Secondary heating device for superheated steam boiler

Abstract

The secondary heating device for the superheated steam boiler comprises two sets of heating boxes, first guide pipes fixedly penetrate through the upper portions of the two sets of heating boxes, and first electric gate valves are installed at the upper ends of the two sets of first guide pipes. Second guide pipes are installed at the upper ends of the two sets of first electric gate valves, the side walls of the two sets of second guide pipes are fixedly connected with a smoke inlet box in a sleeving mode, a smoke inlet pipe fixedly penetrates through the upper portion of the smoke inlet box, and third guide pipes fixedly penetrate through the lower portions of the two sets of heating boxes; second electric gate valves are installed at the lower ends of the two sets of third guide pipes correspondingly, and fourth guide pipes are installed at the lower ends of the two sets of second electric gate valves correspondingly. The secondary heating device for the superheated steam boiler has the advantages that the smoke inlet box and the smoke outlet box are adopted, through the smoke inlet box and the smoke outlet box, secondary heating work does not need to be stopped, the heating box can be overhauled, and the use practicability of the secondary heating device for the superheated steam boiler is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to superheated steam boiler technical field, concretely relates to superheated steam boiler with secondary heating device. BACKGROUND

[0002] Superheated steam boiler is a kind of equipment specially used for producing superheated steam, is widely used in food processing factory, textile mill, power plant etc. place, steam works after temperature will reduce, at this moment can be completed to the secondary heating of steam by secondary heating device, practical use has simple operation, stable structure and heating effect good etc. Advantage.

[0003] Prior art discloses the steam secondary heating device based on boiler waste heat of application number: CN202321998989.0, the utility model only has a heating box, when the heating box is damaged or is in the overhaul state, the secondary heating of steam cannot continue, reduces the use practicality of this utility model, simultaneously, steam needs to complete heating work in regenerative brick masonry box, but there is no airtightness detection structure, cannot know whether regenerative brick masonry box is in sealed state, and this utility model brings hidden trouble for the continuous use, the utility model discloses a superheated steam boiler with secondary heating device.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the deficiencies in the prior art, the utility model provides a superheated steam boiler with secondary heating device, which has the advantages of not needing to stop secondary heating work, being able to overhaul the heating box, having an airtightness detection structure, and being able to detect whether the heat exchange space is sealed, thereby solving the problems in the above background art.

[0007] (II) technical scheme

[0008] To achieve the above-mentioned advantages of not needing to stop secondary heating work, being able to overhaul the heating box, having an airtightness detection structure, and being able to detect whether the heat exchange space is sealed, the utility model adopts the following specific technical scheme:

[0009] The utility model provides a secondary heating device for superheated steam boiler, including heating box, two groups of heating box's upper portion are all fixedly penetrated with first guide pipe, and the upper end of two groups of first guide pipe all is installed with first electric plug -in valve, and the upper end of two groups of first electric plug -in valve all is installed with second guide pipe, the lateral wall of two groups of second guide pipe is fixedly sleeved with the smoke box of going into, and the upper portion of smoke box is fixedly penetrated with the smoke pipe of going into, the lower portion of two groups of heating box all is fixedly penetrated with third guide pipe, and the lower end of two groups of third guide pipe all is installed with second electric plug -in valve, and the lower end of two groups of second electric plug -in valve all is installed with fourth guide pipe, the lateral wall of two groups of fourth guide pipe is fixedly sleeved with the smoke box of going out, and the lower portion of smoke box is fixedly penetrated with the smoke pipe of going out, and the inside of two groups of heating box is installed with a plurality of groups of heat storage brick masonry box, and between two groups of heating box fixedly penetrated with first three -way pipe and second three -way pipe, and between a plurality of groups of heat storage brick masonry box and first three -way pipe and second three -way pipe are installed with a plurality of groups of communication pipe, one end of first three -way pipe installs the fan of end portion, and the air inlet end of fan is installed with the air inlet pipe, the lateral wall of both ends of first three -way pipe all is provided with first electromagnetic valve, the lateral wall of both ends of second three -way pipe all is provided with second electromagnetic valve, and between two groups of heating box is installed with electric control box, and the inside of electric control box is installed with control panel, both ends of first three -way pipe all installs the gas guide pipe, both ends of second three -way pipe all installs the exhaust pipe, and the lateral wall of the remote end of two groups of exhaust pipe all is fixedly sleeved with the gas cylinder of storing.

