Smelting furnace flue waste gas temperature control system device

Abstract

The utility model discloses a temperature control system device for waste flue gas of a smelting furnace, which comprises a cooling water tank used for containing cooling water; the cooling device is arranged in the flue, a cavity is formed in the cooling device, and the cooling device is arranged in a penetrating mode in the flue gas conveying direction of the flue; the cooling unit is arranged in the channel in the direction perpendicular to the flue gas conveying direction; and the circulating unit is used for communicating the cooling unit with the cooling water tank. The device can control the temperature of the flue waste gas of the smelting furnace, ensures that the temperature of the bag of the bag-type dust collector is controlled within a use range, ensures normal operation of the bag, ensures normal environmental protection indexes, reduces replacement of the bag, and saves cost.

Description

Technical Field

[0001] The utility model relates to the technical field of glass wool production equipment, and more specifically to a furnace flue waste gas temperature control system device. Background Art

[0002] In the production of centrifugal glass wool fiber, a lot of dust is generated during the melting process of the furnace raw materials. The dust in the flue exhaust gas cannot exceed the national environmental protection regulations, so a bag dust collector must be used. Since the flue gas temperature is too high, reaching about 400 degrees, the bags of the bag dust collector are often easily damaged, causing the dust to exceed the standard and the bags need to be replaced. Utility Model Content

[0003] The utility model aims to provide a furnace flue waste gas temperature control system device, in order to solve the technical problems in the background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A furnace flue exhaust gas temperature control system device, comprising:

[0006] A cooling water pool, wherein the cooling water pool is used to store cooling water;

[0007] A cooling device, the cooling device is arranged in the flue, a cavity is provided in the cooling device, and the cooling device is arranged through the flue in the direction of smoke transmission;

[0008] A cooling unit, wherein the cooling unit is arranged in the channel along a direction perpendicular to the smoke transmission direction;

[0009] The circulation unit is used to connect the cooling unit with the cooling water pool.

[0010] In some embodiments, the cooling device is square-shaped and is made of stainless steel.

[0011] In some embodiments, the cooling unit includes a plurality of cooling water circulation pipes and a plurality of transfer pipes, the plurality of cooling water circulation pipes are arranged at equal intervals in the cooling device, and each row of cooling water circulation pipes is connected through a plurality of transfer pipes; the gaps between adjacent rows are flue gas flow ducts.

[0012] In some embodiments, the circulation unit includes a cooling water inlet collection pipe, which has a first diversion cavity, and the side of the first diversion cavity is connected to the cooling water pool through a cooling water circulation pump; a plurality of cooling water pipes are provided on the top of the first diversion cavity, and each cooling water pipe is connected to the inlet of each row of cooling water circulation pipes.

[0013] In some embodiments, the circulation unit also includes a cooling water outlet collection pipe, which has a second guide cavity, and the side of the second guide cavity is connected to the cooling water pool; a plurality of cooling water pipes are provided at the bottom of the second guide cavity, and each cooling water pipe is connected to the outlet of each row of cooling water circulation pipes.

[0014] In some embodiments, a temperature measuring instrument and an automatic temperature control cabinet are also included. The temperature measuring instrument is installed in the flue gas flow duct, and the automatic temperature control cabinet controls the start and stop of the cooling water circulation pump through the temperature measuring instrument.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The technical content disclosed by the utility model is novel in structure and strong in practicality. It can effectively control the temperature of the flue gas of the furnace, ensure that the bag temperature of the bag filter is controlled within the use range, ensure the normal operation of the bag, ensure the normal environmental protection indicators, reduce the replacement of the bag, and save costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of a furnace flue exhaust gas temperature control system device;

[0018] Illustration: 1-cooling water tank, 2-cooling water circulation pump, 3-automatic temperature control cabinet, 4-cooling device, 5-cooling water outlet manifold, 6-cooling water inlet manifold, 7-cooling water pipe, 8-temperature measuring instrument, 9-cooling water circulation pipe, 10-transfer pipe. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below in conjunction with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals throughout represent the same or similar parts or parts with the same or similar functions. The described embodiments are part of the embodiments of the present application, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0020] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0021] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are orientations or positional relationships based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] In addition, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or display that includes a series of steps or elements is not necessarily limited to those steps or elements explicitly listed but may include other steps or elements not explicitly listed or inherent to such process, method, product, or display.

[0024] The following will be combined Figure 1 , a furnace flue gas temperature control system device involved in the embodiment of the present application is described in detail. It is worth noting that the following embodiments are only used to explain the present application and do not constitute a limitation on the present application.

