CN112628718A

CN112628718A - Continuous blowdown flash tank

Info

Publication number: CN112628718A
Application number: CN202011518145.2A
Authority: CN
Inventors: 陈宝成; 王雪勤; 田宽燕; 周书琴
Original assignee: Jiangsu Zhongwei Machinery Manufacturing Co ltd
Current assignee: Jiangsu Zhongwei Machinery Manufacturing Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-04-09
Anticipated expiration: 2040-12-21
Also published as: CN112628718B

Abstract

The invention relates to the technical field of boiler pollution discharge accessories, in particular to a continuous pollution discharge flash tank which is simple in structure, convenient for cleaning dirt on the inner wall of a cylinder and capable of keeping higher flash evaporation efficiency; the steam outlet demister is convenient to maintain, and the use limitation is reduced; the novel steam-water separator comprises a cylindrical shell, the barrel top can be dismantled through the upper flange and be connected with the upper cover, the barrel bottom can be dismantled through lower flange and has the low head, upper cover top intercommunication has the gas outlet, low head bottom intercommunication has the drain, the inside play vapour demister that is provided with of upper cover, the lower part is provided with the flash chamber in the barrel, still include first threaded rod and gag lever post, the first regional connection of right-hand member has the transition pole in the barrel, the transition pole left end is provided with the box, the rotatable first drive shaft that is provided with of bottom half, the rotatable second drive shaft that is provided with in box right part, second drive shaft left end is provided with first bevel gear, the intercommunication has the ferr.

Description

Continuous blowdown flash tank

Technical Field

The invention relates to the technical field of boiler pollution discharge accessories, in particular to a continuous pollution discharge capacity expander.

Background

As is well known, a continuous blowdown flash tank, also called a continuous blowdown expander, is connected to a continuous blowdown port of a boiler, and is used for expanding blowdown water of the boiler to evaporate steam and separating the steam from the blowdown water. The separated steam can be recycled to a thermodynamic system, and the sewage water which is not evaporated can be sent to a sewage cooler to heat softened water and the like. The continuous blowdown flash tank obtains the secondary steam by utilizing the principle of flash evaporation, and after boiler blow-off water is suddenly input into an expansion vessel with a volume which is several times larger than that of a pipeline from the pipeline, the pressure is reduced, and the volume is increased, so that steam is evaporated by flash evaporation.

The existing continuous blowdown flash tank has the following defects: when sewage is subjected to flash evaporation in the sewage discharge flash tank, scales are easy to form on the inner wall of the barrel, the side wall of the barrel is washed by water spray, the dirt is difficult to be completely washed off, the decontamination effect is poor, the effective volume of the barrel is reduced due to long-term accumulation of the dirt, and the flash evaporation efficiency is reduced; the steam outlet demister is inconvenient to maintain and causes certain use limitation.

Disclosure of Invention

In order to solve the technical problem, the invention provides a continuous blowdown flash tank which is simple in structure, convenient for cleaning dirt on the inner wall of a cylinder and capable of keeping high flash evaporation efficiency; and the steam-out demister is convenient to maintain, and the use limitation is reduced.

The invention relates to a continuous pollution discharge flash tank, which comprises a cylinder body, wherein the top of the cylinder body is detachably connected with an upper sealing head through an upper flange plate, the bottom of the cylinder body is detachably provided with a lower sealing head through a lower flange plate, the top end of the upper sealing head is communicated with an air outlet, the bottom end of the lower sealing head is communicated with a sewage outlet, a steam-discharging demister is arranged inside the upper sealing head, a flash chamber is arranged at the middle lower part of the cylinder body, the continuous pollution discharge flash tank also comprises a first threaded rod and a limiting rod, the upper half area of the right end inside the cylinder body is connected with a transition rod, the left end of the transition rod is provided with a box body, the bottom of the box body is rotatably provided with a first driving shaft, the right part of the box body is rotatably provided with a second driving shaft, the left end of the second driving shaft is provided with a first bevel gear, the right end of the second driving shaft is provided with an upper belt pulley, the upper belt pulley and the lower belt pulley are sleeved with a transmission belt, a second bevel gear meshed with the first bevel gear is arranged at the top end of the first driving shaft, the central line of the first driving shaft is coaxial with the central line of the barrel, the bottom end of the first driving shaft is provided with a swing arm, one end, away from the first driving shaft, of the bottom of the swing arm is provided with a mounting groove, the first threaded rod is rotatably mounted in the mounting groove, a regulating block is connected to the first threaded rod in a threaded mode, the limiting rod penetrates through the regulating block, two ends of the limiting rod are connected with the inner wall of the mounting groove, a scraper blade in contact with the inner wall of the barrel.

