CN210268263U

CN210268263U - Flue gas waste heat recovery device for steel processing

Info

Publication number: CN210268263U
Application number: CN201921128493.1U
Authority: CN
Inventors: 许洪磊
Original assignee: Shandong Dier Energy Saving Technology Co Ltd
Current assignee: Shandong Dier Energy Saving Technology Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-07
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a flue gas waste heat recovery device for steel processing, establish the base that the cavity is the cuboid structure in including, the top of base is fixed with the cask, and the cask is the conical structure of establishing the cavity in, the inside of cask is rotated and is connected with the transfer line, and the circumference outer wall of transfer line is provided with helical blade, the cask is stretched out to the one end of transfer line, and the transfer line is close to outside one end and is provided with driven gear, the circumference inner wall of cask is provided with and is the screw device tobacco pipe, and leaves the clearance between the outer wall of tobacco pipe and helical blade's the outer wall, the bottom of base sets up the water pump, and the delivery port of water pump is linked together through the. The utility model discloses can drive inside water and accelerate local heating power circulation when helical blade pivoted to let more the outer wall with high temperature tobacco pipe of cold water contact, with improvement heat exchange efficiency.

Description

Flue gas waste heat recovery device for steel processing

Technical Field

The utility model relates to a heating furnace technical field especially relates to a flue gas waste heat recovery device for steel processing.

Background

At present, the exhausted smoke of the existing boiler or bending furnace is often directly discharged to the atmosphere, which not only generates greenhouse effect to the atmosphere, but also discharges the high-temperature hot gas in vain, thereby wasting energy. If the flue gas waste heat recoverer converts the rest heat into hot water for recycling, the purpose of energy recovery is achieved.

A novel flue gas waste heat recovery device disclosed by Chinese patent No. CN201020130411.X is retrieved, and belongs to a waste heat recovery device in motor products. The support characteristics are as follows: a smoke waste heat recoverer is fixedly installed in the middle of a smoke exhaust pipe of a chimney, a cold water inlet pipe is arranged at the upper end of the smoke waste heat recoverer, the cold water inlet pipe extends into the smoke waste heat recoverer, and a hot water outlet pipe is arranged at the lower end of the smoke waste heat recoverer. The cold water inlet pipe extends into the flue gas waste heat recoverer and is encircled into an overlapped circle in the flue gas waste heat recoverer to reach the hot water outlet pipe. However, the water in the device is heated by self cold and hot convection, and the heating efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flue gas waste heat recovery device for steel processing.

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 for steel processing, establishes the base that the cavity is the cuboid structure in including, the top of base is fixed with the cask, and the cask is the conical structure of establishing the cavity in, the internal rotation of cask is connected with the transfer line, and the circumference outer wall of transfer line is provided with helical blade, the cask is stretched out to the one end of transfer line, and the transfer line is close to outside one end and is provided with driven gear, the circumference inner wall of cask is provided with and is the screw device tobacco pipe, and leaves the clearance between the outer wall of tobacco pipe and helical blade's the outer wall.

Preferably, the bottom of the base is provided with a water pump, and a water outlet of the water pump is communicated with the inside of the bucket through a water delivery pipe.

Preferably, a bearing seat is arranged at the end part, close to the transmission rod, of the inner wall of the water barrel, and a sliding bearing matched with the transmission rod is clamped in the bearing seat.

Preferably, one end of the water bucket, which is far away from the bearing seat, is provided with a jack, and a sealing ring with a transmission rod matched with the jack in diameter is clamped in the jack.

Preferably, the outer wall of cask is close to the top and is fixed with the staving, and the inner wall joint of staving has the support frame, and support frame right-hand member opening part joint has annular retaining ring, rotates between the middle part of annular retaining ring and support frame and is connected with same root circle pole.

