High-pressure atomization device for preparing porous microsphere calcium silicate by dry method

Abstract

The utility model discloses a high-pressure atomization device for preparing porous microsphere calcium silicate by a dry method, and belongs to the technical field of chemical machinery. Comprising an outer shell and a plurality of mixing bins fixed in the outer shell, the mixing bins are connected through nozzles, a feeding pipe is communicated with the mixing bin at the uppermost end, a flow meter is connected to the feeding pipe, high-pressure air source inlets are connected to the side faces of the mixing bins, valves are connected to the high-pressure air source inlets, and nozzles are connected to the lower portion of the mixing bin at the lowermost layer. A spraying piece, an E-shaped rotary piece, a nozzle blind piece and an atomization hood are sequentially connected to the lower portion of the nozzle, a sealing piece is fixed to the upper portion of the spraying piece, and the sealing piece is fixed to the outer ring of the third nozzle through a fixing nut. According to the utility model, the plurality of mixing bins are arranged and are connected in series by adopting the nozzles, and meanwhile, the independently controlled valves are arranged on the side surfaces of the mixing bins, so that the flexible adjustment of the spraying pressure and the spraying chamber can be realized, the atomizing use requirements of various stages can be met, and the particle size of the prepared porous microsphere calcium silicate can be controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical industry machinery technical field, concretely is a kind of high-pressure atomization device for dry preparation porous microspheres calcium silicate. BACKGROUND

[0002] In the method for preparing calcium silicate with porous microsphere structure, the traditional wet method may have problems, such as high energy consumption, complicated steps or unsatisfactory product structure, so it is switched to dry process. The high-pressure atomization device is used here to atomize the precursor solution or suspension into tiny droplets, and then form microspheres through drying or heat treatment.

[0003] As an inorganic material, the parameters of high-pressure atomization in the production process, such as pressure, nozzle design, spray chamber design and temperature control, will affect the size and distribution of droplets, and further affect the particle size and pore structure of the final microspheres. In the prior art, the mixing chamber structure of the high-pressure atomization device is fixed and cannot be flexibly adjusted, which cannot meet the atomization needs of various levels. SUMMARY

[0004] To solve the above problems, the utility model provides a kind of high-pressure atomization device for dry preparation porous microspheres calcium silicate.

[0005] The utility model is realized through the following technical solutions:

[0006] A kind of high-pressure atomization device for dry preparation porous microspheres calcium silicate, including shell body and fixed in the shell body inside several mixing chambers, the mixing chamber is connected by nozzle between, the upper end of the shell body is connected with feed pipe, the feed pipe is communicated with the mixing chamber in the uppermost end, flowmeter is connected on the feed pipe, the side of the mixing chamber is all connected with high-pressure gas inlet, valve is connected on the high-pressure gas inlet, the lower layer mixing chamber is connected with nozzle below, the nozzle is sequentially connected with spray piece, E type spiral piece, nozzle blind piece and atomization cap below, the upper side of the spray piece is fixed with sealing element, the sealing element is fixed in the outer ring of third nozzle by fixed nut.

[0007] The mixing chamber is composed of first mixing chamber, second mixing chamber and third mixing chamber, the side of the first mixing chamber is connected with first valve and first high-pressure gas inlet, the side of the second mixing chamber is connected with second valve and second high-pressure gas inlet, the side of the third mixing chamber is connected with third valve and third high-pressure gas inlet, first nozzle is connected between the first mixing chamber and the second mixing chamber, second nozzle is connected between the second mixing chamber and the third mixing chamber.

[0008] The inner wall of the shell body is fixed with support table, and the mixing chamber in the lowermost layer is fixed above the support table.

[0009] The atomizing hood is a universal atomizing hood.

[0010] Compared with the prior art, the present application has the advantages that:

[0011] The present application sets multiple mixing bins and connects them in series by nozzles, and the side of each mixing bin is provided with a separately controlled valve, so that the spray pressure and the spray chamber can be flexibly adjusted to meet the requirements of various grades of atomization, and the particle size of the prepared porous microspherical calcium silicate can be controlled. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The present application is a structural schematic diagram.

