CN210698869U

CN210698869U - Condensing structure for stainless steel rectification lab scale device

Info

Publication number: CN210698869U
Application number: CN201921097535.XU
Authority: CN
Inventors: 杨燕华
Original assignee: Tianjin Dirui Technology Co ltd
Current assignee: Tianjin Dirui Technology Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-06-09
Anticipated expiration: 2029-07-12

Abstract

The utility model relates to the technical field of auxiliary devices of a rectifying tower, in particular to a condensing structure for a stainless steel rectifying small-scale device, which improves the condensing effect and the use reliability; the rectifying tower comprises an upper end enclosure, a lower end enclosure and a tower body, wherein a liquid inlet pipe and a gas outlet pipe are respectively communicated with the left side wall and the top side wall of the rectifying tower; the device further comprises a support rod, a threaded rod, a fixed rod, an upper rotating shaft, a turntable, a lifting block, two groups of left screws, two groups of right screws, a left condensation plate, a right condensation plate and a liquid collection box.

Description

Condensing structure for stainless steel rectification lab scale device

Technical Field

The utility model relates to a technical field of rectifying column auxiliary device especially relates to a stainless steel rectification condensation structure for lab scale device.

Background

As is well known, a condensation structure for a stainless steel rectification lab scale is a device used in a laboratory for cooling a gas phase component at the top of a rectification column, and is widely used in the field of rectification columns; the condensing structure for the existing stainless steel rectification lab scale comprises a workbench, wherein a rectifying tower, a condenser and a collecting box are arranged on the workbench, the rectifying tower comprises an upper end enclosure, a lower end enclosure and a tower body, the left side wall and the top side wall of the rectifying tower are respectively communicated with a liquid inlet pipe and a gas outlet pipe, the left end, the bottom end and the right end of the condenser are respectively communicated with a first pipeline, a second pipeline and a third pipeline, the output end of the second pipeline is communicated with the top end of the right side wall of the collecting box, the gas outlet pipe is communicated with the first pipeline, and the top end and the bottom end of the condenser are respectively provided with a refrigerant outlet end and a; when the condensing structure for the existing stainless steel rectification lab device is used, an upper end enclosure, a tower body and a lower end enclosure are fixed together through a flange sheet and a plurality of groups of bolts, a first pipeline and an air outlet pipe are fixed together through the flange sheet and the plurality of groups of bolts, liquid is fed to the bottom in a rectification tower through a liquid inlet pipe, heat is provided for the bottom of the rectification tower by an external heating device, liquid is heated and evaporated to be changed into gas, the gas enters a condenser along the air outlet pipe and the first pipeline, both the outlet end and the inlet end of a refrigerant are communicated with the external refrigerant, the gas flows into a collecting box along a second pipeline when being liquefied when being cooled, and non-condensable gas flows along a third pipeline; the condensation structure for the small scale device of current stainless steel rectification discovers in using, but a large amount of condensable gas in the inside condensation of condenser, causes often to have the condensable gas in the noncondensable gas, and the condensation effect is relatively poor, but also causes the inside pressure oscillation of condenser too big easily, uses the reliability lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve condensation effect, improve the stainless steel rectification lab scale of using reliability and use condensation structure for the device.

