CN210251297U

CN210251297U - Ammonium sulfate pre-thickener

Info

Publication number: CN210251297U
Application number: CN201920830521.8U
Authority: CN
Inventors: 陈国良
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-07
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses an ammonium sulfate pre-thickener, which comprises a tank body, wherein the tank body is sequentially composed of an upper barrel, a lower barrel and a conical head from top to bottom; the top of the upper cylinder body is provided with a slurry inlet, a vent and at least one hand hole, and the slurry inlet is connected with a first pipeline positioned in the upper cylinder body; an adjusting device is also arranged in the upper cylinder, one end of the adjusting device penetrates through the cover plate and is fixed on the cover plate, and the other end of the adjusting device is fixedly connected to a first supporting plate which is positioned in the upper cylinder and is connected with the inner wall of the upper cylinder; an asphaltene discharge port is arranged above the first supporting plate, and an overflow port is arranged below the first supporting plate; the lower cylinder is provided with a first back-flushing inlet and a slurry outlet, the slurry outlet is arranged below the first back-flushing inlet, and at least one sieve plate is arranged below the slurry outlet; the bottom of the conical seal head is provided with a discharge hole, a second backflushing material inlet and a discharge hole.

Description

Ammonium sulfate pre-thickener

Technical Field

The utility model relates to a chemical industry equipment technical field, concretely relates to ammonium sulfate is thick ware in advance.

Background

Methyl methacrylate is an organic compound, also known as MMA, abbreviated as methylmethacrylate. Is an important chemical raw material and a monomer for producing transparent plastic polymethacrylamide sulfate. Is flammable, has a strong pungent odor, has moderate toxicity, reproductive toxicity and teratogenic effects, and should be avoided from long-term contact. The composite material is used for manufacturing organic glass, paint, lubricating oil additive, plastic, adhesive, resin, wood impregnating compound, motor coil penetrating agent, ion exchange resin, paper glazing agent, textile printing and dyeing auxiliary agent, leather treating agent, printing and dyeing auxiliary agent, insulating perfusion material and the like.

The thiamine pre-thickener is an important component of a thiamine crystallization device, is a feeding pretreatment device for thiamine centrifugal separation, and is mainly used for countercurrent contact of thiamine slurry from a thiamine crystallizer and an elutriation liquid, amide oil carried by the thiamine slurry is separated after being washed, meanwhile, the thiamine slurry naturally settles and thickens, the crystal concentration of the feeding material of a centrifugal machine is improved, and redundant thiamine mother liquor overflows and returns to a mother liquor tank after being separated from the amide oil. The interfacial position of the pre-thickener lactam oil and the mother liquor is controlled by the height of the amide oil overflow baffle.

In chinese patent document 201320601353.8, an ammonium sulfate pre-thickener includes an upper cylinder and a lower cylinder, and the diameter of the upper cylinder is larger than that of the lower cylinder. The thickener is provided with two magma feeding pipes, a purging steam pipe, an amide oil outlet, a mother liquor outlet, a thickened slurry outlet and an elutriation liquid inlet, and the amide oil outlet is provided with an overflow baffle. The amide oil outlet is connected with the amide oil separation equipment through an overflow pipeline, and the mother liquor outlet is connected with the mother liquor tank through a mother liquor pipeline. The outlet of the steam purging pipe is positioned at the mother liquor outlet, and the overflow pipeline is provided with a viewing mirror and a back flush pipeline. The height h from the mother liquor outlet to the upper edge of the overflow baffle is 1150-1200 mm, and the overflow baffle is of a sawtooth structure.

Therefore, it is necessary to develop an ammonium sulfate pre-thickener which has controllable operation, stable operation and high separation efficiency and can avoid blockage and scab.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an operation is controllable, and the operation is stable and can reduce centrifuge's load and the ammonium sulfate of energy consumption ware in advance.

