Heat exchange cooling type dry powder desulfurization stock bin

Abstract

The utility model relates to the technical field of dry desulphurization equipment, in particular to a heat exchange cooling type dry powder desulphurization stock bin which comprises a stock bin body (1), and a cooling device is arranged on the stock bin body (1). The cooling device can be used for fully cooling the stock bin; according to the device, the heat exchange and cooling effects of the stock bin are good, and the failure risk of a catalyst in the stock bin is reduced; the device is simple in structure and convenient to overhaul, and the labor intensity of workers is not increased; the device can effectively ensure the stable operation of desulfurization equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of dry desulfurization equipment, and in particular to a heat exchange cooling type dry powder desulfurization silo. Background Art

[0002] Due to the requirements of relevant environmental protection regulations, the main components of the desulfurizer in dry powder desulfurization technology are NaHCO3 and a small amount of rare earth metal catalyst. It is in the form of powder when used on site. The catalyst in it must not be stored at a temperature greater than 60°C due to its characteristics. Generally, the silo is arranged near the high-temperature fan at the end of the cement production line kiln, and there is a risk of high-temperature hot air input. The catalyst will lose its activity due to the high temperature, causing the desulfurization equipment to shut down.

[0003] After searching, the applicant found that the Chinese patent document with publication number CN208108767U disclosed a cooling silo and equipment with the cooling silo on November 16, 2018. A cooling silo includes a main body with an exhaust fan on the top. Under the action of the exhaust fan, air enters the main body, passes through the internal material layer, and enters the air duct connected to the main body. The other end of the air duct is connected to the adsorption device, and the gas is discharged from the exhaust port after passing through the adsorption device.

[0004] This device cannot achieve fast and efficient heat dissipation of the dry powder desulfurization silo. Utility Model Content

[0005] The utility model aims to provide a heat exchange cooling type dry powder desulfurization silo which can realize fast and efficient heat dissipation of the dry powder desulfurization silo.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a heat exchange cooling type dry powder desulfurization silo, including a silo, and a cooling device is provided on the silo.

[0007] The cooling device comprises an air cooling pipe; the air cooling pipe is arranged on the outer wall of the silo.

[0008] The air cooling pipe comprises an air inlet and an air outlet.

[0009] The air inlet is arranged at the bottom of the silo; the air outlet is arranged at the top of the silo.

[0010] The air cooling pipes are evenly distributed on the outer wall of the silo.

[0011] The air inlet is connected to a fan.

[0012] The air cooling pipe is welded to the silo.

[0013] A sewage pipe is arranged at the bottom of the silo.

[0014] The sewage pipe is provided with a stop valve and a joint respectively; the end of the sewage pipe is provided with a flange.

[0015] A support rod is provided at the bottom of the silo; and the support rod is provided with a reinforcing rib.

[0016] The beneficial effects of this application are:

[0017] The cooling device includes an air cooling pipe; the air cooling pipe is welded on the outer wall of the silo at equal intervals; the air inlet of the air cooling pipe is arranged at the bottom of the silo, and the air outlet is arranged at the top of the silo; the air inlet of the air cooling pipe is connected to a fan, and when the internal temperature of the silo approaches or exceeds 60 degrees, the fan is started to blow out cold air; the cold air enters the air cooling pipe from the air inlet, and moves upward along the air cooling pipe around the outer wall of the silo to fully cool down the silo; the heat exchange and cooling effect of the silo is good, and the risk of catalyst failure inside the silo is reduced; the structure of the device is simple, easy to maintain, and does not increase the labor intensity of workers; the device can effectively ensure the stable operation of the desulfurization equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings, wherein:

[0019] Figure 1 Shown is a schematic diagram of the structure of the heat exchange cooling type dry powder desulfurization silo.

[0020] The marks in the above figure are:

[0021] The markings in the figure are:

[0022] 1. Silo,

[0023] 2. Air cooling pipe, 201, air inlet, 202, air outlet,

[0024] 3. Sewage pipe,

[0025] 4. Stop valve,

[0026] 5. Connector,

[0027] 6. Flange,

[0028] 7. Support rod, 701, strengthening ribs. DETAILED DESCRIPTION

[0029] The specific implementation methods of the utility model are further explained in detail below with reference to the accompanying drawings through the description of embodiments, with the aim of helping technicians in the field to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the utility model and facilitating its implementation.

[0030] Figure 1 The heat exchange cooling dry powder desulfurization silo shown includes a silo 1, on which a cooling device is provided. When the internal temperature of the silo 1 approaches or exceeds 60 degrees, the cooling device is started, and the cooling device can fully cool the silo 1; the device has a good heat exchange and cooling effect of the silo 1, and reduces the risk of catalyst failure inside the silo 1; the device has a simple structure, is easy to repair, and does not increase the labor intensity of workers; the device can effectively ensure the stable operation of the desulfurization equipment.

[0031] The cooling device includes an air cooling pipe 2; the air cooling pipe 2 is arranged on the outer wall of the silo 1. The silo 1 is a cylindrical structure; the air cooling pipe 2 is wound and welded on the side wall of the silo 1; cold air is passed into the air cooling pipe 2, which can fully and quickly cool down the silo 1, ensure that the catalyst is in a suitable storage environment, and ensure the normal operation of the desulfurization equipment.