The utility model discloses a stainless steel rectifies condensation structure for lab scale device, comprises a workbench, be provided with rectifying column, condenser and collecting box on the workstation, rectifying column includes upper cover, low head and tower body, rectifying column left side wall and top lateral wall communicate respectively and are provided with feed liquor pipe and outlet duct, condenser left end, bottom and right-hand member communicate respectively and are provided with first pipeline, second pipeline and third pipeline, second pipeline output end and collecting box right side wall top intercommunication, the outlet duct communicates with first pipeline, condenser top and bottom are provided with refrigerant outlet end and refrigerant inlet end respectively; the bottom end of the support rod is connected with the workbench, the upper half area of the right side wall of the support rod is provided with a mounting groove, the top side wall of the mounting groove is provided with a mounting hole communicated with the top side wall of the support rod, the mounting hole is provided with a first ball bearing, the upper rotating shaft is connected with the first ball bearing key, the lifting block is provided with a threaded hole and a sliding hole, the top end of the threaded rod is screwed and penetrates through the threaded hole, the top end and the bottom end of the upper rotating shaft are respectively connected with the central area of the turntable and the top end of the threaded rod, the fixed rod penetrates through the sliding hole, the top end and the bottom end of the fixed rod are respectively connected with the top side wall of the mounting groove and the inner bottom side wall, the top end of the upper end enclosure is provided with a connecting rod, the top end of the connecting rod is connected with the lifting block, the front end and the rear end of the left side, the front end and the rear end of the right side wall of the right condensation plate are respectively provided with two groups of right L-shaped rings, the two groups of left screws and the two groups of right screws are respectively screwed and penetrate through the two groups of left L-shaped rings and the two groups of right L-shaped rings and then are all screwed and installed on the inner side wall of the tower body, a left cavity and a right cavity are respectively arranged inside the left condensation plate and the right condensation plate, a left water inlet pipe and a left water outlet pipe are respectively arranged on the front side wall and the rear side wall of the left condensation plate, a right water inlet pipe and a right water outlet pipe are respectively arranged on the front side wall and the rear side wall of the right condensation plate, the other ends of the left water inlet pipe, the left water outlet pipe, the right water inlet pipe and the right water outlet pipe penetrate through the tower body and are positioned outside the tower body, a collection cavity is arranged inside the liquid collection box, the top side wall of the, the top ends of the other two groups of transition rods are connected with the right condensation plate, the bottom side wall of the liquid collecting box is communicated with a liquid outlet pipe, and the other end of the liquid outlet pipe penetrates through the tower body to be communicated with the collecting box.

The utility model discloses a stainless steel rectification condensation structure for lab scale device still includes pivot down, and mounting groove inner bottom lateral wall is provided with the standing groove, and standing groove department is provided with second ball bearing, pivot bottom and second ball bearing key-type connection down, the pivot top is connected with the threaded rod bottom down.

The utility model discloses a stainless steel rectification condensation structure for lab scale device still includes dwang, rotatory ring sum baffle, the dwang passes rotatory ring and dwang top and bottom are connected with baffle bottom side wall central zone territory and carousel top side wall right-hand member respectively.

The utility model discloses a stainless steel rectification condensation structure for lab scale device still includes the stiffener, stiffener top and bottom are connected with elevator and connecting rod respectively.

The utility model discloses a stainless steel rectification condensation structure for lab scale device, collecting box left side wall intercommunication is provided with the hyaline tube.

The utility model discloses a stainless steel rectification lab scale is condensation structure for device, the other end of left side inlet tube, left outlet pipe, right inlet tube and right outlet pipe all is provided with the valve.

The utility model discloses a stainless steel rectification condensation structure for lab scale device still includes the multiunit ball, and the sliding hole inner wall is provided with the ring channel, inside most region of multiunit ball all was located the ring channel, the multiunit ball all contacted with the dead lever lateral wall.

The utility model discloses a stainless steel rectification lab scale is condensation structure for device, collection box top lateral wall intercommunication are provided with the steady voltage mouth, and steady voltage mouth department is provided with the filter screen.

Compared with the prior art, the beneficial effects of the utility model are that: the left water inlet pipe, the left water outlet pipe, the right water inlet pipe, the right water outlet pipe and the liquid outlet pipe all hermetically penetrate through the tower body, the upper seal head, the tower body and the lower seal head are fixed together through a flange sheet and a plurality of groups of bolts, a first pipeline and the gas outlet pipe are fixed together through the flange sheet and the plurality of groups of bolts, liquid is fed to the bottom in the rectifying tower through the liquid inlet pipe, heat is provided by an external heating device at the bottom of the rectifying tower, a liquid collecting box is fixed on a left condensation plate and a right condensation plate through four groups of transition rods, the left water inlet pipe, the left water outlet pipe, the right water inlet pipe and the right water outlet pipe are all communicated with an external refrigerant, the temperatures of the left condensation plate and the right condensation plate are lower, the left condensation plate and the right condensation plate are detachably fixed in the tower body through the two groups of left screws, the two groups of right screws, the left, gas is condensed at the left condensation plate and the right condensation plate when meeting cold, liquid drops flow to the inside of the liquid collecting box under the action of gravity after meeting cold condensation, and then flow to the inside of the collecting box along the liquid outlet pipe, the gas enters the condenser along the gas outlet pipe and the first pipeline after primary condensation, the outlet end and the inlet end of the refrigerant are both communicated with external refrigerants, the gas flows to the inside of the collecting box along the second pipeline when meeting cold liquefaction, non-condensable gas flows along the third pipeline, the content of condensable components in the gas entering the condenser is reduced by pre-condensing the gas, so that the pressure fluctuation in the condenser is reduced, when the left condensation plate and the right condensation plate need to be cleaned, firstly, bolts between the upper seal head and the tower body and between the first pipeline and the air outlet pipe are dismounted, then the rotary table is rotated, and the upper seal head can move up and down under the mutual matching of the fixed rod, the threaded rod, the upper rotating shaft, the, adjust the upper cover to suitable height and clear up, improve the condensation effect, improve the reliability in utilization.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 1;

