CN210205923U

CN210205923U - Scraper film evaporator

Info

Publication number: CN210205923U
Application number: CN201920482164.0U
Authority: CN
Inventors: Junfeng Hang; 杭军锋
Original assignee: Wuxi Shuangsheng Petrochemical Equipment Co Ltd
Current assignee: Wuxi Shuangsheng Petrochemical Equipment Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-03-31
Anticipated expiration: 2029-04-10

Abstract

The utility model relates to the technical field of chemical equipment, and aims to provide a scraper film evaporator, which adopts the technical scheme that the evaporator comprises a cylinder body, an upper end socket connected to the upper end of the cylinder body and a lower end socket connected to the lower end of the cylinder body, wherein a rotating shaft is arranged in the cylinder body, a distributor and a gas-liquid separator are arranged at the upper part of the rotating shaft, the evaporator also comprises a spray pipe and a spray ball with spray holes, the spray pipe is arranged on the upper end socket, one end of the spray pipe is positioned outside the upper end socket, and the other end of the spray pipe is positioned in the; when the scraper film evaporator is used for cleaning the cylinder, the side wall of the cylinder can be contacted with water and cleaned by the water, so that the possibility that some parts of the side wall of the cylinder are difficult to contact with the water is reduced, and convenience is brought to the cleaning of the cylinder.

Description

Scraper film evaporator

Technical Field

The utility model relates to a technical field of chemical industry equipment, in particular to scraper blade film evaporator.

Background

The scraper film evaporator is characterized in that a heating steam jacket is arranged outside a shell, a rotatable scraper is arranged inside the shell, and the scraper is driven by a rotating shaft at the center of a cylinder. After the raw material liquid is added from the upper part of the evaporator along the tangential direction, a downward-rotating film is formed along the inner wall surface of the shell under the drive of gravity and a rotating scraper, the finished liquid is discharged from the bottom of the evaporator, and the secondary steam is discharged from the upper part of the evaporator after passing through the demister.

Chinese patent No. CN204428858U discloses a scraper film evaporator, which comprises a cylinder, an upper end enclosure fixed on the upper end of the cylinder and a lower end enclosure fixed on the lower end of the cylinder, wherein the outer wall of the cylinder is provided with a jacket, the upper end enclosure is provided with a material inlet and a secondary steam outlet, the upper part of the upper end enclosure is provided with a frame, the cylinder is internally provided with a rotating shaft, the upper part of the rotating shaft is provided with a distributor and a gas-liquid separator, the upper end of the rotating shaft penetrates out of the upper end enclosure and is in transmission connection with a driving device arranged on the frame, the rotating shaft is provided with a scraper, the lower end of the rotating shaft penetrates out of the lower end enclosure, the lower end enclosure is provided with a material outlet, the outer wall of the lower end enclosure is provided with a bottom bearing used for fixing the lower end of the rotating shaft, the base is detachably connected with the positioning plate.

When the scraper film evaporator is cleaned, water is injected into the cylinder body through the material inlet, flows in the cylinder body and is discharged through the material outlet, so that cleaning is completed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scraper blade film evaporator, it can make barrel lateral wall and water contact when wasing the barrel, is washd by water, reduces some positions of barrel lateral wall and is difficult to the possibility with water contact, brings the convenience for wasing the barrel.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a scraper blade film evaporator, includes the barrel, connects in the upper cover of barrel upper end and connects in the low head of barrel lower extreme, and the barrel is inside to be provided with the rotation axis, and distributor, vapour and liquid separator are installed on the upper portion of rotation axis, still includes shower and the ball that sprays that has the hole that sprays, the shower sets up on last head, the one end of shower is in the upper cover outside, and the other end is in inside and the ball that sprays of upper cover.

Through adopting above-mentioned technical scheme, when wasing the barrel, to the water injection in the shower, the water that pours into in the shower enters into and sprays the ball and be the diffusion form blowout through the hole that sprays on spraying the ball, be on diffusion form spun rivers flow to the upper cover lateral wall, then along the upper cover lateral wall downward flow to the barrel lateral wall on, thereby realize barrel lateral wall and water contact, by the abluent purpose of water, reduce some positions of barrel lateral wall and be difficult to with the possibility of water contact, bring the convenience for wasing the barrel.

Further setting: the number of the spraying pipes is four, and the four spraying pipes are in an annular array by taking the central line of the upper end socket as the center.

