CN212335112U - Tar processing system applied to comprehensive household garbage processing system - Google Patents
Tar processing system applied to comprehensive household garbage processing system Download PDFInfo
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- CN212335112U CN212335112U CN202020589182.1U CN202020589182U CN212335112U CN 212335112 U CN212335112 U CN 212335112U CN 202020589182 U CN202020589182 U CN 202020589182U CN 212335112 U CN212335112 U CN 212335112U
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Abstract
The utility model discloses a tar processing system applied to a domestic garbage comprehensive treatment system, which comprises a pretreatment section, a distillation catalytic treatment section and a refining treatment section. The pretreatment section comprises a steam generator, a primary separation tank, a secondary separation tank, a sedimentation separator and a raw oil storage tank which are connected in sequence through pipelines in the mixed oil treatment sequence. The distillation catalytic treatment section comprises a fractionation device, a primary heat exchanger, a secondary heat exchanger, a high-level metering tank, a primary gasification furnace, a flash tower, a secondary gasification furnace and a catalytic tower which are connected in sequence through pipelines according to the treatment sequence of the third mixed oil. The refining treatment section comprises a refining reactor, a decoloring reactor, a primary deodorizing reactor, a secondary deodorizing reactor and a finished diesel tank which are connected in sequence through pipelines in a non-standard diesel treatment sequence. The utility model recycles the tar, achieves the purpose of environmental protection and further reduces the environmental pollution.
Description
Technical Field
The utility model relates to a domestic waste treatment technology, specific saying so relates to a tar processing system who is applied to among domestic waste integrated processing system.
Background
The rapid development of production improves the living standard of residents, the commodity consumption is rapidly increased, the discharge amount of garbage is increased, and if the garbage is freely discharged, managed and treated, the garbage can cause public hazard, destroy the ecological environment and endanger the health of people.
Municipal waste is a mixture of solid waste in cities, including industrial waste, construction waste and household waste.
The urban domestic garbage treatment modes widely adopted at home and abroad mainly comprise sanitary landfill, high-temperature composting, incineration and the like, and the proportion of the three main garbage treatment modes is different according to different factors such as geographical environment, garbage components, economic development level and the like. Because the urban garbage has complex components and is influenced by factors such as economic development level, structural capacity, natural conditions, traditional habits and the like, the treatment of the urban garbage abroad is generally different according to the national conditions, different treatment modes are adopted in all regions in one country, and a uniform mode is difficult to exist.
Wherein, the sanitary landfill wastes a large amount of land resources and is easy to cause pollution to underground water sources and the like; the volume of the garbage can be reduced by 50-95% by burning for power generation, but the investment is large, the cost is high, harmful substances such as dioxin, mercury and the like can be released, the residual slag and dust are toxic and harmful, and a large amount of recyclable resources are burned; the composting period is long, and organic matters and inorganic matters can be recycled only by split charging.
Therefore, a comprehensive garbage disposal system is required to solve the above problems.
In the process of treating the household garbage, tar is generated, and how to treat the tar needs a tar treatment system to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the deficiency in the prior art, the to-be-solved technical problem of the utility model lies in providing a tar processing system who is applied to among the domestic waste integrated processing system, and the purpose of designing this tar processing system is in order to carry out environmental protection processing with pollution abatement with the tar after the production waste handles.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a be applied to tar processing system among domestic waste integrated processing system, this tar processing system includes:
a pre-treatment section comprising: the system comprises a steam generator, a primary separating tank, a secondary separating tank, a sedimentation separator and a raw oil storage tank which are sequentially connected in the mixed oil treatment order through pipelines, wherein the raw oil storage tank collects third mixed oil treated by the mixed oil;
a distillation catalytic treatment section comprising: the fractionating device, the primary heat exchanger, the secondary heat exchanger, the high-level metering tank, the primary gasification furnace, the flash tower, the secondary gasification furnace and the catalytic tower are sequentially connected in the processing sequence of the third mixed oil through pipelines, wherein the fractionating device receives the third mixed oil from the raw oil storage tank through a pipeline with a pump, and the oil entering the catalytic tower after the third mixed oil is processed by the distillation catalytic processing section is gaseous non-standard diesel oil and liquid residual oil;
the refining treatment section comprises a refining reactor, a decoloring reactor, a primary deodorizing reactor, a secondary deodorizing reactor and a finished diesel tank which are connected in sequence by a pipeline in a non-standard diesel treatment sequence;
wherein, the heat sources of the primary heat exchanger, the secondary heat exchanger, the primary gasification furnace, the primary heat exchanger and the secondary heat exchanger are all provided by a biomass boiler.
