CN212253368U - Closed cycle fluidized drying machine - Google Patents
Closed cycle fluidized drying machine Download PDFInfo
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- CN212253368U CN212253368U CN202020809393.1U CN202020809393U CN212253368U CN 212253368 U CN212253368 U CN 212253368U CN 202020809393 U CN202020809393 U CN 202020809393U CN 212253368 U CN212253368 U CN 212253368U
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Abstract
The utility model belongs to the technical field of drying equipment, it discloses a closed cycle fluidized drying machine, include heater, fluidized drying machine body, cyclone, sack cleaner and the fan that connects gradually through the pipeline according to the wind path, be equipped with a heat transfer equipment that is used for the hot air of fan output and the cold air heat transfer of input heater between the air-out end of fan and the air inlet end of heater, be equipped with hot air flow chamber, cold air flow chamber in the heat transfer equipment, the input in cold air flow chamber switches on with the atmosphere, its output with the air inlet end of heater is connected; the input end of the hot air flow cavity is connected with the air outlet end of the fan, and the output end of the hot air flow cavity is communicated with the atmosphere. The closed-cycle boiling dryer effectively improves the heat efficiency of the circulating system under the condition that the recycled hot air does not enter the circulating system, and prevents dust in the recycled hot air from accumulating in equipment to influence the normal work of the equipment.
Description
Technical Field
The utility model relates to a drying equipment technical field specifically is a closed cycle fluidized drying machine.
Background
Applicant's king yanqiong has proposed a utility model patent publication No. CN201688655U in 2010, and it discloses a closed cycle fluidized drying machine, including fluidized drying machine host computer, condenser, fan and heater, fluidized drying machine host computer includes end barrel, hopper, well barrel and last barrel, and the air outlet on fluidized drying machine host computer upper portion passes through the pipeline and inserts the condenser, and the condenser export passes through the pipeline and inserts the fan, and the fan export passes through the pipeline and inserts the heater, and the heater export passes through the pipeline and inserts fluidized drying machine host computer.
The prior art has the problems that in the scheme of the closed-loop circulation boiling dryer, the scheme has various embodiments, but for hot air used by the boiling dryer, the hot air is subjected to dust removal treatment or is not subjected to dust removal treatment and then is introduced into a heater, so that the cyclic utilization of the hot air is realized; the dust which is not subjected to dust treatment has a large amount of dust, which has certain influence on equipment, and the hot air subjected to dust removal treatment also has trace amount of dust, which can generate dust accumulation after long-term work; although the above solution mentioned that the air filter is provided at the output end of the heater, it cannot filter the re-used hot air entering the heater.
Therefore, the technical problem to be solved by the application is as follows: how to realize that the thermal efficiency of the circulating system is improved under the condition that the recycled hot air does not enter the circulating system, and the dust in the recycled hot air is prevented from being accumulated in the equipment so as to influence the normal work of the equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a closed circulation boiling dryer, this closed circulation boiling dryer realize improving the thermal efficiency of circulation system under the condition that the hot-air of recycling does not get into circulation system effectively, thereby prevent to recycle the dust in the hot-air and accumulate in equipment and influence the normal work of equipment.
In order to achieve the above object, the utility model provides a following technical scheme: a closed cycle boiling dryer comprises a heater, a boiling dryer body, a cyclone dust collector, a bag-type dust collector and a fan which are sequentially connected through a pipeline according to an air path, wherein a heat exchange device for heat exchange between hot air output by the fan and cold air input into the heater is arranged between an air outlet end of the fan and an air inlet end of the heater; the input end of the hot air flow cavity is connected with the air outlet end of the fan, and the output end of the hot air flow cavity is communicated with the atmosphere.
In the closed cycle fluidized drying machine, the heat exchange equipment is internally provided with a partition plate which is vertically arranged and divides the inner cavity of the heat exchange equipment into equal parts, and a first gap is arranged between the partition plate and the heat exchange equipment; the heat exchanger is characterized in that a plurality of heat exchange plates arranged side by side are arranged on two sides of the partition plate, second notches are arranged between the heat exchange plates and the heat exchange equipment, 2 adjacent second notches are arranged oppositely, and the second notches arranged on two sides of the partition plate are arranged oppositely to the first notches.
