CN216281445U

CN216281445U - Heat recovery device based on RTO furnace

Info

Publication number: CN216281445U
Application number: CN202122535752.6U
Authority: CN
Inventors: 钟华敏
Original assignee: Guangzhou Nengzhiyuan Environmental Protection Technology Co ltd
Current assignee: Guangzhou Nengzhiyuan Environmental Protection Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-12
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a heat recovery device based on an RTO furnace, which relates to the technical field of waste gas heat recovery and comprises a recovery box body and a heat exchanger main body, wherein hot gas pipes are respectively arranged on two sides, far away from each other, of the recovery box body, a servo motor is arranged at the top of the recovery box body, the bottom end of the output end of the servo motor extends into the recovery box body and is in driving connection with a control lead screw, a vertical moving block is sleeved on the control lead screw in a threaded manner, an annular cleaning brush is slidably sleeved on the heat exchanger main body, and a T-shaped rotating ring is arranged on the outer peripheral side of the annular cleaning brush. The automatic cleaning device is reasonable in structure, when the servo motor is started, the annular cleaning brush can be driven to move up and down and rotate, the purpose of automatically cleaning the surface of the heat exchanger main body is achieved, the cleaning effect is good, the cleaning is uniform, the situation that dirt such as dust is attached to the surface of the heat exchanger main body and heat transfer is not facilitated is effectively reduced, the heat recovery efficiency of the device is improved, and the service life of the device is prolonged.

Description

Heat recovery device based on RTO furnace

Technical Field

The utility model relates to the technical field of waste gas heat recovery, in particular to a heat recovery device based on an RTO furnace.

Background

The waste gas purification mainly refers to the treatment work of industrial waste gas such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas generated in industrial places; the RTO furnace is mainly used for burning waste gas, the waste gas generated in the production process is intensively burned to reach the emission standard, in the process of burning the waste gas, the gas after burning contains a large amount of heat energy, and the heat exchanger can be utilized for heat recovery and utilization so as to save energy.

Most of current heat recovery unit based on RTO stove when retrieving the heat through the heat exchanger, dirt such as dust that mix with in the hot-blast can be attached to the heat exchanger surface, if not clear up it, can be unfavorable for the heat exchanger and hot-blast heat transfer that carries on for a long time, influences the heat recovery efficiency of device to and can reduce device's life, for this reason, this application discloses heat recovery unit based on the RTO stove satisfies people's demand.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide heat reclamation device based on RTO stove to propose in solving above-mentioned background art carrying out heat reclamation's in-process, dirt such as the dust that mix with in the hot-blast can be attached to the heat exchanger surface, if not clear up it, can be unfavorable for heat exchanger and hot-blast heat transfer for a long time, influences the heat reclamation efficiency of device, and can reduce the life problem of device.

In order to achieve the above purpose, the present application provides the following technical solutions: heat recovery unit based on RTO stove, including collection box body and heat exchanger main part, the steam pipe is all installed to the both sides that the collection box body was kept away from each other, servo motor is installed at the top of collection box body, servo motor's output bottom extends to this internal and drive connection of collection box has the control lead screw, the vertical shifting piece has been cup jointed to the screw thread on the control lead screw, the slip cap is equipped with annular cleaning brush in the heat exchanger main part, T shape change is installed to the periphery side of annular cleaning brush, T shape rotary tank has been seted up to the tip of vertical shifting piece, T shape change rotates to be installed in the T shape rotary tank, this internal installation of collection box is used for the drive annular cleaning brush pivoted even clean subassembly.

Borrow by above-mentioned structure, when starting servo motor, can drive annular cleaning brush and reciprocate through control lead screw, vertical piece, T shape rotary trough and T shape change to realized can carrying out the self-cleaning purpose of handling to the surface of heat exchanger main part, effectively reduced because of dirt such as dust adheres to the condition that is unfavorable for the heat transfer on heat exchanger main part surface, improved the heat recovery efficiency and the life of device.

Preferably, the inner walls of the top and the bottom of the recycling box body are jointly provided with a limiting rod, and the vertical moving block is sleeved on the limiting rod in a sliding manner.

