Energy-saving double-hearth lime kiln with waste heat recovery function

Abstract

The utility model discloses an energy-saving double-chamber lime kiln with a waste heat recovery function, relates to the technical field of double-chamber lime kiln structures, and aims to solve the problem that energy waste is caused due to the fact that heat cannot be well recovered when an existing double-chamber lime kiln works. A second kiln chamber is arranged on one side of the first kiln chamber, a communicating base is arranged between the first kiln chamber and the second kiln chamber, a discharging base is installed below the first kiln chamber and the second kiln chamber, a first kiln top is arranged at the upper end of the first kiln chamber, a second kiln top is arranged at the upper end of the second kiln chamber, and an air outlet base is arranged above the first kiln top and the second kiln top. A communicating pipe is arranged at the upper end of the air outlet seat, a heat removal pipe is arranged at one end of the air outlet seat, a first recovery pipeline is arranged outside the upper portion of the first kiln chamber and the upper portion of the second kiln chamber, and a second recovery pipeline is arranged above the first recovery pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to double chamber lime kiln structure technical field especially, it is a kind of energy-saving double chamber lime kiln with waste heat recovery function. BACKGROUND

[0002] Double chamber lime kiln is a kind of energy-saving and environment-friendly equipment for firing active lime, which is composed of two kiln chambers, connected by a passage in the middle, uses parallel flow heat storage technology, has higher energy-saving effect and better lime quality, and its working principle is to alternately calcine and store heat by two kiln chambers, to preheat uncalcined limestone using high-temperature flue gas, thereby reducing energy consumption and improving thermal efficiency.

[0003] After retrieval, the authorized announcement No.CN211226932U discloses a good heat storage effect double chamber lime kiln, which comprises two kiln bodies, a heating section is arranged in the inside of the kiln body, the outside of the two kiln bodies is fixedly connected with a heat preservation layer, a cooling section is fixedly installed at the bottom of the two kiln bodies, a discharge pipe is fixedly installed at the bottom of the cooling section, cooling air inlet pipes are fixedly installed on the side opposite to the discharge pipe of the left and right sides and extend into the discharge pipe, first valves are fixedly installed on the outside of the discharge pipe below the cooling air inlet pipes and extend into the discharge pipe, combustion air inlet pipes are fixedly installed on the left and right sides of the heat preservation layer and extend into the inside of the left and right kiln bodies. The good heat storage effect double chamber lime kiln has good heat preservation and heat storage effect, can save resources, reduce cost and is more convenient for users to use.

[0004] However, the existing double chamber lime kiln cannot recover heat well during work, which causes energy waste, so there is an urgent need for an energy-saving double chamber lime kiln with waste heat recovery function to solve these problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an energy-saving double chamber lime kiln with waste heat recovery function to solve the problem of energy waste caused by the fact that the existing double chamber lime kiln cannot recover heat well during work.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The energy-saving double-chamber lime kiln with waste heat recovery function, comprising a kiln chamber one, the kiln chamber one is provided with a kiln chamber two on one side, a communication seat is arranged between the kiln chamber one and the kiln chamber two, a discharging seat is arranged below the kiln chamber one and the kiln chamber two, a kiln top one is arranged at the upper end of the kiln chamber one, a kiln top two is arranged at the upper end of the kiln chamber two, an air outlet seat is arranged above the kiln top one and the kiln top two, a communication pipe is arranged at the upper end of the air outlet seat, a heat exhaust pipe is arranged at one end of the air outlet seat, a recovery pipeline one is arranged outside above the kiln chamber one and the kiln chamber two, and a recovery pipeline two is arranged above the recovery pipeline one.

[0008] By adopting the above technical scheme, the waste heat of the double-chamber lime kiln can be conveniently recovered, so that the energy utilization rate can be improved.

[0009] Further, the kiln chamber two is provided with a discharging seat one at the lower end, and a discharging seat two at the lower end, the discharging seat one and the discharging seat two are communicated with the discharging seat.

[0010] By adopting the above technical scheme, the discharging can be conveniently carried out.

