CN220649182U

CN220649182U - Heat exchange device for air flow

Info

Publication number: CN220649182U
Application number: CN202322332703.1U
Authority: CN
Inventors: 赵章; 赵梓楠; 许坤; 许会成; 连飞; 花婷; 董德英
Original assignee: Hebei Lixin Chemistry Co ltd
Current assignee: Hebei Lixin Chemistry Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-22
Anticipated expiration: 2033-08-29

Abstract

The utility model provides a heat exchange device for airflow, which belongs to the technical field of heat exchange devices and comprises a bracket, a first heat radiating unit, a second heat radiating unit and a transfer box. The first radiating unit and the second radiating unit comprise a radiating box, a connecting pipe and a plurality of radiating pipes, the radiating box is fixedly connected with the support, one end of the connecting pipe is fixedly connected with the radiating box, the connecting pipe is communicated with the inside of the radiating box, the first end of the radiating pipe is fixedly connected with the radiating box, the second end of the radiating pipe is fixedly connected with the transfer box, and the radiating pipe is communicated with the inside of the radiating box and the transfer box. According to the heat exchange device for the air flow, the air flow exchanges heat with the outside through the heat dissipation boxes, the connecting pipes and the plurality of heat dissipation pipes in the first heat dissipation unit and the second heat dissipation unit, so that the temperature of the air flow entering the cloth bag dust removal equipment is reduced, and the problem that the cloth bag is damaged when the air flow is directly introduced into the cloth bag dust removal equipment due to the fact that the temperature of the air flow coming out of the air outlet of the lime kiln is higher is avoided.

Description

Heat exchange device for air flow

Technical Field

The utility model belongs to the technical field of heat exchange devices, and particularly relates to a heat exchange device for airflow.

Background

In the production of calcium carbonate, raw materials such as limestone and the like are required to be calcined in a lime kiln so as to generate CaO and carbon dioxide, and then air flow coming out of an air outlet of the lime kiln is purified through cloth bag dust removing equipment. Because the temperature of the air flow coming out of the air outlet of the lime kiln is higher, if the air flow is directly connected into the cloth bag dust removing equipment, the damage to the cloth bag in the cloth bag dust removing equipment can be caused, thereby reducing the service life of the cloth bag.

Disclosure of Invention

The utility model aims to provide a heat exchange device for air flow, which aims to solve the problem that the air flow coming out of an air outlet of a lime kiln has higher temperature and can damage a cloth bag when being directly led into cloth bag dust removing equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat exchange device for airflow is provided, which comprises a bracket, a first heat radiating unit, a second heat radiating unit and a transfer box. The support is fixedly arranged on the ground. The first radiating unit and the second radiating unit comprise radiating boxes, connecting pipes and a plurality of radiating pipes, the radiating boxes are fixedly connected with the support, one ends of the connecting pipes are fixedly connected with the radiating boxes, the connecting pipes are communicated with the radiating boxes, the first ends of the radiating pipes are fixedly connected with the radiating boxes, and the radiating pipes are communicated with the radiating boxes. The transfer box is fixedly connected with the second ends of all the radiating pipes, and the radiating pipes are communicated with the interior of the transfer box.

In one possible implementation manner, the first heat dissipation unit and the second heat dissipation unit are arranged at intervals along a first horizontal direction, and the transfer box is located above the heat dissipation box.

In one possible implementation manner, at least one discharge port is arranged on the side portion of the heat dissipation box, and a sealing plate for sealing the discharge port is detachably connected to the discharge port.

In one possible implementation, the bottom of the heat dissipation case has a downward-raised arc structure.

In one possible implementation, each of the discharge ports is provided with a connection assembly, and the connection assembly includes a sleeve plate and a first connection bolt. The sleeve plate is annular and sleeved and fixed outside the discharge hole at the position. The cover plate is characterized in that a plurality of first connecting bolts are arranged, screws of the first connecting bolts penetrate through the cover plate and the cover plate, first connecting nuts are connected to the screws of the first connecting bolts in a threaded mode, and the heads of the first connecting bolts and the first connecting nuts are used for clamping the cover plate and the cover plate in a matched mode so that the cover plate extrudes the cover plate.

In one possible implementation, the connection assembly further comprises a first annular seal. The first annular sealing gasket is located between the sleeve plate and the cover plate, and the first annular sealing gasket is in fit with the sleeve plate and the cover plate.

In one possible implementation manner, the transfer box is separately arranged and comprises a box body and a box cover detachably connected with the box body, wherein the upper end of the box body is an open end, and the box cover covers the upper end of the box body.

