Slurry sampling device for lithium iron phosphate
Technical Field
The utility model relates to a sample sampling technical field, concretely relates to thick liquids sampling device for lithium iron phosphate.
Background
With the establishment of the national new energy strategy, new energy automobiles are more and more popular, so that power batteries are rapidly developed, and lithium iron phosphate materials are the materials of the mainstream power batteries at present. When a high-temperature solid-phase method is used for preparing the lithium iron phosphate material, two raw materials of iron phosphate and lithium carbonate are ground by a sand mill, and after the grinding reaches a certain particle size standard, the two raw materials can be transferred to the next production procedure; in the production process of the lithium iron phosphate material, the feeding amount of a batch of iron phosphate is different from 5 tons to 10 tons, and the formed slurry is more different from 20 tons to 40 tons; the slurry sampling can be continuously detected in the grinding process, and because the stirring tank body is too large in volume and generally has a height of 4-8 m, the uniformity of slurry on the upper layer and the lower layer of the tank body is not good, the phenomena of low solid content of the slurry on the upper layer and high solid content of the slurry on the lower layer can occur, and if the slurry in the middle and the bottom of the tank body cannot be taken in the detection of indexes, the detection indexes cannot reflect real slurry indexes.
Most of the existing sampling devices are simple and easy, are inconvenient to store and can only take upper-layer slurry due to the fact that a small bottle is bound at the tail end of a long PVC pipe, and the solid content of the reaction slurry with unreasonable detection indexes cannot be truly detected due to unreasonable sampling conditions; therefore, a slurry sampling device is needed to solve the above problems.
Disclosure of Invention
The utility model aims at providing a thick liquids sampling device for lithium iron phosphate through this device, can get the internal arbitrary high thick liquids of jar simultaneously, and then carries out contrastive analysis to the thick liquids of co-altitude not simultaneously, makes the detection index more representative to obtain truer thick liquids data.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a slurry sampling device for lithium iron phosphate comprises a sleeve, wherein a plurality of sampling cavities are arranged in the sleeve at equal intervals, occupy the space of the sleeve larger than the radius, the upper end of each sampling cavity is provided with a penetrating hole, the lower end of each sampling cavity is provided with an installation hole on the circumferential wall of the sleeve, a plunger pulling piece is connected in the sampling cavities in a sealing and sliding manner, the same pull rod is connected in the sleeve after the plunger pulling pieces penetrate through the penetrating holes, and the pull rod penetrates through the sleeve and is connected with a pull ring;
threaded connection has the sample cover mouth in the mounting hole, sample cover mouth one end can be dismantled and is connected with sample hole spare, sample hole spare is the interchangeable spare part among the aperture specification is many.
And, plunger pull spare includes the base, the parcel has the sealing member on the base, sealing member outer wall and the sealed sliding connection of sampling chamber guarantee the state of forming the negative pressure in the sampling chamber during the application, and then with the thick liquids suction, base upper end fixedly connected with pull board, pull board runs through behind the through-hole and is connected with the pull rod.
And, sample choke one end is equipped with the fixture block, the sample choke other end is equipped with the silica gel piece, cut with the gap on the silica gel piece, the gap on the silica gel piece produces deformation and lets the thick liquids pass through when the negative pressure, can prevent to sample the thick liquids of intracavity and outwards spill over when just having ordinary pressure.
Moreover, the penetrating hole and the drawing plate are both in a cross shape and are matched, so that the overall stability of the plunger drawing piece can be ensured during upward drawing.
And the sleeve pipe comprises a first pipe, a second pipe and a third pipe, wherein the outer walls of the upper ends of the first pipe and the second pipe are fixedly connected with limit groove blocks, the outer walls of the lower ends of the second pipe and the third pipe are fixedly connected with supporting discs, and the supporting discs are connected with pressure springs.
And, the pot head has the connecting piece under pipe two and the pipe three, connecting piece inner wall bottom is equipped with a plurality of spacing fixture blocks, the interior roof of connecting piece contacts with the pressure spring top, pipe one and pipe two, pipe two and pipe tee bend are crossed spacing fixture block and are connected with spacing groove block looks block, can dismantle upper and lower sleeve pipe quick connection through the deformation of connecting piece and pressure spring.
And the inner walls of the lower ends of the second pipe and the third pipe are fixedly connected with a stabilizing pipe, the other end of the stabilizing pipe is sleeved in the sleeve of the lower end, and the stability of connection of the two sleeves can be improved in specific application.
Moreover, the lithium iron phosphate slurry sampling device further comprises an extension bar, the lower end of the extension bar is fixedly connected with a threaded sleeve, and the other end of the threaded sleeve is in threaded connection with the top end of the pull rod or the top end of a second extension bar;
the top end of the extension bar can be connected with a pull ring.