FIG. 5 is a schematic top view of the connection of sets of balls to the elevator block;

in the drawings, the reference numbers: 1. a work table; 2. a rectifying tower; 3. a condenser; 4. a collection box; 5. a liquid inlet pipe; 6. An air outlet pipe; 7. a first conduit; 8. a second conduit; 9. a third pipeline; 10. a support bar; 11. a threaded rod; 12. fixing the rod; 13. an upper rotating shaft; 14. a turntable; 15. a lifting block; 17. a left screw; 18. a left cold plate; 19. a liquid collection tank; 20. a first ball bearing; 21. a connecting rod; 22. a left L-shaped ring; 23. a left water inlet pipe; 24. a transition rod; 25. a liquid outlet pipe; 26. a lower rotating shaft; 27. a second ball bearing; 28. rotating the rod; 29. a rotating ring; 30. a baffle plate; 31. a reinforcing bar; 32. a transparent tube; 33. a valve; 34. a ball bearing; 35. and (5) filtering by using a filter screen.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, the condensing structure for a stainless steel rectification lab scale of the present invention comprises a workbench 1, a rectification tower 2, a condenser 3 and a collecting box 4 are arranged on the workbench 1, the rectification tower 2 comprises an upper head, a lower head and a tower body, a left side wall and a top side wall of the rectification tower 2 are respectively communicated with a liquid inlet pipe 5 and a gas outlet pipe 6, a left end, a bottom end and a right end of the condenser 3 are respectively communicated with a first pipeline 7, a second pipeline 8 and a third pipeline 9, an output end of the second pipeline 8 is communicated with a top end of a right side wall of the collecting box 4, the gas outlet pipe 6 is communicated with the first pipeline 7, and a top end and a bottom end of the condenser 3 are respectively provided with a refrigerant outlet and a refrigerant inlet; the device is characterized by further comprising a supporting rod 10, a threaded rod 11, a fixed rod 12, an upper rotating shaft 13, a rotary table 14, a lifting block 15, two groups of left screws 17, two groups of right screws, a left condensing plate 18, a right condensing plate and a liquid collecting box 19, wherein the bottom end of the supporting rod 10 is connected with the workbench 1, the upper half area of the right side wall of the supporting rod 10 is provided with a mounting groove, the top side wall in the mounting groove is provided with a mounting hole communicated with the top side wall of the supporting rod 10, the mounting hole is provided with a first ball bearing 20, the upper rotating shaft 13 is in key connection with the first ball bearing 20, the lifting block 15 is provided with a threaded hole and a sliding hole, the top end of the threaded rod 11 penetrates through the threaded hole, the top end and the bottom end of the upper rotating shaft 13 are respectively connected with the central area of the rotary table 14 and the top end of the threaded, the top end of the connecting rod 21 is connected with the lifting block 15, the front end and the rear end of the left side wall of the left condensation plate 18 are respectively provided with two groups of left L-shaped rings 22, the front end and the rear end of the right side wall of the right condensation plate are respectively provided with two groups of right L-shaped rings, two groups of left screws 17 and two groups of right screws are respectively screwed on and penetrate through the two groups of left L-shaped rings 22 and the two groups of right L-shaped rings and then are all screwed on the inner side wall of the tower body, the inside of the left condensation plate 18 and the inside of the right condensation plate are respectively provided with a left cavity chamber and a right cavity chamber, the front side wall and the rear side wall of the left condensation plate 18 are respectively provided with a left water inlet pipe 23 and a left water outlet pipe, the other ends of the left water inlet pipe 23, the left water outlet pipe, the right water inlet pipe and the right water outlet pipe penetrate through the tower body and, Transition rods 24 are arranged on the right front side, the left rear side and the right rear side, the top ends of the two groups of transition rods 24 are connected with the left condensation plate 18, the top ends of the other two groups of transition rods 24 are connected with the right condensation plate, a liquid outlet pipe 25 is communicated with the bottom side wall of the liquid collecting box 19, and the other end of the liquid outlet pipe 25 penetrates through the tower body to be communicated with the collecting box 4; the left water inlet pipe, the left water outlet pipe, the right water inlet pipe, the right water outlet pipe and the liquid outlet pipe all hermetically penetrate through the tower body, the upper seal head, the tower body and the lower seal head are fixed together through a flange sheet and a plurality of groups of bolts, a first pipeline and the gas outlet pipe are fixed together through the flange sheet and the plurality of groups of bolts, liquid is fed to the bottom in the rectifying tower through the liquid inlet pipe, heat is provided by an external heating device at the bottom of the rectifying tower, a liquid collecting box is fixed on a left condensation plate and a right condensation plate through four groups of transition rods, the left water inlet pipe, the left water outlet pipe, the right water inlet pipe and the right water outlet pipe are all communicated with an external refrigerant, the temperatures of the left condensation plate and the right condensation plate are lower, the left condensation plate and the right condensation plate are detachably fixed in the tower body through the two groups of left screws, the two groups of right screws, the left, gas is condensed at the left condensation plate and the right condensation plate when meeting cold, liquid drops flow to the inside of the liquid collecting box under the action of gravity after meeting cold condensation, and then flow to the inside of the collecting box along the liquid outlet pipe, the gas enters the condenser along the gas outlet pipe and the first pipeline after primary condensation, the outlet end and the inlet end of the refrigerant are both communicated with external refrigerants, the gas flows to the inside of the collecting box along the second pipeline when meeting cold liquefaction, non-condensable gas flows along the third pipeline, the content of condensable components in the gas entering the condenser is reduced by pre-condensing the gas, so that the pressure fluctuation in the condenser is reduced, when the left condensation plate and the right condensation plate need to be cleaned, firstly, bolts between the upper seal head and the tower body and between the first pipeline and the air outlet pipe are dismounted, then the rotary table is rotated, and the upper seal head can move up and down under the mutual matching of the fixed rod, the threaded rod, the upper rotating shaft, the, adjust the upper cover to suitable height and clear up, improve the condensation effect, improve the reliability in utilization.

