CN220669424U

CN220669424U - Waste heat boiler

Info

Publication number: CN220669424U
Application number: CN202322353856.4U
Authority: CN
Inventors: 隋立群; 张晟林
Original assignee: Qingdao Qunze Energy Conservation And Environmental Protection Equipment Co ltd
Current assignee: Qingdao Qunze Energy Conservation And Environmental Protection Equipment Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-03-26
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a waste heat boiler, and relates to the technical field of boilers. The heat exchange device comprises a furnace body, wherein an external installation sleeve, a middle installation sleeve and an internal installation sleeve are sequentially installed between the top end inner wall and the bottom end inner wall of the furnace body from outside to inside, a first screw plate is fixed on the inner wall of the external installation sleeve, and a heat exchange water pipe is installed on the bottom end inner wall of the furnace body. The utility model is different from the prior art in that the waste gas is sent into the external installation sleeve in the furnace body, then the waste gas moves to heat the heat exchange water pipe under the guidance of the first screw plate, then enters the internal installation sleeve through the first conveying pipe, the connecting box and the second conveying pipe, and moves under the guidance of the second screw plate, so that the heat in the waste gas is transferred to the heat storage brick by the internal installation sleeve, the heat storage brick can transfer the heat to the heat exchange water pipe, the heat in the waste gas can be utilized to a greater extent, the heat in the waste gas can be better recycled, and the utilization rate is higher.

Description

Waste heat boiler

Technical Field

The utility model relates to the technical field of boilers, in particular to a waste heat boiler.

Background

The waste heat boiler is a boiler which heats water to a certain temperature by utilizing heat generated after various waste gases, waste materials and combustible substances are combusted, and has the advantages of recovering and utilizing waste heat generated in the industrial production process and reducing energy loss and environmental pollution. It has positive effects on improving energy efficiency, reducing production cost and realizing sustainable development; an existing waste heat boiler system (bulletin number: CN 217952341U) has the following disadvantages in use:

it carries out the heat exchange through waste gas and heat exchange water pipe and realizes heating the inside water of hot-water line, but in the use its time of contacting with heat exchange water pipe in the furnace body is shorter, and the time of staying in the boiler is not long, probably leads to the heat in the waste gas not fully to be recycled, and the utilization ratio is not high, and this patent proposes a waste heat boiler to solve above-mentioned problem for this.

Disclosure of Invention

The utility model aims to provide a waste heat boiler so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exhaust-heat boiler, including the furnace body, install outside installation cover from outside to inside in proper order between top inner wall and the bottom inner wall of furnace body, mid-mounting cover and internally mounted cover, the inner wall of outside installation cover is fixed with first screw thread board, the bottom inner wall of furnace body installs the heat exchange water pipe, the heat exchange water pipe is located between outside installation cover and the mid-mounting cover, the inner wall of internally mounted cover is fixed with the second screw thread board, install the heat accumulation brick between top inner wall and the bottom inner wall of furnace body, the heat accumulation brick is located between mid-mounting cover and the internally mounted cover, the bottom fixed intercommunication of furnace body has first conveyer pipe, first conveyer pipe is located the bottom between outside installation cover and the mid-mounting cover, the tip fixed intercommunication of first conveyer pipe has the spread box, the one end fixed intercommunication of spread box has the second conveyer pipe, the bottom fixed intercommunication of second conveyer pipe and furnace body, the second conveyer pipe is located under the internally mounted cover.

The top fixed intercommunication of furnace body has the connecting pipe, the connecting pipe is located the top between externally mounted cover and the mid-mounting cover, the top fixed intercommunication of connecting pipe has the mounting box, the inside grafting of mounting box has first filter, install first fan between the both sides inner wall of mounting box, first fan is located the below of first filter, be fixed with the fixed axle between the both ends inner wall of mounting box, the outer wall rotation of fixed axle is connected with the dwang, the bottom and the top contact of first filter of dwang, the top fixed intercommunication of mounting box has the intake pipe.

Install the second fan in the connection box, peg graft between the top inner wall of connection box and the bottom inner wall has the second filter, and the second filter is located the one side that the second fan is close to first conveyer pipe.

The support frame is installed to the bottom outer wall of furnace body.

