A high temperature circulating ash heat recovery device

By designing a miniaturized high-temperature cyclic ash heat recovery device, the problems of large and high cost of existing equipment are solved, efficient and automated heat recovery is achieved, and resource waste is avoided.

CN111637765BActive Publication Date: 2024-12-24CHUZHOU CHUNENG THERMAL POWER CO LTD
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Patent Information

Application Number
CN202010495331.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-06-03
Publication Date
2024-12-24
Estimated Expiration
2040-06-03

AI Technical Summary

Technical Problem

The existing high-temperature solid fluid material recovery devices have huge equipment, large area and high cost, which has led to many companies not recovering heat and causing waste of resources.

Method used

A high-temperature cyclic ash heat recovery device is designed, including a bin and a heat recovery mechanism, adopts a miniaturized design, installs high-temperature electric valves for automatic control, sets up heat-proof expansion and rainy water inlet components, and uses combined components to improve the automation level of the device. and heat recovery efficiency.

Benefits of technology

It realizes miniaturization, low cost and efficient heat recovery of equipment, reduces space consumption, improves the degree of automation, and avoids waste of resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a high-temperature circulating ash heat recovery device, including a bin body and a heat recovery mechanism installed inside the bin body, the bin body is provided with a feed pipe, an inlet manual control valve, an inlet electric control valve 1, a box body, a cone plate, an ash baffle plate, a bottom plate, a discharge pipe and an outlet electric control valve in sequence from top to bottom, the feed pipe is vertically arranged and a sleeve is embedded at the upper end opening, the inlet manual control valve and the inlet electric control valve 1 are installed on the feed pipe, the lower end of the feed pipe is connected to the box body and a protective structure is installed at the connection, the protective structure includes a cover plate 1 with a movable groove installed in the middle and a cover plate 2 threadedly fixed in the movable groove, the outer periphery of the cover plate 1 is connected to the side wall of the box body and a cover plate seat ring is provided at the connection. The present invention miniaturizes the design appearance, is easy to install, has a low cost, and occupies a small space, and a high-temperature electric valve is arranged at the inlet and outlet of the equipment to automatically control the flow rate of high-temperature solid fluid materials and improve the automation degree of the device.
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Description

Technical Field

[0001] The invention relates to the technical field of industrial and mining heat recovery devices, in particular to a high-temperature circulating ash heat recovery device. Background Art

[0002] Industrial and mining enterprises are a general term for industry and mining. Both types of enterprises have specific products. The difference is that the products of the mining industry are more primitive. The mining industry also belongs to the industrial category. Both belong to the secondary industry. In the process of processing minerals, the mining industry will produce a large amount of high-temperature solid fluid materials. Since the high-temperature solid fluid materials contain a large amount of heat and the solid fluid materials have their utilization value, the high-temperature solid fluid materials and the heat contained therein are usually recycled through special equipment.

[0003] However, the existing high-temperature solid fluid material recycling process has the following problems: (1) The existing technical equipment is relatively large, occupies a large area, requires a large factory building, and has a high cost; (2) Due to the high price and technical difficulty of heat recovery equipment, many companies do not carry out heat recovery or even directly discard it, resulting in a waste of resources. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Summary of the invention

[0004] The purpose of the present invention is to provide a high-temperature circulating ash heat recovery device, which solves the problems raised in the background technology and meets the actual use requirements.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-temperature circulating ash heat recovery device, comprising a bin body and a heat recovery mechanism installed inside the bin body, the bin body is provided with a feed pipe, an inlet manual control valve, an inlet electric control valve 1, a box body, a cone plate, an ash baffle plate, a bottom plate, a discharge pipe and an outlet electric control valve in sequence from top to bottom, the feed pipe is vertically arranged and a sleeve is embedded in the upper end opening, the inlet manual control valve and the inlet electric control valve 1 are installed on the feed pipe, the lower end of the feed pipe is connected to the box body and a protective structure is installed at the connection, the protective structure comprises a cover plate 1 with a movable groove installed in the middle and a cover plate 2 threadedly fixed in the movable groove, the outer periphery of the cover plate 1 is connected to the side wall of the box body and A cover plate seat ring is provided at the connection, the cover plate 2 is located at the connection between the feed pipe and the box body, a accommodating cavity is formed inside the box body, the cone plate is welded to the lower end of the box body and a ash baffle is horizontally installed at the connection, a bottom plate is installed at the lower end of the ash baffle, a discharge pipe is installed at the bottom of the bottom plate, the outlet electric control valve is installed in the middle of the discharge pipe, the heat recovery mechanism is composed of a water inlet main pipe, an inlet electric control valve 2, a coil, an outlet main pipe and an outlet manual isolation valve, the water inlet main pipe is horizontally arranged directly above the box body, the inlet electric control valve 2 is installed on the water inlet main pipe, the upper end of the coil is connected to the water inlet main pipe and the end is connected to the outlet main pipe, and the outlet manual isolation valve is installed on the outlet main pipe.

