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

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

A kind of 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 a heat treatment equipment for a synthesis furnace capable of recycling waste heat.

Background technique

A flash smelting furnace consisting of a vertical reaction tower, a sedimentation tank, an ascending flue and an electrothermal slag depletion zone. When the synthesis furnace is in operation, the flue gas discharged from the flue contains a large amount of thermal resources. The equipment recovers the thermal resources in the flue gas. In the prior art, the heat exchange equipment converts the thermal resources into the fluid (such as water body) through the heat exchange tube, but because the heat exchange tube is immersed in the water body for a long time, the heat exchange A large amount of scale is easily formed on the surface of the tube, and the existence of scale seriously affects the heat conduction efficiency of the heat exchange tube and the efficiency of heat exchange. In view of this, we propose a heat treatment equipment for synthesis furnace that can recycle waste heat.

Utility model content

The purpose of the present invention is to provide a heat treatment equipment for a synthesis furnace capable of recycling waste heat, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A heat treatment device for a synthesis furnace capable of recycling waste heat, comprising a connection box, the upper and lower sides of the connection box are provided with waste heat recovery boxes, the connection box and the waste heat recovery box are integrally formed, and the connection box and the waste heat recovery box are integrally formed. Both the connection box and the waste heat recovery box are hollow structures, a heat exchange mechanism is arranged between the two waste heat recovery boxes, and a scale scraping mechanism is arranged inside the connection box.

As a preferred technical solution of the present invention, the heat exchange mechanism includes an air inlet, and connecting pipes are tightly welded on the upper and lower sides of the air inlet, and a plurality of heat exchange pipes are tightly welded on the connecting pipes. The ends of the heat exchange pipes pass through the waste heat recovery box and protrude to the outside world. An exhaust pipe is tightly welded between the ends of the heat exchange pipes. An exhaust port is tightly welded on the exhaust pipe. , connecting pipe, heat exchange pipe, exhaust pipe and exhaust port are connected in sequence.

As a preferred technical solution of the present invention, the scale scraping mechanism includes a movable body, and the movable body is provided with two relatively symmetrical clamping grooves, the heat exchange tube is located in the clamping grooves, and the two clamping grooves are located in the clamping grooves. The side walls are embedded with bristles, the center of the movable body is threadedly connected with a screw rod, the upper and lower sides of the screw rod are provided with guide rods, and the guide rods pass through the movable body and are slidably connected with the movable body , the front side wall of the connection box is fixedly connected with a motor by bolts, and the output shaft of the motor is coaxially and tightly welded with the screw rod.

As a preferred technical solution of the present invention, both ends of the screw rod are rotatably connected to the inner wall of the connection box through bearings, and both ends of the guide rod are tightly welded to the inner wall of the connection box.

As a preferred technical solution of the present invention, the heat exchange tube is made of red copper material.

As a preferred technical solution of the present invention, the top surface of the waste heat recovery box is closely welded with a water inlet near the rear side, and the top surface of the waste heat recovery box is closely welded with a drain port near the front side.

Compared with the prior art, the beneficial effects of the present utility model: the heat exchange mechanism and scale scraping mechanism provided by the heat treatment equipment for the synthesis furnace, which can be used for waste heat recovery and utilization: on the one hand, the high-temperature flue gas discharged from the synthesis furnace is The air inlet enters into a plurality of heat exchange tubes, and the heat exchange tubes transfer heat to the water body in the waste heat recovery box. On the other hand, the output shaft of the motor drives the screw to rotate, and the rotation of the screw can drive the movement The body reciprocates, and the bristles can wash the surface of the heat exchange tube and remove the scale on the surface of the heat exchange tube, so as to avoid the problem of poor heat conduction efficiency of the heat exchange tube caused by the existence of scale.

Description of drawings

Fig. 1 is the overall structure schematic diagram of Embodiment 1 of the present utility model;

2 is a cross-sectional view of the overall structure of Embodiment 1 of the present utility model;

3 is a schematic structural diagram of a scale scraping mechanism in Embodiment 1 of the present utility model;

4 is a schematic structural diagram of a movable body in Embodiment 1 of the present invention;

5 is a schematic diagram of the overall structure of Embodiment 2 of the present utility model;

6 is a schematic structural diagram of a filtering mechanism in Embodiment 2 of the present invention.