[0025] Embodiment 1:

[0026] See also Figure 1 As shown, a furnace flue gas temperature control system device includes: a cooling water pool 1, a cooling device 4, a cooling unit, and a circulation unit. The cooling water pool 1 is used to store cooling water; the cooling device 4 is arranged in the flue, the cooling device 4 is square, and the cooling device 4 is made of stainless steel. A cavity is provided in the cooling device 4, the cavity is used to install the cooling unit, and is arranged through the flue gas transmission direction to allow the flue gas to pass through the cavity; the cooling unit is arranged in the channel along the vertical direction of the flue gas transmission; the circulation unit is used to connect the cooling unit with the cooling water pool 1.

[0027] The cooling unit includes a plurality of cooling water circulation pipes 9 and a plurality of transfer pipes 10. The plurality of cooling water circulation pipes 9 are arranged at equal intervals in the cooling device 4, and each row of cooling water circulation pipes 9 is connected through a plurality of transfer pipes 10; the gap between adjacent rows is a flue gas flow channel. By introducing cooling water into the cooling water circulation pipes 9, the cooling water circulation pipes 9 and the air in the flue gas flow channel are heat exchanged to achieve the purpose of cooling.

[0028] The circulation unit includes a cooling water inlet collecting pipe 6, which has a first guide cavity, and the side of the first guide cavity is connected to the cooling water pool 1 through a cooling water circulation pump 2; a plurality of cooling water pipes 7 are provided on the top of the first guide cavity, and each cooling water pipe 7 is connected to the inlet of each row of cooling water circulation pipes 9.

[0029] The circulation unit also includes a cooling water outlet collection pipe, which has a second guide cavity, and the side of the second guide cavity is connected to the cooling water pool 1; a plurality of cooling water pipes 7 are provided at the bottom of the second guide cavity, and each cooling water pipe 7 is connected to the outlet of each row of cooling water circulation pipes 9.

[0030] The cooling water of the cooling water pool 1 enters the cooling water inlet collecting pipe 6 through the cooling water circulation pump 2, enters the multiple cooling water circulation pipes 9 through the cooling water pipe 7, reduces the temperature of the furnace flue exhaust gas passing through the cooling device 4, and then returns to the cooling water pool 1 through the cooling water outlet collecting pipe 5, and circulates continuously, thereby achieving the purpose of reducing the temperature of the flue exhaust gas.

[0031] In some embodiments, a temperature measuring instrument 8 and an automatic temperature control cabinet 3 are also included. The temperature measuring instrument 8 is installed in the flue gas flow duct. The automatic temperature control cabinet 3 controls the start and stop of the cooling water circulation pump 2 through the temperature measuring instrument 8. Specifically, a temperature range is set according to the actual working conditions, such as 180-210°C. When the temperature detected by the temperature measuring instrument 8 is within the temperature range, the water pump does not work. When the temperature detected by the temperature measuring instrument 8 is higher than the preset temperature range, the automatic temperature control cabinet 3 controls the water pump to work and realize the cooling water circulation.

[0032] The above description is only a preferred embodiment of the present invention and is used to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A furnace flue exhaust gas temperature control system device, characterized in that: include: A cooling water pool, wherein the cooling water pool is used to store cooling water; A cooling device, the cooling device is arranged in the flue, a cavity is provided in the cooling device, and the cooling device is arranged through the flue in the direction of smoke transmission; A cooling unit, wherein the cooling unit is arranged in the flue along a direction perpendicular to the flue gas transmission direction; A circulation unit, wherein the circulation unit is used to connect the cooling unit with the cooling water pool; The cooling unit comprises a plurality of cooling water circulation pipes and a plurality of transfer pipes. The plurality of cooling water circulation pipes are arranged at equal intervals in the cooling device, and the cooling water circulation pipes in each row are connected through a plurality of transfer pipes; the gaps between adjacent rows are flue gas flow ducts.

2. A furnace flue exhaust gas temperature control system device according to claim 1, characterized in that: The cooling device is square-shaped and is made of stainless steel.

3. A furnace flue exhaust gas temperature control system device according to claim 1, characterized in that: The circulation unit includes a cooling water inlet collection pipe, which has a first guide cavity, and the side of the first guide cavity is connected to the cooling water pool through a cooling water circulation pump; a plurality of cooling water pipes are arranged on the top of the first guide cavity, and each cooling water pipe is connected to the inlet of each row of cooling water circulation pipes.

4. A furnace flue exhaust gas temperature control system device according to claim 3, characterized in that: The circulation unit also includes a cooling water outlet collection pipe, which has a second guide cavity, and the side of the second guide cavity is connected to the cooling water pool; a plurality of cooling water pipes are arranged at the bottom of the second guide cavity, and each cooling water pipe is connected to the outlet of each row of cooling water circulation pipes.

5. A furnace flue exhaust gas temperature control system device according to claim 1, characterized in that: It also includes a temperature measuring instrument and an automatic temperature control cabinet. The temperature measuring instrument is installed in the flue gas flow duct, and the automatic temperature control cabinet controls the start and stop of the cooling water circulation pump through the temperature measuring instrument.

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