[0006] As a preferred embodiment of the present invention, two groups of stirrups are symmetrically installed on the outer wall of the box body, and the stirrups are in an L-shaped structure and a U-shaped platform is welded on the edge.

[0007] As a preferred embodiment of the present invention, two groups of angle steels are symmetrically installed at the bottom of the box body, and the two groups of angle steels are welded to both sides of the dust baffle.

[0008] As a preferred embodiment of the present invention, a diverter plate is welded to the bottom of the box body, and the diverter plate is in an inverted V-shaped structure.

[0009] As a preferred embodiment of the present invention, the coils are divided into six groups, three of which are located on the left side of the box and the other three are located on the right side of the box, and the coils of two adjacent groups are arranged at equal distances.

[0010] As a preferred embodiment of the present invention, the coils are made of DN25 stainless steel pipes and have a serpentine structure, and the six groups of coils are all arranged in an inclined shape and at an angle of 30 degrees.

[0011] As a preferred embodiment of the present invention, the coil has no weld opening outside the silo body, and the weld opening is arranged outside the silo body.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This scheme improves the existing high-temperature solid fluid material and heat recovery device for industrial and mining use, miniaturizes the design, is easy to install, has a low cost, and occupies a small space. High-temperature electric valves are set at the inlet and outlet of the equipment to automatically control the flow of high-temperature solid fluid materials and improve the degree of automation of the device.

[0014] 2. This solution sets up anti-thermal expansion and rainy day water inlet components at the equipment inlet, and uses modular components for installation. One group of them can be opened as needed to facilitate the discharge of heat, which can effectively increase the heat release expansion of the device and achieve the effect of preventing water ingress when docking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall front view of the present invention;

[0016] Figure 2 It is an overall side view of the present invention.

