CN104815479A - Improved thickener - Google Patents

Abstract

The invention discloses an improved thickener, which comprises an outer cylinder and a guide cylinder, wherein an end cover is fixed at the upper part of the outer cylinder, a supporting seat is fixed on the end cover, a speed reducing motor is fixed on the supporting seat, a stirring rod is fixed on an output shaft of the speed reducing motor through a coupler, and a feeding pipe is fixed on the end cover; the guide shell is inserted in the outer shell and fixed on the inner side wall of the outer shell through the support rod, an extension part extending radially outwards is formed on the side wall of the bottom end of the guide shell, the extension part is fixed on the inner side wall of the outer shell, so that an outer washing area and an inner washing area are formed between the outer shell and the guide shell, and the side wall of the middle part of the outer shell is communicated with a drain pipe. The automatic flushing device is compact in structure and small in size, the automatic flushing device is arranged on the automatic flushing device, the cleaning pipe can be flushed, meanwhile, the filtering device arranged on the automatic flushing device can be used for filtering liquid again, and therefore particulate matters doped in the liquid discharged from the cleaning pipe are reduced, and the stirring rod of the automatic flushing device are provided with buffering devices to prevent damage.

Description

An Improved Thickener

Technical field:

The invention relates to the technical field of chemical equipment, in particular to an improved thickener.

Background technique:

Thickeners are commonly used in chemical, pharmaceutical and other industries, which mainly separate large and small particles of crystal liquid (or remove small particles), so that the clarified liquid is at the top, and the solid-liquid with a large number of crystals is at the bottom for further processing. discharge.

The existing thickener ammonium chloride thickener has a large volume and high height, and it needs to install a circulation structure, which makes the volume larger and greatly occupies its use space, and some pipeline outlets on it have no The flushing device for flushing is easy to block and inconvenient to clean. Moreover, there is no filtering device between the existing flow guiding cylinder and the outer cylinder body, and the discharged liquid is likely to be mixed with particulate matter.

At the same time, the stirring device used in the existing thickener generally adopts a stirring impeller welded and fixed on the lower side wall of the stirring rod for stirring. However, its length is constant. It acts as an upward push, so that when the agitator is running, the rod will bend, which will affect the use and reduce the service life of the agitator. Moreover, the existing stirring rod part and the stirring impeller are molded together and cannot be separated. When the impeller is damaged or the stirring rod part is damaged, the agitator is damaged and needs to be replaced entirely, and its maintenance cost is high.

Invention content:

The purpose of the present invention is to overcome the deficiencies of the prior art and provide an improved thickener with a compact structure and a small volume, and an automatic flushing device is provided on it to flush the drain pipe. At the same time, it has The filter device can filter the liquid again, thereby reducing the particulate matter mixed in the liquid discharged from the drain pipe, and the stirring rod and the stirring rod have buffer devices to prevent damage, and the stirring rod can be used as the main body of the stirring rod When the stirring rod is removed, when the stirring rod is damaged, the stirring rod can still be used, reducing maintenance costs.

The scheme that the present invention solves described technical problem is:

An improved thickener, including an outer cylinder and a guide cylinder, an end cover is fixed on the upper part of the outer cylinder, a support seat is fixed on the end cover, a reduction motor is fixed on the support seat, and the output shaft of the reduction motor The stirring rod is fixed through the coupling, the stirring rod passes through the end cover and extends into the guide tube in the outer cylinder, the feeding tube is fixed on the end cover, the lower end of the feeding tube passes through the end cover and is inserted into the guide tube In the barrel, an exhaust pipe is also connected to the end cover;

The guide tube is inserted into the outer cylinder and fixed on the inner wall of the outer cylinder through the support rod. The bottom side wall of the guide tube is formed with an extension extending radially outward, and the extension is fixed on the inner wall of the outer cylinder. An external elutriation area and an internal elutriation area are formed between the outer cylinder body and the guide cylinder, and the middle side wall of the outer cylinder body is connected with a clean discharge pipe, which is connected with the external elutriation area, and the outer cylinder body The upper side wall is connected with an overflow pipe;

The inner wall of the guide cylinder is fixed with a limit ring, the filter cartridge is inserted into the guide cylinder, the lower end surface of the filter cartridge is pressed against the limit ring, the top of the filter cartridge is fixed with a filter device, and the top compression ring is inserted into the The guide tube is fixedly connected to the inner wall of the guide tube by bolts, and the top compression ring presses against the top surface of the filter device.