Through adopting above-mentioned technical scheme, set up the shower into four and be annular array, when wasing the barrel, can let the scope of spraying of water more comprehensive, let barrel and more water contact to further reduce some positions of barrel lateral wall and be difficult to the possibility with water contact, bring the convenience for wasing the barrel.

Further setting: the spraying ball is positioned above the gas-liquid separator.

Through adopting above-mentioned technical scheme, spray the ball and be in on vapour and liquid separator, when water spout from spraying in the ball, spun water passes through vapour and liquid separator to the realization carries out abluent mesh to vapour and liquid separator.

Further setting: the spraying pipe is provided with a connecting sheet, the upper end enclosure is provided with a connecting hole, the connecting sheet is detachably connected with the connecting hole, and the diameter of the spraying ball is smaller than that of the connecting hole.

Through adopting above-mentioned technical scheme, when detecting whether the ball that sprays blockked up, dismantle the connection piece from the connecting hole, the pulling connection piece, the connection piece drives through the shower and sprays the ball and remove to will spray the ball and take out in the upper cover, so that check spraying the ball, look over whether the ball that sprays on spraying the ball is blockked up.

Further setting: the spraying ball is detachably connected with the spraying pipe.

Through adopting above-mentioned technical scheme, if the discovery sprays the ball when the ball and blocks up seriously, can dismantle the ball that sprays that blocks up and change the new ball that sprays to can continue to wash the barrel, avoid spraying the ball and block up the cleaning performance who influences the barrel.

Further setting: the spray pipe is detachably connected with the connecting sheet.

Through adopting above-mentioned technical scheme, if the shower is corroded under long-term and water contact, can dismantle the shower of corruption and change to going on smoothly to the washing of barrel, avoiding appearing the phenomenon of leaking.

Further setting: the spray pipe is characterized in that a through hole is formed in the connecting piece, an internal thread sleeve is arranged in the through hole, threads matched with the internal thread sleeve are formed in the outer side wall of the spray pipe, the spray pipe is in threaded connection with the internal thread sleeve, and a rotating handle is arranged on the spray pipe.

Through adopting above-mentioned technical scheme, when dismantling the shower, dismantle the ball that sprays earlier and get off, rotate twist grip again, twist grip drives the shower and rotates, changes the relative position between shower and the internal thread sleeve, makes shower and connection piece separation to the realization is dismantled the purpose that gets off the shower.

Further setting: the upper end cover is provided with a convex ring, the inner side wall of the convex ring is provided with an annular groove, a sealing washer is arranged in the annular groove, and the connecting sheet is abutted to the sealing washer.

Through adopting above-mentioned technical scheme, the connection piece is contradicted with seal ring to the sealing performance between connection piece and the upper cover has been improved.

To sum up, the utility model discloses following beneficial effect has:

1. when the barrel is cleaned, water is injected into the spray pipe, the water injected into the spray pipe enters the spray ball and is sprayed out in a diffusion mode through the spray holes in the spray ball, the water sprayed out in the diffusion mode flows onto the side wall of the upper end enclosure and then flows downwards along the side wall of the upper end enclosure to the side wall of the barrel, so that the purpose that the side wall of the barrel is contacted with the water and is cleaned by the water is achieved, the possibility that parts of the side wall of the barrel are difficult to contact with the water is reduced, and convenience is brought to cleaning of the barrel;

2. the four spray pipes are arranged in the annular array, so that the spraying range of water can be more comprehensive when the barrel is cleaned, and the barrel is contacted with more water, so that the possibility that parts on the side wall of the barrel are difficult to contact with the water is further reduced, and convenience is brought to cleaning of the barrel;

3. when detecting whether the ball that sprays blockked up, dismantle the connection piece from the connecting hole, the pulling connection piece, the connection piece drives through the shower and sprays the ball and remove to will spray the ball and take out in the upper cover, so that inspect spraying the ball, look over spray the ball on the ball whether blockked up.

Drawings

Fig. 1 is a schematic structural diagram for embodying the present invention in the present embodiment;

fig. 2 is a schematic structural diagram for showing a positional relationship between the spray ball and the gas-liquid separator in the present embodiment;

fig. 3 is a schematic structural diagram for showing a positional relationship between the lower head and the material outlet in the embodiment;

fig. 4 is a schematic structural diagram for showing a positional relationship between the shower pipe and the upper head in the present embodiment;

FIG. 5 is an enlarged view of the portion A of FIG. 4 for illustrating the positional relationship between the sealing washer and the raised ring;

FIG. 6 is an enlarged view of the part B of FIG. 2 for showing the positional relationship between the shower ball and the rotary handle;

fig. 7 is a schematic structural diagram for showing a positional relationship between the shower ball and the externally threaded sleeve in this embodiment.

