Vertical convection circular cooler

Abstract

The invention discloses a vertical convection circular cooler. Comprising a rotary disc and a rotary trough mounted on the rotary disc, and the rotary trough rotates along with the rotary disc; a discharge hole is formed in the outer circumference of the bottom of the rotary trough; a sealing cover is arranged above the rotary trough; a plurality of inverted-L-shaped cantilever beams are annularly arranged on the outer side of the rotary trough, and the sealing cover is hung above the rotary trough through the cantilever beams. And the sealing cover does not rotate along with the rotary trough. The device has the advantages of small occupied area, uniform material distribution, few movable parts, less equipment abrasion, long mineral aggregate cooling retention time, energy conservation, environmental protection and the like.

Description

Technical Field

[0001] This invention relates to a vertical convection ring cooler. Background Technology

[0002] Sinter cooling is a crucial step in sintering production. After passing through the sintering machine, the ore forms high-temperature pellets with significant thermal energy, which cannot be directly used in subsequent processes. Therefore, a cooler is needed to cool the ore and recover its heat energy, achieving energy conservation and emission reduction. Currently, the most commonly used coolers on the market are belt coolers and annular coolers, which have the following disadvantages: 1. Large footprint; 2. Uneven cooling; 3. High air leakage and low wind energy utilization; 4. Uneven material distribution; 5. Misalignment of the inner and outer horizontal annular tracks; 6. Severe equipment wear. Summary of the Invention

[0003] To address the above shortcomings, the purpose of this invention is to propose a vertical convection ring cooler.

[0004] To achieve the above objectives, the present invention provides a vertical convection ring cooler, characterized in that it includes: a rotary table and a rotary material trough mounted on the rotary table, wherein the rotary material trough rotates with the rotary table; and a discharge port is provided on the outer circumference of the bottom of the rotary material trough. A sealing cover is installed above the rotary trough; Several inverted L-shaped cantilever beams are arranged in a ring around the outside of the rotary material trough. The sealing cover is suspended above the rotary material trough by the cantilever beams. The sealing cover does not rotate with the rotary material trough.

[0005] Furthermore, the rotary trough is composed of multiple continuously arranged individual troughs; each individual trough is composed of a trough frame and a wear-resistant liner.

[0006] Furthermore, a feed inlet is provided on the sealing cover; an air outlet is provided on the sealing cover.

[0007] Furthermore, an air inlet is provided on the inner side of the rotary material trough; and an air volume compensation port is provided on the outer side of the rotary material trough.

[0008] Furthermore, a connecting ring is provided above the center of the annular cooler, and one end of each cantilever beam near the center is set on the connecting ring.

[0009] Furthermore, a water seal device is installed between the rotary trough and the sealing cover.

[0010] Furthermore, the water-sealing device includes: a circular partition with an inverted L-shaped cross-section is provided on the outer circumference of the lower end of the sealing cover; A U-shaped water trough is provided on the outer circumference of the upper end of the rotary trough, corresponding to the circular partition. The lower end of the circular partition is located inside the water trough and is lower than the water level in the water trough and does not contact the annular water trough.

[0011] Furthermore, a drain valve is provided at the bottom of the water tank.

[0012] Furthermore, each individual trough consists of a trough frame and a material trough column set on a rotary table, with the interior of the trough forming a funnel shape; wear-resistant lining plates are laid inside the trough; an air volume compensation port is provided on the outer side of the bottom of each individual trough, and an air inlet is provided on the inner side of the bottom of each individual trough; grilles are provided at the air volume compensation port and the air inlet.

[0013] Furthermore, an annular air duct is provided downward inside the rotary trough; the annular air duct consists of upper and lower parts, which are connected by a water-sealing device. The lower part of the annular air duct is provided with multiple air ducts, and the air inlets of the air ducts are connected to the blowers; the air outlet of the upper part of the annular air duct is connected to the air inlet of the rotating trough.

[0014] This invention has the advantages of simple equipment structure, few moving contact parts, low wear, stability and reliability, low maintenance cost, good sealing performance, high heat recovery and utilization rate, small turning radius, and small footprint. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional sectional view of the present invention.

[0017] Figure 3 This is the present invention. Figure 2 Local magnification in Figure I .

