CN219797251U - Anticorrosive water conservancy diversion structure of chimney inner wall - Google Patents

Abstract

The utility model discloses an anti-corrosion flow guiding structure for the inner wall of a chimney, which comprises a plurality of flow guiding units which are connected to the inner wall of the chimney and are arranged up and down, wherein each flow guiding unit comprises an arc-shaped flow guiding plate and a mounting plate which is fixed at the lower end of the flow guiding plate, the mounting plate is connected with the inner wall of the chimney through stainless steel screws, the flow guiding plate extends from the inner wall of the chimney to the center and the upper side of the chimney, a liquid outlet is arranged on the bottom surface of the inner wall of the chimney, each liquid outlet is provided with a flow guiding branch pipe, the flow guiding branch pipes are preset in the chimney wall, a flow guiding main pipe is also preset in the chimney wall and is communicated with the flow guiding main pipe, the flow guiding main pipe penetrates out from the outer wall of the lower part of the chimney, and the penetrating-out end is connected with a collecting box. Through setting up the water conservancy diversion unit that the multiunit set up from top to bottom at the inner wall of chimney, form more comprehensive protection to the chimney inner wall to collect the acidizing fluid layer by layer, improve the collection effect of acidizing fluid greatly.

Description

Anticorrosive water conservancy diversion structure of chimney inner wall

Technical Field

The utility model relates to the technical field of chimney corrosion prevention, in particular to a chimney inner wall corrosion prevention flow guide structure.

Background

In the current society, along with the continuous progress of technology, the chemical industry is vigorously developed, a chimney is generally utilized as a main channel for fume emission in the chemical industry, corrosive acid liquor is generally carried in the discharged fume, the inner wall of the chimney is polluted by the acid liquor for a long time, so that the inner structure of the chimney is damaged, and the service life of the chimney is shortened.

According to the search, the Chinese patent with the publication number of CN214619635U discloses an anti-corrosion arc-shaped flow guiding device of a chimney, which is provided with a fixed block, a flow guiding eave, a flow guiding groove, an arc-shaped flow guiding plate, a flow guiding opening and a flow guiding groove, so that acid liquor carried in smoke is guided through the flow guiding eave and the flow guiding groove, is attached to the flow guiding eave, is uniformly converged to the bottom end through the flow guiding groove and falls onto the arc-shaped flow guiding plate, and flows into a liquid storage tank through the flow guiding opening to be collected along the radian of the arc-shaped flow guiding plate. It has been found that the Chinese patent with the publication number of CN213983629U discloses an arc-shaped flow guiding device for chimney corrosion prevention, and acid liquor and dust can be well guided into the water outlet hole by arranging a stainless steel guide rod, so that the acid liquor and dust can be prevented from sliding to a place outside the water outlet hole along the inner wall of the chimney body.

As can be seen from the above two patents, a deflector is disposed on the inner wall of the chimney to deflect the acid solution to the outside of the chimney, so as to prevent the acid solution from corroding the chimney wall. The baffle plates in the two patents are inclined downwards towards the center of the chimney, so that a downward angle is formed between the baffle plates and the chimney wall, thereby causing the following problems: (1) In the process of discharging the flue gas from the lower part of the chimney to the outside, the flue gas and dust in the flue gas are blocked in an angle formed by the guide plate and the chimney wall, and the flue gas is accumulated more and more for a long time, so that the chimney is blocked; (2) The flue gas flows from bottom to top, and the guide plate can block the discharge of flue gas and waste therein, reduces emission efficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a chimney inner wall anti-corrosion structure to solve the problems in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides an anticorrosive water conservancy diversion structure of chimney inner wall, includes a plurality of water conservancy diversion units that connect in chimney inner wall and upper and lower setting, the water conservancy diversion unit includes curved guide plate, is fixed in the mounting panel of guide plate lower extreme, the mounting panel passes through stainless steel screw and is connected with chimney inner wall, the guide plate extends to chimney center and top by chimney inner wall, the bottom surface that the chimney inner wall is located the guide plate inboard is equipped with the leakage fluid dram, and every leakage fluid dram department all is equipped with the water conservancy diversion branch pipe, the water conservancy diversion branch pipe is preset in the chimney wall, still preset the water conservancy diversion house steward in the chimney wall, water conservancy diversion branch pipe and water conservancy diversion house steward intercommunication, the water conservancy diversion house steward is worn out by the outer wall of chimney lower part, and wears out the end and be connected with the collecting box.

Preferably, the material of guide plate and mounting panel is surperficial smooth ceramic, set up the screw on the mounting panel. The guide plate is ceramic, so that the anti-corrosion performance is good, and the surface of the guide plate is smooth, so that the acid liquor is easy to slide downwards along the surface of the guide plate and is discharged from the liquid outlet.

Preferably, the guide main pipe and the guide branch pipes are epoxy resin anti-corrosion steel pipes, which play a role in corrosion prevention and prevent acid liquor from damaging the guide main pipe and the guide branch pipes.

Preferably, a circle of sealing gasket is embedded at the contact part between the mounting plate and the inner wall of the chimney, so that acid liquid is prevented from flowing into the chimney through a gap between the mounting plate and the chimney wall, and the sealing gasket is made of polytetrafluoroethylene, so that the acid liquid is prevented from corroding the sealing gasket.

