Liquid caustic soda waste heat recovery device

Abstract

The utility model relates to the technical field of waste heat recovery, in particular to a liquid caustic soda waste heat recovery device. The technical problems that according to an existing liquid caustic soda waste heat recovery mode, a multi-bend water pipe is mainly adopted to be laid in a waste gas emission pipeline, the recovery efficiency is not high, recovered heat is inconvenient to protect, and the heat utilization rate is low are solved; according to the technical scheme, the liquid caustic soda waste heat recovery device comprises a smoke conveying pipe, a supporting assembly, a recovery assembly, a transmission assembly, a stirring assembly, a heat conduction assembly and a heat preservation assembly; compared with an existing waste heat recovery mode that a multi-bend water pipe is laid in a discharge pipeline, the mode is not high in recovery efficiency, and recovered heat is inconvenient to protect; according to the device, waste gas is conveyed into a container surrounded by heat conduction water through the multi-partition pipeline, heat in the waste gas is increased, the heat conduction water is stirred through energy of the waste gas, the heat conduction effect is improved, water absorbing the heat is protected through the heat preservation layer, and the heat utilization rate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a liquid alkali waste heat recovery device. Background Art

[0002] Waste heat recovery from liquid alkali refers to a technical means of effectively recycling and utilizing the waste heat generated during the production of liquid alkali. It converts waste heat into useful energy through some energy-saving equipment, thereby improving energy utilization and reducing production costs. A large amount of waste gas will be generated during the production of liquid alkali, and the waste heat contained in the waste gas can be recycled. The current heat recovery method mainly uses multi-bend water pipes laid in the production waste gas emission pipeline, but this method has low recovery efficiency and requires laying a large number of water pipes, which is costly. Utility Model Content

[0003] In order to overcome the current heat recovery method, multi-bend water pipes are mainly laid in the production exhaust gas emission pipeline. However, this method has low recovery efficiency and requires laying a large number of water pipes, which is costly.

[0004] The technical solution of the utility model is: a liquid alkali waste heat recovery device, including a smoke conveying pipe, a support component, a recovery component, a transmission component, a stirring component, a heat conduction component and a heat insulation component. The support component is arranged on the periphery of the smoke conveying pipe, the recovery component is arranged above the support component, the recovery component is located above the smoke conveying pipe, the transmission component runs through the smoke conveying pipe, the transmission component is arranged below the recovery component, the stirring component is arranged inside the recovery component, the heat conduction component is arranged inside the recovery component, and the heat insulation component is arranged on the periphery of the recovery component.

[0005] Preferably, the recovery component is supported and installed by arranging a support component, the heat transferred by the heat-conducting component is recovered by arranging a recovery component to store cold water, the transmission component is provided to provide power for the stirring component, the cold water inside the recovery component is stirred by arranging the stirring component, thereby improving the heat recovery efficiency, the waste heat is transferred to the interior of the recovery component by arranging a heat-conducting component, the interior of the recovery component is insulated by arranging a heat-insulating component to reduce heat loss, and the waste heat is better disposed.

[0006] Preferably, the support assembly includes a convex ring and a support column, the convex ring is fixedly installed on the periphery of the smoke conveying pipe, the support column is fixedly installed above the convex ring, and multiple groups of support columns are provided; the support column is supported and installed by providing the convex ring, and the recovery assembly is supported and installed by providing the support column.

[0007] Preferably, the recovery component includes a water tank, a water pipe and a valve. The water tank is fixedly installed above the column, the water pipe is arranged below the water tank, the water pipe is connected to the water tank, two groups of water pipes are arranged, and the valve is arranged on the periphery of the water pipe. The water tank is provided to store cold water so that the cold water absorbs and recovers the waste heat. The water pipe is provided to supply water to and drain water from the water tank. The valve is provided to control the water pipe.