Furthermore, through the arrangement of the limiting rod, the vertical moving block can only move up and down, the limiting and guiding effect is achieved, and the stability of the cleaning process is improved.

Preferably, the uniform cleaning assembly comprises a fixed gear ring sleeved on the outer periphery side of the annular cleaning brush, a driving gear is meshed on the fixed gear ring, and a driving unit is mounted on the driving gear.

Preferably, the drive unit is installed including rotating hexagonal bull stick on the inner wall of collection box body bottom, the slip has cup jointed vertical sliding sleeve on the hexagonal bull stick, drive gear cup joints and installs on the vertical sliding sleeve, the control lead screw pass through the transmission unit with the hexagonal bull stick is connected, install the unit of injecing on the vertical sliding sleeve.

Preferably, the transmission unit is including cup jointing respectively install the control lead screw with two synchronizing gear on the hexagonal bull stick, two the common meshing is installed between the synchronizing gear and is linked the gear, linked the gear rotates through the pivot and installs on the bottom inner wall of collection box body.

Preferably, the limiting unit comprises a connecting bearing sleeved on the vertical sliding sleeve, a connecting cross rod is installed on the outer peripheral side of the connecting bearing, and the end of the connecting cross rod is installed on the side of the vertical moving block.

Through the setting of even clean subassembly, can be at the in-process that the annular cleaning brush reciprocated for the annular cleaning brush rotates in step, has realized can carrying out even cleaning's purpose to heat exchanger main part surface, has improved the clean effect of annular cleaning brush.

Preferably, exchange tubes are installed at the top and the bottom of the heat exchanger main body, and the end parts of the two exchange tubes extend out of the recovery tank main body.

In conclusion, the technical effects and advantages of the utility model are as follows:

1. the automatic cleaning device is reasonable in structure, when the servo motor is started, the control screw rod can be driven to rotate, the vertical moving block can move up and down under the action of the limiting rod, and the annular cleaning brush can be driven to move up and down, so that the purpose of automatically cleaning the surface of the heat exchanger main body is achieved, the condition that dust and other dirt are attached to the surface of the heat exchanger main body and heat transfer is not facilitated is effectively reduced, and the heat recovery efficiency and the service life of the device are improved;

2. according to the utility model, when the screw rod is controlled to rotate, the hexagonal rotating rod is driven to rotate by the synchronous gear and the linkage gear, the driving gear is driven to rotate by the rotation of the hexagonal rotating rod through the vertical sliding sleeve, and the annular cleaning brush can be driven to rotate while moving up and down by the fixed gear ring, so that the purpose of uniformly cleaning the surface of the heat exchanger main body is realized, and the cleaning effect of the annular cleaning brush is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic view of a partially cut-away structure of an embodiment of the present application;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a partially enlarged schematic view of fig. 2.

In the figure: 1. a recycling bin body; 2. a heat exchanger main body; 3. a hot gas pipe; 4. a servo motor; 5. controlling the screw rod; 6. vertically moving the block; 7. an annular cleaning brush; 8. t-shaped swivel; 9. a restraining bar; 10. a fixed gear ring; 11. a drive gear; 12. a hexagonal rotating rod; 13. a vertical sliding sleeve; 14. a synchronizing gear; 15. a linkage gear; 16. connecting a bearing; 17. connecting the cross bars; 18. and exchanging the tubes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-4, the heat recovery device based on the RTO furnace comprises a recovery box body 1 and a heat exchanger main body 2, wherein hot air pipes 3 are mounted on two sides of the recovery box body 1, which are far away from each other, and the hot air pipes 3 can be fixed with the side part of the recovery box body 1 in a welding manner; the top of the recovery box body 1 is provided with a servo motor 4, the servo motor 4 can be any motor capable of rotating forward and backward in the prior art, such as a motor with the model of 80st-m02430, and the servo motor is fixed with the top of the recovery box body 1 in a threaded manner; the bottom end of the output end of the servo motor 4 extends into the recovery box body 1 and is connected with a control screw rod 5 in a driving mode, and the length direction of the control screw rod 5 is consistent with that of the heat exchanger main body 2; the control screw rod 5 is sleeved with a vertical moving block 6 in a threaded manner, the inner walls of the top and the bottom of the recycling bin body 1 are jointly provided with a limiting rod 9, and the vertical moving block 6 is sleeved on the limiting rod 9 in a sliding manner, so that the vertical moving block 6 only can move up and down, a limiting and guiding effect is achieved, and the stability of the cleaning process is improved; an annular cleaning brush 7 is slidably sleeved on the heat exchanger main body 2, and the inner side part of the annular cleaning brush 7 is attached to the outer surface of the heat exchanger main body 2; t-shaped rotary rings 8 are installed on the outer peripheral sides of the annular cleaning brushes 7, T-shaped rotary grooves are formed in the end portions of the vertical moving blocks 6, and the T-shaped rotary rings 8 are rotatably installed in the T-shaped rotary grooves.