In order to solve the technical problem, the technical scheme adopted by the utility model is that the ammonium sulfate pre-thickener comprises a tank body, wherein the tank body is sequentially composed of an upper barrel, a lower barrel and a conical end socket from top to bottom, the top of the upper barrel is sealed by a cover plate, and the upper barrel is connected with the lower barrel in a sealing way by a flange; the top of the upper barrel is provided with a slurry inlet, a vent and at least one hand hole, and the slurry inlet is connected with a first pipeline positioned in the upper barrel; an adjusting device is further arranged in the upper barrel, one end of the adjusting device penetrates through the cover plate and is fixed on the cover plate, and the other end of the adjusting device is fixedly connected to a first supporting plate which is positioned in the upper barrel and is connected with the inner wall of the upper barrel; an asphaltene discharge port is arranged above the first supporting plate, and an overflow port is arranged below the first supporting plate; the lower cylinder is provided with a first back-flushing inlet and a slurry outlet, the slurry outlet is arranged below the first back-flushing inlet, and at least one sieve plate is arranged below the slurry outlet; and a discharge hole, a second backflushing material inlet and a water discharge hole are formed in the bottom of the conical sealing head. In the technical scheme, the slurry inlet is used for feeding, the slurry is discharged through the slurry outlet, the material is discharged through the discharge hole, the material enters through the slurry inlet at the top, passes through the upper cylinder and the lower cylinder and is discharged through the discharge hole of the conical seal head; the upper barrel and the lower barrel are internally provided with a first flushing port and a second flushing port which can flush slurry, and are also provided with a first backflushing material inlet and a second backflushing material inlet, the slurry is discharged through a slurry outlet, the material is discharged through a discharging port after passing through a sieve plate, and the material is flushed in time through the first flushing port and the second flushing port, so that the problem that a slurry pipeline is easy to block is solved, the continuous production operation is ensured, and the ammonium sulfate pre-thickener has controllable operation and stable operation; wherein the adjusting device is used for adjusting the height of the asphaltene liquid level.

Preferably, the discharge hole is located in the middle of the bottom of the conical seal head and penetrates through the conical seal head through a third pipeline to be connected with the sieve plate located in the lower barrel, the discharge hole and the second backflushing material inlet are located on two sides of the discharge hole respectively, and a third flushing hole is formed in the position, close to the second backflushing material inlet, of the rear end of the second backflushing material inlet.

Preferably, the first back flushing port is connected with a second pipeline positioned in the lower cylinder.

Preferably, a first hand hole and a second hand hole are formed in the top of the upper cylinder body, the second hand hole is formed in the vent, and the first hand hole is formed in one side of the vent; and a third hand hole is formed above the sieve plate in the lower cylinder body.

Preferably, this ammonium sulfate is thickener in advance still includes the ear seat, the ear seat sets up go up the barrel or on the barrel down, the cross section of ear seat is right trapezoid, be equipped with the static earth plate on the ear seat.

Preferably, the upper barrel is further provided with a first flushing port, a first densimeter port is arranged below the first flushing port, the lower barrel is further provided with a second flushing port, and a second densimeter port is arranged below the second flushing port; the first flushing port is provided with a first bent pipe in the upper cylinder, the inlet of the first bent pipe is connected with the first flushing port, and the outlet of the first bent pipe is aligned with the first densimeter port; the second flushing port is arranged in the lower barrel, a second bent pipe is arranged in the lower barrel, an inlet of the second bent pipe is connected with the second flushing port, and an outlet of the second bent pipe is aligned to the second densimeter port.

Preferably, a fourth flushing port is arranged above the first back flushing port.

Preferably, a second supporting plate is arranged below the sieve plate and used for connecting the sieve plate with the inner wall of the lower barrel.

Preferably, a standby port is further formed in the lower cylinder. The standby port can be arranged to replace a port with a temporary problem in the production process, so that the production continuity is ensured, and the equipment is overhauled after the production is finished.

Preferably, the cover plate is further provided with a reinforcing angle steel. The strength of the cover plate and the sealing performance of the cover plate and the upper cylinder body can be improved by the reinforcing angle steel.

