CN220003018U

CN220003018U - Thickening device

Info

Publication number: CN220003018U
Application number: CN202321277162.0U
Authority: CN
Inventors: 何志强; 江静; 罗德波; 曹远义
Original assignee: Chengdu Longjinsheng New Material Technology Co ltd
Current assignee: Chengdu Longjinsheng New Material Technology Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-14
Anticipated expiration: 2033-05-24

Abstract

The utility model relates to a thickener, a guide cylinder is arranged in a shell, a hollow shaft with the upper end connected with a rotary joint is arranged in the guide cylinder, the rotary joint is connected with an air pump through an air pipe, the lower end of the hollow shaft is fixedly provided with a mounting block provided with a mounting cavity communicated with the inside of the hollow shaft, a stirring cross rod with one end penetrating through a through hole on the mounting cavity and fixed with a mounting plate is movably arranged in the mounting cavity, one side of the mounting plate, which is close to the inner wall of the shell, is provided with a cleaning piece, the end part of the stirring cross rod, which is positioned in the mounting cavity, is fixedly provided with a sealing gasket, the other side of the sealing gasket is provided with a reset elastic piece, the upper end of the hollow shaft is provided with a pressure relief opening, a driven bevel gear is arranged on the hollow shaft and is meshed and connected with a drive bevel gear, the drive bevel gear is fixed with the output end of a speed reducing motor arranged on the top of the shell, the upper end of the shell is provided with a liquid inlet pipe with one end extending into the guide cylinder, and an overflow pipe with one end extending between the guide cylinder and the shell, and the lower end of the shell is provided with a liquid outlet pipe.

Description

Thickening device

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a thickener.

Background

The thickener is also called as thickener and thickener, which mainly separates large particles and small particles from crystal liquid, so that clear liquid is above, and solid liquid with a large amount of crystals is below to be discharged. In the production process of ammonium bicarbonate, in order to reduce the product water content, besides adding the surfactant, the extracted liquid of the carbonization main tower enters a thickener for temporary storage, so that ammonium bicarbonate and ammonium carbonate crystal grains in the extracted liquid are further enlarged, and centrifugal separation is facilitated. The utility model discloses a novel thickener in the chinese patent document of patent publication No. "CN217367231U", through at puddler lower extreme installation puddler and scraping the flitch for it is rotatory to scrape the flitch through first motor drive, thereby can scrape the material to thickener body inner wall and handle, prevent that the material from bonding at thickener body inner wall, the cleaning tube and the high pressure nozzle that the cooperation was equipped with simultaneously can wash the treatment to thickener body inner wall, clean convenient and fast. But adopt this kind of mode, when the thickener during operation, under the drive of first motor, scrape the flitch contact between the thickener body inner wall all the time, with the friction between the thickener body inner wall, after long-time use, not only can lead to the fact wearing and tearing to the thickener body inner wall, still can lead to the fact wearing and tearing to the flitch, after scraping the flitch and using for a long time, wearing and tearing, still can lose the clearance function to thickener body inner wall, reduce the life of scraping the flitch.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the thickener, which can flexibly adjust the scraping plate in the thickener so as to adapt to the cleaning requirement of the scraping plate on the inner wall of the thickener, reduce the abrasion degree of the inner wall of the thickener body, reduce the abrasion of the scraping plate and prolong the service life of the scraping plate.

The utility model provides a thickener for solving the technical problems, which comprises a shell, wherein a guide cylinder fixed with the top of the shell is arranged in the shell, a filter disc with the outer edge being abutted against the inner wall of the shell is sleeved outside the guide cylinder, a hollow shaft with the upper end penetrating out of the top of the shell and connected with a rotary joint is axially arranged in the guide cylinder, the rotary joint is connected with an air pump through an air pipe, a mounting block is fixed at the lower end of the hollow shaft, a mounting cavity communicated with the inside of the hollow shaft is arranged in the mounting block, a stirring cross rod with one end penetrating through a through hole in the mounting cavity and fixed with a mounting plate is movably arranged in the mounting cavity, a cleaning piece is arranged on one side, close to the inner wall of the shell, of the mounting plate, a sealing gasket is fixed at the end of the stirring cross rod, a reset elastic piece is arranged on the other side of the sealing gasket, a pressure relief opening is arranged at the upper end of the hollow shaft, the driven bevel gear is meshed with the driving bevel gear, a mounting block is fixedly arranged at the lower end of the hollow shaft, a speed reducing motor arranged on the top of the shell, a liquid inlet pipe extends from the upper end of the shell to the guide cylinder to the lower end of the shell, and a liquid outlet pipe extends from the upper end of the guide cylinder to the shell.

