CN209820216U - Flue gas waste heat recovery device of mill - Google Patents

Abstract

The utility model discloses a flue gas waste heat recovery device of mill, including retrieving the box, the lower fixed surface who retrieves the box installs into the mouth reducing of cigarette, the inside fixed embedding of retrieving the box installs the heating pipe, one side fixed mounting who retrieves the box has the access door, the fixed surface of access door installs the delivery port, the surface of access door is close to lower fixed surface and installs the water inlet, retrieve inside one side fixed surface of box and install the plate No. one, the inboard fixed surface of access door installs the plate No. two. A flue gas waste heat recovery device of mill, can be so that overhaul the required time when dismantling that has significantly reduced when dismantling to the installation is also very convenient, can also increase the flue gas that gets into and at the time of retrieving the inside stop of box, thereby can improve the efficiency of all the other heat recovery heats, make the heating effect better.

Description

Flue gas waste heat recovery device of mill

Technical Field

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

Background

The waste heat recovery device is a device for recovering high-temperature waste heat discharged by a factory, comprises a recovery box body, a supporting cushion block and the like, is fixedly arranged at a flue gas discharge pipe orifice of the factory, has a good recovery effect, is low in production cost, and is widely applied to various recovery fields; however, when the waste heat recovery device used at the present stage is used, the remaining hot flue gas stays in the device for too short time, so that the recovery efficiency is poor, the maintenance, the disassembly and the installation are troublesome, and bolts need to be dropped through tools.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a flue gas waste heat recovery device of mill can effectively solve among the background art recovery efficiency poor and dismantle the installation and maintain troublesome problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a flue gas waste heat recovery device of mill, includes the recovery box, the lower fixed surface who retrieves the box installs into the mouth reducing of cigarette, the inside fixed embedding that retrieves the box installs heating pipe, one side fixed mounting who retrieves the box has the access door, the fixed surface of access door installs the delivery port, the surface of access door is close to lower fixed surface and installs the water inlet, retrieve inside one side fixed surface of box and install the plate No. one, the inboard fixed surface of access door installs the plate No. two, the last fixed surface who retrieves the box installs the mouth reducing of cigarette.

Preferably, fixed mounting has the handle that draws in the middle part of the surface of access door, the inboard surface of access door is close to edge fixed mounting and has seal gasket, spacing recess has been seted up on the surface of access door, the inside movable mounting of spacing recess has a bolt, the inside of spacing recess is located the symmetric position movable mounting of a bolt and has No. two bolts, a bolt with the equal fixed mounting in surface of No. two bolts has the removal handle, return spring is installed to the one end fixed connection of a bolt.

Preferably, return spring's middle part is through the inside fixed connection of welding rod with spacing recess, return spring's the other end and No. two bolt fixed connection, the access door is through a bolt and retrieve box fixed connection, the access door is sealed with retrieving the box through sealing gasket.

Preferably, the number one plate and the number two plate are two respectively, and the number one plate and the number two plate are staggered in sequence.

Preferably, a contact plate is fixedly mounted on one side, located on a sealing gasket, of the inner surface of the recovery box body, a supporting cushion block is fixedly mounted on the lower surface of the inner portion of the recovery box body, the sealing gasket is sealed with the recovery box body through the contact plate, and a bolt opening is formed in the surface, close to the access door, of the recovery box body.

Preferably, the outer surface fixed mounting of heating pipe has a connection piece, the access door is through connecting piece and heating pipe fixed connection, the one end of heating pipe is through passing access door and water inlet fixed connection, the other end of heating pipe is through passing access door and delivery port fixed connection, advance the mouth reducing with fixed screw has all been seted up to the surperficial four corners position of outlet flue reducing.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the access door that sets up, the access door can be so that when overhauing the dismantlement required time that has significantly reduced to the convenience that the installation is also very, through a plate and No. two plates that set up, a plate and No. two plate staggered arrangement's setting, the flue gas that it can increase the entering is in the inside time that stops of recovery box, thereby can improve the efficiency of all the other heat recovery heats, makes the heating effect better.