[0018] Figure 4 This is a three-dimensional cross-sectional view of the rotary feed trough of the present invention.

[0019] Figure 5 This is a three-dimensional structural diagram of a single rotary feed trough of the present invention.

[0020] Figure 6 This is a three-dimensional structural diagram of the annular air duct of the present invention.

[0021] Figure 7 This is a three-dimensional cross-sectional view of the annular air duct of the present invention.

[0022] Figure 8 This is a three-dimensional structural diagram of the sealing device of the present invention.

[0023] Figure 9 This is a three-dimensional cross-sectional view of the sealing device of the present invention.

[0024] Figure 10 This is a three-dimensional structural diagram of the rotary table.

[0025] In the diagram: 1. Annular cantilever beam, 2. Sealing cover, 3. Annular air duct, 3.1. Upper part, 3.2. Lower part, 3.3. Water sealing device, 3.4. Outer ring of water sealing device, 3.5. Inner ring of water sealing device, 3.6. Sewage trough, 4. Sealing device, 4.1. Outer ring of sealing device, 4.2. Inner ring of sealing device, 4.3. Inner side plate, 4.4. Partition plate, 4.5. Outer side plate, 4.6. Sewage valve, 5. Rotary material trough, 5.1. Individual material trough frame, 5.2. Liner plate, 5.3. Grille, 5.4. Individual material trough column, A. Inlet, B1. Blower outlet, B2. Air volume compensation port, B3. Air inlet, B4. Air duct outlet, C1. High temperature outlet, C2. Low temperature outlet, D. Discharge port, W. Tank installation point. Detailed Implementation

[0026] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0027] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0028] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0029] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0030] like Figures 1 to 10 As shown, the vertical convection ring cooler of the present invention consists of an annular cantilever beam (1), a sealing cover (2), an annular air duct (3), a sealing device (4), and a rotating trough (5). The sealing cover (2) is suspended above the rotating trough (5) by the annularly arranged cantilever beam (1). The annular cantilever beam (1) is installed on the foundation and remains stationary. The rotating trough (5) is fixed to the rotary table by the trough mounting point (W) and rotates with the rotary table. A sealing device (4) is provided between the rotating trough (5) and the sealing cover (2) to complete the sealing.

[0031] In this embodiment, as Figure 1-3 As shown in Figures 6 and 7, the annular air duct (3) consists of two parts, upper and lower (3.1) and (3.2), which are connected by a water-sealing device (3.3) to ensure airtightness.

[0032] In this embodiment, as Figure 1 , 6 As shown, the lower part (3.1) of the annular air duct (3) is evenly distributed with drain troughs (3.6). When there is too much slag in the water seal device (3.3), it can be discharged from the drain troughs (3.6) to ensure the normal operation of the water seal device (3.3).

[0033] In this embodiment, as Figure 1 , 2 The lower part (3.1) of the annular air duct (3) is provided with three circular ventilation ducts, and the blower outlet (B1) is connected to the blower to provide the air volume required for the entire equipment.

[0034] In this embodiment, as Figure 1-4 As shown, the lower half (3.2) of the annular air duct (3) is fixedly installed on the foundation and does not rotate. The air outlet (B4) of the upper part (3.1) is connected to the air inlet (B3) of the rotating trough (5).

[0035] In this embodiment, as Figure 2 , 3As shown in Figures 8 and 9, the sealing device (4) consists of an outer ring (4.1) and an inner ring (4.2). Both the inner and outer rings (4.2) and (4.1) of the sealing device are composed of an inner side plate (4.3), a partition plate (4.4), an outer side plate (4.5), and a drain valve (4.6). The inner side plate (4.3) and the outer side plate (4.5) are installed on the rotary tank (5) and rotate with the rotary tank (5). The partition plate (4.4) is installed on the sealing cover (2) and does not move. The space between the inner and outer side plates (4.3) and (4.5) is filled with water, which separates the rotary tank (5), the sealing cover (2), and the outside world to form a seal. When there is too much slag in the water of the sealing device (4), it can be discharged from the drain valve (4.6) to ensure the normal operation of the sealing device (4).

