Desulfurization cooler

By installing a filter and auxiliary device inside the cooler inlet pipe, the problem of blockage by impurities in the desulfurization slurry was solved, enabling efficient operation and convenient cleaning of the cooler.

CN223855176UActive Publication Date: 2026-01-30NANJING DONGDA ENERGY ENG DESIGN INST CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520211120.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-30
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Impurities such as fly ash and unburned organic matter carried in the desulfurization slurry can easily clog the cooler pipes, leading to a decrease in the cooler's working efficiency and making it difficult to clean.

Method used

A filtration device, including a cylinder and a filter screen, is installed inside the inlet pipe of the cooler. Impurities are filtered through the filter screen on the inner wall of the cylinder, and the filter screen is cleaned using paddles and brush rods. The auxiliary device facilitates the disassembly and assembly of the cylinder.

Benefits of technology

It effectively prevents impurities from entering the pipes, prevents blockages, simplifies the cleaning process of the cooler, and improves the working efficiency and maintainability of the cooler.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223855176U_ABST
    Figure CN223855176U_ABST
Patent Text Reader

Abstract

The utility model provides a desulfurization cooler, which relates to the technical field of cooling equipment, and comprises a pipe body, a filter device is arranged in an input pipe by means of an auxiliary device, the filter device comprises a cylinder, a filter screen is arranged at one end of the inner wall of the cylinder, the inner wall of a rectangular rod is rotatably connected with a round rod, and the inner wall of the round rod is rotatably connected with a filter screen. A round rod is arranged in the cylinder, a plurality of blades are fixedly connected to one end of the round rod, a brush rod is fixedly connected to one end of the round rod, and a plurality of scrubbing brushes are arranged on one side of the brush rod. Impurities in slurry are filtered through the filter screen at one end of the inner wall of the cylinder, the impurities are blocked in the cylinder, the problem that the impurities enter the conveying pipe in the pipe body to cause blockage of the conveying pipe is avoided as much as possible, the cylinder is detached by means of an auxiliary device after the cooling process is completed, and the interior of the cylinder is cleaned.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling equipment technical field especially relates to a desulfurization cooler. BACKGROUND

[0002] Desulfurization slurry is the key medium in the wet flue gas desulfurization system, mainly used for absorbing the acid gas such as sulfur dioxide (SO2) in the flue gas to realize the desulfurization purpose, in the wet desulfurization system, the slurry temperature is reduced through the cooler, which can not only improve the desulfurization efficiency, but also reduce the system energy consumption and environmental pollution.

[0003] When using the cooler, the desulfurization slurry and the cooling medium are input into the cooler through two different pipelines, so that the cooling medium contacts the desulfurization slurry to cool the desulfurization liquid, but the desulfurization slurry carries a lot of fly ash and unburned organic matter and other impurities, which are easy to stay in the pipeline and cause the pipeline in the cooler to be blocked, and the cooler is not easy to disassemble for cleaning, which affects the normal flow of the desulfurization liquid in the cooling pipeline and causes the working effect of the cooler to decrease. UTILITY MODEL CONTENTS

[0004] The utility model discloses a desulfurization cooler, which solves the problem of the desulfurization slurry carrying a lot of fly ash and unburned organic matter and other impurities, which are easy to stay in the pipeline and cause the pipeline in the cooler to be blocked, and the cooler is not easy to disassemble for cleaning, which affects the normal flow of the desulfurization liquid in the cooling pipeline and causes the working effect of the cooler to decrease.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a desulfurization cooler, comprising a pipe body, the both ends of the pipe body are fixedly connected with an input pipe and an output pipe, the both sides of the outer surface of the pipe body are fixedly connected with a liquid inlet pipe and a liquid outlet pipe, the inside of the pipe body is fixedly connected with a spiral partition plate, the inner wall of the pipe body is fixedly connected with a plurality of conveying pipes, the both ends of the conveying pipe are connected with the input pipe and the output pipe, and the inside of the input pipe is provided with a filtering device capable of filtering the slurry entering the pipe body by means of an auxiliary device.