[0010] Further, the remote face of two groups of heating box all is installed with air pump, and one end of two groups of exhaust pipe is respectively connected with the output end of two groups of air pump, the lateral wall of two groups of gas guide pipe and two groups of exhaust pipe all is provided with third electromagnetic valve, the inside of two groups of gas cylinder all is installed with filter screen hole plate, and the inside of two groups of filter screen hole plate all is installed with connecting rod, the opposite end of two groups of connecting rod all is installed with piston, the remote end of two groups of connecting rod all is installed with limit plate, the opposite face of two groups of limit plate all is installed with pressing column, the lateral wall of two groups of connecting rod all is sleeved with telescopic spring, the outer wall of two groups of gas cylinder all is installed with frame, and the inside of two groups of frame all is slidably penetrated with I -shaped sliding block, the end face of two groups of I -shaped sliding block all is installed with battery box, and the remote face of two groups of battery box all is installed with buzzer alarm, and the remote face of two groups of buzzer alarm all is installed with press switch, the inside top surface and bottom surface of two groups of frame all is installed with magnet block.

[0011] Further, two groups of I -shaped sliding block all are made of iron material.

[0012] Further, the inside of two groups of battery box all is installed with storage battery, and two groups of press switch are respectively connected with two groups of buzzer alarm and two groups of storage battery through wire.

[0013] Further, the control panel is electrically connected with the two groups of first electric plug-in valve, the two groups of second electric plug-in valve, the two groups of first electromagnetic valve, the two groups of second electromagnetic valve and the fan through wires.

[0014] Further, the outer wall of the plurality of groups of heat storage brick masonry boxes is provided with a plurality of groups of heat conduction fins.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the superheated steam boiler secondary heating device has the following beneficial effects:

[0017] (1) The utility model discloses an inlet smoke box and an outlet smoke box, and when the superheated steam boiler secondary heating device is actually used, the left group of first electric plug-in valve, the left group of second electric plug-in valve, the left group of first electromagnetic valve and the left group of second electromagnetic valve are closed by the control panel, and the fan works at the same time, at which time the flue gas in the superheated steam boiler can enter the inside of the inlet smoke box through the inlet smoke pipe, and then the flue gas enters the inside of the right group of heating boxes through the right group of first pipes and the right group of second pipes, and then the flue gas enters the inside of the outlet smoke box through the right group of third pipes and the right group of fourth pipes, and finally the flue gas is discharged through the outlet smoke pipe, in the process, the fan can make the steam pass through the inlet pipe, the first three-way pipe, the right group of communication pipes, the right group of heat storage brick masonry boxes and the second three-way pipe in turn, at which time the steam can be heated twice by using the heat transfer principle, in the process, the inside of the left group of heating boxes can be overhauled, the right group of first electric plug-in valve, the right group of second electric plug-in valve, the right group of first electromagnetic valve and the right group of second electromagnetic valve are closed by the control panel, and the left group of first electric plug-in valve, the left group of second electric plug-in valve, the left group of first electromagnetic valve and the left group of second electromagnetic valve are opened at the same time, at which time the flue gas passes through the left group of heating boxes to heat the steam twice, and at the same time, the right group of heating boxes can be overhauled, and by arranging the inlet smoke box and the outlet smoke box, the heating boxes can be overhauled without stopping the secondary heating work, and the use practicality of the superheated steam boiler secondary heating device is improved.

