阅读说明：本技术 一种雾化过程中实现液雾分解的装置及方法 (Device and method for realizing liquid mist decomposition in atomization process ) 是由 齐永锋 赵凌志 王妹婷 单小伟 葛攀乐 于 2020-05-20 设计创作，主要内容包括：一种雾化过程中实现液雾分解的装置及方法,该装置包括超声波雾化承载装置、二次雾化装置、紫外线辐照装置,所述超声波雾化承载装置包括超声波雾化装置、雾化承载外壳,所述超声波雾化装置、二次雾化装置位于所述雾化承载外壳内,且所述二次雾化装置位于所述超声波雾化装置上方,所述紫外线辐照装置与所述二次雾化装置的出口连通。本发明操作原理清晰,有较高的市场实施可能性和经济效益,利用超声波雾化承载装置和二次雾化装置雾化溶液,使其雾化成小液滴,利用紫外线辐照装置将雾化后的液滴中化学物质分解。(The device comprises an ultrasonic atomization bearing device, a secondary atomization device and an ultraviolet irradiation device, wherein the ultrasonic atomization bearing device comprises an ultrasonic atomization device and an atomization bearing shell, the ultrasonic atomization device and the secondary atomization device are positioned in the atomization bearing shell, the secondary atomization device is positioned above the ultrasonic atomization device, and the ultraviolet irradiation device is communicated with an outlet of the secondary atomization device. The invention has clear operation principle and higher market implementation possibility and economic benefit, utilizes the ultrasonic atomization bearing device and the secondary atomization device to atomize the solution into small droplets, and utilizes the ultraviolet irradiation device to decompose chemical substances in the atomized droplets.)

1. The utility model provides an atomizing in-process realizes device that liquid fog decomposes, its characterized in that, the device include that ultrasonic atomization bears device, secondary atomizing device, ultraviolet irradiation device, ultrasonic atomization bears the device and includes that ultrasonic atomization device, atomizing bear the shell, ultrasonic atomization device, secondary atomizing device are located the atomizing bears in the shell, just secondary atomizing device is located ultrasonic atomization device top, ultraviolet irradiation device with secondary atomizing device's export intercommunication.

2. The device for realizing liquid mist decomposition in the atomization process according to claim 1, wherein the ultrasonic atomization carrying device further comprises a liquid level detection and adjustment device, the liquid level detection and adjustment device comprises a liquid storage bottle, a liquid inlet pipe and a liquid storage tank which are sequentially connected, the liquid storage tank is positioned in the atomization carrying shell, a liquid level sensor is arranged in the liquid storage tank, and a valve and a flowmeter are arranged on the liquid inlet pipe.

3. The device for realizing liquid mist decomposition in the atomization process according to claim 2, wherein a constant temperature water bath is arranged on the periphery of the liquid storage tank, a thermocouple is arranged in the constant temperature water bath, and a temperature controller is externally connected with the thermocouple.

4. The device for realizing the decomposition of the liquid mist in the atomization process according to the claim 1 or 2, characterized in that the atomization bearing shell is ellipsoidal, and the outer part of the atomization bearing shell is provided with a rotatable nozzle shell device, and the rotatable nozzle shell device comprises a rotatable spherical metal nozzle shell, a rotatable hollow shaft and a bearing; the rotatable spherical metal nozzle shell is positioned outside the atomization bearing shell, a cavity is reserved between the rotatable spherical metal nozzle shell and the atomization bearing shell, the rotating hollow shaft penetrates through the rotatable spherical metal nozzle shell in the radial direction and is fixed with the rotatable spherical metal nozzle shell, and the rotating hollow shaft is connected with the atomization bearing shell through the bearing.

5. The device for realizing the decomposition of the liquid mist in the atomization process according to claim 4, wherein the part of the ultrasonic atomization bearing device, which is positioned below the liquid storage tank, is an iron block, and when the rotatable ball-type metal nozzle shell rotates, the ultrasonic atomization bearing device has the gravity self-adjusting capability.

6. The device for realizing liquid mist decomposition in the atomization process according to claim 1 or 5, wherein the ultrasonic atomization device comprises an ultrasonic external expansion shell, an ultrasonic atomization sheet and a power generator; the ultrasonic external expansion shell is in a horn shape with a big head and a small tail, the tail of the ultrasonic external expansion shell is embedded with the ultrasonic atomization sheet, and the generator generates electricity and converts the electric energy into ultrasonic energy through the ultrasonic atomization sheet, so that liquid in the liquid storage tank is atomized ultrasonically.

