is fixedly sleeved on the nut, a moving block is slidably mounted on the guide truss, a main traction rod and a secondary folding rod are respectively mounted on the guide truss and the moving block through pin shafts, the main traction rod is provided with a miniature hydraulic cylinder connected with the secondary folding rod, the lower end of the moving block is fixedly connected with a lifting transverse plate, the lifting transverse plate is fixedly connected with two fixing clamp plates, the lifting transverse plate is provided with two movable clamp plates through pin shafts, and an elastic expansion piece is connected between the movable clamp.
Preferably, the two driven racks are respectively and horizontally distributed at the two sides of the driving gear, the bearing rod is vertically connected with one end of the driven rack extending out of the supporting platform, and the movable seat is horizontally connected with the upper end of the bearing rod extending out of the supporting platform.
Preferably, the primary spring fixing sleeve is arranged at one end of the guide rod, and the sliding block connected with the primary spring is slidably sleeved on the guide rod.
Preferably, the primary spring is horizontally arranged, and the secondary spring is vertically arranged.
Preferably, the guide truss is horizontally arranged, and two ends of the guide truss are horizontally provided with guide grooves in which the moving blocks are slidably sleeved.
Preferably, one end of the main traction rod, which is far away from the guide truss, is connected with one end of the slave folding rod, which is far away from the moving block, through a pin shaft, and the output end of a micro hydraulic cylinder, which is arranged on the main traction rod, is connected with the slave folding rod through a pin shaft.
Preferably, two the fixed splint are eight style of calligraphy and distribute, and two movable splint that are eight style of calligraphy and distribute lie in between two fixed splint, the elastic expansion ware both ends respectively with two movable splint pin hub connections.
Preferably, the support platform is horizontally welded with a guide expansion plate, and the movable seat is horizontally provided with a guide hole for arranging the guide expansion plate in a sliding sleeve manner.
Compared with the prior art, the invention has the following advantages:
1. the invention sets a driving gear which is driven by a primary motor to rotate in a supporting platform with a hollow structure, and drives two driven racks to horizontally extend and retract by utilizing the driving gear so as to enable a moving seat connected with the driven racks through a bearing rod to horizontally move, so that a volumetric flask on the moving seat corresponds to a burette on a side frame.
2. The invention utilizes a transversely arranged primary spring and a longitudinally arranged secondary spring to support and install a limiting clamp together in a moving seat so as to limit a volumetric flask in the moving seat; through set up the tray that holds by little vibrator support in upper end open-ended removal seat, utilize the tray to carry out the bearing to the volumetric flask and place for can carry out the drive that shakes a little to the volumetric flask that loads oil field quality of water solution through opening and close little vibrator.
3. According to the burette clamping device, the ball screw driven by the secondary motor is arranged in the side frame, the nut on the ball screw is used for driving the guide truss to perform stable height position adjustment, and the main traction rod and the auxiliary folding rod driven by the hydraulic cylinder are connected between the guide truss and the moving block, so that the moving block can perform stable position adjustment in the horizontal direction, and the burette is clamped and limited on the hoisting transverse plate at the lower end of the moving block.
In summary, the invention is provided with the driving gear which is driven by the primary motor to rotate, and the driving gear drives the two driven racks to horizontally extend and retract, so that the moving seat connected with the driven racks through the bearing rod horizontally moves, and the moving seat for placing the volumetric flask can vertically correspond to the burette; a first-stage spring and a second-stage spring which is longitudinally arranged are used for supporting and mounting a limiting clamp on the movable seat to limit the volumetric flask; the bearing plate supported by the micro-vibrator is arranged in the movable seat with the opening at the upper end, so that the micro-vibration driving can be carried out on the volumetric flask loaded with the oil field water quality solution by opening and closing the micro-vibrator; the ball screw driven by the secondary motor is arranged in the side frame, so that the height position is adjusted conveniently; the main traction rod and the auxiliary folding rod which are driven by the hydraulic cylinder are connected between the guide truss and the moving block, so that the moving block can be stably adjusted in the horizontal direction, and the burette and the volumetric flask can be correspondingly adjusted in position.