Further, the stirring cross rod is provided with two groups and is symmetrically arranged along the axis of the hollow shaft, and the reset elastic piece is arranged between the two sealing gaskets.

Further, two stop blocks are arranged on the inner wall of the mounting cavity, are symmetrically arranged along the central axis of the hollow shaft and are positioned between the two sealing gaskets.

Further, the end part of the stirring cross rod, which is positioned in the installation cavity, is fixedly provided with a limiting block, and one side, which is close to the through hole, of the limiting block is provided with a sealing ring.

Further, a water jacket is arranged outside the shell, a water inlet pipe orifice is arranged on the lower side of the water jacket, and a water outlet pipe orifice is arranged on the upper side of the water jacket.

Further, a guide plate is arranged in the water jacket and is spirally arranged.

Further, the shell comprises a straight cylinder section and an inverted cone section positioned at the lower end of the straight cylinder section.

Further, the cleaning piece is a flexible scraping plate and comprises a vertical section and an inclined section, wherein the vertical section is parallel to the surface of the inner wall of the straight section, and the inclined section is parallel to the surface of the inner wall of the inverted cone section.

The utility model has the beneficial effects that the shell is internally provided with the guide cylinder fixed with the top of the shell, and one end of the liquid inlet pipe extends into the guide cylinder, so that the flow track of the extracted liquid after entering the thickener can be changed, and the flow track which is turned back is formed after the extracted liquid falls to the bottom of the shell through the guide cylinder, thereby improving the treatment efficiency of the thickener on the extracted liquid. The shell of the guide cylinder is sleeved with the filter disc, the outer edge of the filter disc is abutted with the shell, when the extracted liquid flows back from the bottom of the shell to the space between the guide cylinder and the shell, the filter disc filters crystals in the extracted liquid, so that the crystal amount in the liquid on the upper layer of the filter disc is reduced, the gold content in clear liquid overflowed from the upper part of the shell is greatly reduced, and the treatment efficiency of the thickener on the extracted liquid is improved. Through the setting of hollow shaft, the installation piece, stirring horizontal pole and mounting panel, clearance piece, can be when need clear up shells inner wall, through the internal air blowing of hollow shaft, can be to the inside pressure boost of installation cavity on the installation piece, promote stirring horizontal pole and stretch out the installation piece and remove to shells inner wall direction, and then drive clearance piece and shells inner wall contact, drive driven bevel gear through gear motor drive and drive driven bevel gear and rotate, and then drive the hollow shaft and rotate, drive the installation piece and rotate, make stirring horizontal pole on the installation piece drive clearance piece circumference rotate, clear up shells inner wall, at this moment, stirring horizontal pole, mounting panel, clearance piece still can stir the drawing liquid in the thickener, can improve the vigilance in the drawing liquid and pile up in the casing bottom, the drain pipe of convenient follow casing lower extreme is discharged; when need not clear up shells inner wall, carry out the pressure release to the installation cavity through the pressure release mouth on the hollow shaft, in the stirring horizontal pole retracted installation cavity under the effect of elastic component that resets, and then make break away from between clearance piece and the shells inner wall, when gear motor drive hollow shaft rotates the drive installation piece and rotate, all contactless between stirring horizontal pole, mounting panel, clearance piece and the shells inner wall has the stirring effect tightly. In summary, the cleaning piece can be adjusted according to the actual situation in the thickener, so that the stirring cross rod extends out of the mounting cavity, the cleaning piece is further contacted with the inner wall of the shell to clean, meanwhile, the extracting solution in the thickener can be stirred, and the treatment efficiency of the thickener on the extracting solution is improved; the stirring cross rod can be retracted into the mounting cavity, so that the cleaning piece is far away from the inner wall of the shell, the cleaning piece is prevented from being contacted with the inner wall of the shell for a long time when the inner wall of the shell is not required to be cleaned, the inner wall of the shell and the cleaning piece are further worn, and the service life of the cleaning piece is prolonged.

