CN210154384U

CN210154384U - Air preheater

Info

Publication number: CN210154384U
Application number: CN201921082486.2U
Authority: CN
Inventors: 李金龙; 陶元荣
Original assignee: Shunxiang Wood Industry Of Zhenyuan Rosin Factory
Current assignee: Shunxiang Wood Industry Of Zhenyuan Rosin Factory
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-03-17
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses an air preheater, including fixed plate, hot exchange pipe and guard plate, the fixed plate symmetry sets up, the guard plate symmetry sets up, and fixed plate and guard plate fixed connection form a frame of opening there is the passageway, are provided with hot exchange pipe between the fixed plate of symmetry, hot exchange pipe sets up to the pipe, and hot exchange pipe is neatly arranged in the horizontal direction and sets up to the multirow, and the dislocation sets up between two adjacent hot exchange pipes between the last row and next row, and fixed plate edge is provided with first screw hole; this device make full use of the waste heat in the flue gas comes to preheat the air, and the hot-blast plank of toasting in letting in the plank bakery again of preheating has practiced thrift the resource, has prevented the waste, and simultaneously, this device has still improved efficiency through set up the heat dissipation copper sheet in the heat exchange tube.

Description

Air preheater

Technical Field

The utility model relates to a heat recovery utilizes equipment technical field, concretely relates to air heater.

Background

In the processing process of the wood, some wood needs to be baked in the processing process, the baking temperature does not need to be too high but cannot be too low, and resources are wasted when the coal is used for burning fire or the electric heating is used for baking. In the wood processing process, some wood needs to be treated by high-temperature steam during processing, even some waste wood needs to be subjected to combustion treatment, a large amount of high-temperature flue gas carrying a large amount of heat energy can grow in the process of burning a boiler or burning waste, if the high-temperature flue gas is not treated, the high-temperature flue gas is discharged, on one hand, air is polluted, on the other hand, the heat contained in the flue gas can also cause waste, and if the heat energy can be utilized, a lot of resources are saved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air heater utilizes the flue gas that produces among the boiler or the wood waste combustion process of burning to carry out the heat energy conversion and uses the problem of solving the heat energy waste.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides an air preheater, includes fixed plate, hot exchange pipe and guard plate, the fixed plate symmetry sets up, the guard plate symmetry sets up, and fixed plate and guard plate fixed connection form one and open the frame that has the passageway, are provided with hot exchange pipe between the fixed plate of symmetry, hot exchange pipe sets up to the pipe, and hot exchange pipe is neatly arranged in horizontal direction and sets up, and hot exchange pipe sets up to the multirow, and the dislocation set is between two adjacent hot exchange pipes between last one row and next one row, and fixed plate edge is provided with first screw hole.

Furthermore, a connecting plate is vertically and fixedly arranged on the upper side and the lower side of the protection plate, and a threaded hole is fixedly formed in the connecting plate.

Furthermore, a fan cover is arranged on one side of the fixing plate on one side in a covering mode, the fan cover is a hemispherical cover and is fixedly connected with the fixing plate through screws, and the fan cover is connected to the fan through an air pipe.

Furthermore, a copper ring is arranged in the heat exchange tube, and a fan heat copper sheet is arranged in the copper ring.

Further, the copper rings are arranged at intervals.

Furthermore, a copper ring placing hole is formed in the heat exchange tube, and a placing groove is formed in the placing hole.

Compared with the prior art, the beneficial effects of the utility model are that: the device makes full use of the residual heat in the flue gas

The air preheats, and the hot-blast plank of baking in letting in the plank bakery again of preheating has practiced thrift the resource, has prevented the waste, and simultaneously, this device has still improved efficiency through set up the heat dissipation copper sheet in the heat exchange tube.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a front view of the structure of the present invention.

Fig. 3 is a schematic structural diagram of the copper sheet in the copper pipe of the present invention.

Fig. 4 is a schematic view of the heat exchange tube structure of the present invention.

In the figure, 1-a fixing plate, 2-a heat exchange tube, 3-a protection plate, 4-a fan cover, 5-a heat exchange copper sheet, 6-a first threaded hole, 7-a copper ring, 8-a placing groove and 9-a placing opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