According to the continuous pollution discharge capacity expander, the left end of the cylinder is connected with two groups of connecting plates, the two groups of connecting plates are respectively provided with a first bearing, the inner rings of the two groups of first bearings are provided with rotating shafts, the top end of each rotating shaft is provided with a fixed block, the upper end enclosure is fixedly connected with a connecting block, and the fixed blocks and the connecting blocks are detachably connected through two groups of first bolts and nuts.

The invention discloses a continuous pollution discharge capacity expander, which comprises a second threaded rod and a lifting plate, wherein a base plate is arranged on the right side wall of a cylinder, a second bearing is arranged at the top of the base plate, a connecting shaft is arranged on the inner ring of the second bearing, the top end of the connecting shaft is connected with the second threaded rod, a threaded pipe connected with the bottom of the lifting plate is in threaded connection with the second threaded rod, sleeves are arranged at four corners of the bottom of the lifting plate, guide rods inserted into the sleeves are arranged at four corners of the top of the base plate, and a driving ring is fixedly connected to the connecting shaft.

The continuous pollution discharge flash tank also comprises a second bolt, wherein a manhole is arranged on the cylinder body, a blocking cover can be detached from the manhole, the height of the manhole is equal to that of a first threaded rod, the left end of the first threaded rod protrudes out of the left end of a swing arm, a hexagonal groove is formed in the left end of the first threaded rod, a support plate is connected to the left end of the swing arm, the second bolt is in threaded connection with the support plate, and the second bolt is in contact with the first threaded rod.

According to the continuous pollution discharge capacity expander, the two water inlets are arranged in a tangent mode with the inner wall of the cylinder body and are arranged in a parallel and back mode.

According to the continuous blowdown flash tank, the number of the transition rods is two.

According to the continuous blowdown flash tank, the number of the transmission belts is two.

According to the continuous blowdown flash tank, the transition port is provided with the mechanical seal which is rotatably connected with the transition shaft.

Compared with the prior art, the invention has the beneficial effects that: the lifting mechanism has the following principle: the driving ring is clamped by a wrench and rotated, so that the connecting shaft and the second threaded rod are rotated, and the lifting plate cannot rotate under the action of the sleeve and the guide rod because the second threaded rod is in threaded connection with the threaded pipe, so that the height of the lifting plate can be changed by rotating the driving ring; the upper end enclosure is connected with the rotating shaft through two groups of first bolts, nuts, fixing blocks and connecting blocks, the rotating shaft and the upper end enclosure can rotate by taking the rotating shaft as an axis under the matching of the two groups of connecting plates and the first bearings, the upper end enclosure has two disassembling modes, and the first fixing blocks and the connecting blocks are connected to enable the upper end enclosure to rotate by taking the rotating shaft as an axis; secondly, disassembling the fixed block and the connecting block, and hoisting the upper end enclosure by using a hoisting machine; because the first threaded rod is rotatably arranged on the swing arm and is in threaded connection with the adjusting block, the adjusting block cannot rotate along with the first threaded rod under the simultaneous action of the limiting rod and the first threaded rod, so that the adjusting block and the scraper can simultaneously generate transverse displacement by the rotation of the first threaded rod, when the scraper is worn and has poor wall scraping effect, the hexagonal groove is stopped close to the manhole by operating the motor, the baffle cover is opened, the hexagon socket wrench is inserted into the hexagonal groove to rotate the first threaded rod so as to adjust the position of the scraper, after the adjustment is finished, the second bolt is rotated to enable the second bolt to be in close contact with the first threaded rod so as to prevent the position of the scraper from changing, the height of the motor is adjusted by the lifting mechanism so as to adjust the tightness of the transmission belt and facilitate the replacement of the transmission belt, and during normal use, sewage enters the flash chamber inside the barrel along the two water inlets, pressure reduces, the volume increases, thereby flash evaporation goes out steam, steam carries out gas-liquid separation back along the gas outlet through a vapour demister and discharges, sewage flows along the drain, when needing to clear up the barrel inner wall, rotatory first threaded rod makes the scraper blade be close to barrel inner wall one end and barrel inner wall contact, then open the motor make scraper blade etc. rotate can, when a vapour demister changes or maintains, tear open the upper flange open the upper cover operate can, need not to enter into inside the barrel.