Further, the steam generator receives mixed oil of carbonization tar oil generated after garbage treatment by the anaerobic carbonization system and solvent oil used for cooling carbonization smoke, the mixed oil is heated by steam, the heated mixed oil is conveyed to the primary separation tank, the primary separation tank is provided with a first stirring device, emulsion agents are added into the mixed oil in the primary separation tank, the mixed oil is separated into water and heavy metal components under the action of the first stirring device and a demulsifier to form first mixed oil, the separated first mixed oil is conveyed to the secondary separation tank, the secondary separation tank is provided with a second stirring device, an coagulant is added into the first mixed oil in the secondary separation tank, and the first mixed oil is further subjected to light component impurities removal and water under the action of the second stirring device and the coagulant to form second mixed oil, and the second mixed oil is sent to the sedimentation separator, the sedimentation separator carries out precipitation treatment on the second mixed oil for a period of time, the second mixed oil is subjected to precipitation treatment to separate out trace oil-soluble impurities to form third mixed oil, and the third mixed oil reaches the use standard and is sent to the raw oil storage tank.
Furthermore, a heat preservation device is arranged on the raw oil storage tank.
Further, the third mixed oil enters the fractionating device to be refined and fractionated to form fourth mixed oil, the fourth mixed oil enters the high-level metering tank through secondary heat exchange, the fourth mixed oil in the high-level metering tank is output and enters the flash tower through the primary gasification furnace, the flash tower separates the fourth mixed oil into light solvent oil in an evaporation mode, the light solvent oil is output to an oil-water separator through a pipeline, a light oil condenser is arranged in the pipeline to condense the gaseous light solvent oil, the oil-water separator separates the light solvent oil into wastewater and solvent oil, the solvent oil is sent to a solvent oil finished product tank, and the wastewater is sent to a wastewater collection tank; the oil output from the bottom of the flash tower is sent into the catalytic tower through a secondary gasification furnace, the top of the catalytic tower is provided with an air outlet, a first condenser is arranged at the air outlet, the gaseous substance entering the catalytic tower enters the first condenser through the air outlet, the first condenser condenses the gaseous substance into liquid mixed oil and sends the liquid mixed oil into a fuel oil-water separator, the fuel oil-water separator separates the received liquid mixed oil into non-standard diesel oil and wastewater, the wastewater is conveyed to the wastewater collection tank through a pipeline, and the non-standard diesel oil is output to a refining treatment section; and a discharge port is formed in the bottom of the catalytic tower, the unvaporized residual oil is output through the discharge port and sequentially passes through a secondary heat exchanger to enter a second condenser, and the second condenser condenses the residual oil to form asphalt-like slag oily matter and finally enters a slag oil tank for storage.
Furthermore, an intermediate tank is arranged in a pipeline between the refining reactor and the second condenser, non-standard diesel oil is collected in the intermediate tank, an oil pump conveys the non-standard diesel oil in the intermediate tank to the refining reactor and adds a flocculating agent into the refining reactor, the non-standard diesel oil is removed under the action of the flocculating agent except the coke and asphaltene components in the non-standard diesel oil to form first non-standard diesel oil, the first non-standard diesel oil is conveyed to the decolorization reactor and a decolorization oxidant is added into the decolorization reactor, the first non-standard diesel oil is oxidized under the action of the decoloration oxidant to form second non-standard diesel oil, and the second non-standard diesel oil sequentially passes through the primary deodorizing reactor and the secondary deodorizing reactor, impurities and odor in the oil are filtered out to form finished diesel oil, and the finished diesel oil is conveyed to the finished diesel oil tank for storage.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses tar processing system handles the tar that produces among the domestic waste treatment, and the tar separation becomes finished product diesel oil, solvent oil, residual oil and waste water after handling. The utility model discloses tar processing system recycles tar, reaches the purpose of environmental protection, and then reduces environmental pollution.