Drawings
FIG. 1 is a schematic structural diagram of a burette stand for water quality analysis in an oil field according to the present invention;
FIG. 2 is an enlarged schematic view of part A of a burette stand for water quality analysis in oil fields according to the present invention;
FIG. 3 is an enlarged schematic view of part B of the burette rack for oilfield water quality analysis according to the present invention;
FIG. 4 is an enlarged schematic view of a part C of a burette stand for oilfield water quality analysis according to the present invention;
fig. 5 is a schematic view of a connection structure of a driving gear and a driven rack of the burette stand for oilfield water quality analysis according to the present invention.
In the figure: the device comprises a bearing stand 1, side frames 2, a support 3, a first-stage motor 4, a driving gear 5, a driven rack 6, a bearing rod 7, a moving seat 8, a micro-vibrator 9, a bearing plate 10, a guide rod 11, a first-stage spring 12, a sliding block 13, a second-stage spring 14, a limiting clamp 15, a second-stage motor 16, a ball screw 17, a nut 18, a guide truss 19, a moving block 20, a main traction rod 21, a secondary folding rod 22, a miniature hydraulic cylinder 23, a transverse hoisting plate 24, a fixed clamping plate 25, a movable clamping plate 26, an elastic expansion piece 27, a guide expansion plate 28 and a guide hole 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a burette stand for oilfield water quality analysis comprises a bearing stand 1, wherein a side frame 2 and a support 3 are respectively and fixedly installed on the bearing stand 1, and specifically, referring to the description of the drawing 1, the side frame 2 is an L-shaped structure, is connected to the bearing stand 1 through bolts, and the support 3 is located below the side frame 2;
a first-stage motor 4 is fixedly installed in a supporting platform 3, the first-stage motor 4 adopts a servo motor with the product model of MR-J2S-100B, a driving gear 5 is fixedly sleeved on the output end of the first-stage motor 4, two driven racks 6 meshed with the driving gear 5 are sleeved in the supporting platform 3 in a sliding manner, bearing rods 7 are welded on the two driven racks 6 respectively, as can be seen particularly from the attached drawing 5 in the specification, the driving gear 5 is rotated in different directions, so that the two driven racks 6 can move horizontally in opposite directions or reverse directions, the horizontal position of the moving seat 8 is adjusted, a moving seat 8 with an opening at the upper end is fixedly connected on the bearing rods 7, a micro-vibrator 9 is fixedly installed in the moving seat 8, the micro-vibrator 9 can adopt a micro device with the UMI American brand model of BS-10W to drive the micro-vibration of a volumetric flask, and accelerate the mixing of the water quality of, a bearing tray 10 connected with the output end of the micro-vibrator 9 is movably arranged in an opening at the upper end of the movable seat 8, it is to be noted that the bearing tray 10 is positioned in the opening at the upper end of the movable seat 8 to provide a placing and supporting effect for the volumetric flask, a guide rod 11 is fixedly arranged in the upper end of the movable seat 8, the guide rod 11 is respectively sleeved with a first-stage spring 12 and a slider 13 which are connected, a second-stage spring 14 is welded on the slider block 13, and a limiting clamp 15 is fixedly connected on the second-stage spring 14, as can be seen particularly by referring to the attached figures 1 and 3 of the specification, the limiting clamp 15 is positioned at the peripheral position of the opening at the upper end of the movable seat 8 and can elastically clamp and limit the volumetric flask positioned in the opening position at the upper end of the movable;
a secondary motor 16 is fixedly installed on the side frame 2, the secondary motor 16 adopts a servo motor with the product model of HC-SFS352B, the output end of the secondary motor 16 is fixedly connected with a ball screw 17 which is rotationally connected with the support platform 3, a nut 18 is installed on the ball screw 17, a guide truss 19 is fixedly sleeved on the nut 18, under the driving action of the secondary motor 16, the nut 18 can drive the guide truss 19 to move up and down stably, a moving block 20 is installed on the guide truss 19 in a sliding way, a main traction rod 21 and a secondary folding rod 22 which are connected with the guide truss 19 and the moving block 20 are respectively installed on a pin shaft, a micro hydraulic cylinder 23 connected with the secondary folding rod 22 is installed on the main traction rod 21, the model of the micro hydraulic cylinder 23 is tg1350621, the micro hydraulic cylinder can adjust the opening and closing state of the main traction rod 21 and the secondary folding rod 22 in the extending and retracting process so as to drive the moving block 20 to move back, ensure that hoist and mount diaphragm 24 and the volumetric flask on removing the seat 8 of movable block 20 lower extreme carry out the vertical correspondence, and movable block 20 lower extreme fixedly connected with hoist and mount diaphragm 24, two solid fixed splint 25 of fixedly connected with on the hoist and mount diaphragm 24, and it has two movable splint 26 to fall the round pin hub connection on the diaphragm 24, be connected with elastic expansion ware 27 between two movable splint 26, through opening and shutting two movable splint 26 so that place the buret between two solid fixed splint 25, it is fixed to it is locked to recycle movable splint 26, so that realize the centre gripping fixed.