As a preference for the above technical solution, the upper end of the end cover is connected with two window holes, and a window mirror is fixed on the window hole; the lower end of the outer cylinder is a tapered part, and the lower end of the In the material part, the lower end of the material collecting part is formed with a recoil port, and the side wall of the material collecting part has a discharge port.

As a preference for the above technical solution, the filter cartridge includes a frustum-shaped cylinder made of a porous plate, a top filter plate made of a porous plate is welded and fixed on the top outer wall of the frustum-shaped cylinder, and the frustum-shaped cylinder is The bottom outer wall has a bottom filter plate made of a porous plate, the first filter plate and the second filter plate are welded and fixed on the middle outer wall of the frustum-shaped cylinder, the bottom filter plate is pressed against the limit ring, the top filter plate, the bottom The outer walls of the filter plate, the first filter plate and the second filter plate are all in close contact with the inner wall of the guide tube.

As a preference of the above technical solution, the cavity between the first filter plate and the second filter plate is filled with a mesh filter block formed by stacking multiple layers of mesh plates.

As a preferred technical solution, the filter device includes an annular porous bottom plate, the annular porous bottom plate has a main annular groove, the main annular groove is filled with gravel, the porous cover plate is fixed on the annular porous bottom plate, and the top pressure ring is pressed against on the perforated cover.

As a preference of the above technical solution, the side wall of the exhaust pipe is connected with an inflatable tube, the upper end of the inflatable tube is connected with the exhaust end of the air pump, the air pump is fixed on the connecting plate fixed on the outer wall of the outer cylinder, and the inflatable tube The air outlet is facing the outlet of the exhaust pipe.

As a preference of the above technical solution, the stirring rod includes an upper rod body and a lower rod body, the lower end of the lower rod body is screwed with a main connecting sleeve, the lower end of the main connecting sleeve is screwed with a main connecting part, and the main connecting part has a stepped hole. The side wall of the upper end of the rod has a radial extension, the radial extension and the top of the telescopic rod are inserted into the stepped hole of the main connection part, the lower end of the telescopic rod protrudes from the main connection part, and the buffer spring is inserted into the main connection sleeve Among them, the upper end of the buffer spring focuses on the lower end of the lower rod body, and its lower end focuses on the upper end surface of the telescopic rod. There are at least two upper transverse rods extending radially outward on the outer wall of the lower end surface of the upper rod body. The rods are respectively located on the left and right sides of the upper rod body, and the outer side wall of the upper end surface of the lower rod body has a lower lateral rod corresponding to the upper lateral rod, and the lateral support rods are fixed between the corresponding upper lateral rod and the lower lateral rod , the middle part of the lower rod body has an insertion part extending vertically upwards, the lower end surface of the upper rod body has a socket, the socket part is inserted into the socket, and there are multiple screw holes on the inner wall of the socket, and the ball stud The plug is screwed in the threaded hole, the steel ball of the ball plunger protrudes from the threaded hole and inserted into the corresponding concave hole on the outer wall of the socket, and the end of the transverse support rod is fixed with a stirring rod.

As a preference of the above technical solution, the outer end of the transverse support rod has an axial screw hole, the upper end of the stirring rod is screwed into the axial screw hole, and the lower end of the stirring rod has an inwardly bent portion.

As a preference of the above technical solution, the stirring rod includes a vertical rod, the vertical rod is screwed in the axial screw hole, and the top end of the vertical rod is screwed with two lock nuts, and the two lock nuts are pressed against each other. , the lower end of the vertical rod is screwed with a connecting sleeve, the lower end of the connecting sleeve is screwed with a connecting part, the connecting part has a stepped hole, the upper part of the bending part is a vertical part, and the upper part of the vertical part has a radially extending edge, The vertical part is inserted into the stepped hole provided on the connecting part, the spring is inserted into the connecting sleeve, the upper end of the spring focuses on the lower end of the vertical rod, and the lower end of the spring focuses on the top of the vertical part.

As a preference of the above technical solution, the upper part of the transverse support bar has an upper concave hole, the lower part of the transverse support bar has a lower concave hole, the bottom surface of the upper transverse bar has an upper protrusion, and the top surface of the lower transverse bar has a lower protrusion, The upper protrusion is inserted into the upper concave hole, the lower protrusion is inserted into the lower concave hole, and the transverse support bar is clamped between the upper transverse bar and the lower transverse bar.

