CN214619467U - Waste heat boiler for chemical industry - Google Patents

Abstract

The utility model discloses a chemical waste heat boiler, which comprises a boiler body, wherein sealing covers are fixedly connected on both sides of the boiler body, the inner wall of the boiler body is fixedly connected with symmetrically distributed transverse pipes, a connecting pipe is arranged in one group of sealing covers, the inner wall of the boiler body is rotationally connected with a screw rod, a scraper blade is slidably connected on the inner wall of the boiler body, the scraper blade scrapes scales formed on the outer wall of the transverse pipes, simultaneously the scraper blade drives a movable block and a gear to move when moving, the gear rotates when moving due to the meshing with a rack in the gear moving process, the gear rotates to drive a connecting shaft to rotate, the connecting shaft rotates to drive a second bevel gear to rotate, the second bevel gear rotates to drive a first bevel gear to rotate and further drive a rotating shaft to rotate, thereby a stirring blade rotates, partial water flows through a water through hole on the scraper blade in the scraper moving process, and the stirring blade rotates to stir the flowing water, the heating efficiency is improved, and the heat exchange efficiency of waste gas waste heat is improved.

Description

Waste heat boiler for chemical industry

Technical Field

The utility model relates to a waste heat boiler field especially relates to a waste heat boiler for chemical industry.

Background

The waste heat boiler is a boiler for generating steam by using waste heat in an industrial production process. It belongs to a high-temperature and high-pressure heat exchanger. Waste heat boilers have earlier been used to produce some low pressure steam with limited heat recovery, only as a general auxiliary means of production. With the development of production technology, the parameters of the waste heat boiler are gradually improved, and the waste heat boiler is changed from a process boiler for producing low-pressure steam into a power boiler for producing high-pressure steam. New achievements in waste heat research are continuously emerging from the research in the fields of waste heat boiler design, manufacture, use, safety management and the like.

This application improves under prior art, and among the prior art, current waste heat boiler has the waste gas of waste heat when using to the heating efficiency of water lower, and waste gas pipe outer wall produces the incrustation scale easily when using for a long time simultaneously, influences the waste heat transfer of waste gas, and heat exchange efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a chemical waste heat boiler.

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

the utility model provides a waste heat boiler for chemical industry, includes the boiler body, the sealed lid of the equal fixedly connected with in both sides of boiler body, boiler body inner wall fixedly connected with symmetric distribution violently manage, wherein a set of be equipped with the connecting pipe in the sealed lid, and the both sides of connecting pipe respectively with two sets of horizontal pipe fixed connection, boiler body inner wall rotates and is connected with the screw rod, boiler body inner wall sliding connection have with screw rod threaded connection's scraper blade, and scraper blade and violently manage sliding connection, one side rotation that the scraper blade is close to the connecting pipe is connected with symmetric distribution's pivot, the stirring vane that one side outer wall welding that the pivot is close to the connecting pipe has multiunit equidistance to distribute.

As a further description of the above technical solution: the boiler comprises a boiler body and is characterized in that a water injection pipe and a steam collection pipe are fixedly connected to the top of the boiler body, the water injection pipe is communicated with the inside of the boiler body, and the steam collection pipe is communicated with the inside of the water injection pipe.

As a further description of the above technical solution: the utility model discloses a boiler body, including boiler body, spout, scraper blade, the spout of symmetric distribution is all seted up to the both sides inner wall of boiler body, spout inner wall sliding connection has the movable block, and movable block and scraper blade fixed connection.

As a further description of the above technical solution: the scraper blade internal rotation is connected with the connecting axle, and connecting axle and movable block sliding connection, the connecting axle stretches into the one end outer wall fixedly connected with gear of spout, and is two sets of one side that the gear is close to each other all meshes the rack with spout inner wall fixed connection.

As a further description of the above technical solution: the fixed cover of the one end outer wall that the pivot stretched into the scraper blade has connect first bevel gear, the fixed cover of scraper blade outer wall has connect the second bevel gear of symmetric distribution, and second bevel gear and first bevel gear meshing.

As a further description of the above technical solution: the scraper blade is provided with a plurality of groups of water through holes distributed at equal intervals, and the number of the water through holes is four in each group and is a plurality of the water through holes distributed around the rotating shaft.

As a further description of the above technical solution: violently manage the one end fixedly connected with conveyer pipe of keeping away from the connecting pipe, and conveyer pipe and sealed lid fixed connection, it is two sets of be equipped with between the conveyer pipe with sealed lid inner wall fixed mounting's motor, and motor output shaft and screw rod fixed connection.

