CN217483270U

CN217483270U - Heat treatment equipment for synthesis furnace capable of recycling waste heat

Info

Publication number: CN217483270U
Application number: CN202122955971.XU
Authority: CN
Inventors: 陈小慧
Original assignee: Nantong Shan Jian Graphite Equipment Co ltd
Current assignee: Nantong Shan Jian Graphite Equipment Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-09-23
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to a heat treatment device for a synthesis furnace, which can recycle waste heat, comprising a connecting box, wherein the upper side and the lower side of the connecting box are both provided with a waste heat recovery box, the connecting box and the waste heat recovery box are in an integrated structure, and the connecting box and the waste heat recovery box are both in a hollow structure; this can carry out waste heat recovery's heat treatment equipment for synthetic furnace is through the heat transfer mechanism and the incrustation scale scraping mechanism that are equipped with: on the one hand, the discharged high-temperature flue gas of synthetic furnace enters into a plurality of heat exchange tubes through the air inlet, and the heat exchange tube then with heat transfer to the water in the waste heat recovery case, on the other hand, the output shaft of motor drives the lead screw and rotates, under the rotation of lead screw, can drive activity body reciprocating motion, the brush hair can be scoured the surface of heat exchange tube and get rid of the incrustation scale on heat exchange tube surface to can avoid the existence of incrustation scale to lead to the poor problem of heat conduction efficiency of heat exchange tube.

Description

Heat treatment equipment for synthesis furnace capable of recycling waste heat

Technical Field

The utility model relates to the technical field of heat exchange equipment, in particular to heat treatment equipment for a synthesis furnace, which can recycle waste heat.

Background

The heat treatment equipment for the synthesis furnace comprises a vertical reaction tower, a sedimentation tank, an uptake flue and an electric heating slag depletion area, wherein when the synthesis furnace works, flue gas discharged by the flue contains a large amount of thermal resources, at present, the thermal resources in the flue gas are generally recovered by heat exchange equipment, in the prior art, the heat exchange equipment converts the thermal resources into fluid (such as water) through a heat exchange pipe, but because the heat exchange pipe is soaked in the water for a long time, a large amount of scale is easily hardened on the surface of the heat exchange pipe, and the heat conduction efficiency of the heat exchange pipe is seriously influenced by the existence of the scale, so that the heat exchange efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out waste heat recovery's equipment for heat treatment for synthetic furnace to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a can carry out waste heat recovery's equipment for heat treatment for synthetic furnace, includes the connecting box, the upper and lower both sides of connecting box all are equipped with the waste heat recovery case, the connecting box with the waste heat recovery case is the integrated into one piece structure, just the connecting box with the waste heat recovery case is cavity formula structure, two department is equipped with heat transfer mechanism between the waste heat recovery case, the inside of connecting box is equipped with the incrustation scale and strikes off the mechanism.

As the utility model discloses preferred technical scheme, heat transfer mechanism includes the air inlet, the upper and lower both sides of air inlet all closely weld has the connecting pipe, closely weld has a plurality of heat exchange tubes on the connecting pipe, the end of heat exchange tube passes waste heat recovery case and outstanding to the external world, closely weld has the blast pipe between the end of heat exchange tube, closely weld has the gas vent on the blast pipe, air inlet, connecting pipe, heat exchange tube, blast pipe and gas vent are linked together in proper order.

As the utility model discloses preferred technical scheme, the incrustation scale strikes off the mechanism and includes the activity body, set up two symmetrical double-layered grooves on the activity body, the heat exchange tube is located and presss from both sides the inslot, it is equipped with the brush hair all to inlay on the both sides wall in double-layered groove, the center department threaded connection of activity body has the lead screw, the upper and lower both sides of lead screw all are equipped with the guide arm, the guide arm pass the activity body and with activity body sliding connection, through bolt fixedly connected with motor on the preceding lateral wall of connecting box, the output shaft and the coaxial inseparable welding of lead screw of motor.

As the utility model discloses preferred technical scheme, the inner wall rotation that the bearing was passed through with the connecting box at the both ends of lead screw is connected, the both ends of guide arm and the inner wall of connecting box closely weld.

As the utility model discloses preferred technical scheme, the heat exchange tube adopts the red copper material to make.

As the utility model discloses preferred technical scheme, the top surface of waste heat recovery case is close to rear side department and has closely welded the water inlet, the top surface of waste heat recovery case is close to front side department and has closely welded the outlet.

