Combustion tail gas heat recycling device

By designing an adjustable intake pipe structure, the problem of insufficient heat exchange in exhaust gas caused by fixed intake pipes is solved, and efficient recovery and utilization of exhaust gas heat is achieved.

CN223691573UActive Publication Date: 2025-12-19ANHUI GUOTAI CHEM CO LTD
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Patent Information

Application Number
CN202423099020.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-19
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In existing combustion exhaust heat recovery devices, the intake pipe is designed to be fixed, which results in insufficient heat exchange when the exhaust gas passes through at too high a rate, thus reducing the heat recovery efficiency.

Method used

An adjustable intake pipe structure was designed, which uses a round shaft, adjusting plate, short rod and movable plate to control the intake rate and improve heat exchange efficiency.

Benefits of technology

By adjusting the intake rate, the efficiency of heat recovery and utilization from the exhaust gas is improved, ensuring that heat is fully exchanged and utilized.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of tail gas treatment equipment, and discloses a combustion tail gas heat recycling device which comprises a device body, a gas inlet pipe is fixedly installed at the right end of the device body, a first flange is fixedly connected to the right side of the outer surface of the gas inlet pipe in a sleeved mode, and a circular shaft is movably connected to the interior of the first flange in a sleeved mode. The middle of the outer surface of the circular shaft is fixedly sleeved with an adjusting plate. By arranging the circular shaft, the adjusting plate, the short rod, the long rod and the movable plate, when the movable plate is pushed, the movable plate drives the long rod to move along the outer surface of the air inlet pipe, so that the other end of the long rod generates pulling force on the short rod, the short rod is pulled to drive the circular shaft to rotate, and the air inlet pipe is driven to rotate. And the adjusting plate is driven by the circular shaft to rotate together, so that the gas inlet rate of the gas inlet pipe can be controlled by controlling opening and closing of the adjusting plate, and the tail gas heat recycling efficiency of the recycling device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to tail gas treatment equipment technical field, specifically is combustion tail gas heat recycling device. BACKGROUND

[0002] Potassium sulfate Mannheim furnace, also known as potassium sulfate reaction furnace, is the core equipment for producing potassium sulfate by Mannheim method, which is composed of combustion chamber, reaction chamber, stirrer, burner, feeder and discharge port, and is a kind of efficient, stable and easy-to-operate equipment for producing potassium sulfate, which plays an important role in future agricultural production.

[0003] In the use process of potassium sulfate Mannheim furnace, a large amount of heat is often contained in the combustion tail gas, in order to recycle and utilize this part of heat, a corresponding recycling device is needed, which mainly utilizes the heat of combustion tail gas through the heat exchanger inside the device, but in the actual use process, there are still some deficiencies, because the gas inlet pipe of the recycling device is mostly designed in a fixed manner, so that the cross-sectional area of the gas inlet pipe is fixed, when the rate of tail gas entering the device through the gas inlet pipe is too fast, part of the tail gas heat will not be converted by the heat exchanger in time and be discharged, thereby reducing the recycling efficiency of tail gas heat, therefore, improvement is needed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a combustion tail gas heat recycling device, which has the advantages of improving the recycling efficiency of tail gas heat.

[0005] To achieve the above object, the utility model provides the following technical scheme: a combustion tail gas heat recycling device, comprising a device main body, a gas inlet pipe is fixedly installed at the right end of the device main body, a first flange is fixedly sleeved on the right side of the outer surface of the gas inlet pipe, a circular shaft is movably sleeved in the first flange, an adjusting plate is fixedly sleeved on the middle part of the outer surface of the circular shaft, the outer surface of the adjusting plate and the inner surface of the gas inlet pipe are movably sleeved, the bottom end of the circular shaft penetrates through the gas inlet pipe and extends to the outside of the gas inlet pipe and is movably sleeved with a first fixed seat, the top end of the first fixed seat is fixedly connected with the bottom end of the gas inlet pipe, a stop block is fixedly sleeved on the bottom of the outer surface of the circular shaft, the top end of the stop block is movably connected with the bottom end of the first fixed seat, the top end of the circular shaft penetrates through the gas inlet pipe and extends to the outside of the gas inlet pipe and is movably sleeved with a second fixed seat, the bottom end of the second fixed seat is fixedly connected with the top end of the gas inlet pipe, a short rod is fixedly sleeved on the top of the outer surface of the circular shaft, the bottom end of the short rod is movably connected with the top end of the second fixed seat, a long rod is hinged on the rear side of the top end of the short rod, the other end of the long rod is hinged with a movable plate, and the inner surface of the movable plate is movably sleeved with the outer surface of the gas inlet pipe.

