Semi-coke drying kiln device capable of recycling waste heat

Abstract

The utility model discloses a semi-coke drying kiln device capable of recycling waste heat, and relates to the technical field of waste heat recycling. The device comprises a heating box, a plurality of positioning rods are fixed in the heating box, and a positioner is fixed at one end of each positioning rod; a waste heat recovery pipe is fixed on the outer side of the positioner; a filter is fixed at the air inlet end of the waste heat recovery pipe; the filter comprises a filter shell which is connected with the air inlet end of the waste heat recovery pipe through an air pipe, and an air inlet pipe is fixed to one end of the filter shell. According to the semi-coke drying kiln waste heat recovery device, through the effect of the filter, waste gas exhausted by a semi-coke drying kiln is filtered before being recycled, impurities are prevented from directly entering the S-shaped waste heat recovery pipe, and the situation that the waste gas cannot pass through smoothly due to the fact that the waste gas is blocked at the turning position of the waste heat recovery pipe is avoided; and meanwhile, the filter screen can be simply cleaned under the condition that the filter is not disassembled, so that the waste gas waste heat recycling efficiency of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste heat recovery, and particularly relates to a semi-coke drying kiln device for waste heat recovery and utilization. Background Art

[0002] A drying kiln is a type of rotary kiln, which is widely used for mechanical, physical or chemical treatment of solid materials, mainly for drying materials. The semi-coke raw materials used by calcium carbide production enterprises need to be dried by a drying device before entering the furnace to reduce the moisture content of the semi-coke. During the semi-coke drying process, the exhaust gas from the drying kiln is generally discharged in a centralized manner.

[0003] The utility model with the publication number "CN207066020U" and the name "A blue charcoal drying system using waste heat from lime kiln exhaust gas" discloses a blue charcoal drying kiln, the main function of which is to process the tail gas generated after drying blue charcoal through a dust collector and then discharge it through a chimney, thus avoiding dust pollution to the environment. However, the dust collector in the device has a fixed structure, and after the dust collector has been used for a period of time, solid impurities will accumulate in the dust collector, resulting in a decrease in the dust removal efficiency of the dust collector, thereby affecting the overall recycling efficiency of the device. Utility Model Content

[0004] The utility model aims to provide a semi-coke drying kiln device for recovering and utilizing waste heat. Through the function of the filter, the device filters the waste gas discharged from the semi-coke drying kiln before recovering and reusing it, so as to prevent impurities from directly entering the S-shaped waste heat recovery pipe, and to prevent impurities from being blocked at the turning part of the waste heat recovery pipe so as to prevent the waste gas from passing smoothly. At the same time, the filter net can be simply cleaned without disassembling the filter, thereby improving the efficiency of waste heat recovery of the waste gas of the device, and solving the problem that solid impurities will accumulate in the existing dust collector after being used for a period of time, resulting in reduced dust removal efficiency of the dust collector, thereby affecting the overall recovery and reuse efficiency of the device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A waste heat recovery and utilization blue charcoal drying kiln device comprises a heating box, a plurality of positioning rods are fixed inside the heating box, and a positioner is fixed at one end of the positioning rod;

[0007] A waste heat recovery pipe is fixed on the outside of the positioner;

[0008] A filter is fixed at the air inlet end of the waste heat recovery pipe;

[0009] The filter comprises a filter shell, the filter shell is connected to the air inlet end of the waste heat recovery pipe through an air duct, and an air inlet pipe is fixed to one end of the filter shell;

[0010] A plurality of placement slots are fixed on the top of the filter housing, and cleaning slots are provided on both sides of the placement slots;

[0011] A filter plate is slidably connected inside the placement groove, a top plate is fixed on the top of the filter plate, a first spring is fixed on the top of the top plate, and a handle is fixed on one end of the first spring;

[0012] Cleaning plates are fixed at both ends of the handle, and the cleaning plates penetrate the top plate;

[0013] The cleaning plate is slidably connected to the cleaning tank, and a plurality of cleaning brushes are fixed on the inner wall of the cleaning plate.

