Rotary kiln hot tail gas recovery device with filtering anti-blocking structure

By introducing a filtering and anti-blocking structure into the rotary kiln hot tail gas recovery device and using components such as a cleaning scraper and a vacuum pump, the problem of impurity blockage in the tail gas is solved, effective filtration and simple cleaning of impurities are achieved, and the equipment life is extended.

CN223448963UActive Publication Date: 2025-10-17HENAN IRON & STEEL GROUP CO LTD +2
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Patent Information

Application Number
CN202422840374.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-17
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

The tail gas from the existing rotary kiln hot tail gas recovery device contains a large amount of impurities, which causes equipment blockage and is inconvenient to clean, shortening the equipment life.

Method used

A rotary kiln hot tail gas recovery device with a filtering and anti-blocking structure is designed, which includes a filter plate, a cleaning scraper, an adjustment block and an adjustment rod. The adjustment block is driven up and down by the adjustment rod, and the cleaning scraper fits tightly against the filter plate to scrape off impurities, which are then collected centrally through an air guide box and an air pump.

Benefits of technology

It effectively filters impurities in the exhaust gas, avoids equipment blockage, simplifies the impurity cleaning process, extends equipment life and improves operational stability and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rotary kiln hot tail gas recovery device with a filtering anti-blocking structure, which comprises a recovery box and a filtering plate, the left side and the right side of the recovery box are respectively provided with a gas guide pipe, and the left side of the recovery box is connected with a waste heat recovery device through the gas guide pipes; anti-blocking mechanisms are arranged on the left side and the right side of the filter plate, each anti-blocking mechanism comprises a cleaning scraping frame, an adjusting block, an adjusting rod and a fixing frame, the filter plate is tightly attached to the cleaning scraping frame, and the adjusting blocks are in threaded connection with the adjusting rods; a cleaning mechanism is arranged on the outer side of the recycling box and comprises an air guide box, an impurity concentration box, an air extracting pump and fixing pipes, and the fixing pipes are distributed on the air guide box in an array mode. According to the rotary kiln hot tail gas recovery device with the filtering anti-blocking structure, impurities in tail gas can be effectively filtered, the situation that the service life of equipment is shortened due to the fact that the impurities block the equipment is avoided, the impurities are conveniently cleaned, operation is easy and fast, and the structure is stable and reliable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary kiln technical field, concretely is a rotary kiln hot tail gas recovery device with filter anti -blocking structure. BACKGROUND

[0002] Rotary kiln is a kind of rotary calcination kiln, due to its low energy consumption characteristics, it is widely used in building materials, metallurgy and chemical industry and other fields, generally divided into cement kiln, metallurgical chemical kiln and lime kiln etc., the hot tail gas of rotary kiln will use recovery device to recycle, to reduce energy waste, realize resource recycling, ecological sustainable development, the rotary kiln hot tail gas recovery device on the market is various, but still there are some shortcomings;

[0003] Such as tail gas contains a large amount of impurities, impurities will block the equipment, shorten the service life of equipment, and it is inconvenient to clean the impurities, therefore, we propose a rotary kiln hot tail gas recovery device with filter anti -blocking structure to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a rotary kiln hot tail gas recovery device with filter anti -blocking structure to solve the problems of the current rotary kiln hot tail gas recovery device raised in the above background art, the tail gas recovered contains a large amount of impurities, impurities will block the equipment, shorten the service life of equipment, and it is inconvenient to clean the impurities.

[0005] To achieve the above object, the utility model provides the following technical scheme: a rotary kiln hot tail gas recovery device with filter anti -blocking structure, comprising:

[0006] Recovery box, the left and right sides of the recovery box are both installed with gas guide pipe, and the left side of recovery box is connected with waste heat recovery device through gas guide pipe;

[0007] Further comprising:

[0008] Filter plate, the left and right sides of the filter plate are both provided with anti -blocking mechanism, wherein the anti -blocking mechanism includes cleaning scraper, adjusting block, adjusting rod and fixed frame, the filter plate and cleaning scraper are closely attached, and the adjusting block and adjusting rod are threadedly connected;

[0009] The outer side of the recovery box is provided with cleaning mechanism, wherein the cleaning mechanism includes gas guide box, impurity concentration box, air suction pump and fixed pipe, and the fixed pipe is arrayed on the gas guide box.

[0010] Preferably, the inside of the recovery box is installed with filter plate at equal intervals, and the left and right sides of the filter plate are both provided with cleaning scraper, and the upper top surface cross section length of the cleaning scraper is less than the lower top surface cross section length.

