CN219368481U - Waste gas waste heat recovery device - Google Patents

Abstract

The utility model discloses an exhaust gas waste heat recovery device which comprises a box body, wherein a plurality of heat exchange tubes are arranged in the box body in a penetrating manner, a bottom cover for sealing the bottoms of the heat exchange tubes is arranged at the bottoms of the heat exchange tubes, a rotating rod is movably arranged at the tops of the heat exchange tubes, a rotating handle is fixedly arranged at one end of the rotating rod, one end of the rotating rod is positioned in an inner cavity of the heat exchange tubes, a scraping piece is arranged at the outer side of the rotating rod, and a stirring structure is arranged at one side of the box body. The utility model is convenient for cleaning the impurities in the heat exchange tube and prevents the excessive impurities on the inner wall of the heat exchange tube from affecting the heat exchange efficiency.

Description

Waste gas waste heat recovery device

Technical Field

The utility model relates to the technical field of waste heat recovery, in particular to a waste gas waste heat recovery device.

Background

The waste gas is toxic and harmful gas exhausted by human in the production and living processes, and has large smell, so that the waste gas can seriously pollute the environment and influence the health of human bodies.

At present, heat in the waste gas is conducted to water through a heat exchange tube which is used for introducing the waste gas into water, so that waste heat of the waste gas is recovered, however, due to the fact that impurities in the waste gas are more, more impurities are attached to the inner wall of the heat exchange tube which is used for introducing the waste gas for a long time, heat conduction efficiency is affected, and waste heat recovery utilization rate is low. For this purpose we propose an exhaust gas waste heat recovery device.

Disclosure of Invention

The utility model aims to provide an exhaust gas waste heat recovery device for solving the problems set forth 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 gas waste heat recovery device, includes the box, a plurality of heat exchange tubes are installed in the inside running through of box, the heat exchange tube bottom is provided with the bottom that is used for sealed heat exchange tube bottom, heat exchange tube top movable mounting has the dwang, dwang one end fixed mounting has the rotation handle, dwang one end is located the heat exchange tube inner chamber, the dwang outside is provided with scrapes the piece, box one side is provided with stirring structure.

Preferably, a first connecting pipe is fixedly arranged on the outer side of the upper part of the heat exchange pipe, a second connecting pipe is fixedly arranged on the outer side of the lower part of the heat exchange pipe, a first air pipe is fixedly arranged at one end of each first connecting pipe, and a second air pipe is fixedly arranged at one end of each second connecting pipe.

Preferably, the bottom cover is in threaded connection with the bottom of the heat exchange tube.

Preferably, the scraping element is specifically a scraping blade, and the scraping blade is in contact with the inner wall of the heat exchange tube.

Preferably, the stirring structure comprises a motor fixedly arranged at one side of the box body, the output end of the motor penetrates through the box body and extends to the inner cavity of the box body, and the output end of the motor is fixedly provided with a stirring paddle.

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

1. this waste gas waste heat recovery device, through opening the bottom, and rotate the rotation and drive the dwang and rotate to drive the inside doctor-bar of heat exchange tube and rotate, the doctor-bar can have the effect of striking off to the impurity of heat exchange tube inner chamber, and the impurity of striking off leaves the heat exchange tube inner chamber from the heat exchange tube lower extreme, prevents that the impurity from too much attaching to the heat exchange tube inner wall, influences the efficiency of heat conduction behind waste gas and the heat exchange tube inner wall contact, thereby guarantees waste heat recovery's efficiency.

2. This waste gas waste heat recovery device, waste gas pass behind the heat exchange tube from second connecting pipe entering second tracheal inside to leave the device along the transportation of second trachea, at waste heat recovery in-process, through the switch of opening the motor, drive the stirring rake and rotate, can stir the water of box inner chamber, make box inner chamber temperature even, prevent that the temperature is high around the heat exchange tube, and heat exchange tube inner chamber other positions temperature is low, leads to heat exchange efficiency low, guarantees device waste heat recovery's efficiency.

Drawings

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

FIG. 2 is a schematic view of the rear side structure of the present utility model;

FIG. 3 is a schematic view of a heat exchange tube according to the present utility model.

In the figure: 1. a case; 2. a heat exchange tube; 3. a first connection pipe; 4. a second connection pipe; 5. a first air tube; 6. a second air pipe; 7. a bottom cover; 8. a rotating lever; 9. a rotating handle; 10. a wiper blade; 11. a motor; 12. stirring paddles.

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.

Example 1

Referring to fig. 1-3, the utility model provides an exhaust gas waste heat recovery device, which comprises a box body 1, wherein a plurality of heat exchange tubes 2 are installed in the box body 1 in a penetrating manner, a bottom cover 7 for sealing the bottoms of the heat exchange tubes 2 is arranged at the bottoms of the heat exchange tubes 2, a rotating rod 8 is movably installed at the top of the heat exchange tubes 2, a rotating handle 9 is fixedly installed at one end of the rotating rod 8, one end of the rotating rod 8 is located in an inner cavity of the heat exchange tubes 2, scraping pieces are arranged at the outer sides of the rotating rod 8, and a stirring structure is arranged at one side of the box body 1.

Specifically, the rotating handle 9 drives the rotating rod 8 to rotate, so that the scraping part scrapes the impurities on the inner wall of the heat exchange tube 2, and the impurities are discharged out of the heat exchange tube 2 by opening the bottom cover 7, so that the impurities on the inner wall of the heat exchange tube 2 are prevented from affecting the heat conduction efficiency of the heat exchange tube 2, and the waste heat recovery efficiency is further affected.