[0018] (2), the utility model discloses a gas duct, exhaust pipe and air cylinder, before actually using the overheated steam boiler secondary heating device, utilize control panel, make left side a group of first solenoid valve and left side a group of second solenoid valve close, and make third solenoid valve open and close, simultaneously make left side a group of air pump work, and air can pass through left side a group of gas duct and enter the inside of first three -way pipe and left side multiple groups of heat storage brick masonry box, and the excess air can pass through left side a group of exhaust pipe and enter the inside of left side a group of air cylinder, and this part of air can top left side a group of piston, and the piston of left side a group of removal can make left side a group of limit plate and left side a group of pressing column left shift, and at the same time, the piston of left side a group of removal can extrude left side a group of telescopic spring, when first three -way pipe and left side multiple groups of heat storage brick masonry box exist leakage, and left side a group of telescopic spring is under the action of self -elastic force, can push left side a group of piston, make left side a group of limit plate and left side a group of pressing column right shift, when left side a group of pressing column press down left side a group of pressing switch, left side a group of bee buzzing alarm starts work, and the operation worker can judge first three -way pipe and left side multiple groups of heat storage brick masonry box exist leakage through the sound of left side a group of bee buzzing alarm, when left side a group of bee buzzing alarm prompts work end, can move down left side a group of I -shaped sliding block, when left side a group of I -shaped sliding block and left side below a group of magnet block adsorption, left side a group of pressing column can not press left side a group of pressing switch, the use of another group of air cylinder, and the operation can be obtained, by setting up gas duct, exhaust pipe and air cylinder, possess airtightness detection structure, can detect whether the heat exchange space is sealed, bring the guarantee for the continuous use of overheated steam boiler secondary heating device. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0020] Figure 1 is the structure diagram of the overheated steam boiler secondary heating device provided by the present application.

[0021] Figure 2 is the front view of the overheated steam boiler secondary heating device provided by the present application.

[0022] Figure 3 is the perspective view of the frame provided by the present application.

[0023] Figure 4 is the Figure 1 enlarged view of A in the above figure.

[0024] Figure 5 The utility model provides a Figure 1 The enlarged view of B in the middle.

[0025] In the figure:

[0026] 1, heating box;2, first conduit;3, first electric plug-in valve;4, second conduit;5, smoke inlet box;6, smoke inlet pipe;7, third conduit;8, second electric plug-in valve;9, fourth conduit;10, smoke outlet box;11, smoke outlet pipe;12, heat storage brick masonry box;13, first tee pipe;14, second tee pipe;15, first electromagnetic valve;16, second electromagnetic valve;17, fan;18, air inlet pipe;19, air pump;20, air guide pipe;21, exhaust pipe;22, air cylinder;23, filter screen aperture plate;24, connecting rod;25, piston;26, telescopic spring;27, limit plate;28, pressing column;29, frame;30, I-shaped sliding block;31, battery box;32, buzzer alarm;33, magnet block;34, third electromagnetic valve. DETAILED DESCRIPTION

[0027] To further illustrate the embodiments, the utility model provides with the drawing, these drawings are the part of the utility model disclosure, it is mainly used to explain the embodiment, and can cooperate the related description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to the proportion, and similar component symbols are usually used to indicate similar components.

[0028] According to the embodiment of the utility model, a secondary heating device for superheated steam boiler is provided.

