CN217140197U

CN217140197U - Dissolving and filtering device for dry powder retention and filter aid

Info

Publication number: CN217140197U
Application number: CN202220583272.9U
Authority: CN
Inventors: 闫武军; 翟忠宝; 唐晓忠; 刘崇义
Original assignee: JIANGSU FEYMER TECHNOLOGY CO LTD
Current assignee: JIANGSU FEYMER TECHNOLOGY CO LTD
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-09
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a dissolving and filtering device of a dry powder retention and filtration aid. Belong to polymer dissolving device correlation technique field, the utility model discloses through the liquid level lifting in stirring process, with polyacrylamide's please aqueous solution with overflow mode successively flow through the mixed district, dissolve district and mixing district, after mixing the district dispersion, continue to carry out further dispersion through strengthening the unit, polyacrylamide aqueous solution after the dispersion is carried to the sieve that shakes from strengthening the unit via the unloading pump, completely dissolved polyacrylamide and the minimum polyacrylamide of particle diameter reach the storage unit through the sieve bottom that shakes, and not disperse completely, the great polyacrylamide granule of particle diameter is shaken the sieve and is moved to returning the material mouth via the transfer unit, carry out further division powder and dissolve. The equipment has low input cost, quick and visual effect, compact structural layout, no occupation of too much site space, quick installation, simple and convenient daily operation and maintenance, manpower and material resources conservation and improvement of the utilization rate of the medicine.

Description

Dissolving and filtering device for dry powder retention and filter aid

Technical Field

The utility model relates to a polymer dissolving equipment correlation technique field specifically is a dry powder helps dissolving filter equipment of retention and drainage agent.

Background

The dry powder retention and drainage aid is a polyacrylamide high molecular polymer which is mostly dissolved and cured on the spot of a client, is limited by the characteristics of the polymer, must be uniformly mixed when being pre-dispersed with water, and is emulsion with high viscosity after being dissolved and cured. The currently used dissolution and maturation equipment is generally of two types, one batch dissolution and one continuous proportional dissolution.

The main equipment for intermittent batch dissolution comprises a powder opening dispersion machine, a stirring dissolution tank, a transferring and discharging pump and a storage standby tank. The process comprises the steps of firstly adding a proper amount of water into a dissolving tank, adding a retention and filtration aid with a specified weight according to the concentration, continuously filling water, continuously stirring for dissolving and curing for at least 40min, then pumping and discharging to a storage tank for standby, and repeating the process for dissolving and curing the next batch after the dissolving tank completely discharges the materials. The dissolving and curing mode has the advantages of high equipment investment, large occupied area, fussy installation and debugging, long time consumption, incapability of meeting the requirement of short-time large-batch preparation and limited equipment preparation capacity.

The main body equipment for continuous proportional dissolution is three square stirring type dissolving tanks connected in series, water and the retention and filtration aid are simultaneously metered and conveyed to a first square tank, and the water and the retention and filtration aid are dissolved while being stirred and overflowed to a second square tank, and the water and the filtration aid are continuously dissolved while being stirred and overflowed to a third tank, and whether the water is added into the first square tank or not is controlled by interlocking according to the liquid level of the third square tank. The process of continuous dissolution is realized in an overflow mode, each particle of the retention and filtration aid cannot be completely and fully dissolved, the content of insoluble substances is too high, subsequent filters are frequently blocked and cleaned, the cleaned insoluble substances can only be discarded, and meanwhile, the hidden trouble is brought to the equipment operation and product quality control of customers.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defects, the utility model provides a dissolving and filtering device of a dry powder retention and filtration aid, which comprises a dispersing unit, a strengthening unit, a vibrating screen, a storage unit and a conveying unit; the feeding end of the conveying unit is connected with the recovery tank of the vibrating screen; the top of the storage unit is connected with the bottom end of the vibrating screen; and the lower end outlet of the dispersion unit is connected with the upper end outlet of the strengthening unit through an overflow pipe.

Preferably or optionally, the dispersing unit sequentially comprises a mixing area, a dissolving area and a mixing area, and the mixing area, the dissolving area and the mixing area are all provided with stirring devices.

Preferably or optionally, a first upper baffle and a first lower baffle are arranged between the mixing zone and the dissolving zone, the top end of the first upper baffle is connected with the top of the mixing zone, and the lower end of the first lower baffle is connected with the bottom of the dissolving zone.

