Porous stirrer for pretreatment of free iron in soil

Abstract

The utility model discloses a porous stirrer for pretreatment of free iron in soil, which comprises a water bath kettle, the lower side of the water bath kettle is fixedly connected with a base, the upper sides of the two ends of the water bath kettle are both fixedly connected with support plates, a transmission box is detachably connected between the two support plates, a one-to-many driving assembly is mounted on the transmission box, and the other end of the transmission box is fixedly connected with the base. A plurality of adaptive holes are formed in the upper side of the water bath kettle, pipe sleeves are detachably connected to the interiors of the adaptive holes, centrifugal pipes are inserted into the pipe sleeves, a transmission box is erected between two supporting plates, a rocking handle is held to rotate, a driving shaft drives a plurality of driving bevel gears to rotate, and the driving bevel gears are driven by a driving shaft to rotate. The driven bevel gear drives the driven shaft to rotate; the driven shaft drives the circular plate to rotate; the circular plate drives the stirring rod 4 to stir a reagent in the centrifugal tube, so that a plurality of samples can be operated at the same time, and the experiment efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to agitator technical field especially is related to a porous agitator for soil free iron pretreatment. BACKGROUND

[0002] The standard step of soil free iron pretreatment is as follows: first, take 0.5g (accurate to 0.0001g) of air-dried sample through 0.25mm aperture nylon screen, place in 50mL centrifugal tube, add 20mL sodium citrate solution and 2.5mL sodium bicarbonate solution, then put into water bath preheated to 90℃-95℃, when the solution temperature in the centrifugal tube rises to 80℃, add about 0.5g of solid sodium dithionite with a spoon, and continuously stir for 15min, and then take out.

[0003] However, the current processing procedure has obvious problems. On the one hand, during the stirring process, since the water bath temperature is high (80℃-95℃), the experimenter is prone to scalding and other accidents when directly operating, and there is a safety hazard. On the other hand, with the continuous growth of market demand for soil detection, especially the gradual promotion of the third national soil survey detection work, a large number of detection tasks require efficient completion. However, the existing pretreatment steps need to be operated one by one for each sample, which not only consumes a lot of time and prolongs the overall experimental period, but also greatly increases the labor cost, seriously affecting the detection efficiency and cost control.

[0004] Therefore, the utility model discloses a porous agitator for soil free iron pretreatment for solving the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a porous agitator for soil free iron pretreatment to solve the problems of easy scalding of experimenters and low experimental efficiency in the traditional soil free iron pretreatment step in the background art.

[0006] To achieve the above-mentioned purpose, the utility model solves the above-mentioned technical problems by the following scheme: a porous agitator for soil free iron pretreatment, comprising a water bath pot, the lower side of the water bath pot is fixedly connected with a base, the upper side of both ends of the water bath pot is fixedly connected with a support plate, a transmission box is detachably connected between the two support plates, a one-with-many driving assembly is installed on the transmission box, a plurality of stirring rods are drivingly connected with the one-with-many driving assembly, wherein a plurality of adaptive holes are formed in the upper side of the water bath pot, a pipe sleeve is detachably connected in each adaptive hole, a centrifugal tube is inserted in each pipe sleeve, and the end of the stirring rod away from the one-with-many driving assembly extends into the adjacent centrifugal tube.

[0007] As a further scheme of the utility model, the one area multiple drive assembly includes the drive shaft that rotates and is embedded between the two sides inner wall of transmission box and multiple driven shafts that rotate and are embedded on the bottom wall of transmission box, both ends of the drive shaft all stretch out transmission box fixedly connected with the crank handle, the part of the drive shaft in the transmission box is fixedly sleeved with multiple driving bevel gears, the top of the driven shaft all is fixedly connected with driven bevel gear, the driven bevel gear all is engaged with the adjacent driving bevel gear, the bottom of the driven shaft all is fixedly connected with round plate, and the round plate is detachably connected with at least one stirring rod.

[0008] As a further scheme of the utility model, the round plate and located both sides driven shaft are all set up multiple threaded holes, and the threaded hole is with the external thread one end of stirring rod thread connection.