The utility model will be further described with reference to the drawings and the specific examples.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is an enlarged detail view of a of fig. 1.

In the accompanying drawings: 100-shell, 101-liquid inlet pipe, 102-overflow pipe, 103-liquid outlet pipe, 104-backflushing port, 105-straight cylinder section, 106-inverted cone section, 200-guide cylinder, 201-filter disc, 300-hollow shaft, 301-rotary joint, 302-air pipe, 303-pressure relief port, 304-driven bevel gear, 400-mounting block, 401-mounting cavity, 402-through hole, 403-stop block, 500-stirring cross bar, 501-mounting plate, 502-cleaning piece, 5021-straight section, 5022-inclined section, 503-sealing gasket, 504-reset elastic piece, 505-stop block, 506-sealing ring, 600-reducing motor, 601-driving bevel gear, 700-water jacket, 701-water inlet pipe orifice, 702-water outlet pipe orifice, 703-guide plate.

Detailed Description

Specific embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, the present utility model provides an embodiment of a thickener.

A thickener comprising a housing 100, wherein the housing 100 comprises a straight barrel section 105 and an inverted cone section 106 at the lower end of the straight barrel section 105. At this time, when the extracted liquid enters the bottom of the shell 100, the extracted liquid can be folded upwards along the inner wall of the inverted cone-shaped end, so that a folded flow track is formed, and the treatment efficiency of the thickener is improved.

The shell 100 is internally provided with a guide cylinder 200 fixed with the top of the shell 100, the upper end of the shell 100 is provided with a liquid inlet pipe 101, one end of which extends to the guide cylinder 200, and an overflow pipe 102, one end of which extends to the space between the guide cylinder 200 and the shell 100, the lower end of the shell 100 is provided with a liquid outlet pipe 103, the liquid outlet pipe 103 is provided with a back flushing port 104, and the back flushing port 104 arranged on the liquid outlet pipe 103 is used for placing the blockage of the liquid outlet pipe 103. The way can change the flow track of the extracting solution after entering the thickener, the extracting solution enters the guide cylinder 200 through the liquid inlet pipe 101, and the returning flow track is formed after the extracting solution falls to the bottom of the shell 100 in the guide cylinder 200, so that the processing efficiency of the thickener on the extracting solution is improved.

The outer edge of the guide cylinder 200 is sleeved with a filter disc 201 which is abutted with the inner wall of the shell 100, when the extracted liquid flows back from the bottom of the shell 100 to the space between the guide cylinder 200 and the shell 100, the filter disc 201 filters crystals in the extracted liquid, so that the crystal amount in the liquid on the upper layer of the filter disc 201 is reduced, the crystal content in clear liquid overflowed from the upper side of the shell 100 is greatly reduced, the clear liquid overflows from the overflow pipe 102, solid and liquid containing a large amount of crystals flows out from the liquid outlet pipe 103 below, and the treatment efficiency of the thickener on the extracted liquid is improved.

The guide cylinder 200 is axially provided with a hollow shaft 300, the upper end of the hollow shaft penetrates out of the top of the shell 100 and is connected with a rotary joint 301, the rotary joint 301 is connected with an air pump through an air pipe 302, and air is blown into the hollow shaft 300 through the air pump.

The lower extreme of hollow shaft 300 is fixed with installation piece 400, for reducing the blocking effect of installation piece 400 to the extracting solution, installation piece 400 sets up to rectangular shape, be provided with in the installation piece 400 with the installation cavity 401 of hollow shaft 300 inside intercommunication, the installation cavity 401 internal activity is provided with one end and passes through the through-hole 402 on the installation cavity 401 and the fixed stirring horizontal pole 500 of mounting panel 501, stirring horizontal pole 500 is located the tip of installation cavity 401 is fixed with sealed pad 503, the opposite side of sealed pad 503 is equipped with the elastic component that resets 504, one side that the mounting panel 501 is close to the casing 100 inner wall is equipped with clearance piece 502, at this moment, when blowing air to hollow shaft 300 through the air pump, the air current gets into in the installation cavity 401 of installation piece 400 through hollow shaft 300, pressurizes the inside of installation cavity 401, promotes stirring horizontal pole 500 to the installation cavity 401 outside and removes, and then makes stirring horizontal pole 500 drive the mounting panel 501 of tip to be close to the direction of casing 100 inner wall, and the clearance piece 502 and casing 100 inner wall contact on the mounting panel 501 and clear up the casing 100 inner wall.

