CN215572318U

CN215572318U - Waste heat recovery device for heat supply boiler

Info

Publication number: CN215572318U
Application number: CN202122203816.2U
Authority: CN
Inventors: 董明
Original assignee: Shandong Rongyuan Environmental Protection Technology Co ltd
Current assignee: Shandong Rongyuan Environmental Protection Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-18
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the technical field of heat recovery equipment, in particular to a waste heat recovery device for a heat supply boiler, which comprises a recovery box, a heat recovery tank and a heat recovery device, wherein the recovery box is provided with a heat recovery pipe; the positive surface of collection box rotates and is provided with the chamber door, the inside both sides of collection box are provided with a plurality of first baffles and a plurality of second baffles respectively, all be provided with a plurality of supporting shoes on a plurality of first baffles and a plurality of second baffles, hot gas channel's inside is provided with the heating pipe, the both ends of heating pipe can be dismantled respectively and are connected with inlet tube and drain pipe, the upper and lower both ends of collection box are provided with respectively to discharge fume the pipe and advance the tobacco pipe, the inside of discharging fume the pipe and advancing the tobacco pipe is provided with composite filter screen and just imitates the filter screen respectively, fixedly connected with push pedal on the heating pipe, the outside of collection box is provided with the cylinder that is used for driving the push pedal along longitudinal movement. According to the utility model, the time of the flue gas in the recovery box can be prolonged through the arranged hot gas channel, and the heating effect on the heating pipe is improved.

Description

Waste heat recovery device for heat supply boiler

Technical Field

The utility model relates to the technical field of heat recovery equipment, in particular to a waste heat recovery device for a heat supply boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.

In the existing boiler waste heat recovery device, the contact area between heat and a pipeline is small, the contact time is short, and certain heat loss can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the background art, and provides a waste heat recovery device for a heat supply boiler.

The technical scheme of the utility model is as follows: a waste heat recovery device for a heating boiler comprises a recovery box; the positive surface of collection box rotates and is provided with the chamber door, be provided with the locking knot on the chamber door, the inside both sides of collection box are provided with a plurality of first baffles and a plurality of second baffle respectively, all be provided with a plurality of supporting shoes on a plurality of first baffles and a plurality of second baffle, the inside hot gas channel who has serpentine structure of formation through a plurality of first baffles and a plurality of second baffle of collection box, hot gas channel's inside is provided with the heating pipe, the both ends of heating pipe can be dismantled respectively and be connected with inlet tube and drain pipe, the upper and lower both ends of collection box are provided with respectively and discharge fume the pipe and advance the tobacco pipe, discharge fume the pipe and advance the inside of tobacco pipe and be provided with composite filter screen and primary filter screen respectively, fixedly connected with push pedal on the heating pipe, the outside of collection box is provided with and is used for driving the push pedal along longitudinal movement's cylinder.

Preferably, a plurality of first baffles and a plurality of second baffles are all arranged in the interior of the recycling bin side by side, and the first baffles and the second baffles are mutually spaced and staggered.

Preferably, the heating pipe is provided with a plurality of heating grooves along the path direction.

Preferably, the inner wall of the recycling box and the inner side surface of the box door are both provided with heat insulating layers.

Preferably, when the box door is in a closed state, the heat insulation layer arranged on the inner side surface of the box door is tightly propped against the first partition plate and the second partition plate.

Preferably, the bottom end of the recovery box is provided with a plurality of rollers; the recycling box is provided with a pushing handle.

Preferably, the inside of heating pipe is provided with temperature sensor, is provided with control panel on the collection box, control panel and temperature sensor electric connection.

Preferably, the drain pipe is provided with an electromagnetic valve, and the electromagnetic valve is electrically connected with the control panel.

Preferably, the outer side of the primary filter screen is provided with an installation frame, the installation frame is abutted against the inner wall of the smoke inlet pipe, and the upper part of the smoke inlet pipe is provided with a slot for inserting the installation frame; the mounting frame is provided with a sealing plate, and the sealing plate is abutted to the outer wall of the smoke inlet pipe.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

1. the primary filter screen and the composite filter screen which are arranged can both play a role in filtering impurities and dust in the flue gas.

2. Through the snakelike hot gas path who is that sets up can prolong the flue gas in the inside time of collection box, promote the heating effect to the heating pipe.

3. The cylinder drives the heating pipe to move outwards, so that an operator can conveniently clean the heating pipe.

Drawings

FIG. 1 is a schematic view showing the internal structure of the recovery tank of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural view of a heating pipe according to the present invention.

