CN219264988U

CN219264988U - Expanded waste heat utilization device of pearlite

Info

Publication number: CN219264988U
Application number: CN202320098923.XU
Authority: CN
Inventors: 黄冠锦; 黄诗安; 谭永丽; 谭永贵
Original assignee: Xinyang Pingqiao Sitong Thermal Insulation Material Co ltd
Current assignee: Xinyang Pingqiao Sitong Thermal Insulation Material Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-06-27
Anticipated expiration: 2033-02-02

Abstract

The utility model relates to the technical field of perlite puffing equipment, in particular to a perlite puffing waste heat utilization device, which comprises a puffing furnace, wherein a feeding mechanism is arranged at a feeding port of the puffing furnace, a heat collecting pipe is arranged at the top of one side of the puffing furnace, a first heat recovery pipe and a second heat recovery pipe are respectively communicated with the heat collecting pipe, the first heat recovery pipe is connected to the feeding mechanism, an outer sleeve is coated on the second heat recovery pipe, a water inlet pipe and a water outlet pipe are respectively connected to the bottom and the top of the outer sleeve, and a plurality of metal partition plates are arranged on the inner wall of the second heat recovery pipe. The utility model has the advantages of simple result, high residual heat utilization rate and high heat exchange efficiency.

Description

Expanded waste heat utilization device of pearlite

Technical Field

The utility model relates to the technical field of perlite puffing equipment, in particular to a perlite puffing waste heat utilization device.

Background

Currently, expansion furnaces are commonly used in the production practice of perlite expansion. In the whole production process, the ore sand needs to be preheated and dried before entering the puffing furnace, the heat source during preheating is usually treated by an external heat source, and in order to prevent energy consumption loss, in consideration of the problem of waste heat utilization, the part of the heat generated by the puffing furnace is collected and then is sent to a preheating device, and the other part of the heat is sent to a life heating facility; however, in the prior art, heat generated by the expansion furnace directly passes through a life heating facility in the discharging process, the contact time with the heat collecting equipment is limited, the short-distance heat exchange efficiency is low, and the residual heat utilization rate is low.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme.

The utility model provides a expanded waste heat utilization equipment of pearlite, includes the bulking stove the feed inlet of bulking stove is equipped with feed mechanism one side top of bulking stove is equipped with the heat collecting pipe communicate respectively on the heat collecting pipe has first heat recovery pipe and second heat recovery pipe, first heat recovery pipe is connected to feed mechanism the cladding has the outer tube on the second heat recovery pipe the bottom and the top of outer tube are connected with inlet tube and outlet pipe respectively be equipped with a plurality of metal baffles that make the air current be the S shape and pass through on the inner wall of second heat recovery pipe.

Preferably, the feeding mechanism comprises an outer cylinder and an inner cylinder fixed inside the outer cylinder, a cavity is reserved between the inner cylinder and the outer cylinder, a preheating pipe is coiled on the outer wall of the inner cylinder, an outlet of the preheating pipe extends out of the outer cylinder, an inlet of the preheating pipe is communicated with the first heat recovery pipe, and a feeding hole extending out of the outer cylinder is formed in one end of the inner cylinder.

Preferably, the metal partition plates are provided with air flow holes, and the air flow holes on two adjacent metal partition plates are staggered up and down, so that the air flow in the second heat recovery pipe passes through the air flow holes in an S shape.

Preferably, the metal partition plates are distributed in the second heat recovery pipe in a dog-tooth staggered mode, and spaces for air flow to pass through are reserved among the metal partition plates.

Preferably, a slot is formed in the partition board, a heat dissipation plate extending into the outer sleeve is inserted in the slot, and the heat dissipation plate is in interference fit with the slot.

Preferably, the heat dissipation plate is made of copper.

The utility model has the beneficial effects that:

according to the utility model, one part of heat generated by the bulking furnace is transmitted to the feeding mechanism, the other part of the heat is used for heating living facilities, the outer sleeve is wrapped on the second heat recovery pipe, the metal partition plate is arranged in the heat recovery pipe, and through arranging the air flow holes on the metal partition plate or arranging the dog teeth of the metal partition plate in a staggered manner, the recycled flue gas passes along the S-shaped channel when passing through the second heat recovery pipe, so that the residence time of hot air flow in the second heat recovery pipe can be prolonged, the heat exchange efficiency and the heat utilization rate are improved, and the heat can be transmitted into the outer sleeve through the second heat recovery pipe and the heat dissipation plate together, so that living water in the outer sleeve is heated, the heat is recycled, and the waste of energy consumption is avoided.

Drawings

FIG. 1 is a schematic overall construction of the structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure between the outer jacket and the second heat recovery tube;

FIG. 3 is a schematic view of the structure between the outer jacket tube and the second heat recovery tube in another embodiment of the present utility model;

the reference numerals in the figures are: the device comprises a feeding port 1, an outer cylinder 2, a preheating pipe 3, an inner cylinder 4, a first heat recovery pipe 5, a puffing furnace 6, a heat collection pipe 7, a second heat recovery pipe 8, an outer sleeve 9, a water outlet pipe 10, a water inlet pipe 11, a partition plate 12, a gas flow hole 13, a heat dissipation plate 14 and a slot 15.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1