7. The device for realizing liquid mist decomposition in the atomization process according to claim 6, wherein the ultrasonic atomization plates are divided into two groups, each group comprises two ultrasonic atomization plates with the same power, and the two ultrasonic atomization plates in the same group are inclined and arranged oppositely.

8. The device for realizing liquid mist decomposition in the atomization process according to claim 5, wherein the secondary atomization device comprises a blade, a motor and a Y-shaped channel, the blade is in a corrugated shape and comprises a first blade and a second blade; the blade one is located ultrasonic atomization bears device top, and with motor drive is connected, blade two is installed at Y type passageway cavity interior bifurcation department, the both ends of Y type passageway are down, and the other end communicates rotatable spherical metal nozzle shell and atomizes and bears the cavity between the shell.

9. The device for realizing liquid mist decomposition in the atomization process according to claim 8, wherein the ultraviolet irradiation device comprises an ultraviolet lamp tube and an ultraviolet excitation tube; the ultraviolet excitation tube is a hollow cylinder formed by an outer cylinder and an inner cylinder and is made of a light-reflecting material, a cavity is formed between the outer cylinder and the inner cylinder, the top of the cavity is closed, and the bottom of the cavity is communicated with the cavity between the rotatable spherical metal nozzle shell and the atomization bearing shell; the inner cylinder surface is distributed with uniform small holes to discharge atomized liquid drops containing decomposition products, and the ultraviolet lamp tubes are uniformly and alternately arranged on the inner side of the outer cylinder and the inner side of the inner cylinder.

10. A method for realizing liquid mist decomposition in an atomization process is characterized by comprising the following steps:

(1) the liquid to be atomized enters a liquid storage tank of the liquid level detection and adjustment device from a liquid inlet pipe under the control of a flowmeter and is changed into atomized liquid drops through the ultrasonic atomization action of an ultrasonic atomization device;

(2) after the atomized liquid drops and the water column excited by the ultrasonic atomization device come out from the upper end of the liquid level of the liquid storage tank, the atomized liquid drops and the water column impact on a first corrugated blade suspended above the liquid level of the liquid storage tank and are scattered into atomized liquid drops with smaller particle size;

(3) the scattered atomized liquid drops enter from the head end of a Y-shaped channel in the secondary atomization device, impact on a second corrugated blade at the branch position in the cavity of the Y-shaped channel and are further atomized;

(4) the atomized liquid drops are excited and decomposed by the ultraviolet lamp tube in the ultraviolet excitation tube, and the atomized liquid drops containing the decomposition products are sprayed out from the outlet of the ultraviolet excitation tube.

Technical Field

The invention belongs to the field of chemical engineering, and particularly relates to a device and a method for realizing liquid mist decomposition in an atomization process.

Background

The fields of chemical engineering, biology and the like often involve processes that require the decomposition of chemical substances in solution, and it is desirable to spray solutions containing decomposition products in the form of liquid mist into certain devices. In addition, the decomposition process and the direction of the decomposition reaction are influenced by various factors, and how to maximize the yield of the desired product is a difficult problem which always troubles the related industries.

At present, a device and a method for realizing liquid mist decomposition in a simple and feasible atomization process are lacked, and related technical publications are not found in the prior art.

Disclosure of Invention

The present invention is directed to a device and a method for decomposing liquid mist during atomization, so as to solve the problems mentioned above.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a device for realizing liquid mist decomposition in an atomization process, which is characterized by comprising an ultrasonic atomization bearing device, a secondary atomization device and an ultraviolet irradiation device, wherein the ultrasonic atomization bearing device comprises an ultrasonic atomization device and an atomization bearing shell, the ultrasonic atomization device and the secondary atomization device are positioned in the atomization bearing shell, the secondary atomization device is positioned above the ultrasonic atomization device, and the ultraviolet irradiation device is communicated with an outlet of the secondary atomization device.

Preferably, the ultrasonic atomization bearing device further comprises a liquid level detection and adjustment device, the liquid level detection and adjustment device comprises a liquid storage bottle, a liquid inlet pipe and a liquid storage tank which are connected in sequence, the liquid storage tank is located in the atomization bearing shell, a liquid level sensor is arranged in the atomization bearing shell, and a valve and a flowmeter are arranged on the liquid inlet pipe. When the liquid level in the liquid storage tank is lower than the set value of the liquid level sensor, the liquid inlet pipe is controlled by the flowmeter to automatically supplement liquid, so that the atomization efficiency is ensured not to be reduced along with the reduction of the liquid level.

Preferably, the periphery of the liquid storage tank is provided with a constant-temperature water bath to prevent the liquid to be atomized from being heated and denatured due to the action of the ultrasonic atomization device, a thermocouple is arranged in the constant-temperature water bath, and a temperature controller is externally connected with the thermocouple.