The meanings of the symbols in the figure are:

1. Connection box;

2. Waste heat recovery box; 21. Water inlet; 22. Drain outlet;

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

4. Scale scraping mechanism; 41, movable body; 411, clamping groove; 42, bristles; 43, screw rod; 44, guide rod; 45, motor;

5. Filtering mechanism; 51. Box body; 52. Warehouse door; 53. Filter plate; 54. Filter screen; 55. Flue gas inlet.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Example 1

This embodiment provides a technical solution:

Please refer to Fig. 1-2, a heat treatment equipment for a synthesis furnace that can be used for waste heat recovery, includes a connection box 1, and waste heat recovery boxes 2 are provided on the upper and lower sides of the connection box 1. The connection box 1 and the waste heat recovery box 2 are It has an integral molding structure, and the connection box 1 and the waste heat recovery box 2 are both hollow structures, and a heat exchange mechanism 3 is arranged between the two waste heat recovery boxes 2 . The heat exchange mechanism 3 includes an air inlet 31. The upper and lower sides of the air inlet 31 are tightly welded with connecting pipes 32. The connecting pipes 32 are tightly welded with a plurality of heat exchange pipes 33, and the ends of the heat exchange pipes 33 pass through the waste heat recovery. The box 2 protrudes to the outside, and an exhaust pipe 34 is tightly welded between the ends of the heat exchange pipe 33. The exhaust pipe 34 is tightly welded with an exhaust port 35, an air inlet 31, a connecting pipe 32, a heat exchange pipe 33, The exhaust pipe 34 and the exhaust port 35 are sequentially communicated with each other.

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

In this embodiment, a water inlet 21 is tightly welded on the top surface of the waste heat recovery box 2 near the rear side, and a drain port 22 is tightly welded on the top surface of the waste heat recovery box 2 near the front side. The arrangement is convenient for the entry and discharge of the water body, and is convenient for recovering the heat of the heat exchange tube 33 .

Please refer to Figure 3-4, the connection box 1 is provided with a scale scraping mechanism 4 inside. The scale scraping mechanism 4 includes a movable body 41. The movable body 41 is provided with two relatively symmetrical clamping grooves 411. The heat exchange tube 33 is located in the clamping grooves 411. The two side walls of the clamping grooves 411 are embedded with bristles 42. A screw rod 43 is threadedly connected to the center of the movable body 41 , and guide rods 44 are provided on the upper and lower sides of the screw rod 43 . The guide rods 44 pass through the movable body 41 and are slidably connected to the movable body 41 . A motor 45 is fixedly connected to the upper part by bolts, and the output shaft of the motor 45 is coaxially and tightly welded with the screw rod 43 .

In this embodiment, the two ends of the screw rod 43 are rotatably connected to the inner wall of the connection box 1 through bearings, and the two ends of the guide rod 44 are tightly welded to the inner wall of the connection box 1 , and the bearings support and support the rotation of the screw rod 43 The function of rotation is convenient to drive the movable body 41 to reciprocate under the rotation of the screw rod 43 , and is convenient to scrape off the scale on the heat exchange tube 33 .

It should be added that the bristles 42 in this embodiment are steel bristles. The steel bristles are tough and have a long service life, and are easy to brush off the scale on the surface of the heat exchange tube 33 .

It should be noted that the motor 45 in this embodiment is an existing conventional technology, and details are not described herein again.

In specific use, the high-temperature flue gas enters the connecting pipe 32 and the plurality of heat exchange pipes 33 through the air inlet 31. At this time, the heat of the high-temperature flue gas is transferred to the water body in the waste heat recovery box 2 through the heat exchange pipes 33. The gas temperature is reduced, and then the high-temperature flue gas is discharged to the outside through the exhaust port 35 of the exhaust pipe 34;

When the scale needs to be cleaned, the user first turns on the power of the motor 45, and the output shaft of the motor 45 rotates to drive the lead screw 43 to rotate. Under the rotation of the lead screw 43, the movable body 41 slides along the two guide rods 44. With the movement of the movable body 41 , the bristles 42 rub the surface of the heat exchange tube 33 synchronously.