The utility model provides a pearlite popped waste heat utilization equipment, as shown in fig. 1-2, including popping stove 6, be equipped with feed mechanism at the feed inlet 1 of popping stove 6, be equipped with heat collecting pipe 7 at the one side top of popping stove 6, be equipped with the filter that is arranged in with impurity filtration in the flue gas in heat collecting pipe 7, it has first heat recovery pipe 5 and second heat recovery pipe 8 to communicate respectively on heat collecting pipe 7, first heat recovery pipe 5 is connected to feed mechanism, the cladding has outer tube 9 on second heat recovery pipe 8, second heat recovery pipe 8 is made for the material that thermal conductivity is high, and in order to prevent the heat loss in the second heat recovery pipe 8 of both ends around outer tube 9, can prevent heat loss at its outside cladding asbestos layer and iron sheet layer in proper order, be connected with inlet tube 11 and outlet pipe 10 respectively at the bottom and the top of outer tube 9, be equipped with a plurality of metal baffles 12 that make the air current take the S shape through on the inner wall of second heat recovery pipe 8. The metal partition plates 12 are provided with air flow holes 13, and the air flow holes 13 on two adjacent metal partition plates 12 are staggered up and down, so that the air flow in the second heat recovery pipe 8 passes through the air flow holes 13 in an S shape. The residence time of the air flow in the second heat recovery tube 8 is prolonged, and the heat exchange efficiency is improved. Adjusting valves may be provided on the first heat recovery pipe 5 and the second heat recovery pipe 8 to adjust the intake air amounts required for both. The water outlet pipe 10 can be used for connecting a hot water tower in life and used for domestic water.

The feeding mechanism comprises an outer cylinder 2 and an inner cylinder 4 fixed inside the outer cylinder 2, a cavity is reserved between the inner cylinder 4 and the outer cylinder 2, a preheating pipe 3 is coiled on the outer wall of the inner cylinder 4, an outlet of the preheating pipe 3 extends out of the outer cylinder 2, an inlet of the preheating pipe is communicated with a first heat recovery pipe 5, and a feeding port 1 extending out of the outer cylinder 2 is arranged at one end of the inner cylinder 4. The preheating pipe 3 is coiled on the inner cylinder 4, so that the materials in the inner cylinder 4 can be uniformly preheated. A conveying shaft is rotationally arranged in the inner cylinder 4, a spiral conveying blade for conveying materials is arranged on the conveying shaft, a driving motor is arranged on the outer wall of the outer cylinder 2, and an output shaft of the driving motor penetrates through the outer cylinder 2 and the inner cylinder 4 and is coaxially arranged with the conveying shaft.

Example 2

The perlite expansion waste heat utilization device is different from the embodiment 1 in that, as shown in fig. 3, the metal partition plates 12 are distributed in the second heat recovery tube 8 in a dog-tooth staggered manner, and spaces for air flow to pass through are reserved among the plurality of metal partition plates 12. The space between the metal plates 12 is enabled to be S-shaped to pass through so as to prolong the residence time of the hot air flow in the second heat recovery pipe 8, improve the heat exchange efficiency and the heat utilization rate, a slot 15 is formed in the partition plate 12, a heat dissipation plate 14 extending into the outer sleeve 9 is inserted into the slot 15, the heat dissipation plate 14 is made of copper, the copper has extremely strong heat conduction capability, heat on the metal partition plate 12 can be transferred into the outer sleeve 9, and the heat dissipation plate 14 is in interference fit with the slot 15.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but although the present utility model 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 technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a expanded waste heat utilization device of pearlite, includes bulking stove (6) feed inlet (1) of bulking stove (6) are equipped with feed mechanism one side top of bulking stove (6) is equipped with heat collecting pipe (7), its characterized in that heat collecting pipe (7) are last to be linked together respectively have first heat recovery pipe (5) and second heat recovery pipe (8), first heat recovery pipe (5) are connected to feed mechanism second heat recovery pipe (8) are last to be coated with outer tube (9) the bottom and the top of outer tube (9) are connected with inlet tube (11) and outlet pipe (10) respectively be equipped with a plurality of metal separator plates (12) that make the air current be the S shape and pass through in second heat recovery pipe (8).

2. The perlite expansion waste heat utilization device of claim 1, wherein: the feeding mechanism comprises an outer cylinder (2) and an inner cylinder (4) fixed inside the outer cylinder (2), a cavity is reserved between the inner cylinder (4) and the outer cylinder (2), a preheating pipe (3) is coiled on the outer wall of the inner cylinder (4), an outlet of the preheating pipe (3) extends out of the outer cylinder (2), an inlet of the preheating pipe is communicated with a first heat recovery pipe (5), and a feeding hole (1) extending out of the outer cylinder (2) is formed in one end of the inner cylinder (4).

3. The perlite expansion waste heat utilization device of claim 1, wherein: the metal partition plates (12) are provided with air flow holes (13), and the air flow holes (13) on two adjacent metal partition plates (12) are staggered up and down, so that the air flow in the second heat recovery pipe (8) passes through the air flow holes (13) in an S shape.

4. The perlite expansion waste heat utilization device of claim 1, wherein: the metal partition plates (12) are distributed in the second heat recovery pipe (8) in a dog-tooth staggered mode, and spaces for air flow to pass through are reserved among the metal partition plates (12).

5. The perlite expansion waste heat utilization device of claim 4, wherein: the metal partition plate (12) is provided with a slot (15), the slot (15) is internally provided with a heat dissipation plate (14) extending into the outer sleeve (9), and the heat dissipation plate (14) is in interference fit with the slot (15).

6. The perlite expansion waste heat utilization device of claim 5, wherein: the heat dissipation plate (14) is made of copper.