Anti-crystallization spraying and flushing device for air draft duct

By installing a spray device inside the exhaust duct, using fan-shaped nozzles to melt crystals, and combining this with the design of baffles and guide plates, the problems of alkaline crystals affecting the exhaust effect and hot water contaminating the tank are solved, achieving a safe and reliable cleaning effect.

CN223847683UActive Publication Date: 2026-01-30SHANGHAI FUCHUAN AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202520042332.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2026-01-30
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

In existing tank-type cleaning equipment, alkaline solutions tend to crystallize on the inner wall of the exhaust duct, affecting the exhaust effect and posing safety hazards. At the same time, hot water may enter the tank and cause pollution.

Method used

Design a ventilation duct anti-crystallization spray rinsing device, which uses fan-shaped nozzles to spray hot water downwards to melt crystals, and uses baffles and guide plates to prevent hot water from entering the tank. Combined with pneumatic and manual control valves, it ensures effective cleaning and drainage.

Benefits of technology

It effectively melts alkali crystals in the air duct, prevents hot water from dripping into the tank, and ensures the normal operation of the exhaust duct and the safety of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-crystallization spray flushing device for an air draft duct, which comprises an air duct arranged in a rack, a plurality of air valves arranged on the air duct at intervals, an air inlet positioned below the air valves arranged on the air duct, a water baffle arranged on the air inlet, a nozzle arranged below each air valve, and a water outlet arranged below each nozzle. The nozzle is located above the air inlet and faces the air channel, and the flow direction of hot water sprayed out of the nozzle is opposite to the flow direction of airflow in the air channel. According to the anti-crystallization spraying and flushing device for the air draft duct, alkali crystals in the air duct can be melted, and hot water is effectively prevented from dripping into the tank body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic equipment technical field especially relates to a kind of pumping air duct anti-crystallization spray flushing device. BACKGROUND

[0002] The tank type cleaning and texturing equipment is based on the reaction principle of alkaline solution and silicon wafer to clean and texturing, wherein, hydrogen gas is generated in the reaction process of alkaline solution and silicon wafer; the tank body of part of process tank in the tank type cleaning and texturing equipment needs heating, and a large amount of steam is generated due to heating; at the same time, part of acid or alkali volatilizes and spills out under high temperature environment, which harms human body and corrodes equipment, therefore, the existing tank type cleaning and texturing equipment is provided with an air extraction duct on the top, and the air extraction duct meets the unified treatment of waste gas such as acid and alkali by air extraction.

[0003] However, alkaline solution is easy to form crystallization on the inner wall of the air extraction duct, and too much crystallization affects the air extraction effect, and the alkali crystallization is flammable, which has safety hazards. The existing flushing device directly sprays hot water in the air duct, which may cause hot water to enter the tank through the air port on the air duct. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that the utility model provides a kind of pumping air duct anti-crystallization spray flushing device, which can melt the alkali crystallization in the air duct and effectively prevent hot water from dropping into the tank body.

[0005] The utility model adopts the technical scheme that a kind of pumping air duct anti-crystallization spray flushing device, including the air duct in rack, multiple air valves are arranged at intervals on the air duct, the air inlet below the air valve is arranged on the air duct, the water baffle is arranged on the air inlet, the nozzle is arranged below each air valve, the nozzle is located above the air inlet and faces the air duct, and the flow direction of hot water sprayed from the nozzle is opposite to the flow direction of air flow in the air duct.

[0006] Further, in order to make hot water fully flush the crystallization in the air duct, the nozzle is a fan-shaped nozzle, and the outlet thereof is vertically downward.

[0007] Further, in order to ensure that the gas can smoothly enter the inside of the air duct, the air inlet includes the upper air inlet and the lower air inlet arranged on both sides of the air duct.

[0008] Further, in order to block hot water from entering the tank from the upper air inlet, the upper water baffle is arranged in the air duct, and the upper water baffle is located above the upper air inlet.

[0009] Further, in order to control the air volume in the air duct, the adjustable air inlet baffle is further arranged in the air duct, and the adjustable air inlet baffle is located on the inner side of the upper air inlet.

[0010] Further, in order to prevent hot water from entering the tank from the lower air inlet, a lower water baffle is arranged in the air duct, which is located above the lower air inlet.