And, the sampling sleeve mouth is supporting to have the spanner, draw-in groove and fixture block looks adaptation that are equipped with on the spanner pull down the sampling sleeve mouth in the sample chamber through the spanner in turn after the sample is accomplished, take out the thick liquids in the sample chamber.
A plurality of scale marks are equally marked on the circumferential surfaces of the first pipe, the second pipe and the third pipe, the scale marks form a scale, and the scale marks can be used for recording and sampling when the stirring tank body is inserted into the device.
The beneficial effects of the utility model are that:
1. the utility model discloses when the sample, can get the thick liquids of jar internal arbitrary height simultaneously, and then carry out contrastive analysis to the thick liquids of co-altitude not simultaneously, make the detection index have more representativeness to obtain truer thick liquids data.
2. The utility model discloses in through the sample detection of the agitator tank body of the adaptable not co-altitude of extension corresponding sleeve pipe, can take a sample simultaneously also can take a sample alone, the range of application is extensive, and the value of utilization is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall explosion of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view of a first tube of the present invention;
FIG. 5 is a schematic structural diagram of a first pipe in the present invention;
fig. 6 is a schematic structural view of a tube one at another viewing angle according to the present invention;
fig. 7 is a schematic structural view of a plunger drawer and a pull rod according to the present invention;
FIG. 8 is a schematic structural view of a sampling nipple and a sampling hole member according to the present invention;
FIG. 9 is a schematic view of the back of a sampling nipple according to the present invention;
FIG. 10 is a schematic structural view of a second pipe of the present invention;
fig. 11 is a schematic structural view of a connecting member in the utility model;
FIG. 12 is an enlarged view of portion A of FIG. 5;
FIG. 13 is an enlarged view of portion B of FIG. 10;
FIG. 14 is an enlarged view of portion C of FIG. 7;
fig. 15 is an enlarged view of a portion D in fig. 7.
In the figure: 1. a first pipe; 101. a limiting groove block; 2. a second pipe; 201. a support disc; 3. a third pipe; 4. a sampling cavity; 401. a through hole; 402. mounting holes; 5. a plunger drawer; 501. a base; 502. a seal member; 503. a drawing plate; 6. a pull rod; 7. a pull ring; 8. a sampling sleeve nozzle; 801. a silica gel sheet; 9. a sampling bore member; 10. a pressure spring; 11. a stabilizer tube; 12. a connecting member; 1201. a limiting clamping block; 13. lengthening a rod; 14. a threaded bushing; 15. a wrench.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 15, the slurry sampling device for lithium iron phosphate of this embodiment includes a casing, a plurality of sampling chambers 4 are arranged in the casing at equal intervals, and the plurality of sampling chambers 4 occupy a space of the casing larger than a radius, a through hole 401 is formed at an upper end of each sampling chamber 4, a mounting hole 402 is formed at a lower end of each sampling chamber 4 and on a circumferential wall of the casing, a plunger pull piece 5 is connected in the sampling chamber 4 in a sliding manner in a sealing manner, the same pull rod 6 is connected in the casing after the plurality of plunger pull pieces 5 penetrate through the through hole 401, and a pull ring 7 is connected to the pull rod 6 in a threaded manner after the pull rod passes through the casing; the mounting hole 402 internal thread is connected with a sampling sleeve mouth 8, and 8 one end threaded connection of sampling sleeve mouth has a sampling hole spare 9, sampling hole spare 9 is the spare part in the aperture specification is many.
Preferably, plunger pull 5 includes base 501, and the parcel has sealing member 502 on the base 501, and sealing member 502 outer wall and sample chamber 4 sealing sliding connection guarantee the state of negative pressure in the sample chamber during the application, and then with the thick liquids suction, base 501 upper end fixedly connected with pull board 503, pull board 503 runs through behind the penetrating hole 401 and is connected with pull rod 6, penetrating hole 401 and pull board 503 are cross form, and looks adaptation, can guarantee plunger pull 5's overall stability during the upwards pull.
Preferably, a clamping block is arranged at one end of the sampling sleeve nozzle 8, a silica gel sheet 801 is arranged at the other end of the sampling sleeve nozzle 8, a gap is cut on the silica gel sheet 801, the gap on the silica gel sheet 801 deforms under negative pressure to allow slurry to pass through, and the slurry in the sampling cavity 4 can be prevented from overflowing outwards under normal pressure.
Example 2
The improvement is carried out on the basis of the embodiment 1.