Preferably or optionally, a second upper baffle and a second lower baffle are arranged between the dissolving area and the homogenizing area, the top end of the second upper baffle is connected with the top of the dissolving area, and the lower end of the second lower baffle is connected with the bottom of the homogenizing area.

Preferably or optionally, the dispersion unit is provided with a feed tank and a solution tank respectively, and more particularly, the feed tank and the solution tank are provided above the mixing zone respectively.

Preferably or optionally, the mixing area is further provided with a material return port connected with the discharge end of the conveying unit.

Preferably or optionally, a discharging pump is further arranged between the strengthening unit and the vibrating screen, an inlet of the discharging pump is connected with an outlet of the strengthening unit through a pipeline, and an outlet of the discharging pump is arranged above the vibrating screen.

Preferably or alternatively, the reinforcement unit is provided with a liquid level sensor.

Has the advantages that:

the utility model provides a dry powder helps dissolving filter equipment of retention and filtration agent, its theory of operation specifically is: clear water and polyacrylamide get into dispersion unit from solution tank and feed tank respectively, through the liquid level lifting at the stirring in-process to the overflow mode flows through mixing zone, dissolving zone and mixing zone in proper order, after mixing the zone dispersion, continues to carry out further dispersion through strengthening the unit, and monitor the liquid level in strengthening the unit through level sensor, with the material flow of adjustment solution tank and feed tank. The dispersed polyacrylamide aqueous solution is conveyed from the strengthening unit to the vibrating screen through the discharging pump, under the grading action of the vibrating screen, the completely dissolved polyacrylamide and the polyacrylamide with extremely small particle size reach the storage unit through the bottom of the vibrating screen, and can be used for storing or carrying out subsequent operation of the polyacrylamide solution, and the polyacrylamide particles which are not completely dispersed and have large particle size are moved to the return port through the vibrating screen through the conveying unit to be further pulverized and dissolved. The utility model discloses the messenger can obtain dissolving the curing more fully through using continuous type proportion dissolving equipment and intensive unit and sieve combination together that shakes, as the polyacrylamide of retention filter aid, can thoroughly solve the many problem of insoluble substance. Through the classified filtration of the vibrating screen, the utilization rate of the materials is greatly improved, the good materials can be directly used for customer use points without risks and hidden troubles, the polyacrylamide slag with larger particle size is not wasted or discarded, all the materials are refluxed and dissolved and cured again, and the particles which are not cured completely or cured incompletely and sundries brought into the system by other ways are prevented from entering the storage tank. The equipment has low input cost, quick and visual effect, compact structural layout, no occupation of too much site space, quick installation, simple and convenient daily operation and maintenance, manpower and material resources conservation and improvement of the utilization rate of the medicine.

The utility model discloses an at the inside overhead gage that sets up of continuous type proportion dissolving equipment, realize the overflow mass transfer in a container is inside, compare with the independent agitating unit who establishes ties and use, area is little, and the structure is more compact.

Drawings

Fig. 1 is a schematic view of the apparatus of the present invention.

The reference signs are: the device comprises a dispersing unit 1, a mixing zone 11, a dissolving zone 12, a mixing zone 13, a feeding tank 14, a solution tank 15, a material returning port 16, a strengthening unit 2, a liquid level sensor 21, a discharging pump 3, a vibrating screen 4, a storage unit 5 and a conveying unit 6.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The invention will be further described with reference to the following examples, which are intended to illustrate the invention and are not to be construed as limiting the invention.

Example 1

The embodiment provides a dissolving and filtering device of a dry powder retention and filter aid, which comprises a dispersing unit 1, a strengthening unit 2, a vibrating screen 4, a storage unit 5 and a conveying unit 6. The dispersion unit 1 comprises a mixing zone 11, a dissolving zone 12 and a homogenizing zone 13 provided with a stirring device in sequence: a first upper baffle and a first lower baffle are arranged between the mixing area 11 and the dissolving area 12, and a second upper baffle and a second lower baffle are arranged between the dissolving area 12 and the mixing area 13.

In addition, the feeding end of the conveying unit 6 is connected with the recovery tank of the vibrating screen 4; the top of the storage unit 5 is connected with the bottom end of the vibrating screen 4; the lower outlet of the dispersion unit 1 is connected with the upper outlet of the strengthening unit 2 through an overflow pipe.

