Boiler with waste heat recovery function

Abstract

The utility model relates to the technical field of boiler equipment, and discloses a boiler with a waste heat recovery function, which comprises a boiler main body, the outer wall of the boiler main body is fixedly connected with a heat preservation layer, the inner wall of the heat preservation layer is provided with a water storage layer, the outer wall of the heat preservation layer is fixedly connected with a support frame, and the top of the support frame is fixedly connected with a water pump. The input end of the water pump communicates with a first connecting pipe, the other end of the first connecting pipe communicates with a refrigerator, the output end of the refrigerator penetrates through the top of the supporting frame and communicates with a water tank, and the output end of the water pump communicates with an output pipe. According to the boiler, water in the water storage layer is heated through smoke, then the temperature in the boiler body is maintained through the cooperation of the heat preservation layer and hot water, the filter screen is installed and placed through the inserting groove, the pull rod is pulled to drive the spring to conduct extrusion, and therefore the filter screen can be replaced more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler equipment, in particular to a boiler with a waste heat recovery function. Background Art

[0002] A waste heat boiler is a boiler that utilizes the waste heat in waste gas, waste materials or waste liquid in various industrial processes or (and) the heat generated by the combustion of their combustible substances, or a boiler that generates heat by utilizing the high-temperature flue gas discharged from the gas turbine in a combined cycle unit using oil (or gas).

[0003] Most of the current boilers heat the inside of the boiler, so that the heat inside the boiler generates thermal energy, which is then converted into mechanical energy or electrical energy. However, since the outer wall of the boiler is made of metal, the heat inside the boiler will directly evaporate through the furnace wall, which will result in a large loss of heat energy and energy loss. Therefore, a boiler with waste heat recovery function is proposed to solve the above problem. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a boiler with a waste heat recovery function, aiming to improve the problem in the prior art that the boiler is made of metal, which easily leads to excessive heat loss.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a boiler with waste heat recovery function, comprising a boiler body, the outer wall of the boiler body is fixedly connected to a thermal insulation layer, the inner wall of the thermal insulation layer is provided with a water storage layer, the outer wall of the thermal insulation layer is fixedly connected to a support frame, the top of the support frame is fixedly connected to a water pump, the input end of the water pump is connected with a connecting pipe 1, the other end of the connecting pipe 1 is connected with a refrigerator, the output end of the refrigerator passes through the top of the support frame and is connected with a water tank, the output end of the water pump is connected with an output pipe, the other end of the output pipe passes through the outer wall of the thermal insulation layer and is connected to the inside of the water storage layer, the right side of the boiler body is connected with a connecting pipe 2, the other end of the connecting pipe 2 is connected with a fan, the output end of the fan is connected with a filter box, the left side of the filter box is connected with an air outlet pipe, the other end of the air outlet pipe is connected to the outer wall of the thermal insulation layer, and a filtering mechanism is provided inside the filter box.

[0006] As a further description of the above technical solution:

[0007] The filtering mechanism includes a cover plate, the bottom of which is installed on the top of the filter box, a plurality of plug-in slots are provided at the bottom of the cover plate, filter nets are slidably connected to the interior of the plurality of plug-in slots, a plurality of plug-in plates are fixedly connected to the interior of the filter box, clamping plates are fixedly connected to the four corners of the cover plate, a plurality of fixed plates are fixedly connected to the opposite side of the filter box, pull rods are slidably connected to the interior of the plurality of fixed plates, and springs are fixedly connected to the outer walls of the plurality of pull rods.

[0008] As a further description of the above technical solution:

[0009] The top of the cover plate is fixedly connected with a handle, and the outer walls of the two handles are fixedly connected with an anti-slip sleeve.

[0010] As a further description of the above technical solution:

[0011] A reinforcing plate is fixedly connected to the bottom of the boiler body, and a base is fixedly connected to the bottom of the reinforcing plate.

[0012] As a further description of the above technical solution:

[0013] The four corners at the bottom of the base are all fixedly connected with support columns.

[0014] As a further description of the above technical solution:

[0015] Universal wheels are installed at the four corners of the bottom of the base.