The condensing structure for the stainless steel rectification lab scale device of the utility model also comprises a lower rotating shaft 26, the side wall of the inner bottom of the installation groove is provided with a placing groove, the placing groove is provided with a second ball bearing 27, the bottom end of the lower rotating shaft 26 is connected with the second ball bearing 27 in a key mode, and the top end of the lower rotating shaft 26 is connected with the bottom end of the threaded rod 11; lower pivot and second ball bearing improve threaded rod rotational stability.

The condensing structure for the stainless steel rectification lab scale device of the utility model also comprises a rotating rod 28, a rotating ring 29 and a baffle 30, wherein the rotating rod 28 passes through the rotating ring 29, and the top end and the bottom end of the rotating rod 28 are respectively connected with the central area of the bottom side wall of the baffle 30 and the right end of the top side wall of the turntable 14; the baffle blocks that rotatory ring breaks away from the dwang, grasps rotatory ring and makes the carousel rotate, and rotatory ring does not take place relative rotation with the hand, improves and uses the travelling comfort.

The condensing structure for the stainless steel rectification lab scale device of the utility model also comprises a reinforcing rod 31, wherein the top end and the bottom end of the reinforcing rod 31 are respectively connected with the lifting block 15 and the connecting rod 21; form stable triangle-shaped structure between stiffener, elevator and the connecting rod three, improve the reliability in utilization.

The utility model discloses a condensing structure for a stainless steel rectification lab scale, wherein the left side wall of a collecting box 4 is communicated with a transparent tube 32; the liquid level in the collecting box is obtained by observing the liquid level of the condensate in the transparent pipe.

The condensing structure for the stainless steel rectification lab scale device of the utility model is characterized in that the other ends of the left water inlet pipe 23, the left water outlet pipe, the right water inlet pipe and the right water outlet pipe are provided with valves 33; the water flow rate of the left water inlet pipe, the left water outlet pipe, the right water inlet pipe and the right water outlet pipe is controlled through the four groups of valves, so that the temperature of the left condensation plate and the temperature of the right condensation plate are controlled, and the condensation effect of the left condensation plate and the condensation effect of the right condensation plate are adjusted.

The condensing structure for the stainless steel rectification lab scale device of the utility model also comprises a plurality of groups of balls 34, the inner side wall of the sliding hole is provided with a ring groove, most areas of the plurality of groups of balls 34 are all positioned inside the ring groove, and the plurality of groups of balls 34 are all contacted with the outer side wall of the fixed rod 12; the multiunit ball all is difficult to break away from the ring channel, and when the elevator goes up and down, the multiunit ball rotated and reduced frictional force.

