CN217154697U - A high-efficient cooling arrangement for after active carbon regeneration - Google Patents

Abstract

The utility model provides a high-efficiency cooling device used after the regeneration of active carbon, which comprises a furnace body used for cooling the regenerated active carbon; the furnace is characterized in that a first cooling area and a second cooling area are sequentially arranged in the furnace body along the conveying direction of the activated carbon; the first cooling area adopts steam with the temperature of 150 ℃ and 250 ℃ to rapidly cool the activated carbon conveyed to the first cooling area. Through two sets of cooling regions that set gradually, realize the cooling of different rates, cool off the active carbon fast through steam, solved and adopted the water-cooling to lead to the problem that the active carbon ftractures among the prior art.

Description

A high-efficient cooling arrangement for after active carbon regeneration

Technical Field

The invention relates to the technical field of energy regeneration, in particular to efficient cooling equipment used after activated carbon regeneration.

Background

The activated carbon is a specially treated carbon, in which organic materials (husk, coal, wood, etc.) are heated in the absence of air to reduce non-carbon components, and then reacted with gas to erode the surface and produce a structure with developed micropores, and harmful gases are physically adsorbed by the micropores.

Chinese patent CN111632584A discloses a regeneration process of waste honeycomb activated carbon, belonging to the technical field of waste treatment. It has solved the current useless active carbon direct incineration and has dealt with, has caused the extravagant scheduling problem of resource, a abandonment honeycomb active carbon regeneration technology, includes following step: the method comprises the following steps: s01: performing pyrolysis desorption, namely preheating the waste honeycomb activated carbon, and then performing pyrolysis desorption at the temperature of 500-600 ℃; s02: activating, namely activating the activated carbon subjected to thermal desorption in the step S01 by adopting water vapor at the temperature of 850-950 ℃; s03: cooling, namely cooling the activated carbon in the step S02 to obtain regenerated activated carbon; the steps S01, S02 and S03 are all carried out under the condition of vacuum oxygen lack.

However, the cooling part in the technical scheme adopts the way that water is introduced to rapidly cool the activated carbon, so that the activated carbon is cracked in the quenching process, and the reutilization rate of the activated carbon is reduced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides high-efficiency cooling equipment for regenerated activated carbon.

In order to achieve the purpose, the invention provides the following technical scheme:

an efficient cooling device used after activated carbon regeneration comprises a furnace body used for cooling regenerated activated carbon;

it is characterized in that the preparation method is characterized in that,

a first cooling assembly and a second cooling assembly are sequentially arranged in the furnace body along the activated carbon conveying direction;

the first cooling assembly adopts steam to rapidly cool the activated carbon conveyed to the first cooling assembly.

As an improvement, the first cooling assembly is provided with a blower, a steam spray head and a cooling guide plate;

the steam nozzle is arranged below the air feeder, and the cooling guide plate is arranged below the steam nozzle.

As a modification, a gas circulation channel is formed between the cooling baffle and the side wall of the first cooling assembly.

As an improvement, a plurality of flow guide holes are formed in the cooling flow guide plate, and the size of each flow guide hole is gradually increased outwards corresponding to the center of the air feeder.

As an improvement, the periphery of the inner wall of the second cooling assembly is provided with a heat exchanger and a plurality of induced draft fans arranged at the top of the second cooling assembly.

As an improvement, one end part of the air inlet end and the air outlet end of the induced draft fan is arranged at the bottom of the activated carbon, and the other end part of the induced draft fan is arranged at the top of the inner wall of the cooling furnace;

as an improvement, the airflow directions of two adjacent induced draft fans are arranged in a reverse direction.

