Flue gas desulfurization cooling device for producing zinc-cultured sand

Abstract

The utility model discloses a flue gas desulfurization cooling device for producing zinc-cultured sand, which belongs to the field of zinc-cultured sand production, and comprises a desulfurization tower upper base body, a desulfurization tower lower base body and a cooling box, the desulfurization tower upper base body and the desulfurization tower lower base body are integrally assembled, one end of the desulfurization tower lower base body is provided with an output pipeline, and the other end of the desulfurization tower lower base body is provided with a cooling box. An air inlet pipe is assembled on the other side of the desulfurizing tower lower base body, a heat preservation mechanism is laid on the surface of the inner wall of the cooling box, an air supply pipeline is installed in the cooling box and is of a bent structure, the cooling box is filled with the air supply pipeline, one end of the air supply pipeline penetrates through the surface of the cooling box, and the other end of the air supply pipeline penetrates through the surface of the cooling box. And the end part of the air supply pipeline is communicated with an air inlet pipe arranged on the surface of the lower base body of the desulfurizing tower through a conveying pipeline matching flange. The integral operation is simple and easy to realize, the safety of integral processing can be ensured, waste can be avoided in a continuous processing production process, resources are fully utilized to complete work, and the integral efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of zinc calcine production, in particular to a flue gas desulfurization and cooling device for producing zinc calcine. Background Technique

[0002] Zinc calcine is the product obtained after roasting zinc concentrate, a brown microgranular solid. It mainly contains zinc oxide, zinc sulfate, zinc sulfide, etc.

[0003] Application No. CN202220886702.4 discloses a flue gas desulfurization and cooling device for producing zinc calcine. Aiming at the problem that the gas is directly transported to the next stage and is likely to carry a certain amount of water vapor after the flue gas desulfurization and cooling device for producing zinc calcine is cooled by spraying, the following scheme is now proposed. It includes a cooling end, a dehumidifying end is arranged on one side of the cooling end, a cooling chamber is opened inside the cooling end, a dehumidifying chamber is opened inside the dehumidifying end, a connecting air pump is installed at the middle position between the cooling end and the dehumidifying end, and the top of the connecting air pump passes through the dehumidifying end and extends into the dehumidifying chamber; in this utility model, the flue gas after being dehumidified by the desiccant and heater inside the dehumidifying chamber is discharged from the exhaust port, so that the flue gas after spray cooling does not contain a certain amount of water vapor, and thus will not have a certain impact on the subsequent process.

[0004] However, there are still the following problems: only relying on spraying for cooling, during continuous processing and production, a relatively large amount of cooling water is easily wasted, and the recovery and treatment of the sprayed cooling water also consume a certain amount of resources, resulting in a large waste during continuous processing and production. Content of the Utility Model

[0005] In order to solve the above problems, the utility model provides a flue gas desulfurization and cooling device for producing zinc calcine, which is simple and easy to operate as a whole. It can ensure the safety of the overall processing while avoiding waste during continuous processing and production, making full use of resources to complete the work and improving the overall efficiency.

[0006] The utility model is realized through the following technical solutions:

[0007] It includes an upper matrix of the desulfurization tower, a lower matrix of the desulfurization tower and a cooling box. The upper matrix of the desulfurization tower and the lower matrix of the desulfurization tower are integrally assembled. An output pipeline is assembled at one end of the lower matrix of the desulfurization tower, and an air inlet pipe is assembled on the other side of the lower matrix of the desulfurization tower. A heat preservation mechanism is laid on the inner wall surface of the cooling box. An air supply pipeline is installed inside the cooling box. The air supply pipeline is filled into the cooling box in a bent structure. One end of the air supply pipeline passes through the surface of the cooling box, and the end of the air supply pipeline is communicated with the air inlet pipe arranged on the surface of the lower matrix of the desulfurization tower through a conveying pipeline and a flange;

[0008] The heat preservation mechanism includes a heat preservation frame, a heat preservation border and a raised edge. The heat preservation frame is laid on the inner wall surface of the cooling box. A heat preservation border is bolted to the surface of the heat preservation frame. The surface of the heat preservation border is provided with a raised edge, and the raised edge is an integrally formed structure of the heat preservation border.

[0009] Further, a support frame is bolted to the bottom of the lower matrix of the desulfurization tower. Reinforcing ribs are sequentially and evenly welded to the surface of the support frame. Both the support frame and the reinforcing ribs are integrally formed structures made of steel structure materials.

[0010] Further, four brackets are sequentially and evenly welded to the bottom of the cooling box. Both the cooling box and the four brackets are integrally formed structures made of steel structure materials.