[0009] As a further scheme of the utility model, the both ends of transmission box are all set up notch corresponding adjacent support plate, and the upper side middle part of support plate is all set up bifurcation, and the bifurcation is corresponding drive shaft setting.

[0010] As a further scheme of the utility model, the upper side of water bath and located the peripheral of adaptive hole is equipped with countersunk groove, the outside of pipe sleeve is corresponding countersunk groove fixedly connected with the retaining ring, the bottom wall of countersunk groove is set up with the jack, and the retaining ring is corresponding jack fixedly connected with the limiting rod.

[0011] As a further scheme of the utility model, the middle part of pipe sleeve is all set up pipe hole, and the pipe hole radius on the pipe sleeve of different types is different to adapt to different sizes centrifugal tube.

[0012] As a further scheme of the utility model, the both sides inner wall of water bath is fixedly connected with multiple perforated plate, and the perforated plate is set up with centrifugal tube bottom wall.

[0013] As a further scheme of the utility model, the bottom wall in water bath is fixedly embedded with electric heating plate, the upper side of electric heating plate is covered with heat conduction plate, and the electric heating plate is clamped and fixed between heat conduction plate and water bath.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model relates to a multiple hole type stirrer for soil free iron pretreatment, which comprises a transmission box, a crank handle, a drive shaft, multiple driving bevel gears, multiple driven shafts, a round plate and a stirring rod.

[0016] 2.The utility model relates to a porous stirrer for the pretreatment of free iron in soil, wherein a centrifuge tube containing reagent is inserted into a tube hole until the bottom end of the centrifuge tube contacts a multi-well plate, the centrifuge tube is kept in a vertical state and the bottom of the centrifuge tube is immersed in liquid in a water bath, the heat conduction plate is powered to generate heat, the heat is transferred to the liquid in the water bath through the heat conduction plate, the temperature of the reagent in the centrifuge tube is heated to 80 DEG C, and the experiment can reach an ideal temperature.

[0017] 3.The utility model relates to a porous stirrer for the pretreatment of free iron in soil, wherein a sleeve is detachably connected to an adaptive hole on the upper side of the water bath, a plurality of sleeves with different tube hole radii are prepared, when stirring centrifuge tubes of different sizes, a sleeve with a diameter suitable for the centrifuge tube is selected and installed, the stirring rod is threadedly connected to the threaded hole at different positions on the circular plate, the range of circumferential motion of the stirring rod can be selected, and thus the centrifuge tube of different sizes can be adapted, and the applicability of the stirrer is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described in connection with the drawings and examples:

[0019] Figure 1 It is a perspective view of the porous stirrer for the pretreatment of free iron in soil according to the utility model;

[0020] Figure 2 It is a structure split view of the porous stirrer for the pretreatment of free iron in soil according to the utility model;

[0021] Figure 3 It is a perspective view of the circular plate in the porous stirrer for the pretreatment of free iron in soil according to the utility model;

[0022] Figure 4 It is a front view of the porous stirrer for the pretreatment of free iron in soil according to the utility model;

[0023] Figure 5 It is a structure enlarged view of the porous stirrer for the pretreatment of free iron in soil according to the utility model Figure 4 at A;

[0024] Figure 6 It is a structure enlarged view of the porous stirrer for the pretreatment of free iron in soil according to the utility model Figure 4 at B.

[0025] In the drawings, the components represented by each reference numeral are listed as follows: 1, water bath; 11, base; 12, support plate; 121, bifurcated opening; 13, multi-well plate; 14, electric heating plate; 15, heat-conducting plate; 16, fitting hole; 161, countersunk groove; 2, transmission box; 21, slot; 3, multi-drive assembly; 31, drive shaft; 32, driven shaft; 33, crank handle; 34, driving bevel gear; 35, driven bevel gear; 36, circular plate; 361, threaded hole; 4, stirring rod; 5, tube sleeve; 51, retaining ring; 52, limiting rod; 53, tube hole; 6, centrifuge tube. DETAILED DESCRIPTION

[0026] The utility model is further described below in combination with the embodiments.

