阅读说明：本技术 一种六氟丁二烯制备用萃取瓶 (Extraction bottle for preparing hexafluorobutadiene ) 是由 林坤 马朝选 徐海云 董强 王少波 于 2021-09-13 设计创作，主要内容包括：本发明提供了一种六氟丁二烯制备用萃取瓶,包括萃取瓶,所述萃取瓶的上端面设有进液口,所述萃取瓶的下端面固定连接有分流管,所述分流管的侧壁上设有控制阀门,所述萃取瓶的侧壁上设有刻度尺,所述萃取瓶的侧壁上套设有连接带,所述连接带上设有用于对萃取瓶内溶液液位指示的指示机构,所述连接带内设有用于对指示装置精度校准的校准机构,所述萃取瓶内设有用于辅助溶液萃取的辅助机构。本发明通过设置指示机构,配合连接带与萃取瓶之间的活动调节,可便捷的实现对萃取分层所产生的目标产物进行定量测量,同时配合校准机构对刻度指针进行精准度校准,保证对目标产物萃取量的定量测量的精度。(The invention provides an extraction bottle for preparing hexa-fluorobutadiene, which comprises an extraction bottle, wherein a liquid inlet is formed in the upper end face of the extraction bottle, a flow dividing pipe is fixedly connected to the lower end face of the extraction bottle, a control valve is arranged on the side wall of the flow dividing pipe, a graduated scale is arranged on the side wall of the extraction bottle, a connecting belt is sleeved on the side wall of the extraction bottle, an indicating mechanism for indicating the liquid level of a solution in the extraction bottle is arranged on the connecting belt, a calibrating mechanism for calibrating the precision of the indicating mechanism is arranged in the connecting belt, and an auxiliary mechanism for assisting the extraction of the solution is arranged in the extraction bottle. According to the invention, the indication mechanism is arranged, and the movable adjustment between the connecting belt and the extraction bottle is matched, so that the quantitative measurement of the target product generated by extraction layering can be conveniently realized, and meanwhile, the calibration mechanism is matched to carry out precision calibration on the scale pointer, so that the precision of the quantitative measurement of the extraction amount of the target product is ensured.)

1. The utility model provides an extraction bottle is used in preparation of hexafluorobutadiene, a serial communication port, including extraction bottle (1), connecting band (4) and complementary unit, the upper and lower both ends of extraction bottle (1) are provided with inlet (2) and shunt tubes (8) respectively, be provided with scale (3) on the lateral wall of extraction bottle (1), connecting band (4) are the ring form and the activity sets up on the lateral wall of extraction bottle (1), complementary unit sets up in extraction bottle (1), be provided with the indicating mechanism who is used for instructing extraction bottle (1) interior solution liquid level on connecting band (4).

2. The extraction flask for preparing hexafluorobutadiene as claimed in claim 1, wherein the connecting band (4) is divided into a plurality of sub-connecting bands along the axial section, two sub-connecting bands are connected by an extending plate (7), the two ends of the sub-connecting bands are provided with connecting slots on the divided sections, the two ends of the extending plate (7) are respectively connected in the connecting slots in a sliding manner, and a return spring is fixedly connected between the extending plate (7) and the inner bottom surface of the connecting slots.

3. The extraction flask for preparing hexafluorobutadiene according to claim 1, wherein the indicating mechanism comprises an observation plate (17), an adjusting cavity (19), a scale pointer (22), a first adjusting knob (20) and a connecting toothed plate (23), the observation plate (17) is fixedly arranged on the connecting band (4), the adjusting cavity (19) is provided with two adjusting toothed plates (21) symmetrically arranged on the connecting band (4), the side wall of the adjusting cavity (19) is provided with a sliding groove (21), the adjusting cavity (19) is provided with two first adjusting knobs (20) in a penetrating manner, the first adjusting knob (20) is fixedly sleeved with an adjusting gear (18), the sliding groove (21) is internally provided with two adjusting toothed plates (23), the adjusting toothed plate (23) is meshed with the adjusting gear (18), the adjusting toothed plate (23) is fixedly connected with the scale pointer (22), the sliding groove (21) is provided with a movable opening for the scale pointer (22) to move up and down.