Preferably, the first hand hole, the second hand hole, the third hand hole, the overflow port and the slurry outlet are all provided with reinforcing rings.

Preferably, the first flushing port, the second flushing port, the third flushing port, the fourth flushing port and the water discharge port are all provided with rib plates.

Preferably, the ear seat comprises an upper cover plate, a base plate, a rib plate and a bottom plate, the base plate is tightly attached to the outer side of the barrel, the rib plate is arranged on the outer side of the base plate, the upper cover plate is arranged at the upper end of the rib plate and connected with the base plate, and the bottom plate is arranged at the lower end of the rib plate and connected with the base plate.

Drawings

The following is a more detailed description of embodiments of the present invention with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the ammonium sulfate pre-thickener of the present invention;

figure 2 is a schematic structural view of the screen panel of figure 1;

FIG. 3 is a schematic cross-sectional view at C-C of FIG. 1;

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

FIG. 5 is an enlarged view of a portion of FIG. 1 at B;

wherein: 1-upper cylinder body; 2-lower cylinder body; 3-conical end enclosure; 4-cover plate; 5-a flange; 6-slurry inlet; 7-a vent; 8-a first conduit; 9-adjusting means; 901-connecting rods; 10-a first support plate; 11-asphaltene discharge; 12-an overflow port; 13-a first backflush inlet; 14-slurry outlet; 15-sieve plate; 16-discharging port; 17-a second backflush inlet; 18-a water outlet; 19-a third conduit; 20-a third flushing port; 21-a second conduit; 22-first hand hole; 23-second hand hole; 24-third hand hole; 25-ear mount; 26-an electrostatic earth plate; 27-a first flushing port; 28-a first densitometer port; 29-a second flushing port; 30-a second densitometer port; 31-a first bend; 32-a second bend; 33-a fourth flushing port; 34-a second support plate; 35-spare port.