Compared with the prior art, the beneficial effects of the utility model are that: this can carry out waste heat recovery's heat treatment equipment for synthetic furnace is through the heat transfer mechanism and the incrustation scale scraping mechanism that are equipped with: on the one hand, the discharged high-temperature flue gas of synthetic furnace enters into a plurality of heat exchange tubes through the air inlet, and the heat exchange tube then with heat transfer to the water in the waste heat recovery case, on the other hand, the output shaft of motor drives the lead screw and rotates, under the rotation of lead screw, can drive activity body reciprocating motion, the brush hair can be scoured the surface of heat exchange tube and get rid of the incrustation scale on heat exchange tube surface to can avoid the existence of incrustation scale to lead to the poor problem of heat conduction efficiency of heat exchange tube.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a sectional view of the whole structure of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a scale scraping mechanism in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a movable body in embodiment 1 of the present invention;

fig. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a filter mechanism according to embodiment 2 of the present invention.

The various reference numbers in the figures mean:

1. a connecting box;

2. a waste heat recovery tank; 21. a water inlet; 22. a water discharge port;

3. a heat exchange mechanism; 31. an air inlet; 32. a connecting pipe; 33. a heat exchange pipe; 34. an exhaust pipe; 35. an exhaust port;

4. a scale scraping mechanism; 41. a movable body; 411. a clamping groove; 42. brushing; 43. a screw rod; 44. a guide bar; 45. a motor;

5. a filtering mechanism; 51. a box body; 52. a bin gate; 53. filtering the plate; 54. filtering with a screen; 55. a flue gas inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the positional or positional relationship indicated 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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

The embodiment provides a technical scheme:

referring to fig. 1-2, a heat treatment apparatus for a synthesis furnace capable of recycling waste heat includes a connection box 1, wherein waste heat recovery boxes 2 are disposed on both upper and lower sides of the connection box 1, the connection box 1 and the waste heat recovery boxes 2 are integrally formed, the connection box 1 and the waste heat recovery boxes 2 are both hollow structures, and a heat exchange mechanism 3 is disposed between the two waste heat recovery boxes 2. The heat exchange mechanism 3 comprises an air inlet 31, connecting pipes 32 are tightly welded on the upper side and the lower side of the air inlet 31, a plurality of heat exchange pipes 33 are tightly welded on the connecting pipes 32, the tail ends of the heat exchange pipes 33 penetrate through the waste heat recovery tank 2 and protrude to the outside, exhaust pipes 34 are tightly welded between the tail ends of the heat exchange pipes 33, exhaust ports 35 are tightly welded on the exhaust pipes 34, and the air inlet 31, the connecting pipes 32, the heat exchange pipes 33, the exhaust pipes 34 and the exhaust ports 35 are sequentially communicated.

In this embodiment, the heat exchange tube 33 is made of red copper, which is industrial pure copper, has good electrical conductivity and thermal conductivity, excellent plasticity, and is easy to be processed by hot pressing and cold pressing, therefore, the heat exchange tube 33 made of red copper can transfer high temperature in flue gas to the water body of the waste heat recovery tank 2.

In this embodiment, the water inlet 21 is tightly welded to the top surface of the waste heat recovery tank 2 near the rear side, the water outlet 22 is tightly welded to the top surface of the waste heat recovery tank 2 near the front side, and the water inlet 21 and the water outlet 22 are convenient for water to enter and discharge and are convenient for heat recovery of the heat exchange tube 33.

Referring to fig. 3-4, a scale scraping mechanism 4 is disposed inside the connection box 1. The scale scraping mechanism 4 comprises a movable body 41, two symmetrical clamping grooves 411 are formed in the movable body 41, the heat exchange tube 33 is located in the clamping grooves 411, bristles 42 are embedded in two side walls of the clamping grooves 411, a screw rod 43 is connected to the center of the movable body 41 in a threaded manner, guide rods 44 are arranged on the upper side and the lower side of the screw rod 43, the guide rods 44 penetrate through the movable body 41 and are connected with the movable body 41 in a sliding manner, a motor 45 is fixedly connected to the front side wall of the connecting box 1 through bolts, and an output shaft of the motor 45 is coaxially and tightly welded with the screw rod 43.

In this embodiment, the both ends of lead screw 43 are connected through the inner wall rotation of bearing with connecting box 1, and the both ends of guide arm 44 and the inner wall of connecting box 1 closely weld, and the bearing has played the support to the rotation of lead screw 43 and has supported pivoted effect, is convenient for drive movable body 41 reciprocating motion under the rotation of lead screw 43, is convenient for strike off the incrustation scale on the heat exchange tube 33.

It should be added that the bristles 42 in this embodiment are steel wire bristles, which are tough and have a long service life, and are convenient for brushing off the scale on the surface of the heat exchange tube 33.

It should be noted that the motor 45 in the present embodiment is conventional and will not be described herein.