[0006] The above-mentioned components achieve the following effects: when using the cooler, the filtering device is installed in the inside of the input pipe by means of the auxiliary device, the slurry liquid pipeline and the receiving pipeline are connected with one end of the input pipe and the output pipe by means of the flange, and the cooling medium circulation pipeline is connected with the liquid inlet pipe and the liquid outlet pipe, so that the slurry enters the inside of the pipe body through the input pipe, passes through the conveying pipe to the output pipe, and the cooling medium enters the inside of the pipe body through the liquid inlet pipe and moves in the spiral partition plate, exchanges heat with the slurry in the conveying pipe, and circulates through the liquid outlet pipe.

[0007] Preferably, the filtering device comprises a cylinder, one end of the inner wall of the cylinder is provided with a filter screen, one side of the inner wall of the cylinder is fixedly connected with a rectangular rod, the inner wall of the rectangular rod is rotatably connected with a round rod, one end of the round rod is fixedly connected with a plurality of paddles, the end of the round rod away from the paddles is fixedly connected with a brush rod, and one side of the brush rod is provided with a plurality of hard brushes.

[0008] The above-mentioned components achieve the effects that: by arranging the cylinder, when installing the cooler, the cylinder is installed in the inside of the input pipe by means of the auxiliary device, when the slurry enters the inside of the input pipe, it will enter the inside of the cylinder, the impurities in the slurry can be filtered by the filter screen at one end of the inner wall of the cylinder, and the impurities are blocked on one side of the inside of the cylinder, at the same time, when the slurry passes through the paddles, the paddles and the round rod are driven to rotate, the brush rod is driven to rotate by the round rod, and the surface of the filter screen is cleaned by the hard brushes on one side of the brush rod, so as to avoid the impurities from being blocked on the surface of the filter screen as much as possible, after the single cooling process is completed, the liquid pipeline is removed, and then the cylinder in the inside of the input pipe can be conveniently removed and cleaned.

[0009] Preferably, one side of the rectangular rod is fixedly connected with a blocking ring, and the blocking ring is located outside the connection position of the round rod and the rectangular rod.

[0010] The above-mentioned components achieve the effects that: by arranging the blocking ring, the outside of the connection position of the round rod and the rectangular rod can be blocked and protected, so as to avoid the foreign matters from entering the connection position of the round rod and the rectangular rod and affecting the normal rotation of the round rod as much as possible.

[0011] Preferably, one side of the rectangular rod is fixedly connected with a positioning ring, and one end of the round rod away from the rectangular rod is rotatable in the inner wall of the positioning ring.

[0012] The above-mentioned components achieve the effects that: by arranging the positioning ring, the angles of both ends of the round rod can be further limited, so as to avoid the angles of both ends of the round rod from deviating as much as possible when the round rod rotates.

[0013] Preferably, one side of the positioning ring is fixedly connected with two scraping rods, and the bottom ends of the two scraping rods are in contact with one side of the top end of the brush rod.

[0014] The above-mentioned components achieve the effects that: when the brush rod rotates, the top end is in contact with the bottom end of the scraping rod, the surface of the top end of the brush rod can be scraped and cleaned by the scraping rod, so as to avoid the impurities from adhering to the surface of the brush rod as much as possible.

[0015] Preferably, the auxiliary device comprises two slot blocks, one side of the two slot blocks is fixedly connected with the upper and lower sides of the inner wall of the input pipe respectively, the inner wall of the slot block is rotationally connected with a shaft rod, the outer surface of the shaft rod is fixedly connected with a stop block, one side of the stop block is provided with a spring, the two ends of the spring are fixedly connected with one side of the inner wall of the slot block and one side of the stop block respectively, one end of the cylinder is fixedly connected with two clamping blocks, and a groove is formed in the top end of the clamping block.

[0016] The effect of the above-mentioned components is that when the filtering device is installed, the one end of the cylinder provided with the clamping block is inserted into the input pipe, the two clamping blocks at the one end of the cylinder are inserted into the two slot blocks on the upper and lower sides of the inner wall of the input pipe, the clamping block is pushed to rotate upward through the shaft rod and compress the spring when the one end of the clamping block contacts the bottom end of the stop block, and the spring restores to the original state to push the stop block to rotate downward to clamp the one end of the stop block in the groove, the position of the clamping block in the slot block is fixed, and the cylinder is fixed in the input pipe.