[0029] The utility model will be further explained in combination with the specific embodiment and the drawing, such as Figures 1-5As shown, the secondary heating device for superheated steam boiler according to the utility model embodiment, including heating box 1, heating box 1 is provided with two groups, the upper portion of two groups of heating box 1 is fixedly penetrated with first conduit 2, and the upper end of two groups of first conduit 2 is installed with first electric plug-in valve 3, and the upper end of two groups of first electric plug-in valve 3 is installed with second conduit 4, and the lateral wall of two groups of second conduit 4 is fixedly sleeved with smoke inlet box 5, and the upper portion of smoke inlet box 5 is fixedly penetrated with smoke inlet pipe 6, the lower portion of two groups of heating box 1 is fixedly penetrated with third conduit 7, and the lower end of two groups of third conduit 7 is installed with second electric plug-in valve 8, and the lower end of two groups of second electric plug-in valve 8 is installed with fourth conduit 9, and the lateral wall of two groups of fourth conduit 9 is fixedly sleeved with smoke outlet box 10, and the lower portion of smoke outlet box 10 is fixedly penetrated with smoke outlet pipe 11, and a plurality of groups of heat storage brick masonry boxes 12 are installed in the inside of two groups of heating box 1, and first three-way pipe 13 and second three-way pipe 14 are fixedly penetrated between two groups of heating box 1, and a plurality of groups of communication pipes are installed between a plurality of groups of heat storage brick masonry boxes 12 and first three-way pipe 13 and second three-way pipe 14, and the end of first three-way pipe 13 is installed with fan 17, and the air inlet end of fan 17 is installed with air inlet pipe 18, and the lateral wall of both ends of first three-way pipe 13 is provided with first electromagnetic valve 15, and the lateral wall of both ends of second three-way pipe 14 is provided with second electromagnetic valve 16, and electric control box is installed between two groups of heating box 1, and control panel is installed in the inside of electric control box, and air guide pipe 20 is installed at both ends of first three-way pipe 13, and exhaust pipe 21 is installed at both ends of second three-way pipe 14, and the lateral wall of the end of two groups of exhaust pipe 21 is fixedly sleeved with gas storage cylinder 22, and by setting smoke inlet box 5 and smoke outlet box 10, heating box 1 can be overhauled without stopping secondary heating work, and the use practicality of the secondary heating device for superheated steam boiler is improved.

[0030] In an embodiment, the faraway faces of the two groups of heating boxes 1 are provided with air pumps 19, one ends of the two groups of air exhaust pipes 21 are respectively clamped with the output ends of the two groups of air pumps 19, the side walls of the two groups of air guide pipes 20 and the two groups of air exhaust pipes 21 are provided with third electromagnetic valves 34, the interiors of the two groups of air cylinder 22 are provided with filter screen mesh plates 23, the interiors of the two groups of filter screen mesh plates 23 are slidably provided with connecting rods 24, the opposite ends of the two groups of connecting rods 24 are provided with pistons 25, the faraway ends of the two groups of connecting rods 24 are provided with limiting plates 27, the opposite faces of the two groups of limiting plates 27 are provided with pressing columns 28, the side walls of the two groups of connecting rods 24 are sleeved with telescopic springs 26, the outer walls of the two groups of air cylinder 22 are provided with frames 29, the interiors of the two groups of frames 29 are slidably penetrated with I-shaped sliding blocks 30, the end faces of the two groups of I-shaped sliding blocks 30 are provided with battery boxes 31, the faraway faces of the two groups of battery boxes 31 are provided with buzzer alarms 32, and the faraway faces of the two groups of buzzer alarms 32 are provided with pressing switches, the inner top faces and bottom faces of the two groups of frames 29 are provided with magnet blocks 33, the air-tightness detection structure is provided by the air guide pipes 20, the air exhaust pipes 21 and the air cylinder 22, which can detect whether the heat exchange space is sealed, thereby guaranteeing the continuous use of the secondary heating device for the overheat steam boiler.

[0031] In an embodiment, the two groups of I-shaped sliding blocks 30 are made of iron material, which guarantees the adsorption of the four groups of magnet blocks 33.

[0032] In an embodiment, the interiors of the two groups of battery boxes 31 are provided with storage batteries, the two groups of pressing switches are electrically connected with the two groups of buzzer alarms 32 and the two groups of storage batteries through wires, and the two groups of storage batteries provide power for the two groups of buzzer alarms 32.

[0033] In an embodiment, the control panel is electrically connected with the two groups of first electric plug-in valves 3, the two groups of second electric plug-in valves 8, the two groups of first electromagnetic valves 15, the two groups of second electromagnetic valves 16 and the fan 17 through wires, the control circuit of the control panel can be realized through simple programming of those skilled in the art, which belongs to the common knowledge in the art, only the use is described, no transformation is made, so the control mode and the circuit connection are not described in detail.