Fig. 4 is a partially enlarged structural view of a portion a of fig. 1.

Reference numerals: 1. a recycling bin; 101. a hot gas path; 201. a first separator; 202. a second separator; 3. heating a tube; 301. a heating tank; 4. a roller; 5. a smoke exhaust pipe; 6. a heat-insulating layer; 7. compounding a filter screen; 8. a support block; 9. pushing the plate; 10. a water inlet pipe; 11. a drain pipe; 12. an electromagnetic valve; 13. pushing the handle; 14. a box door; 15. a smoke inlet pipe; 16. a locking buckle; 17. a control panel; 181. a primary filter screen; 182. installing a frame; 19. and (7) sealing the plate.

Detailed Description

Example one

As shown in fig. 1-4, the waste heat recovery device for a heating boiler provided by the utility model comprises a recovery box 1; the front surface of the recycling box 1 is provided with a box door 14 in a rotating manner, the box door 14 is provided with a locking buckle 16, the two sides in the recycling box 1 are respectively provided with a plurality of first partition plates 201 and a plurality of second partition plates 202, a plurality of supporting blocks 8 are arranged on the first partition plates 201 and the second partition plates 202, the inside of the recycling box 1 forms a hot air channel 101 with a serpentine structure through the first partition plates 201 and the second partition plates 202, the inside of the hot air channel 101 is provided with a heating pipe 3, the two ends of the heating pipe 3 are respectively detachably connected with a water inlet pipe 10 and a water outlet pipe 11, the upper end and the lower end of the recycling box 1 are respectively provided with a smoke exhaust pipe 5 and a smoke inlet pipe 15, the insides of the smoke exhaust pipe 5 and the smoke inlet pipe 15 are respectively provided with a composite filter screen 7 and a primary filter screen 181, a push plate 9 is fixedly connected to the heating pipe 3, and an air cylinder used for driving the push plate 9 to move longitudinally is arranged outside the recycling box 1.

The plurality of first partition plates 201 and the plurality of second partition plates 202 are arranged in the recovery tank 1 side by side, and the plurality of first partition plates 201 and the plurality of second partition plates 202 are spaced from each other and staggered with each other.

The inner wall of the recycling box 1 and the inner side surface of the box door 14 are both provided with an insulating layer 6; the heat preservation 6 that sets up can promote the inside heat preservation effect of collection box 1, reduces thermal scattering and disappearing.

When the door 14 is in the closed state, the insulating layer 6 disposed on the inner side of the door 14 abuts against the first partition 201 and the second partition 202.

The bottom end of the recovery box 1 is provided with a plurality of rollers 4; the recycling bin 1 is provided with a pushing handle 13; the rollers 4 are provided to facilitate movement of the entire device.

A temperature sensor is arranged inside the heating pipe 3, a control panel 17 is arranged on the recovery box 1, and the control panel 17 is electrically connected with the temperature sensor; the temperature sensor (not shown) can monitor the temperature of the liquid inside the heating pipe 3, and feed the detected information back to the control panel 17, and the control panel 17 displays the temperature value inside the heating pipe 3.

The drain pipe 11 is provided with an electromagnetic valve 12, and the electromagnetic valve 12 is electrically connected with a control panel 17; when the temperature inside the heating pipe 3 reaches a set value, an operator can control the electromagnetic valve 12 to open through the control panel 17, so that the hot water inside the heating pipe 3 flows out.

The outer side of the primary filter screen 181 is provided with a mounting frame 182, the mounting frame 182 is tightly abutted against the inner wall of the smoke inlet pipe 15, and the upper part of the smoke inlet pipe 15 is provided with a slot for inserting the mounting frame 182; a sealing plate 19 is arranged on the mounting frame 182, and the sealing plate 19 is abutted against the outer wall of the smoke inlet pipe 15; when the primary filter screen 181 is cleaned, the sealing plate 19 can be pulled directly to move the primary filter screen 181 out of the smoke inlet tube 15, which is convenient for the cleaning work of the operator.