Preferably, the atomization bearing shell is ellipsoidal, a rotatable nozzle shell device is arranged outside the atomization bearing shell, and the rotatable nozzle shell device comprises a rotatable spherical metal nozzle shell, a rotatable hollow shaft and a bearing; the rotatable spherical metal nozzle shell is positioned outside the atomization bearing shell, a cavity is reserved between the rotatable spherical metal nozzle shell and the atomization bearing shell, the rotating hollow shaft penetrates through the rotatable spherical metal nozzle shell in the radial direction and is fixed with the rotatable spherical metal nozzle shell, and the rotating hollow shaft is connected with the atomization bearing shell through the bearing.

Preferably, the part of the ultrasonic atomization bearing device, which is positioned below the liquid storage tank, is an iron block, and when the rotatable spherical metal nozzle shell rotates, the ultrasonic atomization bearing device has the gravity self-adjusting capacity.

Preferably, the ultrasonic atomization device comprises an ultrasonic external expansion shell, an ultrasonic atomization sheet and a generator; the ultrasonic external expansion shell is in a horn shape with a big head and a small tail, the tail of the ultrasonic external expansion shell is embedded with the ultrasonic atomization sheet, and the generator generates electricity and converts the electric energy into ultrasonic energy through the ultrasonic atomization sheet, so that liquid in the liquid storage tank is atomized ultrasonically.

Preferably, the ultrasonic atomization pieces are divided into two groups, each group has two ultrasonic atomization pieces with the same power, and the two ultrasonic atomization pieces in the same group are inclined and arranged oppositely.

Preferably, the secondary atomization device comprises a blade, a motor shaft, a motor and a Y-shaped channel, wherein the blade is in a corrugated shape and comprises a first blade and a second blade; the blade one is located ultrasonic atomization bears device top, and with motor drive is connected, blade two is installed at Y type passageway cavity interior bifurcation department, the both ends of Y type passageway are down, and the other end communicates rotatable spherical metal nozzle shell and atomizes and bears the cavity between the shell. The corrugated blade can increase the contact area with atomized liquid drops and better decompose liquid mist.

The water column that ultrasonic atomization device arouses strikes become the less atomized liquid drop of particle diameter on the blade one, with the primary atomized liquid drop that ultrasonic atomization device atomized is inhaled Y type passageway together at a high speed, and the department further breaks up the atomized liquid drop through striking blade two in the middle of the Y type passageway. The atomized liquid drops which are further atomized are sprayed out from an outlet of an ultraviolet excitation tube on the rotatable spherical metal nozzle shell.

Preferably, the ultraviolet irradiation device comprises an ultraviolet lamp tube and an ultraviolet excitation tube; the ultraviolet excitation tube is a hollow cylinder formed by an outer cylinder and an inner cylinder and is made of a light-reflecting material, a cavity is formed between the outer cylinder and the inner cylinder, the top of the cavity is closed, and the bottom of the cavity is communicated with the cavity between the rotatable spherical metal nozzle shell and the atomization bearing shell; the inner cylinder surface is distributed with uniform small holes to discharge atomized liquid drops containing decomposition products, and the ultraviolet lamp tubes are uniformly and alternately arranged on the inner side of the outer cylinder and the inner side of the inner cylinder.

The second purpose of the invention is to provide a method for realizing liquid mist decomposition in the atomization process, which is characterized by comprising the following steps:

(1) the liquid to be atomized enters a liquid storage tank of the liquid level detection and adjustment device from a liquid inlet pipe under the control of a flowmeter and is changed into atomized liquid drops through the ultrasonic atomization action of an ultrasonic atomization device;

(2) after the atomized liquid drops and a water column excited by the ultrasonic atomization device come out from the upper end of the liquid level of the liquid storage tank, the atomized liquid drops and the water column firstly impact on a first corrugated blade suspended above the liquid level of the liquid storage tank and are scattered into atomized liquid drops with smaller particle size;

(3) the scattered atomized liquid drops enter from the head end of a Y-shaped channel in the secondary atomization device and impact on a second corrugated blade in the middle of the Y-shaped channel to be further atomized;

(4) the atomized liquid drops are excited and decomposed by the ultraviolet lamp tube in the ultraviolet excitation tube, and the atomized liquid drops containing the decomposition products are sprayed out from the outlet of the ultraviolet excitation tube.

The invention has clear operation principle and higher market implementation possibility and economic benefit, and specifically comprises the following steps:

firstly, atomizing a solution by using an ultrasonic atomization bearing device and a secondary atomization device to form small droplets;

secondly, decomposing chemical substances in the atomized liquid drops by using an ultraviolet irradiation device.