[0011] Further, in order to concentrate the sprayed hot water, a guide plate is arranged in the lower part of the air duct, and the bottom of the guide plate is provided with a water drainage pipeline connected with the air duct.

[0012] Further, in order to cover the entire tank with the spraying function, the air valves are uniformly arranged on the air duct.

[0013] Further, in order to communicate between the air ducts, a partition plate is arranged in the air duct, and the partition plate is provided with a through hole.

[0014] Further, in order to automatically control or manually control the nozzle, the nozzle is connected with a hot water main pipeline through a water inlet pipe, the hot water main pipeline is provided with a pneumatic ball valve and a manual ball valve, and the water inlet pipe is provided with a manual control valve for controlling the nozzle.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The air duct anti-crystallization spraying and flushing device, by setting the baffle at the air inlet of the air duct, not only does not affect the exhaust, but also avoids the sprayed hot water from falling into the tank through the air inlet, thereby avoiding the pollution of the tank.

[0017] 2. The air duct anti-crystallization spraying and flushing device, by arranging the water drainage pipeline at the bottom of the air duct, the hot water can be conveniently concentrated and discharged, thereby avoiding the pollution caused by the hot alkaline water remaining in the air duct. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described below in combination with the drawings and examples.

[0019] Figure 1 It is the structure schematic view of the air duct anti-crystallization spraying and flushing device of the utility model;

[0020] Figure 2 It is the front view of Figure 1 ;

[0021] Figure 3 It is the structure schematic view of A-A section in Figure 2 ;

[0022] Figure 4 It is the local structure schematic view of Figure 3 ;

[0023] Figure 5 It is the structure schematic view of B-B section in Figure 2 ;

[0024] Figure 6 is a sectional view of the crystallization-preventing spray flushing device for the air duct;

[0025] Figure 7 is Figure 6 is a sectional view of the D-D profile structure;

[0026] In the figure: 1, air duct, 11, upper air inlet, 12, lower air inlet, 13, upper water baffle, 14, lower water baffle, 15, guide plate, 16, drainage pipeline, 17, adjustable air inlet baffle, 2, partition, 21, through hole, 3, air valve, 4, nozzle, 5, water inlet pipe, 51, manual control valve, 6, hot water main pipeline, 61, pneumatic ball valve, 62, manual ball valve. DETAILED DESCRIPTION

[0027] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the structure related to the utility model.

[0028] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0029] In the description of the utility model, it is to be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] As Figures 1 to 6As shown, a kind of air duct anti-crystallization spray flushing device, including the air duct 1 in the rack, air duct 1 It is equipped with the baffle 2, baffle 2 It is equipped with through-hole 21, air duct 1 It is separated into multiple areas by baffle 2, each area is mutually communicated. Air duct 1 It is equipped with multiple air valves 3 at intervals. Air valve 3 It is located in each area. Air valve 3 It is arranged along the length direction of air duct 1, and air valve 3 It is evenly arranged on air duct 1. In this embodiment, the number of air valve 3 It is 4. In this way, the spray flushing requirement of entire air duct 1 It can be met.

[0031] As Figure 4 , air duct 1 It is equipped with air inlet below air valve 3, air inlet It is equipped with water baffle, and each air valve 3 It is equipped with nozzle 4 below, nozzle 4 It is located above air inlet and is directed to air duct 1, and the flow direction of hot water sprayed from nozzle 4 It is opposite to the flow direction of air flow in air duct 1. Under the action of air valve 3, air enters air duct 1 From the air inlet below. In air duct 1, air flows upwards, and alkaline crystallization is formed by cooling. Nozzle 4 It sprays hot water downwards at the same time, and hot water can melt alkaline crystallization, to realize the cleaning of the inside of air duct 1.

[0032] Nozzle 4 It is sector-shaped nozzle, and its outlet is vertically downward, and the spray range of sector-shaped nozzle can cover air duct 1, and hot water can sufficiently flush the crystallization in air duct 1, to comprehensively clean the inside of air duct 1.