Specifically, the cleaning member 502 is a flexible scraper and includes a vertical section 5021 and an inclined section 5022, the vertical section 5021 is disposed parallel to a surface of the inner wall of the straight barrel section 105, and the inclined section 5022 is disposed parallel to a surface of the inner wall of the inverted cone section. At this time, the flexible scraper can be adapted to the inner wall of the housing 100, and the inner wall of the housing 100 can be cleaned better.

Further, a stopper 505 is fixed at the end of the stirring rail 500 located in the installation cavity 401, and a sealing ring 506 is provided at one side of the stopper 505 near the through hole 402. Through the setting of sealing washer 506, improve the sealing performance of installation cavity 401, guarantee that this structure can be stable, guarantee that stirring horizontal pole 500 and installation cavity 401 between can normally stretch out and draw back.

Preferably, the stirring rail 500 is provided with two groups and symmetrically arranged along the axis of the hollow shaft 300, and the reset elastic member 504 is arranged between the two sealing gaskets 503. At this time, the two groups of stirring crossbars 500 are symmetrically arranged, so that the structural stability of the mounting block 400 can be improved, and the phenomenon of unbalanced load when the hollow shaft 300 drives the mounting block 400 to rotate is avoided, and the stirring crossbars 500, the mounting plate 501 and the like strike the inner wall of the shell 100, so that the shell 100 is damaged.

Further, two stoppers 403 are disposed on the inner wall of the mounting cavity 401, and the two stoppers 403 are symmetrically disposed along the central axis of the hollow shaft 300 and located between the two sealing gaskets 503. At this time, the two stoppers 403 limit the position of the stirring bar 500 retracted into the mounting cavity 401, so that the two sealing pads 503 are always located at two sides of the hollow shaft 300, so as to avoid the excessive travel difference of the two stirring bars 500 in the mounting cavity 401, and the sealing pad 503 on one stirring bar 500 passes over the central axis of the hollow shaft 300, so that when the air is blown into the hollow shaft 300, the two stirring bars 500 cannot be moved in a direction away from the central axis of the hollow shaft 300.

The upper end of the hollow shaft 300 is provided with a pressure relief opening 303, when the inner wall of the shell 100 is not required to be cleaned, the pressure in the hollow shaft 300 is discharged through the pressure relief opening 303 on the hollow shaft 300, at this time, the stirring cross rod 500 is partially retracted into the mounting cavity 401 under the action of the reset elastic piece 504, and then a clearance is reserved between the cleaning piece 502 on the mounting plate 501 and the inner wall of the shell 100.

The hollow shaft 300 is provided with a driven bevel gear 304, the driven bevel gear 304 is meshed with a driving bevel gear 601, the driving bevel gear 601 is fixed with the output end of a gear motor 600 arranged on the top of the shell 100, the gear motor 600 drives the driving bevel gear 601 to rotate so as to drive the driven bevel gear 304 to rotate, the driven bevel gear 304 drives the hollow shaft 300 to rotate, and then drives a mounting block 400 at the lower end of the hollow shaft 300 to rotate, so that a stirring cross rod 500, a mounting plate 501 and a cleaning piece 502 on the mounting block 400 rotate circumferentially, the liquid taken out from the shell 100 is cleaned and/or stirred, and the treatment efficiency of the thickener is improved.

Wherein, the outside of the shell 100 is provided with a water jacket 700, the lower side of the water jacket 700 is provided with a water inlet pipe orifice 701, and the upper side is provided with a water outlet pipe orifice 702. The water inlet pipe may be connected by a water pump, and cooled upward from the lower end of the housing 100 by pumping, for example, cooling water, to improve the treatment efficiency of the thickener. Further, a deflector 703 is disposed in the water jacket 700, and the deflector 703 is spirally disposed. At this time, the water flow moves upwards along the spiral direction of the deflector 703 and can pass through the outside of the whole shell 100 until being discharged from the water outlet 702, so that the cooling water can be fully heat exchanged with the liquid taken out of the shell 100, the cooling efficiency of the water jacket 700 to the inside of the shell 100 is improved, and the treatment efficiency of the thickener is further improved.