The condensing structure for the stainless steel rectification lab scale of the utility model has the advantages that the side wall of the collecting box 4 is communicated with a pressure stabilizing port, and the pressure stabilizing port is provided with a filter screen 35; the air accessible filter screen stabilizes the collecting box internal pressure through the filter screen, reduces the impurity that gets into the collecting box inside.

The utility model discloses a condensing structure for stainless steel rectification lab scale, left inlet tube, left outlet pipe, right inlet tube, right outlet pipe and drain pipe all pass the tower body in a sealed way, pass through flange piece and multiunit bolt fastening together between upper cover, tower body and the low head, first pipeline and outlet duct pass through flange piece and multiunit bolt fastening together, feed liquor to the rectifying column bottom by the feed liquor pipe, the rectifying column provides heat by external heating device at the bottom of the tower, four groups of transition bars fix the collecting tank on left condensation plate and right condensation plate, left inlet tube, left outlet pipe, right inlet tube and right outlet pipe all communicate with external coolant, left condensation plate and right condensation plate department temperature is lower, two groups of left screws, two groups of right screws, two groups of left L type rings and two groups of right L type rings can dismantle left condensation plate and right condensation plate and fix in the tower body, become gaseous upward flow after liquid is heated and evaporated, the gas contacts with the left condensation plate and the right condensation plate in the upward flowing process, the gas is condensed at the left condensation plate and the right condensation plate when meeting cold, the water flow speed of the left water inlet pipe, the left water outlet pipe, the right water inlet pipe and the right water outlet pipe is controlled through four groups of valves, the temperature of the left condensation plate and the temperature of the right condensation plate are further controlled, the condensation effect of the left condensation plate and the right condensation plate are adjusted, liquid drops flow to the inside of the liquid collecting box under the action of gravity after meeting cold condensation, and then flow to the inside of the collecting box along the liquid outlet pipe, the gas after preliminary condensation enters the condenser along the gas outlet pipe and the first pipeline, both the refrigerant outlet end and the refrigerant inlet end are communicated with an external refrigerant, the gas flows to the inside of the collecting box along the second pipeline when meeting cold liquefaction, the non-condensable gas flows along the third pipeline, the content of condensable components in the gas entering the condenser is reduced, need when clearing up left condensation plate and right condensation plate, at first dismantle upper cover and tower body and first pipeline and go out the bolt between the tuber pipe, then the rotary table, at the dead lever, the threaded rod, the upper rotating shaft, first ball bearing, the lower rotating shaft, the second ball bearing, the stiffener, the multiunit ball, under the mutually supporting of elevator and connecting rod, the upper cover can reciprocate, adjust the upper cover to suitable height and clear up, the rotatory ring of baffle hindrance breaks away from the dwang, it makes the carousel rotate to grasp rotatory ring, learn the inside liquid level of collecting box through observing the interior condensate liquid level of hyaline tube, air accessible filter screen, stabilize collecting box internal pressure through the filter screen, reduce the inside impurity of entering collecting box.

The utility model discloses a stainless steel rectification condensation structure for lab scale device, it is above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical means, wherein slidable/rotate fixedly promptly for sliding/rotate the state under not dropping, sealed intercommunication is sealed when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from taking the technique, as long as can reach all implementing of its beneficial effect, above-mentioned all with electric module and with electric appliance be the common electrical part in market, buy when returning to the use only need connect according to the mutual electricity of the instruction manual that together buy back and can use, and control module is its common from taking the module, the event is no longer repeated here.

