CN219664719U - Intermittent pyrolysis system - Google Patents
Intermittent pyrolysis system Download PDFInfo
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- CN219664719U CN219664719U CN202320588120.2U CN202320588120U CN219664719U CN 219664719 U CN219664719 U CN 219664719U CN 202320588120 U CN202320588120 U CN 202320588120U CN 219664719 U CN219664719 U CN 219664719U
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- pyrolysis
- intermittent
- furnaces
- furnace
- hot blast
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 77
- 239000007789 gas Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- 238000000746 purification Methods 0.000 claims abstract description 8
- 239000002912 waste gas Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model discloses an intermittent pyrolysis system, which comprises a plurality of groups of intermittent furnaces, wherein non-condensable gas pipelines among the intermittent furnaces are communicated and are controlled to be disconnected through valves; each group of intermittent furnaces comprises a pyrolysis furnace, a pyrolysis condenser group, a flue gas purification system, a pyrolysis liquid temporary storage tank, a hot blast stove and an oil-water separation system; the pyrolysis gas pipe of the pyrolysis furnace is connected to a condenser group, and the liquid outlet pipe of the condenser group is connected to a pyrolysis heat temporary storage tank; the air outlet pipe of the condenser group is connected to a hot blast stove and another group of intermittent furnaces, and the hot blast stove is connected with a pyrolysis furnace system through a pipeline; the pyrolysis liquid temporary storage tank is connected with the oil-water separation system through a pipeline. The utility model adopts the non-condensable gas pipelines of a plurality of sets of intermittent furnaces to be communicated, and controls the on-off state of the intermittent furnaces through the valve, so that the production period of the intermittent furnaces can be reasonably staggered in the actual production process, and the two pyrolysis devices are provided with one set of waste gas treatment system, thereby greatly reducing the use cost.
Description
Technical Field
The utility model belongs to the technical field of environmental protection equipment, and particularly relates to an intermittent pyrolysis system.
Background
At present, most of dangerous waste treatment adopts modes of incineration, landfill and the like, but the conventional treatment processes of incineration, landfill and the like can realize harmless treatment of dangerous waste, but can not effectively utilize the value of renewable resources of dangerous waste, and meanwhile, the landfill is easy to cause secondary pollution of the land, so that the investment and operation cost of an incineration method is high. The hazardous waste is subjected to pyrolysis treatment, and the available resources in the solid waste hazardous waste can be fully extracted for recycling, so that waste is truly changed into valuable. Compared with simple harmless treatment, the recycling utilization of the dangerous wastes improves the utilization efficiency of resources while protecting and improving the environment, and can realize win-win of economic benefit, social benefit and environmental benefit.
Disclosure of Invention
The present utility model is directed to an intermittent pyrolysis system, which solves the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an intermittent pyrolysis system comprises a plurality of groups of intermittent furnaces, wherein non-condensable gas pipelines among the intermittent furnaces are communicated and are controlled to be disconnected through valves;
each group of intermittent furnaces comprises a pyrolysis furnace, a pyrolysis condenser group, a flue gas purification system, a pyrolysis liquid temporary storage tank, a hot blast stove and an oil-water separation system;
the pyrolysis gas pipe of the pyrolysis furnace is connected to a pyrolysis condenser group, the jacket waste gas is connected to a flue gas purification system, and the liquid outlet pipe of the pyrolysis condenser group is connected to a pyrolysis heat temporary storage tank;
the air outlet pipe of the pyrolysis condenser group is connected to a hot blast stove and another group of intermittent furnaces, and the hot blast stove is connected with the pyrolysis furnace through a pipeline;
the pyrolysis liquid temporary storage tank is connected with the oil-water separation system through a pipeline.
Preferably, a pressure transmitter is installed on the pyrolysis furnace.
Preferably, a pressure alarm and a temperature sensor are arranged on the hot blast stove.
Preferably, a pressure sensor is arranged on the pyrolysis liquid buffer tank.
The utility model has the technical effects and advantages that:
1. the non-condensable gas pipelines of the intermittent furnaces are communicated, and the on-off of the non-condensable gas pipelines are controlled through the valves, so that the production period of the intermittent furnaces can be reasonably staggered in the actual production process, namely, when the furnace A produces a large amount of gas, the furnace B (or the C/D/E/F furnace) is in the material heating stage, and the surplus non-condensable gas of the furnace A is sent to the furnace B (or the C/D/E/F furnace) for burning and heating, and vice versa.
2. And a pressure transmitter is arranged on the main pipe of the pyrolysis furnace, when the pressure is higher than a set value, an audible and visual alarm is given, and the opening of the discharge valve is automatically adjusted by time delay according to the pressure.
3. The hot blast stove is provided with the pressure alarm and the temperature sensor, so that high/low pressure alarm can be realized, and the frequency of the fan can be automatically adjusted according to the pressure in a time delay manner.
4. The pressure sensor is arranged on the pyrolysis liquid buffer tank, and when the pressure value is close to or exceeds a set value, the audible and visual alarm is given; if the pressure continues to rise, an external discharge valve on the pyrolysis gas main pipe is opened, and the redundant noncondensable gas is sent to other systems for use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a process flow diagram of the present utility model.