In this embodiment, the recycling bin 1 is moved to the position of the heat supply boiler, then, a flue gas outlet on the heat supply boiler is connected with the smoke inlet pipe 15, hot flue gas enters the recycling bin 1 through the smoke inlet pipe 15, a primary filter screen 181 arranged in the smoke inlet pipe 15 can filter impurities and dust in the flue gas, the hot flue gas entering the recycling bin 1 slowly flows to the top of the recycling bin 1 through a hot gas passage 101, water in the heating pipe 3 can be heated in the process of hot gas flowing, the time of the flue gas in the recycling bin 1 can be prolonged through the arranged snake-shaped hot gas passage 101, the heating effect on the heating pipe 3 is improved, finally, the flue gas is discharged outwards through the smoke exhaust pipe 5, the composite filter screen 7 arranged in the smoke exhaust pipe 5 can improve the purification effect on the flue gas, and the pollution of the flue gas to the surrounding environment is avoided; heating pipe 3 can cover the dust on its outer wall after long-time the use, if not in time clear up then can influence the heating effect to heating pipe 3 to the dust, when clearing up heating pipe 3, at first open chamber door 14, then start cylinder (not shown) work, cylinder drive push pedal 9 moves to the front side, push pedal 9 has driven the removal of heating pipe 3, make heating pipe 3 shift out from the inside of collection box 1, make things convenient for operating personnel to clear up the work to heating pipe 3 and the inside of collection box 1.

Example two

As shown in fig. 3, compared with the first embodiment, the waste heat recovery device for a heating boiler according to the present invention further includes a plurality of heating grooves 301 disposed on the heating pipe 3 along the path direction thereof.

In this embodiment, the contact area between the hot gas and the heating pipe 3 can be increased by the plurality of heating grooves 301, so as to improve the heating effect on the heating pipe 3.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The waste heat recovery device for the heating boiler is characterized by comprising a recovery box (1); a box door (14) is rotatably arranged on the front surface of the recycling box (1), a locking buckle (16) is arranged on the box door (14), a plurality of first partition plates (201) and a plurality of second partition plates (202) are respectively arranged on two sides of the interior of the recycling box (1), a plurality of supporting blocks (8) are respectively arranged on the plurality of first partition plates (201) and the plurality of second partition plates (202), a hot gas channel (101) with a serpentine structure is formed in the recycling box (1) through the plurality of first partition plates (201) and the plurality of second partition plates (202), a heating pipe (3) is arranged in the hot gas channel (101), a water inlet pipe (10) and a water outlet pipe (11) are respectively detachably connected to two ends of the heating pipe (3), a smoke exhaust pipe (5) and a smoke inlet pipe (15) are respectively arranged at the upper end and the lower end of the recycling box (1), a composite filter screen (7) and a primary filter screen (181) are respectively arranged in the smoke exhaust pipe (5) and the smoke inlet pipe (15), a push plate (9) is fixedly connected to the heating pipe (3), and an air cylinder used for driving the push plate (9) to move longitudinally is arranged outside the recovery box (1).

2. A heat recovery device for a heating boiler according to claim 1, characterized in that a plurality of first partitions (201) and a plurality of second partitions (202) are arranged side by side inside the recovery tank (1), the plurality of first partitions (201) and the plurality of second partitions (202) being spaced apart and staggered with respect to each other.

3. A heat recovery device for a heating boiler according to claim 1, characterized in that the heating pipe (3) is provided with a plurality of heating grooves (301) along its path.

4. A heat recovery unit for a heating boiler according to claim 1, characterized in that the inner wall of the recovery tank (1) and the inner side of the tank door (14) are provided with insulating layers (6).

5. A heat recovery device for a heating boiler according to claim 4, characterized in that when the door (14) is in the closed state, the insulating layer (6) arranged on the inner side of the door (14) is pressed against the first partition (201) and the second partition (202).

6. A waste heat recovery device for a heating boiler according to claim 1, characterized in that the bottom end of the recovery tank (1) is provided with a plurality of rollers (4); the recycling box (1) is provided with a pushing handle (13).

7. A heat recovery device for a heating boiler according to claim 1, characterized in that a temperature sensor is arranged inside the heating pipe (3), a control panel (17) is arranged on the recovery box (1), and the control panel (17) is electrically connected with the temperature sensor.

8. A heat recovery device for a heating boiler according to claim 7, characterized in that the drain pipe (11) is provided with an electromagnetic valve (12), and the electromagnetic valve (12) is electrically connected with the control panel (17).

9. The heat recovery device for heating boilers as claimed in claim 1, wherein the outer side of the primary filter screen (181) is provided with a mounting frame (182), the mounting frame (182) is abutted against the inner wall of the smoke inlet pipe (15), and the upper part of the smoke inlet pipe (15) is provided with a slot for inserting the mounting frame (182); the mounting frame (182) is provided with a sealing plate (19), and the sealing plate (19) is abutted against the outer wall of the smoke inlet pipe (15).