The utility model discloses following beneficial effect has:

1. the utility model discloses in during the use, through the water injection pipe to this internal water that lets in of boiler, later with the waste gas that has the waste heat let in horizontal intraductal through a set of conveyer pipe that is located the top, waste gas circulates to a set of conveyer pipe discharge that is located the below after violently managing and the connecting pipe, and waste gas heats this internal water of boiler at the circulation in-process and makes water form steam, and steam gathers the pipe through steam and collects and discharge.

2. The utility model discloses well starter motor, motor output shaft rotates and drives the screw rod and rotate and then drive the scraper blade and remove, the incrustation scale that the scraper blade formed to violently managing the outer wall strikes off, drive movable block and gear shifting when the scraper blade removes simultaneously, gear shifting in-process is owing to with rack toothing, make the gear rotate when removing, gear shifting drives the connecting axle and rotates, the connecting axle rotates and drives second bevel gear, second bevel gear rotates and drives first bevel gear and rotate and then drive the pivot and rotate, thereby make stirring vane rotate, at scraper blade shifting in-process, some water flows through the limbers on the scraper blade, make stirring vane rotate and stir the water that flows, heating efficiency is improved, waste gas waste heat's heat exchange efficiency has been improved.

Drawings

Fig. 1 is a schematic structural view of a chemical waste heat boiler provided by the present invention;

fig. 2 is a side view of a chemical waste heat boiler according to the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B of fig. 1 in the present invention.

Illustration of the drawings:

1-boiler body, 2-water injection pipe, 3-steam collection pipe, 4-horizontal pipe, 5-sealing cover, 6-connecting pipe, 7-conveying pipe, 8-screw, 9-scraper, 10-chute, 11-connecting shaft, 12-movable block, 13-rotating shaft, 14-stirring blade and 15-water through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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.

Referring to fig. 1-4, the utility model provides a chemical waste heat boiler, including boiler body 1, both sides of boiler body 1 are all fixedly connected with sealed lid 5, boiler body 1 inner wall is fixedly connected with the violently pipe 4 of symmetric distribution, be equipped with connecting pipe 6 in one set of sealed lid 5, and the both sides of connecting pipe 6 respectively with two sets of violently pipe 4 fixed connection, boiler body 1 inner wall rotates and is connected with screw rod 8, boiler body 1 inner wall sliding connection has the scraper blade 9 with screw rod 8 threaded connection, and scraper blade 9 and violently pipe 4 sliding connection, one side that scraper blade 9 is close to connecting pipe 6 rotates and is connected with the pivot 13 of symmetric distribution, the outer wall welding of one side that pivot 13 is close to connecting pipe 6 has multiunit equidistance distribution's stirring vane 14;

referring to fig. 1, in the present application, a water injection pipe 2 and a steam collection pipe 3 are fixedly connected to the top of a boiler body 1, the water injection pipe 2 is communicated with the inside of the boiler body 1, and the steam collection pipe 3 is communicated with the inside of the water injection pipe 2;

referring to fig. 1 and 2, in the present application, symmetrically distributed chutes 10 are formed in both inner walls of two sides of a boiler body 1, the inner walls of the chutes 10 are slidably connected with movable blocks 12, and the movable blocks 12 are fixedly connected with scrapers 9;

referring to fig. 1-4, in the present application, a connecting shaft 11 is rotatably connected in the scraper 9, the connecting shaft 11 is slidably connected with the movable block 12, a gear is fixedly connected to an outer wall of one end of the connecting shaft 11 extending into the sliding chute 10, and a rack fixedly connected with an inner wall of the sliding chute 10 is engaged with one side of each two groups of gears close to each other;

referring to fig. 4, in the present application, a first bevel gear is fixedly sleeved on an outer wall of one end of the rotating shaft 13, which extends into the scraper 9, a second bevel gear is fixedly sleeved on an outer wall of the scraper 9, which is symmetrically distributed, and the second bevel gear is engaged with the first bevel gear;

referring to fig. 2, in the present application, a plurality of groups of water through holes 15 are equidistantly distributed on the scraper 9, the number of the water through holes 15 is four, and a plurality of the water through holes 15 are distributed around the rotating shaft 13;

referring to fig. 1, in the present application, one end of the horizontal pipe 4 far away from the connecting pipe 6 is fixedly connected with a conveying pipe 7, the conveying pipe 7 is fixedly connected with the sealing cover 5, a motor fixedly mounted on the inner wall of the sealing cover 5 is arranged between the two groups of conveying pipes 7, and an output shaft of the motor is fixedly connected with the screw 8.