In the closed-cycle boiling dryer, the cold air flow chamber is a cold air pipeline arranged on the heat exchange plate in a serpentine arrangement manner, and the cold air pipeline passes through the first notch to connect the heat exchange plates on two sides of the partition plate; and a cavity formed by matching the partition plate, the heat exchange plate, the first notch and the second notch is a hot air flow cavity.
In the closed cycle boiling dryer, the heat exchange equipment is provided with an input port and an output port of the hot air flow cavity, and an input port and an output port of the cold air flow cavity, which are arranged opposite to the second notch close to the end part of the heat exchange equipment; the input port of the cold air flow cavity and the output port of the hot air flow cavity are arranged at one end of the heat exchange equipment, and the output port of the cold air flow cavity and the input port of the hot air flow cavity are arranged at the other end of the heat exchange equipment.
In the closed cycle boiling dryer, a detachable first filter screen is arranged on the hot air outlet; an exhaust fan is arranged on the cold air input port, and a detachable second filter screen is arranged on the input end of the exhaust fan.
In the closed cycle fluidized drying machine, the top of the inner cavity of the heat exchange device is provided with a plurality of spray headers, the bottom of the heat exchange device is provided with a row of water tanks, and the heat exchange device is communicated with the water tanks through a plurality of water outlets arranged at the bottom of the heat exchange device.
In the closed cycle boiling dryer, a first valve is arranged on a pipeline between the fan and the bag-type dust collector, an air inlet pipe communicated with the pipeline is arranged between the first valve and the fan, and a second valve is arranged on the air inlet pipe.
In the closed cycle boiling dryer, the cyclone dust collector and the bag-type dust collector are 2 arranged side by side, and the bottoms of the cyclone dust collector and the bag-type dust collector are respectively provided with a recovery barrel which is detachably connected and used for material recovery.
Compared with the prior art, the beneficial effects of the utility model are that:
in the novel implementation, the path of the cold air flow cavity and the hot air flow cavity effectively improves the heat exchange effect of the equipment, the cold air flow cavity and the hot air flow cavity are not interfered with each other, only a heat exchange process exists between the cold air flow cavity and the hot air flow cavity, and the cold air after heat exchange enters the heater to be heated, so that the heat efficiency of the circulating system is effectively improved, and meanwhile, the dust in the recycled hot air is prevented from being accumulated in the heater and other equipment to influence the normal work of the equipment;
the spray header is arranged on the heat exchange equipment, when the equipment is stopped, the spray header can be used for spraying the heat exchange equipment, and dust which is accumulated on the heat exchange equipment and brought by recycled hot air is washed, so that the normal operation of the heat exchange equipment is effectively ensured;
after the heat exchange equipment is washed, the first valve can be closed, the second valve is opened, the inner cavity of the heat exchange equipment is timely air-dried by blowing air of the fan, the structure of the inner cavity of the heat exchange equipment is prevented from rusting, and the normal operation of the heat exchange equipment is ensured.
Drawings
FIG. 1 is a structural view of embodiment 1 of the present invention;
fig. 2 is an internal structure view of the heat exchange device of embodiment 1 without the overlooking of the shower head.
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.
Example 1
Referring to fig. 1-2, a closed cycle fluidized drying machine includes a heater 1, a fluidized drying machine body 2, a cyclone dust collector 3, a bag-type dust collector 4 and a fan 5 connected in sequence through a pipeline a according to an air path, a heat exchange device 6 for heat exchange between hot air output by the fan 5 and cold air input into the heater 1 is arranged between an air outlet end of the fan 5 and an air inlet end of the heater 1, a hot air flow cavity 61 and a cold air flow cavity 62 are arranged in the heat exchange device 6, an input end of the cold air flow cavity 62 is communicated with the atmosphere, and an output end thereof is connected with the air inlet end of the heater 1; the input end of the hot air flow cavity 61 is connected with the air outlet end of the fan 5, and the output end of the hot air flow cavity is communicated with the atmosphere.