[0008] Preferably, the transmission assembly includes a support bracket, a connecting shaft, an impeller and a first gear, the support bracket is fixedly mounted on the side wall inside the smoke conveying pipe, the connecting shaft passes through the smoke conveying pipe and the fixed bracket, the connecting shaft is rotatably connected to the smoke conveying pipe, the connecting shaft is rotatably connected to the fixed bracket, the impeller is fixedly mounted on one end of the connecting shaft, the impeller is arranged inside the smoke conveying pipe, the first gear is fixedly mounted on the other end of the connecting shaft, and the first gear is located on the periphery of the smoke conveying pipe; the connecting shaft is supported and mounted by arranging the support bracket, and the impeller can be driven to rotate by the exhaust gas when the exhaust gas containing heat passes through the smoke conveying pipe, the rotation of the impeller is transmitted to the first gear by arranging the connecting shaft, and the rotation is transmitted to the stirring assembly by arranging the first gear.

[0009] Preferably, the stirring assembly includes a second gear, a rotating shaft and a stirring blade, the second gear is arranged above the first gear, the second gear is meshed with the first gear, the rotating shaft is fixedly installed above the second gear, the rotating shaft passes through the water tank, the rotating shaft is rotatably connected to the water tank, the stirring blade is fixedly installed on the periphery of the rotating shaft, the stirring blade is located inside the water tank, and multiple groups of stirring blades are arranged; by arranging the second gear, the rotation transmitted by the first gear is transmitted to the rotating shaft, and then by arranging the rotating shaft to rotate, the stirring blade is driven to stir the water inside the water tank, so that the heat is evenly distributed and the thermal conductivity efficiency is improved.

[0010] Preferably, the heat-conducting component includes a heat-conducting pipe and a heat-dissipating pipe sleeve. The heat-conducting pipe is arranged inside the water tank. The heat-conducting pipe is connected with the water tank through a plurality of groups of heat-conducting pipes. The heat-dissipating pipe sleeve is fixedly installed on the periphery of the heat-conducting pipe. By arranging the heat-conducting pipe, the exhaust gas containing heat is transmitted into the water tank, and the heat is transferred to the water inside the water tank to realize waste heat recovery. By arranging the heat-dissipating pipe sleeve, the contact area with the water can be increased, thereby improving the heat recovery efficiency.

[0011] Preferably, the insulation component includes insulation cotton and cable ties. The insulation cotton is arranged on the periphery of the water tank and is fixed to the periphery of the water tank by cable ties. The insulation cotton is arranged to insulate the inside of the water tank, thereby preventing the loss of recovered heat and improving the effect of heat recovery. The insulation cotton is fixed by arranging cable ties.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the current waste heat recovery method that uses multi-bend water pipes laid in the discharge pipe, this method has low recovery efficiency and is inconvenient to protect the recovered heat; this device transmits the exhaust gas to the container surrounded by hot water by setting up multi-compartment pipes, increases the heat in the exhaust gas, and uses the energy of the exhaust gas itself to stir the hot water to improve the heat conduction effect. By setting up an insulation layer, the water that absorbs heat is protected to improve the heat utilization rate;

[0014] 2. The waste gas containing heat is transmitted into the water tank through the heat-conducting pipe, and the heat is transferred to the water inside the water tank to realize waste heat recovery. The heat-dissipating pipe sleeve can increase the contact area with water and improve the heat recovery efficiency. The water tank is insulated by the heat-insulating cotton to prevent the loss of recovered heat and improve the effect of heat recovery.

