Anti-blocking spray drying equipment

Abstract

The utility model discloses anti-blocking type spray drying equipment, which relates to the technical field of spray drying and comprises a gas-liquid mixing pipe, a bottom blowing gas inlet pipe is arranged in the gas-liquid mixing pipe, a first outer cylinder is sleeved on the outer side of the circumferential angle of the gas-liquid mixing pipe, a second outer cylinder is arranged at one end of the first outer cylinder, and a gas outlet pipe is arranged at the other end of the second outer cylinder. A slurry inlet pipe is arranged outside the first outer cylinder, and a side-blowing air inlet pipe is arranged outside the second outer cylinder. The bottom-blowing air inlet pipe is arranged inside the gas-liquid mixing pipe, and the side-blowing air inlet pipe is additionally arranged outside the gas-liquid mixing pipe, so that multi-directional air flow is formed to spray and mix materials, the uniformity of gas-liquid mixing is greatly improved, the blockage at the inlet of the material nozzle is effectively avoided, and meanwhile, the gas-liquid mixing efficiency is improved. And a plurality of red copper pads are additionally arranged among the material nozzle inlet, the first outer cylinder, the second outer cylinder and the head nozzle, so that the sealing performance of the equipment is improved, and the blockage problem caused by material or gas leakage is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spray drying technical field, concretely related to a kind of anti-blocking spray drying equipment. BACKGROUND

[0002] The atomizer undertakes the key task of atomizing liquid material into fine particles by high-pressure airflow or mechanical action. These fine mist droplets can quickly contact hot air after being sprayed into the drying chamber to complete the drying process. The performance of the atomizer not only directly determines the uniformity of the atomized particles, but also significantly affects the drying efficiency and the quality and performance of the final product. Therefore, it is a crucial component in the operation of the spray drying equipment.

[0003] At the material inlet of the atomizer, due to the low speed of the material, the material is prone to particle suspension, deposition, or insufficient gas-liquid mixing, which ultimately leads to blockage at the inlet. In addition, if the cross-sectional design of the material inlet is not reasonable, it will easily cause the material to accumulate at the inlet, exacerbating the blockage phenomenon. After the material is blocked, it will cause the material to fail to enter the atomizing chamber smoothly, directly causing the operating pressure of the pump to rise, increasing the load of the pump, and thus damaging the normal spraying process of the material, making the particle size distribution of the atomized particles uneven, and further affecting the overall effect of spray drying.

[0004] Currently, there is no effective solution to the problems in the related art. SUMMARY

[0005] To overcome the above technical problems existing in the prior art, the utility model provides an anti-blocking spray drying equipment.

[0006] To this end, the utility model adopts the following specific technical solutions:

[0007] An anti-blocking spray drying equipment includes a gas-liquid mixing pipe, a bottom-blowing gas inlet pipe is arranged inside the gas-liquid mixing pipe, a first outer cylinder is sleeved on the outer side of the circumferential angle of the gas-liquid mixing pipe, and a second outer cylinder is arranged at one end of the first outer cylinder.

[0008] Further, to ensure that the material can enter the mixing system stably through the slurry inlet pipe and be distributed uniformly in the airflow, providing a basis for the subsequent drying process, and to significantly improve the uniformity and efficiency of atomization through the side-blowing gas inlet pipe, a slurry inlet pipe is arranged on the outside of the first outer cylinder, and a side-blowing gas inlet pipe is arranged on the outside of the second outer cylinder.

[0009] Further, to optimize the distribution of atomized particles through the head nozzle, further improve the drying efficiency and product quality, the second outer cylinder is provided with a head nozzle at the end away from the first outer cylinder.

[0010] Further, in order to effectively reduce the accumulation and blockage of the material at the inlet of the material nozzle inlet, enhance the sealing performance by the gasket, and further prevent the airflow turbulence and material blockage caused by leakage, one end of the gas-liquid mixing pipe is provided with the material nozzle inlet, one end of the material nozzle inlet is provided with the gasket, and the end of the gasket away from the material nozzle inlet is provided with the side-blowing spiral short section.

[0011] Further, in order to increase the copper gasket between the material nozzle inlet, the first outer cylinder, the second outer cylinder and the head nozzle, thereby improving the sealing performance of the equipment, preventing the blockage problem caused by material or gas leakage, the first copper gasket is arranged between the first outer cylinder and the second outer cylinder, the second copper gasket is arranged between the first outer cylinder and the gas-liquid mixing pipe, and the third copper gasket is arranged between the second outer cylinder and the head nozzle.