In the figure, 1, a cylinder; 11. an upper cylinder body; 12. a lower cylinder body; 2. an upper end enclosure; 3. a lower end enclosure; 4. a heating jacket; 5. a steam inlet; 6. a condensed water outlet; 7. a secondary steam outlet; 8. a material inlet; 9. a material outlet; 10. a rotating shaft; 13. a squeegee; 14. a distributor; 15. a gas-liquid separator; 16. a shower pipe; 17. connecting sheets; 18. connecting holes; 19. a convex ring; 20. an annular groove; 21. a sealing gasket; 22. a through hole; 23. an internally threaded sleeve; 24. rotating the handle; 25. spraying a ball; 26. spraying holes; 27. an externally threaded sleeve; 28. a support; 29. an electric motor.

Detailed Description

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

Example (b): a scraper film evaporator, as shown in figure 1, comprises a cylinder 1, an upper end enclosure 2 connected with the upper end of the cylinder 1 and a lower end enclosure 3 connected with the lower end of the cylinder 1.

As shown in fig. 1 and 2, the barrel 1 includes an upper barrel 11 and a lower barrel 12, a first flange and a second flange are respectively disposed at two ends of the upper barrel 11, a third flange and a fourth flange are respectively disposed at two ends of the lower barrel 12, a fifth flange is disposed on the upper head 2, a sixth flange is disposed on the lower head 3, the fifth flange is connected with the first flange through a bolt, the second flange is connected with the third flange through a bolt, the fourth flange is connected with the sixth flange through a bolt, heating jackets 4 are disposed on the upper barrel 11 and the lower barrel 12, and a steam inlet 5 and a condensed water outlet 6 are disposed on the heating jackets 4.

As shown in fig. 1 and 2, the upper head 2 is provided with a secondary steam outlet 7 and a material inlet 8, and as shown in fig. 1 and 3, the eccentric position of the lower head 3 is provided with a material outlet 9.

As shown in fig. 2 and 3, a rotating shaft 10 is arranged inside the cylinder 1, one end of the rotating shaft 10 is rotatably connected with the lower end enclosure 3, the other end of the rotating shaft is rotatably connected with the upper end enclosure 2 and penetrates through the upper end enclosure 2, a support 28 is arranged outside the upper end enclosure 2, a motor 29 is arranged on the support 28, an output shaft of the motor 29 is connected with the rotating shaft 10, a scraper 13 is arranged on the rotating shaft 10, the scraper 13 is located inside the cylinder 1, and the distance between the outer end face of the scraper 13 and the inner wall of the cylinder 1 is 0.5-1.5 mm.

As shown in fig. 2, a distributor 14 and a gas-liquid separator 15 are mounted on the rotating shaft 10, the distributor 14 and the gas-liquid separator 15 are both located in the upper head 2, the gas-liquid separator 15 is higher than the distributor 14 but lower than the secondary steam outlet 7, and the distributor 14 is lower than the material inlet 8.

As shown in fig. 4 and 5, the upper head 2 is detachably connected with four spray pipes 16, the four spray pipes 16 are arranged in an annular array with the center line of the upper head 2 as the center, the spray pipes 16 are provided with connecting pieces 17, the upper head 2 is provided with connecting holes 18, the connecting pieces 17 are detachably connected with the connecting holes 18, the upper head 2 is further provided with a convex ring 19, the center line of the convex ring 19 is collinear with the center line of the connecting holes 18, the inner side wall of the convex ring 19 is provided with an annular groove 20, the cross section of the convex ring 19 is in an L shape, the annular groove 20 is internally provided with a sealing washer 21, the connecting pieces 17 abut against the sealing washer 21, the connecting pieces 17 are connected with the convex ring 19 through screws, the annular groove 20 is provided with threaded holes, and the screws sequentially.

As shown in fig. 6 and 7, the spray pipe 16 is detachably connected with the connecting piece 17, the connecting piece 17 is provided with a through hole 22, an internal thread sleeve 23 is arranged in the through hole 22, the outer side wall of the spray pipe 16 is provided with a thread matched with the internal thread sleeve 23, the spray pipe 16 is in threaded connection with the internal thread sleeve 23, and the spray pipe 16 is provided with a rotating handle 24.

