Flocculation device

By introducing weighing equipment and stirring components into the flocculation device, the amount of flocculant added is automatically controlled. By utilizing gas turbulence and scraper design, the problem of inaccurate flocculant addition during the flocculation process of sintering head ash is solved, improving the flocculation effect and mixing efficiency, while also achieving a self-cleaning function.

CN223561374UActive Publication Date: 2025-11-18LAIWU IRON & STEEL GRP TAIDONG IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422781828.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-11-18
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

In the existing technology, the weight of the sintering machine head ash cannot be accurately obtained during the flocculation process, which leads to inaccurate addition of flocculant and affects the flocculation effect.

Method used

A flocculation device was designed, comprising a weighing device, a feeding pipe, a stirring assembly, an air supply assembly, and a scraper. It automatically weighs and controls the amount of flocculant added, and utilizes stirring and gas turbulence to improve mixing efficiency, combined with a self-cleaning function.

Benefits of technology

It achieves accurate proportioning of sintering machine head ash and flocculant, improves flocculation effect and mixing efficiency, and reduces cleaning labor intensity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223561374U_ABST
    Figure CN223561374U_ABST
Patent Text Reader

Abstract

The utility model provides a flocculation device, which relates to the field of flocculation equipment, and comprises a flocculation tank, a weighing device, a slurry pump, a feeding pipe, a first suction pump, a flocculant box, a stirring assembly and an air supply assembly, the flocculation tank comprises a feed port and a discharge port, a valve is arranged on the discharge port, and a heating plate is arranged on the outer wall of the flocculation tank; according to the device, the proportioning of the sintering machine head ash and the flocculating agent can be accurately completed, manual addition is not needed, the subsequent flocculation effect is good, meanwhile, an integrally designed gas turbulent flow is additionally arranged on the basis of stirring and accelerating the mixing of the flocculating agent and materials, and the flocculation gathering effect is better.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to flocculation equipment field, specifically, relate to a flocculation device. BACKGROUND

[0002] Flocculation refers to the water or liquid suspended particles gather big, or form flocculation, thereby speeding up the particle's coagulation, reach the purpose of solid-liquid separation, this phenomenon or operation is called flocculation. Usually the implementation of flocculation is realized by adding appropriate flocculant, and its role is to adsorb particles, "bridge" between particles, thereby promoting aggregation.

[0003] At present, the sintering machine head ash is conveyed to the cyclone after the spiral sand washing process, and the lower high-concentration sintering machine head ash enters the spiral separator after the cyclone processing for next processing, and the upper low-concentration sintering machine head ash is pumped into the flocculation tank for settlement by the mud pump.

[0004] The publication number CN218561187U proposes a self-cleaning type flocculation tank, which can scrape the impurities attached to the inner wall of the flocculation tank, thereby facilitating the cleaning of the impurities on the inner wall of the flocculation tank. However, the device cannot accurately obtain the weight of the material to be flocculated after the addition is completed, and the subsequent manual addition of the dosage of the flocculant is not accurate, and too much or too little will affect the flocculation effect of the subsequent sintering machine head ash. Utility model content

[0005] The utility model aims at solving the problem in the above background art, and further proposes a flocculation device.

[0006] The technical scheme adopted by the utility model to solve its technical problems is:

[0007] A flocculation device, comprising a flocculation tank and a mud pump, the flocculation tank comprising a feed inlet and a discharge outlet, the discharge outlet being provided with a valve, a heating plate being provided on the outer wall of the flocculation tank, one end of the mud pump being communicated with the upper region of the cyclone, the other end of the mud pump being above the feed inlet, further comprising a weighing device, a feeding pipe, a first suction pump, a flocculant tank, a stirring assembly and a gas supply assembly,

[0008] The weighing device is arranged below the flocculation tank;

[0009] One end of the feeding pipe is above the feed inlet, and the other end of the feeding pipe is connected with the first suction pump fixed on the ground, the first suction pump being communicated with the flocculant tank and being electrically connected with the weighing device;

[0010] The stirring assembly is arranged inside the flocculation tank;

[0011] The gas supply assembly is arranged outside the flocculation tank and is communicated with the stirring assembly.