Example 2

Referring to FIGS. 5-6 , the present embodiment provides the following technical solution on the basis of Embodiment 1: a filter mechanism 5 is provided at the air inlet 31 , and the filter mechanism 5 includes a box body 51 in a hollow structure. A fume inlet 55 is tightly welded on the rear side wall, and the box body 51 is communicated with the fume inlet 55 and the air inlet 31 respectively. The inside of the box body 51 is provided with a mesh filter plate 53 near the rear side. The filter plate The rear side of 53 is fixedly connected with a filter screen 54 by means of bolts.

In this embodiment, a warehouse door 52 is fixedly connected to the lower part of the box body 51 by bolts, and the arrangement of the warehouse door 52 is convenient for cleaning impurities accumulated in the box body 51 .

What needs to be added is that the high-temperature flue gas of the synthesis furnace contains a large amount of impurities (such as unburned particulate matter), and the impurities move under the flow of the airflow and are easy to accumulate in the heat exchange tube 33, which is easy to cause blockage of the heat exchange tube 33. Therefore, by the provided filter plate 53 and filter screen 54, it is possible to avoid the accumulation of large particles and the like in the heat exchange tube 33, and to avoid the blockage of the pipeline.

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

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Under the premise of the spirit and scope, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A heat treatment device for a synthesis furnace capable of recycling waste heat, comprising a connection box (1), the upper and lower sides of the connection box (1) are provided with waste heat recovery boxes (2), the connection box (1) ) and the waste heat recovery box (2) are integrally formed, and the connection box (1) and the waste heat recovery box (2) are both hollow structures, characterized in that: the two waste heat recovery boxes ( 2) A heat exchange mechanism (3) is arranged between, and a scale scraping mechanism (4) is arranged inside the connection box (1). 2 . The heat treatment equipment for a synthesis furnace capable of recycling waste heat according to claim 1 , wherein the heat exchange mechanism ( 3 ) comprises an air inlet ( 31 ), and the air inlet ( 31 ) has an air inlet ( 31 ). 3 . Connecting pipes (32) are tightly welded on the upper and lower sides, a plurality of heat exchange pipes (33) are tightly welded on the connecting pipes (32), and the ends of the heat exchange pipes (33) pass through the waste heat recovery box (2). ) and protrude to the outside, an exhaust pipe (34) is tightly welded between the ends of the heat exchange pipe (33), and an exhaust port (35) is tightly welded on the exhaust pipe (34). The air port (31), the connecting pipe (32), the heat exchange pipe (33), the exhaust pipe (34) and the exhaust port (35) are connected in sequence. 3 . The heat treatment equipment for a synthesis furnace capable of recycling waste heat according to claim 2 , wherein the scale scraping mechanism ( 4 ) comprises a movable body ( 41 ), and an opening on the movable body ( 41 ) is provided. 4 . There are two symmetrical clamping grooves (411), the heat exchange tube (33) is located in the clamping groove (411), and bristles (42) are embedded on both side walls of the clamping groove (411). A screw rod (43) is threadedly connected to the center of the movable body (41), and guide rods (44) are provided on both upper and lower sides of the screw rod (43), and the guide rod (44) passes through the movable body (44). 41) and slidingly connected with the movable body (41), a motor (45) is fixedly connected to the front side wall of the connection box (1) by bolts, and the output shaft of the motor (45) is the same as the lead screw (43). The shaft is tightly welded. 4 . The heat treatment equipment for a synthesis furnace capable of recycling waste heat according to claim 3 , wherein the two ends of the screw rod ( 43 ) are rotatably connected to the inner wall of the connection box ( 1 ) through bearings, and the Both ends of the guide rod (44) are tightly welded with the inner wall of the connection box (1). 5 . The heat treatment equipment for a synthesis furnace capable of recycling waste heat according to claim 2 , wherein the heat exchange tube ( 33 ) is made of red copper material. 6 . 6. The heat treatment equipment for a synthesis furnace capable of recycling waste heat according to claim 1, characterized in that: a water inlet (21) is tightly welded on the top surface of the waste heat recovery box (2) near the rear side, so A drain port (22) is tightly welded on the top surface of the waste heat recovery box (2) near the front side.

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