[0017] In the figure: 1-bin, 2-heat recovery mechanism, 3-feed pipe, 4-import manual control valve, 5-import electric control valve 1, 6-box, 7-conical plate, 8-ash baffle, 9-bottom plate, 10-discharge pipe, 11-export electric control valve, 12-sleeve, 13-movable groove, 14-cover plate 1, 15-cover plate 2, 16-cover plate seat ring, 17-accommodating cavity, 21-water inlet main pipe, 22-import electric control valve 2, 23-coil, 24-export main pipe, 25-export manual isolation valve, 26-hoops, 27-U-shaped platform, 28-angle steel, 29-diverter plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-2The present invention provides a technical solution: a high-temperature circulating ash heat recovery device, comprising a bin body 1 and a heat recovery mechanism 2 installed inside the bin body, the bin body 1 has an outer size of 1000mm×1000mm×1000mm, and the bin body 1 is provided with a feed pipe 3, an inlet manual control valve 4, an inlet electric control valve 5, a box body 6, a cone plate 7, an ash baffle plate 8, a bottom plate 9, a discharge pipe 10 and an outlet electric control valve 11 from top to bottom, the feed pipe 3 is vertically arranged and a sleeve 12 is embedded at the upper end opening, the inlet manual control valve 4 and the inlet electric control valve 5 are installed on the feed pipe 3, and the feed The lower end of the tube 3 is connected to the box body 6 and a protective structure is installed at the connection. The protective structure includes a cover plate 14 with a movable groove 13 installed in the middle and a cover plate 2 15 threadedly fixed in the movable groove 13. The outer periphery of the cover plate 14 is connected to the side wall of the box body 6 and a cover plate seat ring 16 is provided at the connection. The cover plate 2 15 is located at the connection between the feed tube 3 and the box body 6. A accommodating cavity 17 is formed inside the box body 6. The cone plate 7 is welded to the lower end of the box body 6 and an ash baffle 8 is horizontally installed at the connection. The lower end of the ash baffle 8 is installed with a bottom plate 9. A discharge pipe 10 is installed at the bottom of the bottom plate 9. The discharge pipe 10 adopts a φ10 8 stainless steel ash discharge pipe, the outlet electric control valve 11 is installed in the middle of the discharge pipe 10, the heat recovery mechanism 2 is composed of an inlet main pipe 21, an inlet electric control valve 22, a coil 23, an outlet main pipe 24 and an outlet manual isolation valve 25. The inlet main pipe 21 is horizontally arranged just above the box body 6, the inlet electric control valve 22 is installed on the inlet main pipe 21, the coil 23 is connected to the inlet main pipe 21 at the upper end and connected to the outlet main pipe 24 at the lower end, and the outlet manual isolation valve 25 is installed on the outlet main pipe 24. The solid fluid material is introduced into the feed pipe 3 through the sleeve 12 and the inlet manual control valve is connected to the outlet main pipe 24. The control valve 4 or the inlet electric control valve 5 opens the feed pipe 3 to allow the solid fluid material to enter the box body 6. At this time, the cooling medium enters each group of coils 23 through the water inlet main pipe 21. The coils 23 are located inside the solid fluid material. During the flow of the cooling medium, the solid fluid material is cooled for easy recovery. In addition, the cooling medium that has absorbed heat can utilize the heat. Finally, the cooling medium is drawn out of the coil 23 through the pump body connected to the outer end of the outlet pipe 24, and the outlet electric control valve 5 is opened to discharge the cooled solid fluid material from the outlet pipe 10 to achieve heat recovery of the high-temperature circulating ash.

[0020] Further improvement, such as Figure 1 As shown: two sets of stirrups 26 are symmetrically installed on the outer wall of the box body 6. The stirrups 26 are L-shaped structures and U-shaped platforms 27 are welded on the edges to facilitate installation and fixation of the external support frame.

[0021] Further improvement, such as Figure 1As shown: two groups of angle steels 28 are symmetrically installed at the bottom of the box body 6, and the two groups of angle steels 28 are welded to the two sides of the dust baffle plate 8. The angle steels 28 are made of ∠50×50 angle iron to increase the strength of the box body 6.

[0022] Further improvement, such as Figure 2 As shown: a diverter plate 29 is welded at the bottom of the box body 6, and the diverter plate 29 is an inverted V-shaped structure. The diverter plate 29 can increase the discharge speed of the solid fluid material.

[0023] Further improvement, such as Figure 2 As shown: the coils 23 are divided into six groups, three of which are located on the left side of the box 6 and the other three are located on the right side of the box 6. The adjacent groups of coils 23 are arranged equidistantly and placed in the warehouse 1 with an interval of 200 mm. The design of multiple groups of coils 23 can increase the heat absorption rate of solid fluid materials.

[0024] Further improvement, such as Figure 2 As shown: the coil 23 is made of DN25 stainless steel pipe and has a serpentine structure. The six groups of coils 23 are all arranged in an inclined shape and at an angle of 30 degrees. This design method facilitates better contact between the coil 23 and the solid fluid material and improves the heat absorption speed.

[0025] Specifically, the coil 23 has no weld opening inside the silo body 1 , and the weld opening is arranged outside the silo body 1 .

[0026] In the figure: 1-bin, 2-heat recovery mechanism, 3-feed pipe, 4-import manual control valve, 5-import electric control valve 1, 6-box, 7-conical plate, 8-ash baffle, 9-bottom plate, 10-discharge pipe, 11-export electric control valve, 12-sleeve, 13-movable groove, 14-cover plate 1, 15-cover plate 2, 16-cover plate seat ring, 17-accommodating cavity, 21-water inlet main pipe, 22-import electric control valve 2, 23-coil, 24-export main pipe, 25-export manual isolation valve, 26-hoops, 27-U-shaped platform, 28-angle steel, 29-diverter plate.