In the figure: 1 a pyrolysis furnace, 2 a pyrolysis condenser group, 3 a flue gas purification system, 4 a pyrolysis liquid temporary storage tank, 5 a hot blast stove and 6 an oil-water separation system.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1-2 illustrate one embodiment of a batch pyrolysis system according to this utility model: the device comprises a plurality of groups of intermittent furnaces, wherein non-condensable gas pipelines among the intermittent furnaces are communicated and are controlled to be disconnected through valves;
each group of intermittent furnaces comprises a pyrolysis furnace 1, a pyrolysis condenser group 2, a flue gas purification system 3, a pyrolysis liquid temporary storage tank 4, a hot blast stove 5 and an oil-water separation system 6; the pyrolysis gas pipe of the pyrolysis furnace 1 is connected to a pyrolysis condenser group 2, the jacket waste gas is connected to a flue gas purification system 3, and the liquid outlet pipe of the pyrolysis condenser group 2 is connected to a pyrolysis heat temporary storage tank 4; a pressure transmitter is arranged on the pyrolysis furnace 1; a pressure sensor is arranged on the pyrolysis liquid cache tank 4; the air outlet pipe of the pyrolysis condenser group 2 is connected to a hot blast stove 5 and another group of intermittent furnaces, and the hot blast stove 5 is connected with the pyrolysis furnace 1 through a pipeline; the hot blast stove 5 is provided with a pressure alarm and a temperature sensor; the pyrolysis liquid temporary storage tank 4 is connected with the oil-water separation system 6 through a pipeline.
Description of the process (as shown in fig. 2): filling waste to be treated into a pyrolysis furnace through a forklift or a mechanical auxiliary device, then closing a furnace door for indirect heating, and decomposing organic matters into solid matters and gaseous matters by heating, wherein the solid matters are regenerated carbon, and the gaseous matters are pyrolysis gas; cooling the pyrolysis gas, separating the pyrolysis gas into a gas phase and a liquid phase, wherein the liquid phase is pyrolysis liquid, and sending the pyrolysis liquid into an oil-water separation system for further treatment; the gas phase is non-condensable gas, and then enters a non-condensable gas purifying system and enters a hot blast stove for combustion, part of generated hot air supplies heat to a pyrolysis furnace, and the rest part is treated by a flue gas purifying system and discharged after reaching the standard; in the process flow, cold air is fed into a pyrolysis furnace jacket to accelerate cooling of materials in a cold furnace stage, and after the materials enter the cold furnace stage for 10 minutes, the cold furnace air is discharged outside through a switching valve.
Description of the utilization of the energy of the excess noncondensable gases: the non-condensable gas pipelines of six intermittent furnaces can be adopted for communication, and the on-off of the non-condensable gas pipelines is controlled through a valve; in actual production engineering, the production period of the intermittent furnace is reasonably staggered, namely when the furnace A produces a large amount of gas, the furnace B (or the C/D/E/F furnace) is in a material heating stage, and the surplus non-condensable gas of the furnace A is sent to the hot blast stove of the furnace B (or the C/D/E/F furnace) for burning and heating, and vice versa.
The waste gas treatment system is one-to-two, namely two pyrolysis devices are provided with one set of waste gas treatment system; under the mode of one driving two, a single set of waste gas treatment equipment needs to be capable of respectively meeting the requirements of waste gas treatment under two working conditions of independent starting-up of a single pyrolysis equipment and simultaneous starting-up of two pyrolysis equipment.
The applicant has further stated that the present utility model is described by the above examples as to the implementation method and apparatus structure of the present utility model, but the present utility model is not limited to the above embodiments, i.e. it does not mean that the present utility model must be implemented by the above methods and structures. It should be apparent to those skilled in the art that any modifications of the present utility model, equivalent substitutions for the implementation method selected for the present utility model, addition of steps, selection of specific modes, etc., fall within the scope of the present utility model and the scope of the disclosure.
The present utility model is not limited to the above embodiments, and all modes of achieving the object of the present utility model by adopting the structure and method similar to those of the present utility model are within the scope of the present utility model.
Claims (4)
1. An intermittent pyrolysis system, characterized in that: the device comprises a plurality of groups of intermittent furnaces, wherein non-condensable gas pipelines among the intermittent furnaces are communicated and are controlled to be disconnected through valves;
each group of intermittent furnaces comprises a pyrolysis furnace (1), a pyrolysis condenser group (2), a flue gas purification system (3), a pyrolysis liquid temporary storage tank (4), a hot blast stove (5) and an oil-water separation system (6);
the pyrolysis gas pipe of the pyrolysis furnace (1) is connected to the pyrolysis condenser group (2), the jacket waste gas is connected to the flue gas purification system (3), and the liquid outlet pipe of the pyrolysis condenser group (2) is connected to the pyrolysis liquid temporary storage tank (4);
the air outlet pipe of the pyrolysis condenser group (2) is connected to a hot blast stove (5) and another group of intermittent furnaces, and the hot blast stove (5) is connected with the pyrolysis furnace (1) through a pipeline;
the pyrolysis liquid temporary storage tank (4) is connected with the oil-water separation system (6) through a pipeline.
2. The batch pyrolysis system of claim 1 wherein: the pressure transmitter is arranged on the pyrolysis furnace (1).
3. The batch pyrolysis system of claim 1 wherein: the hot blast stove (5) is provided with a pressure alarm and a temperature sensor.
4. The batch pyrolysis system of claim 1 wherein: and a pressure sensor is arranged on the pyrolysis liquid temporary storage tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320588120.2U CN219664719U (en) | 2023-03-23 | 2023-03-23 | Intermittent pyrolysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320588120.2U CN219664719U (en) | 2023-03-23 | 2023-03-23 | Intermittent pyrolysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219664719U true CN219664719U (en) | 2023-09-12 |
Family
ID=87925433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320588120.2U Active CN219664719U (en) | 2023-03-23 | 2023-03-23 | Intermittent pyrolysis system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219664719U (en) |
-
2023
- 2023-03-23 CN CN202320588120.2U patent/CN219664719U/en active Active
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