CN216755702U

CN216755702U - Dust separation and collection system of desorption and regeneration device for microporous adsorption material

Info

Publication number: CN216755702U
Application number: CN202122702348.3U
Authority: CN
Inventors: 周长龙; 邓仁广
Original assignee: Beijing Baiyi Environmental Protection Technology Co ltd
Current assignee: Beijing Baiyi Environmental Protection Technology Co ltd
Priority date: 2021-08-29
Filing date: 2021-11-06
Publication date: 2022-06-17
Anticipated expiration: 2031-11-06

Abstract

The utility model discloses a dust separation and collection system of a desorption and regeneration device for a microporous adsorption material. The desorption and regeneration device is used for a microporous adsorption material and is characterized by comprising a desorption device (1), a circulating purification adsorber (2), a heat exchanger (3), a condenser (4), a circulating fan (5), a heater (6), a solvent storage tank (7), a dust remover (8), a dust removing fan (9), a replacement gas purifier (10), an oxygen content detector (11), a charging door (12), a discharging door (13) and the like. Wherein the desorption device (1), the circulating purification adsorber (2), the heat exchanger (3), the condenser (4), the circulating fan (5) and the heater (6) are connected through a circulating pipeline to form a closed loop; wherein the dust remover (8), the dust removing fan (9) and the replacement gas purifier (10) are connected in series through pipelines to form a dust removing system, the dust removing system is connected into a circulating pipeline, and a connecting point is positioned on the pipeline behind the desorption device (1). The dust separation collection system of independent setting can sweep through directional wind under desorption regenerating unit non-running state, and the flammable micropore adsorption material dust that will load and unload the process production separates and collects the processing, and the dust is not to the environment loss, and then avoids local environment to take place dust explosion's danger, avoids desorption regenerating unit inner tube way dust deposit simultaneously.

Description

Dust separation and collection system of desorption and regeneration device for microporous adsorption material

Technical Field

The utility model relates to a desorption and regeneration device of a microporous adsorption material, in particular to a dust separation and collection system for the desorption and regeneration device of the microporous adsorption material.

Background

In the current industrial organic waste gas purification technology system, a microporous adsorption material represented by activated carbon adsorbs and recovers an organic solvent, which is a main technical component. In the adsorption recovery process, the desorption regeneration is mainly carried out by means of water vapor, high-temperature nitrogen and the like, and then organic matters are recovered and the adsorption material is regenerated. The high-temperature nitrogen desorption heat supply temperature is high, the process temperature can reach more than 300 ℃, the transpiration desorption of most volatile organic matters can be met, and the microporous adsorption material is efficiently regenerated, so that the high-temperature nitrogen desorption regeneration technology is widely accepted and used.

In the use process of the high-temperature nitrogen desorption regeneration device, the loading and unloading operation of the microporous adsorption material is generally involved. Because micropore adsorption material intensity problem itself, the friction of loading and the in-process of unloading, collision can inevitable produce the dust, simultaneously because micropore adsorption material mainly is combustible carbonaceous, combustible dust loss process is very dangerous, and the improper very easily initiation explosion of protection. Therefore, the desorption and regeneration device needs to directionally collect dust in the exposure process of the microporous adsorption material, so that the explosion danger is avoided. In addition, if the dust removal pretreatment is not carried out in the desorption device after the material is charged, the part of dust can be carried by the circulating air in the operation process of the desorption regeneration device and enters a circulating pipeline, so that the device is polluted and potential safety hazards are further caused.

Disclosure of Invention

In view of at least one of the above technical problems, the present application provides a dust separation and collection system of a desorption and regeneration device for a microporous adsorption material.

According to an aspect of the application, a dust separation and collection system is provided for a microporous adsorption material high-temperature nitrogen desorption regeneration device. The device is characterized in that the dust remover (8), the dust removing fan (9) and the replacement gas purifier (10) are connected in series through a pipeline to form a dust removing system and are connected into a circulating pipeline, and a connecting point is positioned on the pipeline behind the desorption device (1).

In one embodiment, the dust separation and collection system is operated under automatic control, and the charging door (12) and the discharging door (13) are provided with inductive switches. When the charging door (12) or the discharging door (13) is opened, the control system receives a signal, and the dust separating and collecting system immediately starts to operate; and when the charging door (12) and the discharging door (13) are closed simultaneously, the dust separation and collection system stops running.

In one embodiment, the blowing air enters from the charging door (12), blows out dust through the desorption device (1), then removes the dust through the dust remover (8), and is purified by the replacement gas purifier (10) after passing through the fan and is further emptied.

In one embodiment, the dust separator (8) is provided with a manual dust discharging or automatic dust discharging function.

