阅读说明：本技术 一种可进行原位监测的调节式平底浓密机装置 (Adjustable flat-bottom thickener device capable of carrying out in-situ monitoring ) 是由 李翠平 陈格仲 颜丙恒 胡梦蓉 李�浩 侯贺子 李雪 于 2021-04-09 设计创作，主要内容包括：本发明公开了一种可进行原位监测的调节式平底浓密机装置,包括：浓密机主体、耙架结构以及驱动机构；其中,所述浓密机主体的高度以及所述耙架结构的形态均可进行调节；所述耙架结构设置在所述浓密机主体内,并与所述驱动机构传动连接,所述驱动机构用于驱动所述耙架结构在所述浓密机主体内运动；所述浓密机主体上开设有与所述浓密机主体内部连通的原位监测口,用于依据实验要求对浓密机主体的不同部位进行原位监测或对料浆进行取样分析。本发明可达到底流料浆高浓度稳定排放的效果,同时耙架结构可灵活调节,有利于实验过程中浓密机整体稳定运行,从而提高实验的效率和数据的准确性。(The invention discloses an adjustable flat-bottom thickener device capable of carrying out in-situ monitoring, which comprises: the thickener comprises a thickener main body, a rake frame structure and a driving mechanism; wherein, the height of the thickener main body and the shape of the harrow structure can be adjusted; the rake frame structure is arranged in the thickener main body and is in transmission connection with the driving mechanism, and the driving mechanism is used for driving the rake frame structure to move in the thickener main body; the thickener main body is provided with an in-situ monitoring port communicated with the interior of the thickener main body and used for carrying out in-situ monitoring on different parts of the thickener main body or carrying out sampling analysis on slurry according to experimental requirements. The invention can achieve the effect of stably discharging the high concentration of the underflow slurry, and simultaneously, the structure of the rake frame can be flexibly adjusted, thereby being beneficial to the overall stable operation of the thickener in the experimental process, and further improving the experimental efficiency and the accuracy of data.)

1. A regulated flat bottom thickener apparatus capable of in situ monitoring comprising: the thickener comprises a thickener main body, a rake frame structure and a driving mechanism; wherein, the height of the thickener main body and the shape of the harrow structure can be adjusted;

the rake frame structure is arranged in the thickener main body and is in transmission connection with the driving mechanism, and the driving mechanism is used for driving the rake frame structure to move in the thickener main body;

the thickener main body is provided with an in-situ monitoring port communicated with the interior of the thickener main body and used for carrying out in-situ monitoring on different parts of the thickener main body or carrying out sampling analysis on slurry according to experimental requirements.

2. A regulated flat bottom thickener apparatus according to claim 1 wherein said thickener body comprises a thickener base, a removable middle chamber and a thickener superstructure; the thickener base, the middle cavity and the upper structure of the thickener are detachably connected in sequence from bottom to top; a plurality of in-situ monitoring ports are respectively formed in the thickener base, the middle cavity and the upper structure of the thickener;

one side of thickener superstructure is provided with the overflow mouth, overflow mouth below is provided with tailings slurry inlet pipe and flocculating agent solution inlet pipe, the inside of thickener superstructure is provided with the material mixing section of thick bamboo, tailings slurry inlet pipe with the end of flocculating agent solution inlet pipe all inserts the material mixing section of thick bamboo.

3. The adjustable type flat bottom thickener device capable of in-situ monitoring as claimed in claim 2, wherein the number of in-situ monitoring ports on the base of the thickener is two, and the in-situ monitoring ports on the base of the thickener are symmetrically distributed on the side wall of the base of the thickener along the radial direction of the base of the thickener;

the number of the in-situ monitoring ports on the middle cavity is two, and the in-situ monitoring ports on the middle cavity are symmetrically distributed on the side wall of the middle cavity along the radial direction of the middle cavity;

the in-situ monitoring ports on the upper structure of the thickener are positioned on the side wall of the upper structure of the thickener, and the central lines of the in-situ monitoring ports on the upper structure of the thickener are positioned on the same vertical line.