In one possible implementation, the heat exchange device for air flow further comprises a rubber stopper and a gravity block. The rubber stopper is cylindrical structure, the rubber stopper is used for sliding and penetrates in the cooling tube. The gravity block is fixedly arranged on the rubber plug and can penetrate into the radiating pipe along with the rubber plug.

In one possible implementation, the heat exchange device for air flow further comprises a pull rope. One end of the traction rope is fixedly connected with the gravity block.

In one possible implementation, the heat exchange device for air flow further comprises a circular plate. The diameter of the circular plate is larger than the inner diameter of the heat dissipation pipe, and the circular plate is fixedly connected with the other end of the traction rope.

In this embodiment, with the gas outlet intercommunication of connecting pipe and the limekiln in the first radiating element, connecting pipe and the sack cleaner intercommunication in the second radiating element, the air current that the gas outlet of limekiln comes out gets into the connecting pipe in the first radiating element in proper order, the radiating pipe in the first radiating element, the transfer case, the radiating pipe in the second radiating element, the radiating box in the second radiating element, the connecting pipe in the second radiating element, sack cleaner, in this process, the air current carries out the heat exchange with the external through the radiating box in first radiating element and the second radiating element, connecting pipe and a plurality of radiating pipes, thereby the temperature of the air current that gets into sack cleaner has been reduced, and then the temperature of the air current that has avoided the gas outlet of limekiln to come out is higher, directly let in the air current the problem that sack cleaner can harm the sack.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic axial view of a heat exchange device for air flow according to a first embodiment of the present utility model;

FIG. 2 is a schematic sectional view of an axial sectional structure of a heat dissipating box in a heat exchange device for air flow according to a first embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

FIG. 4 is a schematic axial view of a heat exchange device for air flow according to a second embodiment of the present utility model;

FIG. 5 is a schematic diagram showing an isometric sectional structure of a transfer box in a heat exchange device for air flow according to a second embodiment of the present utility model;

fig. 6 is a schematic diagram of an axial structure of a rubber plug, a gravity block, a hauling rope and a circular plate in a heat exchange device for air flow according to a second embodiment of the present utility model.

In the figure: 1. a bracket; 2. a first heat dissipation unit; 3. a second heat dissipation unit; 231. a heat radiation box; 2311. a discharge port; 2312. a cover plate; 2313. a sleeve plate; 2314. a first connecting bolt; 2315. a first coupling nut; 2316. a first annular seal; 232. a connecting pipe; 233. a heat radiating pipe; 4. a transfer box; 41. a case; 411. folding edges; 42. a case cover; 43. a second connecting bolt; 44. a second coupling nut; 45. a second annular seal; 5. a rubber stopper; 6. a gravity block; 7. a traction rope; 8. and a circular plate.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model 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 for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be further noted that the drawings and embodiments of the present utility model mainly describe the concept of the present utility model, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present utility model.

When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the same sense as the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.

Referring to fig. 1 and 4 together, a heat exchange device for air flow according to the present utility model will now be described. The heat exchange device for the air flow comprises a bracket 1, a first heat radiating unit 2, a second heat radiating unit 3 and a transfer box 4. The bracket 1 is fixedly arranged on the ground. The first heat dissipation unit 2 and the second heat dissipation unit 3 comprise a heat dissipation box 231, a connecting pipe 232 and a plurality of heat dissipation pipes 233, wherein the heat dissipation box 231 is fixedly connected with the support 1, one end of the connecting pipe 232 is fixedly connected with the heat dissipation box 231, the connecting pipe 232 is communicated with the inside of the heat dissipation box 231, the first end of the heat dissipation pipe 233 is fixedly connected with the heat dissipation box 231, and the heat dissipation pipe 233 is communicated with the inside of the heat dissipation box 231. The transfer box 4 is fixedly connected with the second ends of all the radiating pipes 233, and the radiating pipes 233 are communicated with the interior of the transfer box 4.

Compared with the prior art, the heat exchange device for the air flow provided by the utility model has the advantages that the connecting pipe 232 in the first radiating unit 2 is communicated with the air outlet of the lime kiln, the connecting pipe 232 in the second radiating unit 3 is communicated with the cloth bag dust removing equipment, the air flow from the air outlet of the lime kiln sequentially enters the connecting pipe 232 in the first radiating unit 2, the radiating box 231 in the first radiating unit 2, the radiating pipe 233 in the first radiating unit 2, the transit box 4, the radiating pipe 233 in the second radiating unit 3, the radiating box 231 in the second radiating unit 3, the connecting pipe 232 in the second radiating unit 3 and the cloth bag dust removing equipment, and in the process, the air flow exchanges heat with the outside through the radiating boxes 231, the connecting pipe 232 and the plurality of radiating pipes 233 in the first radiating unit 2 and the second radiating unit 3, so that the temperature of the air flow entering the cloth bag dust removing equipment is reduced, and the problem that the air flow from the air outlet of the lime kiln is higher in temperature and directly enters the cloth bag dust removing equipment is avoided.