[0006] As the utility model is preferred, the left side of the device main body top end is fixedly sleeved with a gas outlet pipe, the top of the gas outlet pipe outer surface is fixedly sleeved with a second flange.

[0007] As the utility model is preferred, the left side of the device main body top end is fixedly sleeved with a gas outlet pipe, the top of the gas outlet pipe outer surface is fixedly sleeved with a second flange.

[0008] As the utility model is preferred, the left side of the device main body top end is fixedly sleeved with a gas outlet pipe, the top of the gas outlet pipe outer surface is fixedly sleeved with a second flange.

[0009] As the utility model is preferred, the left side of the device main body top end is fixedly sleeved with a gas outlet pipe, the top of the gas outlet pipe outer surface is fixedly sleeved with a second flange.

[0010] As the utility model is preferred, the left side of the device main body top end is fixedly sleeved with a gas outlet pipe, the top of the gas outlet pipe outer surface is fixedly sleeved with a second flange.

[0011] As the utility model is preferred, the left side of the device main body top end is fixedly sleeved with a gas outlet pipe, the top of the gas outlet pipe outer surface is fixedly sleeved with a second flange.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] The utility model discloses a circular shaft, adjusting plate, short pole, long lever and movable plate are set up, when the movable plate is pushed, will make movable plate with long lever move along the outer surface of the air inlet pipe, so that the other end of long lever produces a tension to short pole, and short pole is pulled and circular shaft rotates, so that adjusting plate rotates together under the driving of circular shaft, and the air inlet rate of air inlet pipe can be controlled by controlling the opening and closing of adjusting plate, thereby improve the recycling device to the recycling efficiency of tail gas heat. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the structure schematic drawing of the utility model;

[0015] Figure 2 It is the structure schematic drawing of the utility model front cross section;

[0016] Figure 3 It is the structure schematic drawing of the utility model bottom cross section;

[0017] Figure 4 As Figure 2 A local enlarged structure schematic view at middle A;

[0018] Figure 5 As Figure 3 A local enlarged structure schematic view at middle B;

[0019] Figure 6 As Figure 3 A local enlarged structure schematic view at middle C.

[0020] In the figure: 1, device main body; 2, air inlet pipe; 3, first flange; 4, round shaft; 5, adjusting plate; 6, first fixed seat; 7, stop block; 8, second fixed seat; 9, short rod; 10, long rod; 11, movable plate; 12, air outlet pipe; 13, second flange; 14, water inlet pipe; 15, water outlet pipe; 16, limiting rod; 17, limiting block; 18, cross rod; 19, round hole; 20, clamping rod; 21, rectangular block; 22, spring; 23, handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] As Figures 1 to 6As shown, the utility model provides combustion tail gas heat recycling device, including device main body 1, the right -hand member fixed mounting of device main body 1 has the air inlet pipe 2, the right side fixed sleeve of air inlet pipe 2 outer surface has the first flange 3, the inside movable sleeve of first flange 3 has round shaft 4, the middle part fixed sleeve of round shaft 4 outer surface has the adjusting plate 5, the outer surface of adjusting plate 5 and the inner surface movable sleeve of air inlet pipe 2, the bottom of round shaft 4 penetrates air inlet pipe 2 and extends to the outside of air inlet pipe 2 and movable sleeve has the first fixed seat 6, the top of first fixed seat 6 and the bottom of air inlet pipe 2 fixed connection, the bottom fixed sleeve of round shaft 4 outer surface has the stop block 7, the top of stop block 7 and the bottom of first fixed seat 6 swing joint, the top of round shaft 4 penetrates air inlet pipe 2 and extends to the outside of air inlet pipe 2 and movable sleeve has the second fixed seat 8, the bottom of second fixed seat 8 and the top of air inlet pipe 2 fixed connection, the top fixed sleeve of round shaft 4 outer surface has the short pole 9, the bottom of short pole 9 and the top of second fixed seat 8 swing joint, the rear side of short pole 9 top is articulated with long lever 10, the other end of long lever 10 is articulated with movable plate 11, the inner surface of movable plate 11 and the outer surface movable sleeve of air inlet pipe 2;When push movable plate 11, will make movable plate 11 along the outer surface of air inlet pipe 2 move, because the left and right ends of long lever 10 are articulated with movable plate 11 and short pole 9 respectively, so with the movement of movable plate 11, one end of long lever 10 will move together, thereby making the other end of long lever 10 produce a pulling force to short pole 9, pull short pole 9 and make round shaft 4 rotate, thereby making adjusting plate 5 rotate with round shaft 4, so as to control the opening and closing of adjusting plate 5 to control the air inlet rate of air inlet pipe 2, thereby improving the recovery efficiency of recycling device to tail gas heat.