4. The adjustable type flat bottom thickener apparatus capable of in-situ monitoring as claimed in claim 2, wherein the top end of said thickener base, both ends of said middle cavity and the bottom end of said upper structure of said thickener are respectively provided with a connecting end; the two corresponding connecting ends of the thickener base, the middle cavity and the upper structure of the thickener are fixedly connected by adopting bolt structures.

5. An adjustable, flat bottom thickener apparatus with in situ monitoring as claimed in claim 4 wherein a sealing ring is provided between the two connecting ends which are secured by a bolt structure.

6. A regulated flat bottom thickener apparatus according to claim 2 wherein said rake structure comprises a rake drive shaft, a transverse rake and a longitudinal water guide bar; wherein the content of the first and second substances,

the rake rack transmission shaft penetrates through the whole thickener main body along the longitudinal direction of the thickener main body, a clamping groove is formed in the thickener base, the bottom end of the rake rack transmission shaft is inserted into the clamping groove and can rotate in the clamping groove, and the top end of the rake rack transmission shaft is in transmission connection with the driving mechanism;

the horizontal harrow rack is fixed on the harrow rack transmission shaft and is detachably connected with the harrow rack transmission shaft, and the vertical water guide rod is inserted in the horizontal harrow rack and is detachably connected with the horizontal harrow rack.

7. An adjustable, flat bottom thickener apparatus according to claim 6 wherein said rake drive shaft is extended by a rake drive shaft connection.

8. An adjustable type flat bottom thickener apparatus according to claim 6 wherein said transverse rake is bi-directionally fixed to said rake drive shaft by a nut and said longitudinal water guide bar is bi-directionally fixed to said transverse rake by a nut.

9. An adjustable, flat bed thickener apparatus with in situ monitoring as claimed in claim 1 wherein said drive mechanism comprises a torque motor and a torque motor mounting plate; wherein the content of the first and second substances,

the torque motor passes through the torque motor fixed disk is installed the top of thickener main part, the harrow frame structure pass through torque motor adapter with torque motor connects.

10. The adjustable type flat bottom thickener apparatus capable of in-situ monitoring as claimed in claim 2, wherein an anti-slip ring is provided outside the in-situ monitoring port; the bottom end of the rake frame structure is provided with a bow structure; wherein, the bow structure and the in-situ monitoring port on the thickener base are positioned at the same horizontal position.

Technical Field

The invention relates to a thickener in a paste filling process link and the technical field of thickener experiments carried out indoors in colleges and scientific research institutions, in particular to an adjustable flat-bottom thickener device capable of carrying out in-situ monitoring.

Background

The development of the paste filling technology is an important measure for practicing the national concept of 'green mining', has the advantages of environmental protection, safety, high efficiency and the like, and is the main direction of the future mine production development. The tailing concentration is used as the primary link of the paste filling technology, the quality of the underflow effect has important influence on the subsequent process link, and the stable high-concentration underflow provides powerful guarantee for the continuous filling mining of mines. For this reason, ensuring the stability of the underflow concentration of the thickener is the key to achieving paste filling. In order to find out the problems existing in the thickening link and the stable operation of a thickening system, a small-sized thickener experiment is usually preferentially developed indoors, and theoretical knowledge and field guidance are provided for engineering problems.

The existing thickener model equipment is usually designed based on a specific structural parameter, and has the following problems:

1. the thickener main body is of a closed structure except for the feeding pipe, the discharging pipe and the overflow pipe, and in an experimental process, a research object cannot be monitored in situ, so that the change condition of the research object is unclear, the existing problems are difficult to find, and certain defects are realized.

2. Except for the airtight space, the thickener model in the past is often less at a discharge outlet at the bottom due to the reduction of the size of the thickener, so that the quick discharge is difficult to realize when the experiment is completed, the experiment is not favorable for the effective development, the main structure of the thickener is often fixed, the experimental research can be only carried out aiming at a certain specific condition, and the experiment is not favorable for the flexible development.