Drawings

FIG. 1 is a schematic structural view of an apparatus for decomposing liquid mist during atomization;

FIG. 2 is a schematic view of a liquid level detecting and adjusting device;

FIG. 3 is a partial view of the rotary hollow shaft in connection with the atomizing carrier housing and the rotatable ball-type metal nozzle housing;

FIG. 4 is a schematic view of the structure of the ultraviolet irradiation apparatus;

FIG. 5 is a top view of the liquid level detection and adjustment device;

FIG. 6 is a schematic view of an ultrasonic atomizing apparatus;

in the figure: 1.1 a-ultrasonic external expanding shell, 1.1 b-ultrasonic atomizing sheet, 1.1 c-generator, 1.2 a-liquid inlet pipe, 1.2a 1-liquid storage bottle, 1.2 b-valve, 1.2 c-flowmeter, 1.2 d-liquid level sensor, 1.2 e-liquid storage tank, 1.2e 1-concave groove, 1.2 f-partition board, 1.2 g-constant temperature water bath, 1.2g 1-thermocouple, 1.2g 2-temperature controller, 1.3-atomizing bearing shell, 2a 1-first blade, 2a 2-second blade, 2 b-motor shaft, 2 c-motor, 2 d-Y-type channel, 3 a-rotatable spherical metal nozzle shell, 3 b-rotary hollow shaft, 3 c-bearing, 4 a-ultraviolet lamp tube, 4b 1-inner cylinder, 4b 2-cylinder, 5-computer.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

The device for realizing liquid mist decomposition in the atomization process comprises an ultrasonic atomization bearing device, a secondary atomization device, a rotatable nozzle shell device, an ultraviolet irradiation device and a computer 5.

1. Ultrasonic atomization bearing device

The ultrasonic atomization bearing device comprises an ultrasonic atomization device, a liquid level detection and adjustment device and an atomization bearing shell 1.3.

The liquid level detection and regulation device specifically comprises a liquid inlet pipe 1.2a, a valve 1.2b, a flowmeter 1.2c, a liquid level sensor 1.2d, a liquid storage tank 1.2e, a partition plate 1.2f, a concave groove 1.2e1, a constant-temperature water bath 1.2g, a thermocouple 1.2g1 and a temperature controller 1.2g 2. The liquid to be atomized enters the liquid storage tank 1.2e from the liquid inlet pipe 1.2a under the control of the flowmeter 1.2 c. A plurality of partition plates can be arranged in the liquid storage tank 1.2e, the partition plates are fixed in the liquid storage tank through a concave groove 1.2e1 at the bottom of the liquid storage tank, the partition plates 1.2f divide the liquid storage tank 1.2e into a plurality of clamping grooves, and multiple kinds of liquid can be atomized at the same time without premixing. And a layer of constant temperature water bath 1.2g is arranged between the outside of the liquid storage tank 1.2e and the atomization bearing shell 1.3, and the constant temperature water bath is kept at normal temperature so as to prevent the liquid to be atomized from being heated and denatured due to the action of the ultrasonic atomization device. When the liquid level in the liquid storage tank is lower than the set value of the liquid level sensor, the liquid inlet pipe is controlled by the flowmeter to automatically supplement liquid, so that the atomization efficiency is ensured not to be reduced along with the reduction of the liquid level. The liquid level sensor and the thermocouple can be respectively connected with a computer through signals, and the computer respectively controls the working states of the flowmeter and the temperature controller.

The ultrasonic atomization device comprises an ultrasonic outer expanding shell 1.1a, an ultrasonic atomization sheet 1.1b and a generator 1.1 c. The tail part of the ultrasonic outer expanding shell 1.1a is embedded with the ultrasonic atomizing sheet 1.1 b. The shape of the ultrasonic outer expanding shell 1.1a is a horn shape with a big head and a small tail, the diameter of the head is 20-25mm, the diameter of the tail is 15-20mm, and the oblique length is 3.5-6mm, so that the transmission of ultrasonic is increased, and the ultrasonic intensity is improved. The ultrasonic atomization pieces 1.1b are divided into two groups, the distance between every two ultrasonic atomization pieces 1.1b with the same power in each group in the horizontal direction is 15-20mm, the vertical bisector of every two ultrasonic atomization pieces 1.1b with the same power in each group in the horizontal direction is taken as a base line, and the two ultrasonic atomization pieces 1.1b incline to the base line by 10-15 degrees and are arranged at the bottom of the liquid storage tank 1.2 e. Not only can let the ultrasonic wave superpose, increase amplitude, and then improve ultrasonic atomization effect, can increase ultrasonic wave stack cross section moreover to the stack that the ultrasonic wave was stabilized to the stack time that increases to last. The generator 1.1c generates electricity, electric energy is converted into ultrasonic energy through the ultrasonic atomization sheet 1.1b, ultrasonic waves are concentrated to act on the liquid level above the liquid storage tank 1.2e through the ultrasonic outward expansion shell 1.1a, and the liquid level is violently vibrated by high-frequency resonance of the ultrasonic atomization sheet 1.1b to generate atomized liquid drops. The atomized liquid drops and the water column excited by the ultrasonic atomization device come out from the upper end of the liquid level of the liquid storage tank 1.2 e.