The top of the furnace body is fixedly communicated with an air outlet pipe, and the air outlet pipe is positioned right above the inner mounting sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

this exhaust-heat boiler, with prior art's difference is, in sending into the external mounting cover in the furnace body through the waste gas, then the waste gas carries out the motion at the guide of first screw plate and heats the heat exchange water pipe, afterwards again in entering internally mounted cover through first conveyer pipe, joint box and second conveyer pipe, the guide at the second screw plate moves, make the heat in the waste gas transmit the heat accumulation brick for internally mounted cover again like this, the heat accumulation brick can transmit the heat again for the heat exchange water pipe, the heat in the waste gas can be by the utilization of more limit like this, the heat in the waste gas can be by recycle better, the utilization ratio is higher.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is a schematic view of a partial structure of the present utility model.

In the figure: 1. a furnace body; 2. a connecting pipe; 3. an air outlet pipe; 4. a support frame; 5. a first delivery tube; 6. an external mounting sleeve; 7. a first thread plate; 8. a heat exchange water pipe; 9. an inner mounting sleeve; 10. a second thread plate; 11. a heat accumulating brick; 12. a mounting box; 13. a first filter plate; 14. an air inlet pipe; 15. a fixed shaft; 16. a rotating lever; 17. a first fan; 18. and a middle part is provided with a sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the process of recovering heat generated by burning various waste gases, waste materials and combustible substances, a waste heat boiler is needed. The device has positive effects on improving energy efficiency, reducing production cost and realizing sustainable development, and in the process of recycling operation by using the device, waste gas needs to enter the furnace body 1 through the air inlet pipe 14 in advance, so that the waste gas is ensured to be in contact with the heat exchange water pipe 8, and the heat exchange water pipe 8 is heated.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides an exhaust-heat boiler, including furnace body 1, install externally mounted cover 6 outside in proper order between the top inner wall of furnace body 1 and the bottom inner wall, mid-mounting cover 18 and internally mounted cover 9, the top of furnace body 1 installs the case lid, install three sealing ring on the case lid, the side-mounting of furnace body 1 has the chamber door, externally mounted cover 6, mid-mounting cover 18 and internally mounted cover 9 are fixed through the bolt with between the bottom inner wall of furnace body 1, seal ring activity grafting with the top case lid of furnace body 1, the inner wall of externally mounted cover 6 is fixed with first thread board 7, the bottom inner wall of furnace body 1 installs heat exchange water pipe 8, heat exchange water pipe 8 wraps up mid-mounting cover 18, the one end of furnace body 1 is run through at the both ends of heat exchange water pipe 8, heat exchange water pipe 8 are located between externally mounted cover 6 and the mid-mounting cover 18, internally mounted cover 9's inner wall is fixed with second thread board 10, install heat storage brick 11 between the top inner wall of furnace body 1 and the bottom inner wall, it is pegged graft between mid-mounting cover 18 and internally mounted cover 9, it is located between mid-mounting cover 18 and the bottom inner mounting cover 9, the bottom fixed connection of 1 has a first pipe 5 and the second pipe 5, the bottom fixed connection of inner end 5 is located under the first pipe 5 and the second pipe fixed connection, the bottom end of conveying box 5 is located under the first pipe fixed connection, the second pipe is connected to the second pipe fixed connection, the bottom end of conveying pipe is connected with the second pipe 5, the bottom end of the first pipe is connected with the conveying pipe 5.

It should be noted that the waste gas is sent into the external installation sleeve 6 in the furnace body 1, then the waste gas moves to heat the heat exchange water pipe 8 under the guidance of the first screw plate 7, then enters the internal installation sleeve 9 through the first conveying pipe 5, the connecting box and the second conveying pipe, and moves under the guidance of the second screw plate 10, so that the heat in the waste gas is transferred to the heat storage brick 11 by the internal installation sleeve 9, the heat storage brick 11 can transfer the heat to the heat exchange water pipe 8, the heat in the waste gas can be utilized to a greater extent, the heat in the waste gas can be better recycled, and the utilization rate is higher.