3. The rake frame structure of the existing thickener cannot be flexibly changed due to the setting of experience, and the rake frame is stressed and deformed due to the increase of the concentration of tailing slurry in the shearing process, so that the stable operation of a thickener model is not facilitated, and the development of experiments is influenced. In addition, the previous thickener model is usually only focused on the bottom rake for shearing, so that stable high-concentration underflow is difficult to realize, and the smooth operation of a subsequent filling link is not facilitated.

Disclosure of Invention

The invention provides an adjustable flat-bottom thickener device capable of carrying out in-situ monitoring, which aims to solve the technical problems of the conventional thickener device.

In order to solve the technical problems, the invention provides the following technical scheme:

an adjustable flat-bottom thickener device capable of carrying out in-situ monitoring comprises a thickener main body, a rake structure and a driving mechanism; wherein, the height of the thickener main body and the shape of the harrow frame structure can be adjusted;

the rake frame structure is arranged in the thickener main body and is in transmission connection with the driving mechanism, and the driving mechanism is used for driving the rake frame structure to move in the thickener main body;

the thickener main body is provided with an in-situ monitoring port communicated with the interior of the thickener main body and used for carrying out in-situ monitoring on different parts of the thickener main body or carrying out sampling analysis on slurry according to experimental requirements.

Further, the thickener main body comprises a thickener base, a detachable middle cavity and a thickener upper structure; wherein the thickener base, the middle cavity and the upper structure of the thickener are detachably connected in sequence from bottom to top; a plurality of in-situ monitoring ports are respectively formed in the base of the thickener, the middle cavity and the upper structure of the thickener;

one side of thickener superstructure is provided with the overflow mouth, overflow mouth below is provided with tailings slurry inlet pipe and flocculating agent solution inlet pipe, the inside of thickener superstructure is provided with the material mixing section of thick bamboo, tailings slurry inlet pipe with the end of flocculating agent solution inlet pipe all inserts the material mixing section of thick bamboo.

Furthermore, the number of the in-situ monitoring ports on the thickener base is two, and the in-situ monitoring ports on the thickener base are symmetrically distributed on the side wall of the thickener base along the radial direction of the thickener base;

the number of the in-situ monitoring ports on the middle cavity is two, and the in-situ monitoring ports on the middle cavity are symmetrically distributed on the side wall of the middle cavity along the radial direction of the middle cavity;

the in-situ monitoring ports on the upper structure of the thickener are positioned on the side wall of the upper structure of the thickener, and the central lines of the in-situ monitoring ports on the upper structure of the thickener are positioned on the same vertical line.

Furthermore, the top end of the thickener base, the two ends of the middle cavity and the bottom end of the upper structure of the thickener are respectively provided with a connecting end; the two corresponding connecting ends of the thickener base, the middle cavity and the upper structure of the thickener are fixedly connected by adopting bolt structures.

Further, a sealing ring is arranged between the two connecting ends fixed through the bolt structures.

Further, the harrow structure comprises a harrow transmission shaft, a transverse harrow frame and a longitudinal water guide rod; wherein the content of the first and second substances,

the rake rack transmission shaft penetrates through the whole thickener main body along the longitudinal direction of the thickener main body, a clamping groove is formed in the thickener base, the bottom end of the rake rack transmission shaft is inserted into the clamping groove and can rotate in the clamping groove, and the top end of the rake rack transmission shaft is in transmission connection with the driving mechanism;

the horizontal harrow rack is fixed on the harrow rack transmission shaft and is detachably connected with the harrow rack transmission shaft, and the vertical water guide rod is inserted in the horizontal harrow rack and is detachably connected with the horizontal harrow rack.

Further, the harrow frame transmission shaft is extended through a harrow frame transmission shaft connector.

Furthermore, the transverse harrow plate and the harrow plate transmission shaft are bidirectionally fixed through nuts, and the longitudinal water guide rod and the transverse harrow plate are bidirectionally fixed through nuts.