[0036] In this embodiment, as Figure 1 , 2 As shown in Figures 4 and 5, the rotary trough (5) is composed of many individual troughs. Each trough has a main structure consisting of an individual trough frame (5.1) and an individual trough column (5.4). The trough body is funnel-shaped, which is beneficial for material stability and unloading. Wear-resistant lining plates (5.2) are laid inside the trough body, and grilles (5.3) are installed at the air volume compensation port (B2) and air inlet (B3) to prevent the ore from falling into the air duct. The rotary trough (5) is installed on the rotary table through the trough body mounting point (W) and rotates with the rotary table. The lower part of the rotary trough (5) is the discharge port (D), through which the cooled ore is unloaded onto the rotary table, completing the ore cooling action.

[0037] In this embodiment, as Figure 1-9 As shown, the rotary trough (5) rotates at a constant speed following the rotary table, and the sintering hot ore is evenly layered in the trough from the feed port (A). The blower vent (B1) is connected to the blower, and a large amount of low-temperature air enters from the bottom of the rotary trough (5), carrying away the high temperature of the hot ore. It first passes through the high-temperature air outlet (C1) and then through the low-temperature air outlet (C2). Both the high-temperature air outlet (C1) and the low-temperature air outlet (C2) are connected to exhaust fans, and the extracted hot air is transported to the thermal power generation stage, thereby achieving the purpose of heat energy utilization, energy saving and emission reduction. When the air volume of the blower vent (B1) is different from that of the high and low temperature air outlets (C1) (C2), the air volume compensation port (B2) can be opened to compensate for the air volume, so that the inlet and outlet air volumes are equal, thereby achieving stable internal and external pressure.

[0038] The present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described above. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention. Many other changes and modifications made without departing from the concept and scope of the present invention should be considered within the scope of protection of the present invention.

[0039] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0040] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A vertical convection ring cooler, characterized in that, include: A rotary table and a rotary trough mounted on the rotary table, wherein the rotary trough rotates with the rotary table; a discharge port is provided on the outer circumference of the bottom of the rotary trough. A sealing cover is installed above the rotary trough; Several inverted L-shaped cantilever beams are arranged in a ring around the outside of the rotary material trough. The sealing cover is suspended above the rotary material trough by the cantilever beams. The sealing cover does not rotate with the rotary material trough.

2. A vertical convection ring cooler as described in claim 1, characterized in that, include: The rotary trough is composed of multiple continuously arranged individual troughs; each individual trough is composed of a trough frame and a wear-resistant liner.

3. A vertical convection ring cooler according to claim 1, characterized in that: The sealing cover is provided with a feed inlet; the sealing cover is provided with an air outlet.

4. A vertical convection ring cooler according to claim 1, characterized in that: The inner side of the rotary material trough is provided with an air inlet; the outer side of the rotary material trough is provided with an air volume compensation port.

5. A vertical convection ring cooler according to claim 1, characterized in that: A connecting ring is provided above the center of the annular cooler, and one end of each cantilever beam near the center is set on the connecting ring.

6. A vertical convection ring cooler according to claim 1, characterized in that: A water seal device is installed between the rotary trough and the sealing cover.

7. A vertical convection ring cooler according to claim 1, characterized in that: The water-sealing device includes: a circular partition with an inverted L-shaped cross-section provided on the outer circumference of the lower end of the sealing cover; A U-shaped water trough is provided on the outer circumference of the upper end of the rotary trough, corresponding to the circular partition. The lower end of the circular partition is located inside the water trough and is lower than the water level in the water trough and does not contact the annular water trough.

8. A vertical convection ring cooler according to claim 1, characterized in that: A drain valve is installed at the bottom of the water tank.

9. A vertical convection ring cooler according to claim 1, characterized in that: The individual trough consists of a trough frame and a material trough column set on a rotary table, and the inside of the trough is funnel-shaped; wear-resistant lining plates are laid inside the trough; each individual trough has an air volume compensation port on the outer side of its bottom and an air inlet on the inner side of its bottom; and a grille is installed at the air volume compensation port and the air inlet.

10. A vertical convection ring cooler according to claim 1, characterized in that: An annular air duct is provided downward inside the rotary trough; the annular air duct consists of upper and lower parts, which are connected by a water seal device. The lower part of the annular air duct is provided with multiple air ducts, and the air inlets of the air ducts are connected to the blowers; the air outlet of the upper part of the annular air duct is connected to the air inlet of the rotating trough.

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