[0014] The utility model is further configured as follows: a bottom plate is movably connected to the bottom of the filter housing, and mounting plates are fixed to both sides of the bottom plate and the filter housing;

[0015] A threaded hole is provided on the surface of the mounting plate, and a bolt is threadedly connected inside the threaded hole.

[0016] The utility model is further configured as follows: a plurality of adjustment slots are provided at the bottom of the filter housing, and a plurality of stoppers are fixed at the top of the bottom plate;

[0017] The stopper matches the adjusting groove.

[0018] The utility model is further configured as follows: the positioner comprises a positioning shell;

[0019] A positioning plate is fixed inside the positioning shell, and second springs are fixed on both sides of the positioning plate;

[0020] An adjusting plate is fixed at one end of the second spring.

[0021] The utility model is further configured as follows: an adjusting rod is fixed to one end of the adjusting plate, and the adjusting rod passes through the positioning shell;

[0022] A support plate is fixed at one end of the adjusting rod, and the support plate matches the inner wall of the waste heat recovery pipe.

[0023] The utility model is further configured as follows: a water inlet pipe is fixed on the top of the heating box;

[0024] A water outlet pipe is fixed at the bottom of the heating box, and a valve is fixed on the outside of the water outlet pipe.

[0025] The utility model is further configured as follows: a sealing groove is fixed on one side of the heating box, and a sealing strip is movably connected inside the sealing groove;

[0026] A box plate is fixed on one side of the sealing strip.

[0027] The utility model has the following beneficial effects:

[0028] 1. The utility model uses the function of the filter. Before the waste gas discharged from the semi-coke drying kiln is recycled and reused, the device filters it to prevent impurities from directly entering the S-shaped waste heat recovery pipe, and prevents it from being blocked at the turning point of the waste heat recovery pipe, resulting in the waste gas being unable to pass smoothly. At the same time, the filter net can be simply cleaned without disassembling the filter, thereby improving the efficiency of the waste gas waste heat recovery and utilization of the device.

[0029] 2. The utility model uses the positioner in the heating box to support the inner wall of the waste heat recovery pipe. At the same time, with the action of the second spring inside the positioning shell, the second spring pushes the support plates on both sides so that the support plates can stick more closely to the inner wall of the waste heat recovery pipe to support it, thereby avoiding direct collision between the positioning rod and the outer wall of the waste heat recovery pipe during use, thereby preventing damage to the outer wall of the waste heat recovery pipe.

[0030] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 The utility model is a structural schematic diagram of a semi-coke drying kiln device for waste heat recovery and utilization.

[0033] Figure 2 It is a schematic diagram of the internal structure of the heating box of the present utility model.

[0034] Figure 3 It is a schematic diagram of the structure of the utility model from an upward viewing angle.

[0035] Figure 4 This is a schematic diagram of the filter plate structure of the utility model.

[0036] Figure 5 This is a schematic diagram of the filter structure of the utility model.

[0037] Figure 6 This is a schematic diagram of the box plate structure of the utility model.

[0038] Figure 7 This is a schematic diagram of the structure of the positioner of the utility model.

[0039] Figure 8 This is a schematic diagram of the bottom plate structure of the utility model.

[0040] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0041] 1-heating box, 2-positioning rod, 3-positioner, 4-waste heat recovery pipe, 5-filter, 6-filter shell, 7-inlet pipe, 8-placement slot, 9-cleaning slot, 10-filter plate, 11-top plate, 12-first spring, 13-handle, 14-cleaning plate, 15-cleaning brush, 16-bottom plate, 17-mounting plate, 18-threaded hole, 19-bolt, 20-adjusting slot, 21-stopper, 22-positioning shell, 23-positioning plate, 24-second spring, 25-adjusting plate, 26-adjusting rod, 27-support plate, 28-water inlet pipe, 29-water outlet pipe, 30-valve, 31-sealing slot, 32-sealing strip, 33-box plate. DETAILED DESCRIPTION

[0042] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0043] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0044] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention. Specific embodiment 1