Detailed Description

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

As shown in fig. 1 to 5, the ammonium sulfate pre-thickener of the present invention comprises a tank body, the tank body is sequentially composed of an upper cylinder 1, a lower cylinder 2 and a conical head 3 from top to bottom, the top of the upper cylinder 1 is sealed by a cover plate 4, and the upper cylinder 1 and the lower cylinder 2 are hermetically connected by a flange 5; the top of the upper cylinder body 1 is provided with a slurry inlet 6, a vent 7 and at least one hand hole, and the slurry inlet 6 is connected with a first pipeline 8 positioned in the upper cylinder body 1; an adjusting device 9 is further arranged in the upper cylinder 1, one end of the adjusting device 9 penetrates through the cover plate 4 through a connecting rod 901 and is fixed on the cover plate 4, and the other end of the adjusting device 9 is fixedly connected to a first supporting plate 10 which is positioned in the upper cylinder 1 and is connected with the inner wall of the upper cylinder 1; an asphaltene discharge port 11 is arranged above the first support plate 10, and an overflow port 12 is arranged below the first support plate 10; the lower cylinder body 2 is provided with a first backflushing material inlet 13 and a slurry outlet 14, the slurry outlet 14 is arranged below the first backflushing material inlet 13, and a sieve plate 15 is arranged below the slurry outlet 14; the bottom of the conical end enclosure 3 is provided with a discharge hole 16, a second backflushing material inlet 17 and a discharge hole 18; the discharge hole 16 is positioned in the middle of the bottom of the conical seal head 3, the discharge hole 16 penetrates through the conical seal head 3 through a third pipeline 19 to be connected with a sieve plate 15 positioned in the lower cylinder 2, the discharge hole 18 and the second backflushing material inlet 17 are respectively positioned on two sides of the discharge hole 18, and a third flushing hole 20 is arranged at the position, close to the second backflushing material inlet 17, of the rear end of the second backflushing material inlet 17; the first back flushing port 13 is connected with a second pipeline 21 positioned in the lower cylinder 2; a first hand hole 22 and a second hand hole 23 are formed in the top of the upper barrel 1, the second hand hole 23 is formed in the vent 7, and the first hand hole 22 is formed in one side of the vent 7; a third hand hole 24 is formed in the lower cylinder body 2 above the sieve plate 15; the ammonium sulfate pre-thickener also comprises an ear seat 25, wherein the ear seat 25 is arranged on the lower cylinder body 2, the cross section of the ear seat 25 is in a right-angled trapezoid shape, and an electrostatic grounding plate 26 is arranged on the ear seat 25; the lug seat 25 comprises an upper cover plate, a base plate, side rib plates and a bottom plate, wherein the base plate is tightly attached to the outer side of the barrel, the side rib plates are arranged on the outer side of the base plate, the upper cover plate is arranged at the upper ends of the side rib plates and is connected with the base plate, and the bottom plate is arranged at the lower ends of the side rib plates and is connected with the base plate; the upper barrel body 1 is also provided with a first flushing port 27, a first densimeter port 28 is arranged below the first flushing port 27, the lower barrel body 2 is also provided with a second flushing port 29, and a second densimeter port 30 is arranged below the second flushing port 29; the first flushing port 27 is provided with a first elbow pipe 31 in the upper cylinder 1, an inlet of the first elbow pipe 31 is connected with the first flushing port 27, and a central position of an outlet of the first elbow pipe 27 and a central position of the first densimeter port 28 are on the same horizontal plane; the second flushing port 29 is provided with a second elbow pipe 32 in the lower cylinder 2, the inlet of the second elbow pipe 32 is connected with the second flushing port 29, and the central position of the outlet of the second elbow pipe 32 and the central position of the second densimeter port 30 are on the same horizontal plane; a fourth flushing port 33 is arranged above the first back flushing port 13; a second supporting plate 34 is arranged below the sieve plate 15 and used for connecting the sieve plate 15 with the inner wall of the lower barrel 2; the lower cylinder body 2 is also provided with a standby port 35; the spare port 35 is provided with a flange cover, and when the device is used, the flange cover is opened; the cover plate 4 is also provided with a reinforcing angle steel; reinforcing rings are arranged on the first hand hole 22, the second hand hole 23, the third hand hole 24, the overflow port 12 and the slurry outlet 14; rib plates are arranged on the first flushing port 27, the second flushing port 29, the third flushing port 20, the fourth flushing port 33 and the water outlet 18; the angle between the slurry outlet 14 and the lower cylinder 3 is inclined downwards by 45 degrees; the longitudinal section of the conical end enclosure 3 is a right-angled triangle; a plurality of sieve holes 1501 are uniformly distributed on the sieve plate 15, and the sieve holes 1501 are annularly distributed.