The beneficial effects of the present invention are: compared with the prior art, it has a compact structure and a small volume, and an automatic flushing device is provided on it to flush the drain pipe, and at the same time, the filtering device on it can flush the liquid Filter again to reduce the particulate matter mixed in the liquid discharged from the drain pipe, while the stirring rod and the stirring rod have buffer devices to prevent damage. The stirring rod can be removed from the stirring rod as the main body of the stirring rod, so that the stirring rod is damaged , the stirring rod can still be used, reducing maintenance costs.

Description of drawings:

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a partial structure schematic diagram of the present invention;

Fig. 3 is a partially enlarged view of another part of Fig. 1;

Fig. 4 is the structural representation of stirring bar part of the present invention;

Fig. 5 is a partial enlarged view of Fig. 4;

Fig. 6 is a partial structural schematic diagram of the tank body of the present invention.

Detailed ways:

Embodiment, see as shown in Fig. 1 to 6, a kind of improved thickener, comprises outer cylinder body 10 and guide cylinder 20, and the upper part of described outer cylinder body 10 is fixed with end cap 1, and end cap 1 is fixed on There is a support base 7, on which a deceleration motor 8 is fixed, the output shaft of the deceleration motor 8 is fixed with a stirring rod 100 through a coupling, and the stirring rod 100 passes through the end cover 1 and extends into the diversion of the outer cylinder 10 In the barrel 20, the end cap 1 is fixed with a feed pipe 11, the lower end of the feed pipe 11 passes through the end cap 1 and is inserted into the guide tube 20, and the end cap 1 is also connected with an exhaust pipe 13;

The guide cylinder 20 is inserted into the outer cylinder 10 and fixed on the inner wall of the outer cylinder 10 by the support rod 21. The bottom side wall of the guide cylinder 20 is formed with an extension 22 extending radially outward. The extension 22 It is fixed on the inner side wall of the outer cylinder 10 so that an outer elutriation area 30 and an inner elutriation area 40 are formed between the outer cylinder 10 and the guide cylinder 20, and the middle side wall of the outer cylinder 10 is connected with a cleaning pipe 5 , the drain pipe 5 communicates with the external elutriation area 30, and the upper side wall of the outer cylinder 10 is connected with an overflow pipe 6;

The inner wall of the guide cylinder 20 is fixed with a limit ring 2, the filter cartridge 3 is inserted into the guide cylinder 20, the lower end surface of the filter cartridge 3 is pressed against the limit ring 2, and the top of the filter cartridge 3 is fixed with a filter device 31, the top compression ring 32 is inserted into the guide tube 20 and fixedly connected to the inner wall of the guide tube 20 by bolts, and the top compression ring 32 is pressed against the top surface of the filter device 31 .

Further speaking, the lower end of the outer cylinder 10 is a tapered portion 50, the lower end of the tapered portion 50 is connected with a collecting portion 60, and the lower end of the collecting portion 60 is formed with a recoil port 70, and the collecting portion 60 The side wall has an outlet opening 80 .

Further speaking, the upper end of the end cover 1 is connected with two window holes 12 , and a window mirror is fixed on the window holes 12 .

Further, the filter cartridge 3 includes a frustum-shaped cylindrical body 301 made of a porous plate, and a top filter plate 302 made of a porous plate is welded and fixed on the top outer wall of the frustum-shaped cylindrical body 301, and the frustum-shaped cylindrical body The bottom outer wall of 301 has a bottom filter plate 303 made of a porous plate, the first filter plate 304 and the second filter plate 305 are welded and fixed on the middle outer wall of the conical cylinder 301, and the bottom filter plate 303 is pressed against the limit ring 2, the outer walls of the top filter plate 302, the bottom filter plate 303, the first filter plate 304, and the second filter plate 305 are all in close contact with the inner wall of the guide tube 20.

Further speaking, the cavity between the first filter plate 304 and the second filter plate 305 is filled with a mesh filter block 306 formed by stacking multiple layers of mesh plates.

Further, the filter device 31 includes an annular porous bottom plate 311, the annular porous bottom plate 311 has a main annular groove 312, the main annular groove 312 is filled with gravel 313, the porous cover plate 314 is fixed on the annular porous bottom plate 311, the top The pressing ring 32 is pressed against the perforated cover plate 314 .