[0033] Air inlet includes upper air inlet 11 and lower air inlet 12 arranged on both sides of air duct 1. Air duct 1 It is equipped with upper water baffle 13, and upper water baffle 13 It is located above upper air inlet 11. Air duct 1 It is also equipped with adjustable air inlet baffle 15, and adjustable air inlet baffle 17 It is located on the inner side of upper air inlet 11, and adjustable air inlet baffle 17 It can control the air volume of upper air inlet 11. Air duct 1 It is equipped with lower water baffle 14, and lower water baffle 14 It is located above lower air inlet 12. By corresponding shielding upper air inlet 11 And lower air inlet 12 by upper water baffle 13 And lower water baffle 14, avoid the hot water sprayed from nozzle 4 From upper air inlet 11 And lower air inlet 12 into the inside of tank body, effectively prevent tank body pollution. At the same time, upper water baffle 13 And lower water baffle 14 Do not affect the air entering the inside of air duct 1, can guarantee the normal exhaust of tank body.

[0034] Air duct 1 Below it has an inclined guide plate 15, and the bottom of guide plate 15 It is equipped with drainage pipeline 16 connected with air duct 1. Hot lye will flow downwards, and under the action of guide plate 15, it is discharged from drainage pipeline 16, to avoid hot lye staying in air duct 1 Cause pollution.

[0035] The nozzle 4 is connected with the hot water main pipeline 6 through the water inlet pipe 5, the hot water main pipeline 6 is provided with a pneumatic ball valve 61 and a manual ball valve 62, and the water inlet pipe 5 is provided with a manual control valve 51 for controlling the nozzle 4. The hot water main pipeline 6 can be controlled through the pneumatic ball valve 61 and the manual ball valve 62, and the position and structure of the water supply part of the hot water main pipeline 6 are not directly related to the application, and thus are not described here, and the hot water main pipeline 6 is not shown in the figure. The manual control valve 51 can realize the individual control of each nozzle 4.

[0036] In summary, the crystallization-preventing spraying and flushing device of the air duct can melt the alkali crystallization in the air duct, and effectively avoid the hot water from dropping into the groove.

[0037] The above-mentioned ideal embodiments of the present application are for inspiration, and through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined by the scope of the claims.

Claims

1. A kind of suction duct anti-crystallization spray flushing device, including the duct (1) in the rack, it is characterized in that, The air duct (1) is provided with a plurality of air valves (3) at intervals, the air duct (1) is provided with an air inlet below the air valve (3), the air inlet is provided with a water baffle, each air valve (3) is provided with a nozzle (4) below, the nozzle (4) is above the air inlet and faces the air duct (1), and the flow direction of the hot water sprayed from the nozzle (4) is opposite to the flow direction of the air flow in the air duct (1).

2. The anti-crystallization spray washing device of the air extraction duct according to claim 1, characterized in that, The nozzle (4) is a fan-shaped nozzle, and the outlet thereof is vertically downward.

3. The anti-crystallization spray washing device of the air extraction duct according to claim 1, characterized in that, The air inlet comprises an upper air inlet (11) and a lower air inlet (12) provided on both sides of the air duct (1).

4. The anti-crystallization spray washing device of the air extraction duct according to claim 3, characterized in that, The air duct (1) is provided with an upper water baffle (13) above the upper air inlet (11).

5. The anti-crystallization spray washing device of the exhaust duct according to claim 4, characterized in that, The air duct (1) is further provided with an adjustable air inlet baffle (17) on the inner side of the upper air inlet (11).

6. The anti-crystallization spray washing device of the exhaust duct according to claim 3, characterized in that, The air duct (1) is provided with a lower water baffle (14) above the lower air inlet (12).

7. The anti-crystallization spray washing device of the exhaust duct according to claim 5, characterized in that, The air duct (1) is provided with an inclined guide plate (15) below, and the bottom of the guide plate (15) is provided with a drainage pipeline (16) connected with the air duct (1).

8. The anti-crystallization spray washing device of the air extraction duct according to claim 1, characterized in that, The air valves (3) are uniformly arranged on the air duct (1) at intervals.

9. The anti-crystallization spray washing device of the air extraction duct according to claim 7, characterized in that, The air duct (1) is provided with a partition plate (2), and the partition plate (2) is provided with a through hole (21).

10. The anti-crystallization spray washing device of the extraction flue according to claim 1, characterized in that, The nozzle (4) is connected with a hot water main pipeline (6) through a water inlet pipe (5), the hot water main pipeline (6) is provided with a pneumatic ball valve (61) and a manual ball valve (62), and the water inlet pipe (5) is provided with a manual control valve (51) for controlling the nozzle.