CN213609953U - Thickening device - Google Patents

Abstract

The utility model provides a thickener, including the knockout drum, constitute by jar body and tank bottoms two parts, jar body top is equipped with the top cap, the lower part is equipped with annular baffle, tank bottoms upper portion is passed annular baffle and is extended jar internally, it is equipped with the profile of tooth cofferdam to go up the reason at the tank bottoms, the outside is equipped with the heat transfer intermediate layer, the coaxial rigid coupling of top cap has the stirring inlet pipe, agitator motor is equipped with on the stirring inlet pipe, the lateral wall is equipped with thin material feed inlet and compressed air inlet, stirring inlet pipe lower extreme extends tank bottoms middle part, be equipped with the (mixing) shaft in the stirring inlet pipe, the (mixing) shaft middle part is equipped with auger blade, the lower part is equipped with anchor frame agitator, tank bottoms upper portion has erect. This thickener has promoted and has subsided concentrated throughput, stirs and prevents to block up the discharging pipe, still can cool off or heat in to the jar and improve the thick liquids supersaturation, promotes solid-liquid separation effect and production efficiency, promotes pigment product's uniformity.

Description

Thickening device

Technical Field

The utility model belongs to the pigment production field, concretely relates to thickener of mineral pigment production usefulness.

Background

Pigments are powdered substances used to color articles. Pigments are generally classified as soluble and insoluble, inorganic and organic. The common mineral pigment is an insoluble inorganic pigment which is insoluble in media such as water, grease, resin, organic solvent and the like, but can be uniformly dispersed and suspended in the solvent, can be used for dyeing articles and has certain hiding power. In order to make the mineral pigment products have better consistency, thickeners, also called thickeners or thickeners, are often used in the production process to concentrate solid particles in suspension, and the thickened materials are pulped and then enter the next procedure for filter pressing and washing. The existing thickener has poor slurry layering effect and slow solid-liquid separation efficiency, and cannot meet the production requirement.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the utility model discloses a thickener makes the pigment thick liquids layering fast that the oxidation is good, reaches the purpose that solid-liquid separation increases the ground paste concentration.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a thickener comprises a separation tank, the separation tank is composed of a cylindrical tank body and a conical tank bottom which are coaxially and vertically fixedly connected, a top cover is fixedly connected above the tank body, a slope-shaped annular partition plate is fixedly connected to the lower portion of the tank body, the upper portion of the tank bottom penetrates through the annular partition plate to extend into the tank body in a matched manner, a tooth-shaped cofferdam is fixedly arranged on the upper edge of the tank bottom, a heat exchange interlayer is sleeved on the outer side of the tank bottom in a matched manner, an interlayer inlet and an interlayer outlet are fixedly arranged on the outer side wall of the heat exchange interlayer, supporting legs are fixedly connected below the tank bottom, a stirring feed pipe is coaxially and fixedly connected with the top cover, a stirring motor is arranged at the upper end of the stirring feed pipe, a thin material feed port and a compressed air inlet are fixedly arranged on the side wall of the stirring feed pipe, the thin material feed, the (mixing) shaft outside rigid coupling in the middle of the stirring inlet pipe has auger blade, (mixing) shaft lower extreme rigid coupling has anchor frame agitator, and anchor frame agitator has evenly laid the harrow sword near one side of tank bottoms, the cooperation is erect between tank bottoms upper portion and the stirring inlet pipe and is equipped with annular settlement swash plate layer, the position rigid coupling that tank side wall is close to the annular baffle minimum has the supernatant overflow pipe, be equipped with the drain valve on the supernatant overflow pipe, the lower extreme rigid coupling of tank bottoms has the thick material discharging pipe, be equipped with the bleeder valve on the thick material discharging pipe, be equipped with clear stifled mouth on the lateral wall of thick material discharging pipe.

Further, still the rigid coupling has gas outlet and washing mouth on the overhead cover, and the gas outlet is connected to the waste gas conveyer pipe, needs the exhaust in thickener feeding and the production, and exhaust gas sends to the exhaust-gas treatment tower and purifies the back evacuation.

Further, the cleaning opening is provided with a flange cover plate in a matched mode, the flange cover plate is further provided with a sight glass with a lamp, the cleaning opening is used for cleaning the inside of the tank body at regular intervals, and the sight glass with the lamp is used for checking the inside condition of the tank body in production.

Furthermore, a U-shaped liquid seal pipe is further arranged on the supernatant overflow pipe, the U-shaped liquid seal pipe has certain buffering and isolating effects, and overflowed supernatant is conveyed to the supernatant recovery tank for recycling.