[0034] In an embodiment, the outer walls of the groups of heat storage brick masonry boxes 12 are provided with groups of heat-conducting fins.

[0035] Working principle:

[0036] In actual use of the secondary heating device for superheated steam boiler, the control panel is used to close the left group of first electric plug-in valve 3, the left group of second electric plug-in valve 8, the left group of first electromagnetic valve 15 and the left group of second electromagnetic valve 16, and to make the fan 17 work at the same time. At this time, the flue gas in the superheated steam boiler can enter the inside of the smoke inlet box 5 through the smoke inlet pipe 6, and then enter the inside of the right group of heating boxes 1 through the right group of first conduits 2 and the right group of second conduits 4. After that, the flue gas enters the inside of the smoke outlet box 10 through the right group of third conduits 7 and the right group of fourth conduits 9, and finally is discharged through the smoke outlet pipe 11. In this process, the fan 17 can make the steam pass through the air inlet pipe 18, the first three-way pipe 13, the right group of communication pipes, the right group of heat storage brick masonry boxes 12 and the second three-way pipe 14 in turn. At this time, the secondary heating of the steam can be carried out by using the heat transfer principle. In this process, the inside of the left group of heating boxes 1 can be maintained. The control panel is used to close the right group of first electric plug-in valve 3, the right group of second electric plug-in valve 8, the right group of first electromagnetic valve 15 and the right group of second electromagnetic valve 16, and to open and close the left group of first electric plug-in valve 3, the left group of second electric plug-in valve 8, the left group of first electromagnetic valve 15 and the left group of second electromagnetic valve 16 at the same time. At this time, the flue gas passes through the left group of heating boxes 1 to carry out the secondary heating of the steam. At the same time, the right group of heating boxes 1 can be maintained. Through the smoke inlet box 5 and the smoke outlet box 10 arranged, the heating boxes 1 can be maintained without stopping the secondary heating work, which improves the practicality of the secondary heating device for superheated steam boiler. At the same time, before the actual use of the secondary heating device for superheated steam boiler, the control panel is used to close the left group of first electromagnetic valve 15 and the left group of second electromagnetic valve 16, and to open and close the third electromagnetic valve 34 at the same time. At the same time, the left group of air pumps 19 is made to work. The air can enter the inside of the first three-way pipe 13 and the left group of heat storage brick masonry boxes 12 through the left group of air guide pipes 20. The excess air can enter the inside of the left group of air cylinders 22 through the left group of air exhaust pipes 21. This part of air can push the left group of pistons 25. The moving left group of pistons 25 can make the left group of limit plates 27 and the left group of pressing columns 28 move left through the left group of connecting rods 24. At the same time, the moving left group of pistons 25 can extrude the left group of extension springs 26. When the first three-way pipe 13 and the left group of heat storage brick masonry boxes 12 have a leakage, the left group of extension springs 26 can push the left group of pistons 25 to make the left group of limit plates 27 and the left group of pressing columns 28 move right under the action of their own elastic force. When the left group of pressing columns 28 press the left group of pressing switches, the left group of buzzer alarms 32 starts to work. The operator can judge whether the first three-way pipe 13 and the left group of heat storage brick masonry boxes 12 have a leakage through the sound emitted by the left group of buzzer alarms 32. After the left group of buzzer alarms 32 prompts the end of work, the left group of I-shaped sliding blocks 30 can be moved down.When the left group of I-shaped slide blocks 30 is adsorbed with the left lower group of magnet blocks 33, the left group of pressing columns 28 cannot press the left group of pressing switches, and the use of another group of air cylinders 22 can be obtained.