[0027] Please refer to Figures 1-6 The utility model provides a porous type stirrer for soil free iron pretreatment, including water bath 1, the downside fixedly connected with base 11 of water bath 1,

[0028] Specifically, the outer surfaces of the water bath 1 and the base 11 are covered with heat preservation materials, which can be ceramic materials, to avoid the water bath 1 and the base 11 from being too hot to cause burns to the experimenter and to reduce heat loss.

[0029] Further, a plurality of fitting holes 16 are formed on the upper side of the water bath 1, an electric heating plate 14 is fixedly embedded on the inner bottom wall of the water bath 1, a heat-conducting plate 15 covers the upper side of the electric heating plate 14, and the electric heating plate 14 is clamped and fixed between the heat-conducting plate 15 and the water bath 1.

[0030] Specifically, the electric heating plate 14 is connected with a power cord, and the power cord is connected to electricity to power the electric heating plate 14. The upper side of the electric heating plate 14 is covered with a heat-conducting plate 15. The heat-conducting plate 15 evenly transmits the heat generated by the electric heating plate 14 to the liquid in the water bath 1, thereby achieving temperature control and maintenance. A thermometer can be inserted into the water bath 1 and the centrifuge tube 6 to detect the temperature, to ensure that the experimental temperature is reached.

[0031] Optionally, a temperature sensor is arranged on the inner bottom wall of the water bath 1. The temperature sensor transmits the detected temperature data to a control terminal located on the power cord. The control terminal is a PCB board. The control terminal controls the power-on state of the electric heating plate 14 according to the temperature data detected by the temperature sensor. When the temperature data is lower than 80℃, the electric heating plate 14 is powered on. When the temperature data is higher than 80℃, the electric heating plate 14 is powered off. In this way, the liquid in the water bath 1 can be maintained at a constant temperature. The centrifuge tube 6 is immersed in the liquid in the water bath 1. After the centrifuge tube 6 is inserted into the water bath 1 for a few seconds, the reagent in the centrifuge tube 6 can be heated to 80℃.

[0032] Further, detachable connection pipe sleeve 5 is arranged in the fitting hole 16, centrifugal tube 6 is inserted in the pipe sleeve 5, the sunken groove 161 is arranged on the upper side of the water bath 1 and outside the fitting hole 16, the stop ring 51 is fixed on the outside of the pipe sleeve 5 corresponding to the sunken groove 161, the hole is arranged on the bottom wall of the sunken groove 161, and the limiting rod 52 is fixed on the stop ring 51 corresponding to the hole.

[0033] Specifically, the stop ring 51 can ensure that the pipe sleeve 5 does not move downward in the fitting hole 16, which is convenient for the experimenter to take out and replace at any time, the limiting rod 52 is inserted into the hole, which can prevent the pipe sleeve 5 from rotating during the use of the water bath 1 and affecting the stirring effect, and ensure that the pipe sleeve 5 always remains in the correct position.

[0034] Further, the perforated plate 13 is fixedly connected between the inner walls of the two sides of the water bath 1, and the perforated plate 13 is arranged in abutment with the bottom wall of the centrifugal tube 6.

[0035] Specifically, the perforated plate 13 provides a stable support platform to ensure that the centrifugal tube 6 remains stable during heating and stirring, and can ensure that the placement position of the centrifugal tube 6 is consistent in each experiment, preventing it from being completely immersed in the water bath 1, and the through holes on the perforated plate 13 allow liquid to pass through, so that the liquid level can be higher than the perforated plate 13, thereby immersing the bottom of the centrifugal tube 6 in the liquid.

[0036] Further, the stirring rod 4 extends to the adjacent centrifugal tube 6 away from one end of the multi-drive assembly 3, the middle part of the pipe sleeve 5 is provided with a pipe hole 53, and the pipe hole 53 on the pipe sleeve 5 of different types has different radii to adapt to centrifugal tubes 6 of different sizes.

[0037] Specifically, by providing the pipe sleeve 5 with pipe holes 53 of different radii, different diameter centrifugal tubes 6 can be adapted, increasing the versatility and flexibility of the stirrer, and the experimenter can select the appropriate pipe sleeve 5 according to the need, quickly replace the centrifugal tube 6, improve the convenience and efficiency of the experiment, and there is no need to purchase a special stirrer for each size of centrifugal tube 6, under the limiting action of the pipe hole 53, the centrifugal tube 6 can be vertically abutted on the upper side of the perforated plate 13, so that the stirring rod 4 can be smoothly stirred.