an air heater as shown in the figure, including fixed plate 1, heat exchange pipe 3 and guard plate 2, fixed plate 1 symmetry sets up, guard plate 2 symmetry sets up, and fixed plate 1 and guard plate 2 fixed connection form one and open the frame that has the passageway, and this frame is used as the location here, is used as fixed usefulness firstly. And heat exchange tubes 3 are arranged between the symmetrical fixing plates 1 for heat exchange, and heat in the flue gas is replaced into the heat exchange tubes 3 to heat the air. Hot exchange pipe 3 sets up to the pipe, the pipe is firstly even to cold wind heating when the heat exchange, secondly it is convenient for it to lay between fixed plate 1, hot exchange pipe 3 is neatly arranged on horizontal and sets up, arrange the gap that forms between the setting and let the flue gas pass through, hot exchange pipe 3 sets up to the multirow, make the flue gas can be abundant with the abundant contact of hot exchange pipe 3, dislocation set between last one row and next row is between two adjacent hot exchange pipe 3, so make the flue gas get into the back from one end, by even cutting apart down between two gaps, so can make every hot exchange pipe 3 each face can both contact with the flue gas, 1 edge of fixed plate is provided with first screw hole 6 and is used for fixing.

Example 2:

on the basis of the above embodiment, in this embodiment, the upper side and the lower side of the protection plate 2 are vertically and fixedly provided with the connecting plate, the threaded holes are fixedly formed in the connecting plate, the protection plate 2 and the fixing plate 1 form a flue gas channel, flue gas generated by burning a boiler and the like passes through the channel to be fully contacted with the heat exchange tube 3, and cold air is introduced into the heat exchange tube 3 to exchange heat with the cold air, so that the cold air is heated.

Example 3:

on the basis of the above embodiment, in this embodiment, in order to better control ventilation of cold air, a fan cover 4 is covered on one side of a fixing plate 1 on one side, the fan cover 4 is set to be a hemispherical cover, the fan cover 4 is fixedly connected with the fixing plate 1 through screws, the fan cover is connected to a fan through an air pipe, the cold air is conveyed by the fan and then distributed to each heat exchange pipe 3 through the fan cover 4 to be heated, the fixing plate 1 on the other side can be directly placed on one side of a board baking room as an air inlet end according to actual medicine needs, the air cover can be reused to perform secondary air induction, specific setting can be set according to actual needs, temperature control of hot air can be controlled according to power of the fan, and when the temperature needs change, the temperature control can be controlled by controlling air volume of the heat exchange pipes 3 in unit time.

Example 4:

on the basis of the above embodiment, in the present embodiment, in order to improve the heat exchange efficiency, the copper ring 7 is disposed in the heat exchange tube 3, the copper heat-dissipating sheet 5 is disposed in the copper ring 7, and the high thermal conductivity and high melting point of copper are applied to improve the heat exchange rate and prevent the copper from being melted at high temperature.

Example 5:

on the basis of the above embodiment, in the present embodiment, in order to reduce the cost, the copper rings 7 are provided at intervals in the heat exchange tube 3.

Example 6:

on the basis of the above embodiment, in this embodiment, in order to make this device conveniently, heat exchange tube 3 is equipped with placing port 9 of copper ring 7, is provided with standing groove 8 in placing port 9, in the process of assembly, installs copper ring 7 to placing port 8 in placing port 9 earlier, then uses and places the lid of 9 looks adaptations of port and cover placing port 9, then uses the electric welding to weld lid and heat exchange tube 3, welds heat exchange tube 3 and fixed plate 1 at last, welds protection plate 2 at last.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. An air preheater, characterized in that: including fixed plate (1), hot exchange pipe (3) and guard plate (2), fixed plate (1) symmetry sets up, guard plate (2) symmetry sets up, and fixed plate (1) and guard plate (2) fixed connection form one and open the frame that has the passageway, are provided with hot exchange pipe (3) between fixed plate (1) of symmetry, hot exchange pipe (3) set up to the pipe, and hot exchange pipe (3) are arranged neatly on horizontal and are set up, and hot exchange pipe (3) set up to the multirow, and dislocation set between last one row and the next row, fixed plate (1) edge is provided with first screw hole (6).

2. An air preheater as recited in claim 1, wherein: one side vertical fixation is provided with the connecting plate about guard plate (2), and the fixed screw hole that is provided with on the connecting plate.

3. An air preheater as recited in claim 1, wherein: one side cover of one side fixed plate (1) is equipped with fan housing (4), and fan housing (4) set up to the hemisphere cover, and fan housing (4) pass through screw and fixed plate (1) fixed connection, and the fan housing passes through the tuber pipe and is connected to on the fan.

4. An air preheater as recited in claim 1, wherein: a copper ring (7) is arranged in the heat exchange tube (3), and a fan heat copper sheet (5) is arranged in the copper ring (7).

5. An air preheater as recited in claim 4, wherein: the copper rings (7) are arranged at intervals.

6. An air preheater as recited in claim 1, wherein: the heat exchange tube (3) is provided with a placing opening (9) of the copper ring (7), and a placing groove (8) is arranged in the placing opening (9).