[0011] Further, the communication pipe is provided with a connecting seat two above, and the air outlet seat is provided with a communication pipe above.

[0012] By adopting the above technical scheme, the heat can be conveniently recovered, so that the resource utilization rate can be improved.

[0013] Further, the connecting seat two is provided with a connecting pipe two at one end, the heat exhaust pipe is provided with a connecting pipe one at the upper end, the connecting pipe one is provided with a connecting seat one at the upper end, the connecting seat one is provided with a waste heat recovery pipe one at one side, and the connecting pipe two is communicated with the waste heat recovery pipe one.

[0014] By adopting the above technical scheme, the waste heat can be conveniently recovered, so that the waste heat can be well utilized, so that the resource utilization rate can be improved.

[0015] Further, the recovery pipeline one and the recovery pipeline two are provided with a connecting pipeline therebetween, the connecting pipeline is provided with a plurality of connecting pipelines, the plurality of connecting pipelines are sequentially distributed at one end of the recovery pipeline one, the upper end of the connecting pipeline is communicated with the recovery pipeline two, and the lower end of the connecting pipeline is communicated with the recovery pipeline one.

[0016] By adopting the above technical scheme, the connecting pipeline can conveniently convey the heat, and when the connecting pipeline is blocked, the overall heat conveying effect will not be affected.

[0017] Furthermore, one end of the recovery pipe is provided with a heat extraction pipe, and the other end of the recovery pipe is provided with a heat supply pipe. One end of the recovery pipe is provided with a heat extraction pipe. One end of the heat extraction pipe is connected to the kiln chamber 1, and the other end of the heat extraction pipe is connected to the kiln chamber 2. One end of the heat extraction pipe is connected to the kiln chamber 1, and the other end of the heat extraction pipe is connected to the kiln chamber 2.

[0018] By adopting the above technical solution, the pipes can be connected, which makes heat transfer more convenient and can effectively transfer heat.

[0019] Furthermore, a connecting device is provided at one end of the heat supply pipe, and a waste heat recovery pipe II is installed on one side of the connecting device.

[0020] By adopting the above technical solution, the waste heat recovery pipe can effectively transport heat to where it is needed, thereby realizing the recovery and utilization of waste heat.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] (1) When the double-chamber lime kiln of this utility model is working, when the waste heat is recovered, the heat rises from the upper end of the kiln chamber 1 and the kiln chamber 2. The waste heat enters the interior of the connecting seat 2 and the connecting seat 1 through the connecting pipe and the heat exhaust pipe respectively. Then, it enters the interior of the waste heat recovery pipe 1 through the connecting pipe 2. Then, the waste heat is transported to the required location through the waste heat recovery pipe 1, thereby recovering the waste heat.

[0023] (2) This utility model connects the waste heat recovery pipe 2 to an external exhaust device, and then turns on the exhaust device to generate suction in the waste heat recovery pipe 2, so that the recovery pipe 2 extracts the waste heat inside the kiln chamber 1 and the kiln chamber 2 respectively. The set recovery pipe 1 can improve the efficiency of waste heat extraction. At the same time, the connecting pipe can easily connect the recovery pipe 1 and the recovery pipe 2. In addition, multiple connecting pipes can prevent the connection pipe from being blocked, which would affect the efficiency of waste heat extraction. Attached Figure Description

[0024] Figure 1 This is the overall front view of the present invention;

[0025] Figure 2 This is the overall rear view of the present invention;

[0026] Figure 3 For the present utility model Figure 1 A magnified view of a portion of area A;

[0027] Figure 4 For the present utility model Figure 2 A magnified view of a portion of area B.