Further, the side wall of the exhaust pipe 5 is connected with an inflatable pipe 51, the upper end of the inflatable pipe 51 is connected with the exhaust end of the air pump 52, and the air pump 52 is fixed on the connecting plate 101 fixed on the outer wall of the outer cylinder 10. On, the air outlet of the inflation pipe 51 is opposite to the outlet of the exhaust pipe 5 .

Further, the stirring rod 100 includes an upper rod body 42 and a lower rod body 43, the lower end of the lower rod body 43 is screwed with a main connecting sleeve 44, and the lower end of the main connecting sleeve 44 is screwed with a main connecting part 45, and on the main connecting part 45 There is a stepped hole, the side wall of the upper end of the telescopic rod 46 has a radial extension 461, the radial extension 461 and the top of the telescopic rod 46 are inserted into the stepped hole of the main connecting part 44, and the lower end of the telescopic rod 46 extends out of the main The connecting part 45 and the buffer spring 47 are inserted and sleeved in the main connecting sleeve 44. The upper end of the buffer spring 47 focuses on the lower end of the lower rod body 43, and its lower end focuses on the upper end surface of the telescopic rod 46, and the outer side wall of the lower end surface of the upper rod body 42 There are at least two upper transverse rods 421 extending radially outward, and the two upper transverse rods 421 are located at the left and right sides of the upper rod body 42 respectively, and the upper end surface of the lower rod body 43 has a Corresponding to the lower transverse bar 431, the transverse support bar 41 is fixed between the corresponding upper transverse bar 421 and the lower transverse bar 431. The middle part of the lower bar body 43 has an upward vertically extending insertion part 432, and the lower end surface of the upper bar body 42 There is a socket 422, the socket 432 is inserted into the socket 422, and the inner wall of the socket 422 has a plurality of screw holes 4221, and the ball plunger 4222 is screwed in the screw hole 4221, and the ball plunger The steel ball 4222 protrudes from the threaded hole 4221 and is inserted into the corresponding concave hole 4321 on the outer wall of the insertion part 432 . The end of the transverse support rod 41 is fixed with the stirring rod 412 .

Furthermore, the outer end of the transverse support rod 41 has an axial screw hole 411 , the upper end of the stirring rod 412 is screwed into the axial screw hole 411 , and the lower end of the stirring rod 412 has an inwardly bent portion 413 .

Further, the stirring rod 412 includes a vertical rod 414, the vertical rod 414 is screwed in the axial screw hole 411, the top of the vertical rod 414 is screwed with two locking nuts 419, and the two locking nuts 419 are pressed against each other, the lower end of the vertical rod 414 is screwed with a connecting sleeve 415, the lower end of the connecting sleeve 415 is screwed with a connecting portion 416, the connecting portion 416 has a stepped hole, and the upper part of the bending portion 417 is a vertical portion 4171, The upper part of the vertical part 4171 has a radially extending edge 4172, the vertical part 4171 is inserted into the stepped hole on the connecting part 416, the spring 418 is inserted into the connecting sleeve 415, and the upper end of the spring 418 focuses on the vertical rod 414 The lower end of the spring 418 and the lower end of the spring 418 focus on the top of the vertical part 4171.

Further, the upper part of the transverse support bar 41 has an upper concave hole 48, the lower part of the transverse support bar 41 has a lower concave hole 49, the bottom surface of the upper transverse bar 421 has an upper protrusion 423, and the top surface of the lower transverse bar 431 has a The lower protrusion 433 , the upper protrusion 423 are inserted into the upper concave hole 48 , the lower protrusion 433 is inserted into the lower concave hole 49 , and the lateral support rod 41 is clamped between the upper lateral rod 421 and the lower lateral rod 431 .

At the same time, there is also a radially extending block 200 on the outer wall of the insertion portion 432 of the lower rod body 43 , and a sealing block 300 is nested in the radially extending block 200 , and the sealing block 300 is pressed against the middle bottom end surface of the upper rod body 42 .

Working principle: In this embodiment, the crystal liquid enters the guide tube 20 through the feed pipe in the end cover 1 fixed on the upper part of the outer cylinder 10, and then drives the extension through the deceleration motor 8 provided on the end cover 1. The stirring rod 100 that enters the guide tube 20 rotates, so that the stirring rod 412 on the stirring rod 100 rotates, so that the crystal liquid is stirred evenly, and with the stirring, the solid-liquid with large crystal grains is deposited and enters the collection part 60 , and then discharged from the outlet 80.