Drawings

Fig. 1 is a schematic view of the overall structure of a plant flue gas waste heat recovery device of the present invention;

FIG. 2 is a cross-sectional view of a recycling box of the flue gas waste heat recycling device of a factory according to the present invention;

FIG. 3 is an enlarged view of the site A in FIG. 1 of the flue gas waste heat recovery device of a plant of the present invention;

fig. 4 is a partial sectional view of the flue gas waste heat recovery device of the utility model.

In the figure: 1. a recovery box body; 101. supporting the cushion block; 102. a contact plate; 103. a bolt port; 2. the smoke inlet is variable in diameter; 3. heating the conduit; 301. a joining block; 4. a water inlet; 5. a water outlet; 6. an access door; 601. pulling a handle; 602. sealing gaskets; 603. a limiting groove; 604. a first bolt; 605. moving the handle; 606. a second bolt; 607. a return spring; 7. a first plate; 8. the smoke outlet is variable in diameter; 801. fixing screw holes; 9. and a second plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a plant flue gas waste heat recovery device comprises a recovery box body 1, wherein a flue gas inlet reducing diameter 2 is fixedly installed on the lower surface of the recovery box body 1, a heating pipe 3 is fixedly embedded in the recovery box body 1, an access door 6 is fixedly installed on one side of the recovery box body 1, a water outlet 5 is fixedly installed on the surface of the access door 6, a water inlet 4 is fixedly installed on the surface of the access door 6 close to the lower surface, a first plate 7 is fixedly installed on the surface of one side of the interior of the recovery box body 1, a second plate 9 is fixedly installed on the surface of the inner side of the access door 6, and a flue gas outlet reducing diameter 8 is fixedly installed on the upper surface of the recovery box body 1;

a pull handle 601 is fixedly installed in the middle of the outer surface of the access door 6, a sealing gasket 602 is fixedly installed on the inner side surface of the access door 6 close to the edge, a limiting groove 603 is formed in the surface of the access door 6, a first bolt 604 is movably installed in the limiting groove 603, a second bolt 606 is movably installed in the limiting groove 603 at a position symmetrical to the first bolt 604, moving handles 605 are fixedly installed on the surfaces of the first bolt 604 and the second bolt 606, and a return spring 607 is fixedly connected to one end of the first bolt 604; the middle part of a return spring 607 is fixedly connected with the inside of the limiting groove 603 through a welding rod, the other end of the return spring 607 is fixedly connected with a second bolt 606, the access door 6 is fixedly connected with the recovery box body 1 through a first bolt 604, and the access door 6 is sealed with the recovery box body 1 through a sealing gasket 602; the number of the first plate 7 and the number of the second plate 9 are two, and the first plate 7 and the second plate 9 are sequentially staggered; a contact plate 102 is fixedly installed on one side, located on a sealing gasket 602, of the inner surface of the recovery box body 1, a supporting cushion block 101 is fixedly installed on the inner lower surface of the recovery box body 1, the sealing gasket 602 is sealed with the recovery box body 1 through the contact plate 102, and a bolt opening 103 is formed in the surface, close to the access door 6, of the recovery box body 1; heating pipe 3's surface fixed mounting has a joint piece 301, access door 6 is through joining piece 301 and heating pipe 3 fixed connection, access door 6 and water inlet 4 fixed connection are passed through to heating pipe 3's one end, heating pipe 3's the other end is through passing access door 6 and 5 fixed connection of delivery port, advance the mouth reducing 2 with fixed screw 801 has all been seted up to the surperficial four corners position of outlet flue reducing 8.