Further, in the present embodiment, a feeding tank 14, a solution tank 15 and a material returning port 16 are provided above the mixing zone 11 of the dispersing unit 1, the feeding tank 14 is used for conveying polyacrylamide, the solution tank 15 is used for conveying clean water, and the material returning port 16 is used for recovering the large-particle-size polyacrylamide in the conveying unit 6.

In addition, the discharge pump 3 of this embodiment is disposed between the reinforcement unit 2 and the vibrating screen 4, an inlet of the discharge pump 3 is connected to an outlet of the reinforcement unit 2 through a pipe, and an outlet of the discharge pump 3 is disposed above the vibrating screen 4 for conveying the polyacrylamide solution. The strengthening unit 2 is provided with a liquid level sensor 21 which can be used for monitoring the liquid level in the strengthening unit 2, and further adjusting the material flow of the solution tank 15 and the material supply tank 14.

In order to facilitate understanding of the present embodiment, the operation principle thereof is briefly described:

in this embodiment, clear water and polyacrylamide respectively enter the dispersion unit 1 from the solution tank 15 and the feed tank 14, rise through the liquid level during the stirring process, flow through the mixing zone 11, the dissolution zone 12 and the leveling zone 13 in an overflow manner, continue to further disperse through the strengthening unit 2 after the leveling zone 13 disperses, and monitor the liquid level in the strengthening unit 2 through the liquid level sensor 21 to adjust the material flow of the solution tank 15 and the feed tank 14. The dispersed polyacrylamide aqueous solution is conveyed from the strengthening unit 2 to the vibrating screen 4 through the discharging pump 3, under the grading action of the vibrating screen 4, the completely dissolved polyacrylamide and the polyacrylamide with extremely small particle size reach the storage unit 5 through the bottom of the vibrating screen 4, and can be used for storing or carrying out subsequent operation of the polyacrylamide solution, and the polyacrylamide particles which are not completely dispersed and have large particle size are moved to the return port 16 through the conveying unit 6 by the vibrating screen 4 to be further pulverized and dissolved.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

Claims

1. A dissolving and filtering device of a dry powder retention and filtration aid comprises a dispersing unit, a strengthening unit, a vibrating screen, a storage unit and a conveying unit; the feeding end of the conveying unit is connected with the recovery tank of the vibrating screen; the top of the storage unit is connected with the bottom end of the vibrating screen; and the lower end outlet of the dispersion unit is connected with the upper end outlet of the strengthening unit through an overflow pipe.

2. The dissolving and filtering device of dry powder retention and drainage aid according to claim 1, characterized in that the dispersing unit comprises a mixing zone, a dissolving zone and a homogenizing zone in sequence, and the mixing zone, the dissolving zone and the homogenizing zone are all provided with stirring devices.

3. The device for dissolving and filtering the dry powder retention and drainage aid according to claim 2, wherein a first upper baffle and a first lower baffle are arranged between the mixing zone and the dissolving zone, the top end of the first upper baffle is connected with the top of the mixing zone, and the lower end of the first lower baffle is connected with the bottom of the dissolving zone.

4. The device for dissolving and filtering the dry powder retention and drainage aid according to claim 2, wherein a second upper baffle and a second lower baffle are arranged between the dissolving area and the homogenizing area, the top end of the second upper baffle is connected with the top of the dissolving area, and the lower end of the second lower baffle is connected with the bottom of the homogenizing area.

5. The device for dissolving and filtering the dry powder retention and drainage aid according to claim 1 or 2, wherein the dispersion unit is provided with a feed tank and a solution tank respectively, and more particularly, the feed tank and the solution tank are respectively arranged above the mixing zone.

6. The device for dissolving and filtering the dry powder retention and drainage aid according to claims 1 to 3, wherein the mixing zone is further provided with a material returning port connected with the discharge end of the conveying unit.

7. The device for dissolving and filtering the dry powder retention and drainage aid according to claim 1, wherein a discharge pump is further arranged between the reinforcing unit and the vibrating screen, an inlet of the discharge pump is connected with an outlet of the reinforcing unit through a pipeline, and an outlet of the discharge pump is arranged above the vibrating screen.

8. The device for dissolving and filtering dry powder retention and drainage aids according to claim 1, wherein the strengthening unit is provided with a liquid level sensor.