Further, the driving mechanism comprises a torque motor and a torque motor fixing disc; wherein the content of the first and second substances,

the torque motor passes through the torque motor fixed disk is installed the top of thickener main part, the harrow frame structure pass through torque motor adapter with torque motor connects.

Furthermore, an anti-skid ring is arranged outside the in-situ monitoring port; the bottom end of the rake frame structure is provided with a bow structure; wherein, the bow structure and the in-situ monitoring port on the thickener base are positioned at the same horizontal position.

The technical scheme provided by the invention has the beneficial effects that at least:

the adjustable flat-bottom thickener device capable of carrying out in-situ monitoring can obtain stable high-concentration underflow, realize in-situ detection in the running process of the thickener and find out various problems of a floc structure, a pore channel and the like in the tailing thickening process. The detachable thickener body increases convenience for experimental operation, and facilitates sampling analysis of experimental tailings slurry to further explore rheological properties of thickener underflow slurry and the like.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a block diagram of an adjustable flat bottom thickener apparatus capable of in situ monitoring according to the present invention;

FIG. 2 is a structural diagram of a seal ring between a base and a middle chamber of a thickener provided by the present invention;

FIG. 3 is a structural diagram of a seal ring between a middle cavity and an upper structure of a thickener according to the present invention;

fig. 4 is a structural view of a torque motor fixing disk provided in the present invention.

Description of reference numerals:

1. a thickener base; 2. a middle cavity; 3. the upper structure of the thickener; 4. a connecting end;

5. a bolt structure; 6. a seal ring; 7. an overflow port; 8. a tailing slurry feeding pipe;

9. a flocculant solution feeding pipe; 10. an in-situ monitoring port; 11. a material mixing cylinder; 12. an anti-slip ring;

13. a rake rack transmission shaft; 14. transversely arranging a harrow frame; 15. longitudinally arranging a water guide rod; 16. a card slot;

17. a torque motor; 18. a torque motor fixing disc; 19. a torque motor adapter;

20. a connecting head of a transmission shaft of the rake rack; 21. an arch structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiment provides an adjustable flat-bottom thickener device capable of carrying out in-situ monitoring, which comprises a thickener main body, a rake structure and a driving mechanism, as shown in fig. 1; wherein, the height of the thickener main body and the shape of the harrow frame structure can be adjusted; the rake frame structure is arranged in the body of the thickener and is in transmission connection with a driving mechanism, and the driving mechanism is used for driving the rake frame structure to move in the body of the thickener; the thickener main body is provided with an in-situ monitoring port 10 communicated with the interior of the thickener main body, an instrument probe can be stretched into the in-situ monitoring port, the in-situ monitoring effect in the experimental process is realized, and meanwhile, the sampling analysis can also be carried out through the monitoring port in the experimental process.

Specifically, the thickener main body comprises a thickener base 1, a detachable middle cavity 2 and a thickener upper structure 3 which are detachably connected in sequence from bottom to top; the number of the middle cavities 2 can be increased or decreased according to experiment selection, and the thickener base 1 and the upper structure 3 of the thickener can be directly connected. The height of the thickener main body can be adjusted by increasing or reducing the number of the middle cavities 2, so that different height-diameter ratios are realized, and meanwhile, the thickener main body can be detached, so that the convenience of experiment operation is greatly increased.

Further, in order to realize the detachable connection of the thickener base 1, the middle cavity 2 and the upper structure 3 of the thickener, the top end of the thickener base 1, the two ends of the middle cavity 2 and the bottom end of the upper structure 3 of the thickener are respectively provided with a connecting end 4, and each connecting end 4 is provided with twelve holes; two corresponding connecting ends 4 of a thickener base 1, a middle cavity 2 and a thickener upper structure 3 are fixedly connected by adopting a bolt structure 5, and a sealing ring 6 made of rubber material shown in figure 2 or figure 3 is arranged between the two connecting ends 4 fixed by the bolt structure 5 so as to prevent water leakage.