[0046] See also Figure 1-8 The utility model is a semi-coke drying kiln device for waste heat recovery, comprising a heating box 1, wherein a plurality of positioning rods 2 are fixed inside the heating box 1, and a positioner 3 is fixed at one end of the positioning rod 2; a waste heat recovery pipe 4 is fixed on the outside of the positioner 3; a filter 5 is fixed at the air inlet end of the waste heat recovery pipe 4; the filter 5 comprises a filter shell 6, which is connected to the air inlet end of the waste heat recovery pipe 4 through an air duct, and an air inlet pipe 7 is fixed at one end of the filter shell 6; a plurality of placement grooves 8 are fixed on the top of the filter shell 6, and cleaning grooves 9 are opened on both sides of the placement grooves 8; a filter plate 10 is slidably connected inside the placement groove 8, a top plate 11 is fixed on the top of the filter plate 10, a first spring 12 is fixed on the top of the top plate 11, and a handle 13 is fixed at one end of the first spring 12; cleaning plates 14 are fixed at both ends of the handle 13, and the cleaning plate 14 passes through the top plate 11; the cleaning plate 14 is slidably connected to the cleaning groove 9, and a plurality of cleaning brushes 15 are fixed on the inner wall of the cleaning plate 14.

[0047] Specifically, a bottom plate 16 is movably connected to the bottom of the filter housing 6, and mounting plates 17 are fixed to both sides of the bottom plate 16 and the filter housing 6; a threaded hole 18 is opened on the surface of the mounting plate 17, and a bolt 19 is threadedly connected inside the threaded hole 18.

[0048] Furthermore, a plurality of adjusting grooves 20 are formed at the bottom of the filter housing 6 , and a plurality of stoppers 21 are fixed on the top of the bottom plate 16 ; the stoppers 21 match the adjusting grooves 20 .

[0049] The operation process of this embodiment is as follows: when the device is in use, the exhaust gas in the blue charcoal drying kiln is discharged into the filter 5 through the air inlet pipe 7, and cold water is poured into the heating box 1 through the water inlet pipe 28. The exhaust gas with a large amount of heat passes through the filter shell 6 and enters the S-shaped waste heat recovery pipe 4. The waste heat recovery pipe 4 heats the cold water in the heating box 1 and discharges the heated water through the outlet pipe 29. After the exhaust gas enters the filter shell 6, it passes through a number of filter plates 10 in turn. The filter plates 10 filter the solids mixed in the exhaust gas discharged from the blue charcoal drying kiln to prevent it from directly entering the waste heat recovery pipe 4. After a period of use, more solid impurities are attached to the surface of the filter plate 10. At this time, By pressing the handle 13 downward, the handle 13 drives the cleaning plate 14 at one end thereof to move downward, and the cleaning brush 15 on the inner wall of the cleaning plate 14 brushes both sides of the filter plate 10, brushes off the impurities stuck in the mesh of the filter plate 10, removes the bottom plate 16, and discharges these impurities from the bottom plate 16. Before recycling and reusing the exhaust gas discharged from the semi-coke drying kiln, the device filters it to prevent impurities from directly entering the S-shaped waste heat recovery pipe 4, and prevents them from being blocked at the turning point of the waste heat recovery pipe 4, resulting in the waste gas being unable to pass smoothly. At the same time, the filter screen 10 can be simply cleaned without disassembling the filter 5, thereby improving the efficiency of the waste gas waste heat recovery and utilization of the device. Specific embodiment 2

[0051] See also Figure 6-7 On the basis of the specific embodiment 1, the positioner 3 includes a positioning shell 22; a positioning plate 23 is fixed inside the positioning shell 22, and second springs 24 are fixed on both sides of the positioning plate 23; an adjusting plate 25 is fixed at one end of the second spring 24; an adjusting rod 26 is fixed at one end of the adjusting plate 25, and the adjusting rod 26 passes through the positioning shell 22; a support plate 27 is fixed at one end of the adjusting rod 26, and the support plate 27 matches the inner wall of the waste heat recovery pipe 4.

[0052] Specifically, a water inlet pipe 28 is fixed on the top of the heating box 1 ; a water outlet pipe 29 is fixed on the bottom of the heating box 1 , and a valve 30 is fixed on the outside of the water outlet pipe 29 .