The specific use method comprises the following steps: the slurry of the ammonium sulfate crystallization reactor is conveyed to a slurry inlet 6 by a pump, the particle size of ammonium sulfate crystal particles is increased in the downward sedimentation process, organic matter asphaltene contained in the slurry is upwards gathered, the asphaltene passing through an adjusting device 9 is discharged from an asphaltene discharge outlet 11 to the ammonium sulfate pre-thickener, meanwhile, the slurry conveyed by the pump enters a first backflush material inlet 13 after being externally metered, backflush materials flow upwards and screen ammonium sulfate crystal particles, the ammonium sulfate slurry containing small particles is discharged from an overflow port 12 to the ammonium sulfate pre-thickener, the slurry containing large particles flows out from a slurry outlet 14 to enter a centrifuge to separate the ammonium sulfate particles, in order to prevent the ammonium sulfate particles from being downwards deposited, the slurry conveyed by the pump enters a second backflush material inlet 17 to upwards impact a sieve plate 15 after being externally metered, the slurry in the ammonium sulfate pre-thickener is discharged from a discharge port 16 when the ammonium sulfate pre-thickener stops, water is fed from a water discharge port 18 to flush the ammonium sulfate pre-thickener, and wastewater is discharged from the, the density of the slurry in the ammonium sulfate pre-thickener is detected and controlled by a densimeter which is arranged at a first densimeter port 28 arranged below a first flushing port 27 of the lower cylinder body 3 and a second densimeter port 30 arranged below a second flushing port 29; in order to prevent ammonium sulfate particles from depositing and blocking a backflushing material pipeline, water is respectively introduced into the first backflushing material inlet 13 and the second backflushing material inlet 17 through the fourth flushing port 33 and the third flushing port 20 for flushing.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, such as some adjustments to the position of each entry on the upper or lower barrel, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The ammonium sulfate pre-thickener comprises a tank body and is characterized in that the tank body sequentially comprises an upper cylinder body, a lower cylinder body and a conical end socket from top to bottom, the top of the upper cylinder body is sealed through a cover plate, and the upper cylinder body is connected with the lower cylinder body through a flange in a sealing manner; the top of the upper barrel is provided with a slurry inlet, a vent and at least one hand hole, and the slurry inlet is connected with a first pipeline positioned in the upper barrel; an adjusting device is further arranged in the upper barrel, one end of the adjusting device penetrates through the cover plate and is fixed on the cover plate, and the other end of the adjusting device is fixedly connected to a first supporting plate which is positioned in the upper barrel and is connected with the inner wall of the upper barrel; an asphaltene discharge port is arranged above the first supporting plate, and an overflow port is arranged below the first supporting plate; the lower cylinder is provided with a first back-flushing inlet and a slurry outlet, the slurry outlet is arranged below the first back-flushing inlet, and at least one sieve plate is arranged below the slurry outlet; and a discharge hole, a second backflushing material inlet and a water discharge hole are formed in the bottom of the conical sealing head.

2. The ammonium sulfate pre-thickener of claim 1, wherein the drain port is located in the middle of the bottom of the conical head and is connected with the sieve plate located in the lower cylinder by passing through the conical head through a third pipeline, the drain port and the second backflush inlet are respectively located on two sides of the drain port, and a third flushing port is arranged at a position, close to the second backflush inlet, of the rear end of the second backflush inlet.

3. The ammonium sulfate pre-thickener of claim 2, wherein the first back flushing port is connected to a second conduit located within the lower barrel.

4. The ammonium sulfate pre-thickener of claim 1, wherein the top of the upper cylinder is provided with a first hand hole and a second hand hole, the second hand hole is arranged at the air vent, and the first hand hole is arranged at one side of the air vent; and a third hand hole is formed above the sieve plate in the lower cylinder body.

5. The ammonium sulfate pre-thickener of claim 4, further comprising an ear seat disposed on the upper cylinder or the lower cylinder, wherein the cross section of the ear seat is a right trapezoid, and the ear seat is provided with an electrostatic grounding plate.

6. The ammonium sulfate pre-thickener of claim 5, wherein the upper cylinder is further provided with a first flushing port below which a first densimeter port is provided, the lower cylinder is further provided with a second flushing port below which a second densimeter port is provided; the first flushing port is provided with a first bent pipe in the upper cylinder, the inlet of the first bent pipe is connected with the first flushing port, and the outlet of the first bent pipe is aligned with the first densimeter port; the second flushing port is arranged in the lower barrel, a second bent pipe is arranged in the lower barrel, an inlet of the second bent pipe is connected with the second flushing port, and an outlet of the second bent pipe is aligned to the second densimeter port.

7. The ammonium sulfate pre-thickener of claim 5, wherein a fourth flushing port is provided above the first back flushing port.

8. The ammonium sulfate pre-thickener of claim 5, wherein a second support plate is provided below the screen plate for connecting the screen plate with an inner wall of the lower cylinder.

9. The ammonium sulfate pre-thickener of claim 5, wherein the lower cylinder is further provided with a spare port.

10. The ammonium sulfate pre-thickener of claim 5, wherein the cover plate is further provided with a reinforcing angle steel.