[0028] In the figure: 1, kiln one; 2, discharge seat one; 3, kiln two; 4, discharge seat two; 5, lower discharge seat; 6, communication seat; 7, kiln top one; 8, kiln top two; 9, gas outlet seat; 10, communication pipe; 11, heat exhaust pipe; 12, connecting pipe one; 13, connecting seat one; 14, connecting seat two; 15, connecting pipe two; 16, waste heat recovery pipe one; 17, recovery pipeline one; 1701, heat extraction pipe one; 1702, heat supply pipe; 18, recovery pipeline two; 1801, heat extraction pipe two; 19, connecting pipeline; 20, communication device; 21, waste heat recovery pipe two. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of energy-saving double-chamber lime kiln with waste heat recovery function, including kiln one 1, the one side of kiln one 1 is provided with kiln two 3, communication seat 6 is arranged between kiln one 1 and kiln two 3, lower discharge seat 5 is installed in the lower of kiln one 1 and kiln two 3, the upper end of kiln one 1 is provided with kiln top one 7, the upper end of kiln two 3 is provided with kiln top two 8, kiln top one 7 and kiln top two 8 are provided with gas outlet seat 9 above, the upper end of gas outlet seat 9 is provided with communication pipe 10, connecting seat two 14 is provided with communication pipe 10 above, gas outlet seat 9 is provided with communication pipe 10 above, one end of gas outlet seat 9 is provided with heat exhaust pipe 11, the outside of kiln one 1 and kiln two 3 above is provided with recovery pipeline one 17, recovery pipeline two 18 is provided with recovery pipeline one 17 above, kiln two 3 lower end is provided with discharge seat one 2, kiln two 3 lower end is provided with discharge seat two 4, discharge seat one 2 is communicated with lower discharge seat 5, discharge seat two 4 is communicated with lower discharge seat 5, wherein heat can be conveniently entered into the inside of communication pipe 10 and heat exhaust pipe 11 by communication pipe 10 and heat exhaust pipe 11, then waste heat is conveniently recovered, waste heat inside kiln one 1 and kiln two 3 can be further recovered and utilized by recovery pipeline one 17 and recovery pipeline two 18, to improve energy utilization, it needs to be explained that, in order to save length, highlight the innovation elements of this patent, such as double-chamber lime kiln specific working principle and working process, not described in this patent.

[0031] Please refer to Figures 1-4One end of the connecting seat 2 14 is provided with a connecting pipe 2 15. The upper end of the heat exhaust pipe 11 is provided with a connecting pipe 1 12. The upper end of the connecting pipe 1 12 is provided with a connecting seat 1 13. A waste heat recovery pipe 1 16 is provided on one side of the connecting seat 1 13. The connecting pipe 2 15 is connected to the waste heat recovery pipe 1 16. A connecting pipe 19 is provided between the recovery pipe 1 17 and the recovery pipe 2 18. Several connecting pipes 19 are provided, and the several connecting pipes 19 are distributed sequentially at one end of the recovery pipe 1 17. The upper end of the connecting pipe 19 is connected to the recovery pipe 2 18, and the lower end of the connecting pipe 19 is connected to the recovery pipe 1 17. One end of the recovery pipe 17 is provided with a heat extraction pipe 1701, and the other end of the recovery pipe 17 is provided with a heat delivery pipe 17. 02. One end of the recovery pipe 2 18 is equipped with a heat extraction pipe 2 1801. One end of the heat extraction pipe 1 1701 is connected to the kiln chamber 1, and the other end of the heat extraction pipe 1 1701 is connected to the kiln chamber 2 3. One end of the heat supply pipe 1702 is equipped with a connecting device 20. A waste heat recovery pipe 2 21 is installed on one side of the connecting device 20. Through the connecting pipe 2 15 and the waste heat recovery pipe 1 16, the waste heat can be conveniently transported to the required location, so as to better recover and utilize the waste heat. Through the waste heat recovery pipe 2 21, the recovered waste heat can be further transported, so as to conveniently utilize the recovered waste heat.