[0023] Wherein, the left side fixed sleeve of device main body 1 top has the air outlet pipe 12, the top fixed sleeve of air outlet pipe 12 outer surface has the second flange 13;Because the existence of air outlet pipe 12, will be convenient for the discharge after the tail gas treated by recycling device, and the existence of second flange 13, will be convenient for the connection of air outlet pipe 12 and the rest of pipeline.

[0024] Wherein, the left side fixed sleeve of device main body 1 front end has the water inlet pipe 14, the right side fixed sleeve of device main body 1 front end has the water outlet pipe 15;When water from water inlet pipe 14 enters the heat exchanger inside device main body 1, will absorb the heat carried in tail gas and discharge from water outlet pipe 15, thereby completing the recycling of combustion tail gas heat, and further improve the utilization rate of tail gas.

[0025] The left side of the bottom end of the device body 1 is fixedly provided with a limiting rod 16, the right side of the outer surface of the limiting rod 16 is movably sleeved with the inner surface of the bottom end of the movable plate 11, the right side of the outer surface of the limiting rod 16 is fixedly sleeved with a limiting block 17, and the left end of the limiting block 17 is movably connected with the right end of the movable plate 11; the outer surface of the limiting rod 16 and the inner surface of the movable plate 11 are smooth, so that the movable plate 11 can move along the limiting rod 16 without being stuck, and the cooperation of the limiting rod 16 and the limiting block 17 can limit the movement of the movable plate 11, so that the stability of the movement of the movable plate 11 is ensured.

[0026] The left side of the top end of the air inlet pipe 2 is fixedly provided with a cross rod 18, the right side of the outer surface of the cross rod 18 is movably sleeved with the inner surface of the top end of the movable plate 11, and a round hole 19 is formed in the top end of the cross rod 18; the round holes 19 are uniformly formed in the top end of the cross rod 18, so that the position of the movable plate 11 can be locked while being limited, so that the movable plate 11 can stop at a specified position.

[0027] The inside of the round hole 19 is movably sleeved with a clamping rod 20, the top end of the clamping rod 20 penetrates through the movable plate 11 and extends to the outside of the movable plate 11, the inside of the clamping rod 20 is movably sleeved with a rectangular block 21, and the bottom end of the rectangular block 21 is fixedly connected with the top end of the movable plate 11; due to the existence of the rectangular block 21, the movement of the clamping rod 20 is limited, the position of the movable plate 11 is locked when the clamping rod 20 and the round hole 19 are kept in the embedded state, and the movable plate 11 can be pushed when the clamping rod 20 and the round hole 19 are separated.

[0028] The top end of the rectangular block 21 is fixedly provided with a spring 22, the other end of the spring 22 is fixedly installed in the top end of the clamping rod 20, and the top of the outer surface of the clamping rod 20 is fixedly sleeved with a handle 23; when the handle 23 is pulled, the clamping rod 20 moves along the outer surface of the rectangular block 21 and stretches the spring 22, and under the restoring action of the spring 22, when the handle 23 is released, the clamping rod 20 is forced to return to the original position.

[0029] The working principle and use process of the utility model are as follows:

[0030] In use, the operator first pulls the handle 23, so that the handle 23 moves along the outer surface of the rectangular block 21 with the clamping rod 20 and stretches the spring 22, so that the clamping rod 20 and the round hole 19 are separated, then the operator can push the movable plate 11, so that the movable plate 11 moves along the outer surface of the air inlet pipe 2 with one end of the long rod 10, so that the other end of the long rod 10 generates a pulling force on the short rod 9, the short rod 9 is pulled through the circular shaft 4 to rotate the adjusting plate 5, until the adjusting plate 5 is rotated to a specified angle, at this time the clamping rod 20 is aligned with another round hole 19.