[0017] Preferably, the bottom end of the stop block is fixedly connected with a column rod, and the outer surface edge of the column rod is arc-shaped.

[0018] The effect of the above-mentioned components is that after the position of the clamping block in the slot block is fixed by the stop block, the cylinder is pulled outward so that the groove of the clamping block is located at the column rod at the bottom end of the stop block and moves outward, the stop block is pushed to slide upward in the inner wall of the groove at the top end of the clamping block through the column rod so that the stop block enters the top end of the clamping block, and then the clamping block can be pulled out from the inside of the cylinder and the cylinder can be removed.

[0019] Preferably, the inner wall of the cylinder is fixedly connected with auxiliary blocks on the upper and lower sides respectively, and a semicircular groove is formed in one side of the auxiliary block.

[0020] The effect of the above-mentioned components is that the cylinder can be more conveniently pulled out by pinching the semicircular groove on one side of the auxiliary block.

[0021] Compared with the prior art, the utility model has the advantages and positive effects that:

[0022] In the utility model, the filtering device is set, the cylinder is installed in the inside of the input pipe by means of the auxiliary device, the impurities in the slurry are filtered by the filter screen at one end of the inner wall of the cylinder and are blocked in the inside of the cylinder, the problem that the impurities enter the conveying pipe in the inside of the pipe body and cause the blockage of the conveying pipe is avoided as far as possible, and the cylinder is removed by means of the auxiliary device after the cooling process is completed, and the inside of the cylinder is cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 This is a partial cross-sectional three-dimensional structural diagram of the tube body of this utility model;

[0025] Figure 3 This is a partial cross-sectional three-dimensional structural diagram of the input pipe of this utility model;

[0026] Figure 4 This utility model Figure 3 A magnified three-dimensional structural diagram of point A;

[0027] Figure 5 This is a partial cross-sectional three-dimensional structural diagram of the cylindrical part of this utility model;

[0028] Figure 6 This is a three-dimensional structural diagram of the rectangular rod of this utility model;

[0029] Figure 7 This is a three-dimensional structural diagram of the groove block of this utility model.

[0030] Legend: 1. Pipe body; 2. Filter device; 3. Auxiliary device; 4. Output pipe; 5. Input pipe; 6. Liquid inlet pipe; 7. Liquid outlet pipe; 8. Baffle plate; 9. Conveying pipe; 21. Cylinder; 22. Filter screen; 23. Rectangular rod; 24. Round rod; 25. Brush rod; 26. Paddle; 27. Retaining ring; 28. Positioning ring; 29. ​​Scraper; 31. Groove block; 32. Shaft; 33. Spring; 34. Retaining block; 35. Clamping block; 36. Column rod; 37. Auxiliary block Detailed Implementation

[0031] The present invention is illustrated below with specific embodiments, but these are not intended to limit the scope of the invention.

[0032] Example 1

[0033] like Figures 1-2As shown, a desulfurization cooler includes a pipe body 1, the two ends of the pipe body 1 are fixedly connected with an input pipe 5 and an output pipe 4 respectively, the two sides of the outer surface of the pipe body 1 are fixedly connected with a liquid inlet pipe 6 and a liquid outlet pipe 7 respectively, the inside of the pipe body 1 is fixedly connected with a spiral partition plate 8, the inner wall of the pipe body 1 is fixedly connected with a plurality of conveying pipes 9, the two ends of the conveying pipes 9 are connected with the input pipe 5 and the output pipe 4 respectively, the inside of the input pipe 5 is provided with a filtering device 2 capable of filtering the slurry entering the inside of the pipe body 1 by means of an auxiliary device 3, when the cooler is used, the filtering device 2 is installed in the inside of the input pipe 5 by means of the auxiliary device 3, the slurry conveying pipeline and the receiving pipeline are connected with one end of the input pipe 5 and the output pipe 4 by means of flanges, and the cooling medium circulating pipeline is connected with the liquid inlet pipe 6 and the liquid outlet pipe 7 respectively, so that the slurry enters the inside of the pipe body 1 through the input pipe 5, passes through the conveying pipes 9 to the output pipe 4 for output, while the cooling medium enters the inside of the pipe body 1 through the liquid inlet pipe 6, moves in the spiral partition plate 8, exchanges heat with the slurry in the conveying pipes 9, and is output for circulation through the liquid outlet pipe 7.