An overflow port 7 is arranged on one side of the upper structure 3 of the thickener and used for discharging solution; a tailing slurry feeding port and a flocculating agent solution feeding port are arranged below the overflow port 7, a tailing slurry feeding pipe 8 and a flocculating agent solution feeding pipe 9 are respectively inserted, the two pipes are symmetrically arranged, the centers of the two pipes are located on the same horizontal line, and the in-situ monitoring ports 10 are located at different positions below the feeding ports. The inside of thickener superstructure 3 is provided with material mixing section of thick bamboo 11, and in tailing ground paste inlet pipe 8 and the end of flocculating agent solution inlet pipe 9 all inserted material mixing section of thick bamboo 11, tailing ground paste inlet pipe 8 and flocculating agent solution inlet pipe 9 constitute the material hybrid system with material mixing section of thick bamboo 11.

A plurality of in-situ monitoring ports 10 are respectively formed in the thickener base 1, the middle cavity 2 and the upper structure 3 of the thickener; the number of the in-situ monitoring ports 10 on the thickener base 1 is two, and the in-situ monitoring ports 10 on the thickener base 1 are symmetrically distributed on the side wall of the thickener base 1 along the radial direction of the thickener base 1; the number of the in-situ monitoring ports 10 on the middle cavity 2 is two, and the in-situ monitoring ports 10 on the middle cavity 2 are symmetrically distributed on the side wall of the middle cavity 2 along the radial direction of the middle cavity 2, so that the tailing slurry settled into the detachable middle cavity 2 and the thickener base 1 can be sampled and further researched and analyzed; the in-situ monitoring ports 10 on the upper structure 3 of the thickener are positioned on the side wall of the upper structure 3 of the thickener, and the central lines of the in-situ monitoring ports 10 on the upper structure 3 of the thickener are positioned on the same vertical line. In addition, two layers of anti-slip rings 12 are arranged outside each in-situ monitoring port 10, and a high-elasticity rubber sleeve is sleeved on the in-situ monitoring ports 10 to prevent water leakage during experiments and facilitate fixing of a detection instrument during experiments.

The harrow structure comprises a harrow transmission shaft 13, a plurality of transverse harrow frames 14 and a plurality of longitudinal water guide rods 15; wherein, the height of the rake frame is guided by the vertically arranged water guide rod 15, and the height can be flexibly adjusted. The rake rack transmission shaft 13 penetrates through the whole thickener main body along the longitudinal direction of the thickener main body, the bottom end of the rake rack transmission shaft 13 is inserted into a clamping groove 16 on the thickener base 1 and can rotate in the clamping groove 16, and the top end of the rake rack transmission shaft 13 is in transmission connection with a driving mechanism; the driving mechanism comprises a torque motor 17 and a torque motor fixing disc 18 shown in figure 4; the torque motor 17 is installed on the top end of the thickener body through a torque motor fixing disc 18, and the top end of the rake rack transmission shaft 13 is connected with the torque motor 17 through a torque motor adapter 19 to form a rake rack shearing system. The integral harrow frame is driven by a torque motor 17 and a harrow frame transmission shaft 13.

The horizontal rake frame 14 is fixed on the rake frame transmission shaft 13 in a bidirectional mode through nuts, the vertical water guide rod 15 is inserted into the horizontal rake frame 14 in a penetrating mode to form a rake frame structure, the vertical water guide rod 15 is fixed in the bidirectional mode through nuts, and the rake frame structure rotates stably in the thickener main body when the torque motor 17 is started. The number of the horizontal harrow plates 14 can be selected according to different experimental requirements, but at least two harrow plates are needed, the height of the horizontal harrow plates 14 can be flexibly adjusted according to experimental purposes, and the number, the shape and the spacing of the vertical water guide rods 15 can be selected and adjusted according to the experimental requirements, so that different experimental requirements are met, and the multilayer shearing action is realized; furthermore, the rake shaft 13 is extended by the rake shaft connection 20, so that its length can be adjusted adaptively.