As shown in fig. 2 and 6, one end of the spray pipe 16 is located outside the upper seal head 2, the rotating handle 24 is located outside the upper seal head 2, the other end of the spray pipe 16 is located inside the upper seal head 2 and is detachably connected with a spray ball 25, the diameter of the spray ball 25 is smaller than that of the connecting hole 18, the spray ball 25 is located above the gas-liquid separator 15, as shown in fig. 6 and 7, the spray ball 25 is provided with a spray hole 26, the spray ball 25 is provided with an external thread sleeve 27 communicated with the spray ball 25, the inner side wall of the spray pipe 16 is provided with a thread matched with the external thread sleeve 27, and the external thread sleeve 27 is in threaded connection with the.

The implementation process comprises the following steps: when washing barrel 1, inject high-pressure rivers into shower 16, the water of pouring into in the shower 16 enters into and sprays ball 25, the water that sprays in the ball 25 is the diffusion form blowout through spraying hole 26, is on diffusion form blowout rivers flow to upper cover 2 lateral wall, then flows down to barrel 1 lateral wall along upper cover 2 lateral wall on to realize barrel 1 lateral wall and water contact, by the abluent purpose of water, reduce the barrel 1 lateral wall some positions be difficult to with the possibility of water contact.

Whether detecting and spraying ball 25 and blockking up, dismantle the screw on the connection piece 17, the contact is to the spacing of connection piece 17, pulling connection piece 17, drive through shower 16 and spray ball 25 and remove, will spray ball 25 and from the inside upper cover 2 outsides that moves to of upper cover 2 to the realization will spray the purpose that ball 25 took out, so that to spray ball 25 and inspect.

When the spray pipe 16 is replaced, the spray ball 25 is detached firstly, the rotating handle 24 is rotated, the rotating handle 24 drives the spray pipe 16 to rotate, the spray pipe 16 is unscrewed from the internal thread sleeve 23, the spray pipe 16 is separated from the connecting piece 17, and therefore the disassembly of the spray pipe 16 is completed, and the spray pipe 16 can be lost for replacement.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a scraper blade film evaporator, includes barrel (1), connects in upper cover (2) of barrel (1) upper end and connects in lower head (3) of barrel (1) lower extreme, and barrel (1) is inside to be provided with rotation axis (10), and distributor (14), vapour and liquid separator (15), its characterized in that are installed on the upper portion of rotation axis (10): the spray pipe (16) is arranged on the upper end enclosure (2), one end of the spray pipe (16) is positioned outside the upper end enclosure (2), and the other end of the spray pipe (16) is positioned inside the upper end enclosure (2) and is connected with the spray ball (25).

2. The wiped film evaporator of claim 1 wherein: the number of the spray pipes (16) is four, and the four spray pipes (16) are in an annular array by taking the central line of the upper seal head (2) as the center.

3. The wiped film evaporator of claim 1 wherein: the spraying ball (25) is positioned above the gas-liquid separator (15).

4. The wiped film evaporator of claim 1 wherein: the spray pipe is characterized in that a connecting piece (17) is arranged on the spray pipe (16), a connecting hole (18) is formed in the upper end enclosure (2), the connecting piece (17) is detachably connected with the connecting hole (18), and the diameter of the spray ball (25) is smaller than that of the connecting hole (18).

5. The wiped film evaporator of claim 4 wherein: the spraying ball (25) is detachably connected with the spraying pipe (16).

6. The wiped film evaporator of claim 5 wherein: the spray pipe (16) is detachably connected with the connecting piece (17).

7. The wiped film evaporator of claim 6 wherein: be equipped with through-hole (22) on connection piece (17), be equipped with internal thread sleeve (23) in through-hole (22), be equipped with the screw thread that matches with internal thread sleeve (23) on shower (16) lateral wall, shower (16) and internal thread sleeve (23) spiro union, just be equipped with twist grip (24) on shower (16).

8. The wiped film evaporator of claim 4 wherein: be equipped with bulge loop (19) on upper cover (2), be equipped with ring channel (20) on bulge loop (19) inside wall, be equipped with seal ring (21) in ring channel (20), connection piece (17) are contradicted with seal ring (21).