4. The extraction flask for preparing hexafluorobutadiene as claimed in claim 1, wherein the auxiliary mechanism comprises a supporting disk (10), the supporting disk (10) is arranged in the extraction flask (1), a plurality of magnetic blocks (11) are uniformly distributed on the outer side wall of the supporting disk (10) in the circumferential direction, a plurality of liquid passing holes (12) are formed in the supporting disk (10), one-way filter membranes are fixed in the liquid passing holes (12), a floating plate (13) is arranged at the central position of the supporting disk (10), and a plurality of adsorption magnetic blocks (16) are fixedly arranged on the inner side of the connecting band (4) through a locking screw (14).

5. The extraction flask for preparing hexafluorobutadiene according to claim 1, wherein a plurality of threaded connection holes are formed in the connection belt (4), a connection screw (6) penetrates through the threaded connection holes, a clamping plate (15) for clamping and fixing the extraction flask (1) is arranged at one end of the connection screw (6) close to the extraction flask (1), a buffering cushion is arranged on one end face of the clamping plate (15) contacting with the extraction flask (1), and a second adjusting knob (5) is fixedly arranged at one end of the connection screw (6) far away from the extraction flask (1).

6. The extraction flask for preparing hexafluorobutadiene as claimed in claim 1, wherein the control valve (9) is disposed on the flow-dividing tube (8).

Technical Field

The invention belongs to the technical field of extraction, and particularly relates to an extraction bottle for preparing hexafluorobutadiene.

Background

Hexafluorodibutylene (HFO-1336) is a foaming agent, a refrigerant and a solvent with low global warming potential, has a boiling range similar to HCFC-141b and HFC-245fa, has extremely similar performances such as heat insulation, foam material compatibility and the like, and can be used in the industry of general foam material products.

The most common mode used in the industrial preparation process of the hexafluorodibutene is to utilize an extraction bottle to separate and extract the hexafluorodibutene by utilizing the difference of the density and the solubility of solute in a mixed preparation solvent, when the existing extraction bottle is used, since it is necessary to measure the amount of extracted product and analyze the amount of extracted product in mass production, and it is necessary to measure and measure the amount of extraction separation in a mixed solution, quantitative measurement is required, while the prior extraction flask can not realize specific quantitative measurement of the extraction amount when in use, and simultaneously, because the separation liquid level of the mixed solution is gradually reduced from a larger contact surface in the discharging process after separation, the solution below the separation liquid level can carry a certain amount of upper-layer solution in the discharging process, so that a certain amount of upper-layer solution is doped in the lower-layer solution, and the reference of the extraction amount is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an extraction bottle for preparing hexafluorobutadiene, aiming at the defects of the prior art, the device has scientific and reasonable structural design, complete functions and convenient operation, can realize timely and accurate measurement of extraction separation amount, can avoid remixing between two layers of liquid after extraction separation to a certain extent, and ensures the accuracy of measurement of the extraction amount.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an extraction bottle is used in preparation of hexafluorobutadiene, a serial communication port, including extraction bottle, connecting band and complementary unit, the upper and lower both ends of extraction bottle are provided with inlet and shunt tubes respectively, be provided with the scale on the lateral wall of extraction bottle, the connecting band is the ring form and the activity sets up on the lateral wall of extraction bottle, complementary unit sets up in the extraction bottle, be provided with the indicating mechanism who is used for instructing the interior solution liquid level of extraction bottle on the connecting band.