In one embodiment, the dust removal fan (9) is locked during operation of the desorption regeneration device and is not allowed to start.

The utility model combines a novel process system, establishes a simple and effective dust separation and collection system, thereby ensuring the safety of the material loading and unloading process of the desorption and regeneration device of the microporous adsorption material and simultaneously enhancing the operation safety of the desorption and regeneration device.

Drawings

The above and other aspects, features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings in which:

fig. 1 is a schematic diagram of a desorption regeneration device dust separation collection system according to an exemplary embodiment of the present application.

Detailed Description

The present application will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments are shown. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. Like reference numerals refer to like elements throughout the specification and throughout the drawings.

It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may be present. In contrast, when an element is referred to as being directly on another element, there are no intervening elements present.

It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings herein.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, including "at least one", unless the content clearly indicates otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, regions, integers, steps, operations, elements, components, and/or groups thereof.

Further, spatially relative terms, such as "under … …" or "over … …" and "over … …" may be used herein to describe one element's relationship to another element as illustrated in the figures. It will be understood that relative terms are intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in one of the figures is turned over, elements described as "below" other elements would then be oriented "above" the other elements. The exemplary terms "below" or "beneath" can therefore encompass both an orientation of above and below.

As used herein, "about" or "approximately" includes the stated value as well as an average value over an acceptable range of deviations for the specified value as determined by one of ordinary skill in the art taking into account ongoing measurements and the error associated with the measurement of the specified quantity, i.e., the limitations of the measurement system.

Unless otherwise defined, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure, and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Fig. 1 shows a schematic diagram of a desorption regeneration device dust separation collection system according to an exemplary embodiment of the present application. Referring to fig. 1, the desorption regeneration device according to an exemplary embodiment of the present invention may include a desorber (1), a circulation purge adsorber (2), a heat exchanger (3), a condenser (4), a circulation fan (5), a heater (6), a solvent storage tank (7), a dust collector (8), a dust removal fan (9), a displacement gas purifier (10), an oxygen content detector (11), a charging door (12), a discharging door (13), a nitrogen line (14), a cold source line (15), and the like. Wherein the desorption device (1), the circulating purification adsorber (2), the heat exchanger (3), the condenser (4), the circulating fan (5) and the heater (6) are connected through a circulating pipeline to form a closed loop; the dust remover (8), the dust removing fan (9) and the replacement gas purifier (10) are connected in series through a pipeline to form a dust removing system, the dust removing system is connected into a circulating pipeline, and a connecting point is positioned on the pipeline behind the desorption device (1).

The desorption regeneration device of the exemplary embodiment of the present application operates as follows:

1. the charging operation process comprises the following steps:

and in the standby state of the desorption regeneration device, the control system prompts that the charging operation is allowed. A charging door (12) of the desorption device (1) is opened, after the induction switch sends a signal to the control system, the valve K is opened, and the dust removal fan (9) is started. At this time, the purge air enters from the charging door (12), sequentially passes through the desorption device (1), the dust remover (8), the dust removal fan (9), and the replacement gas purifier (10), and is discharged to the environmental space. In the charging process, dust entrained and generated by the regenerated microporous adsorption material is discharged out of the desorption device (1) along with the blowing air, the dust is further filtered by the dust remover (8), the once purified air after dust removal is purified by the replacement gas purifier (10), a small amount of organic matters mixed in the air are filtered, and then the air is safely discharged to the environment. The dust remover (8) automatically discharges ash at regular time.

After the charging operation is finished, the charging door (12) is closed, the dust removal fan (9) stops after the inductive switch sends a signal to the control system, and the valve K is closed. Meanwhile, the control system confirms that the charging is finished according to the inductive switch signal and allows the desorption regeneration operation to be executed.

The discharge door (13) is not opened during the charging process.

2. The unloading operation process comprises the following steps:

the desorption regeneration operation is automatically finished, and the control system prompts the unloading operation when the desorption regeneration device is in a standby state. A charging door (12) of the desorption device (1) is opened, after the induction switch sends a signal to the control system, a valve K is opened, and the dust removal fan (9) is started. At this time, the purge air enters from the charging door (12), sequentially passes through the desorption device (1), the dust remover (8), the dust removal fan (9), and the replacement gas purifier (10), and is discharged to the environmental space. Dust entrained and generated by the regenerated microporous adsorption material is discharged out of the desorption device (1) along with the blowing air, the dust is further filtered by the dust remover (8), primary purified air after dust removal is purified by the replacement gas purifier (10), a small amount of organic matters mixed in the air are filtered, and then the air is safely discharged to the environment.

In the discharging process, after the charging door (12) is opened, the discharging door (13) is further opened. The desorbed and regenerated microporous adsorption material is moved out of the desorption device (1) through a discharge door (13).