[0012] The beneficial effects of the utility model are:

[0013] 1、 the utility model discloses a bottom-blowing gas inlet pipe is arranged inside the gas-liquid mixing pipe and the outside is increased side-blowing gas inlet pipe, forms the airflow of multidirectional to material and carries out injection and mixing, improves the uniformity of gas-liquid mixing greatly, effectively avoids the blockage at the inlet of material nozzle, and simultaneously, increases the copper gasket between the material nozzle inlet, the first outer cylinder, the second outer cylinder and the head nozzle, improves the sealing performance of the equipment, prevents the blockage problem caused by material or gas leakage.

[0014] The utility model discloses the airflow path of bottom-blowing gas inlet pipe and side-blowing gas inlet pipe is optimized, combines the flow cross section design of gas-liquid mixing pipe and nozzle part, and the structural performance in atomizer cavity is optimized, thereby effectively improving the flow and quality of compressed air, thereby not only solve the problem that material inlet and nozzle area are easy to block in traditional spray drying equipment, but also significantly enhance the wear resistance and atomization effect of equipment. ACCURATE DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0016] Figure 1 It is a structure schematic diagram of a kind of anti-blocking type spray drying equipment according to the utility model embodiment.

[0017] In the drawing:

[0018] 1, gas-liquid mixing pipe; 2, bottom blowing air inlet pipe; 3, first outer cylinder; 4, second outer cylinder; 5, pulp inlet pipe; 6, side blowing air inlet pipe; 7, head nozzle; 8, material nozzle inlet; 9, gasket; 10, first red copper gasket; 11, second red copper gasket; 12, third red copper gasket; 13, side blowing spiral short section. DETAILED DESCRIPTION

[0019] To further illustrate the embodiments, the utility model provides the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the related description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0020] According to the embodiment of the utility model, a kind of anti-blocking spray drying equipment is provided.

[0021] The utility model is further illustrated by combining with the specific embodiment and the drawing, as shown in Figure 1 The anti-blocking spray drying equipment according to the embodiment of the utility model includes gas-liquid mixing pipe 1, the inside of gas-liquid mixing pipe 1 is provided with bottom blowing air inlet pipe 2, the circumferential angle outside of gas-liquid mixing pipe 1 is provided with first outer cylinder 3, and one end of first outer cylinder 3 is provided with second outer cylinder 4.

[0022] By means of the above scheme, the utility model is by being provided with bottom blowing air inlet pipe 2 inside gas-liquid mixing pipe 1 and increasing side blowing air inlet pipe 6 outside, forms multi-direction airflow to spray and mix material, greatly improves the uniformity of gas-liquid mixing, effectively avoids the blockage at material nozzle inlet 8, simultaneously, increases several red copper pads between material nozzle inlet 8, first outer cylinder 3, second outer cylinder 4 and head nozzle 7, improves the sealing performance of equipment, prevents the blockage problem caused by material or gas leakage.

[0023] Specifically, in view of the problem that the material inlet of the atomizer is easy to block, the utility model adjusts the size of the material inlet in the prior art from 6x2x8 to 6x6x6 by analysis and calculation, and polishes the corners of the inlet channel, thereby increasing the size of the material inlet. At the same time, the mass and flow of compressed air are also increased. On this basis, the product quality is ensured, thereby avoiding the blockage problem of the material inlet. In addition, in view of the problem that the atomizer is severely worn, the atomizer nozzle is made of wear-resistant alloy material; the atomizer cavity is divided into three parts from the original two parts, and the material flowing part is made of wear-resistant alloy material.

[0024] In one embodiment, for the first outer cylinder 3, the outside of the first outer cylinder 3 is provided with a slurry inlet pipe 5, and the outside of the second outer cylinder 4 is provided with a side blowing air inlet pipe 6, so that the material can be stably introduced into the mixing system through the slurry inlet pipe 5, and uniformly distributed into the air flow, providing a basis for the subsequent drying process, and significantly improving the uniformity and efficiency of atomization through the side blowing air inlet pipe 6.

[0025] In one embodiment, for the second outer cylinder 4, the end of the second outer cylinder 4 away from the first outer cylinder 3 is provided with a head nozzle 7, so that the distribution of atomized particles is optimized through the head nozzle 7, further improving the drying efficiency and product quality.