[0012] Further, one pipe of the three-way pipe connected with the feeding pipe is provided with an independently controlled electromagnetic valve, one pipe of the remaining two pipes of the three-way pipe is communicated with the first suction pump, and the other pipe is communicated with the second suction pump arranged on the ground, the second suction pump is communicated with the water tank, and the second suction pump is electrically connected with the weighing device.

[0013] The design of the second suction pump for extracting water and injecting the water into the flocculation tank has two effects:

[0014] The first is to improve the physical properties and chemical reaction conditions of the mixture, thereby improving the flocculation effect and subsequent processing efficiency.

[0015] The second is that water can be injected into the flocculation tank after the flocculation is completed, and then the rotation of the scraping rod can realize the self-cleaning of the flocculation tank, thereby reducing the labor intensity of subsequent cleaning.

[0016] Further, the stirring assembly comprises a stirring roller, a first stirring rod and a driving assembly, the stirring roller is rotatably connected inside the flocculation tank, one end of the stirring roller penetrates out of the flocculation tank and is connected with the driving assembly fixed on the flocculation tank, and the first stirring rod is horizontally symmetrically arranged on the stirring roller and is hollow inside.

[0017] The stirring assembly can accelerate the mixing speed of the flocculant and the material.

[0018] Further, the gas supply assembly comprises a rotary joint and a gas pump, the stirring roller is hollow inside and open at one end, the gas pump fixed on the flocculation tank is connected to the open end of the stirring roller through the rotary joint, the stirring roller is communicated with the first stirring rod, and a plurality of gas holes are formed in the first stirring rod.

[0019] Further, a plurality of second stirring rods are communicated with the stirring roller and are inclined and hollow inside, and a plurality of gas holes are also formed in the second stirring rods.

[0020] In the above scheme, the gas pump can inject the gas source into the stirring roller, and finally the gas source is sprayed out of the gas holes in the first stirring rod and the second stirring rod, so as to further disturb the flow on the basis of stirring to improve the mixing effect of the flocculant and the sintering machine head ash, and since the second stirring rod is inclined, the gas injection direction is more diverse.

[0021] Further, one end of each of the first stirring rods on the same side is connected with a scraping rod which is in close contact with the inner wall of the flocculation tank.

[0022] The scraping rod can reduce the probability of precipitation adhering to the inner wall of the flocculation tank during the flocculation process, and can realize subsequent self-cleaning in cooperation with the second suction pump and the water tank.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] Compared with the prior art, the device can accurately complete the ratio of sintering machine head ash and flocculant, without manual addition, and then the subsequent flocculation effect is good, and on the basis of accelerating the mixing of flocculant and material, an integrally designed gas spoiler is additionally arranged, and then the flocculation and aggregation effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the utility model;

[0026] Figure 2 It is Figure 1 It is a local enlarged view of the reference sign A;

[0027] Reference signs:

[0028] 1, flocculation tank; 11, feed inlet; 12, discharge outlet; 13, valve; 14, heating plate; 2, weighing equipment; 21, feeding pipe; 22, three-way pipe; 23, electromagnetic valve; 31, stirring roller; 32, first stirring rod; 33, second stirring rod; 34, air hole; 35, driving assembly; 36, rotary joint; 37, air pump; 41, scraping rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. The utility model is further illustrated by combining the drawings and the embodiments:

[0030] As Figure 1 And Figure 2 shown, a flocculation device, including flocculation tank 1 and slurry pump, flocculation tank 1 includes feed inlet 11 and discharge outlet 12, the valve 13 is provided on the discharge outlet 12, the heating plate 14 is provided on the outer wall of flocculation tank 1, one end of slurry pump is communicated with cyclone upper area, the other end of slurry pump is above feed inlet 11, further including weighing equipment 2, feeding pipe 21, first suction pump, flocculant tank, stirring assembly and gas supply assembly (first suction pump and flocculant tank are not shown in the drawing),

[0031] Weighing equipment 2 is arranged below flocculation tank 1;

[0032] One end of the feeding pipe 21 is above the feeding port 11, and the other end of the feeding pipe 21 is connected with a first suction pump fixed on the ground, the first suction pump is communicated with a flocculating agent tank and is electrically connected with the weighing device 2;

[0033] The stirring assembly is arranged inside the flocculation tank 1.