Further, when the rake frame shearing system operates, in order to facilitate in-situ observation experiments, the bottom end of the rake frame structure is provided with an arch structure 21 for in-situ monitoring; wherein, the bow structure 21 at the bottom end of the harrow structure and the in-situ monitoring port 10 on the thickener base 1 are positioned at the same horizontal position so as to meet the operation requirement of the instrument during in-situ monitoring. Of course, the bow 21 can be increased accordingly depending on the location of the in situ port 10.

Based on the above, the implementation process of the thickener device of the embodiment is as follows:

1) the thickener base 1 is installed with the middle cavity 2 through the bolt structure 5 and the sealing ring 6, and is connected with the upper structure 3 of the thickener in the same way, so that the assembly of the main body of the thickener is completed.

2) Horizontal harrow frame 14 is connected through the nut with harrow frame transmission shaft 13, and the nut is fixed simultaneously at both ends about horizontal harrow frame 14, prevents that harrow frame structure from rotating the in-process and taking place to rock, will indulge and put guide bar 15 and install on horizontal harrow frame 14 according to the demand, adopts the nut to fix from top to bottom equally, accomplishes the equipment of harrow frame structure.

3) The torque motor 17 and the torque motor fixing disc 18 are installed through a bolt structure, the installed rake frame structure is installed in the thickener main body, the bottom of the rake frame transmission shaft 13 is accurately inserted into the clamping groove 16, the upper end of the rake frame transmission shaft 13 is connected with the torque motor 17 through the torque motor adapter 19, and the rake frame shearing system is assembled.

4) The tailing slurry is subjected to material mixing at a material mixing cylinder 11 through a flocculating agent solution entering from a tailing slurry inlet pipe 8 and a flocculating agent solution inlet pipe 9 to generate a tailing floc structure to settle downwards, a detecting instrument can stretch into an in-situ monitoring port 10 to collect data, after the settlement experiment is finished, supernatant can be discharged through the in-situ monitoring port 10 of the thickener upper structure 3, the thickener upper structure 3 is unloaded, and the tailing slurry in the middle cavity 2 and the thickener base 1 can be sampled to perform further experimental analysis.

5) The number of the middle cavities 2 can be increased and reduced according to experiment requirements, so that the height-diameter ratio of the thickener main body is changed, and different experiment requirements are met. When the middle cavity 2 is increased or decreased, the rake transmission shaft 13 is connected through the rake transmission shaft connector 20 to adjust the height of the rake structure. The horizontal rake rack 14 is provided with six small holes for selective installation of the vertical water guide rods 15 and one large hole for connection of the rake rack transmission shaft 13, so that the number and the positions of the vertical water guide rods 15 can be selected according to experiment requirements to meet different experiment condition requirements, the horizontal rake rack 14 plays a role in fixing and simultaneously performs a shearing function on a tailing bed, the number of the horizontal rake racks 14 can be selected according to the height of the tailing bed, the height of the horizontal rake rack 14 can be adjusted, and the thickener is promoted to stabilize high-concentration underflow discharge.

In summary, the present embodiment provides an adjustable flat-bottom thickener device capable of performing in-situ monitoring, which not only can obtain stable high-concentration underflow, but also can implement in-situ detection during the operation of the thickener, and ascertain many problems such as floc structure, pore channel, etc. during the tailing thickening process. The detachable thickener main body increases convenience for the operation of the experiment, and the tailing slurry after the experiment is conveniently sampled and analyzed, so that the rheological property and the like of the underflow slurry of the thickener are further explored.

Further, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

It should be noted that the above describes only a preferred embodiment of the invention and that, although a preferred embodiment of the invention has been described, it will be apparent to those skilled in the art that, once having the benefit of the teachings of the present invention, numerous modifications and adaptations can be made without departing from the principles of the invention and are intended to be within the scope of the invention. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.