Compared with the prior art, the utility model has the following beneficial effects:

through setting up the water conservancy diversion unit that the multiunit set up from top to bottom at the inner wall of chimney, form more comprehensive protection to the chimney inner wall to collect the acidizing fluid layer by layer, improve the collection effect of acidizing fluid greatly.

In the process of discharging the flue gas, the acid liquor can flow downwards along the guide unit, wherein the acid liquor falls into the guide plate at the lower layer along the outer surface of the guide plate at the upper layer and is discharged into the collecting box through the liquid discharge port, the guide branch pipe and the guide main pipe, so that the acid liquor is prevented from being attached to the inner wall of the chimney for a long time, and the corrosion to the inner wall of the chimney is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1;

in the figure: 1-chimney, 2-deflector, 3-mounting plate, 4-stainless steel screw, 5-liquid outlet, 6-guide branch pipe, 7-guide main pipe, 8-collecting box, 9-sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-2, an anti-corrosion diversion structure for the inner wall of a chimney comprises a plurality of diversion units which are connected to the inner wall of the chimney 1 and are arranged up and down, and a plurality of groups of diversion units which are arranged up and down are arranged on the inner wall of the chimney 1 to form comprehensive protection for the inner wall of the chimney, collect acid liquor layer by layer, and greatly improve the collection effect of the acid liquor.

The utility model provides a high-temperature resistant and corrosion-resistant chimney, including the guide unit, the guide unit includes curved guide plate 2, be fixed in mounting panel 3 of guide plate 2 lower extreme, the material of guide plate 2 and mounting panel 3 is surperficial smooth pottery, because guide plate 2 is pottery, so corrosion resistance is good, again because guide plate 2 surface is smooth, consequently, the acidizing fluid easily slides along the surface of guide plate 2, set up the screw on the mounting panel 3, mounting panel 3 passes through stainless steel screw 4 and is connected with chimney 1 inner wall, guide plate 2 extends to chimney center and top by chimney 1 inner wall, the bottom surface that chimney 1 inner wall is located guide plate 2 inboard is equipped with fluid outlet 5, and every fluid outlet 5 department all is equipped with guide branch pipe 6, guide branch pipe 6 is preset in chimney 1 wall, still preset in the chimney 1 wall and guide manifold 7, guide branch pipe 6 and guide manifold 7 intercommunication, guide manifold 7 is worn out by the outer wall of chimney 1 lower part, and wear out the end and be connected with collecting box 8, guide manifold 7 and guide branch pipe 6 are epoxy corrosion-resistant steel pipe.

The working principle of the embodiment is as follows: in the process of discharging the flue gas, the acid liquor can flow downwards along the guide plate 2, wherein the acid liquor falls into the guide plate 2 at the lower layer along the outer surface of the guide plate 2 at the upper layer and is discharged into the collecting box 8 through the liquid discharge port 5, the guide branch pipe 6 and the guide main pipe 7, so that the acid liquor is prevented from being attached to the inner wall of the chimney 1 for a long time, and the corrosion to the inner wall of the chimney is reduced.

Example 2

On the basis of the embodiment 1, a circle of sealing gasket 9 is embedded at the contact part between the mounting plate 3 and the inner wall of the chimney 1, and the sealing gasket 9 is made of polytetrafluoroethylene. The sealing gasket 9 can prevent acid liquor from flowing into the chimney through the gap between the mounting plate 3 and the wall of the chimney 1.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a chimney inner wall anticorrosion water conservancy diversion structure, its characterized in that, including a plurality of water conservancy diversion units that connect in chimney (1) inner wall and upper and lower setting, water conservancy diversion unit includes curved guide plate (2), is fixed in mounting panel (3) of guide plate (2) lower extreme, mounting panel (3) are connected with chimney (1) inner wall through stainless steel screw (4), guide plate (2) are extended to chimney center and top by chimney (1) inner wall, chimney (1) inner wall is located the inboard bottom surface of guide plate (2) and is equipped with leakage fluid dram (5), and every leakage fluid dram (5) department all is equipped with water conservancy diversion branch pipe (6), water conservancy diversion branch pipe (6) are preset in chimney (1) wall, still preset in chimney (1) wall water conservancy diversion house steward (7), water conservancy diversion branch pipe (6) and water conservancy diversion house steward (7) intercommunication, water conservancy diversion house steward (7) are worn out by the outer wall of chimney (1) lower part, and wear out the end and are connected with collecting box (8).

2. The chimney inner wall corrosion protection and diversion structure according to claim 1, wherein: the material of guide plate (2) and mounting panel (3) is surperficial smooth pottery, set up the screw on mounting panel (3).

3. The chimney inner wall corrosion protection and diversion structure according to claim 2, wherein: the guide header pipe (7) and the guide branch pipes (6) are epoxy resin corrosion-resistant steel pipes.

4. A chimney inner wall corrosion protection and diversion structure according to claim 3, wherein: a circle of sealing gasket (9) is embedded at the contact position between the mounting plate (3) and the inner wall of the chimney (1).

5. The chimney inner wall corrosion protection and diversion structure according to claim 4, wherein: the sealing gasket (9) is made of polytetrafluoroethylene.