[0013] In the figure: 1, outer shell; 2, feed pipe; 3, flow meter; 4, first mixing bin; 5, first valve; 6, first high-pressure gas inlet; 7, first nozzle; 8, second mixing bin; 9, second valve; 10, second high-pressure gas inlet; 11, second nozzle; 12, third mixing bin; 13, third valve; 14, third high-pressure gas inlet; 15, third nozzle; 16, support table; 17, fixed nut; 18, spray piece; 19, E-shaped rotary piece; 20, nozzle blind piece; 21, atomizing hood; 22, sealing element. DETAILED DESCRIPTION

[0014] The present application will be further described below in combination with the drawings:

[0015] A high-pressure atomizing device for dry preparation of porous microspherical calcium silicate comprises an outer shell 1 and a plurality of mixing bins fixed inside the outer shell 1, the mixing bins are connected by nozzles, the upper end of the outer shell 1 is connected with a feed pipe 2, the feed pipe 2 is communicated with the uppermost mixing bin, a flow meter 3 is connected on the feed pipe 2, the side of each mixing bin is connected with a high-pressure gas inlet, a valve is connected on the high-pressure gas inlet, a nozzle is connected below the lowermost mixing bin, a spray piece 18, an E-shaped rotary piece 19, a nozzle blind piece 20 and an atomizing hood 21 are connected below the nozzle in sequence, a sealing element 22 is fixed above the spray piece 18, and the sealing element 22 is fixed on the outer ring of the third nozzle 15 by a fixed nut 17.

[0016] The mixing bins are composed of a first mixing bin 4, a second mixing bin 8 and a third mixing bin 12, the side of the first mixing bin 4 is connected with a first valve 5 and a first high-pressure gas inlet 6, the side of the second mixing bin 8 is connected with a second valve 9 and a second high-pressure gas inlet 10, the side of the third mixing bin 12 is connected with a third valve 13 and a third high-pressure gas inlet 14, a first nozzle 7 is connected between the first mixing bin 4 and the second mixing bin 8, and a second nozzle 11 is connected between the second mixing bin 8 and the third mixing bin 12.

[0017] The inner wall of the shell body 1 is fixed with a support table 16, and the mixing bin at the lowermost layer is fixed above the support table 16.

[0018] In the embodiment, the atomizing hood 21 is a universal atomizing hood, and the atomizing direction can be adjusted.

[0019] In the embodiment, three mixing bins are arranged, and separate control valves are arranged for controlling the three mixing bins, and the high-pressure gas source can be introduced into the mixing bin by opening the corresponding valve, and the gas source can be reduced by closing the valve, so as to adjust the pressure.

[0020] The utility model discloses a plurality of mixing bins are arranged, and the nozzles are connected in series, and the valves controlled separately are arranged on the side of the mixing bin, so that the spray pressure and the spray chamber can be adjusted flexibly, the use requirement of various grades of atomization can be met, and the particle size of the porous microspherical calcium silicate can be controlled.

[0021] In the description of the utility model, it is understood that the orientation or position relationship of the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, so it cannot be understood as a limitation of the utility model.

[0022] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so the features with "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0023] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fix", "screw joint" and so on term should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can indirectly connect through the intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill in the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0024] In conclusion, only for the preferred embodiment of the utility model, and not to limit the scope of the utility model implementation, all equivalent changes and modifications of the shape, structure, features and spirit described in the utility model claim range should be included in the utility model claim range.

Claims

1. A high pressure atomization device for dry preparation of porous microspheres of calcium silicate, characterized in that: The utility model relates to a kind of multi-mixing warehouse, including outer shell (1) and fixed in the several mixing warehouse of outer shell (1) inside, the mixing warehouse is connected by nozzle between, the upper end of the outer shell (1) is connected with feed pipe (2), the feed pipe (2) is communicated with the mixing warehouse of uppermost end, flowmeter (3) is connected on the feed pipe (2), the side of the mixing warehouse is connected with high-pressure gas source import, valve is connected on the high-pressure gas source import, the lower of lowermost mixing warehouse is connected with nozzle, the nozzle is sequentially connected with spray piece (18), E type rotary vane (19), nozzle blind piece (20) and atomizing cap (21) below, the upper of spray piece (18) is fixed with sealing element (22), sealing element (22) is fixed in the outer ring of third nozzle (15) by fixed nut (17).

2. A high pressure atomization device for dry process of porous microspheres of calcium silicate according to claim 1, characterized in that: The mixing warehouse is composed of first mixing warehouse (4), second mixing warehouse (8) and third mixing warehouse (12), the side of the first mixing warehouse (4) is connected with first valve (5) and first high-pressure gas source import (6), the side of the second mixing warehouse (8) is connected with second valve (9) and second high-pressure gas source import (10), the side of the third mixing warehouse (12) is connected with third valve (13) and third high-pressure gas source import (14), first nozzle (7) is connected between the first mixing warehouse (4) and second mixing warehouse (8), second nozzle (11) is connected between the second mixing warehouse (8) and third mixing warehouse (12).

3. The high pressure atomization device for dry preparation of porous microspherical calcium silicate according to claim 1, characterized in that: The inner wall of the outer shell (1) is fixed with support table (16), the mixing warehouse located in the lowermost layer is fixed above the support table (16).

4. The high pressure atomization device for dry preparation of porous microspherical calcium silicate according to claim 1, characterized in that: The atomizing cap (21) is universal atomizing cap.

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