[0011] Further, the heat preservation frame includes a composite layer, a heat preservation board, a heat insulation layer and a heat preservation layer. The composite layer is laid on the inner wall surface of the cooling box. A heat preservation board is laid on one side of the composite layer. A heat insulation layer is laid on one side surface of the heat preservation board. A heat preservation layer is laid on one side surface of the heat insulation layer.

[0012] Further, the composite layer is a plate structure made of glass fiber materials. The heat preservation board is an integrally formed structure laid with rock wool composite materials.

[0013] Further, the heat insulation layer is an integrally formed structure laid with honeycomb board materials. The heat preservation layer is a protective film formed by spraying heat preservation paint.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The present utility model relies on the cooling box to inject a fixed amount of cooling water, and ensures the internal temperature through continuous cooling treatment, so as to be able to fully cool the air supply pipeline. Finally, the air flow passing through the inside can carry sufficient cold air to complete the final cooling work. The overall operation is simple and easy to implement, and has a good protection effect. It can ensure the safety of the overall processing while avoiding waste during continuous processing and production, making full use of resources to complete the work and improving the overall efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a schematic structural diagram of the cooling box of the present utility model;

[0018] Figure 3 is a schematic structural diagram of the heat preservation mechanism of the present utility model;

[0019] Figure 4 is a schematic structural diagram of the heat preservation frame of the present utility model.

[0020] In the figure: 1. Upper matrix of desulfurization tower; 2. Lower matrix of desulfurization tower; 3. Output pipeline; 4. Support frame; 5. Reinforcing rib; 6. Cooling box; 7. Air supply pipeline; 8. Conveyor pipeline; 9. Bracket; 10. Heat preservation mechanism; 101. Heat preservation frame; 1011. Composite layer; 1012. Heat preservation board; 1013. Heat insulation layer; 1014. Heat preservation layer; 102. Heat preservation frame border; 103. Protruding edge. Specific implementation manner

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1 to 4 , the embodiments provided by the present invention:

[0023] It includes an upper matrix 1 of the desulfurization tower, a lower matrix 2 of the desulfurization tower, and a cooling box 6. The upper matrix 1 of the desulfurization tower and the lower matrix 2 of the desulfurization tower are integrally assembled. One end of the lower matrix 2 of the desulfurization tower is equipped with an output pipeline 3. The bottom of the lower matrix 2 of the desulfurization tower is bolted with a support frame 4. Reinforcing ribs 5 are sequentially and evenly welded on the surface of the support frame 4. Both the support frame 4 and the reinforcing ribs 5 are an integrated structure made of steel structure materials. Such a strengthened structure is set to ensure the stability and support effect of the lower matrix 2 of the desulfurization tower, ensure the safety and stability during processing of the overall structure, and ensure that the upper matrix 1 and the lower matrix 2 of the desulfurization tower do not shake greatly during the flue gas treatment process, so as to ensure safety and reduce noise to a certain extent.

[0024] An air inlet pipe is assembled on the other side of the lower matrix 2 of the desulfurization tower. Four brackets 9 are sequentially and evenly welded on the bottom of the cooling box 6. Both the cooling box 6 and the four brackets 9 are an integrated structure made of steel structure materials. The overall use of steel structure materials for installation has sufficient strength and stiffness, and at the same time can be easily disassembled and assembled at any time; a heat preservation mechanism 10 is laid on the inner wall surface of the cooling box 6. An air supply pipeline 7 is installed in the cooling box 6. The air supply pipeline 7 is in a bent structure and is filled into the cooling box 6. One end of the air supply pipeline 7 passes through the surface of the cooling box 6. The end of the air supply pipeline 7 is communicated with the air inlet pipe arranged on the surface of the lower matrix 2 of the desulfurization tower through a conveyor pipeline 8 and a flange.

[0025] The heat preservation mechanism 10 includes a heat preservation frame 101, a heat preservation border 102 and a raised edge 103. The heat preservation frame 101 is laid on the inner wall surface of the cooling box 6. The heat preservation border 102 is bolted to the surface of the heat preservation frame 101. The surface of the heat preservation border 102 is provided with the raised edge 103, and the raised edge 103 is an integrally formed structure of the heat preservation border 102. The heat preservation frame 101 includes a composite layer 1011, a heat preservation board 1012, a heat insulation layer 1013 and a heat preservation layer 1014. The composite layer 1011 is laid on the inner wall surface of the cooling box 6. A heat preservation board 1012 is laid on one side of the composite layer 1011. A heat insulation layer 1013 is laid on one side surface of the heat preservation board 1012. A heat preservation layer 1014 is laid on one side surface of the heat insulation layer 1013. The composite layer 1011 is a plate structure made of fiberglass material. The heat preservation board 1012 is an integrally formed structure laid with rock wool composite material. The heat insulation layer 1013 is an integrally formed structure laid with honeycomb board material. The heat preservation layer 1014 is a protective film formed by spraying heat preservation paint.

