CN214513329U - Filter equipment of vertical active carbon activation furnace - Google Patents
Filter equipment of vertical active carbon activation furnace Download PDFInfo
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- CN214513329U CN214513329U CN202120673781.6U CN202120673781U CN214513329U CN 214513329 U CN214513329 U CN 214513329U CN 202120673781 U CN202120673781 U CN 202120673781U CN 214513329 U CN214513329 U CN 214513329U
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- heat exchanger
- activation furnace
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Abstract
A filtering device of a vertical activated carbon activation furnace comprises a gas-liquid phase heat exchanger, wherein a flue gas inlet at one side is connected with the vertical activated carbon activation furnace and flows to a flue gas outlet at the other side of a heat insulation box under hot pressing, and two ends of a water pipeline are respectively connected to the outside of the heat insulation box and are respectively used as an inlet and an outlet of a cooling medium such as water; a gas-gas phase heat exchanger; and the air inlet of the bag filter is connected with the outlet of the circulating flue gas of the gas-phase heat exchanger to filter the flue gas. The utility model recovers the waste heat of the flue gas in the work of the vertical activated carbon activation furnace through the gas-liquid phase heat exchanger and the gas-gas phase heat exchanger, thus completely ensuring the safety of the bag filter; the bag filter can be used for filtering the smoke under large flow, so that the environmental protection requirement is met; and the waste heat is used for preheating secondary air, so that the burner of the vertical activated carbon activation furnace can burn more stably.
Description
Technical Field
The utility model relates to an activation furnace filters the field, concretely relates to filter equipment of vertical active carbon activation furnace.
Background
The carbonization furnace is carbonization equipment used for carbonizing various organic matters formed by photosynthesis, and the vertical carbonization converter has the advantages of more compact structure, longer service life of the furnace body and the like, so the carbonization furnace becomes a development trend and direction, particularly the multi-bin vertical carbonization furnace has more advantages and gradually becomes mainstream equipment.
The preparation process of the activated carbon generally comprises the treatment procedures of carbonization, activation, cooling and the like, wherein in the process of preparing the activated carbon, an activation furnace generates a large amount of high-heat smoke in the carbonization process, and a large amount of smoke dust is mixed in the smoke gas.
However, the flue gas still contains a large amount of heat which is not recovered, and the flue gas also contains a large amount of smoke dust which needs to be filtered, the filter suitable for long-time and large-flow flue gas treatment can adopt a bag filter, but the temperature of the smoke dust is high, and a cloth bag of the bag filter can be ignited.
Disclosure of Invention
According to the problems provided by the background art, the utility model provides a filtering device of a vertical activated carbon activation furnace, which is further explained in the following.
A filter device of a vertical activated carbon activation furnace is used for filtering flue gas and recovering waste heat of the vertical activated carbon activation furnace; a gas-liquid phase heat exchanger, wherein a flue gas inlet at one side is connected with the vertical activated carbon activation furnace and flows to a flue gas outlet at the other side of the heat insulation box under the hot pressing, and two ends of a water pipeline are respectively connected to the outside of the heat insulation box and are respectively used as an inlet and an outlet of a cooling medium such as water; the gas-gas phase heat exchanger is provided with two airflow passages, wherein one airflow passage is used for circulating flue gas, the other airflow passage is used for circulating secondary air, the flue gas heats the secondary air through heat exchange, and the secondary air is input into a combustion chamber of the vertical activated carbon activation furnace; and the air inlet of the bag filter is connected with the outlet of the circulating flue gas of the gas-phase heat exchanger to filter the flue gas.
Preferably, the heat insulation box is wrapped with a heat insulation layer made of a heat insulation material to perform heat insulation and heat preservation.
Preferably, the water pipeline is suspended in the heat insulation box, so that smoke dust is prevented from being deposited on the water pipeline to reduce the heat exchange effect.