Drawings

FIG. 1 is a schematic structural view 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;

in the drawings, the reference numbers: 1. a barrel; 2. an upper flange plate; 3. an upper end enclosure; 4. a lower flange plate; 5. a lower end enclosure; 6. an air outlet; 7. a sewage draining outlet; 8. a steam outlet demister; 9. a flash chamber; 10. a first threaded rod; 11. a limiting rod; 12. a transition rod; 13. a box body; 14. a first drive shaft; 15. a second drive shaft; 16. a first bevel gear; 17. a motor; 18. an upper belt pulley; 19. a lower belt pulley; 20. a drive belt; 21. a second bevel gear; 22. swinging arms; 23. an adjusting block; 24. a squeegee; 25. a water inlet; 26. a safety valve; 27. a connecting plate; 28. a rotating shaft; 29. a fixed block; 30. connecting blocks; 31. a second threaded rod; 32. a lifting plate; 33. a substrate; 35. a connecting shaft; 36. a threaded pipe; 37. a sleeve; 38. a guide bar; 39. a drive ring; 40. a second bolt; 41. and (4) mechanically sealing.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with 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 figures 1 to 3, the continuous pollution discharge flash tank comprises a cylinder body 1, wherein the top of the cylinder body 1 is detachably connected with an upper seal head 3 through an upper flange 2, the bottom of the cylinder body 1 is detachably provided with a lower seal head 5 through a lower flange 4, the top end of the upper seal head 3 is communicated with an air outlet 6, the bottom end of the lower seal head 5 is communicated with a sewage outlet 7, the upper seal head 3 is internally provided with an air outlet demister 8, the middle lower part of the cylinder body 1 is provided with a flash chamber 9, the continuous pollution discharge flash tank further comprises a first threaded rod 10 and a limiting rod 11, the upper half area of the right end of the inside of the cylinder body 1 is connected with a transition rod 12, the left end of the transition rod 12 is provided with a box body 13, the bottom of the box body 13 is rotatably provided with a first driving shaft 14, the right part of the box body 13 is rotatably provided with a second driving shaft 15, the left end of the, the outer side wall of the cylinder body 1 is provided with a lifting mechanism, the lifting mechanism is provided with a motor 17, the output end of the motor 17 is provided with a lower belt pulley 19, the right end of a second driving shaft 15 is provided with an upper belt pulley 18, the upper belt pulley 18 and the lower belt pulley 19 are sleeved with a transmission belt 20, the top end of a first driving shaft 14 is provided with a second bevel gear 21 meshed with a first bevel gear 16, the central line of the first driving shaft 14 is coaxial with the central line of the cylinder body 1, the bottom end of the first driving shaft 14 is provided with a swing arm 22, one end of the bottom of the swing arm 22, which is far away from the first driving shaft 14, is provided with a mounting groove, a first threaded rod 10 is rotatably mounted in the mounting groove, a regulating block 23 is in threaded connection with the first threaded rod 10, a limiting rod 11 passes through the regulating block 23, two ends of the limiting rod 11, a safety valve 26 is communicated with the cylinder 1; because the first threaded rod 10 is rotatably installed on the swing arm 22, the first threaded rod 10 is in threaded connection with the adjusting block 23, and the adjusting block 23 cannot rotate along with the first threaded rod 10 under the simultaneous action of the limiting rod 11 and the first threaded rod 10, so that the adjusting block 23 and the scraper 24 can simultaneously generate transverse displacement by the rotation of the first threaded rod 10, the height of the motor 17 is adjusted by the lifting mechanism, the tightness of the transmission belt 20 is adjusted, the transmission belt 20 is convenient to replace, in normal use, sewage enters the flash chamber 9 in the barrel 1 along the two water inlets 25, the pressure is reduced, the volume is increased, so that steam is evaporated by flash evaporation, the steam is discharged along the air outlet 6 after gas-liquid separation of the steam-discharging demister 8, the sewage flows out along the sewage discharge outlet 7, when the inner wall of the barrel 1 needs to be cleaned, the first threaded rod 10 is rotated to enable one end of the scraper 24, which is close to the inner wall of the barrel 1, then the motor 17 is started to enable the scraper 24 and the like to rotate, when the steam-out demister 8 is replaced or maintained, the upper flange is detached, and the upper sealing head 3 is opened to operate without entering the cylinder 1.