The working principle is as follows:

in the application, when the waste heat recovery boiler is used, a water body is introduced into the boiler body 1 through the water injection pipe 2, then waste gas with waste heat is introduced into the transverse pipe 4 through the group of conveying pipes 7 positioned above, the waste gas circulates to the group of conveying pipes 7 positioned below through the transverse pipe 4 and the connecting pipe 6 and is discharged, the waste gas heats water in the boiler body 1 in the circulating process to enable the water to form steam, and the steam is collected through the steam collecting pipe 3 and is discharged;

in the application, in the above-mentioned in-process, the starter motor, motor output shaft rotates and drives screw 8 and rotate and then drive scraper blade 9 and remove, scraper blade 9 strikes off the incrustation scale that violently manages 4 outer walls and form, simultaneously when scraper blade 9 removes, drive movable block 12 and gear shifting, gear shifting in-process owing to with rack toothing, make the gear rotate when removing, gear shifting drives connecting axle 11 and rotates, connecting axle 11 rotates and drives second bevel gear and rotate, second bevel gear rotates and drives first bevel gear and rotate and then drive pivot 13 and rotate, thereby make stirring vane 14 rotate, in scraper blade 9 removal process, some water flows through limbers 15 on scraper blade 9, make stirring vane 14 rotate and stir the water that flows, heating efficiency has been improved, the heat exchange efficiency of waste gas waste heat has been improved.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a waste heat boiler for chemical industry, includes boiler body (1), its characterized in that: the equal fixedly connected with in both sides of boiler body (1) seals lid (5), boiler body (1) inner wall fixedly connected with symmetric distribution violently manage (4), wherein a set of be equipped with connecting pipe (6) in sealed lid (5), and the both sides of connecting pipe (6) respectively with two sets of violently pipe (4) fixed connection, boiler body (1) inner wall rotates and is connected with screw rod (8), boiler body (1) inner wall sliding connection have with screw rod (8) threaded connection's scraper blade (9), and scraper blade (9) and violently pipe (4) sliding connection, one side rotation that scraper blade (9) are close to connecting pipe (6) is connected with pivot (13) of symmetric distribution, the outer wall welding of one side that pivot (13) are close to connecting pipe (6) has stirring vane (14) that the multiunit equidistance distributes.

2. The waste heat boiler for chemical industry according to claim 1, wherein: the boiler is characterized in that a water injection pipe (2) and a steam collection pipe (3) are fixedly connected to the top of the boiler body (1), the water injection pipe (2) is communicated with the inside of the boiler body (1), and the steam collection pipe (3) is communicated with the inside of the water injection pipe (2).

3. The waste heat boiler for chemical industry according to claim 1, wherein: the boiler comprises a boiler body (1), and is characterized in that symmetrically distributed sliding grooves (10) are formed in the inner walls of the two sides of the boiler body (1), a movable block (12) is connected to the inner wall of each sliding groove (10) in a sliding mode, and the movable block (12) is fixedly connected with a scraper (9).

4. The waste heat boiler for chemical industry according to claim 1, wherein: scraper blade (9) internal rotation is connected with connecting axle (11), and connecting axle (11) and movable block (12) sliding connection, connecting axle (11) stretch into the one end outer wall fixedly connected with gear of spout (10), and is two sets of one side that the gear is close to each other all meshes the rack with spout (10) inner wall fixed connection.

5. The waste heat boiler for chemical industry according to claim 1, wherein: the outer wall of one end of the rotating shaft (13) extending into the scraper (9) is fixedly sleeved with a first bevel gear, the outer wall of the scraper (9) is fixedly sleeved with a second bevel gear which is symmetrically distributed, and the second bevel gear is meshed with the first bevel gear.

6. The waste heat boiler for chemical industry according to claim 1, wherein: the scraper blade (9) is provided with a plurality of groups of water through holes (15) distributed at equal intervals, the number of the water through holes (15) is four, and the number of the water through holes (15) is distributed around the rotating shaft (13).

7. The waste heat boiler for chemical industry according to claim 1, wherein: violently manage one end fixedly connected with conveyer pipe (7) that (4) kept away from connecting pipe (6), and conveyer pipe (7) and sealed lid (5) fixed connection, it is two sets of be equipped with between conveyer pipe (7) with sealed lid (5) inner wall fixed mounting's motor, and motor output shaft and screw rod (8) fixed connection.

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