Anti-corrosion desulfurization chimney

Abstract

The anti-corrosion desulfurization chimney comprises a base, a chimney body, a driving ring and a scraping plate, the chimney body is fixedly installed at the top of the base, an installation cavity is formed in the inner wall of the chimney body, a plurality of first fixing rods are evenly and fixedly installed in the installation cavity, and fixing layers are fixedly installed on the first fixing rods; a glass fiber reinforced plastic layer is fixedly mounted on the inner wall of the fixing layer, a plurality of second fixing rods are fixedly mounted at the bottom of the inner wall of the glass fiber reinforced plastic layer, supporting rings are fixedly mounted on the second fixing rods, guide sliding grooves are formed in the top surfaces of the supporting rings, and a servo motor is mounted on one side of the top surface of the chimney body; the output end of the servo motor is connected with a driving shaft, and a gear is fixedly installed on the driving shaft. The chimney has the advantages that the driving ring and the scraping plate are arranged, the scraping plate can be driven to rotate outside the chimney body, dirt on the surface of the glass fiber reinforced plastic layer can be cleaned, the damaged scraping plate can be replaced conveniently, operation is easy, and practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to desulfurization chimney technical field, concretely related to a kind of anticorrosive desulfurization chimney. BACKGROUND

[0002] Desulfurization is generally referred to as removing sulfur from fuel before combustion and desulfurization process before flue gas emission, which is one of the important technical measures to prevent and control air pollution. In the process of wet desulfurization, desulfurization chimney is often used. Because the flue gas discharged after wet desulfurization is not heated by the flue gas heat exchanger, the temperature of the flue gas entering the chimney is 40-50℃, and there is serious condensation on the inner wall of the chimney. Acid liquid flows along the cylinder wall. To reduce the corrosion effect of acid liquid on the chimney, an anticorrosive desulfurization chimney is needed.

[0003] The prior art discloses a kind of anticorrosive layer structure of power plant steel inner tube chimney wet desulfurization, the utility model can realize the automatic cleaning of dirt on the surface of glass steel layer by using the scraper ring and the corresponding driving equipment during use. However, the driving elements and equipment are installed inside the chimney, which not only affects the emission of flue gas, but also is easily corroded and damaged by acidic flue gas, and is not easy to maintain. In addition, the scraper ring is easily worn out, and the scraper ring in the utility model is not easy to replace, which brings inconvenience to the later maintenance and replacement, and the practicality is general. In view of the shortcomings of the prior art, the skilled person in the art proposes an anticorrosive desulfurization chimney. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the shortcomings of the prior art, the utility model provides an anticorrosive desulfurization chimney, which can drive and rotate the scraper on the outside of the chimney body, clean the dirt on the surface of the glass steel layer, and replace the damaged scraper easily, with the advantages of simple operation and higher practicality, thereby solving the problems in the background art.

[0006] (II) Technical solution

[0007] In order to realize the above-mentioned can be driven rotation outside the chimney main body of the scraper, realize the cleaning of the dirt on the surface of the glass steel layer, and the damaged scraper is replaced, the operation is simple, the practicability is stronger, the specific technical scheme of the utility model is as follows: A kind of anticorrosive desulfurization chimney, including pedestal, chimney main body, drive ring and scraper, the pedestal top is fixedly installed with chimney main body, and the chimney main body inner wall starts to have installation cavity, and installation cavity is uniformly fixedly installed with a plurality of first fixed rods, the first fixed rod is fixedly installed with fixed layer, and the fixed layer inner wall is fixedly installed with glass steel layer, the glass steel layer inner wall bottom is fixedly installed with a plurality of second fixed rods, and the second fixed rod is fixedly installed with support ring, and the support ring top surface is provided with guide sliding slot, the chimney main body top surface one side is installed with servo motor, and servo motor output end is connected and installed with drive shaft, and the drive shaft is fixedly installed with gear, the chimney main body top surface is fixedly installed with mounting seat, and the mounting seat top surface is provided with rotating sliding slot, the drive ring bottom surface is fixedly installed with rotating sliding block, and rotating sliding block is clamped in rotating sliding slot, the drive ring inner wall is symmetrically welded with mounting block, and mounting block is provided with mounting hole, the scraper is inserted and clamped in mounting hole, the scraper bottom end is fixedly installed with guide sliding block, and guide sliding block is clamped in guide sliding slot, the drive ring outer wall is fixedly installed with gear ring, and gear ring and gear are engaged with each other.