According to the continuous pollution discharge flash tank, the left end of the cylinder body 1 is connected with two groups of connecting plates 27, first bearings are arranged on the two groups of connecting plates 27, rotating shafts 28 are arranged on inner rings of the two groups of first bearings, a fixed block 29 is arranged at the top end of each rotating shaft 28, a connecting block 30 is fixedly connected to the upper end enclosure 3, and the fixed block 29 and the connecting block 30 are detachably connected through two groups of first bolts and nuts; the upper end enclosure 3 is connected with the rotating shaft 28 through two groups of first bolts, nuts, fixing blocks 29 and connecting blocks 30, the rotating shaft 28 and the upper end enclosure 3 can rotate by taking the rotating shaft 28 as an axis under the matching of the two groups of connecting plates 27 and the first bearings, the upper end enclosure 3 has two disassembly modes, and the first fixing blocks 29 and the connecting blocks 30 are connected to enable the upper end enclosure 3 to rotate by taking the rotating shaft 28 as an axis; secondly, the fixing block 29 and the connecting block 30 are disassembled, and the upper end enclosure 3 is lifted by using a lifting machine.

The invention relates to a continuous pollution discharge capacity expander, wherein a lifting mechanism comprises a second threaded rod 31 and a lifting plate 32, the right side wall of a cylinder body 1 is provided with a base plate 33, the top of the base plate 33 is provided with a second bearing, the inner ring of the second bearing is provided with a connecting shaft 35, the top end of the connecting shaft 35 is connected with the second threaded rod 31, the second threaded rod 31 is in threaded connection with a threaded pipe 36 connected with the bottom of the lifting plate 32, four corners of the bottom of the lifting plate 32 are provided with sleeves 37, four corners of the top of the base plate 33 are provided with guide rods 38 inserted into the sleeves 37, and a driving ring 39 is fixedly connected; the lifting mechanism has the following principle: the driving ring 39 is clamped and rotated by a wrench to rotate the connecting shaft 35 and the second threaded rod 31, and since the second threaded rod 31 is threadedly coupled to the threaded pipe 36 and the elevation plate 32 cannot be rotated by the sleeve 37 and the guide rod 38, the elevation plate 32 can be changed in height by rotating the driving ring 39.

The continuous pollution discharge flash tank further comprises a second bolt 40, a manhole is arranged on the barrel body 1, a blocking cover can be detached from the manhole, the height of the manhole is equal to that of a first threaded rod 10, the left end of the first threaded rod 10 protrudes out of the left end of a swing arm 22, a hexagonal groove is formed in the left end of the first threaded rod 10, a support plate is connected to the left end of the swing arm 22, the second bolt 40 is in threaded connection with the support plate, and the second bolt 40 is in contact with the first threaded rod 10; wear and tear appears in scraper blade 24, when scraping the wall effect not good, operation motor 17 makes hexagonal groove close to manhole department and stops, opens the fender lid, uses the hexagonal spanner to insert hexagonal inslot portion, makes first threaded rod 10 rotatory to adjust scraper blade 24 position, adjust the back that finishes, rotatory second bolt 40 makes second bolt 40 and first threaded rod 10 in close contact with, prevents that scraper blade 24 position from changing.

According to the continuous pollution discharge capacity expander, the two water inlets 25 are arranged in a tangent mode with the inner wall of the barrel 1, and the two water inlets 25 are arranged in a parallel and back-to-back mode; two water inlets 25 all set up with the tangent of barrel 1 inner wall, and two water inlets 25 parallel dorsad settings for the faster evaporation of sewage.

In the continuous blowdown flash tank of the invention, two groups of transition rods 12 are provided; the connection reliability is improved.