Preferably, a partition plate is arranged in the heat insulation box, the water pipeline is placed on the partition plate, a leakage opening is formed in the partition plate, and the smoke deposited through the leakage opening falls into the collecting cavity below the heat insulation box.
Preferably, the top of the partition board is provided with a spiral pipe groove which is consistent with the shape of the spiral water pipeline, the water pipeline is placed on the spiral pipe groove, and the leakage port is positioned between the adjacent spiral pipe grooves; to stabilize the water conduit.
Preferably, a thermometer is arranged on the pipeline from the gas-phase heat exchanger to the bag filter, and the temperature entering the bag filter is monitored so as to completely ensure the safety of the bag filter.
Has the advantages that: compared with the prior art, the utility model recovers the waste heat of the flue gas in the working process of the vertical activated carbon activation furnace through the gas-liquid phase heat exchanger and the gas-gas phase heat exchanger, thus completely ensuring the safety of the bag filter; the bag filter can be used for filtering the smoke under large flow, so that the environmental protection requirement is met; and the waste heat is used for preheating secondary air, so that the burner of the vertical activated carbon activation furnace can burn more stably.
Drawings
FIG. 1: the structure of the utility model is shown schematically;
in the figure: the device comprises a gas-liquid phase heat exchanger 1, a gas-gas phase heat exchanger 2, a bag filter 3, a heat insulation box 11, a water pipeline 12, a flue gas inlet 111, a flue gas outlet 112, a partition plate 13, a leakage opening 131, a collection cavity 14 and a thermometer 4.
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to fig. 1.
A filtering device of a vertical activated carbon activation furnace comprises a gas-liquid heat exchanger 1, a gas-gas heat exchanger 2 and a bag filter 3, and is used for filtering flue gas and recovering waste heat of the vertical activated carbon activation furnace, wherein the gas-liquid heat exchanger 1 comprises a heat insulation box 11 and a spiral water pipeline 12, the flue gas from the vertical activated carbon activation furnace is introduced into the heat insulation box 11 from a flue gas inlet 111 at one side of the heat insulation box 11 and flows to a flue gas outlet 112 at the other side of the heat insulation box 11 under hot pressing, two ends of the water pipeline 12 are respectively connected to the outside of the heat insulation box 11 and are respectively used as an inlet and an outlet of cooling media such as water, in the heat insulation box 11, the high-heat flue gas exchanges heat with the water in the water pipeline 12, and absorbs most of heat contained in the flue gas by the water with large specific heat capacity, so that the effects of recovering the waste heat of the flue gas and reducing the temperature of the flue gas are achieved; the flue gas outlet of the heat insulation box 11 is connected to the gas-gas phase heat exchanger 2, two airflow channels exist in the gas-gas phase heat exchanger 2, one of the two airflow channels circulates flue gas, the other one circulates secondary air, the flue gas heats the secondary air through heat exchange, the secondary air is input into a combustion chamber of the vertical activated carbon activation furnace, the outlet of the circulating flue gas of the gas-gas phase heat exchanger 2 is connected to the bag filter 3, the flue gas can be directly introduced into the bag filter 3 for smoke dust filtering operation through the gas-liquid phase heat exchanger 1 and the gas-gas phase heat exchanger 2 for cooling twice.
In this embodiment, the heat insulation box 11 is wrapped by a heat insulation layer made of heat insulation material for heat insulation and preservation, and in the heat insulation box 11, the smoke dust part contained in the smoke will be deposited at the bottom of the heat insulation box 11, in order to prevent the smoke dust from depositing on the water pipeline 12 and reduce the heat exchange effect, the water pipeline 12 is suspended on the heat insulation box 11, a partition plate 13 is arranged in the heat insulation box 11, the water pipeline 12 is placed on the partition plate 13, a leak 131 is formed in the partition plate 13, and the deposited smoke dust will fall into the collection cavity 14 below through the leak 131.