[0008] Further, the installation cavity top surface is fixedly installed with annular liquid uniform tank, and a plurality of spray heads are uniformly installed on the bottom surface of the annular liquid uniform tank, the base is provided with a water tank, and the inner cavity of the water tank is connected with one end of a reflux pipe, and the other end of the reflux pipe is connected with the inner cavity of the installation cavity, the inner cavity of the water tank is connected with one end of a water inlet pipe, and the other end of the water inlet pipe is connected with the inner cavity of the annular liquid uniform tank, and a water pump is installed on the water inlet pipe, the inner cavity of the water tank is connected with a lye pipe, and a flow valve is installed on the lye pipe, and an industrial PH sensor is installed on the water tank.

[0009] Further, the base is fixedly installed with a smoke inlet pipe, and one end of the smoke inlet pipe is connected with the inner cavity of the chimney main body.

[0010] Further, the base is fixedly installed with a smoke inlet pipe, and one end of the smoke inlet pipe is connected with the inner cavity of the chimney main body.

[0011] Further, the base, chimney main body, fixed layer, glass steel layer, mounting seat, drive ring and support ring are coaxial.

[0012] Further, the rotating sliding slot and the rotating sliding block are T-shaped in cross section.

[0013] Further, the guide sliding block is arc-shaped.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the anti-corrosion desulfurization chimney has the following beneficial effects:

[0016] (1) The anti-corrosion desulfurization chimney is provided with a mounting cavity, a water tank and a lye pipe, the chimney main body is fixedly installed on the top surface of the base, the mounting cavity is formed in the inner wall of the chimney main body, a plurality of first fixing rods are uniformly and fixedly installed in the mounting cavity, the first fixing rods are fixedly installed with a fixed layer, and the inner wall of the fixed layer is fixedly installed with a glass fiber reinforced plastic layer. When the flue gas of the wet desulfurization passes through the smoke inlet pipe and enters the inner cavity of the chimney main body, the glass fiber reinforced plastic layer has good corrosion resistance to prevent the chimney main body from being corroded by the acidic flue gas. When the generated acid liquid seeps along the glass fiber reinforced plastic layer and the fixed layer, the user can start the water pump installed on the water inlet pipe to guide the water in the water tank into the inner cavity of the annular liquid uniformizing tank through the water inlet pipe, and finally sprayed out through the spray head installed on the bottom surface of the annular liquid uniformizing tank, so as to realize the flushing of the acid liquid entering the mounting cavity and prevent the chimney main body from being corroded. The flushing water can re-enter the inner cavity of the water tank through the backflow pipe. The industrial PH sensor installed in the water tank can detect the PH value of the liquid in the water tank. When the acidity of the liquid is higher than the preset value, the control panel can add appropriate amount of lye into the water tank through the lye pipe and the flow valve for neutralization, so as to ensure the effectiveness of the flushing acid liquid, effectively improve the corrosion resistance of the anti-corrosion desulfurization chimney, avoid the corrosion of the reinforced concrete structure of the chimney main body, and improve the service life of the chimney.

[0017] (2) The anti-corrosion desulfurization chimney is provided with a driving ring and a scraper. After the glass fiber reinforced plastic layer is used for a period of time, dirt is easy to appear on the inner surface thereof. The user can start the servo motor through the control panel. The top surface of the chimney main body is fixedly installed with a mounting seat, the top surface of the mounting seat is provided with a rotating sliding groove, the bottom surface of the driving ring is fixedly installed with a rotating sliding block, the rotating sliding block is clamped in the rotating sliding groove, the inner wall of the driving ring is symmetrically welded with mounting blocks, the mounting blocks are provided with mounting holes, the user can insert and clamp the scraper into the mounting holes, the bottom end of the scraper is fixedly installed with a guide sliding block, the guide sliding block is clamped in the guide sliding groove provided in the supporting ring, when the servo motor drives the driving shaft and the gear to rotate, because the gear is engaged with the gear ring fixedly installed on the outer wall of the driving ring, the two scrapers can be driven to rotate around the guide sliding groove, so that the dirt on the surface of the glass fiber reinforced plastic layer can be automatically cleaned by the scraper. When the scraper is seriously worn, the user can directly pull out and replace the scraper, so that the anti-corrosion desulfurization chimney can drive the scraper to rotate outside the chimney main body to clean the dirt on the surface of the glass fiber reinforced plastic layer, the damaged scraper can be easily replaced, the operation is simple, and the practicability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 is a structural schematic view of a corrosion-resistant desulfurization chimney according to an embodiment of the present application;