By means of the structure, when the servo motor 4 is started, the annular cleaning brush 7 can be driven to move up and down through the control screw rod 5, the vertical moving block 6, the T-shaped rotating groove and the T-shaped rotating ring 8, so that the purpose of automatically cleaning the surface of the heat exchanger main body 2 is achieved, the situation that heat transfer is not facilitated due to the fact that dirt such as dust is attached to the surface of the heat exchanger main body 2 is effectively reduced, and the heat recovery efficiency and the service life of the device are improved.

As a preferred embodiment of the present embodiment, a uniform cleaning assembly for driving the annular cleaning brush 7 to rotate is installed in the recycling bin body 1, the uniform cleaning assembly includes a fixed gear ring 10 sleeved on the outer periphery of the annular cleaning brush 7, a driving gear 11 is installed on the fixed gear ring 10 in a meshing manner, a driving unit is installed on the driving gear 11, the driving unit includes a hexagonal rotating rod 12 rotatably installed on the inner wall of the bottom of the recycling bin body 1, and the hexagonal rotating rod 12 can be rotatably connected with the inner wall of the bottom of the recycling bin body 1 through a rotating bearing; a vertical sliding sleeve 13 is sleeved on the hexagonal rotating rod 12 in a sliding manner, the vertical sliding sleeve 13 can slide up and down on the hexagonal rotating rod 12, and meanwhile, the hexagonal rotating rod 12 can synchronously drive the vertical sliding sleeve 13 to rotate when rotating; the driving gear 11 is sleeved on the vertical sliding sleeve 13, the control screw 5 is connected with the hexagonal rotating rod 12 through the transmission unit, the transmission unit comprises two synchronous gears 14 respectively sleeved on the control screw 5 and the hexagonal rotating rod 12, a linkage gear 15 is jointly meshed between the two synchronous gears 14, and the linkage gear 15 is rotatably installed on the inner wall of the bottom of the recycling bin body 1 through a rotating shaft. The benefit that sets up like this is, when control lead screw 5 rotates, can drive hexagonal bull stick 12 and vertical sliding sleeve 13 through synchronizing gear 14 and linked gear 15 and rotate, and vertical sliding sleeve 13 rotates and drives drive gear 11 and rotate, and then accessible fixed ring gear 10 drives annular cleaning brush 7 and rotates when reciprocating, has realized carrying out even cleaning's purpose to 2 surfaces of heat exchanger main part, has improved the clean effect of annular cleaning brush 7.

In the embodiment, the vertical sliding sleeve 13 is provided with a limiting unit, the limiting unit comprises a connecting bearing 16 sleeved on the vertical sliding sleeve 13, and the connecting bearing 16 can be fixed with the vertical sliding sleeve 13 in a threaded manner; the outer periphery side of the connecting bearing 16 is provided with a connecting cross rod 17, the end part of the connecting cross rod 17 is arranged on the side part of the vertical moving block 6, and the connecting cross rod 17 can be fixed with the connecting bearing 16 and the side part of the vertical moving block 6 in a welding mode. The advantage that sets up like this can make and to reciprocate in step between vertical sliding sleeve 13 and the vertical piece 6 that moves, has guaranteed to keep the meshing state always between fixed ring gear 10 and the drive gear 11, and stability is good.