At the flue gas flow in-process with the effect of existing power to pipeline 12, when the flue gas velocity of flow reaches the specified value simultaneously, based on the karman vortex street effect, there is little quivering in water pipeline 12, for stabilizing water pipeline 12, baffle 13 top is provided with the spiral pipe groove unanimous with spiral water pipeline 12 appearance, and water pipeline 12 places on this spiral pipe groove, leak 131 is located between the adjacent spiral pipe groove.
The present embodiment is also provided with a thermometer 4 on the piping from the gas-gas phase heat exchanger 2 to the bag filter 3, and monitors the temperature entering the bag filter 3 to fully ensure the safety of the bag filter 3.
The gas-gas phase heat exchanger 2 and the bag filter 3 according to the present embodiment are both in the prior art, for example, the gas-gas phase heat exchanger 2 may refer to the gas heat exchanging device disclosed in CN1187569C, and the details of the present embodiment are not repeated.
In the embodiment, the flue gas in the working process of the vertical activated carbon activation furnace is subjected to waste heat recovery by the gas-liquid phase heat exchanger 1 and the gas-gas phase heat exchanger 2, so that the safety of the bag filter is completely ensured; the bag filter can be used for filtering the smoke under large flow, so that the environmental protection requirement is met; and the waste heat is used for preheating secondary air, so that the burner of the vertical activated carbon activation furnace can burn more stably.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A filter device of a vertical activated carbon activation furnace is used for filtering flue gas and recovering waste heat of the vertical activated carbon activation furnace; it is characterized by comprising:
a gas-liquid phase heat exchanger (1), wherein a flue gas inlet (111) at one side is connected with a vertical activated carbon activation furnace and flows to a flue gas outlet (112) at the other side of a heat insulation box (11) under hot pressing, and two ends of a water pipeline (12) are respectively connected to the outside of the heat insulation box (11) and are respectively used as an inlet and an outlet of a cooling medium such as water;
the gas-phase heat exchanger (2) is provided with two gas flow paths, wherein one gas flow path is used for circulating flue gas, the other gas flow path is used for circulating secondary air, the flue gas heats the secondary air through heat exchange, and the secondary air is input into a combustion chamber of the vertical activated carbon activation furnace;
and the air inlet of the bag filter (3) is connected with the outlet of the circulating flue gas of the gas-gas phase heat exchanger (2) to filter the flue gas.
2. The filtration device of claim 1, wherein:
the heat insulation box (11) is wrapped by a heat insulation layer made of heat insulation materials.
3. The filtration device of claim 1, wherein:
the water conduit (12) is suspended in the insulated box (11).
4. A filter arrangement according to claim 3 wherein:
a partition plate (13) is arranged in the heat insulation box (11), the water pipeline (12) is placed on the partition plate (13), a leakage opening (131) is formed in the partition plate (13), and the smoke deposited through the leakage opening (131) falls into a collecting cavity (14) below.
5. The filtration device of claim 4, wherein:
the top of the partition plate (13) is provided with a spiral pipe groove which is consistent with the shape of the spiral water pipeline (12), the water pipeline (12) is placed on the spiral pipe groove, and the leakage opening (131) is positioned between the adjacent spiral pipe grooves; to stabilize the water conduit (12).
6. The filtration device of claim 1, wherein:
a thermometer (4) is arranged on a pipeline from the gas-phase heat exchanger (2) to the bag filter (3) and monitors the temperature entering the bag filter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120673781.6U CN214513329U (en) | 2021-04-02 | 2021-04-02 | Filter equipment of vertical active carbon activation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120673781.6U CN214513329U (en) | 2021-04-02 | 2021-04-02 | Filter equipment of vertical active carbon activation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214513329U true CN214513329U (en) | 2021-10-29 |
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ID=78271664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120673781.6U Active CN214513329U (en) | 2021-04-02 | 2021-04-02 | Filter equipment of vertical active carbon activation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214513329U (en) |
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2021
- 2021-04-02 CN CN202120673781.6U patent/CN214513329U/en active Active
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