The invention has the beneficial effects that:

(1) according to the invention, two cooling zones are sequentially arranged in the furnace body and are divided into different cooling speeds to cool the activated carbon, and the high-temperature steam of the first cooling component is used for rapidly cooling the activated carbon from 1050 ℃ to 250 ℃ in the range of 150-;

(2) according to the invention, through the arrangement of the second cooling component, the gap of the activated carbon is flushed by gas again, so that cooling is realized, the effect of dredging the gap of the activated carbon again is realized, and the activated carbon activation effect is improved; the adsorption performance of the activated carbon is improved to more than 95 percent;

(3) the second cooling assembly is provided with a plurality of groups of induced draft fans, and the wind directions of the adjacent induced draft fans are opposite, so that the first group of induced draft fans blow out wind along the bottom of the activated carbon and suck in the top of the activated carbon, the adjacent group of induced draft fans blow in the wind along the top of the activated carbon and suck out the wind from the bottom of the activated carbon, the activated carbon is flushed in an alternating mode, and gaps of the activated carbon are cleaned more fully;

in conclusion, the invention has the advantages of high cooling efficiency of the activated carbon, no cracking of the cooled activated carbon and the like.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the overall structure of the present invention;

FIG. 3 is a schematic view of a first cooling module domain according to the present invention;

FIG. 4 is a schematic view of a second cooling module domain according to the present invention;

FIG. 5 is a schematic view of a heat exchanger according to the present invention;

FIG. 6 is a schematic view of the present invention in use.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

As shown in fig. 1-2, a high-efficiency cooling apparatus for activated carbon regeneration comprises a furnace body 1 for cooling regenerated activated carbon; a feed inlet 11 and a discharge outlet 12 are arranged at two ends of the furnace body 1 and are respectively arranged on adjacent side walls of the furnace body, a conveying device 13 for conveying activated carbon is arranged at the bottom of the furnace body 1, the conveying device 13 can select modes such as a conveying belt, roller conveying, push rod pushing and the like, and the push rod pushing mode is preferably adopted in the embodiment; wherein the feed port 11 is communicated with the regeneration chamber 200 and is isolated from the regeneration chamber 200 by a door provided on the regeneration chamber 200; the frequency of pushing by the push rod is matched with the residence time of the materials in the furnace, so that the efficiency is high and the control is convenient; the feeding and discharging of the furnace body are all pushed by a push rod;

the furnace also comprises a first cooling component 2 arranged in the furnace body;

the first cooling assembly 2 adopts steam with the temperature of 150 ℃ and 250 ℃ to rapidly cool the activated carbon conveyed to the first cooling assembly 2.

Preferably, as shown in fig. 3, the first cooling module 2 includes a blower 21, a steam nozzle 22, and a cooling baffle 23;

the steam nozzle 22 is disposed below the blower 21, and the cooling baffle 23 is disposed below the steam nozzle 22.

A plurality of flow guide holes 231 are formed in the cooling flow guide plate 23, and the size of each flow guide hole 231 is gradually increased outwards in sequence corresponding to the center of the blower 21.

Further, as shown in fig. 3, a gas circulation passage 100 is formed between the cooling baffle 23 and the side wall of the furnace body 1.

The present embodiment further includes a plurality of sets of second cooling units 3 disposed behind the first cooling units 2.

In this embodiment, as shown in fig. 4, the second cooling assembly 3 includes a plurality of heat exchangers 31 disposed around the inner wall of the furnace body 1 and an induced draft fan 32 correspondingly disposed at the top of the furnace body 1.

It should be noted that, the heat exchanger 31 preferably adopts water cooling heat exchange, and other media with cooling effect may be selected;

in addition, high temperature gas in the cavity passes through heat exchanger 31 heat transfer back, and refrigerated gas is blown in second cooling module 3 and is cooled off and wash the mediation with the gas pocket of active carbon by draught fan 32 again, improves the mediation rate in active carbon hole, and then improves the adsorption effect of active carbon.

Preferably, as shown in fig. 4, one end of the air inlet end and the air outlet end of the induced draft fan 32 is arranged at the bottom of the activated carbon, and the other end is arranged at the top of the inner wall of the cooling furnace;

it should be noted that, the effect of the induced draft fan 32 is utilized to recycle the gas in the cooling furnace body 1, so as to reduce the potential safety hazard caused by the external oxygen-containing gas entering the furnace body 1.