[0016] As a further description of the above technical solution:

[0017] A switch box is fixedly connected to the left side of the boiler body, and a dust cover is rotatably connected to the left side of the switch box.

[0018] As a further description of the above technical solution:

[0019] The switch box is electrically connected to the boiler body, the water pump, the refrigerator and the fan respectively.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the water in the water tank is transported into the water storage layer, the fan is started to discharge the smoke into the insulation layer through the filter box and the air outlet pipe, and then the water in the water storage layer is heated by hot air, and then the temperature inside the boiler body is maintained by the insulation layer and hot water to reduce temperature loss.

[0022] 2. In the utility model, the filter can be conveniently installed and placed through the plug-in slot. The filter is installed in the plug-in board to complete the filtering of the smoke. The pull rod is pulled to drive the spring to squeeze, so that the other end of the pull rod is inserted into the card plate to fix the cover plate. This makes it more convenient to replace the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional schematic diagram of a boiler with waste heat recovery function proposed by the utility model;

[0024] Figure 2 This is a schematic structural diagram of a boiler heat preservation device with waste heat recovery function proposed by the utility model;

[0025] Figure 3 This is a structural schematic diagram of a filtering device for a boiler with a waste heat recovery function proposed by the utility model.

[0026] Legend:

[0027] 1. Boiler body; 2. Filter mechanism; 201. Cover plate; 202. Plug-in slot; 203. Filter net; 204. Plug-in plate; 205. Spring; 206. Card plate; 207. Fixing plate; 208. Pull rod; 209. Handle; 210. Anti-slip cover; 3. Insulation layer; 4. Water storage layer; 5. Support frame; 6. Water pump; 7. Water tank; 8. Connecting pipe 1; 9. Refrigerator; 10. Output pipe; 11. Dust cover; 12. Connecting pipe 2; 13. Fan; 14. Filter box; 15. Air outlet pipe; 16. Reinforcement plate; 17. Base; 18. Universal wheel; 19. Support column; 20. Switch box. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a boiler with waste heat recovery function, including a boiler body 1, an outer wall of the boiler body 1 is fixedly connected with an insulation layer 3, an inner wall of the insulation layer 3 is provided with a water storage layer 4, an outer wall of the insulation layer 3 is fixedly connected with a support frame 5, a water pump 6 is fixedly connected with the top of the support frame 5, an input end of the water pump 6 is connected with a connecting pipe 1 8, the other end of the connecting pipe 1 8 is connected with a refrigerator 9, an output end of the refrigerator 9 passes through the top of the support frame 5 and is connected with a water tank 7, an output end of the water pump 6 is connected with an output pipe 10, the other end of the output pipe 10 passes through the outer wall of the insulation layer 3 and is connected to the inside of the water storage layer 4, a connecting pipe 2 12 is connected to the right side of the boiler body 1, the other end of the connecting pipe 2 12 is connected with a fan 13, the output end of the fan 13 is connected with a filter box 14, the left side of the filter box 14 is connected with an air outlet pipe 15, the other end of the air outlet pipe 15 is connected to the outer wall of the insulation layer 3, and a filter mechanism 2 is provided inside the filter box 14.

[0030] Specifically, an insulation layer 3 is welded on the outer wall of the boiler body 1, and an insulation layer 3 and a water storage layer 4 for gas circulation are respectively arranged inside the insulation layer 3, and a support frame 5 is fixed on the outer wall of the insulation layer 3, and a water tank 7 and a water pump 6 are fixedly installed through the support frame 5, a connecting pipe 1 8 is installed on the input end of the water pump 6, and a refrigerator 9 is connected through the connecting pipe 1 8, and an output pipe 10 is connected at the output end of the water pump 6, and the insulation layer 3 is penetrated through the output pipe 10 and connected with the water storage layer 4. The water in the water tank 7 is now transported into the water storage layer 4, the air outlet of the boiler body 1 is connected with the connecting pipe 2 12, and the connecting pipe 2 12 is connected with the fan 13, and the fan 13 is started to discharge the flue gas into the insulation layer 3 through the filter box 14 and the air outlet pipe 15, and then the water in the water storage layer 4 is heated by hot air, and then the temperature inside the boiler body 1 is maintained by the insulation layer 3 and hot water to reduce the temperature loss. At the same time, when cooling the boiler body 1 , the water in the water storage layer 4 can be circulated out by starting the refrigerator 9 , so that the cold water can be transported into the water storage layer 4 , thereby achieving rapid heat dissipation of the boiler body 1 .