[0034] Example two

[0035] Referring to Figures 1-6 As shown, in this embodiment: the filtering device 2 includes a cylinder 21, the inner wall of the cylinder 21 is provided with a filter screen 22 at one end, the inner wall of the cylinder 21 is fixedly connected with a rectangular rod 23 at one side, the inner wall of the rectangular rod 23 is rotatably connected with a round rod 24, the one end of the round rod 24 is fixedly connected with a plurality of paddles 26, the end of the round rod 24 away from the paddles 26 is fixedly connected with a brush rod 25, and the one side of the brush rod 25 is provided with a plurality of hard brushes. By arranging the cylinder 21, when the cooler is installed, the cylinder 21 is installed in the inside of the input pipe 5 by means of the auxiliary device 3, when the slurry enters the inside of the input pipe 5, it will enter the inside of the cylinder 21, the filter screen 22 at one end of the inner wall of the cylinder 21 can filter the impurities in the slurry and block the impurities at one side of the inside of the cylinder 21, and at the same time, when the slurry passes through the paddles 26, the paddles 26 and the round rod 24 will be driven to rotate, the round rod 24 drives the brush rod 25 to rotate, and the hard brushes at one side of the brush rod 25 clean the surface of the filter screen 22, so as to avoid the impurities from being blocked on the surface of the filter screen 22 as much as possible. After a single cooling process is completed, the conveying pipeline is removed, so that the cylinder 21 in the inside of the input pipe 5 can be conveniently removed for cleaning. By arranging the filtering device 2, the cylinder 21 is installed in the inside of the input pipe 5 by means of the auxiliary device 3, the impurities in the slurry are filtered by the filter screen 22 at one end of the inner wall of the cylinder 21 and are blocked in the inside of the cylinder 21, so as to avoid the impurities from entering the conveying pipes 9 in the inside of the pipe body 1 and causing the conveying pipes 9 to be blocked as much as possible, and after the cooling process is completed, the cylinder 21 is removed by means of the auxiliary device 3, so that the inside of the cylinder 21 can be cleaned.

[0036] Referring to Figures 4-6As shown, in the embodiment: one side of the rectangular rod 23 is fixedly connected with a blocking ring 27, the blocking ring 27 is located outside the connection between the circular rod 24 and the rectangular rod 23, and the blocking ring 27 can block and protect the outside of the connection between the circular rod 24 and the rectangular rod 23, so as to avoid as much as possible the sundries from entering the connection between the circular rod 24 and the rectangular rod 23 and affecting the normal rotation of the circular rod 24, and one side of the rectangular rod 23 is fixedly connected with a positioning ring 28, and one end of the circular rod 24 away from the rectangular rod 23 rotates on the inner wall of the positioning ring 28, and the positioning ring 28 can further limit the angles of the two ends of the circular rod 24, so as to avoid as much as possible the segregation of the angles of the two ends of the circular rod 24 during rotation.

[0037] Referring to Figures 4-6 As shown, in the embodiment: one side of the positioning ring 28 is fixedly connected with two scraping rods 29, the bottom ends of the two scraping rods 29 are in contact with one side of the top end of the brush rod 25, and the top end of the brush rod 25 will be in contact with the bottom end of the scraping rod 29 during rotation, and the scraping rod 29 can scrape and clean the surface of the top end of the brush rod 25, so as to avoid as much as possible the attachment of impurities on the surface of the brush rod 25.