Further, as shown in fig. 4, the airflow directions of the induced draft fans 32 of two adjacent groups of the second cooling assemblies 3 are arranged in opposite directions.

It should be noted that, one induced draft fan 32 exhausts from the upper end, and the lower end inhales, and adjacent induced draft fan 32 inhales from the upper end, and the lower end exhausts, realizes not needing the direction to impact the gas pocket of active carbon, makes the gas pocket fully opened.

Example two

As shown in fig. 1-2, wherein the same or corresponding components as in the first embodiment are designated by the same reference numerals as in the first embodiment, only the differences from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:

in this embodiment, as shown in fig. 1-2, the discharge end of the furnace body 1 is connected to a discharge transfer bin 4 for removing the activated carbon in the furnace body 1 and isolating external air from entering the furnace body 1.

The discharging transit bin 4 is communicated with the discharging end of the furnace body 1 through a second isolating door 41, a third isolating door 42 is arranged at the other end of the discharging transit bin 4, and the active carbon in the discharging transit bin 4 is output through the third isolating door 42. The transfer bin 4 is communicated with the furnace body 1 and the outside in an interrupted way by opening and closing the second isolation door 41 and the third isolation door 42;

in addition, the discharging transfer bin 4 can ensure that the discharging transfer bin 4 is in an anoxic state through multiple times of vacuumizing and nitrogen gas introducing replacement, and potential safety hazards caused by oxygen entering the furnace body 1 are avoided.

In addition, after the gas discharged from the furnace body 1 is condensed and filtered, the harmful gas is subjected to secondary treatment through high-temperature combustion again, and the cooling water is utilized to prepare the whole gas again for recycling, so that the energy waste is avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. An efficient cooling device used after the regeneration of activated carbon comprises a furnace body (1) used for cooling the regenerated activated carbon;

the furnace is characterized by also comprising a first cooling component (2) arranged in the furnace body;

the first cooling assembly (2) cools the activated carbon conveyed to the first cooling assembly (2) by adopting steam;

the first cooling assembly (2) comprises a blower (21), a steam spray head (22) and a cooling guide plate (23);

the steam nozzle (22) is arranged below the blower (21), and the cooling guide plate (23) is arranged below the steam nozzle (22).

2. The apparatus for high-efficiency cooling after the regeneration of activated carbon according to claim 1, wherein a gas circulation passage (100) is formed between the cooling baffle (23) and the side wall of the furnace body (1).

3. The efficient cooling device after activated carbon regeneration as claimed in claim 1, wherein a plurality of flow guiding holes (231) are formed in the cooling flow guiding plate (23), and the size of the flow guiding holes (231) is gradually increased outwards corresponding to the center of the blower (21).

4. The efficient cooling device after activated carbon regeneration according to claim 1, further comprising a plurality of groups of second cooling modules (3) disposed behind the first cooling module (2).

5. The efficient cooling equipment for activated carbon regeneration according to claim 4, wherein the second cooling assembly (3) comprises a plurality of heat exchangers (31) arranged around the inner wall of the furnace body (1) and a draught fan (32) correspondingly arranged at the top of the furnace body (1).

6. The efficient cooling equipment for activated carbon regeneration as recited in claim 5, wherein one end of the air inlet end and the air outlet end of the induced draft fan (32) is arranged at the bottom of the activated carbon, and the other end is arranged at the top of the inner wall of the cooling furnace.

7. The high-efficiency cooling device for activated carbon regeneration as claimed in claim 4, wherein the air flow directions of the induced draft fans (32) of two adjacent groups of the second cooling assemblies (3) are reversed.

8. The efficient cooling equipment used after the regeneration of the activated carbon is characterized by further comprising a discharging transfer bin (4) which is arranged at the discharging end of the furnace body (1) and is used for removing the activated carbon in the furnace body (1) and isolating the outside air from entering the furnace body (1).

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