[0020] Figure 2 is a drive ring top view of a corrosion-resistant desulfurization chimney according to an embodiment of the present application;

[0021] Figure 3 is an A place enlarged view of Figure 1 according to an embodiment of the present application;

[0022] Figure 4 is a B place enlarged view of Figure 1 according to an embodiment of the present application;

[0023] Figure 5 is a C place enlarged view of Figure 1 according to an embodiment of the present application;

[0024] Figure 6 is a scraper perspective view of a corrosion-resistant desulfurization chimney according to an embodiment of the present application.

[0025] In the drawings:

[0026] 1, smoke inlet pipe; 2, base; 3, support ring; 4, backflow pipe; 5, industrial PH sensor; 6, water tank; 7, flow valve; 8, chimney main body; 9, first fixed rod; 10, fixed layer; 11, glass steel layer; 12, scraper; 13, servo motor; 14, drive ring; 15, mounting seat; 16, water inlet pipe; 17, water pump; 18, lye pipe; 19, gear ring; 20, mounting block; 21, mounting hole; 22, second fixed rod; 23, guide sliding groove; 24, drive shaft; 25, gear; 26, rotating sliding groove; 27, rotating sliding block; 28, mounting cavity; 29, guide sliding block; 30, annular liquid uniform tank; 31, spray head. DETAILED DESCRIPTION

[0027] To further illustrate the embodiments, the utility model provides has the drawing, these drawings are the utility model discloses the part of content, it is mainly used to illustrate the embodiment, and can cooperate the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, and the ordinary skill in the art person should understand other possible implementation modes 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 indicate similar components.

[0028] According to the embodiment of the utility model, a kind of anti-corrosion desulfurization chimney is provided.

[0029] The utility model is further illustrated by combining with the specific embodiment and the drawing, as shown in Figures 1-6 According to the anti-corrosion desulfurization chimney of the embodiment of the utility model, the base 2 top is fixedly installed with chimney main body 8, and the chimney main body 8 inner wall starts to have installation cavity 28, and the installation cavity 28 is uniformly fixedly installed with a plurality of first fixed rods 9, the first fixed rod 9 is fixedly installed with fixed layer 10, and the fixed layer 10 inner wall is fixedly installed with glass steel layer 11, the glass steel layer 11 inner wall bottom is fixedly installed with a plurality of second fixed rods 22, and the second fixed rod 22 is fixedly installed with support ring 3, and the support ring 3 top surface is provided with guide sliding slot 23, the chimney main body 8 top surface one side is installed with servo motor 13, and the servo motor 13 output end is connected and installed with driving shaft 24, and the driving shaft 24 is fixedly installed with gear 25, the chimney main body 8 top surface is fixedly installed with mounting seat 15, and the mounting seat 15 top surface is provided with rotating sliding slot 26, the driving ring 14 bottom surface is fixedly installed with rotating sliding block 27, and the rotating sliding block 27 is clamped in rotating sliding slot 26, the driving ring 14 inner wall is symmetrically welded with mounting block 20, and the mounting block 20 is provided with mounting hole 21, and the scraper 12 is inserted and clamped in mounting hole 21, and the scraper 12 bottom end is fixedly installed with guide sliding block 29, and the guide sliding block 29 is clamped in guide sliding slot 23, the driving ring 14 outer wall is fixedly installed with gear ring 19, and the gear ring 19 is engaged with gear 25, can be driven rotation to the scraper 12 outside chimney main body 8, realize the cleaning of the dirt on the surface of glass steel layer 11, and it is convenient to replace damaged scraper 12, simple operation, and stronger practicality.

[0030] In one embodiment, the top surface of the installation cavity 28 is fixedly provided with an annular liquid uniform tank 30, and the bottom surface of the annular liquid uniform tank 30 is uniformly provided with a plurality of spray heads 31. The base 2 is provided with a water tank 6, and one end of a reflux pipe 4 is connected in communication with the inner cavity of the water tank 6. The other end of the reflux pipe 4 is connected in communication with the inner cavity of the installation cavity 28. One end of a water inlet pipe 16 is connected in communication with the inner cavity of the water tank 6, and the other end of the water inlet pipe 16 is connected in communication with the inner cavity of the annular liquid uniform tank 30. A water pump 17 is installed on the water inlet pipe 16. The inner cavity of the water tank 6 is connected in communication with a lye pipe 18, and a flow valve 7 is installed on the lye pipe 18. An industrial PH sensor 5 is installed on the water tank 6. The industrial PH sensor 5 effectively improves the corrosion resistance of the desulfurization chimney, avoids corrosion of the reinforced concrete structure of the chimney body 8, and improves the service life of the chimney.

