CN210717626U

CN210717626U - Heat pipe type flue gas waste heat recovery device

Info

Publication number: CN210717626U
Application number: CN201921823739.7U
Authority: CN
Inventors: 贾志君
Original assignee: Shandong Zhiheng Environmental Protection Technology Co Ltd
Current assignee: Shandong Zhiheng Environmental Protection Technology Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-09
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a heat pipe formula flue gas waste heat recovery device relates to flue gas waste heat recovery device technical field, specifically includes the heat exchange assembly of box internal installation to and set up the condensing equipment body of installing at the box top, the inside of box is formed with case chamber and its both ends and is open structure, the draw runner that the equal a plurality of symmetries of fixedly connected with of the interior both sides wall of case chamber set up, and two draw runners that are in on the same horizontal plane form and supply installation frame bottom surface both sides to support gliding face, a plurality of hot exchange pipes that set up side by side of the both sides fixedly connected with of installation frame for hot exchange pipe's both ends are in the flue gas entry end and the flue gas outlet end of box respectively, and hot exchange pipe is formed with the lumen that supplies. This application is through carrying out structural optimization to heat exchange device, takes out the installation frame through the regular, washes the mediation to hot exchange pipe and inside capillary heat pipe to guarantee the continuous result of use of device.

Description

Heat pipe type flue gas waste heat recovery device

Technical Field

The utility model relates to a flue gas waste heat recovery device technical field specifically is a heat pipe formula flue gas waste heat recovery device.

Background

In the modern industrial production process, the use of heat energy is very common and extensive, especially for coking and coal industries, the thermalization technology is mature, in the process of using the heat technology, high-temperature and high-pressure tail gas is generated, along with the progress of the modern technology, the part of tail gas has already been applied to a certain extent, in the modern tail gas, the temperature of the tail gas is generally between 280 and 400 ℃, the pressure is close to normal pressure, for the application of the part of low-pressure and low-temperature tail gas, the part of tail gas is not widely used due to the cost problem at present, and the part of tail gas has a great use value in practice, for example, the heat in the waste gas can be intensively used by adopting related technical means, the temperature of the waste gas exhaust is reduced, the energy consumption is reduced, and low-pressure steam is generated for production and life. But the heat transfer effect of the current low-temperature low-pressure waste heat recovery device is not good, the heat exchange efficiency is low, the problems of dew point corrosion and the like are easy to occur, and the device is difficult to be effectively and widely popularized.

Patent number is CN205991731U discloses a heat pipe formula flue gas waste heat recovery device, has solved above-mentioned problem, but because contain some foreign particles in some flue gas, lead to the condition that greasy dirt or smoke stain appear in the heat exchange tube inner wall after long-term the use easily, appear blocking up the condition of heat exchange tube even, the flue gas is unobstructed not in the same direction as when leading to the heat transfer, reduces waste heat recovery's efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat pipe formula flue gas waste heat recovery device to solve the problem that proposes 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 heat pipe formula flue gas waste heat recovery device, includes the heat exchange assembly of installation in the box to and set up the condensing equipment body of installing at the box top, the inside of box is formed with case chamber and its both ends and is open structure, thereby makes the one end opening of box can receive the entry end of flue gas, and box other end opening is the flue gas exit end, and the draw runner that the equal a plurality of symmetries of the interior both sides wall of case chamber set up simultaneously, and two draw runners that are in on same horizontal plane form and supply installation frame bottom surface both sides to support gliding face, a plurality of hot exchange pipes that set up side by side of both sides fixedly connected with of installation frame, and the both ends of hot exchange pipe are in the flue gas entry end and the flue gas exit end of box respectively, and the hot.

As a further aspect of the present invention: and an induced draft fan is installed at the smoke outlet end.