As a preferred embodiment of the present embodiment, the top and the bottom of the heat exchanger main body 2 are both mounted with the exchange tubes 18, and the end portions of both the exchange tubes 18 extend to the outside of the recovery tank body 1.

This practical theory of operation:

when starting servo motor 4, can drive control lead screw 5 and rotate, under the effect of injecing pole 9, vertical piece 6 that moves can reciprocate, and then can drive annular cleaning brush 7 and reciprocate to realized can carrying out self-cleaning to the surface of heat exchanger main part 2 and handled the purpose, effectively reduced because of dirt such as dust adheres to the condition that is unfavorable for the heat transfer in heat exchanger main part 2 surface, improved the heat recovery efficiency and the life of device.

When control lead screw 5 rotates, can drive hexagonal bull stick 12 through synchronizing gear 14 and linked gear 15 and rotate, hexagonal bull stick 12 rotates and drives drive gear 11 through vertical sliding sleeve 13 and rotates, and then accessible fixed ring gear 10 drives annular cleaning brush 7 and rotates when reciprocating, has realized carrying out even cleaning's purpose to the 2 surfaces of heat exchanger main part, has improved the clean effect of annular cleaning brush 7.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Heat recovery unit based on RTO stove, including collection box body (1) and heat exchanger main part (2), its characterized in that: the hot air pipe (3) are all installed to the both sides of keeping away from each other in collection box body (1), servo motor (4) are installed at the top of collection box body (1), the output bottom of servo motor (4) extends to in collection box body (1) and drive connection have control lead screw (5), vertical shifting block (6) have been cup jointed to control lead screw (5) upper thread, the slip cap is equipped with annular cleaning brush (7) on heat exchanger main part (2), T shape change (8) are installed to the periphery side of annular cleaning brush (7), T shape rotary trough has been seted up to the tip of vertical shifting block (6), T shape change (8) rotate to be installed in the T shape rotary trough, install in collection box body (1) and be used for the drive annular cleaning brush (7) pivoted even clean subassembly.

2. The RTO furnace-based heat recovery apparatus of claim 1, wherein: the top and the bottom inner walls of the recycling box body (1) are jointly provided with a limiting rod (9), and the vertical moving block (6) is slidably sleeved on the limiting rod (9).

3. The RTO furnace-based heat recovery apparatus of claim 1, wherein: the uniform cleaning assembly comprises a fixed gear ring (10) which is sleeved and installed on the outer peripheral side of the annular cleaning brush (7), a driving gear (11) is installed on the fixed gear ring (10) in a meshed mode, and a driving unit is installed on the driving gear (11).

4. The RTO furnace-based heat recovery apparatus of claim 3, wherein: the drive unit is installed including rotating hexagonal bull stick (12) on collection box body (1) bottom inner wall, vertical sliding sleeve (13) have been cup jointed in the slip on hexagonal bull stick (12), drive gear (11) are cup jointed and are installed on vertical sliding sleeve (13), control lead screw (5) through the transmission unit with hexagonal bull stick (12) are connected, install the unit of injecing on vertical sliding sleeve (13).

5. The RTO furnace-based heat recovery apparatus of claim 4, wherein: the transmission unit is including cup jointing respectively install control lead screw (5) with two synchronizing gear (14) on hexagonal bull stick (12), two common meshing installs linkage gear (15) between synchronizing gear (14), linkage gear (15) are installed through the pivot rotation on the bottom inner wall of collection box body (1).

6. The RTO furnace-based heat recovery apparatus of claim 4, wherein: the limiting unit comprises a connecting bearing (16) sleeved on the vertical sliding sleeve (13), a connecting cross rod (17) is installed on the outer peripheral side of the connecting bearing (16), and the end of the connecting cross rod (17) is installed on the side portion of the vertical moving block (6).

7. The RTO furnace-based heat recovery apparatus of claim 1, wherein: exchange tubes (18) are installed at the top and the bottom of the heat exchanger main body (2), and the end parts of the exchange tubes (18) extend out of the recovery box body (1).