Two driven racks 6 are respectively horizontally distributed at two sides of the driving gear 5, the bearing rod 7 and the driven racks 6 extend out of the support table 3 to be vertically connected, the movable seat 8 and the bearing rod 7 extend out of the support table 3 to be horizontally connected, and the two driven racks 6 are controlled to move in opposite directions or reversely to move horizontally, so that the movable group 8 can be adjusted horizontally, and the volumetric flask is ensured to be vertically corresponding to the burette.
The primary spring 12 is fixedly sleeved on one end of the guide rod 11, and the sliding block 13 connected with the primary spring 12 is slidably sleeved on the guide rod 11.
Referring to the attached fig. 3 in the specification specifically, the first-stage spring 12 is horizontally arranged, the second-stage spring 14 is vertically arranged, and the limit clamps 15 which are circumferentially distributed can stably limit and clamp the volumetric flask under the combined action of the first-stage spring 12 and the second-stage spring 14.
The guide truss 19 is horizontally arranged, and two ends of the guide truss 19 are horizontally provided with guide grooves which are sleeved with the moving block 20 in a sliding manner, so that the stability of the horizontal movement of the moving block 20 is ensured.
One end of the main traction rod 21, which is far away from the guide truss 19, is in pin connection with one end of the slave folding rod 22, which is far away from the moving block 20, and the output end of a micro hydraulic cylinder 23, which is arranged on the main traction rod 21, is in pin connection with the slave folding rod 22, so that the main traction rod 21 and the slave folding rod 23 are opened and closed by controlling the expansion and contraction of the micro hydraulic cylinder 23, and the moving block 20 is dragged to horizontally move.
Specifically, referring to fig. 1 and fig. 4 of the specification, the two fixed splints 25 are distributed in a splayed shape, the two movable splints 26 distributed in a splayed shape are located between the two fixed splints 25, and two ends of the elastic expansion piece 28 are respectively connected with the two movable splints 26 through pin shafts.
The horizontal welding has direction expansion plate 28 on a 3, and removes the seat 8 normal horizontal open and be equipped with the guiding hole 29 that the slip cap established direction expansion plate 28, and it can provide direction limiting displacement for horizontal migration's removal seat 8, avoids removing seat 8 vibration excessively simultaneously.
The invention can be illustrated by the following operating modes:
the primary motor 4 is controlled to be started, the output end of the primary motor 4 drives the driving gear 5 to rotate, the driving wheel 5 drives the two driven racks 6 which are meshed and connected with the driving gear to horizontally move, the driven racks 6 drive the moving seat 8 to horizontally move through the bearing rod 7, and the moving seat 8 is enabled to horizontally move left and right under the guidance of the guide expansion plate 28;
a volumetric flask is placed in an opening at the upper end of the movable seat 8, the volumetric flask is placed on the bearing tray 10, and under the elastic action of the primary spring 12 and the secondary spring 14, the limiting clamp 15 clamps and limits the volumetric flask;
controlling a secondary motor 16 on the side frame 2 to be started, and driving a ball screw 17 to rotate by an output end of the secondary motor 16 so that a nut 18 drives a guide truss 19 to synchronously move up and down;
the opening of a micro hydraulic cylinder 23 is controlled on the guide truss 19, the output end of the micro hydraulic cylinder 23 extends to push the secondary folding rod 22, so that the secondary folding rod 22 and the main traction rod 21 are gradually unfolded, the moving block 20 is pushed, and the moving block 20 drives a hoisting transverse plate 24 to move to a position right above the moving base 8;
extruding the two movable clamping plates 26 to enable the elastic expansion piece 27 to contract, vertically placing the burette between the fixed clamping plate 25 and the movable clamping plate 26, releasing the movable clamping plates 26, and clamping and fixing the burette under the elastic action of the elastic expansion piece 27;
the water quality of the oil field is conveniently titrated into the volumetric flask by opening the burette;