[0034] The air supply assembly is arranged outside the flocculation tank 1 and is communicated with the stirring assembly.

[0035] Further refinement of the embodiment scheme of the utility model is shown in Figure 1 and Figure 2 The stirring assembly comprises a stirring roller 31, a first stirring rod 32 and a driving assembly 35 (the driving assembly 35 specifically adopts a gear transmission mode, the gear transmission mode belongs to the prior art and is not described, and the structure is shown in the figure without a label), the stirring roller 31 is rotatably connected inside the flocculation tank 1, and one end of the stirring roller 31 penetrates out of the flocculation tank 1 and is connected with the driving assembly 35 fixed on the flocculation tank 1, and the first stirring rod 32 is horizontally symmetrically arranged on the stirring roller 31 and is hollow inside.

[0036] Further refinement of the embodiment scheme of the utility model is shown in Figure 1 and Figure 2 The air supply assembly comprises a rotary joint 36 and an air pump 37, the stirring roller 31 is hollow inside and open at one end, the open end of the stirring roller 31 is connected with the air pump 37 fixed on the flocculation tank 1 through the rotary joint 36, the stirring roller 31 is communicated with the first stirring rod 32, and a plurality of air holes 34 are formed in the first stirring rod 32.

[0037] Further optimization of the above embodiment scheme, a plurality of second stirring rods 33 that are inclined and hollow inside are communicated with the stirring roller 31, and a plurality of air holes 34 are also formed in the second stirring rods 33.

[0038] Further refinement of the embodiment scheme of the utility model is shown in Figure 1 and Figure 2 One end of the plurality of first stirring rods 32 on the same side is connected with a scraping rod 41 that is attached to the inner wall of the flocculation tank 1.

[0039] It should be noted that the heating plate 14, the weighing device 2, the first suction pump, the driving assembly 35 and the air pump 37 are all electrically connected with a controller, the controller is not shown in the figure and can be specifically arranged on one side of the flocculation tank 1.

[0040] The working process of the utility model is as follows:

[0041] Firstly, the low-concentration sintering machine head dust located at the upper part of the cyclone is sucked by the mud pump matched with the pipeline and injected into the flocculation tank 1 (the high-concentration sintering machine head dust has been put into the spiral separator in advance before being sucked), and the weighing device 2 is initially set to 0, and then the weight of the sintering machine head dust can be weighed, and when the weight of the sintering machine head dust reaches the pre-set value, the injection is stopped, and then the addition of the flocculant is started, (it should be noted that the accurate addition amount of the flocculant has been prepared according to the fixed addition weight of the sintering machine head dust), and then the controller controls the first suction pump to work, and then the addition of the flocculant into the flocculation tank 1 can be automatically completed, and when the total material amount in the flocculation tank 1 reaches the value pre-set in the weighing device 2, the weighing device 2 feeds back a signal to the controller at this time, and then the controller controls the first suction pump to stop working, and then the sintering machine head dust flocculation process can be started, and the controller controls the heating plate 14 to work during the flocculation process to improve the flocculation effect;

[0042] Then the controller controls the driving assembly 35 to work to drive the stirring roller 31 to rotate at a constant speed, at this time, the first stirring rod 32 and the second stirring rod 33 rotate synchronously to speed up the mixing speed of the flocculant and the sintering machine head dust, and at the same time, the air pump 37 works to inject the gas source into the stirring roller 31, and finally the gas source is sprayed out from the air holes 34 on the first stirring rod 32 and the second stirring rod 33 to further disturb the flow on the basis of stirring to improve the mixing effect of the flocculant and the sintering machine head dust, and since the second stirring rod 33 is inclined, the gas injection direction is more diverse;

[0043] The early stage of flocculation is fast stirring, and the later stage is slow stirring, so that the flocculation and precipitation effect of the suspended particles in the sintering machine head dust is better, and after completing a round of flocculation operation, firstly, the upper clear water is pumped out, the pumping of the clear water has been disclosed in the self-cleaning flocculation tank 1 disclosed in the publication No. CN218561187U, and no improvement is made in this application, which can be realized by matching the water pump with the water outlet, and the two parts are not shown in the figure, and finally the valve 13 is opened to discharge the precipitated impurities to the bottom of the flocculation tank 1 due to gravity;

[0044] Compared with the prior art, the device can accurately complete the proportioning of the sintering machine head dust and the flocculant, without manual addition, so that the subsequent flocculation effect is good, and on the basis of accelerating the mixing of the flocculant and the material by stirring, an integrally designed gas disturbance is additionally provided, so that the flocculation and aggregation effect is better.