[0032] Working Principle: During operation, when the double-chamber lime kiln is in operation, heat rises from the upper ends of kiln chamber 1 and kiln chamber 2 3. The waste heat enters the interior of connecting seat 2 14 and connecting seat 1 13 through connecting pipe 10 and heat exhaust pipe 11 respectively, and then enters the interior of waste heat recovery pipe 1 16 through connecting pipe 2 15. The waste heat is then transported to the required location through waste heat recovery pipe 1 16 for recovery. By connecting an external exhaust fan to waste heat recovery pipe 2 21 and turning on the exhaust fan, suction is generated in waste heat recovery pipe 2 21, which in turn extracts the waste heat from kiln chamber 1 and kiln chamber 2 3 through recovery pipe 2 18. The set recovery pipe 1 17 can improve the efficiency of waste heat extraction. At the same time, the connecting pipe 19 can easily connect recovery pipe 1 17 and recovery pipe 2 18. In addition, multiple connecting pipes 19 can prevent blockage of connecting pipes 19 from affecting the efficiency of waste heat extraction.

[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An energy-saving double-chamber lime kiln with waste heat recovery function, comprising a kiln chamber (1), characterized in that: The one side of the kiln (1) is provided with kiln two (3), the kiln one (1) and kiln two (3) between the setting has the communication seat (6), the kiln one (1) and kiln two (3) below installation has the lower seat (5), the upper end of the kiln one (1) is provided with kiln top one (7), the upper end of the kiln two (3) is provided with kiln top two (8), the upper end of the kiln top one (7) and kiln top two (8) is provided with the gas outlet seat (9), the upper end of the gas outlet seat (9) is provided with the communication pipe (10), one end of the gas outlet seat (9) is provided with the exhaust pipe (11), the outside of the kiln one (1) and kiln two (3) above is provided with recovery pipeline one (17), the upper side of the recovery pipeline one (17) is provided with recovery pipeline two (18), the.

2. The energy-saving double-chamber lime kiln with waste heat recovery function according to claim 1, characterized in that: The lower end of the kiln two (3) is provided with the discharge seat one (2), the lower end of the kiln two (3) is provided with the discharge seat two (4), the discharge seat one (2) and the lower seat (5) are communicated, the discharge seat two (4) and the lower seat (5) are communicated.

3. The energy-saving double-chamber lime kiln with waste heat recovery function according to claim 2, characterized in that: The upper side of the communication pipe (10) is provided with the connecting seat two (14), the upper side of the gas outlet seat (9) is provided with the communication pipe (10).

4. The energy-saving double-chamber lime kiln with waste heat recovery function according to claim 3, characterized in that: One end of the connecting seat two (14) is provided with the connecting pipe two (15), the upper end of the exhaust pipe (11) is provided with the connecting pipe one (12), the upper end of the connecting pipe one (12) is provided with the connecting seat one (13), one side of the connecting seat one (13) is provided with the waste heat recovery pipe one (16), the connecting pipe two (15) and the waste heat recovery pipe one (16) are communicated.

5. The energy-saving double-chamber lime kiln with waste heat recovery function according to claim 4, characterized in that: The connecting pipeline (19) is arranged between the recovery pipeline one (17) and the recovery pipeline two (18), the connecting pipeline (19) is provided with a plurality of, a plurality of the connecting pipeline (19) is sequentially distributed at one end of the recovery pipeline one (17), the upper end of the connecting pipeline (19) is communicated with the recovery pipeline two (18), the lower end of the connecting pipeline (19) is communicated with the recovery pipeline one (17).

6. The energy-saving double-chamber lime kiln with waste heat recovery function according to claim 5, characterized in that: One end of the recovery pipeline one (17) is provided with the heat extraction pipe one (1701), the other end of the recovery pipeline one (17) is provided with the heat supply pipe (1702), one end of the recovery pipeline two (18) is provided with the heat extraction pipe two (1801), one end of the heat extraction pipe one (1701) is communicated with the kiln one (1), the other end of the heat extraction pipe one (1701) is communicated with the kiln two (3), one end of the heat extraction pipe two (1801) is communicated with the kiln one (1), the other end of the heat extraction pipe two (1801) is communicated with the kiln two (3).

7. The energy-saving double-chamber lime kiln with waste heat recovery function according to claim 6, characterized in that: One end of the heat supply pipe (1702) is provided with the communication device (20), one side of the communication device (20) is provided with the waste heat recovery pipe two (21).

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