As shown in fig. 3, the top end of the furnace body 1 is fixedly communicated with a connecting pipe 2, the connecting pipe 2 is positioned at the top end between the outer mounting sleeve 6 and the middle mounting sleeve 18, the top end of the connecting pipe 2 is fixedly communicated with a mounting box 12, a first filter plate 13 is inserted into the mounting box 12, a first fan 17 is installed between the inner walls of the two sides of the mounting box 12, the first fan 17 is positioned below the first filter plate 13, a fixed shaft 15 is fixed between the inner walls of the two ends of the mounting box 12, the outer wall of the fixed shaft 15 is rotationally connected with a rotating rod 16, the bottom end of the rotating rod 16 is contacted with the top end of the first filter plate 13, and the top end of the mounting box 12 is fixedly communicated with an air inlet pipe 14.

It should be noted that the exhaust gas passes through the air inlet pipe 14 and then enters the mounting box 12, and then drives the rotating rod 16 to rotate, so that dust filtered by the first filter plate 13 in the exhaust gas is cleaned, the first filter plate 13 is prevented from being blocked, and the exhaust gas is sucked into the external mounting sleeve 6 in the furnace body 1 through the first fan 17.

As shown in fig. 1, a second fan is installed in the connection box, a second filter plate is inserted between the inner wall of the top end and the inner wall of the bottom end of the connection box, the second filter plate is positioned on one side, close to the first conveying pipe 5, of the second fan, and a supporting frame 4 is installed on the outer wall of the bottom end of the furnace body 1. The top of the furnace body 1 is fixedly communicated with an air outlet pipe 3, and the air outlet pipe 3 is positioned right above an inner installation sleeve 9.

It should be noted that the exhaust gas passing through the first screw plate 7 on the outer mounting sleeve 6 is sucked by the second fan, passes through the first conveying pipe 5 and the second filter plate, enters the inner mounting sleeve 9, and then passes through the inner mounting sleeve 9 and is discharged from the air outlet pipe 3.

Working principle: firstly, during operation, waste gas is sucked into the outer mounting sleeve 6 in the furnace body 1 through the first fan 17, then the waste gas moves under the guidance of the first screw plate 7 to heat the heat exchange water pipe 8, then is sucked by the second fan to enter the inner mounting sleeve 9 through the first conveying pipe 5, the second filter plate and the second conveying pipe, moves under the guidance of the second screw plate 10 to heat the heat storage bricks 11, and then the waste gas exits from the air outlet pipe 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims

1. Waste heat boiler, including furnace body (1), its characterized in that: the heat exchange tube (8) is installed to the bottom inner wall of furnace body (1), heat exchange tube (8) is located between external installation cover (6) and mid-mounting cover (18), install heat accumulation brick (11) between the top inner wall and the bottom inner wall of furnace body (1), heat accumulation brick (11) are located between mid-mounting cover (18) and the internally mounted cover (9), the bottom fixed intercommunication of furnace body (1) has first conveyer pipe (5), the bottom between external installation cover (6) and mid-mounting cover (18) is located to the bottom fixed intercommunication of first conveyer pipe (5), the tip fixed intercommunication of first conveyer pipe (5) has the junction box, the one end fixed intercommunication of junction box has the second conveyer pipe, the bottom fixed intercommunication of second conveyer pipe and (1) is located under the internally mounted cover (9).

2. A waste heat boiler according to claim 1, characterized in that: the utility model discloses a furnace body, including furnace body (1), connecting pipe (2) are located the top between external mounting cover (6) and mid-mounting cover (18), the top fixed intercommunication of connecting pipe (2) has install bin (12), the inside grafting of install bin (12) has first filter (13), install first fan (17) between the both sides inner wall of install bin (12), first fan (17) are located the below of first filter (13), be fixed with fixed axle (15) between the both ends inner wall of install bin (12), the outer wall rotation of fixed axle (15) is connected with dwang (16), the bottom of dwang (16) and the top contact of first filter (13), the top fixed intercommunication of install bin (12) has intake pipe (14).

3. A waste heat boiler according to claim 1, characterized in that: install the second fan in the connection box, peg graft between the top inner wall of connection box and the bottom inner wall has the second filter, and the second filter is located one side that the second fan is close to first conveyer pipe (5).

4. A waste heat boiler according to claim 1, characterized in that: the outer wall of the bottom end of the furnace body (1) is provided with a supporting frame (4).

5. A waste heat boiler according to claim 1, characterized in that: the top of the furnace body (1) is fixedly communicated with an air outlet pipe (3), and the air outlet pipe (3) is positioned right above the inner installation sleeve (9).