[0038] Further, the support plate 12 is fixedly connected to the upper side of both ends of the water bath 1, and the transmission box 2 is detachably connected between the two support plates 12, the slot 21 is arranged at both ends of the transmission box 2 corresponding to the adjacent support plate 12, and the bifurcated hole 121 is arranged on the upper middle part of the support plate 12, and the bifurcated hole 121 is arranged corresponding to the drive shaft 31.

[0039] Specifically, the branch plate 12 is inserted in alignment with the notches 21, ensuring the stability of the structure and reducing the possibility of shaking or displacement during stirring, which is very important for maintaining the uniformity and accuracy of stirring, and the bifurcated opening 121 allows the driving shaft 31 to pass through.

[0040] Further, the transmission box 2 is provided with a multi-drive assembly 3, which includes a driving shaft 31 rotatably embedded between the inner walls of the transmission box 2 and a plurality of driven shafts 32 rotatably embedded on the bottom wall of the transmission box 2. The ends of the driving shaft 31 extend out of the transmission box 2 and are fixedly connected with a crank 33. The portion of the driving shaft 31 located inside the transmission box 2 is fixedly sleeved with a plurality of driving bevel gears 34. The top ends of the driven shafts 32 are fixedly connected with driven bevel gears 35, which are in meshing connection with adjacent driving bevel gears 34. The bottom ends of the driven shafts 32 are fixedly connected with circular plates 36, which are detachably connected with at least one stirring rod 4.

[0041] Specifically, after holding the crank 33 and rotating it in one direction for a certain period of time, reverse rotation is performed. The driving shaft 31 drives the plurality of driving bevel gears 34 to rotate, the driving bevel gears 34 meshingly drive the driven bevel gears 35 to rotate, the driven bevel gears 35 drive the driven shafts 32 to rotate, the driven shafts 32 drive the circular plates 36 to rotate, and the circular plates 36 drive the stirring rods 4 to stir the reagent in the centrifugal tubes 6. This can promote the disordered mixing of the reagent. The present application only discloses a 4-hole stirrer, but according to experimental requirements, a 6-hole stirrer, an 8-hole stirrer, or a 12-hole stirrer can also be designed.

[0042] Further, the multi-drive assembly 3 is drivingly connected with a plurality of stirring rods 4. A plurality of threaded holes 361 are formed on the circular plates 36 and located on both sides of the driven shafts 32. The threaded holes 361 are in threaded connection with one ends of the stirring rods 4 having external threads.

[0043] Specifically, the threaded connection between the threaded holes 361 and the stirring rods 4 realizes modular design, so that the stirring rods 4 can be quickly replaced or adjusted as needed, improving the efficiency of the experiment and the adaptability of the equipment. By changing the position of the stirring rods 4 on the circular plates 36, different sizes of centrifugal tubes 6 can be accommodated, enhancing the applicability and flexibility of the stirrer.

[0044] Working principle: in use, first insert the centrifugal tube 6 containing reagent into the tube hole 53, until the bottom end of the centrifugal tube 6 contacts the multi-well plate 13, the centrifugal tube 6 can be kept vertical, then the heat conduction plate 15 is powered to heat, the heat is transmitted to the liquid in the water bath 1 through the heat conduction plate 15, the temperature of the reagent in the centrifugal tube 6 can be heated to 80 DEG C, then the transmission box 2 is erected between the two supporting plates 12, so that the end of the supporting plate 12 is inserted into the adjacent slot 21, the stirring rod 4 can be inserted into the centrifugal tube 6, then one hand presses the transmission box 2 to keep stable, the other hand holds the handle 33 to rotate, the driving shaft 31 drives the plurality of driving bevel gears 34 to rotate, the driving bevel gears 34 engage the transmission driven bevel gears 35 to rotate, the driven bevel gears 35 drive the driven shaft 32 to rotate, the driven shaft 32 drives the circular plate 36 to rotate, the circular plate 36 drives the stirring rod 4 to stir the reagent in the centrifugal tube 6, a plurality of samples can be operated at the same time, which greatly improves the experimental efficiency, and the stirring rod 4 makes circular motion in the water bath 1 by shaking the handle 33, which can avoid the risk of accidental scalding of the experimenter, and protect the personal safety of the experimenter.