Preferably, the connecting band divide into a plurality of sub-connecting bands along the disconnection of axial cross section, connects through the extension board between two sub-connecting bands, has seted up the spread groove on the disconnection cross section at sub-connecting band both ends, the both ends difference sliding connection of extension board is in the spread groove, be connected with reset spring between the bottom surface in extension board and the spread groove, can satisfy the fixed needs that the connecting band corresponds not unidimensional extraction bottle and the not unidimensional position of extraction bottle through disconnection sliding connection mode, improve the practicality of connecting band greatly.

Preferably, indicating mechanism is including observing board, regulation chamber, scale pointer, first adjust knob and connection pinion rack, it is fixed to set up to observe the board on the connection belt, the regulation chamber has two and symmetry to set up on the connection belt, be provided with the sliding tray on the lateral wall in regulation chamber, the regulation chamber runs through and is provided with two first adjust knob, fixed the cup jointing has adjusting gear on the first adjust knob, it sets up two adjust pinion racks to slide in the sliding tray, adjust the pinion rack with the adjusting gear meshing, adjust the pinion rack with scale pointer fixed connection, set up the expansion gap that supplies the scale pointer to reciprocate on the sliding tray. The liquid level value is read by adjusting the positions of the two scale pointers, and the more accurate extraction separation amount can be obtained by averaging the two readings.

Preferably, the auxiliary mechanism comprises a supporting disk, the supporting disk is arranged in the extraction bottle, a plurality of magnetic blocks are uniformly distributed on the outer side wall of the supporting disk in the circumferential direction, a plurality of liquid passing holes are formed in the supporting disk, one-way filter membranes are fixed in the liquid passing holes, a floating plate is arranged at the central position of the supporting disk, and a plurality of adsorption magnetic blocks are fixedly arranged on the inner side of the connecting band through locking screws. The supporting disk keeps stable under the floating plate effect at center, through the interact of adsorbing magnetic path and magnetic block, confirms the position of supporting disk by the connecting band, guarantees that the supporting disk keeps unanimous with the connecting band all the time.

Preferably, a plurality of threaded connection holes have been seted up on the connecting band, threaded connection runs through threaded connection in the threaded connection hole and has connecting screw, the one end that is close to the extraction bottle on the connecting screw is provided with the grip block that is used for the fixed extraction bottle of centre gripping, be provided with the cushion on a terminal surface of grip block and extraction bottle contact, the fixed second adjust knob that is provided with of one end of keeping away from the extraction bottle on the connecting screw. And after extraction is finished, the position of the connecting belt is preliminarily adjusted by loosening and tightening the second adjusting knob.

Preferably, a control valve is arranged on the shunt pipe.

Compared with the prior art, the invention has the following advantages:

1. the invention has scientific and reasonable structural design, simple operation and strong practicability, can meet the requirement of accurate measurement of extraction amount after extraction and separation, can also effectively avoid secondary mixing between the upper liquid level and the lower liquid level, and can be popularized and used in the technical field of extraction.

2. According to the invention, the measuring position is initially positioned by the flexible position-adjustable connecting belt, then the two scale pointers are aligned to the position of the layered liquid level by the fine-adjustment indicating mechanism, the reading of each scale pointer is respectively read by reading the reading on the scale, and finally the average value of the readings of the plurality of scale pointers is obtained, so that the accurate extraction amount can be obtained, the quantitative measurement of the target product generated by extraction layering can be conveniently realized, and the precision of the quantitative measurement of the extraction amount of the target product is ensured.

3. According to the invention, the auxiliary mechanism is arranged, and the one-way filter membrane in the liquid passing hole is utilized, so that the discharge of the target product and the lower layer solution after the extraction is finished is controlled, a certain amount of target product is prevented from being carried in the lower layer solution discharge process, and the accuracy of quantitative data determination of the product in the extraction process is ensured to a certain extent.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic top view of the connecting band of the present invention.

Fig. 4 is a schematic top view of a support tray according to the present invention.

Fig. 5 is a partially enlarged view of the point a in the present invention.

Fig. 6 is a partially enlarged view of the point B in the present invention.