[0026] In one embodiment, for the gas-liquid mixing pipe 1, one end of the gas-liquid mixing pipe 1 is provided with a material nozzle inlet 8, one end of the material nozzle inlet 8 is provided with a gasket 9, and the end of the gasket 9 away from the material nozzle inlet 8 is provided with a side blowing spiral short section 13, so that the accumulation and blockage of the material at the inlet are effectively reduced through the material nozzle inlet 8, and the sealing performance is enhanced through the gasket 9, further preventing the problems of air flow turbulence and material blockage caused by leakage.

[0027] In one embodiment, for the first outer cylinder 3, a first red copper pad 10 is arranged between the first outer cylinder 3 and the second outer cylinder 4, a second red copper pad 11 is arranged between the first outer cylinder 3 and the gas-liquid mixing pipe 1, and a third red copper pad 12 is arranged between the second outer cylinder 4 and the head nozzle 7, so that several red copper pads are arranged between the material nozzle inlet 8, the first outer cylinder 3, the second outer cylinder 4 and the head nozzle 7, thereby improving the sealing performance of the equipment and preventing the blockage problem caused by material or gas leakage.

[0028] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.

[0029] In actual application, first, the multi-directional air flow is formed by the bottom blowing air inlet pipe 2 in the gas-liquid mixing pipe 1 and the side blowing air inlet pipe 6 outside the second outer cylinder 4, and is fully mixed with the slurry entering from the slurry inlet pipe 5, ensuring the uniformity of gas-liquid mixing; the mixed material enters the second outer cylinder 4 through the material nozzle inlet 8, and is atomized and sprayed through the head nozzle 7, completing the drying process; in order to avoid leakage and blockage, gaskets 9 and first, second and third red copper pads 10, 11 and 12 are arranged at the material nozzle inlet 8 and the connecting parts, ensuring the sealing performance and stability of the equipment, and further improving the drying efficiency.

[0030] In summary, by means of the technical scheme of the present application, the bottom blowing air inlet pipe 2 is arranged inside the gas-liquid mixing pipe 1, and the side blowing air inlet pipe 6 is additionally arranged outside, so that the material is sprayed and mixed by multi-directional airflow, the uniformity of gas-liquid mixing is greatly improved, the blockage at the material nozzle inlet 8 is effectively avoided, meanwhile, the several red copper pads are arranged between the material nozzle inlet 8, the first outer cylinder 3, the second outer cylinder 4 and the head nozzle 7, so that the sealing performance of the equipment is improved, and the blockage problem caused by material or gas leakage is prevented; the present application optimizes the airflow path of the bottom blowing air inlet pipe 2 and the side blowing air inlet pipe 6, combines the flow cross section design of the gas-liquid mixing pipe 1 and the nozzle part, optimizes the structural performance inside the atomizer cavity, so that the flow and quality of the compressed air are effectively improved, so that not only the problem of easy blockage of the material inlet and the nozzle area in the traditional spray drying equipment is solved, but also the wear resistance and the atomization effect of the equipment are significantly enhanced.

[0031] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "arrangement", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application according to the specific circumstances.

[0032] The above only describes the preferred embodiments of the present application and should not be used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A clog-resistant spray drying device, comprising a gas-liquid mixing pipe (1), characterized in that, The gas-liquid mixing pipe (1) is provided with a bottom blowing air inlet pipe (2) inside. A first outer cylinder (3) is sleeved on the outer side of the circumferential corner of the gas-liquid mixing pipe (1). A second outer cylinder (4) is provided at one end of the first outer cylinder (3).

2. The anti-clogging spray drying equipment according to claim 1, characterized in that, The first outer cylinder (3) is provided with a slurry inlet pipe (5), and the second outer cylinder (4) is provided with a side-blowing air inlet pipe (6).

3. The anti-clogging spray drying equipment according to claim 1, characterized in that, The second outer cylinder (4) is provided with a head nozzle (7) at the end away from the first outer cylinder (3).

4. The anti-clogging spray drying equipment according to claim 1, characterized in that, One end of the gas-liquid mixing pipe (1) is provided with a material nozzle inlet (8), and one end of the material nozzle inlet (8) is provided with a gasket (9), and the end of the gasket (9) away from the material nozzle inlet (8) is provided with a side-blowing spiral section (13).

5. The anti-clogging spray drying equipment according to claim 1, characterized in that, A first copper pad (10) is provided between the first outer cylinder (3) and the second outer cylinder (4).

6. The anti-clogging spray drying equipment according to claim 1, characterized in that, A second copper gasket (11) is provided between the first outer cylinder (3) and the gas-liquid mixing pipe (1).

7. The anti-clogging spray drying equipment according to claim 3, characterized in that, A third copper pad (12) is provided between the second outer cylinder (4) and the head nozzle (7).

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