2. Secondary atomization device

The secondary atomization device comprises blades, a motor shaft, a motor and a Y-shaped channel, wherein the blades are corrugated and comprise a first blade and a second blade. Corrugated shape blade one 2a1 passes through motor shaft 2b with motor 2c links to each other, motor 2c installs at the secondary atomizing device afterbody, the water column that ultrasonic atomization device arouses becomes the less atomized liquid drop of particle diameter after striking blade one 2a1 of top, with the primary atomized liquid drop that ultrasonic atomization device atomized gets into Y type passageway 2d together, and the atomized liquid drop is further broken up through striking two 2a2 in the middle of Y type passageway 2 d. The atomized liquid drops which are further atomized are sprayed out from an ultraviolet excitation nozzle on the rotatable spherical metal nozzle shell 3 a. The corrugated blade can increase the contact area with atomized liquid drops and better decompose liquid mist.

3. Rotatable nozzle housing arrangement

The rotatable nozzle shell device comprises a rotatable ball-type metal nozzle shell 3a, a rotating hollow shaft 3b and a bearing 3 c. The rotary hollow shaft 3b penetrates through the rotary spherical metal nozzle shell 3a in the radial direction and is fixed with the rotary spherical metal nozzle shell 3 a. The rotating hollow shaft 3b is connected with the bearing 3c, and the bearing 3c is connected with the atomization bearing shell 1.3. The liquid inlet pipe 1.2a is axially arranged in the rotary hollow shaft 3b and extends to the upper part of the liquid storage tank.

The part of the ultrasonic atomization bearing device, which is positioned below the liquid storage tank, is an iron block, and the weight of the iron block is far larger than the sum of the weights of the liquid level detection and adjustment device and the secondary atomization device, so that when the rotatable nozzle shell device rotates, the atomization bearing shell 1.3 is kept still due to the gravity self-adjustment function of the atomization bearing shell.

4. Ultraviolet irradiation device

The ultraviolet irradiation device comprises an ultraviolet lamp tube 4a and an ultraviolet excitation tube. The ultraviolet excitation tube comprises an outer cylinder 4b1 and an inner cylinder 4b2 and is made of light-reflecting materials, and the top of the outer cylinder 4b1 is connected with the top of the inner cylinder 4b2, so that the contact reaction time of atomized liquid drops and ultraviolet rays can be prolonged. The inner cylinder 4b2 has uniformly distributed small holes in its surface to discharge atomized droplets containing decomposition products. The ultraviolet lamp tubes 4a are uniformly and alternately arranged on the inner sides of the two concentric cylinders of the ultraviolet excitation tube. The ultraviolet ray excitation tubes are disposed at both sides of the rotatable ball-type metal nozzle housing 3a and are rotated together with the rotatable ball-type metal nozzle housing 3a through the rotating hollow shaft 3 b.

5. The steps for realizing liquid mist decomposition in the atomization process are as follows:

(1) the liquid to be atomized enters a liquid storage tank 1.2e of the liquid level detection and adjustment device from a liquid inlet pipe 1.2a under the control of a flowmeter 1.2c, and atomized liquid drops are formed through the ultrasonic atomization action of an ultrasonic atomization device;

(2) after the atomized liquid drops and the water column excited by the ultrasonic atomization device come out from the upper end of the liquid level of the liquid storage tank 1.2e, the atomized liquid drops and the water column impact on a first blade 2a1 suspended at the upper end of the liquid level of the liquid storage tank 1.2e and are scattered into atomized liquid drops with smaller particle size;

(3) the scattered atomized liquid drops enter from the head end of a Y-shaped channel 2d in the secondary atomization device and impact on a second blade 2a2 in the middle of the Y-shaped channel 2d to further realize atomization;

(4) the atomized liquid droplets further atomized are excited by the ultraviolet lamp tube 4a in the ultraviolet excitation tube to be decomposed. Atomized droplets containing the decomposition products are ejected from the outlet of the ultraviolet excitation tube.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.