[0038] Example three

[0039] Referring to Figures 1-7 As shown, in the embodiment: the auxiliary device 3 includes two groove blocks 31, one side of each of the two groove blocks 31 is fixedly connected with the inner wall of the input pipe 5 on the upper and lower sides, the inner wall of the groove block 31 is rotationally connected with a shaft rod 32, the outer surface of the shaft rod 32 is fixedly connected with a blocking block 34, one side of the blocking block 34 is provided with a spring 33, and the two ends of the spring 33 are fixedly connected with one side of the inner wall of the groove block 31 and one side of the blocking block 34, respectively, one end of the cylindrical body 21 is fixedly connected with two clamping blocks 35, a groove is formed in the top end of the clamping block 35, when the filtering device 2 is installed, the one end of the cylindrical body 21 provided with the clamping block 35 is inserted into the inside of the input pipe 5, so that the two clamping blocks 35 at one end of the cylindrical body 21 are inserted into the two groove blocks 31 on the upper and lower sides of the inner wall of the input pipe 5, and when the one end of the clamping block 35 is in contact with the bottom end of the blocking block 34, the blocking block 34 will be pushed to rotate upwardly through the shaft rod 32 and compress the spring 33, and when the clamping block 35 moves to one side of the blocking block 34 and the groove in the top end is located below the blocking block 34, the spring 33 will restore to its original state and push the blocking block 34 to rotate downwardly to clamp the one end of the blocking block 34 in the groove, so as to fix the position of the clamping block 35 in the groove block 31 and fix the cylindrical body 21 in the input pipe 5.

[0040] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7As shown, in the embodiment: the bottom end of the block 34 is fixedly connected with the column rod 36, the outer surface edge of the column rod 36 is arc-shaped, after the position of the clamping block 35 inside the groove block 31 is fixed by the block 34, the cylinder 21 is pulled outward to make the recess of the clamping block 35 move outward at the column rod 36 at the bottom end of the block 34, the block 34 is pushed to slide upward in the inner wall of the recess at the top end of the clamping block 35 through the column rod 36 to make the block 34 enter the top end of the clamping block 35, then the clamping block 35 can be pulled out from the inside of the cylinder 21 to remove the cylinder 21, the inner wall of the cylinder 21 is fixedly connected with the auxiliary block 37 on the upper and lower sides, a semicircular groove is formed on one side of the auxiliary block 37, the cylinder 21 can be more conveniently pulled out by pinching the semicircular groove on one side of the auxiliary block 37 to disassemble the cylinder 21.

[0041] Working principle: when the cooler is used, one end of the cylinder 21 provided with the clamping block 35 is inserted into the input pipe 5, the two clamping blocks 35 at one end of the cylinder 21 are inserted into the two groove blocks 31 on the upper and lower sides of the inner wall of the input pipe 5, when the one end of the clamping block 35 contacts the bottom end of the block 34, the block 34 is pushed to rotate upward through the shaft rod 32 and compress the spring 33, when the clamping block 35 moves to one side of the block 34 and the recess at the top end is below the block 34, the spring 33 restores to the original state to push the block 34 to rotate downward to clamp one end of the block 34 in the recess, the position of the clamping block 35 inside the groove block 31 is fixed, the cylinder 21 is fixed inside the input pipe 5, then the slurry liquid pipeline and the receiving pipeline are connected with one end of the input pipe 5 and the output pipe 4 by means of the flange, and the cooling medium circulation pipeline is connected with the liquid inlet pipe 6 and the liquid outlet pipe 7 respectively, so that the slurry enters the inside of the pipe body 1 through the input pipe 5.

[0042] When the slurry enters the inside of the input pipe 5, it enters the inside of the cylinder 21, the impurities in the slurry can be filtered by the filter screen 22 at one end of the inner wall of the cylinder 21 to block the impurities on one side inside the cylinder 21, at the same time, the slurry drives the paddle 26 and the round rod 24 to rotate when passing through the paddle 26, the brush rod 25 is driven to rotate by the round rod 24, the surface of the filter screen 22 is cleaned by the hard brush on one side of the brush rod 25, so as to avoid the impurities from being blocked on the surface of the filter screen 22 as much as possible, at the same time, the cooling medium enters the inside of the pipe body 1 through the liquid inlet pipe 6 to move in the spiral partition plate 8, the slurry in the conveying pipe 9 is heat-exchanged, and is output through the liquid outlet pipe 7 for circulation, the slurry after cooling is output through the output pipe 4, after the single cooling process is completed, the liquid pipeline is disassembled, the cylinder 21 is pulled outward to make the recess of the clamping block 35 move outward at the column rod 36 at the bottom end of the block 34, the block 34 is pushed to slide upward in the inner wall of the recess at the top end of the clamping block 35 through the column rod 36 to make the block 34 enter the top end of the clamping block 35, then the clamping block 35 can be pulled out from the inside of the cylinder 21 to remove the cylinder 21.