[0015] 3. When the exhaust gas containing heat passes through the smoke conveying pipe, the impeller can be driven to rotate by the exhaust gas, and the rotation of the impeller is transmitted to the first gear through the connecting shaft, and the rotation is transmitted to the rotating shaft through the first gear and the second gear. The rotation of the rotating shaft drives the stirring blades to stir the water inside the water storage tank, so that the heat is evenly distributed and the heat conduction efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a schematic diagram of the first cross-section stereoscopic structure of the liquid caustic soda waste heat recovery device of the utility model;

[0017] Figure 2 What is shown is a first three-dimensional structural schematic diagram of the liquid caustic soda waste heat recovery device of the utility model;

[0018] Figure 3 The second three-dimensional structure schematic diagram of the liquid caustic soda waste heat recovery device of the utility model is shown;

[0019] Figure 4 The second cross-sectional three-dimensional structure schematic diagram of the liquid caustic soda waste heat recovery device of the utility model is shown;

[0020] Figure 5 The utility model of liquid caustic soda waste heat recovery device is shown Figure 4 The circle is an enlarged schematic diagram of the three-dimensional structure;

[0021] Explanation of the reference numerals: 1. smoke conveying pipe; 2. supporting assembly; 3. recovery assembly; 4. transmission assembly; 5. stirring assembly; 6. heat conduction assembly; 7. insulation assembly; 201. convex ring; 202. supporting column; 301. water storage tank; 302. water conveying pipe; 303. valve; 401. supporting bracket; 402. connecting shaft; 403. impeller; 404. first gear; 501. second gear; 502. rotating shaft; 503. stirring blade; 601. heat conduction pipe; 602. heat dissipation pipe sleeve; 701. insulation cotton; 702. cable tie. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1 The utility model provides an embodiment: a liquid alkali waste heat recovery device, including a smoke conveying pipe 1, a support component 2, a recovery component 3, a transmission component 4, a stirring component 5, a heat conduction component 6 and a heat insulation component 7, the support component 2 is arranged on the periphery of the smoke conveying pipe 1, the recovery component 3 is arranged above the support component 2, the recovery component 3 is located above the smoke conveying pipe 1, the transmission component 4 runs through the smoke conveying pipe 1, the transmission component 4 is arranged below the recovery component 3, the stirring component 5 is arranged inside the recovery component 3, the heat conduction component 6 is arranged inside the recovery component 3, and the heat insulation component 7 is arranged on the periphery of the recovery component 3.

[0024] See also Figure 2-3 In this embodiment, the support assembly 2 includes a convex ring 201 and a support column 202. The convex ring 201 is fixedly installed on the periphery of the smoke delivery pipe 1, and the support column 202 is fixedly installed above the convex ring 201. The support column 202 is provided with multiple groups; the support column 202 is supported and installed by providing the convex ring 201, and the recovery assembly 3 is supported and installed by providing the support column 202; the recovery assembly 3 includes a water storage tank 301, a water delivery pipe 302 and a valve 303. The water storage tank 301 is fixedly installed above the support column 202, and the water delivery pipe 302 is provided below the water storage tank 301. The water delivery pipe 302 is connected to the water storage tank 301, and the water delivery pipe 302 is provided with two groups, and the valve 303 3 is arranged on the periphery of the water delivery pipe 302; the water storage tank 301 is arranged to store cold water so that the cold water absorbs and recovers the residual heat; the water delivery pipe 302 is arranged to supply water to and drain water from the water storage tank 301; the water delivery pipe 302 is arranged to control the water delivery pipe 302; the heat preservation component 7 includes a heat preservation cotton 701 and a tie 702; the heat preservation cotton 701 is arranged on the periphery of the water storage tank 301, and the heat preservation cotton 701 is fixedly installed on the periphery of the water storage tank 301 by the tie 702; the heat preservation cotton 701 is arranged to insulate the inside of the water storage tank 301, so as to prevent the recovered heat from being lost and improve the heat recovery effect; the heat preservation cotton 701 is fixed by the tie 702.