Claims

1. A porous agitator for the pre-treatment of free iron in soil, comprising a water bath (1), characterized in that, The lower side of the water bath kettle (1) is fixedly connected with a base (11), the upper side of both ends of the water bath kettle (1) is fixedly connected with a support plate (12), two support plates (12) are detachably connected with a transmission box (2), the transmission box (2) is provided with a plurality of drive assemblies (3), the plurality of drive assemblies (3) are drivingly connected with a plurality of stirring rods (4), wherein a plurality of adaptive holes (16) are formed in the upper side of the water bath kettle (1), a pipe sleeve (5) is detachably connected in each adaptive hole (16), a centrifugal tube (6) is inserted in the pipe sleeve (5), and the end of the stirring rod (4) away from the plurality of drive assemblies (3) extends into the adjacent centrifugal tube (6).

2. A porous stirrer for the pre-treatment of free iron in soil according to claim 1, characterized in that: The plurality of drive assemblies (3) comprise a driving shaft (31) rotatably embedded between the inner walls of the transmission box (2) and a plurality of driven shafts (32) rotatably embedded on the bottom wall of the transmission box (2), the ends of the driving shaft (31) extend out of the transmission box (2) and are fixedly connected with a crank handle (33), the part of the driving shaft (31) in the transmission box (2) is fixedly sleeved with a plurality of driving bevel gears (34), the top end of the driven shaft (32) is fixedly connected with a driven bevel gear (35), the driven bevel gear (35) is meshingly connected with the adjacent driving bevel gear (34), the bottom end of the driven shaft (32) is fixedly connected with a circular plate (36), and at least one stirring rod (4) is detachably connected to the circular plate (36).

3. A porous stirrer for the pre-treatment of free iron in soil according to claim 2, characterized in that: A plurality of threaded holes (361) are formed in the circular plate (36) and on both sides of the driven shaft (32), and the threaded holes (361) are threadedly connected with the end of the stirring rod (4) provided with external threads.

4. A porous stirrer for the pre-treatment of free iron in soil according to claim 2, characterized in that: Grooves (21) are formed in the ends of the transmission box (2) and correspond to the adjacent support plates (12), and bifurcated openings (121) are formed in the upper middle part of the support plate (12), and the bifurcated openings (121) correspond to the driving shaft (31).

5. A porous stirrer for the pre-treatment of free iron in soil according to claim 1, characterized in that: A countersunk groove (161) is arranged on the upper side of the water bath kettle (1) and surrounds the adaptive hole (16), a retaining ring (51) is fixed to the outer side of the pipe sleeve (5) and corresponds to the countersunk groove (161), a plug hole is formed in the bottom wall of the countersunk groove (161), and a limiting rod (52) is fixed to the retaining ring (51) and corresponds to the plug hole.

6. A porous agitator for the pre-treatment of free iron in soil according to claim 1, characterized in that: A pipe hole (53) is formed in the middle part of the pipe sleeve (5), and the pipe holes (53) on the pipe sleeves (5) of different types have different radii to adapt to centrifugal tubes (6) of different sizes.

7. A porous agitator for the pre-treatment of free iron in soil according to claim 1, characterized in that: A multi-hole plate (13) is fixedly connected between the inner walls of the water bath kettle (1), and the multi-hole plate (13) is arranged in abutment with the bottom wall of the centrifugal tube (6).

8. A porous agitator for the pre-treatment of free iron in soil according to claim 1, characterized in that: An electric heating plate (14) is fixedly embedded in the inner bottom wall of the water bath kettle (1), the upper side of the electric heating plate (14) is covered with a heat-conducting plate (15), and the electric heating plate (14) is clamped and fixed between the heat-conducting plate (15) and the water bath kettle (1).

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