[0027] When in use: the process flow of the present invention is solid fluid material → inlet manual control valve 4 → inlet electric control valve 15 → anti-thermal expansion and rainy day water inlet components → warehouse body 1 → outlet electric control valve 11; cooling medium → inlet electric control valve 22 → water inlet main pipe 21 → coil 23 → outlet main pipe 24 → outlet manual isolation valve 25. The specific operation steps are: introduce the solid fluid material into the feed pipe 3 through the sleeve 12, and open the feed pipe 3 through the inlet manual control valve 4 or the inlet electric control valve 5 to make the solid fluid material The material enters the box body 6. At this time, the cooling medium enters each group of coils 23 through the water inlet main pipe 21. The coils 23 are located inside the solid fluid material. During the flow of the cooling medium, the solid fluid material is cooled for easy recovery. In addition, the cooling medium that has absorbed heat can utilize the heat. Finally, the cooling medium is drawn out of the coils 23 through the pump body connected to the outer end of the water outlet pipe 24, and the outlet electric control valve 5 is opened to discharge the cooled solid fluid material from the discharge pipe 10 to achieve heat recovery of the high-temperature circulating ash.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high temperature circulating ash heat recovery device, characterized in that: The invention comprises a silo (1) and a heat recovery mechanism (2) installed inside the silo. The silo 1 has an outer dimension of 1000 mm×1000 mm×1000 mm. The silo (1) is provided with a feed pipe (3), an inlet manual control valve (4), an inlet electric control valve (5), a box (6), a cone plate (7), an ash baffle (8), a bottom plate (9), a discharge pipe (10) and an outlet electric control valve (11) in sequence from top to bottom. The feed pipe (3) is vertically arranged and has a sleeve at the upper end. A sleeve (12) is embedded therein, the inlet manual control valve (4) and the inlet electric control valve 1 (5) are installed on the feed pipe (3), the lower end of the feed pipe (3) is connected to the box body (6) and a protective structure is installed at the connection, the protective structure comprises a cover plate 1 (14) with a movable groove (13) installed in the middle and a cover plate 2 (15) threadedly fixed in the movable groove (13), the outer periphery of the cover plate 1 (14) is connected to the side wall of the box body (6) and a cover plate seat ring (16) is provided at the connection, The second cover plate (15) is located at the connection between the feed pipe (3) and the box body (6); a receiving cavity (17) is formed inside the box body (6); the cone plate (7) is welded to the lower end of the box body (6) and a dust baffle (8) is horizontally installed at the connection; a bottom plate (9) is installed at the lower end of the dust baffle (8); a discharge pipe (10) is installed at the bottom of the bottom plate (9); the outlet electric control valve (11) is installed in the middle of the discharge pipe (10); the heat recovery mechanism (2) is connected to the water inlet The invention comprises a main pipe (21), a second inlet electric control valve (22), a coil (23), an outlet main pipe (24) and an outlet manual isolation valve (25), wherein the water inlet main pipe (21) is horizontally arranged just above the box body (6), the second inlet electric control valve (22) is installed on the water inlet main pipe (21), the coil (23) is connected to the water inlet main pipe (21) at its upper end and connected to the outlet main pipe (24) at its lower end, and the outlet manual isolation valve (25) is installed on the outlet main pipe (24); Two sets of stirrups (26) are symmetrically mounted on the outer wall of the box body (6); the stirrups (26) are L-shaped and have U-shaped platforms (27) welded to their edges; Two groups of angle steels (28) are symmetrically mounted on the bottom of the box body (6), and the two groups of angle steels (28) are welded to two sides of the dust baffle plate (8); A diverter plate (29) is welded to the bottom of the box body (6), and the diverter plate (29) is in an inverted V-shaped structure; The coils (23) are divided into six groups, three of which are located on the left side of the box (6) and the other three are located on the right side of the box (6), and the distance between two adjacent groups of coils (23) is equidistant; The coils (23) are made of DN25 stainless steel pipes and have a serpentine structure. The six groups of coils (23) are all arranged in an inclined shape and at an angle of 30 degrees. The coil (23) has no welding opening inside the silo (1), and the welding opening is arranged outside the silo (1).