CN210728750U

CN210728750U - Defoaming device for polycarboxylate water reducing agent macromonomer

Info

Publication number: CN210728750U
Application number: CN201921544145.2U
Authority: CN
Inventors: 曹加斌
Original assignee: Bijie Jiaquanbao Building Materials Co Ltd
Current assignee: Bijie Jiaquanbao Building Materials Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-12
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a defoaming device for polycarboxylate water reducing agent macromonomer, which relates to the technical field of water reducing agent production and is used for solving the problem of poor defoaming effect of the conventional macromonomer defoaming device, the utility model discloses a defoaming tank, the defoaming tank is provided with a lifting rod running through the top of the defoaming tank, the top outside the defoaming tank is provided with a lifting mechanism for driving the lifting rod to lift and an exhaust port communicated with the inside of the defoaming tank, the lower end of the lifting rod is provided with a circular disc, the circular disc is provided with a plurality of conical through holes with small upper parts and large lower parts, the two sides of the lower end of the circular disc are connected with a circular net through connecting rods, the circular net is provided with a plurality of meshes, the inner diameter of each mesh is larger than the inner diameter of the lower end of each conical through; the utility model has the advantages of simple structure, sufficient defoaming and good defoaming effect.

Description

Defoaming device for polycarboxylate water reducing agent macromonomer

Technical Field

The utility model relates to a water-reducing agent production technical field, more specifically relate to a defoaming device for polycarboxylate water-reducing agent macromonomer for eliminate polycarboxylate water-reducing agent macromonomer and dissolve the bubble that the in-process produced in advance.

Background

The Polycarboxylate Superplasticizer (Polycarboxylate Superplasticizer) is a high-performance water reducer, is a cement dispersant in cement concrete application, and is widely applied to projects such as highways, bridges, dams, tunnels, high-rise buildings and the like.

At present, the production process of the ether polycarboxylic acid water reducing agent is most widely applied, and the synthetic raw materials comprise TPEG (or HPEG) macromonomer, acrylic acid, mercaptopropionic acid and other small materials. During the preparation of the macromonomer, the macromonomer needs to be pre-dissolved, and a large number of bubbles are generated during the pre-dissolution. The bubbles tend to cause oxygen and free radicals to combine to slow or stop free radical polymerization, thereby affecting the performance of the polycarboxylate water reducer. Therefore, it is necessary to perform defoaming operation on the pre-dissolved macromonomer, and the conventional macromonomer defoaming device has the problems of complicated structure, poor defoaming effect and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the poor problem of macromonomer fire fighting equipment defoaming effect, the utility model provides a polycarboxylate water reducing agent defoaming device for macromonomer adopts simple physics defoaming method to carry out the defoaming to macromonomer after dissolving in advance, and the defoaming is abundant and the defoaming is effectual.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme: the utility model provides a polycarboxylate water reducing agent is fire fighting equipment for macromonomer, includes the defoaming jar, be equipped with the lifter that runs through the defoaming jar top on the defoaming jar, the outer top of defoaming jar is equipped with the elevating system that the drive lifter goes up and down and the gas vent that is linked together in the defoaming jar, the lifter lower extreme is equipped with the circular disk, be equipped with a plurality of big end down's toper through-holes on the circular disk, circular disk lower extreme both sides are connected with circular net through the connecting rod, be equipped with a plurality of meshes on the circular net, the internal diameter of mesh is greater than the internal diameter of toper through-hole lower extreme, defoaming jar one side is equipped with the feed inlet, and.

Further, the top in the defoaming jar is equipped with the sleeve pipe, the sleeve pipe cover is established in the lifter outside, the sleeve pipe outside cover is equipped with the conical cover, the conical cover slope sets up downwards.

Further, the lower end of the conical cover is provided with a plurality of sharp protrusions.

Furthermore, a screen is arranged in the exhaust port.

Further, elevating system is including establishing the cylinder at defoaming jar outer top, the piston rod of cylinder is connected with the lifter through the horizontal pole.

The utility model has the advantages as follows:

1. the utility model discloses simple structure, add the macromonomer after the predissolve in the defoaming jar from the feed inlet, when the liquid level reaches a take the altitude, stop the feeding, start elevating system, later drive circular dish and circular net through the lifter and move down, until circular net lower extreme contacts the bubble on the liquid level, the bubble on the liquid level passes the mesh of circular net earlier, the mesh of circular net carries out preliminary breakage to the bubble, later pass the toper through-hole, in the process of passing the toper through-hole, because pressure progressively increases, carry out breakage once more to the bubble, air in the bubble is discharged from the gas vent after the breakage is accomplished, through twice bubble breakage, breakage is abundant, defoaming effect is good;

2. the conical cover is arranged outside the sleeve, and after the two-stage crushing of the circular disc and the circular net, the bubbles hit the conical cover to crush the bubbles again, so that the crushing is more sufficient, and the defoaming effect is better;

3. the lower end of the conical cover of the utility model is provided with a plurality of sharp bulges, when the air bubbles pass through the conical through holes of the circular disc, the air bubbles firstly impact the bulges, the air bubbles are punctured by the bulges, the air bubbles are broken more fully, and the defoaming effect is better;

4. the utility model discloses an elevating system includes the cylinder, the piston rod of cylinder is flexible to it goes up and down to drive the lifter through the horizontal pole.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic bottom view of the circular plate of the present invention;

fig. 3 is a schematic bottom view of the circular net of the present invention;

FIG. 4 is a schematic view of the bottom view of the cone cover of the present invention