As a further aspect of the present invention: the inner wall welding of lumen has a plurality of dead levers, and to a plurality of capillary heat pipes of the outer lane of the other end welding of a plurality of dead levers, and a plurality of capillary heat pipes of the trident pole fixedly connected with inner circle that a plurality of were arranged equally of a plurality of outer lane, and capillary heat pipe is along hot exchange tube's axial extension.

As a further aspect of the present invention: the gas collection baffle is arranged on the periphery of the flue gas inlet end of the box body, the gas collection baffle surrounds the flue gas inlet end to play a gas collection effect, coaxial threaded holes are formed in the surface of one side of the gas collection baffle, corresponding to the box body, and fixing bolts are screwed into the threaded holes to fix the gas collection baffle on the box body.

As a further aspect of the present invention: the one end of fixed connection pivot on the case intracavity wall that the installation frame top corresponds, and the other end of pivot rotates and is connected with the limiting plate, rotates when the limiting plate to the below with the last surface sliding contact of following of installation frame.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the heat exchange device, the heat exchange device is structurally optimized, the installation frame is taken out periodically, and the heat exchange tube and the capillary heat tube in the heat exchange tube are flushed and dredged, so that the continuous use effect of the device is guaranteed; the gas collecting baffle can be detached regularly to wash oil stains or smoke stains; when the limiting plate rotates to the below, the limiting plate is in sliding contact with the upper edge surface of the installation frame, so that the installation frame can be prevented from sliding out of the box cavity, and the purpose of convenient use is achieved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the installation of the middle capillary heat pipe of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 1.

As shown in the figure: the device comprises a box body 1, heat exchange tubes 2, a slide bar 3, capillary heat tubes 4, a condensing device body 5, an installation frame 6, a box cavity 7, a gas collection baffle 8, a fixing bolt 9, a three-fork rod 10, a fixing rod 11, a tube cavity 12, a rotating shaft 13 and a limiting plate 14.

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.

Please refer to fig. 1-3, in the embodiment of the present invention, a heat pipe type flue gas waste heat recovery device, including the heat exchange assembly installed in the box 1, and set up the condensing unit body 5 installed at the top of the box 1, it should be noted that, the installation mode between the heat exchange assembly and the condensing unit body 5 is the prior art means disclosed in the comparison document, the heat exchange assembly of the box 1 and the internal installation in this scheme is the same technical means as the heat exchange device in the comparison document, but is different installation means, thereby can reach different purposes, therefore, this scheme is to carry out structural improvement on the basis of the heat exchange device in the comparison document.

The inside of box 1 is formed with case chamber 7 and its both ends and is open structure, thereby make the one end opening of box 1 can receive the entry end of flue gas, and the heat flue gas is behind the heat transfer process of heat exchange assembly in case chamber 7, and box 1 other end opening is the flue gas exit end, and flue gas exit end department installs the draught fan, thereby can lead the heat flue gas to the exit end from the entry end, the equal fixedly connected with draw runner 3 that a plurality of symmetries set up of interior both sides wall of case chamber 7 simultaneously, and two draw runners 3 that are in on same horizontal plane form and supply the gliding face of 6 bottom surface bilateral support of installation frame, thereby make installation frame 6 can violently crouch in case chamber 7 through the support of draw runner 3, and thereby can regularly take installation frame 6 out and can wash heat exchange pipe 2 above that.

The two sides of the mounting frame 6 are fixedly connected with a plurality of heat exchange tubes 2 arranged side by side, so that two ends of each heat exchange tube 2 are respectively positioned at the flue gas inlet end and the flue gas outlet end of the box body 1, a tube cavity 12 for placing and mounting a plurality of capillary heat tubes 4 is formed in each heat exchange tube 2, a plurality of fixing rods 11 are welded on the inner wall of each tube cavity 12, a plurality of capillary heat tubes 4 on the outer ring are welded at the other ends of the fixing rods 11, the plurality of capillary heat tubes 4 on the outer ring are fixedly connected with a plurality of capillary heat tubes 4 on the inner ring through a plurality of forked rods 10 which are arranged at equal intervals, the capillary heat tubes 4 extend along the axial direction of the heat exchange tubes 2, so that the plurality of capillary heat tubes 4 are uniformly distributed in the heat exchange tubes 2, the heat exchange and the heat of the flue gas in the heat exchange tubes 2, the exchanged heat is transferred to the condensing device body 5, so that the purpose of waste heat recovery is achieved.