[0031] In one embodiment, the base 2 is fixedly provided with a smoke inlet pipe 1, and one end of the smoke inlet pipe 1 is connected in communication with the inner cavity of the chimney body 8. The smoke inlet pipe 1 guides the flue gas of the wet desulfurization into the inner cavity of the chimney body 8.

[0032] In one embodiment, the base 2 is fixedly provided with a smoke inlet pipe 1, and one end of the smoke inlet pipe 1 is connected in communication with the inner cavity of the chimney body 8. The smoke inlet pipe 1 guides the flue gas of the wet desulfurization into the inner cavity of the chimney body 8.

[0033] In one embodiment, the base 2, the chimney body 8, the fixed layer 10, the glass steel layer 11, the mounting seat 15, the driving ring 14, and the support ring 3 are arranged on the same straight line.

[0034] In one embodiment, the cross-sectional shape of the rotating sliding groove 26 and the rotating sliding block 27 is T-shaped.

[0035] In one embodiment, the guide sliding block 29 is in the shape of an arc-shaped plate.

[0036] Working principle: The utility model is provided with an installation cavity 28, a water tank 6 and an alkali liquid pipe 18. The top surface of the base 2 is fixedly installed with a chimney body 8, and the inner wall of the chimney body 8 is provided with an installation cavity 28, and a number of first fixing rods 9 are evenly fixedly installed in the installation cavity 28. A fixing layer 10 is fixedly installed on the first fixing rod 9, and a glass fiber reinforced plastic layer 11 is fixedly installed on the inner wall of the fixing layer 10. When the flue gas of wet desulfurization enters the inner cavity of the chimney body 8 through the smoke inlet pipe 1, the glass fiber reinforced plastic layer 11 has a good corrosion resistance to prevent the acidic flue gas from corroding the chimney body 8. When the generated acid penetrates along the glass fiber reinforced plastic layer 11 and the fixing layer 10, the user can start the water pump 17 installed on the water inlet pipe 16. The water in the water tank 6 is introduced into the inner cavity of the annular uniform liquid box 30 through the water inlet pipe 16, and is finally sprayed out through the sprinkler head 31 installed on the bottom surface of the annular uniform liquid box 30, so as to flush the acid liquid entering the installation cavity 28 to prevent it from corroding the chimney body 8. The flushing water can re-enter the inner cavity of the water tank 6 through the return pipe 4. An industrial pH sensor 5 is installed in the water tank 6 to detect the pH value of the liquid in the water tank 6. When the acidity of the liquid is higher than the preset value, the control panel can add an appropriate amount of alkali liquid to the water tank 6 through the alkali liquid pipe 18 and the flow valve 7 for neutralization to ensure the liquid effectiveness of the flushing acid, effectively improving the anti-corrosion effect of an anti-corrosion desulfurization chimney, and avoiding the corrosion of the reinforced concrete structure of the chimney body 8. Corrosion is prevented, which increases the service life of the chimney. In addition, the utility model is provided with a drive ring 14 and a scraper 12. When the fiberglass layer 11 is used for a period of time, its inner surface is prone to dirt. The user can start the servo motor 13 through the control panel. The top surface of the chimney body 8 is fixedly installed with a mounting seat 15, and the top surface of the mounting seat 15 is provided with a rotating slide 26, and the bottom surface of the drive ring 14 is fixedly installed with a rotating slider 27, and the rotating slider 27 is embedded in the rotating slide 26. On the other hand, the inner wall of the drive ring 14 is symmetrically welded with a mounting block 20, and the mounting block 20 is provided with a mounting hole 21. The user can insert the scraper 12 into the mounting hole 21 and make the guide slide fixed at the bottom end of the scraper 12 The block 29 is embedded in the guide groove 23 provided on the support ring 3. When the servo motor 13 drives the drive shaft 24 and the gear 25 to rotate, because the gear 25 is engaged with the gear ring 19 fixedly installed on the outer wall of the drive ring 14, the two scrapers 12 can be driven to rotate around the guide groove 23, so that the scraper 12 can be used to automatically clean the dirt on the surface of the fiberglass layer 11. When the scraper 12 is severely worn, the user can directly pull out the scraper 12 and replace it, so that an anti-corrosion desulfurization chimney can drive the scraper 12 to rotate outside the chimney body 8, thereby cleaning the dirt on the surface of the fiberglass layer 11 and facilitating the replacement of damaged scrapers 12. The operation is simple and the practicability is stronger.