The condensing structure for the stainless steel rectification lab device of the utility model, under the condition of not being explained reversely, the directional words contained in the terms of "upper, lower, left, right, front, back, inner and outer, vertical and horizontal" and the like only represent the direction of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A condensing structure for a stainless steel rectification lab scale device comprises a workbench (1), wherein a rectification tower (2), a condenser (3) and a collecting box (4) are arranged on the workbench (1), the rectification tower (2) comprises an upper end enclosure, a lower end enclosure and a tower body, a liquid inlet pipe (5) and a gas outlet pipe (6) are respectively communicated with the left side wall and the top side wall of the rectification tower (2), a first pipeline (7), a second pipeline (8) and a third pipeline (9) are respectively communicated with the left end, the bottom end and the right end of the condenser (3), the output end of the second pipeline (8) is communicated with the top end of the right side wall of the collecting box (4), the gas outlet pipe (6) is communicated with the first pipeline (7), and the top end and the bottom end of the condenser (3) are respectively provided with a refrigerant outlet end and a refrigerant inlet end; the device is characterized by further comprising a support rod (10), a threaded rod (11), a fixed rod (12), an upper rotating shaft (13), a rotary table (14), a lifting block (15), two groups of left screws (17), two groups of right screws, a left condensing plate (18), a right condensing plate and a liquid collecting tank (19), wherein the bottom end of the support rod (10) is connected with the workbench (1), the upper half area of the right side wall of the support rod (10) is provided with a mounting groove, the inner top side wall of the mounting groove is provided with a mounting hole communicated with the top side wall of the support rod (10), a first ball bearing (20) is arranged at the mounting hole, the upper rotating shaft (13) is in key connection with the first ball bearing (20), the lifting block (15) is provided with a threaded hole and a sliding hole, the top end of the threaded rod (11) is screwed and penetrates through the threaded hole, and the top end and the bottom end of, the fixing rod (12) penetrates through the sliding hole, the top end and the bottom end of the fixing rod (12) are respectively connected with the inner top side wall and the inner bottom side wall of the mounting groove, the top end of the upper end enclosure is provided with a connecting rod (21), the top end of the connecting rod (21) is connected with the lifting block (15), the front end and the rear end of the left side wall of the left condensation plate (18) are respectively provided with two groups of left L-shaped rings (22), the front end and the rear end of the right side wall of the right condensation plate are respectively provided with two groups of right L-shaped rings, two groups of left screws (17) and two groups of right screws are respectively screwed and penetrate through the two groups of left L-shaped rings (22) and the two groups of right L-shaped rings and then are respectively screwed on the inner side wall of the tower body, a left cavity and a right cavity are respectively arranged inside the left condensation plate (18) and the right condensation plate, a left water inlet pipe (23, the other end of left inlet tube (23), left outlet pipe, right inlet tube and right outlet pipe all passes the tower body and is located the tower body outside, the inside collection chamber that is provided with of collecting tank (19), collecting tank (19) top lateral wall intercommunication are provided with collects the mouth, and collecting tank (19) top lateral wall left front side, right front side, left rear side and right rear side all are provided with transition pole (24), and are two sets of transition pole (24) top is connected with left condenser plate (18), and is two sets of in addition transition pole (24) top all is connected with right condenser plate, and collecting tank (19) bottom side wall intercommunication is provided with drain pipe (25), and the drain pipe (25) other end passes tower body and collecting box (4) intercommunication.

2. The condensing structure for a stainless steel rectification lab scale according to claim 1, further comprising a lower rotating shaft (26), wherein a placing groove is formed on the inner bottom wall of the mounting groove, a second ball bearing (27) is arranged at the placing groove, the bottom end of the lower rotating shaft (26) is connected with the second ball bearing (27) in a key manner, and the top end of the lower rotating shaft (26) is connected with the bottom end of the threaded rod (11).

3. The condensation structure for a stainless steel rectification lab scale according to claim 2, further comprising a rotating rod (28), a rotating ring (29), and a baffle (30), wherein the rotating rod (28) passes through the rotating ring (29) and the top end and the bottom end of the rotating rod (28) are connected to the central region of the bottom side wall of the baffle (30) and the right end of the top side wall of the rotary plate (14), respectively.

4. The condensing structure for a stainless steel rectification lab scale according to claim 3, further comprising a reinforcing rod (31), wherein the top end and the bottom end of the reinforcing rod (31) are connected to the lifting block (15) and the connecting rod (21), respectively.

5. The condensing structure for stainless steel rectification lab scale according to claim 4, wherein the left side wall of the collecting tank (4) is connected with a transparent tube (32).

6. The condensing structure for a stainless steel rectification lab scale according to claim 5, wherein valves (33) are disposed at the other ends of the left inlet pipe (23), the left outlet pipe, the right inlet pipe and the right outlet pipe.

7. The condensing structure for a stainless steel rectification lab scale according to claim 6, further comprising a plurality of sets of balls (34), wherein the inner wall of the sliding hole is provided with an annular groove, most of the plurality of sets of balls (34) are located inside the annular groove, and the plurality of sets of balls (34) are in contact with the outer wall of the fixing rod (12).

8. The condensing structure for stainless steel rectification lab scale according to claim 7, wherein the top sidewall of the collection box (4) is connected to a pressure stabilizing port, and a filter screen (35) is disposed at the pressure stabilizing port.