Drawings
FIG. 1 is a first block diagram of a tar treatment system according to the present invention.
FIG. 2 is a second block diagram of the tar treatment system of the present invention.
FIG. 3 is a third block diagram of the tar treatment system of the present invention.
Detailed Description
The technical solution 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, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
referring to fig. 1-3, the utility model discloses a tar processing system for use in a domestic waste integrated processing system, this tar processing system includes:
a pre-treatment section comprising: the system comprises a steam generator, a primary separating tank, a secondary separating tank, a sedimentation separator and a raw oil storage tank which are sequentially connected in the mixed oil treatment order through pipelines, wherein the raw oil storage tank collects third mixed oil treated by the mixed oil;
a distillation catalytic treatment section comprising: the fractionating device, the primary heat exchanger, the secondary heat exchanger, the high-level metering tank, the primary gasification furnace, the flash tower, the secondary gasification furnace and the catalytic tower are sequentially connected in the processing sequence of the third mixed oil through pipelines, wherein the fractionating device receives the third mixed oil from the raw oil storage tank through a pipeline with a pump, and the oil entering the catalytic tower after the third mixed oil is processed by the distillation catalytic processing section is gaseous non-standard diesel oil and liquid residual oil;
the refining treatment section comprises a refining reactor, a decoloring reactor, a primary deodorizing reactor, a secondary deodorizing reactor and a finished diesel tank which are connected in sequence by a pipeline in a non-standard diesel treatment sequence;
wherein, the heat sources of the primary heat exchanger, the secondary heat exchanger, the primary gasification furnace, the primary heat exchanger and the secondary heat exchanger are all provided by a biomass boiler.
A preferred technical solution of this embodiment: the steam generator receives mixed oil of carbonized tar generated after garbage treatment in an anaerobic carbonization system and solvent oil used for cooling carbonized smoke, the mixed oil is heated by steam, the heated mixed oil is conveyed to the primary separating tank, the primary separating tank is provided with a first stirring device, emulsion is added into the mixed oil in the primary separating tank, the mixed oil is separated into water and heavy metal components under the action of the first stirring device and an emulsion splitter to form first mixed oil, the separated first mixed oil is conveyed to the secondary separating tank, the secondary separating tank is provided with a second stirring device, coagulant is added into the first mixed oil in the secondary separating tank, and the first mixed oil is further subjected to light component impurity removal and water under the action of the second stirring device and the coagulant to form second mixed oil, and the second mixed oil is sent to the sedimentation separator, the sedimentation separator carries out precipitation treatment on the second mixed oil for a period of time, the second mixed oil is subjected to precipitation treatment to separate out trace oil-soluble impurities to form third mixed oil, and the third mixed oil reaches the use standard and is sent to the raw oil storage tank.
A preferred technical solution of this embodiment: and a heat preservation device is arranged on the raw oil storage tank.
A preferred technical solution of this embodiment: the third mixed oil enters the fractionating device to be refined and fractionated to form fourth mixed oil, the fourth mixed oil enters the high-level metering tank through secondary heat exchange, the fourth mixed oil in the high-level metering tank is output to enter the flash tower through the primary gasification furnace, the flash tower separates the fourth mixed oil into light solvent oil in an evaporation mode, the light solvent oil is output to an oil-water separator through a pipeline, a light oil condenser is arranged in the pipeline to condense the gaseous light solvent oil, the oil-water separator separates the light solvent oil into wastewater and solvent oil, the solvent oil is sent to a solvent oil finished product tank, and the wastewater is sent to a wastewater collection tank; the oil output from the bottom of the flash tower is sent into the catalytic tower through a secondary gasification furnace, the top of the catalytic tower is provided with an air outlet, a first condenser is arranged at the air outlet, the gaseous substance entering the catalytic tower enters the first condenser through the air outlet, the first condenser condenses the gaseous substance into liquid mixed oil and sends the liquid mixed oil into a fuel oil-water separator, the fuel oil-water separator separates the received liquid mixed oil into non-standard diesel oil and wastewater, the wastewater is conveyed to the wastewater collection tank through a pipeline, and the non-standard diesel oil is output to a refining treatment section; and a discharge port is formed in the bottom of the catalytic tower, the unvaporized residual oil is output through the discharge port and sequentially passes through a secondary heat exchanger to enter a second condenser, and the second condenser condenses the residual oil to form asphalt-like slag oily matter and finally enters a slag oil tank for storage.