Wherein: the outside fixed mounting in heat exchange tube 2 upper portion has first connecting pipe 3, and heat exchange tube 2 lower part outside fixed mounting has second connecting pipe 4, and a plurality of first connecting pipe 3 one end fixed mounting has first trachea 5, and a plurality of second connecting pipe 4 one end fixed mounting has second trachea 6, lets in first trachea 5 with waste gas, and waste gas gets into heat exchange tube 2 from first connecting pipe 3, and waste gas gets into the inside of second trachea 6 from second connecting pipe 4 after passing heat exchange tube 2 to carry out the device along second trachea 6.

Wherein: the bottom cover 7 is in threaded connection with the bottom of the heat exchange tube 2, the bottom cover 7 has the effect of sealing the bottom of the heat exchange tube 2, and when the inside of the heat exchange tube 2 needs to be cleaned, the bottom cover 7 is opened, so that impurities in the inner cavity of the heat exchange tube 2 can be taken out conveniently.

Wherein: the scraping piece is specifically a scraping piece 10, the scraping piece 10 is in contact with the inner wall of the heat exchange tube 2, the rotating handle 9 is rotated to drive the rotating rod 8 to rotate, and accordingly the scraping piece 10 inside the heat exchange tube 2 is driven to rotate, and the scraping piece 10 can scrape impurities in the inner cavity of the heat exchange tube 2.

Wherein: the stirring structure comprises a motor 11 fixedly installed on one side of the box body 1, the output end of the motor 11 penetrates through the box body 1 and extends to the inner cavity of the box body 1, a stirring paddle 12 is fixedly installed at the output end of the motor 11, the stirring paddle 12 is driven to rotate by opening a switch of the motor 11, water in the inner cavity of the box body 1 can be stirred, the temperature of the inner cavity of the box body 1 is uniform, and waste heat recovery efficiency is guaranteed.

Working principle: the utility model relates to an exhaust gas waste heat recovery device, which is characterized in that when in use, exhaust gas is introduced into a first air pipe 5, the exhaust gas enters a heat exchange pipe 2 from a first connecting pipe 3, cold water is filled in a box body 1, and when the exhaust gas passes through the heat exchange pipe 2, heat in the exhaust gas heats water in the box body 1 through the heat exchange pipe 2, so that the waste heat recovery effect is achieved;

waste gas passes through the heat exchange tube 2, enters the second air tube 6 from the second connecting tube 4, and is conveyed away from the device along the second air tube 6, and in the waste heat recovery process, the stirring paddle 12 is driven to rotate by turning on the switch of the motor 11, so that the water in the inner cavity of the box body 1 can be stirred, the temperature in the inner cavity of the box body 1 is uniform, the water temperature around the heat exchange tube 2 is prevented from being high, the water temperature in other positions in the inner cavity of the heat exchange tube 2 is low, and the heat exchange efficiency is low;

through opening bottom 7, rotate and rotate 9 and drive dwang 8 rotation to drive the inside doctor-bar 10 of heat exchange tube 2 and rotate, doctor-bar 10 can have the effect of scraping off to the impurity of heat exchange tube 2 inner chamber, and the impurity of scraping off leaves heat exchange tube 2 inner chamber from heat exchange tube 2 lower extreme, prevents that the impurity from too much attaching to the heat exchange tube 2 inner wall.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. Waste gas waste heat recovery device, including box (1), its characterized in that: the novel heat exchange device comprises a box body (1), a plurality of heat exchange tubes (2) are installed inside the box body in a penetrating mode, a bottom cover (7) used for sealing the bottoms of the heat exchange tubes (2) is arranged at the bottoms of the heat exchange tubes (2), a rotating rod (8) is movably installed at the top of the heat exchange tubes (2), a rotating handle (9) is fixedly installed at one end of the rotating rod (8), one end of the rotating rod (8) is located an inner cavity of the heat exchange tubes (2), scraping pieces are arranged outside the rotating rod (8), and a stirring structure is arranged on one side of the box body (1).

2. An exhaust gas waste heat recovery apparatus as defined in claim 1, wherein: the heat exchange tube is characterized in that a first connecting tube (3) is fixedly arranged on the outer side of the upper portion of the heat exchange tube (2), a second connecting tube (4) is fixedly arranged on the outer side of the lower portion of the heat exchange tube (2), a plurality of first air pipes (5) are fixedly arranged at one ends of the first connecting tubes (3), and a plurality of second air pipes (6) are fixedly arranged at one ends of the second connecting tubes (4).

3. An exhaust gas waste heat recovery apparatus as defined in claim 1, wherein: the bottom cover (7) is connected to the bottom of the heat exchange tube (2) in a threaded manner.

4. An exhaust gas waste heat recovery apparatus as defined in claim 1, wherein: the scraping piece is specifically a scraping piece (10), and the scraping piece (10) is in contact with the inner wall of the heat exchange tube (2).

5. An exhaust gas waste heat recovery apparatus as defined in claim 1, wherein: the stirring structure comprises a motor (11) fixedly arranged on one side of the box body (1), the output end of the motor (11) penetrates through the box body (1) and extends to the inner cavity of the box body (1), and a stirring paddle (12) is fixedly arranged at the output end of the motor (11).