and then the micro-vibrator 9 is controlled to be started, and the micro-vibrator 9 drives the volumetric flask to vibrate to a certain degree through the bearing plate 10 so as to accelerate the uniform mixing of the oil field water quality in the volumetric flask and ensure the activity of the oil field water quality.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A burette stand for oilfield water quality analysis comprises a bearing stand (1), and is characterized in that a side frame (2) and a support (3) are fixedly installed on the bearing stand (1) respectively;
a first-stage motor (4) is fixedly arranged in the supporting platform (3), a driving gear (5) is fixedly sleeved on the output end of the first-stage motor (4), two driven racks (6) meshed with the driving gear (5) are sleeved in the supporting platform (3) in a sliding manner, bearing rods (7) are welded on the two driven racks (6), a movable seat (8) with an upper end opening is fixedly connected on the bearing rods (7), a micro-vibrator (9) is fixedly arranged in the movable seat (8), a bearing tray (10) connected with the output end of the micro-vibrator (9) is movably arranged in the upper end opening of the movable seat (8), a guide rod (11) is fixedly arranged in the upper end of the movable seat (8), a first-stage spring (12) and a sliding block (13) which are connected are sleeved on the guide rod (11) respectively, and a second-stage spring (14) is welded on the sliding block (13), and the secondary spring (14) is fixedly connected with a limiting clamp (15);
a secondary motor (16) is fixedly installed on the side frame (2), the output end of the secondary motor (16) is fixedly connected with a ball screw (17) rotatably connected with the supporting platform (3), a nut (18) is installed on the ball screw (17), a guide truss (19) is fixedly sleeved on the nut (18), a moving block (20) is slidably installed on the guide truss (19), a main traction rod (21) and a secondary folding rod (22) which are connected are respectively installed on the guide truss (19) and the moving block (20) through pin shafts, a micro hydraulic cylinder (23) connected with the secondary folding rod (22) is installed on the main traction rod (21), a hoisting transverse plate (24) is fixedly connected with the lower end of the moving block (20), two fixed clamping plates (25) are fixedly connected on the hoisting transverse plate (24), and two movable clamping plates (26) are connected on the hoisting transverse plate (24) through pin shafts, an elastic expansion piece (27) is connected between the two movable clamping plates (26).
2. The oilfield water quality analysis burette rack according to claim 1, wherein the two driven racks (6) are respectively horizontally distributed at two sides of the driving gear (5), the bearing rod (7) is vertically connected with one end of the driven rack (6) extending out of the support platform (3), and the movable base (8) is horizontally connected with the upper end of the bearing rod (7) extending out of the support platform (3).
3. The burette rack for oilfield water quality analysis according to claim 1, wherein the primary spring (12) is fixedly sleeved on one end of the guide rod (11), and the slide block (13) connected with the primary spring (12) is slidably sleeved on the guide rod (11).
4. The burette rack for oilfield water quality analysis according to claim 3, wherein the primary spring (12) is horizontally disposed and the secondary spring (14) is vertically disposed.
5. The burette rack for oilfield water quality analysis according to claim 1, wherein the guide truss (19) is horizontally arranged, and guide grooves for slidably sleeving the moving blocks (20) are horizontally arranged at two ends of the guide truss (19).
6. The burette rack for oilfield water quality analysis according to claim 5, wherein one end of the main traction rod (21) far away from the guide truss (19) is connected with one end of the slave folding rod (22) far away from the moving block (20) through a pin shaft, and the output end of the micro hydraulic cylinder (23) with the pin shaft installed on the main traction rod (21) is connected with the slave folding rod (22) through a pin shaft.
7. The burette rack for oilfield water quality analysis according to claim 1, wherein two of the fixed clamping plates (25) are distributed in a splayed shape, two of the movable clamping plates (26) distributed in a splayed shape are positioned between the two fixed clamping plates (25), and two ends of the elastic expansion piece (28) are respectively connected with the two movable clamping plates (26) through pin shafts.