[0026] A layered structure is set to ensure the specific heat preservation effect of the heat preservation frame 101. Through the cooperation of heat preservation materials at each level, a good auxiliary protection effect is formed. While achieving a sufficient heat preservation effect, it can also have a certain compressive and impact-resistant effect, ensuring the safety of some structures of the cooling box 6. During the specific use process, cold water needs to be injected into the cooling box 6, and then a centrifugal fan is used to pump air into the air supply pipeline 7. During this process, the air flow continuously interacts with the cold water in the cooling box 6 and becomes cold air, and then is sent into the desulfurization tower through the conveying pipeline 8 to complete cooling. The overall operation is simple and easy to implement, and has a good protection effect. It can ensure the safety of the overall processing while avoiding waste during the continuous processing and production process, making full use of resources to complete the work and improving the overall efficiency.

[0027] In the present utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation", "swivel connection" and the like shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] In summary, it is only the preferred embodiment of the present utility model, and is not used to limit the scope of implementation of the present utility model. All equivalent changes and modifications made according to the shape, structure, features and spirit described in the scope of the claims of the present utility model shall be included in the scope of the claims of the present utility model.

Claims

1. A flue gas desulfurization cooling device for producing zinc slag, comprising a desulfurization tower upper base (1), a desulfurization tower lower base (2) and a cooling box (6), characterized in that: The upper base (1) of the desulfurization tower and the lower base (2) of the desulfurization tower are assembled in an integrated manner, one end of the lower base (2) of the desulfurization tower is equipped with an output pipe (3), and the other side of the lower base (2) of the desulfurization tower is equipped with an air intake pipe. The inner wall surface of the cooling box (6) is paved with a heat preservation mechanism (10), and an air supply pipe (7) is installed in the cooling box (6). The air supply pipe (7) is filled into the cooling box (6) in a bent structure, and one end of the air supply pipe (7) passes through the surface of the cooling box (6), and the end of the air supply pipe (7) is connected to the air intake pipe arranged on the surface of the lower base (2) of the desulfurization tower through a delivery pipe (8) matching flange; The heat preservation mechanism (10) comprises a heat preservation frame (101), a heat preservation frame (102) and a raised edge (103); the heat preservation frame (101) is laid on the inner wall surface of the cooling box (6); the heat preservation frame (102) is bolted to the surface of the heat preservation frame (101); the surface of the heat preservation frame (102) is provided with a raised edge (103); the raised edge (103) is an integrated molding structure of the heat preservation frame (102).

2. A flue gas desulfurization cooling device for producing zinc slag according to claim 1, characterized in that: A support frame (4) is bolted to the bottom of the lower base (2) of the desulfurization tower, and reinforcing ribs (5) are uniformly welded on the surface of the support frame (4). The support frame (4) and the reinforcing ribs (5) are both integrated structures made of steel structural materials.

3. A flue gas desulfurization cooling device for producing zinc slag according to claim 1, characterized in that: Four brackets (9) are uniformly welded in sequence to the bottom of the cooling box (6); the cooling box (6) and the four brackets (9) are all integrated structures made of steel structural materials.

4. A flue gas desulfurization cooling device for producing zinc slag according to claim 1, characterized in that: The thermal insulation rack (101) comprises a composite layer (1011), a thermal insulation board (1012), a heat insulating layer (1013) and a heat insulating layer (1014); the composite layer (1011) is laid on the inner wall surface of the cooling box (6); the thermal insulation board (1012) is laid on one side of the composite layer (1011); the heat insulating layer (1013) is laid on one side surface of the thermal insulation board (1012); and the heat insulating layer (1014) is laid on one side surface of the heat insulating layer (1013).

5. A flue gas desulfurization cooling device for producing zinc slag according to claim 4, characterized in that: The composite layer (1011) is a plate structure made of glass fiber material, and the thermal insulation board (1012) is an integrated structure formed by laying rock wool composite material.

6. A flue gas desulfurization cooling device for producing zinc slag according to claim 5, characterized in that: The heat insulating layer (1013) is an integrated structure formed by laying honeycomb panel materials, and the thermal insulation layer (1014) is a protective film formed by spraying thermal insulation paint.

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