Furthermore, a glass tube liquid level meter is connected between the tank bottom and the tank body in a matching manner, so that the liquid level height of materials at the upper part of the tank bottom and supernatant liquid in the tank body can be conveniently known outside the tank.

Furthermore, the top cover and the tank body are detachably connected through a flange, so that overhaul and overhaul operation of the interior of the tank body are facilitated.

Further, adopt the flange to dismantle sealing connection between jar body and the tank bottoms, the thickener split transportation and the installation of being convenient for.

The utility model discloses still including other subassemblies that can make its normal use, be the conventional technical means in this field, in addition, the utility model discloses in add not limited device or subassembly, for example: a supernatant recovery tank, a waste gas treatment tower, a stirring motor, a packing auger blade, an anchor frame type stirrer, a settling inclined plate layer, a heat exchange interlayer, a raking cutter and the like, which adopt the prior art in the field.

The utility model has the advantages as follows:

this thickener has improved the solid-liquid separation efficiency of pigment thin material, the settlement concentration throughput of thickener has been promoted, reduce the dwell time of pigment thick liquids in the system, simultaneously can prevent to subside to harden and block up the discharge gate, still can be according to the cold and hot crystallization characteristic and the actual production needs of thick liquids, cool off or heat in to the jar through the heat transfer intermediate layer, further improve the solid-liquid separation effect of pigment thick liquids, promote the production efficiency of thickener, the supernatant of isolating carries out recovery cyclic utilization, energy saving and emission reduction, reduce the wasting of resources, the thickened thick liquids of isolating helps subsequent making beating effect, be favorable to promoting pigment product's uniformity.

Drawings

FIG. 1 is a schematic structural view of a thickener in the example.

Detailed Description

The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples

As shown in figure 1, a thickener comprises a separation tank, the separation tank is composed of a cylindrical tank body 1 and a conical tank bottom 2 which are coaxially and vertically fixedly connected, a top cover 3 is fixedly connected above the tank body, a slope-shaped annular partition plate 4 is fixedly connected at the lower part of the tank body, the upper part of the tank bottom is matched and penetrates through the annular partition plate to extend into the tank body, a tooth-shaped cofferdam 5 is fixedly arranged at the upper edge of the tank bottom, a heat exchange interlayer 6 is sleeved at the outer side of the tank bottom in a matched manner, an interlayer inlet 7 and an interlayer outlet 8 are fixedly arranged on the outer side wall of the heat exchange interlayer, a supporting leg 9 is fixedly connected below the tank bottom, a stirring feed pipe 10 is coaxially and fixedly connected with the top cover, a stirring motor 11 is arranged at the upper end of the stirring feed pipe, a thin material feed inlet 12 and a compressed air inlet 13 are fixedly arranged on the side wall of the, the upper end of the stirring shaft is connected with a stirring motor, the outer side of the stirring shaft in the middle of the stirring inlet pipe is fixedly connected with a packing auger blade 15, the lower end of the stirring shaft is fixedly connected with an anchor frame type stirrer 16, one side of the anchor frame type stirrer, which is close to the bottom of the tank, is uniformly provided with a rake knife 17, an annular sedimentation inclined plate layer 18 is arranged between the upper part of the bottom of the tank and the stirring inlet pipe in a matching way, the part of the side wall of the tank, which is close to the lowest point of the annular partition plate, is fixedly connected with a supernatant overflow pipe 19, the supernatant overflow pipe is provided with a liquid outlet valve 20, the lower end of the bottom of the tank is fixedly.

The horizontal inclination angle of the annular partition plate is 15 degrees, so that the overflowing supernatant can be collected to the supernatant overflow pipe at the lowest point under the action of gravity to flow out, and a small part of overflowing suspended matters can be washed away, deposition cannot be formed on the annular partition plate, and the cleaning frequency of the annular partition plate is reduced.

The horizontal taper of the conical tank bottom is 60 degrees, so that the gravity action borne by the slurry sediment is greater than the supporting action of the tank bottom on the sediment, and the sediment is converged to the thick material discharge pipe.

The sedimentation inclined plate layer is composed of a plurality of inclined plates which are parallel to each other, the distance between the inclined plates is 100mm, the horizontal inclination angle of each inclined plate is 45 degrees, the height of each inclined plate is 600mm, and the sedimentation inclined plates use the principle of shallow sedimentation, so that the particle sedimentation distance is shortened, the sedimentation time is shortened, the sedimentation area is increased, and the sedimentation efficiency is improved.