[0031] Reference Figure 3The filtering mechanism 2 includes a cover plate 201, the bottom of which is mounted on the top of the filter box 14, a plurality of plug-in slots 202 are provided at the bottom of the cover plate 201, filter screens 203 are slidably connected to the interior of the plurality of plug-in slots 202, a plurality of plug-in plates 204 are fixedly connected to the interior of the filter box 14, a clamping plate 206 is fixedly connected to the four corners of the cover plate 201, a plurality of fixed plates 207 are fixedly connected to the opposite side of the filter box 14, a plurality of fixed plates 207 are slidably connected to the interior of the plurality of fixed plates 207, a plurality of springs 205 are fixedly connected to the outer walls of the plurality of pull rods 208, a handle 209 is fixedly connected to the top of the cover plate 201, and an anti-slip sleeve 210 is fixedly connected to the outer walls of the two handles 209.

[0032] Specifically, the top of the filter box 14 is sealed by a cover plate 201, and a plurality of plug-in slots 202 are provided at the bottom of the cover plate 201, through which the filter screen 203 can be conveniently installed and placed, and a plurality of plug-in boards 204 are installed inside the filter box 14, and the filter screen 203 is installed in the plug-in boards 204, so as to complete the filtration of the smoke. A plurality of card plates 206 are fixed on both sides of the cover plate 201, and a fixing plate 207 is fixed on the top of the outer wall of the filter box 14, and a pull rod 208 is installed inside the fixing plate 207, and the pull rod 208 is fixed by a spring 205, and when the pull rod 208 is pulled, the spring is driven to be squeezed, so that the other end of the pull rod 208 is inserted into the card plate 206 to fix the cover plate 201, so that it is more convenient to replace the filter screen 203.

[0033] Reference Figure 1 , Figure 2 and Figure 3 A reinforcement plate 16 is fixedly connected to the bottom of the boiler body 1, a base 17 is fixedly connected to the bottom of the reinforcement plate 16, support columns 19 are fixedly connected to the four corners of the bottom of the base 17, and universal wheels 18 are installed at the four corners of the bottom of the base 17. A switch box 20 is fixedly connected to the left side of the boiler body 1, and a dust cover 11 is rotatably connected to the left side of the switch box 20. The switch box 20 is electrically connected to the boiler body 1, the water pump 6, the refrigerator 9 and the fan 13 respectively.

[0034] Specifically, the boiler body 1 is fixedly supported by the reinforcement plate 16 and the base 17, so that the shaking of the boiler body 1 can be reduced when it is in use and the service life of the device can be improved. A plurality of support columns 19 and universal wheels 18 are installed at the bottom of the base 17, so that the entire device can be moved and fixed, and it is more convenient to use. The dust cover 11 can prevent dust from falling into the switch box 20, thereby improving the service life of the switch box 20.

[0035] Working principle: First, when the device is used, an insulation layer 3 is welded on the outer wall of the boiler body 1, and an insulation layer 3 for gas circulation and a water storage layer 4 are respectively arranged inside the insulation layer 3, and a support frame 5 is fixed on the outer wall of the insulation layer 3, and a water tank 7 and a water pump 6 are fixedly installed through the support frame 5, and a connecting pipe 1 8 is installed on the input end of the water pump 6, and the refrigerator 9 is connected through the connecting pipe 1 8, and an output pipe 10 is connected at the output end of the water pump 6, and the insulation layer 3 is connected to the water storage layer 4 through the output pipe 10. The water in the water tank 7 is now transported into the water storage layer 4, and the air outlet of the boiler body 1 is connected to the connecting pipe 2 12, and the connecting pipe 2 12 is connected to the fan 13. The fan 13 is started to discharge the flue gas into the insulation layer 3 through the filter box 14 and the air outlet pipe 15, and then the water in the water storage layer 4 is heated by hot air, and then the temperature inside the boiler body 1 is maintained by the insulation layer 3 and hot water to reduce the temperature loss. At the same time, when cooling the boiler body 1, the water in the water storage layer 4 can be circulated out by starting the refrigerator 9, so that the cold water can be transported into the water storage layer 4, thereby realizing the rapid heat dissipation treatment of the boiler body 1, and when filtering the flue gas, the top of the filter box 14 is sealed by the cover plate 201, and the filter screen 203 can be conveniently installed and placed through the plug-in slot 202, and the filter screen 203 is installed in the plug-in board 204, thereby completing the filtering treatment of the flue gas. Multiple card plates 206 are fixed on both sides of the cover plate 201, and when the pull rod 208 is pulled, the spring is driven to squeeze, so that the other end of the pull rod 208 is inserted into the card plate 206 to fix the cover plate 201, so that it is more convenient to replace the filter screen 203.