By adopting the utility model, the cleaning piece 502 can be regulated according to the actual situation in the thickener, so that the stirring cross rod 500 extends out of the installation cavity 401, the cleaning piece 502 is contacted with the inner wall of the shell 100 for cleaning, and meanwhile, the extracted liquid in the thickener can be stirred, so that the treatment efficiency of the thickener on the extracted liquid is improved; the stirring rod 500 can be retracted into the mounting cavity 401, so that the cleaning member 502 is far away from the inner wall of the shell 100, and the cleaning member 502 is prevented from contacting with the inner wall of the shell 100 for a long time when cleaning of the inner wall of the shell 100 is not needed, so that the inner wall of the shell 100 and the cleaning member 502 are worn, and the service life of the cleaning member 502 is prolonged.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A thickener is characterized in that,

comprises a shell (100), a guide cylinder (200) fixed with the top of the shell (100) is arranged in the shell (100),

the guide cylinder (200) is sleeved with a filter disc (201) with the outer edge abutting against the inner wall of the shell (100),

a hollow shaft (300) with the upper end penetrating out of the top of the shell (100) and connected with a rotary joint (301) is axially arranged in the guide cylinder (200), the rotary joint (301) is connected with an air pump through an air pipe (302),

the lower end of the hollow shaft (300) is fixedly provided with a mounting block (400), a mounting cavity (401) communicated with the inside of the hollow shaft (300) is arranged in the mounting block (400), a stirring cross rod (500) with one end penetrating through a through hole (402) in the mounting cavity (401) and fixed with a mounting plate (501) is movably arranged in the mounting cavity (401), one side, close to the inner wall of the shell (100), of the mounting plate (501) is provided with a cleaning piece (502), the end, located in the mounting cavity (401), of the stirring cross rod (500) is fixedly provided with a sealing gasket (503), the other side of the sealing gasket (503) is provided with a reset elastic piece (504), the upper end of the hollow shaft (300) is provided with a pressure relief opening (303),

a driven bevel gear (304) is arranged on the hollow shaft (300), the driven bevel gear (304) is meshed with a driving bevel gear (601), the driving bevel gear (601) is fixed with the output end of a speed reduction motor (600) arranged on the top of the shell (100),

the upper end of the shell (100) is provided with a liquid inlet pipe (101) with one end extending into the guide cylinder (200), and an overflow pipe (102) with one end extending into the guide cylinder (200) and between the shell (100), the lower end of the shell (100) is provided with a liquid outlet pipe (103), and the liquid outlet pipe (103) is provided with a backflushing port (104).

2. The thickener according to claim 1, wherein the stirring rail (500) is provided with two sets and symmetrically arranged along the axis of the hollow shaft (300), and the return elastic member (504) is arranged between the two sealing gaskets (503).

3. The thickener according to claim 2, wherein two stoppers (403) are provided on the inner wall of the installation cavity (401), the two stoppers (403) being symmetrically arranged along the central axis of the hollow shaft (300) and being located between the two sealing gaskets (503).

4. The thickener according to claim 1, wherein a stopper (505) is fixed at the end of the stirring rail (500) located in the installation cavity (401), and a sealing ring (506) is arranged at one side of the stopper (505) close to the through hole (402).

5. The thickener according to claim 1, wherein a water jacket (700) is arranged outside the housing (100), a water inlet pipe orifice (701) is arranged at the lower side of the water jacket (700), and a water outlet pipe orifice (702) is arranged at the upper side.

6. The thickener according to claim 5, wherein a deflector (703) is arranged in the water jacket (700), the deflector (703) being arranged in a spiral.

7. The thickener according to claim 1, wherein the housing (100) comprises a straight barrel section (105) and an inverted cone section (106) at a lower end of the straight barrel section (105).

8. The thickener according to claim 7, wherein the cleaning member (502) is a flexible scraper and comprises a vertical section (5021) and an inclined section (5022), the vertical section (5021) is arranged in parallel with the surface of the inner wall of the straight tube section (105), and the inclined section (5022) is arranged in parallel with the surface of the inner wall of the inverted cone section (106).