Preferably, the both ends of round bar are fixed with flabellum and driving gear respectively, and the outer wall of staving is close to the bottom mounting and has the bearing fixing box, and bearing fixing box internal rotation is connected with the axostylus axostyle, and the top and the bottom of axostylus axostyle all are provided with conical gear.

Preferably, the outlet end of the barrel body is provided with a barrel cover, and the middle of the barrel cover is provided with a mounting hole matched with the smoke pipe.

Compared with the prior art, the utility model provides a flue gas waste heat recovery device for steel processing possesses following beneficial effect:

1. the transmission rod and the helical blade which are rotatably connected inside the water barrel are arranged, so that the helical blade can drive the water inside to accelerate the local thermal circulation when rotating, and more cold water is contacted with the outer wall of the high-temperature smoke tube, and the heat exchange efficiency is improved.

2. Through the axostylus axostyle that sets up and the conical gear at its both ends, cooperation round bar top end and conical gear intermeshing's driving gear to can indirectly drive the transfer line through the rotation of flabellum and rotate, with the realization to the utilization of the kinetic energy of flue gas, turn into its stirring to inside liquid, improve the utilization ratio of this device to waste gas.

3. Through the setting be the tobacco pipe of heliciform distribution in the cask for the area of contact of the outer wall of high temperature tobacco pipe and water grow in the cask of equal volume, improved heat exchange efficiency.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, heat exchange efficiency is high.

Drawings

FIG. 1 is a schematic view of a cross-sectional structure of a flue gas waste heat recovery device for steel processing according to the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a support frame of a flue gas waste heat recovery device for steel processing according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a position a in fig. 1 of the flue gas waste heat recovery device for steel processing according to the present invention.

In the figure: 1-base, 2-driven gear, 3-transmission rod, 4-bevel gear, 5-bearing fixing box, 6-shaft rod, 7-barrel, 8-supporting frame, 9-round rod, 10-fan blade, 11-barrel cover, 12-helical blade, 13-smoke tube, 14-water barrel, 15-water pump, 16-annular retainer ring and 17-driving gear.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1, a flue gas waste heat recovery device for steel processing comprises a base 1 with a rectangular parallelepiped structure and a cavity, a water bucket 14 is fixed at the top end of the base 1, the water bucket 14 is a conical structure with the cavity, a transmission rod 3 is rotatably connected inside the water bucket 14, a spiral blade 12 is arranged on the outer wall of the circumference of the transmission rod 3, one end of the transmission rod 3 extends out of the water bucket 14, a driven gear 2 is arranged at one end of the transmission rod 3 close to the outside, a smoke tube 13 with a spiral device is arranged on the inner wall of the circumference of the water bucket 14, and a gap is reserved between the outer wall of the smoke tube 13 and the outer wall of the spiral blade 12, so that when the spiral blade 12 rotates, the internal water can be driven to accelerate local thermal circulation, more cold water is in contact with the outer wall of.

The utility model discloses in, base 1's bottom sets up water pump 15, and water pump 15's delivery port is linked together through the inside of raceway and cask 14.

Wherein, the end part of the inner wall of the water bucket 14 close to the transmission rod is provided with a bearing seat, and a sliding bearing matched with the transmission rod 3 is clamped in the bearing seat.

Wherein, the one end of cask 14 keeping away from the bearing frame is opened there is the jack, and the joint has the sealing ring of transfer line 3 diameter looks adaptation in the jack to can ensure that transfer line 3 can normally slowly rotate and prevent to leak from the jack again.

The working principle is as follows: when in use, cold water is firstly injected into the bucket 14 through the water pump 15, and then high-temperature flue gas to be discharged is introduced into the bucket body 7; when high-temperature waste gas enters the barrel body 7, the fan blades 10 at the end part of the middle round rod 9 of the support frame 8 are driven to rotate, and at the moment, the transmission rod 3 is driven to rotate by the conical gears 4 at the two ends of the shaft lever 6; when the helical blade 12 rotates, the internal water can be driven to accelerate the local thermal circulation, so that more cold water is contacted with the outer wall of the high-temperature smoke pipe 13, and the heat exchange efficiency is improved.