In some embodiments, referring to fig. 1 and 2, the first heat dissipating unit 2 and the second heat dissipating unit 3 are disposed at intervals along the first horizontal direction, and the transfer box 4 is located above the heat dissipating box 231. The floor space of the device can be made smaller by arranging the transfer box 4 and the heat dissipation box 231 up and down. In this embodiment, the heat dissipating tube 233 is vertically disposed, and has an upper end fixedly connected to the transfer box 4 and a lower end fixedly connected to the heat dissipating box 231.

In some embodiments, the above-described feature heat-dissipating box 231 may take the structure shown in fig. 2 and 3. Referring to fig. 2 and 3, at least one discharge port 2311 is provided at a side of the heat dissipating tank 231, and a cover 2312 for covering the discharge port 2311 is detachably connected to the discharge port 2311. After the device is used for a period of time, some dust can be accumulated in the heat dissipation box 231, at the moment, the sealing cover plate 2312 can be removed, and then the dust in the heat dissipation box 231 is cleaned out of the heat dissipation box 231 through the discharging hole 2311.

In some embodiments, the above-described feature heat-dissipating box 231 may be configured as shown in fig. 2. Referring to fig. 2, the bottom of the heat dissipating case 231 has a downwardly bulged arc-shaped structure. Thus, dust in the heat dissipation case 231 can be collected in a narrow space at the bottom of the heat dissipation case 231, and cleaning is facilitated.

In some embodiments, referring to fig. 2 and 3, a connection assembly is provided at each of the ports 2311, the connection assembly including a sleeve plate 2313 and a first connection bolt 2314. The sleeve plate 2313 is annular and sleeved outside the discharge hole 2311 fixed at the position. The first connecting bolts 2314 are multiple, screws of the first connecting bolts 2314 penetrate through the sleeve plate 2313 and the cover plate 2312, first connecting nuts 2315 are connected to the screws of the first connecting bolts 2314 in a threaded mode, and the heads of the first connecting bolts 2314 and the first connecting nuts 2315 are used for clamping the sleeve plate 2313 and the cover plate 2312 in a matched mode, so that the cover plate 2312 presses the sleeve plate 2313. The cover 2312 and the sleeve 2313 are detachably connected by the first connection bolt 2314 and the first connection nut 2315, that is, the cover 2312 and the discharge port 2311 are detachably connected.

In some embodiments, the above-described feature connection assembly may take the configuration shown in fig. 2 and 3. Referring to fig. 2 and 3, the connection assembly further includes a first annular seal 2316. First annular seal 2316 is positioned between sleeve plate 2313 and closure plate 2312, and first annular seal 2316 is positioned in conforming relationship with both sleeve plate 2313 and closure plate 2312. The seal between sleeve plate 2313 and closure plate 2312 may be ensured by a first annular gasket 2316. The screw of the first connection bolt 2314 may pass through the first annular gasket 2316.

In some embodiments, referring to fig. 4 and 5, the transfer box 4 is separately provided and includes a box 41 and a box cover 42 detachably connected to the box 41, the upper end of the box 41 is an open end, and the box cover 42 covers the upper end of the box 41. When the device is used for a period of time, dust is attached to the inner surface of the transfer box 4, so that the heat exchange efficiency of the air flow in the transfer box 4 is affected, at the moment, the box cover 42 is removed, and then the inner surface of the box body 41 and the dust on the box cover 42 are cleaned.

Further, the upper end of the case 41 has an outward flange 411, the case cover 42 covers the flange 411, the case 41 further includes a plurality of second connecting bolts 43, the screws of the second connecting bolts 43 penetrate through the case cover 42 and the flange 411, the screws of the second connecting bolts 43 are in threaded connection with second connecting nuts 44, and the heads of the second connecting bolts 43 and the second connecting nuts 44 are used for clamping the flange 411 and the case cover 42 in a matching manner so that the case cover 42 presses the flange 411. The cover 42 is detachably connected to the flange 411 by means of the second connecting screw 43 and the second connecting nut 44, i.e. the cover 42 is detachably connected to the housing 41.

Further, the case 41 further includes a second annular gasket 45. The second annular gasket 45 is located between the case cover 42 and the flange 411, and the second annular gasket 45 is attached to both the case cover 42 and the flange 411. The second annular gasket 45 ensures a seal between the cover 42 and the flange 411. The shank of the second connection bolt 43 may pass through the second annular packing 45.