And the top cover is also fixedly connected with an air outlet 24 and a cleaning port 25, and the air outlet is connected to a waste gas conveying pipe.

The cleaning opening is provided with a flange cover plate 26 in a matching way, and the flange cover plate is also provided with a sight glass 27 with a lamp.

And a U-shaped liquid seal pipe 28 is also arranged on the supernatant overflow pipe.

And a glass tube liquid level meter 29 is also connected between the tank bottom and the tank body in a matching way.

The top cover and the tank body are detachably connected through a flange.

The tank body is detachably and hermetically connected with the tank bottom through a flange.

Pigment thin materials are led into the thickener from a thin material inlet, are stirred and dispersed by a screw blade and flow into the tank bottom along with a stirring slurry pipe, and the slurry is settled by gravity at the tank bottom; in addition, a sedimentation inclined plate is arranged to strengthen the sedimentation effect, and compressed air is introduced, so that the sedimentation of suspended matters is accelerated under the action of airflow, and solid and liquid are quickly separated; in addition, cooling water or steam can be introduced into the heat exchange interlayer according to the saturation characteristic of the slurry to cool or heat the tank bottom, so that the aim of controlling the supersaturation degree is fulfilled; the anchor frame type stirrer with the harrow cutter arranged at the bottom of the tank continuously stirs to ensure that sediment is not easy to block the thick material discharge pipe, and the side wall of the lower part of the thick material discharge pipe is also provided with a blockage cleaning port for cleaning, dredging and avoiding blockage; and the continuous feeding of the thickener directly reaches the middle part of the bottom of the tank, so that the supernatant liquid layered from the upper part of the sediment cannot be greatly mixed, continuously overflows to a supernatant liquid overflow pipe through a tooth-shaped cofferdam on the upper edge of the bottom of the tank, and is conveyed to a supernatant liquid recovery tank for recycling.

The technical solution of the present invention is not limited to the above-mentioned specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims (7)

1. A thickener comprising a separator tank characterized in that: the separation tank consists of a cylindrical tank body and a conical tank bottom which are coaxially and vertically fixedly connected, a top cover is fixedly connected above the tank body, a slope-shaped annular partition plate is fixedly connected to the lower part of the tank body, the upper part of the tank bottom penetrates through the annular partition plate to extend into the tank body in a matching manner, a tooth-shaped cofferdam is fixedly arranged on the upper edge of the tank bottom, a heat exchange interlayer is sleeved on the outer side of the tank bottom in a matching manner, an interlayer inlet and an interlayer outlet are fixedly arranged on the outer side wall of the heat exchange interlayer, supporting legs are fixedly connected to the lower part of the tank bottom, a stirring feed pipe is coaxially and fixedly connected with the top cover, a stirring motor is arranged at the upper end of the stirring feed pipe, a thin material feed inlet and a compressed air inlet are fixedly arranged on the side wall of the stirring feed pipe, the thin material feed inlet and the compressed air inlet, the anchor frame type stirrer is fixedly connected to the lower end of the stirring shaft, a rake knife is uniformly distributed on one side, close to the tank bottom, of the anchor frame type stirrer, an annular settlement inclined plate layer is arranged between the upper portion of the tank bottom and the stirring feeding pipe in a matching mode, a supernatant overflow pipe is fixedly connected to the portion, close to the lowest point of the annular partition plate, of the side wall of the tank body, a liquid outlet valve is arranged on the supernatant overflow pipe, a thick material discharging pipe is fixedly connected to the lower end of the tank bottom, a discharging valve is arranged on the thick material discharging pipe, and a blocking cleaning.

2. A thickener according to claim 1, wherein: and the top cover is also fixedly connected with an air outlet and a cleaning port, and the air outlet is connected to the waste gas conveying pipe.

3. A thickener according to claim 2, wherein: the cleaning opening is provided with a flange cover plate in a matching way, and the flange cover plate is also provided with a sight glass with a lamp.

4. A thickener according to claim 1, wherein: and a U-shaped liquid seal pipe is also arranged on the supernatant overflow pipe.

5. A thickener according to claim 1, wherein: and a glass tube liquid level meter is also connected between the tank bottom and the tank body in a matching way.

6. A thickener according to claim 1, wherein: the top cover and the tank body are detachably connected through a flange.

7. A thickener according to claim 1, wherein: the tank body is detachably and hermetically connected with the tank bottom through a flange.

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