[0025] See also Figure 4-5In this embodiment, the transmission assembly 4 includes a support bracket 401, a connecting shaft 402, an impeller 403 and a first gear 404. The support bracket 401 is fixedly installed on the side wall inside the smoke delivery pipe 1. The connecting shaft 402 passes through the smoke delivery pipe 1 and the support bracket 401. The connecting shaft 402 is rotatably connected to the smoke delivery pipe 1. The connecting shaft 402 is rotatably connected to the support bracket 401. The impeller 403 is fixedly installed at one end of the connecting shaft 402. The impeller 403 is arranged inside the smoke delivery pipe 1. The first gear 404 is fixedly installed at the other end of the connecting shaft 402. 4 is located at the periphery of the smoke conveying pipe 1; the connecting shaft 402 is supported and installed by arranging a supporting bracket 401; the impeller 403 can be driven to rotate by the exhaust gas when the exhaust gas containing heat passes through the smoke conveying pipe 1; the rotation of the impeller 403 is transmitted to the first gear 404 by arranging the connecting shaft 402; the rotation is transmitted to the stirring component 5 by arranging the first gear 404; the stirring component 5 includes a second gear 501, a rotating shaft 502 and a stirring blade 503; the second gear 501 is arranged above the first gear 404, and the second gear 501 and the first gear 40 4 meshes, the rotating shaft 502 is fixedly installed above the second gear 501, the rotating shaft 502 penetrates the water storage tank 301, the rotating shaft 502 is rotatably connected with the water storage tank 301, the stirring blade 503 is fixedly installed on the periphery of the rotating shaft 502, the stirring blade 503 is located inside the water storage tank 301, and the stirring blade 503 is provided with multiple groups; the rotation transmitted by the first gear 404 is transmitted to the rotating shaft 502 by setting the second gear 501, so that the rotating shaft 502 is set to rotate, and the stirring blade 503 is driven to stir the water inside the water storage tank 301, so that the heat is evenly distributed and the heat conduction efficiency is improved. rate; the heat-conducting component 6 includes a heat-conducting pipe 601 and a heat-dissipating pipe sleeve 602, the heat-conducting pipe 601 is arranged inside the water tank 301, the heat-conducting pipe 601 is connected with the water tank 301, the heat-conducting pipe 601 is provided with multiple groups, and the heat-dissipating pipe sleeve 602 is fixedly installed on the periphery of the heat-conducting pipe 601; by arranging the heat-conducting pipe 601, the waste gas containing heat is transmitted into the water tank 301, and the heat is transferred to the water inside the water tank 301, so as to realize waste heat recovery, and by arranging the heat-dissipating pipe sleeve 602, the contact area with water can be increased, and the heat recovery efficiency can be improved.

[0026] During operation, the exhaust gas in the production of liquid caustic soda is transported by the smoke pipe 1, so that the exhaust gas containing heat enters the interior of the water storage tank 301 through the heat-conducting pipe 601;

[0027] The water storage tank 301 is used to store water to absorb the heat in the heat-conducting pipe 601, and the heat-dissipating pipe sleeve 602 is used to increase the contact area with the water, thereby improving the heat dissipation efficiency in the heat-conducting pipe 601 and transferring the heat to the water more quickly;

[0028] The impeller 403 rotates when the exhaust gas passes through, and the connecting shaft 402 transmits the rotation to the first gear 404. The first gear 404 is meshed with the second gear 501 to transmit the rotation to the rotating shaft 502, thereby driving the stirring blade 503 to stir the water in the water tank 301, thereby agitating the water inside the water tank 301, reducing the heat stratification of the water and improving the heat conduction efficiency;

[0029] The inside of the water tank 301 is insulated by using the heat insulation cotton 701 to prevent the heat inside the water tank 301 from being lost and the heat from being fully utilized. The heat insulation cotton 701 is fixed by using the cable tie 702.