In practical application, the work flow is as follows: the hot air required by the boiling dryer body 2 is provided by the heater 1, the hot air used by the boiling dryer body 2 is input into the heat exchange equipment 6 by the fan 5 after being dedusted by the cyclone dust collector 3 and the bag-type dust collector 4, the heat exchange between the hot air and the cold air is realized by the heat exchange equipment 6, the cold air after the heat exchange is finished is input into the heater 1 again for heating, the closed cycle of the boiling dryer is realized by the above mode, the heat efficiency of the circulating system is improved, and the energy conservation and the environmental protection are realized.
Preferably, a partition plate 63 which is vertically arranged and divides the inner cavity of the heat exchange device 6 equally is arranged in the heat exchange device 6, and a first gap 64 is arranged between the partition plate 63 and the heat exchange device 6; a plurality of heat exchange plates 65 arranged side by side are arranged on two sides of the partition plate 63, second notches 66 are arranged between the heat exchange plates 65 and the heat exchange equipment 6, the adjacent 2 second notches 66 are oppositely arranged, and the second notches 66 arranged on two sides of the partition plate 63 are oppositely arranged with the first notches 64.
The cold air flow cavity 62 is a cold air pipeline which is arranged on the heat exchange plates 65 in a serpentine arrangement, the cold air pipeline passes through a first notch 64 to connect the heat exchange plates 65 on two sides of the partition plate 63, specifically, the cold air pipeline passes through the heat exchange plates 65 on one side of the partition plate 63 in sequence in a back and forth arrangement manner, and passes through the first notch 64 to the other side of the partition plate 63 and passes through the heat exchange plates 65 in the same manner;
the cavity formed by the partition plate 63, the heat exchange plate 65, the first notch 64 and the second notch 66 is a hot air flow cavity 61.
The heat exchange device 6 is provided with an input port and an output port of the hot air flow cavity 61 which are arranged opposite to the second notch 66 close to the end part of the heat exchange device 6, and an input port and an output port of the cold air flow cavity 62; the input port of the cold air flow cavity 62 and the output port of the hot air flow cavity 61 are arranged at one end of the heat exchange device 6, and the output port of the cold air flow cavity 62 and the input port of the hot air flow cavity 61 are arranged at the other end of the heat exchange device 6.
In this embodiment, the paths of the cold air flow cavity 62 and the hot air flow cavity 61 effectively improve the heat exchange effect of air, the cold air flow cavity 62 and the hot air flow cavity 61 do not interfere with each other, only a heat exchange process exists between the cold air flow cavity 62 and the hot air flow cavity 61, the cold air after heat exchange enters the heater 1 to be heated, the heat efficiency of the circulation system is effectively improved, and meanwhile, dust in the recycled hot air is prevented from being accumulated in the heater 1 and other equipment to influence the normal operation of the equipment.
Preferably, a detachable first filter screen 67 is arranged on the hot air outlet; be equipped with an air exhauster 68 on the cold air input port, be equipped with second filter screen 69 on the input of air exhauster 68, the setting of first filter screen 67, second filter screen 69 further improves the dirt effect of straining.
Specifically, the suction fan 68 may be disposed between the heater 1 and the cool air outlet, which is not limited in this embodiment.
Preferably, a plurality of spray headers 7 are arranged at the top of the inner cavity of the heat exchange device 6, a row of water tanks 8 are arranged at the bottom of the heat exchange device 6, and the heat exchange device 6 is communicated with the water tanks 8 through a plurality of water outlets (not shown in the figure) arranged at the bottom of the heat exchange device 6.
A first valve a1 is arranged on a pipeline a between the fan 5 and the bag-type dust collector 4, an air inlet pipe b communicated with the pipeline a is arranged between the first valve a1 and the fan 5, and a second valve b1 is arranged on the air inlet pipe b.
In this embodiment, when the apparatus is stopped, the heat exchange apparatus 6 may be subjected to a spraying process, and dust accumulated on the heat exchange apparatus 6 and brought by recycled hot air is washed, so that the normal operation of the heat exchange apparatus 6 is effectively ensured;
after heat exchange device 6 washed, can close first valve a1, open second valve b1, in time air-dry heat exchange device 6 inner chamber by the blowing of fan 5 air-blast, prevent that the structure of heat exchange device 6 inner chamber from rustting, guarantee its normal clear of work.