[0053] Furthermore, a sealing groove 31 is fixed on one side of the heating box 1 , and a sealing strip 32 is movably connected inside the sealing groove 31 ; a box plate 3 is fixed on one side of the sealing strip 32 .

[0054] The operation process of this embodiment is as follows: when in use, the positioner 3 in the heating box 1 supports the inner wall of the waste heat recovery pipe 4, and at the same time cooperates with the action of the second spring 24 inside the positioning shell 22. The second spring 24 pushes the support plates 27 on both sides thereof, so that the support plates 27 can be more closely attached to the inner wall of the waste heat recovery pipe 4, thereby supporting it, avoiding direct collision between the positioning rod 2 and the outer wall of the waste heat recovery pipe 4 during use, and preventing damage to the outer wall of the waste heat recovery pipe 4.

[0055] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0056] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A waste heat recovery and utilization blue charcoal drying kiln device, comprising a heating box (1), characterized in that: A plurality of positioning rods (2) are fixed inside the heating box (1), and a positioner (3) is fixed at one end of the positioning rod (2); A waste heat recovery pipe (4) is fixed on the outside of the positioner (3); A filter (5) is fixed at the air inlet end of the waste heat recovery pipe (4); The filter (5) comprises a filter shell (6), the filter shell (6) is connected to the air inlet end of the waste heat recovery pipe (4) through an air duct, and an air inlet pipe (7) is fixed to one end of the filter shell (6); A plurality of placement grooves (8) are fixed on the top of the filter housing (6), and cleaning grooves (9) are provided on both sides of the placement grooves (8); A filter plate (10) is slidably connected inside the placement groove (8), a top plate (11) is fixed on the top of the filter plate (10), a first spring (12) is fixed on the top of the top plate (11), and a handle (13) is fixed on one end of the first spring (12); Cleaning plates (14) are fixed to both ends of the handle (13), and the cleaning plates (14) penetrate the top plate (11); The cleaning plate (14) is slidably connected to the cleaning groove (9), and a plurality of cleaning brushes (15) are fixed to the inner wall of the cleaning plate (14).

2. A waste heat recovery and utilization blue charcoal drying kiln device according to claim 1, characterized in that: The bottom of the filter housing (6) is movably connected to a bottom plate (16), and mounting plates (17) are fixed to both sides of the bottom plate (16) and the filter housing (6); A threaded hole (18) is formed on the surface of the mounting plate (17), and a bolt (19) is threadedly connected inside the threaded hole (18).

3. A waste heat recovery and utilization blue charcoal drying kiln device according to claim 2, characterized in that: The bottom of the filter housing (6) is provided with a plurality of adjustment grooves (20), and the top of the bottom plate (16) is fixed with a plurality of stoppers (21); The stopper (21) matches the adjustment groove (20).

4. The waste heat recovery and utilization blue charcoal drying kiln device according to claim 1 is characterized in that: The positioner (3) comprises a positioning shell (22); A positioning plate (23) is fixed inside the positioning shell (22), and second springs (24) are fixed on both sides of the positioning plate (23); An adjustment plate (25) is fixed to one end of the second spring (24).

5. A waste heat recovery and utilization blue charcoal drying kiln device according to claim 4, characterized in that: An adjusting rod (26) is fixed to one end of the adjusting plate (25), and the adjusting rod (26) passes through the positioning shell (22); A support plate (27) is fixed to one end of the adjusting rod (26), and the support plate (27) matches the inner wall of the waste heat recovery pipe (4).

6. The waste heat recovery and utilization blue charcoal drying kiln device according to claim 1 is characterized in that: A water inlet pipe (28) is fixed on the top of the heating box (1); A water outlet pipe (29) is fixed at the bottom of the heating box (1), and a valve (30) is fixed on the outside of the water outlet pipe (29).

7. The waste heat recovery and utilization blue charcoal drying kiln device according to claim 1 is characterized in that: A sealing groove (31) is fixed on one side of the heating box (1), and a sealing strip (32) is movably connected inside the sealing groove (31); A box plate (33) is fixed to one side of the sealing strip (32).

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