[0011] Preferably, the outer side of the cleaning scraper is integrally provided with an adjusting block, and the outer side of the adjusting block is connected with a fixed frame through a clamping groove.

[0012] Preferably, the outer side of the adjusting block is tightly fitted with a first rubber strip and a second rubber strip, and the outer side of the first rubber strip and the second rubber strip is fixed on the fixed frame.

[0013] Preferably, the upper end of the adjusting rod is provided with a driving motor, and the upper side of the driving motor is provided with a transmission mechanism.

[0014] Preferably, the front side of the recovery box is fixed with a fixed pipe, and the fixed pipe and the cleaning scraper are one-to-one correspondingly arranged, and the front end of the fixed pipe is fixed with an air guide box.

[0015] Preferably, the lower side of the air guide box is provided with a impurity concentrating box, and the inner side of the impurity concentrating box is connected with a dust collecting box through a clamping groove, and the lower side of the impurity concentrating box is provided with an air suction pump.

[0016] Compared with the prior art, the beneficial effects of the rotary kiln hot tail gas recovery device with the filtering and anti-blocking structure are as follows: the impurities in the tail gas can be effectively filtered, the equipment life is not shortened due to the impurities blocking the equipment, the impurities can be conveniently cleaned, the operation is simple and fast, and the structure is stable and reliable.

[0017] 1. The cleaning scraper, the adjusting block and the adjusting rod are arranged, the adjusting block is lifted by rotating the adjusting rod, the adjusting block drives the cleaning scraper to lift, the cleaning scraper is tightly fitted on the left and right sides of the filter plate, the impurities on the filter plate are scraped off by the cleaning scraper, the impurities in the tail gas can be effectively filtered, and the equipment life is not shortened due to the impurities blocking the equipment.

[0018] 2. The air guide box, the impurity concentrating box and the air suction pump are arranged, the impurity concentrating box is arranged on the upper side of the air suction pump, the air guide box is arranged on the upper side of the impurity concentrating box, the air guide box is connected with the fixed pipe and the recovery box, the impurities in the cleaning scraper enter the impurity concentrating box through the fixed pipe by opening the air suction pump, and the impurities can be conveniently cleaned.

[0019] 3. The fixed frame, the first rubber strip and the second rubber strip are arranged, the first rubber strip and the second rubber strip are fixed on the inner side of the fixed frame, the first rubber strip and the second rubber strip are tightly fitted on the adjusting block, the first rubber strip and the second rubber strip slide between each other when the adjusting block lifts, the first rubber strip and the second rubber strip are always tightly fitted, the impurities are prevented from entering the fixed frame, the operation is simple and fast, and the structure is stable and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is the profile rear view structure schematic diagram of the utility model;

[0022] Figure 3 It is the filter plate and cleaning scraper connection integral structure schematic diagram of the utility model;

[0023] Figure 4 It is the anti-blocking mechanism integral structure schematic diagram of the utility model;

[0024] Figure 5 It is the utility model Figure 4 The enlarged structure schematic diagram of A in the middle.

[0025] In the drawing: 1, recycling box;2, gas guide pipe;3, filter plate;4, cleaning scraper;5, adjusting block;6, adjusting rod;7, fixed frame;8, first rubber strip;9, second rubber strip;10, drive motor;11, transmission mechanism;12, gas guide box;13, impurity concentration box;14, collection dust box;15, air pump;16, fixed pipe;17, waste heat recovery device. Specific implementation

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a rotary kiln hot tail gas recovery device with filter anti-blocking structure, including recycling box 1, gas guide pipe 2, filter plate 3, scraper 4, adjusting block 5, adjusting rod 6, fixed frame 7, first rubber strip 8, second rubber strip 9, drive motor 10, transmission mechanism 11, gas guide box 12, collection box 13, dust box 14, air pump 15, fixed pipe 16 and waste heat recovery device 17; Specific embodiment one;

[0029] The existing rotary kiln hot tail gas recovery device is not convenient to filter impurities in tail gas, to solve this technical problem, the present embodiment is as shown in Figure 1 -attached Figure 5 As shown in the middle, hot tail gas enters recycling box 1 through gas guide pipe 2, when passing through filter plate 3, impurities in tail gas are intercepted by filter plate 3, filter plate 3 is equidistantly provided with multiple in recycling box 1, can guarantee filtering effect, filtered tail gas enters waste heat recovery device 17 to carry out recycling treatment;