As a specific implementation of the preferred scheme of this embodiment, the cyclone 3 and the bag-type dust collector 4 are 2 arranged side by side, the bottom of each of the cyclone 3 and the bag-type dust collector 4 is provided with a detachably connected recycling bin 9 for recycling materials, the recycling bin 9 is arranged to effectively recycle the materials, and the cyclone 3 and the bag-type dust collector 4 are arranged into 2 bins, so that the dust removal effect of the circulation system is further improved, and the dust amount in the exhaust air is reduced.
In this embodiment, the cold air is only the air at normal temperature relative to the hot air; the number of the heat exchange plates 65, the shower heads 7 and the water outlets is not limited in the embodiment, and is determined according to the specific production.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A closed cycle boiling dryer comprises a heater, a boiling dryer body, a cyclone dust collector, a bag-type dust collector and a fan which are sequentially connected through a pipeline according to an air path, and is characterized in that a heat exchange device for heat exchange between hot air output by the fan and cold air input into the heater is arranged between an air outlet end of the fan and an air inlet end of the heater, a hot air flow cavity and a cold air flow cavity are arranged in the heat exchange device, the input end of the cold air flow cavity is communicated with the atmosphere, and the output end of the cold air flow cavity is connected with the air inlet end of the heater; the input end of the hot air flow cavity is connected with the air outlet end of the fan, and the output end of the hot air flow cavity is communicated with the atmosphere.
2. The closed cycle ebullated dryer of claim 1 wherein a vertically disposed baffle is disposed within the heat exchange unit to divide the interior of the heat exchange unit into equal portions, a first gap being disposed between the baffle and the heat exchange unit; the two sides of the partition board are provided with a plurality of heat exchange plates which are arranged side by side, second notches are arranged between the heat exchange plates and the heat exchange equipment, 2 adjacent second notches are arranged oppositely, and the second notches and the first notches are arranged oppositely at two sides of the partition board.
3. The closed cycle ebullated dryer of claim 2 wherein the cool air flow chamber is a cool air duct disposed in a serpentine arrangement over the heat exchange plates, the cool air duct passing through the first gap to connect the heat exchange plates on both sides of the partition; and a cavity formed by matching the partition plate, the heat exchange plate, the first notch and the second notch is a hot air flow cavity.
4. The closed cycle ebullated dryer of claim 3 wherein the heat exchange means is provided with an inlet and an outlet for the warm air flow chamber and an inlet and an outlet for the cool air flow chamber disposed opposite the second gap adjacent the end of the heat exchange means; the input port of the cold air flow cavity and the output port of the hot air flow cavity are arranged at one end of the heat exchange equipment, and the output port of the cold air flow cavity and the input port of the hot air flow cavity are arranged at the other end of the heat exchange equipment.
5. The closed cycle ebullated dryer of claim 4 wherein the hot air output port is provided with a removable first screen; an exhaust fan is arranged on the cold air input port, and a detachable second filter screen is arranged on the input end of the exhaust fan.
6. The closed cycle ebullient dryer of claim 1 wherein the top of the chamber of the heat exchange unit is provided with a plurality of showerheads and the bottom of the heat exchange unit is provided with a drain tank, the heat exchange unit and the drain tank being in communication through a plurality of water outlets provided in the bottom of the heat exchange unit.
7. The closed cycle ebullient dryer of claim 1 wherein a first valve is disposed in the duct between the fan and the bag-type dust collector, an air inlet duct is disposed between the first valve and the fan and is in communication with the duct, and a second valve is disposed on the air inlet duct.
8. The closed cycle boiling dryer of claim 1, wherein the cyclone dust collector and the bag-type dust collector are 2 arranged side by side, and the bottoms of the cyclone dust collector and the bag-type dust collector are respectively provided with a recovery barrel which is detachably connected and used for material recovery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809393.1U CN212253368U (en) | 2020-05-14 | 2020-05-14 | Closed cycle fluidized drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809393.1U CN212253368U (en) | 2020-05-14 | 2020-05-14 | Closed cycle fluidized drying machine |
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| Publication Number | Publication Date |
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| CN212253368U true CN212253368U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020809393.1U Active CN212253368U (en) | 2020-05-14 | 2020-05-14 | Closed cycle fluidized drying machine |
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| CN (1) | CN212253368U (en) |
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2020
- 2020-05-14 CN CN202020809393.1U patent/CN212253368U/en active Active
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