In the continuous blowdown flash tank of the invention, two groups of transmission belts 20 are provided; the running stability of the drive belt 20 is improved.

According to the continuous blowdown flash tank, the transition port is provided with the mechanical seal 41 which is rotatably connected with the transition shaft; the sealing performance at the transition port is ensured, and the rotation of the transition shaft is not hindered.

The invention relates to a continuous pollution discharge flash tank, which has the following lifting mechanism principle when in work: the driving ring 39 is clamped and rotated by a wrench, so that the connecting shaft 35 and the second threaded rod 31 are rotated, and the second threaded rod 31 is in threaded connection with the threaded pipe 36, and the lifting plate 32 cannot rotate under the action of the sleeve 37 and the guide rod 38, so that the lifting plate 32 can be changed in height by rotating the driving ring 39; the upper end enclosure 3 is connected with the rotating shaft 28 through two groups of first bolts, nuts, fixing blocks 29 and connecting blocks 30, the rotating shaft 28 and the upper end enclosure 3 can rotate by taking the rotating shaft 28 as an axis under the matching of the two groups of connecting plates 27 and the first bearings, the upper end enclosure 3 has two disassembly modes, and the first fixing blocks 29 and the connecting blocks 30 are connected to enable the upper end enclosure 3 to rotate by taking the rotating shaft 28 as an axis; secondly, disassembling the fixing block 29 and the connecting block 30, and hoisting the upper end enclosure 3 by using a hoisting machine; because the first threaded rod 10 is rotatably installed on the swing arm 22, the first threaded rod 10 is in threaded connection with the adjusting block 23, and the adjusting block 23 cannot rotate along with the first threaded rod 10 under the simultaneous action of the limiting rod 11 and the first threaded rod 10, so that the adjusting block 23 and the scraper 24 can simultaneously generate transverse displacement when the first threaded rod 10 rotates, when the scraper 24 is worn and the wall scraping effect is poor, the motor 17 is operated to stop the hexagonal groove close to the manhole, the baffle cover is opened, the hexagon socket wrench is inserted into the hexagonal groove to rotate the first threaded rod 10, so as to adjust the position of the scraper 24, after the adjustment is finished, the second bolt 40 is rotated to enable the second bolt 40 to be in close contact with the first threaded rod 10, so as to prevent the position of the scraper 24 from changing, the height of the motor 17 is adjusted through the lifting mechanism, so as to adjust the tightness of the transmission belt 20, and facilitate the replacement of the transmission belt 20, during normal use, sewage enters into the inside flash chamber 9 department of barrel 1 along two water inlets 25, pressure reduction, the volume increases, thereby flash evaporation goes out steam, steam carries out gas-liquid separation back along gas outlet 6 discharges through going out vapour demister 8, sewage flows along drain 7, when needing to clear up barrel 1 inner wall, rotatory first threaded rod 10 makes scraper blade 24 be close to 1 inner wall one end of barrel and the contact of barrel 1 inner wall, then open motor 17 make scraper blade 24 etc. rotate can, when going out vapour demister 8 and changing or maintaining, tear the upper flange open, open upper cover 3 operate can, need not to enter into inside the barrel 1.

The installation mode, the connection mode or the arrangement mode of all the components are welding, riveting or other common mechanical modes, wherein the sliding/rotating fixation is that the components do not fall off under the sliding/rotating state, the sealing communication is that the two connecting pieces are communicated and simultaneously sealed, the specific structures, the models and the coefficient indexes of all the components are self-contained technologies, the beneficial effects can be realized, all the electric modules and the electric appliances are common electric appliances in the market, the electric modules and the electric appliances can be used only by being mutually and electrically connected according to the use specifications bought back together when bought for use, and the control module is the common self-contained module, so the details are not repeated.