[0030] In order to avoid the filter plate 3 blockage, prolong the life of the filter plate 3, open the transmission mechanism 11, the transmission mechanism 11 drives its output end installed drive motor 10 operation, drive motor 10 drives its below the integrated setting adjustment rod 6 rotation, adjustment rod 6 drive with its threaded connection adjustment block 5 moves, make adjustment block 5 in with the slot connection fixed frame 7 sliding, when adjustment block 5 sliding, the longitudinal section presents the diamond structure adjustment block 5 between the first rubber strip 8 and the second rubber strip 9 that closely fits, the first rubber strip 8 and the second rubber strip 9 always closely fit with adjustment block 5, avoid impurities into fixed frame 7, adjustment block 5 drive with the integrated setting cleaning scraper 4 lifting, make cleaning scraper 4 slide on the outside of the filter plate 3, because the inside of cleaning scraper 4 below and the outside of the filter plate 3 closely fit, when cleaning scraper 4 from bottom to top sliding, the impurities on the filter plate 3 are scraped by cleaning scraper 4, the impurities are concentrated in cleaning scraper 4, avoid the filter plate 3 blockage; Specific embodiment two;

[0032] The present embodiment is shown in the accompanying drawings Figure 1 And shown in the accompanying drawings Figure 2 When it is needed to clean the impurities in the cleaning scraper 4, open the air pump 15, the fixed pipe 16 corresponding to the cleaning scraper 4 is arranged, the impurities in the cleaning scraper 4 are pumped out, so that the impurities enter the air guide box 12 and are concentrated in the impurity concentration box 13, the collection dust box 14 is connected with the slot in the impurity concentration box 13, the filter material or filter material can be filled in the collection dust box 14, so that the impurities can be collected, and the collection dust box 14 can be taken out when it is needed to clean the impurities.

[0033] This is the whole working process of the rotary kiln heat tail gas recovery device with the filter anti-blocking structure, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0034] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rotary kiln hot tail gas recovery device with a filtering and anti-blocking structure, comprising: A recovery box (1), wherein air ducts (2) are installed on both the left and right sides of the recovery box (1), and the left side of the recovery box (1) is connected to a waste heat recovery device (17) through the air duct (2); It is characterized by further comprising: A filter plate (3), wherein both left and right sides of the filter plate (3) are provided with an anti-blocking mechanism, wherein the anti-blocking mechanism comprises a cleaning scraper (4), an adjusting block (5), an adjusting rod (6) and a fixing frame (7), wherein the filter plate (3) and the cleaning scraper (4) are tightly fitted, and the adjusting block (5) and the adjusting rod (6) are threadedly connected; A cleaning mechanism is provided on the outside of the recovery box (1), wherein the cleaning mechanism comprises an air guide box (12), an impurity concentration box (13), an air pump (15) and a fixed pipe (16), wherein the fixed pipe (16) is distributed in an array on the air guide box (12).

2. The rotary kiln hot tail gas recovery device with a filtering and anti-blocking structure according to claim 1, characterized in that: Filter plates (3) are installed at equal intervals inside the recovery box (1), and cleaning scrapers (4) are provided on both the left and right sides of the filter plates (3), wherein the cross-sectional length of the upper top surface of the cleaning scraper (4) is smaller than the cross-sectional length of the lower top surface.

3. The rotary kiln hot tail gas recovery device with a filtering and anti-blocking structure according to claim 2, characterized in that: An adjusting block (5) is integrally provided on the outer side of the cleaning scraper (4), and a fixing frame (7) is connected to the outer slot of the adjusting block (5). The longitudinal section of the adjusting block (5) is a diamond-shaped structure.

4. The rotary kiln hot tail gas recovery device with a filtering and anti-blocking structure according to claim 3, characterized in that: A first rubber strip (8) and a second rubber strip (9) are tightly fitted to the outer side of the adjustment block (5), and the outer sides of the first rubber strip (8) and the second rubber strip (9) are fixed to the fixing frame (7).

5. The rotary kiln hot tail gas recovery device with a filtering and anti-blocking structure according to claim 1, characterized in that: A driving motor (10) is installed on the upper end of the adjusting rod (6), and a transmission mechanism (11) is installed above the driving motor (10).

6. The rotary kiln hot tail gas recovery device with a filtering and anti-blocking structure according to claim 1, characterized in that: A fixed pipe (16) is fixed in front of the recovery box (1), and the fixed pipe (16) and the cleaning scraper (4) are arranged in a one-to-one correspondence. An air guide box (12) is fixed at the front end of the fixed pipe (16).

7. The rotary kiln hot tail gas recovery device with a filtering and anti-blocking structure according to claim 6, characterized in that: An impurity collection box (13) is installed below the air guide box (12), and an internal card slot of the impurity collection box (13) is connected to a dust collection box (14). An air pump (15) is installed below the impurity collection box (13).

Citation Information

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