[0036] Finally, it should be noted that the above 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 make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A boiler with waste heat recovery function, comprising a boiler body (1), characterized in that: The outer wall of the boiler body (1) is fixedly connected to a heat-insulating layer (3), the inner wall of the heat-insulating layer (3) is provided with a water storage layer (4), the outer wall of the heat-insulating layer (3) is fixedly connected to a support frame (5), the top of the support frame (5) is fixedly connected to a water pump (6), the input end of the water pump (6) is connected to a connecting pipe (8), the other end of the connecting pipe (8) is connected to a refrigerator (9), the output end of the refrigerator (9) passes through the top of the support frame (5) and is connected to a water tank (7), the output end of the water pump (6) is connected to an output pipe (8) (10), the other end of the output pipe (10) penetrates the outer wall of the thermal insulation layer (3) and is connected to the inside of the water storage layer (4), the right side of the boiler body (1) is connected to a second connecting pipe (12), the other end of the second connecting pipe (12) is connected to a fan (13), the output end of the fan (13) is connected to a filter box (14), the left side of the filter box (14) is connected to an air outlet pipe (15), the other end of the air outlet pipe (15) is connected to the outer wall of the thermal insulation layer (3), and a filter mechanism (2) is arranged inside the filter box (14).

2. The boiler with waste heat recovery function according to claim 1, characterized in that: The filtering mechanism (2) comprises a cover plate (201), the bottom of the cover plate (201) is mounted on the top of the filter box (14), a plurality of plug-in slots (202) are provided at the bottom of the cover plate (201), a filter screen (203) is slidably connected to the inside of the plurality of plug-in slots (202), a plurality of plug-in plates (204) are fixedly connected to the inside of the filter box (14), a clamping plate (206) is fixedly connected to the four corners of the cover plate (201), a plurality of fixed plates (207) are fixedly connected to the opposite side of the filter box (14), a plurality of pull rods (208) are slidably connected to the inside of the plurality of pull rods (208), and a spring (205) is fixedly connected to the outer wall of the plurality of pull rods (208).

3. The boiler with waste heat recovery function according to claim 2, characterized in that: The top of the cover plate (201) is fixedly connected to a handle (209), and the outer walls of the two handles (209) are fixedly connected to an anti-slip sleeve (210).

4. The boiler with waste heat recovery function according to claim 1, characterized in that: A reinforcing plate (16) is fixedly connected to the bottom of the boiler body (1), and a base (17) is fixedly connected to the bottom of the reinforcing plate (16).

5. The boiler with waste heat recovery function according to claim 4, characterized in that: Support columns (19) are fixedly connected at the four corners of the bottom of the base (17).

6. The boiler with waste heat recovery function according to claim 4, characterized in that: Universal wheels (18) are installed at the four corners of the bottom of the base (17).

7. The boiler with waste heat recovery function according to claim 1, characterized in that: A switch box (20) is fixedly connected to the left side of the boiler body (1), and a dust cover (11) is rotatably connected to the left side of the switch box (20).

8. The boiler with waste heat recovery function according to claim 7, characterized in that: The switch box (20) is electrically connected to the boiler body (1), the water pump (6), the refrigerator (9) and the fan (13) respectively.

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