Example 2

Referring to fig. 1-3, a flue gas waste heat recovery device for steel processing, this embodiment compares in embodiment 1, still includes that the outer wall of cask 14 is close to the top and is fixed with staving 7, and the inner wall joint of staving 7 has

support frame

8, and 8 right-hand members of support frame openings joint has annular retaining ring 16, rotates between the middle part of annular retaining ring 16 and support frame 8 and is connected with same root round bar 9.

Wherein, the both ends of round bar 9 are fixed with flabellum 10 and driving gear 17 respectively, and the outer wall of staving 7 is close to the bottom mounting and has bearing

fixing box

5, and 5 internal rotation of bearing fixing box are connected with axostylus axostyle 6, and the top and the bottom of axostylus axostyle 6 all are provided with conical gear 4.

Wherein, the outlet end of the barrel body 7 is provided with a barrel cover 11, and the middle of the barrel cover 11 is provided with a mounting hole matched with the smoke tube 13.

The working principle is as follows: the driving rod 3 is indirectly driven to rotate through the rotation of the fan blades 10, so that the kinetic energy of the flue gas is utilized, the spiral blades 12 are driven to rotate and then are converted into the stirring of the internal liquid, and the utilization rate of the device to the waste gas is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a flue gas waste heat recovery device for steel processing, establishes base (1) that the cavity is the cuboid structure in including, its characterized in that, the top of base (1) is fixed with cask (14), and cask (14) be the conical structure of establishing the cavity in, the internal rotation of cask (14) is connected with transfer line (3), and the circumference outer wall of transfer line (3) is provided with helical blade (12), cask (14) are stretched out to the one end of transfer line (3), and transfer line (3) are close to outside one end and are provided with driven gear (2), the circumference inner wall of cask (14) is provided with and is screw means tobacco pipe (13), and leaves the clearance between the outer wall of tobacco pipe (13) and the outer wall of helical blade (12).

2. The flue gas waste heat recovery device for steel processing according to claim 1, wherein a water pump (15) is arranged at the bottom of the base (1), and a water outlet of the water pump (15) is communicated with the inside of the water bucket (14) through a water pipe.

3. The flue gas waste heat recovery device for steel processing as claimed in claim 1, wherein a bearing seat is arranged at the end part of the inner wall of the water barrel (14) close to the transmission rod, and a sliding bearing matched with the transmission rod (3) is clamped in the bearing seat.

4. The flue gas waste heat recovery device for steel processing as claimed in claim 3, wherein the end of the water barrel (14) far away from the bearing seat is provided with a jack, and a sealing ring with a diameter matched with that of the transmission rod (3) is clamped in the jack.

5. The flue gas waste heat recovery device for steel processing according to claim 1, characterized in that the outer wall of the water bucket (14) is fixed with a bucket body (7) near the top end, the inner wall of the bucket body (7) is connected with a support frame (8) in a clamping manner, an annular check ring (16) is connected at the opening of the right end of the support frame (8) in a clamping manner, and the same round rod (9) is rotatably connected between the middle parts of the annular check ring (16) and the support frame (8).

6. The flue gas waste heat recovery device for steel processing according to claim 5, wherein the two ends of the round rod (9) are respectively fixed with a fan blade (10) and a driving gear (17), the outer wall of the barrel body (7) is fixed with a bearing fixing box (5) near the bottom end, the bearing fixing box (5) is rotatably connected with a shaft lever (6), and the top end and the bottom end of the shaft lever (6) are both provided with bevel gears (4).

7. The device for recycling the waste heat of the flue gas for the steel processing as claimed in claim 6, wherein a barrel cover (11) is arranged at the outlet end of the barrel body (7), and a mounting hole matched with the flue pipe (13) is formed in the middle of the barrel cover (11).