It should be noted that, the utility model relates to a flue gas waste heat recovery device of factory, when using, the hand first needs to butt joint the recovery box body 1 with the flue gas exhaust pipe mouth of pipe of factory through the smoke inlet reducing diameter 2, and can use the pipe connection to discharge the surplus flue gas designated position on the smoke outlet reducing diameter 8 according to the demand, in operation, cold water will enter into the heating conduit 3 from the water inlet 4, at this moment the flue gas enters into the recovery box body 1 and drifts to the left side from the lower surface of the first second plate 9, then drifts to the right side from the lower surface of the first plate 7 and floats in a sequential mode, until the surplus flue gas is discharged from the smoke outlet reducing diameter 8, in this process, the water inside the heating conduit 3 will heat up, finally discharge from the water outlet 5 and utilize, thereby the recovery of flue gas waste heat of factory is accomplished, wherein the setting of the first plate 7 and the second plate 9, it can increase the stay time of the entering flue gas in the recovery box body 1, therefore, the efficiency of the rest heat recovery heating can be improved, and the heating effect is better. In addition, the upper moving handle 605 and the lower moving handle 605 can be pinched by two hands to extrude the return spring 607, so that the first bolt 604 and the second bolt 606 can be withdrawn from the bolt opening 103, finally, the pulling handle 601 can be pulled to pull out the internal heating conduit 3 for maintenance, and the upper moving handle 605 and the lower moving handle 605 can be pinched by two hands to install the access door 6, so that the time required for disassembly can be greatly reduced during overhauling and disassembly, and the installation is also very convenient.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a flue gas waste heat recovery device of mill which characterized in that: including retrieving box (1), the lower fixed surface who retrieves box (1) installs into mouth reducing (2), the inside fixed embedding of retrieving box (1) installs heating pipe (3), one side fixed mounting who retrieves box (1) has access door (6), the fixed surface of access door (6) installs delivery port (5), the surface of access door (6) is close to lower fixed surface and installs water inlet (4), retrieve inside one side fixed surface of box (1) and install one number plate (7), the inboard fixed surface of access door (6) installs No. two plates (9), the last fixed surface who retrieves box (1) installs mouth reducing (8).

2. The plant flue gas waste heat recovery device of claim 1, characterized in that: outer surface middle part fixed mounting of access door (6) has pull handle (601), the inboard surface of access door (6) is close to edge fixed mounting has seal gasket (602), spacing recess (603) have been seted up on the surface of access door (6), the inside movable mounting of spacing recess (603) has bolt (604), the inside symmetrical position movable mounting that is located bolt (604) of spacing recess (603) has bolt (606) No. two, bolt (604) with the equal fixed mounting in surface of bolt (606) has removal handle (605), return spring (607) are installed to the one end fixed connection of bolt (604).

3. The plant flue gas waste heat recovery device according to claim 2, characterized in that: the inside fixed connection of welding rod and spacing recess (603) is passed through at the middle part of return spring (607), the other end and No. two bolt (606) fixed connection of return spring (607), access door (6) are through a bolt (604) and retrieve box (1) fixed connection, access door (6) are sealed with retrieving box (1) through seal gasket (602).

4. The plant flue gas waste heat recovery device of claim 1, characterized in that: the number of the first plate (7) and the number of the second plate (9) are two, and the first plate (7) and the second plate (9) are sequentially arranged in a staggered mode.

5. The plant flue gas waste heat recovery device according to any one of claims 1 to 4, characterized in that: the utility model discloses a recovery box, including retrieve box (1), contact plate (102) are located one side fixed mounting of seal gasket (602) to the inside surface of retrieving box (1), retrieve the inside lower surface fixed mounting of box (1) and have lip block (101), seal gasket (602) are sealed with retrieving box (1) through contact plate (102), retrieve the surface that box (1) is close to access door (6) and seted up bolt mouth (103).

6. The plant flue gas waste heat recovery device according to any one of claims 1 to 4, characterized in that: the outer fixed surface of heating pipe (3) installs and links up piece (301), access door (6) are through linking up piece (301) and heating pipe (3) fixed connection, the one end of heating pipe (3) is through passing access door (6) and water inlet (4) fixed connection, the other end of heating pipe (3) is through passing access door (6) and delivery port (5) fixed connection, advance mouth reducing (2) with fixed screw (801) have all been seted up to the surperficial four corners position of outlet flue reducing (8).