[0045] In some embodiments, as Figure 1 Figure 2As shown, the feeding pipe 21 is connected with one pipe of the tee pipe 22, the remaining two pipes of the tee pipe 22 are respectively provided with independently controlled electromagnetic valves 23, one of the pipes is communicated with the first suction pump, the other pipe is communicated with the second suction pump arranged on the ground, the second suction pump is communicated with the water tank, and the second suction pump is electrically connected with the weighing device 2, the second suction pump and the water tank are not shown in the figure; the design of the embodiment has two functions by the second suction pump to extract the water source and inject into the flocculation tank 1:

[0046] The first one is to improve the physical properties and chemical reaction conditions of the mixture, so as to improve the flocculation effect and the subsequent treatment efficiency;

[0047] The second one is that water can be passed into the flocculation tank 1 after the flocculation is finished, and then the self-cleaning of the flocculation tank 1 can be realized by cooperating with the rotation of the scraping rod 41, and the labor intensity of subsequent cleaning is reduced.

[0048] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flocculation device, comprising a flocculation tank (1) and a mud pump, wherein the flocculation tank (1) includes an inlet (11) and an outlet (12), a valve (13) is provided on the outlet (12), a heating plate (14) is provided on the outer wall of the flocculation tank (1), one end of the mud pump is connected to the upper region of a hydrocyclone, and the other end of the mud pump is located above the inlet, characterized in that, It also includes a weighing device (2), a feeding pipe (21), a first suction pump, a flocculant tank, a mixing assembly, and an air supply assembly. The weighing device (2) is located below the flocculation tank (1); One end of the feeding pipe (21) is above the feed inlet (11), and the other end of the feeding pipe (21) is connected to a first suction pump fixed on the ground. The first suction pump is connected to the flocculant tank and electrically connected to the weighing equipment (2). The stirring assembly is installed inside the flocculation tank (1); The gas supply component is located outside the flocculation tank (1) and is connected to the stirring component.

2. The flocculation device according to claim 1, characterized in that, The feeding pipe (21) is connected to one of the pipes of the three-way pipe (22). The remaining two pipes of the three-way pipe (22) are respectively equipped with independently controlled solenoid valves (23), one of which is connected to the first suction pump, and the other is connected to the second suction pump installed on the ground. The second suction pump is connected to the water tank and is electrically connected to the weighing equipment (2).

3. The flocculation device according to claim 1, characterized in that, The stirring assembly includes a stirring roller (31), a first stirring rod (32), and a drive assembly (35). The stirring roller (31) is rotatably connected inside the flocculation tank (1), and one end of the stirring roller (31) extends out of the flocculation tank (1) and is connected to the drive assembly (35) fixed on the flocculation tank (1). Several first stirring rods (32) are arranged horizontally symmetrically and hollow inside on the stirring roller (31).

4. The flocculation device according to claim 3, characterized in that, The air supply assembly includes a rotary joint (36) and an air pump (37). The stirring roller (31) is hollow inside and open at one end. The open end of the stirring roller (31) is connected to the air pump (37) fixed on the flocculation tank (1) through the rotary joint (36). The interior of the stirring roller (31) is connected to the interior of the first stirring rod (32), and the first stirring rod (32) has several air holes (34).

5. The flocculation device according to claim 4, characterized in that, The stirring roller (31) is connected to several inclined and hollow second stirring rods (33), and several air holes (34) are also provided on the second stirring rods (33).

6. The flocculation device according to claim 3, characterized in that, One end of several of the first stirring rods (32) on the same side is connected to a scraper rod (41) that fits against the inner wall of the flocculation tank (1).