Description of reference numerals:

1-extraction bottle; 2-liquid inlet; 3, a graduated scale;

4, connecting the belt; 5-a second adjusting knob; 6, connecting a screw rod;

7-an extension plate; 8-a shunt tube; 9-control valve;

10-a support disc; 11-a magnetic block; 12-liquid passing holes;

13-floating plate; 14-locking screw; 15-clamping plate;

16-an adsorption magnetic block; 17-observation plate; 18-an adjusting gear;

19-an adjustment chamber; 20-a first adjustment knob; 21-a sliding groove;

22-a scale pointer; and 23, connecting the toothed plates.

Detailed Description

As shown in fig. 1 to 6, the extraction apparatus comprises an extraction bottle 1, a connecting band 4 and an auxiliary mechanism, wherein a liquid inlet 2 is respectively arranged at the upper end of the extraction bottle 1, the lower end of the extraction bottle 1 is communicated with a shunt tube 8, a graduated scale 3 is arranged on the side wall of the extraction bottle 1, the connecting band 4 is annular and movably arranged on the outer side wall of the extraction bottle 1, the auxiliary mechanism is arranged in the extraction bottle 1, and an indicating mechanism for indicating the liquid level of a solution in the extraction bottle 1 is arranged on the connecting band 4.

In this embodiment, connecting band 4 is divided into four sub-connecting bands along the disconnection of vertical axial cross section, connects through arc extension board 7 between two sub-connecting bands, has seted up the arc spread groove on the disconnection cross section at both ends about the sub-connecting band, the both ends difference sliding connection of extension board 7 is in the spread groove, be connected with reset spring between the bottom surface in extension board 7 and the spread groove, can satisfy the fixed needs that connecting band 4 corresponds not unidimensional extraction bottle 1 and the different size position of extraction bottle 1 through disconnection sliding connection mode, improve the practicality of connecting band 4 greatly, because reset spring's existence guarantees that extension board 7 does not deviate from the spread groove and keeps connecting band 4 even as a whole throughout.

In this embodiment, the indicating mechanism includes an observation plate 17, an adjustment cavity 19, a scale pointer 22, a first adjusting knob 20 and a connecting toothed plate 23, the observation plate 17 is disposed at a position corresponding to the scale 3, the observation plate 17 is made of a transparent material, the observation plate 17 is simultaneously and fixedly disposed on the connecting band 4, there are two adjustment cavities 19, two adjustment cavities 19 are symmetrically disposed at two sides of the connecting band 4 along the vertical direction, the adjustment cavities 19 are tightly attached to the observation plate 17, a sliding groove 21 is disposed on a side wall of the adjustment cavity 19 close to the observation plate 17, two first adjusting knobs 20 penetrate through the adjustment cavity 19 along the radial direction of the connecting band 4, the two first adjusting knobs 20 are disposed in parallel, two ends of the two first adjusting knobs 20 are rotatably connected to the connecting band 4, and one end of the first adjusting knob 20 extends out of the connecting band 4 for convenient manual rotation, fixed cover has connect adjusting gear 18 on first adjust knob 20, it sets up two regulation pinion racks 23 to slide in the sliding tray 21, a terminal surface of adjusting pinion rack 23 sets up the rack with adjusting gear 18 meshing, another terminal surface of adjusting pinion rack 23 with scale pointer 22 fixed connection, scale pointer 22 level set up with scale 3's scale mark is parallel, convenient accurate reading, set up the movable mouthful that supplies scale pointer 22 to reciprocate on the sliding tray 21. The level value is read by adjusting the positions of the two scale pointers 22, and the two readings are averaged to obtain a more accurate extraction separation amount.