In some embodiments, referring to fig. 5 and 6, the heat exchange device for air flow further comprises a rubber stopper 5 and a gravity block 6. The rubber plug 5 has a cylindrical structure, and the rubber plug 5 is used for sliding into the radiating pipe 233. The gravity block 6 is fixedly arranged on the rubber plug 5 and can penetrate into the radiating pipe 233 along with the rubber plug 5. After the case lid 42 is opened, the rubber plug 5 and the gravity block 6 penetrate into the heat dissipation tube 233 through the hole formed in the case 41 and communicated with the heat dissipation tube 233, and the gravity block 6 is located above the rubber plug 5, and under the gravity action of the gravity block 6, the rubber plug 5 slides downwards along the heat dissipation tube 233, so as to clean dust on the inner wall of the heat dissipation tube 233, and prevent the dust attached to the inner wall of the heat dissipation tube 233 from affecting the efficiency of heat exchange between the air flow in the heat dissipation tube 233 and the outside.

In some embodiments, see fig. 6, the heat exchange device for an air flow further comprises a pull rope 7. One end of the traction rope 7 is fixedly connected with the gravity block 6. The rubber stopper 5 and the weight 6 are prevented from sliding down out of the radiating pipe 233 by the pulling string 7.

In some embodiments, referring to fig. 6, the heat exchange device for the air flow further comprises a circular plate 8. The diameter of the circular plate 8 is larger than the inner diameter of the radiating pipe 233, and the circular plate 8 is fixedly connected with the other end of the traction rope 7. Since the diameter of the circular plate 8 is larger than the inner diameter of the radiating pipe 233, the circular plate 8 cannot enter the radiating pipe 233. When the rubber stopper 5 and the gravity block 6 are slid into the heat dissipation pipe 233, the circular plate 8 pulls the gravity block 6 through the pulling rope 7, thereby preventing the rubber stopper 5 and the gravity block 6 from sliding down out of the heat dissipation pipe 233.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A heat exchange device for a gas stream, comprising:

the bracket is fixedly arranged on the ground;

the first radiating unit and the second radiating unit comprise radiating boxes, connecting pipes and a plurality of radiating pipes, the radiating boxes are fixedly connected with the support, one ends of the connecting pipes are fixedly connected with the radiating boxes, the connecting pipes are communicated with the inside of the radiating boxes, the first ends of the radiating pipes are fixedly connected with the radiating boxes, and the radiating pipes are communicated with the inside of the radiating boxes; and

and the transfer box is fixedly connected with the second ends of all the radiating pipes, and the radiating pipes are communicated with the interior of the transfer box.

2. The heat exchange device for air flow according to claim 1, wherein the first heat radiating unit and the second heat radiating unit are disposed at intervals along a first horizontal direction, and the transfer box is located above the heat radiating box.

3. The heat exchange device for air flow according to claim 2, wherein the side portion of the heat radiation box is provided with at least one discharge port, and a cover plate for covering the discharge port is detachably connected to the discharge port.

4. A heat exchange device for an air stream according to claim 3 wherein the bottom of the heat dissipating tank has a downwardly convex arcuate configuration.

5. A heat exchange device for a gas stream according to claim 3 wherein a connection assembly is provided at each of said discharge ports, said connection assembly comprising:

the sleeve plate is annular and sleeved and fixed outside the discharge hole at the position;

the cover plate is characterized by comprising a plurality of first connecting bolts, wherein screws of the first connecting bolts penetrate through the cover plate and the cover plate, first connecting nuts are connected to the screws of the first connecting bolts in a threaded mode, and the heads of the first connecting bolts and the first connecting nuts are used for clamping the cover plate and the cover plate in a matched mode so that the cover plate extrudes the cover plate.

6. The heat exchange device for a gas stream according to claim 5, wherein the connection assembly further comprises:

the first annular sealing gasket is positioned between the sleeve plate and the cover plate and is in fit arrangement with the sleeve plate and the cover plate.

7. A heat exchange device for air flow according to claim 3, wherein the transfer box is provided separately and comprises a box body and a box cover detachably connected with the box body, the upper end of the box body is an open end, and the box cover covers the upper end of the box body.

8. The heat exchange device for a gas stream according to claim 7, further comprising:

the rubber plug is in a cylindrical structure and is used for penetrating into the radiating pipe in a sliding manner;

the gravity block is fixedly arranged on the rubber plug and can slide along with the rubber plug to penetrate into the radiating pipe.

9. The heat exchange device for a gas stream according to claim 8, further comprising:

one end of the traction rope is fixedly connected with the gravity block.

10. The heat exchange device for a gas stream according to claim 9, further comprising:

the diameter of the circular plate is larger than the inner diameter of the heat dissipation pipe, and the circular plate is fixedly connected with the other end of the traction rope.