[0037] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" 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 be indirectly connected through the intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless another definite limitation, for the ordinary skill in the art, can understand the specific meaning of the above-mentioned term in the utility model according to the specific situation.

[0038] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An anti-corrosion desulfurization chimney, comprising a base (2), a chimney body (8), a drive ring (14) and a scraper (12), characterized in that: A chimney body (8) is fixedly installed on the top of the base (2), and an installation cavity (28) is formed on the inner wall of the chimney body (8), and a plurality of first fixing rods (9) are evenly fixedly installed in the installation cavity (28), a fixing layer (10) is fixedly installed on the first fixing rod (9), and a glass fiber reinforced plastic layer (11) is fixedly installed on the inner wall of the fixing layer (10), a plurality of second fixing rods (22) are fixedly installed on the bottom of the inner wall of the glass fiber reinforced plastic layer (11), and a support ring (3) is fixedly installed on the second fixing rod (22), and a guide groove (23) is provided on the top surface of the support ring (3), a servo motor (13) is installed on one side of the top surface of the chimney body (8), and a drive shaft (24) is connected to the output end of the servo motor (13), and a fixed guide groove (23) is provided on the drive shaft (24). A gear (25) is fixedly installed, a mounting seat (15) is fixedly installed on the top surface of the chimney body (8), and a rotating slide groove (26) is provided on the top surface of the mounting seat (15), a rotating slider (27) is fixedly installed on the bottom surface of the driving ring (14), and the rotating slider (27) is clamped in the rotating slide groove (26), a mounting block (20) is symmetrically welded on the inner wall of the driving ring (14), and a mounting hole (21) is provided on the mounting block (20), the scraper (12) is plugged into the mounting hole (21), a guide slider (29) is fixedly installed on the bottom end of the scraper (12), and the guide slider (29) is clamped in the guide slide groove (23), a gear ring (19) is fixedly installed on the outer wall of the driving ring (14), and the gear ring (19) and the gear (25) are meshed with each other.

2. The anti-corrosion desulfurization chimney according to claim 1, characterized in that: An annular liquid homogenizing tank (30) is fixedly installed on the top surface of the installation cavity (28), and a plurality of spray heads (31) are evenly installed on the bottom surface of the annular liquid homogenizing tank (30). A water tank (6) is provided on one side of the base (2), and the inner cavity of the water tank (6) is connected to one end of the return pipe (4), and the other end of the return pipe (4) is connected to the inner cavity of the installation cavity (28). The inner cavity of the water tank (6) is connected to one end of the water inlet pipe (16), and the other end of the water inlet pipe (16) is connected to the inner cavity of the annular liquid homogenizing tank (30), and a water pump (17) is installed on the water inlet pipe (16). The inner cavity of the water tank (6) is connected to an alkali liquid pipe (18), and a flow valve (7) is installed on the alkali liquid pipe (18). An industrial pH sensor (5) is installed on the water tank (6).

3. The anti-corrosion desulfurization chimney according to claim 1, characterized in that: A smoke inlet pipe (1) is fixedly installed in the base (2), and one end of the smoke inlet pipe (1) is connected to the inner cavity of the chimney body (8).

4. The anti-corrosion desulfurization chimney according to claim 1, characterized in that: A control panel is installed on the side wall of the base (2), and the control panel is electrically connected to the servo motor (13), the water pump (17), the industrial pH sensor (5) and the flow valve (7).

5. The anti-corrosion desulfurization chimney according to claim 1, characterized in that: The central axes of the base (2), the chimney body (8), the fixing layer (10), the glass fiber reinforced plastic layer (11), the mounting seat (15), the driving ring (14) and the supporting ring (3) are on the same straight line.

6. The anti-corrosion desulfurization chimney according to claim 1, characterized in that: The cross-section shape of the rotating slide groove (26) and the rotating slider (27) is T-shaped.

7. The anti-corrosion desulfurization chimney according to claim 1, characterized in that: The guide slider (29) is in the shape of an arc plate.

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