[0037] In the utility model, unless another definite provision and limitation, the terms "mount", "arrange", "connect", "fix", "screw" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication or the interaction relation of two elements of two elements inside, unless another definite limitation, for the ordinary skilled person in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0038] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A secondary heating device for a superheated steam boiler, characterized in that, The system includes a heating box (1), which is provided in two sets. A first conduit (2) is fixedly inserted through the upper part of each of the two sets of heating boxes (1). A first electric slide valve (3) is installed at the upper end of each of the two sets of first electric slide valves (3). A second conduit (4) is installed at the upper end of each of the two sets of second conduits (4). A smoke inlet box (5) is fixedly sleeved on the side wall of each of the two sets of second conduits (4). A smoke inlet pipe (6) is fixedly inserted through the upper part of the smoke inlet box (5). Both sets of heating boxes (1) have a third conduit (7) fixedly inserted through their lower parts, and a second electric slide valve (8) is installed at the lower end of both sets of third conduits (7). A fourth conduit (9) is installed at the lower end of both sets of second electric slide valves (8). A smoke outlet box (10) is fixedly sleeved on the side wall of both sets of fourth conduits (9), and a smoke outlet pipe (11) is fixedly inserted through the lower part of the smoke outlet box (10). Multiple sets of heat storage bricks are installed inside the two sets of heating boxes (1). A masonry box (12) is fixedly connected to two sets of heating boxes (1) by a first tee pipe (13) and a second tee pipe (14). Multiple sets of connecting pipes are installed between the multiple sets of heat storage brick masonry boxes (12) and the first tee pipe (13) and the second tee pipe (14). A fan (17) is installed at one end of the first tee pipe (13), and an air inlet pipe (18) is installed at the air inlet end of the fan (17). The side walls at both ends of the first tee pipe (13) are provided with a first Solenoid valve (15), second solenoid valve (16) is provided on both ends of the second three-way pipe (14), an electrical control box is installed between the two sets of heating boxes (1), and a control panel is installed inside the electrical control box, a gas guide pipe (20) is installed on both ends of the first three-way pipe (13), an exhaust pipe (21) is installed on both ends of the second three-way pipe (14), and an air storage cylinder (22) is fixedly sleeved on the side wall of the far end of the two sets of exhaust pipes (21).

2. The secondary heating device for a superheated steam boiler according to claim 1, characterized in that, Air pumps (19) are installed on the far side of both sets of heating boxes (1). One end of each set of exhaust pipes (21) is connected to the output end of each set of air pumps (19). A third solenoid valve (34) is provided on the side wall of each set of air guide pipes (20) and each set of exhaust pipes (21). A filter screen plate (23) is installed inside each set of air storage cylinders (22). A connecting rod (24) is slidably installed inside each set of filter screen plates (23). A piston (25) is installed at the opposite end of each set of connecting rods (24). A limit plate (27) is installed at the far end of each set of connecting rods (24). (27) is equipped with pressing columns (28) on the opposite sides. The side walls of the two sets of connecting rods (24) are fitted with telescopic springs (26). The outer walls of the two sets of air tanks (22) are equipped with frames (29). The interiors of the two sets of frames (29) are slidably connected by I-shaped sliders (30). The end faces of the two sets of I-shaped sliders (30) are equipped with battery boxes (31). The far sides of the two sets of battery boxes (31) are equipped with buzzers (32). The far sides of the two sets of buzzers (32) are equipped with push switches. The top and bottom surfaces of the interiors of the two sets of frames (29) are equipped with magnets (33).

3. The secondary heating device for a superheated steam boiler according to claim 2, characterized in that, Both sets of I-shaped sliders (30) are made of iron.

4. The secondary heating device for a superheated steam boiler according to claim 2, characterized in that, Both sets of battery boxes (31) are equipped with storage batteries. The two sets of push switches are electrically connected to the two sets of buzzer alarms (32) and the two sets of storage batteries respectively via wires.

5. The secondary heating device for a superheated steam boiler according to claim 1, characterized in that, The control panel is electrically connected to two sets of first electric slide gate valves (3), two sets of second electric slide gate valves (8), two sets of first solenoid valves (15), two sets of second solenoid valves (16) and a fan (17) via wires.

6. The secondary heating device for a superheated steam boiler according to claim 1, characterized in that, The outer wall of the multiple sets of heat storage brick masonry boxes (12) is provided with multiple sets of heat-conducting fins.

Images