When the waste heat recovery device is used specifically, high-temperature flue gas enters the connecting pipe 32 and the plurality of heat exchange pipes 33 through the air inlet 31, at the moment, heat of the high-temperature flue gas is transferred to a water body in the waste heat recovery tank 2 through the heat exchange pipes 33, the temperature of the flue gas is reduced, and then the high-temperature flue gas is exhausted to the outside through the exhaust port 35 of the exhaust pipe 34;

when the scale needs to be cleaned, a user firstly switches on the power supply of the motor 45, the output shaft of the motor 45 rotates to drive the screw rod 43 to rotate, the movable body 41 slides along the two guide rods 44 under the rotation of the screw rod 43, the bristles 42 synchronously rub the surface of the heat exchange tube 33 along with the movement of the movable body 41, and the scale on the surface of the heat exchange tube 33 is brushed off by the bristles 42.

Example 2

Referring to fig. 5 to 6, the present embodiment provides the following technical solutions on the basis of embodiment 1: the air inlet 31 is provided with the filtering mechanism 5, the filtering mechanism 5 comprises a box body 51 of a hollow structure, a flue gas inlet 55 is tightly welded on the rear side wall of the box body 51, the box body 51 is respectively communicated with the flue gas inlet 55 and the air inlet 31, a filtering plate 53 with meshes is arranged in the box body 51 close to the rear side, and the rear side of the filtering plate 53 is fixedly connected with a filtering screen 54 through bolts.

In this embodiment, a bin gate 52 is fixedly connected to the lower portion of the box body 51 through a bolt, and the bin gate 52 is arranged to facilitate cleaning of impurities accumulated in the box body 51.

It should be added that the high temperature flue gas of the synthesis furnace contains a great amount of impurities (such as particles which are not completely combusted), and the impurities move under the flowing of the air flow, and are easy to accumulate in the heat exchange tube 33, which easily causes the blockage of the heat exchange tube 33, so that the accumulation of larger particles in the heat exchange tube 33 can be avoided by the filter plate 53 and the filter screen 54, and the pipeline blockage can be avoided.

In the specific use process, the high-temperature flue gas enters the box body 51 through the flue gas inlet 55, the high-temperature flue gas sequentially passes through the filter plate 53 and the filter screen 54, impurities and the like in the high-temperature flue gas are intercepted, and then the high-temperature flue gas enters the air inlet 31.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred embodiments of the present invention, and is not intended to limit the present invention, and without departing from the spirit and scope of the present invention, the present invention can also have various changes and modifications, and all of these changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a can carry out waste heat recovery's heat treatment equipment for synthetic furnace, includes connecting box (1), the upper and lower both sides of connecting box (1) all are equipped with waste heat recovery case (2), connecting box (1) with waste heat recovery case (2) are the integrated into one piece structure, just connecting box (1) with waste heat recovery case (2) are cavity formula structure, its characterized in that: two department is equipped with heat transfer mechanism (3) between waste heat recovery case (2), the inside of connecting box (1) is equipped with incrustation scale scraping mechanism (4).

2. The heat treatment facility for a synthesis furnace according to claim 1, wherein the facility comprises: heat transfer mechanism (3) are including air inlet (31), the equal inseparable welding in the upper and lower both sides of air inlet (31) has connecting pipe (32), the inseparable welding has a plurality of heat exchange tubes (33) on connecting pipe (32), waste heat recovery case (2) and outstanding to the external world are passed to the end of heat exchange tube (33), the inseparable welding has blast pipe (34) between the end of heat exchange tube (33), the inseparable welding has gas vent (35) on blast pipe (34), air inlet (31), connecting pipe (32), heat exchange tube (33), blast pipe (34) and gas vent (35) are linked together in proper order.

3. The heat treatment facility for a synthesis furnace according to claim 2, wherein the facility comprises: scale strikes off mechanism (4) including activity body (41), two symmetrical double-layered groove (411) have been seted up on activity body (41), heat exchange tube (33) are located double-layered groove (411), all inlay on the both sides wall in double-layered groove (411) and be equipped with brush hair (42), threaded connection has lead screw (43) is located at the center of activity body (41), the upper and lower both sides of lead screw (43) all are equipped with guide arm (44), guide arm (44) pass activity body (41) and with activity body (41) sliding connection, through bolt fixedly connected with motor (45) on the preceding lateral wall of connecting box (1), the output shaft and the coaxial inseparable welding of lead screw (43) of motor (45).

4. The heat treatment facility for a synthesis furnace according to claim 3, wherein the facility comprises: the two ends of the screw rod (43) are rotatably connected with the inner wall of the connecting box (1) through bearings, and the two ends of the guide rod (44) are tightly welded with the inner wall of the connecting box (1).

5. The heat treatment facility for a synthesis furnace according to claim 2, wherein the facility comprises: the heat exchange tube (33) is made of red copper.

6. The heat treatment facility for a synthesis furnace according to claim 1, wherein the facility comprises: the top surface of the waste heat recovery tank (2) is tightly welded with a water inlet (21) close to the rear side, and the top surface of the waste heat recovery tank (2) is tightly welded with a water outlet (22) close to the front side.