[0030] Through the above steps, the support component 2 is used to support and install the recovery component 3, the recovery component 3 is used to store cold water to recover the heat transferred by the heat conduction component 6, the transmission component 4 is used to provide power for the stirring component 5, and the stirring component 5 is used to stir the cold water inside the recovery component 3, thereby improving the heat recovery efficiency, the heat conduction component 6 is used to transfer the waste heat to the inside of the recovery component 3, and the insulation component 7 is used to insulate the inside of the recovery component 3 to reduce heat loss and better utilize the waste heat.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A liquid caustic soda waste heat recovery device, comprising a smoke conveying pipe (1); characterized in that: The invention also comprises a support component (2), a recovery component (3), a transmission component (4), a stirring component (5), a heat conduction component (6) and a heat insulation component (7); the support component (2) is arranged at the periphery of the smoke conveying pipe (1); the recovery component (3) is arranged above the support component (2); the recovery component (3) is located above the smoke conveying pipe (1); the transmission component (4) passes through the smoke conveying pipe (1); the transmission component (4) is arranged below the recovery component (3); the stirring component (5) is arranged inside the recovery component (3); the heat conduction component (6) is arranged inside the recovery component (3); and the heat insulation component (7) is arranged at the periphery of the recovery component (3).

2. A liquid caustic soda waste heat recovery device according to claim 1, characterized in that: The support assembly (2) comprises a convex ring (201) and a support column (202); the convex ring (201) is fixedly mounted on the periphery of the smoke conveying pipe (1); the support column (202) is fixedly mounted above the convex ring (201); and a plurality of groups of support columns (202) are provided.

3. A liquid caustic soda waste heat recovery device according to claim 2, characterized in that: The recovery component (3) comprises a water storage tank (301), a water delivery pipe (302) and a valve (303); the water storage tank (301) is fixedly installed above the support column (202); the water delivery pipe (302) is arranged below the water storage tank (301); the water delivery pipe (302) is connected to the water storage tank (301); two groups of water delivery pipes (302) are arranged; and the valve (303) is arranged on the periphery of the water delivery pipe (302).

4. A liquid caustic soda waste heat recovery device according to claim 1, characterized in that: The transmission assembly (4) comprises a support bracket (401), a connecting shaft (402), an impeller (403) and a first gear (404); the support bracket (401) is fixedly mounted on a side wall inside the smoke conveying pipe (1); the connecting shaft (402) passes through the smoke conveying pipe (1) and the support bracket (401); the connecting shaft (402) is rotatably connected to the smoke conveying pipe (1); the connecting shaft (402) is rotatably connected to the support bracket (401); the impeller (403) is fixedly mounted on one end of the connecting shaft (402); the impeller (403) is arranged inside the smoke conveying pipe (1); the first gear (404) is fixedly mounted on the other end of the connecting shaft (402); and the first gear (404) is located on the periphery of the smoke conveying pipe (1).

5. A liquid caustic soda waste heat recovery device according to claim 4, characterized in that: The stirring assembly (5) comprises a second gear (501), a rotating shaft (502) and a stirring blade (503); the second gear (501) is arranged above the first gear (404); the second gear (501) is meshed with the first gear (404); the rotating shaft (502) is fixedly mounted above the second gear (501); the rotating shaft (502) passes through the water storage tank (301); the rotating shaft (502) is rotatably connected to the water storage tank (301); the stirring blade (503) is fixedly mounted on the periphery of the rotating shaft (502); the stirring blade (503) is located inside the water storage tank (301); and a plurality of groups of stirring blades (503) are provided.

6. A liquid caustic soda waste heat recovery device according to claim 3, characterized in that: The heat-conducting component (6) comprises a heat-conducting pipe (601) and a heat-dissipating pipe sleeve (602); the heat-conducting pipe (601) is arranged inside the water storage tank (301); the heat-conducting pipe (601) is connected to the water storage tank (301); a plurality of groups of heat-conducting pipes (601) are arranged; and the heat-dissipating pipe sleeve (602) is fixedly installed on the periphery of the heat-conducting pipe (601).

7. The liquid caustic soda waste heat recovery device according to claim 1 is characterized in that: The heat-insulating component (7) comprises heat-insulating cotton (701) and a cable tie (702); the heat-insulating cotton (701) is arranged on the periphery of the water storage tank (301); the heat-insulating cotton (701) is fixedly mounted on the periphery of the water storage tank (301) by means of the cable tie (702).

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