And its clarified liquid enters in the external elutriation area 30 by the top of guide tube 20 after the filtration of the product in the crystal liquid that enters through filter cartridge 3 and filter device 31, and the particle that it comes out is discharged by clean pipe 5.

The overflow pipe 6 is equipped with a sight cup, which is convenient for observing the fluid in the pipe. If there are a large number of crystals, it means that there are too many crystals in the draft tube 20 coming out with the water, or the crystal deposition height in the external elutriation area 30 has reached the position of the overflow pipe 6 The small crystals deposited in the external elutriation area 30 must be opened to discharge the small crystals deposited in the external elutriation area 30 for concentrated recrystallization, while the valve of the drain pipe 5 is normally closed, and the clear liquid is discharged by the overflow pipe 6.

And because the clean pipe 5 is easily blocked, the air pump 52 can be opened regularly, so that the inflatable pipe 51 blows the outlet of the clean pipe 5 to clean up, preventing the clean pipe 5 from being blocked.

The spring 418 and buffer spring 47 in the stirring rod 100 have a buffering effect. When there are more crystal solids and liquids at the bottom, when the bottom of the bending part 417 and the telescopic rod 46 have a squeezing effect, the bottom of the bending part 417 can be squeezed. The end and telescoping rod 46 can be retracted upward without damage.

Simultaneously, by turning the lock nut 419 and the vertical rod 414, the stirring rod 412 can be unloaded from the lateral support rod 41, and by pulling the lower rod body 43 downward, the steel of the ball plunger 4222 can When the ball breaks away from the concave hole 4321, the upper rod body 42 and the lower rod body 43 are separated, and the lateral support rod 41 is also separated from it, so that each part can be disassembled, which is convenient for replacing parts and reduces maintenance costs.

Finally, the above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those of ordinary skill in the relevant technical fields can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (10)

1. a modified thickener, comprise outer cylinder body (10) and guide shell (20), it is characterized in that: the top of described outer cylinder body (10) is fixed with end cap (1), end cap (1) is fixed with supporting seat (7), supporting seat (7) is fixed with reducing motor (8), the output shaft of reducing motor (8) is fixed with puddler (100) by shaft coupling, puddler (100) is through end cap (1) and stretch in the guide shell (20) in outer cylinder body (10), end cap (1) is fixed with feed pipe (11), the lower end of feed pipe (11) through end cap (1) and sleeve in guide shell (20), end cap (1) also connects blast pipe (13),

Guide shell (20) sleeve is also fixed on the madial wall of outer cylinder body (10) by support bar (21) in outer cylinder body (10), the bottom sidewall of guide shell (20) forms the extension (22) of outward radial extension, the madial wall that extension (22) is fixed on outer cylinder body (10) makes formed between outer cylinder body (10) and guide shell (20) and outsidely eluriate district (30) and internal scour district (40), the middle part sidewall of outer cylinder body (10) connects emptying pipe (5), emptying pipe (5) is eluriated district (30) with outside and is connected, the upper portion side wall of outer cylinder body (10) has connected overflow pipe (6),

The inwall of described guide shell (20) is fixed with spacing collar (2), cartridge filter (3) sleeve is in guide shell (20), the lower surface of cartridge filter (3) is pressed against on spacing collar (2), the top of cartridge filter (3) is fixed with filter (31), top compacting ring (32) sleeve is in guide shell (20) and be bolted to connection on the madial wall of guide shell (20), and top compacting ring (32) is pressed against on the top end face of filter (31).

2. a kind of modified thickener according to claim 1, is characterized in that: the upper end of described end cap (1) has connected two form holes (12), and (12) are fixed with form mirror in form hole; The lower end of outer cylinder body (10) is tapered portion (50), the lower end of tapered portion (50) has connected the portion of gathering materials (60), the gather materials lower end in portion (60) forms recoil mouth (70), and the sidewall of the portion that gathers materials (60) has discharging opening (80).

3. a kind of modified thickener according to claim 1, it is characterized in that: described cartridge filter (3) comprises the truncated cone-shaped cylindrical shell (301) that many hollow plates are made, the top outer wall of truncated cone-shaped cylindrical shell (301) is welded with the top filtration plate (302) that many hollow plates are made, the bottom outer wall of truncated cone-shaped cylindrical shell (301) has the bottom filter (303) that many hollow plates are made, the middle part outer wall of truncated cone-shaped cylindrical shell (301) is welded with the first filter (304) and the second filter (305), bottom filter (303) is pressed against on spacing collar (2), top filtration plate (302), bottom filter (303), the outer wall of the first filter (304) and the second filter (305) is all close on the madial wall of guide shell (20).