After the unloading operation is finished, the unloading door (13) is closed, and after the inductive switch sends a signal to the control system, the control system prompts the permission of the loading operation. If the charging operation is not carried out, the charging door (12) is closed, the dust removal fan (9) stops after the inductive switch sends a signal to the control system, and the valve K is closed.

3. The operation process of the desorption regeneration device comprises the following steps:

the control system confirms that the charging is finished according to the inductive switch signal and allows the desorption regeneration operation to be executed. And starting operation.

Firstly, a desorption valve A of the desorption device (1) is opened, adsorption valves C and D of the circulating purification adsorber (2) are opened, valves G and H of the heat exchanger (3) are opened, a valve K is opened, and other valves of the device are closed. And opening a nitrogen pipeline valve L, performing nitrogen replacement on the desorption device, the desorption device pipeline and all the air passing devices through a nitrogen pipeline (14), and safely discharging the discharged gas in the process after the discharged gas is treated by a replacement gas purifier (10).

And then, opening valves A and B of the desorption device (1), opening valves E and F of the circulating purification adsorber (2), opening valve J, opening valve G of the heat exchanger (3), and closing other valves of the device. And (3) starting the circulating fan (5) and the heater (6), and further adjusting the power of the heater (6) until the desorption inlet air temperature of the desorber reaches a set temperature. The desorption hot nitrogen enters the desorption device (1) and the circulating purification adsorber (2), passes through the heat exchanger (3), enters the condenser (4), sequentially passes through the valve J, the circulating fan (5), the heat exchanger (3) and the heater (6), and returns hot air to the desorption device (1) and the circulating purification adsorber (2) for continuous circulating operation. Organic matters desorbed from the desorption device (1) and the circulating purification adsorber (2) are condensed and recycled to enter a storage tank (7). Wherein, the condenser (4) is connected with a cold source pipeline (15).

And thirdly, after the heating operation is carried out for a certain time, the valves C and D of the circulating purification adsorber (2) are opened, the valves E and F of the circulating purification adsorber (2) are closed, the valve J is closed, the circulating gas path is changed into the circulation of the desorption device (1), the heat exchanger (3), the condenser (4), the circulating purification adsorber (2), the circulating fan (5), the heat exchanger (3), the heater (6) and the desorption device (1), and the circulating purification adsorber (2) starts to adsorb and purify residual organic matters in the circulating gas after being cooled.

And finally, stopping heating by the heater (6), opening a valve H of the heat exchanger (3), closing a valve G, taking out heat in the desorption device (1) by circulating air and absorbing the heat by the condenser (4), and integrally cooling the desorption device (1). And after the temperature reduction is finished, the desorption regeneration operation is finished.

While certain exemplary embodiments and examples have been described herein, other embodiments and modifications will be apparent from the above description. Various changes and modifications to the embodiments of the present application may be made by those skilled in the art without departing from the teachings of the present application. The inventive concept is therefore not limited to the embodiments but is to be defined by the appended claims along with their full scope of equivalents.

Claims

1. A dust separation and collection system of a desorption and regeneration device of a microporous adsorption material is used for the microporous adsorption material, and is characterized by comprising a desorption device (1), a circulating purification adsorber (2), a heat exchanger (3), a condenser (4), a circulating fan (5), a heater (6), a solvent storage tank (7), a dust remover (8), a dust removing fan (9), a replacement gas purifier (10), an oxygen content detector (11), a charging door (12) and a discharging door (13); wherein the desorption device (1), the circulating purification adsorber (2), the heat exchanger (3), the condenser (4), the circulating fan (5) and the heater (6) are connected through a circulating pipeline to form a closed loop; the dust remover (8), the dust removal fan (9) and the replacement gas purifier (10) are connected in series through pipelines to form a dust separation and collection system, and are connected into a circulating pipeline, and the connection point is positioned on the pipeline behind the desorption device (1).

2. The dust separation collection system of claim 1, wherein the dust separation collection system operates independently as an auxiliary system to the desorption regeneration device.

3. The dust separation and collection system of claim 1, wherein the dust separation and collection system comprises a separate dust extractor fan and a dust extractor.

4. The dust separating and collecting system of claim 1, wherein the dust separating and collecting system is automatically operated, and the dust separating and collecting system is immediately operated when the charging door (12) or the discharging door (13) is opened, and the dust separating and collecting system is stopped when the charging door (12) and the discharging door (13) are simultaneously closed.

5. The dust separation and collection system of claim 1, wherein the replacement gas purifier (10) is configured to simultaneously perform exhaust gas purification for both desorption and regeneration device operation and dust separation and collection system operation.