[0031] Subsequently, the operator releases the handle 23, and under the restoring action of the spring 22, the clamping rod 20 will be restored to the original position and embedded in another round hole 19, thereby locking the position of the movable plate 11, so that the air inlet rate of the air inlet pipe 2 can be controlled by controlling the rotation angle of the adjusting plate 5, thereby improving the recycling efficiency of the recycling device for the tail gas heat.

[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations 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 can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for recovering and utilizing heat of combustion exhaust gas, comprising a device main body (1), characterized in that: The right end of the device body (1) is fixedly installed with an air inlet pipe (2), the right side of the outer surface of the air inlet pipe (2) is fixedly sleeved with a first flange (3), the inside of the first flange (3) is movably sleeved with a round shaft (4), the middle of the outer surface of the round shaft (4) is fixedly sleeved with an adjusting plate (5), the outer surface of the adjusting plate (5) and the inner surface of the air inlet pipe (2) are movably sleeved, the bottom end of the round shaft (4) penetrates through the air inlet pipe (2) and extends to the outside of the air inlet pipe (2) and is movably sleeved with a first fixed seat (6), the top end of the first fixed seat (6) and the bottom end of the air inlet pipe (2) are fixedly connected, the bottom of the outer surface of the round shaft (4) is fixedly sleeved with a stop block (7), the top end of the stop block (7) and the bottom end of the first fixed seat (6) are movably connected, the top end of the round shaft (4) penetrates through the air inlet pipe (2) and extends to the outside of the air inlet pipe (2) and is movably sleeved with a second fixed seat (8), the bottom end of the second fixed seat (8) and the top end of the air inlet pipe (2) are fixedly connected, the top of the outer surface of the round shaft (4) is fixedly sleeved with a short rod (9), the bottom end of the short rod (9) and the top end of the second fixed seat (8) are movably connected, the rear side of the top end of the short rod (9) is hingedly connected with a long rod (10), the other end of the long rod (10) is hingedly connected with a movable plate (11), the inner surface of the movable plate (11) and the outer surface of the air inlet pipe (2) are movably sleeved.

2. The combustion exhaust heat recovery device of claim 1, wherein: The left side of the top end of the device body (1) is fixedly sleeved with an air outlet pipe (12), the top of the outer surface of the air outlet pipe (12) is fixedly sleeved with a second flange (13).

3. The combustion exhaust heat recovery device of claim 1, wherein: The left side of the front end of the device body (1) is fixedly sleeved with a water inlet pipe (14), the right side of the front end of the device body (1) is fixedly sleeved with a water outlet pipe (15).

4. The combustion exhaust heat recovery device of claim 1, wherein: The left side of the bottom end of the device body (1) is fixedly installed with a limiting rod (16), the right side of the outer surface of the limiting rod (16) and the inner surface of the bottom end of the movable plate (11) are movably sleeved, the right side of the outer surface of the limiting rod (16) is fixedly sleeved with a limiting block (17), the left end of the limiting block (17) and the right end of the movable plate (11) are movably connected.

5. The combustion exhaust heat recovery device of claim 1, wherein: The left side of the top end of the air inlet pipe (2) is fixedly installed with a cross rod (18), the right side of the outer surface of the cross rod (18) and the inner surface of the top end of the movable plate (11) are movably sleeved, the top end of the cross rod (18) is provided with a circular hole (19).

6. The combustion exhaust heat recovery device of claim 5, wherein: The inside of the circular hole (19) is movably sleeved with a clamping rod (20), the top end of the clamping rod (20) penetrates through the movable plate (11) and extends to the outside of the movable plate (11), the inside of the clamping rod (20) is movably sleeved with a rectangular block (21), the bottom end of the rectangular block (21) and the top end of the movable plate (11) are fixedly connected.

7. The combustion exhaust heat recovery device of claim 6, wherein: The top end of the rectangular block (21) is fixedly installed with a spring (22), the other end of the spring (22) is fixedly installed at the top end inside the clamping rod (20), the top of the outer surface of the clamping rod (20) is fixedly sleeved with a handle (23).