4. a kind of modified thickener according to claim 3, is characterized in that: be filled with the mesh filter block (306) that Multilayer Network orifice plate is stacked in the cavity between described first filter (304) and the second filter (305).

5. a kind of modified thickener according to claim 4, it is characterized in that: described filter (31) comprises annular porous base plate (311), annular porous base plate (311) has main loop groove (312), gravel (313) is filled with in main loop groove (312), Perforated decking (314) is fixed on annular porous base plate (311), and top compacting ring (32) is pressed against on Perforated decking (314).

6. a kind of modified thickener according to claim 5, it is characterized in that: the sidewall of described emptying pipe (5) has connected gas tube (51), the upper end of gas tube (51) connects the exhaust end of air pump (52), on the connecting plate (101) that the outer wall that air pump (52) is fixed on outer cylinder body (10) is fixed with, gas tube (51) outlet side is facing to the outlet of emptying pipe (5).

7. a kind of modified thickener according to claim 6, it is characterized in that: described puddler (100) comprises the top body of rod (42) and the bottom body of rod (43), the lower end of the bottom body of rod (43) is bolted with main adapter sleeve (44), the lower end of main adapter sleeve (44) is bolted with main connecting portion (45), (45) have shoulder hole to main connecting portion, the sidewall of the upper end of expansion link (46) has radial extension (461), the top sleeve of radial extension (461) and expansion link (46) is in the shoulder hole of main connecting portion (44), main connecting portion (45) is stretched out in the lower end of expansion link (46), buffer spring (47) sleeve is in main adapter sleeve (44), the lower end of the bottom body of rod (43) is put forth effort in the upper end of buffer spring (47), the upper surface of expansion link (46) is put forth effort in its lower end, the lateral wall of the lower surface of the top body of rod (42) has the upper transverse bar (421) that at least two outward radials extend, two upper transverse bars (421) are in left side and the right side place of the top body of rod (42) respectively, the lateral wall of the upper surface of the bottom body of rod (43) have the lower transverse bar (431) corresponding with upper transverse bar (421), transverse support bar (41) is fixed between corresponding upper transverse bar (421) and lower transverse bar (431), the middle part of the bottom body of rod (43) has the Plug Division (432) upwards vertically extended, the lower surface of the top body of rod (42) has jack (422), Plug Division (432) sleeve is in jack (422), the madial wall of jack (422) has multiple bolt apertures (4221), bulb plunger (4222) is screwed onto in bolt apertures (4221), the steel ball of bulb plunger (4222) stretches out bolt apertures (4221) and in the shrinkage pool (4321) of correspondence that has on the outer wall of Plug Division (432) of sleeve, the end winding support of transverse support bar (41) has stirring rod (412).

8. a kind of modified thickener according to claim 7, it is characterized in that: the outer end of described transverse support bar (41) has axial screw (411), the upper end of stirring rod (412) is screwed onto in axial screw (411), and the lower end of stirring rod (412) has inside bending part (413).

9. a kind of modified thickener according to claim 8, it is characterized in that: described stirring rod (412) comprises vertical bar (414), vertical bar (414) is screwed onto in axial screw (411), the top of vertical bar (414) is bolted with two locking nuts (419), two locking nuts (419) are pressed against mutually, the lower end of vertical bar (414) is bolted with adapter sleeve (415), the lower end of adapter sleeve (415) is bolted with connecting portion (416), (416) have shoulder hole to connecting portion, the top of bending part (417) is vertical portion (4171), the top of vertical portion (4171) has radial extension edge (4172), in the shoulder hole that vertical portion (4171) sleeve has on connecting portion (416), spring (418) sleeve is in adapter sleeve (415), the lower end of vertical bar (414) is put forth effort in the upper end of spring (418), the top of vertical portion (4171) is put forth effort in the lower end of spring (418).

10. a kind of modified thickener according to claim 9, it is characterized in that: the top of described transverse support bar (41) has upper concave hole (48), the bottom of transverse support bar (41) has lower shrinkage pool (49), the bottom surface of upper transverse bar (421) has projection (423), the end face of lower transverse bar (431) has lower convexity (433), projection (423) sleeve is on upper concave hole (48), lower convexity (433) sleeve is on lower shrinkage pool (49), transverse support bar (41) is clamped between upper transverse bar (421) and lower transverse bar (431).