Preferably, the sleeve comprises a first pipe 1, a second pipe 2 and a third pipe 3, the outer walls of the upper ends of the first pipe 1 and the second pipe 2 are fixedly connected with a limiting groove block 101, the outer walls of the lower ends of the second pipe 2 and the third pipe 3 are fixedly connected with a supporting plate 201, and a pressure spring 10 is connected to the supporting plate 201; the lower ends of the second pipe 2 and the third pipe 3 are sleeved with a connecting piece 12, the bottom of the inner wall of the connecting piece 12 is provided with a plurality of limiting clamping blocks 1201, the inner top wall of the connecting piece 12 is contacted with the top of the pressure spring 10, the first pipe 1, the second pipe 2 and the third pipe 3 are clamped and connected with the limiting groove blocks 101 through the limiting clamping blocks 1201, and the upper sleeve and the lower sleeve can be quickly connected and disassembled through the deformation of the connecting piece and the pressure spring; fixedly connected with stabilizator pipe 11 on the pipe two 2 and the pipe three 3 lower extreme inner wall, in the steady pipe 11 other end emboliaed the lower extreme cover pipe, can increase two sheathed tube connected stability when using.
Preferably, the slurry sampling device for lithium iron phosphate further comprises an extension bar 13, the lower end of the extension bar 13 is fixedly connected with a threaded sleeve 14, and the other end of the threaded sleeve 14 is in threaded connection with the top end of the pull rod 6 or the top end of a second extension bar 13; the top end of the extension bar 13 can be also connected with a pull ring 7.
Preferably, sample cover mouth 8 is supporting to have spanner 15, and draw-in groove and fixture block looks adaptation that are equipped with on the spanner 15 pull down sample cover mouth 8 of sample chamber 4 through spanner 15 after the sample is accomplished, take out the thick liquids in the sample chamber 4 afterwards and detect.
Preferably, a plurality of scale marks (not shown in the figure) are equidistantly marked on the circumferential surfaces of the first pipe 1, the second pipe 2 and the third pipe 3, a scale is formed by the plurality of scale marks, and recording and sampling can be carried out through the scale when the device is inserted into the stirring tank body.
The working principle is as follows:
the jar body is highly limited, use alone when pipe 1, to corresponding 6 top threaded connection pull rings 7 of pull rod, insert a pipe 1 through observing corresponding scale in the thick liquids, wait to insert to upwards pull up pull ring 7 after the suitable degree of depth, form the negative pressure in the sample chamber 4 this moment, thick liquids in the jar body enter into sample chamber 4 through sample hole spare 9 and sample cover mouth 8 in, the sample is accomplished, take out pipe 1 from thick liquids, dismantle sample cover mouth 8 in turn through spanner 15, its degree of depth and record are recalculated to position and scale and the depth of insertion that correspond the mounting hole, finally detect the thick liquids sample.
The jar body has a take the altitude, with pipe 1, when pipe 2 connects the use, at first extension bar 13 is connected on 6 tops of pull rod in pipe 1, embolia pipe 1 after the upper end with stabilizator pipe 11 afterwards and will manage 1 through connecting piece 12, pipe two 2 are connected, wherein pipe 1 top and pipe two 2 bottoms contact, its interval can be neglected, the top threaded connection pull ring 7 of pull rod 6 in extension bar 13 and pipe two 2 afterwards, insert the thick liquids through observing corresponding scale with pipe 1 and pipe two 2 of connecting in, detect the thick liquids sample of taking out under the same principle.
The jar body is high, when using pipe 1, pipe two 2, pipe three 3 to connect, disassemble pull ring 7 on connecting pipe 1 and pipe two 2's basis, later on extension bar 13 upper end threaded connection second extension bar 13, the third extension bar 13 of upper end threaded connection of pull rod 6 in pipe two 2, later on embolia pipe two 2 upper end with corresponding stable pipe 11 and then with pipe two 2, pipe three 3 connects through second connecting piece 12, later on second, third extension bar 13 and pipe three 3 in the top threaded connection pull ring 7 of pull rod 6, insert the thick liquids through observing corresponding scale with pipe 1, pipe two 2 and pipe three 3 of connecting in, detect the thick liquids sample that takes out under the same principle.
When the tank body is quite high, a plurality of sections of standby second pipes 2 and extension rods 13 can be added between the second pipes 2 and the third pipes 3 for sampling.
When multistage bushing connect used, also can take a sample alone to the thick liquids of the different degree of depth, pull ring 7 on extension bar 13 that concrete will correspond the intraductal pull rod 6 of degree of depth and connect upwards stimulates alone, just can take a sample alone to the different degree of depth.
When the sleeves are connected in the connection use of the first pipe 1 and the second pipe 2 and the connection use of the first pipe 1, the second pipe 2 and the third pipe 3, the central points of the pull rods 6 can be connected in a staggered manner through rotation, meanwhile, the residual space in the sleeves penetrates up and down, the buoyancy can be reduced when slurry is inserted, the use is convenient, and the lengths of the first pipe 1, the second pipe 2 and the third pipe 3 and the number of the sampling cavities 4 can be randomly selected and matched by technicians in the field according to the needs or convenience.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.