[0043] Finally, it should be noted that the above examples are intended to illustrate and not limit the technical solutions of the present application. Although the present application has been described in detail with reference to the above examples, those skilled in the art should understand that the present application can still be modified or equivalently replaced without departing from the spirit and scope of the present application, and any modification or partial replacement thereof should be covered in the scope of the claims of the present application.

Claims

1. A desulphurization cooler comprising a tube body (1), characterized in that: The both ends of the pipe body (1) are fixedly connected with an input pipe (5) and an output pipe (4), the both sides of the outer surface of the pipe body (1) are fixedly connected with a liquid inlet pipe (6) and a liquid outlet pipe (7), the inside of the pipe body (1) is fixedly connected with a spiral partition plate (8), the inner wall of the pipe body (1) is fixedly connected with a plurality of conveying pipes (9), the both ends of the conveying pipe (9) are connected with the input pipe (5) and the output pipe (4) respectively, and the inside of the input pipe (5) is provided with a filtering device (2) capable of filtering the slurry entering the inside of the pipe body (1) by means of an auxiliary device (3).

2. A desulphurisation cooler according to claim 1, characterised in that: The filtering device (2) comprises a cylinder (21), the inner wall of the cylinder (21) is provided with a filter screen (22) at one end, the inner wall of the cylinder (21) is fixedly connected with a rectangular rod (23) at one side, the inner wall of the rectangular rod (23) is rotatably connected with a round rod (24), one end of the round rod (24) is fixedly connected with a plurality of paddles (26), the end of the round rod (24) away from the paddles (26) is fixedly connected with a brush rod (25), and one side of the brush rod (25) is provided with a plurality of hard brushes.

3. A desulphurisation cooler according to claim 2, characterised in that: One side of the rectangular rod (23) is fixedly connected with a blocking ring (27), and the blocking ring (27) is located outside the connection between the round rod (24) and the rectangular rod (23).

4. A desulphurisation cooler according to claim 2, characterised in that: One side of the rectangular rod (23) is fixedly connected with a positioning ring (28), and the end of the round rod (24) away from the rectangular rod (23) is rotatable on the inner wall of the positioning ring (28).

5. A desulphurisation cooler according to claim 4, characterised in that: One side of the positioning ring (28) is fixedly connected with two scraping rods (29), and the bottom ends of the two scraping rods (29) are in contact with one side of the top end of the brush rod (25).

6. A desulphurisation cooler according to claim 2, characterised in that: The auxiliary device (3) comprises two groove blocks (31), one side of each of the two groove blocks (31) is fixedly connected with the inner wall of the input pipe (5) at the upper and lower sides, the inner wall of the groove block (31) is rotatably connected with a shaft rod (32), the outer surface of the shaft rod (32) is fixedly connected with a blocking block (34), one side of the blocking block (34) is provided with a spring (33), the both ends of the spring (33) are fixedly connected with one side of the inner wall of the groove block (31) and one side of the blocking block (34) respectively, one end of the cylinder (21) is fixedly connected with two clamping blocks (35), and a groove is formed in the top end of the clamping block (35).

7. A desulphurisation cooler according to claim 6, characterised in that: The bottom end of the blocking block (34) is fixedly connected with a column rod (36), and the outer surface edge of the column rod (36) is arc-shaped.

8. A desulphurisation cooler according to claim 6, characterised in that: The inner wall of the cylinder (21) is fixedly connected with auxiliary blocks (37) at the upper and lower sides, and a semicircular groove is formed in one side of the auxiliary block (37).