[0032] The air cooling pipe 2 includes an air inlet 201 and an air outlet 202. The air cooling pipe 2 is a complete pipeline; the air cooling pipe 2 is only provided with a set of air inlet 201 and air outlet 202, which ensures the cooling effect of the silo 1 while ensuring the simple structure of the device; the air cooling pipe 2 is easy to maintain and replace, which reduces the labor intensity of the staff and reduces the production cost.

[0033] The air inlet 201 is arranged at the bottom of the silo 1; the air outlet 202 is arranged at the top of the silo 1. The air outlet 202 is arranged vertically upward at the top of the silo 1 to facilitate the discharge of cold air; the air inlet 201 is arranged horizontally at the bottom of the silo 1 to facilitate the connection of the fan; the cold air enters the air cooling pipe 2 from the air inlet 201, and moves upward along the air cooling pipe 2 around the outer wall of the silo 1, which can fully and evenly cool the silo 1.

[0034] The air cooling pipes 2 are evenly distributed on the outer wall of the silo 1. The air cooling pipes 2 are evenly wound at equal intervals according to the height of the silo 1; they can fully ensure uniform heat dissipation of the catalyst in the silo 1, effectively avoiding local overheating and failure of the catalyst, resulting in shutdown of the desulfurization equipment and affecting production capacity.

[0035] The air inlet 201 is connected to a fan. The air inlet 201 of the air cooling pipe 2 is connected to a fan. When the internal temperature of the silo 1 approaches or exceeds 60 degrees, the fan is started to blow out cold air; the cold air enters the air cooling pipe 2 from the air inlet 201, and moves upward along the air cooling pipe 2 around the outer wall of the silo 1, so as to fully cool the silo 1.

[0036] The air cooling pipe 2 is welded to the silo 1. The air cooling pipe 2 is connected to the outer wall of the silo 1 by spot welding; the air cooling pipe 2 is relatively long and has a spiral structure; the spot welding connection can make the air cooling pipe 2 and the silo 1 tightly connected, effectively avoiding the air cooling pipe 2 from falling off, causing poor local cooling, or causing safety hazards.

[0037] A sewage pipe 3 is provided at the bottom of the silo 1. The bottom of the silo 1 is a funnel-shaped structure, which can collect sewage and discharge it from the sewage pipe 3; the sewage pipe 3 is an L-shaped structure, the vertical section of the sewage pipe 3 is connected to the bottom of the silo 1, and the sewage flows out from the horizontal end of the sewage pipe 3.

[0038] The sewage pipe 3 is provided with a stop valve 4 and a joint 5 respectively; the end of the sewage pipe 3 is provided with a flange 6. The vertical section of the sewage pipe 3 is provided with a stop valve 4, which can accurately control the connection and blocking of the sewage pipe 3, and realize flexible control of sewage discharge; the horizontal section of the sewage pipe 3 is provided with a joint 5; the sewage in the silo 1 is deposited in the horizontal section of the sewage pipe 3, which is easy to cause corrosion and damage to the pipeline. At this time, the joint 5 is twisted to disconnect the corroded pipeline and replace it with a new short circuit; the flange 6 connects the sewage pipe 3 with the sewage storage device, which can realize the storage and treatment of sewage, and effectively avoid direct discharge to pollute the environment.

[0039] The bottom of the silo 1 is provided with a support rod 7, and the support rod 7 is provided with a reinforcing rib 701. The bottom of the silo 1 is provided with a plurality of support rods 7, which can provide stable support for the silo 1; the reinforcing rib 701 can strengthen the overall structural strength, so that the support rod 7 can bear a larger load.

[0040] The specific working process of the utility model is as follows:

[0041] Select an air cooling pipe 2 of appropriate length, bend the air cooling pipe 2 and wrap it around the side of the silo 1; adjust the spacing between each layer of air cooling pipe 2 according to the height of the silo 1; spot weld the air cooling pipe 2 to the outer wall of the silo 1 at various locations; connect the air inlet 201 of the air cooling pipe 2 to the fan; when the internal temperature of the silo 1 is close to or exceeds 60 degrees, start the fan and blow out cold air; the cold air enters the air cooling pipe 2 from the air inlet 201, and moves upward along the air cooling pipe 2 around the outer wall of the silo 1, so as to fully cool down the silo 1.

[0042] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A heat exchange cooling dry powder desulfurization silo, characterized in that: It comprises a silo (1), wherein the silo (1) is provided with a cooling device; The cooling device comprises an air cooling pipe (2); the air cooling pipe (2) is arranged on the outer wall of the silo (1); The air cooling pipe (2) comprises an air inlet (201) and an air outlet (202); The air inlet (201) is arranged at the bottom of the silo (1); the air outlet (202) is arranged at the top of the silo (1); The air cooling pipes (2) are evenly distributed on the outer wall of the silo (1); The air inlet (201) is connected to a fan.

2. A heat exchange cooling type dry powder desulfurization silo according to claim 1, characterized in that: The air cooling pipe (2) is welded to the silo (1).

3. A heat exchange cooling type dry powder desulfurization silo according to claim 2, characterized in that: A sewage discharge pipe (3) is provided at the bottom of the silo (1).

4. A heat exchange cooling type dry powder desulfurization silo according to claim 3, characterized in that: The sewage discharge pipe (3) is provided with a stop valve (4) and a joint (5) respectively; and a flange (6) is provided at the end of the sewage discharge pipe (3).

5. A heat exchange cooling type dry powder desulfurization silo according to claim 4, characterized in that: A support rod (7) is provided at the bottom of the silo (1); the support rod (7) is provided with a reinforcing rib (701).

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