Reference numerals: 1-defoaming tank, 2-circular net, 3-connecting rod, 4-bulge, 5-conical cover, 6-screen, 7-exhaust port, 8-cylinder, 9-cross bar, 10-lifting rod, 11-sleeve, 12-circular disk, 13-conical through hole, 14-feed inlet, 15-observation window, 16-discharge outlet, 17-discharge valve and 18-mesh.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 3, this embodiment provides a defoaming device for polycarboxylate water reducing agent macromonomer, including defoaming jar 1, be equipped with the lifter 10 that runs through 1 top of defoaming jar on the defoaming jar 1, 1 outer top of defoaming jar is equipped with the elevating system that drives lifter 10 lift and communicates in 1 with the defoaming jar gas vent 7, lifter 10 lower extreme is equipped with circular dish 12, be equipped with a plurality of big-end-up's toper through-hole 13 on the circular dish 12, circular dish 12 lower extreme both sides are connected with circular net 2 through connecting rod 3, be equipped with a plurality of meshes 18 on the circular net 2, the internal diameter of mesh 18 is greater than the internal diameter of toper through-hole 13 lower extreme, 1 one side of defoaming jar is equipped with feed inlet 14, and the lower extreme is equipped with discharge gate 16, be equipped with bleeder valve 17 on the discharge gate 16, still be equipped with observation window 15 on the defoaming jar.

The working principle is as follows: add the macromonomer after the pre-dissolving in the defoaming jar 1 from feed inlet 14, observe the liquid level from observation window 15, when the liquid level reaches a take the altitude, stop the feeding, start elevating system, later drive circular disk 12 and circular net 2 through lifter 10 and move down, until circular net 2 lower extreme contacts the bubble on the liquid level, bubble on the liquid level passes circular net 2's mesh 18 earlier, circular net 2's mesh 18 carries out preliminary breakage to the bubble, later pass toper through-hole 13, at the in-process that passes toper through-hole 13, because pressure progressively increases, carry out breakage once more to the bubble, air in the bubble is discharged from gas vent 7 after the breakage is accomplished, through twice bubble breakage, it is broken abundant, defoaming effect is good.

Example 2

As shown in fig. 1 to 4, in this embodiment, a further improvement is made on the basis of embodiment 1, specifically, a sleeve 11 is arranged at the top inside the defoaming tank 1, the sleeve 11 is sleeved outside the lifting rod 10, a conical cover 5 is sleeved outside the sleeve 11, the conical cover 5 is arranged obliquely downward, the conical cover 5 is large in top and small in bottom, and when the defoaming device is used, after two-stage crushing of the circular disc 12 and the circular net 2, bubbles hit the conical cover 5, the bubbles are crushed again, the crushing is more sufficient, and the defoaming effect is better.

Example 3

As shown in fig. 1 to 4, this embodiment is further improved on the basis of embodiment 2, specifically, the lower end of the conical cover 5 is provided with a plurality of sharp protrusions 4, when the bubbles pass through the conical through hole 13 of the circular disc 12, the bubbles first hit the protrusions 4, the bubbles are pierced by the protrusions 4, the bubbles are broken more sufficiently, and the defoaming effect is better.

Preferably, be equipped with screen cloth 6 in the gas vent 7, screen cloth 6's sieve mesh internal diameter is less than the internal diameter of toper through-hole 13 upper end, and screen cloth 6 is convenient for carry out the breakage to remaining a small amount of bubbles after breaking many times for defoaming effect is better, and is more abundant.

Example 4

As shown in fig. 1, this embodiment is further improved on the basis of embodiment 1, specifically, the lifting mechanism includes an air cylinder 8 disposed at the outer top of the defoaming tank 1, a piston rod of the air cylinder 8 is connected to a lifting rod 10 through a cross rod 9, and the piston rod of the air cylinder 8 extends and retracts, so that the lifting rod 10 is driven to lift through the cross rod 9.

Claims

1. A defoaming device for a polycarboxylate superplasticizer macromonomer comprises a defoaming tank (1) and is characterized in that, the defoaming tank (1) is provided with a lifting rod (10) which penetrates through the top of the defoaming tank (1), the outer top of the defoaming tank (1) is provided with a lifting mechanism for driving a lifting rod (10) to lift and an exhaust port (7) communicated with the inner part of the defoaming tank (1), a circular disc (12) is arranged at the lower end of the lifting rod (10), a plurality of conical through holes (13) with small upper parts and big lower parts are arranged on the circular disc (12), two sides of the lower end of the circular disc (12) are connected with a circular net (2) through connecting rods (3), a plurality of meshes (18) are arranged on the circular net (2), the inner diameter of each mesh (18) is larger than that of the lower end of the conical through hole (13), a feeding hole (14) is formed in one side of the defoaming tank (1), and a discharging hole (16) is formed in the lower end of the defoaming tank.

2. The defoaming device for polycarboxylate water reducer macromonomer according to claim 1, characterized in that a sleeve (11) is arranged at the top in the defoaming tank (1), the sleeve (11) is sleeved on the outer side of the lifting rod (10), a conical cover (5) is sleeved on the outer side of the sleeve (11), and the conical cover (5) is arranged obliquely downwards.

3. The defoaming device for polycarboxylate superplasticizer macromonomer according to claim 2, wherein said conical cover (5) is provided at its lower end with a plurality of sharp protrusions (4).

4. The defoaming device for the macromonomer of any one of claims 1 to 3, wherein a screen (6) is provided in the exhaust port (7).

5. The defoaming device for polycarboxylate superplasticizer macromonomer according to any one of claims 1 to 3, wherein said lifting mechanism comprises a cylinder (8) arranged at the top outside the defoaming tank (1), and a piston rod of said cylinder (8) is connected with a lifting rod (10) through a cross rod (9).