8. The burette rack for oilfield water quality analysis according to claim 2, wherein the supporting platform (3) is horizontally welded with a guide expansion plate (28), and the movable seat (8) is horizontally provided with a guide hole (29) which is sleeved with the guide expansion plate (28) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498973.4A CN112718037A (en) | 2020-12-17 | 2020-12-17 | Titration pipe rack for oilfield water quality analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498973.4A CN112718037A (en) | 2020-12-17 | 2020-12-17 | Titration pipe rack for oilfield water quality analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112718037A true CN112718037A (en) | 2021-04-30 |
Family
ID=75603121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011498973.4A Withdrawn CN112718037A (en) | 2020-12-17 | 2020-12-17 | Titration pipe rack for oilfield water quality analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112718037A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3636432A1 (en) * | 1986-10-25 | 1988-05-05 | Horst Haering | Burette holder |
| EP1825915A2 (en) * | 2006-02-28 | 2007-08-29 | Eppendorf Ag | System and method for titrating fluids |
| CN201427054Y (en) * | 2009-04-22 | 2010-03-24 | 潍坊东升电子有限公司 | Universal laboratory bench |
| CN203598845U (en) * | 2013-12-17 | 2014-05-21 | 中国石油天然气集团公司 | Burette stand for oil field water quality analysis |
| CN204411375U (en) * | 2015-01-17 | 2015-06-24 | 鲁奎 | A kind of have the drainage bottle getting liquid assembly |
| CN107433214A (en) * | 2017-08-17 | 2017-12-05 | 成都润伯科技有限公司 | A kind of full-automatic liquor removing workstation and its liquid relief control method |
| CN107961829A (en) * | 2017-12-12 | 2018-04-27 | 郑州赫恩电子信息技术有限公司 | A kind of teachers ' teaching chemical experiment demonstration table |
| CN209049414U (en) * | 2018-10-12 | 2019-07-02 | 三峡大学 | A kind of new chemical experimental iron support |
| CN210347565U (en) * | 2019-04-16 | 2020-04-17 | 江苏赛夫特半导体材料检测技术有限公司 | Automatic titrator for laboratory |
| CN210964931U (en) * | 2019-11-01 | 2020-07-10 | 南京康鹏检测技术有限公司 | Reagent dripping sample system of magnetic stirrer |
| CN211586691U (en) * | 2020-01-10 | 2020-09-29 | 上海源本食品质量检验有限公司 | Titration tube rack convenient to adjust |
-
2020
- 2020-12-17 CN CN202011498973.4A patent/CN112718037A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3636432A1 (en) * | 1986-10-25 | 1988-05-05 | Horst Haering | Burette holder |
| EP1825915A2 (en) * | 2006-02-28 | 2007-08-29 | Eppendorf Ag | System and method for titrating fluids |
| CN201427054Y (en) * | 2009-04-22 | 2010-03-24 | 潍坊东升电子有限公司 | Universal laboratory bench |
| CN203598845U (en) * | 2013-12-17 | 2014-05-21 | 中国石油天然气集团公司 | Burette stand for oil field water quality analysis |
| CN204411375U (en) * | 2015-01-17 | 2015-06-24 | 鲁奎 | A kind of have the drainage bottle getting liquid assembly |
| CN107433214A (en) * | 2017-08-17 | 2017-12-05 | 成都润伯科技有限公司 | A kind of full-automatic liquor removing workstation and its liquid relief control method |
| CN107961829A (en) * | 2017-12-12 | 2018-04-27 | 郑州赫恩电子信息技术有限公司 | A kind of teachers ' teaching chemical experiment demonstration table |
| CN209049414U (en) * | 2018-10-12 | 2019-07-02 | 三峡大学 | A kind of new chemical experimental iron support |
| CN210347565U (en) * | 2019-04-16 | 2020-04-17 | 江苏赛夫特半导体材料检测技术有限公司 | Automatic titrator for laboratory |
| CN210964931U (en) * | 2019-11-01 | 2020-07-10 | 南京康鹏检测技术有限公司 | Reagent dripping sample system of magnetic stirrer |
| CN211586691U (en) * | 2020-01-10 | 2020-09-29 | 上海源本食品质量检验有限公司 | Titration tube rack convenient to adjust |
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Application publication date: 20210430 |