The flue gas entry end of box 1 is along being provided with gas collection baffle 8 all around, forms to surround in order to play and gather the gas effect through gas collection baffle 8 to flue gas entry end, and gas collection baffle 8 one side corresponds box 1 and all sets up coaxial screw hole on the surface, and fixing bolt 9 screw in screw hole is in order to be fixed in on box 1 with gas collection baffle 8 to can regularly dismantle gas collection baffle 8 and wash greasy dirt or tobacco stain.

Fixed connection pivot 13's one end on the 7 inner walls in case chamber that the installation frame 6 top corresponds, and pivot 13's the other end rotates and is connected with limiting plate 14, rotates when the limiting plate 14 to the below with the last surface sliding contact that follows of installation frame 6 to can prevent that installation frame 6 from slipping out of case chamber 7, take out installation frame 6 through regularly, wash the mediation to hot exchange pipe 2 and inside capillary heat pipe 4, thereby guarantee the continuous result of use of device.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, and may, for example, be 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 by those of ordinary skill in the art through specific situations.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A heat pipe type flue gas waste heat recovery device comprises a heat exchange assembly installed in a box body (1) and a condensing device body (5) installed at the top of the box body (1), and is characterized in that a box cavity (7) is formed in the box body (1) and both ends of the box cavity are of an open structure, so that an inlet end of the box body (1) can receive flue gas through an opening at one end, an outlet end of the other end of the box body (1) is a flue gas outlet end, meanwhile, a plurality of symmetrically arranged sliding strips (3) are fixedly connected to both inner side walls of the box cavity (7), two sliding strips (3) on the same horizontal plane form a sliding surface for supporting both sides of the bottom surface of an installation frame (6), a plurality of heat exchange tubes (2) arranged side by side are fixedly connected to both sides of the installation frame (6), and both ends of the heat exchange tubes (2) are respectively located at the flue gas, meanwhile, a tube cavity (12) for placing and installing a plurality of capillary heat tubes (4) is formed in the heat exchange tube (2).

2. The heat pipe type flue gas waste heat recovery device according to claim 1, wherein an induced draft fan is installed at the flue gas outlet end.

3. A heat pipe type flue gas waste heat recovery device according to claim 1, wherein the inner wall of the pipe cavity (12) is welded with a plurality of fixing rods (11), the other end of each fixing rod (11) is welded with a plurality of capillary heat pipes (4) on the outer ring, the plurality of capillary heat pipes (4) on the outer ring are fixedly connected with the plurality of capillary heat pipes (4) on the inner ring through a plurality of forked rods (10) arranged at equal intervals, and the capillary heat pipes (4) extend along the axial direction of the heat exchange pipes (2).

4. A heat pipe type flue gas waste heat recovery device according to claim 1, wherein a gas collecting baffle (8) is disposed at the periphery of the flue gas inlet end of the box body (1), the flue gas inlet end is surrounded by the gas collecting baffle (8) to achieve a gas collecting effect, coaxial threaded holes are formed in one side of the gas collecting baffle (8) corresponding to the surface of the box body (1), and the fixing bolt (9) is screwed into the threaded holes to fix the gas collecting baffle (8) on the box body (1).

5. A heat pipe type flue gas waste heat recovery device according to claim 1, wherein one end of the rotating shaft (13) is fixedly connected to the inner wall of the corresponding box cavity (7) above the mounting frame (6), and the other end of the rotating shaft (13) is rotatably connected to a limiting plate (14), and when the limiting plate (14) rotates to the lower side, the limiting plate is in sliding contact with the upper surface of the mounting frame (6).