In this embodiment, the auxiliary mechanism includes a supporting disk 10, the supporting disk 10 is disposed in the extraction flask 1, a plurality of magnetic blocks 11 are evenly distributed in the circumferential direction of the outer side wall of the supporting disk 10, a plurality of liquid passing holes 12 are equidistantly formed in the supporting disk 10, a unidirectional filter membrane is fixed in the liquid passing holes 12, a floating plate 13 is disposed at the central position of the supporting disk 10, a plurality of adsorbing magnetic blocks 16 are fixedly disposed on the inner side of the connecting band 4 through locking screws 14, and the magnetic properties of the inner side end faces of the adsorbing magnetic blocks 16 are opposite to those of the outer side end faces of the magnetic blocks 11. The supporting disk 10 is kept stable under the action of the floating plate 13 at the center, and the position of the supporting disk 10 is determined by the connecting band 4 through the interaction of the adsorption magnetic block 16 and the magnetic block 11, so that the supporting disk 10 can move up and down. In the process of separating the mixed solution, an upper layer target product is transited to the upper end face of the support disc 10 through the edge of the support disc 10 and a filter membrane in the liquid passing hole 12, the upper layer solution cannot pass through the filter membrane after complete layering, when the device discharges a lower layer solution, the support disc 10 plugs the upper layer product on the inner side wall of the extraction bottle 1, the mixing rate of the upper layer product and the lower layer solution in the discharging process is reduced, the loss rate of the upper layer product is reduced, and then the lifting and resetting process of the support disc 10 can be realized by utilizing the adsorption of the adsorption magnetic block 16 on the connecting belt 4 to the magnetic block 11 on the support disc 10.

In this embodiment, a plurality of threaded connection holes have been seted up on connecting band 4, threaded connection has connecting screw 6 in the threaded connection hole to run through threaded connection, the one end that is close to extraction bottle 1 on connecting screw 6 is provided with grip block 15 that is used for the fixed extraction bottle 1 of centre gripping, be provided with the cushion on grip block 15 and the terminal surface of extraction bottle 1 contact, the fixed second adjust knob 5 that is provided with of one end of keeping away from extraction bottle 1 on connecting screw 6. After extraction is finished, the position of the connecting belt 4 is preliminarily adjusted by loosening and tightening the second adjusting knob 5. According to the position of the layered liquid level, the second adjusting knob 5 is unscrewed, and the connecting belt 4 can be adjusted up and down to be fixed at different positions of the extraction bottle 1.

In this embodiment, the shunt tube 8 is provided with a control valve 9, and the lower layer liquid after extraction and separation can be discharged by opening the control valve 9.

When the extraction device is used, firstly, the mixed solution is added into the extraction bottle 1 through the liquid inlet 2, and a layered solution between a target product and a lower layer solution is gradually formed through a certain time of separation and extraction. And then, rotating a second adjusting knob 5 to drive a connecting screw rod 6 to rotate, namely, adjusting the distance between the clamping plate 15 and the side wall of the extraction flask 1, aligning the scale pointers 22 with the layered liquid level, observing the extraction amount of the upper-layer target product through the observation plate 17, simultaneously reading data through the upper scale pointer 22 and the lower scale pointer 22, and then calculating an average value, namely the extraction amount of the upper-layer target product. In the process of reading data, the first adjusting knob 20 is rotated to drive the connecting toothed plate 23 to move up and down in the sliding groove 21, so that the two scale pointers 22 are driven to move, and the calibration processing of the scale pointers 22 is realized.

In the process of separating the mixed solution, an upper layer target product is transited to the upper end face of the support disc 10 through the edge of the support disc 10 and a filter membrane in the liquid passing hole 12, the upper layer solution cannot pass through the filter membrane after complete layering, when the device discharges a lower layer solution, the support disc 10 plugs the upper layer product on the inner side wall of the extraction bottle 1, and then the adsorption effect of the adsorption magnetic block 16 on the connecting band 4 on the magnetic block 11 is utilized to realize lifting and resetting of the support disc 10, meanwhile, the upper layer product can be collected through the liquid inlet 2, and data such as extraction amount and the like are measured, so that data support is provided for actual industrial production.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the technical essence of the invention are still within the protection scope of the technical solution of the invention.