In the continuous blowdown flash tank of the present invention, unless otherwise specified, the directional terms "up, down, left, right, front, rear, inside, outside, and vertical and horizontal" included in the term merely represent the orientation of the term in a 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 above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several 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 continuous pollution discharge flash tank is characterized by comprising a cylinder body (1), wherein the top of the cylinder body (1) is detachably connected with an upper seal head (3) through an upper flange plate (2), the bottom of the cylinder body (1) is detachably provided with a lower seal head (5) through a lower flange plate (4), the top end of the upper seal head (3) is communicated with an air outlet (6), the bottom end of the lower seal head (5) is communicated with a sewage outlet (7), a steam-outlet demister (8) is arranged in the upper seal head (3), the middle lower part of the cylinder body (1) is provided with a flash chamber (9), the continuous pollution discharge flash tank further comprises a first threaded rod (10) and a limiting rod (11), the upper half area of the inner right end of the cylinder body (1) is connected with a transition rod (12), the left end of the transition rod (12) is provided with a box body (13), the bottom of the box body (13), a first bevel gear (16) is arranged at the left end of a second driving shaft (15), a transition port is communicated with the cylinder body (1), the right end of the second driving shaft (15) extends out of the cylinder body (1) along the transition port, a lifting mechanism is arranged on the outer side wall of the cylinder body (1), a motor (17) is arranged on the lifting mechanism, a lower belt pulley (19) is arranged at the output end of the motor (17), an upper belt pulley (18) is arranged at the right end of the second driving shaft (15), a transmission belt (20) is sleeved on the upper belt pulley (18) and the lower belt pulley (19), a second bevel gear (21) meshed with the first bevel gear (16) is arranged at the top end of the first driving shaft (14), the central line of the first driving shaft (14) is coaxial with the central line of the cylinder body (1), a swing arm (22) is arranged at the bottom end of the first driving shaft, first threaded rod (10) rotatable the installation in the mounting groove, threaded connection has regulating block (23) on first threaded rod (10), regulating block (23) are passed and regulating block (11) both ends and mounting groove inner wall connection in gag lever post (11), regulating block (23) bottom be provided with scraper blade (24) of barrel (1) inner wall contact, barrel (1) lateral wall lower half regional intercommunication have two water inlets (25) that communicate with flash chamber (9), the intercommunication has relief valve (26) on barrel (1).

2. The continuous blowdown flash tank of claim 1, wherein two sets of connecting plates (27) are connected to the left end of the cylinder (1), first bearings are arranged on the two sets of connecting plates (27), rotating shafts (28) are arranged in the two sets of first bearings, a fixing block (29) is arranged at the top end of each rotating shaft (28), a connecting block (30) is fixedly connected to the upper end enclosure (3), and the fixing block (29) and the connecting block (30) are detachably connected through two sets of first bolts and nuts.

3. The continuous blowdown flash tank of claim 2, wherein the lifting mechanism comprises a second threaded rod (31) and a lifting plate (32), the right side wall of the cylinder (1) is provided with a base plate (33), a second bearing is arranged at the top of the base plate (33), a connecting shaft (35) is arranged in an inner ring of the second bearing, the top end of the connecting shaft (35) is connected with the second threaded rod (31), a threaded pipe (36) connected with the bottom of the lifting plate (32) is in threaded connection with the second threaded rod (31), sleeves (37) are arranged at four corners at the bottom of the lifting plate (32), guide rods (38) inserted into the sleeves (37) are arranged at four corners at the top of the base plate (33), and a driving ring (39) is fixedly connected to the connecting shaft (35).

4. The continuous blowdown flash tank of claim 3, further comprising a second bolt (40), wherein a manhole is arranged on the cylinder body (1), a baffle cover can be detached at the manhole, the height of the manhole is equal to that of the first threaded rod (10), the left end of the first threaded rod (10) protrudes out of the left end of the swing arm (22), a hexagonal groove is arranged at the left end of the first threaded rod (10), a support plate is connected to the left end of the swing arm (22), the second bolt (40) is in threaded connection with the support plate, and the second bolt (40) is in contact with the first threaded rod (10).

5. A continuous blowdown flash tank as claimed in claim 4, wherein both water inlets (25) are tangentially arranged to the inner wall of the tank (1), and both water inlets (25) are arranged in parallel facing away.

6. A continuous blowdown flash tank as claimed in claim 5, wherein said transition rods (12) are in two groups.

7. A continuous waste flash tank as claimed in claim 6 wherein the drive belts (20) are in two sets.

8. A continuous blowdown flash tank as claimed in claim 7, wherein a mechanical seal (41) is provided at the transition port in rotatable connection with the transition shaft.