A preferred technical solution of this embodiment: an intermediate tank is arranged in a pipeline between the refining reactor and the second condenser, non-standard diesel oil is taken in by the intermediate tank, an oil pump conveys the non-standard diesel oil in the intermediate tank to the refining reactor and adds a flocculating agent into the refining reactor, the non-standard diesel oil is removed under the action of the flocculating agent except the coke and asphaltene components in the non-standard diesel oil to form first non-standard diesel oil, the first non-standard diesel oil is conveyed to the decolorization reactor and a decolorization oxidant is added into the decolorization reactor, the first non-standard diesel oil is oxidized under the action of the decoloration oxidant to form second non-standard diesel oil, and the second non-standard diesel oil sequentially passes through the primary deodorizing reactor and the secondary deodorizing reactor, impurities and odor in the oil are filtered out to form finished diesel oil, and the finished diesel oil is conveyed to the finished diesel oil tank for storage.
Example 2:
the following is the process of the tar treatment system, and the general diagram of the tar treatment system of the utility model is shown after the combination of the figures 1-3.
Firstly, raw material sources are as follows:
the raw materials are from the mixture of carbonized tar generated by the high-temperature carbonization process treatment of household garbage and kitchen garbage and solvent oil (used for cooling carbonized smoke).
II, the properties of the raw materials:
the tar contains a large amount of coke and asphaltene and has high density and viscosity. But the physical and chemical indexes are similar to the indexes of diesel components. After being processed, the fuel oil can be used as fuel oil, and the market demand is very large, because the price of the fuel oil is only half of that of other fuel oils, the fuel oil has very strong market competitiveness. The economic benefit is considerable, and the social effect conforms to the aim of recycling environmental protection wastes.
Thirdly, carrying out pretreatment on the raw materials:
1. pretreatment: the mixed oil is heated to about 70 ℃ by steam with the temperature of about 130 ℃ provided by a steam generator, enters a first-stage stirring tank (separator), and is separated from most of water and heavy metal components (13% of water and 1% of impurities) under the action of a demulsifier. The separated oil product enters a secondary separation tank, a small amount of light component impurities such as water and the like of the oil product account for about 1% under the action of stirring and a flocculating agent, and then the oil product is further purified by a sedimentation separator for about 12 hours of sedimentation time to remove trace oil-soluble impurities in the oil product, so that the mixed oil enters a raw oil storage tank for heat preservation and standby after reaching the use standard.
2. And (3) distillation catalytic treatment: the pretreated mixed oil enters a refining and fractionating device: after secondary heat exchange, the oil enters a metering high-level tank and then enters a flash tower through primary vaporization, part of the light solvent oil is separated out and accounts for about 15%, and the bottom oil enters a top vapor phase of a catalytic tower after secondary vaporization and enters a diesel oil (fuel oil tank) tank after being cooled, and the content of the bottom oil is about 70%. And the bottom residual oil enters a residual oil tank after secondary heat exchange and cooling.
3. Refining treatment: pumping the refined non-standard diesel oil from the intermediate tank into a refining reactor to react with a flocculating agent, removing coke and asphaltene components in the oil product, then entering a decoloring reactor, fully contacting and reacting under the action of a decoloring oxidant to perform an oxidation reaction, and filtering by a secondary deodorizing reactor to completely remove impurities and odor in the oil. About 1 percent. The light solvent oil enters the distillation tower in the finished oil storage tank and is processed to achieve the effects of decoloring and deodorizing.
Fourthly, explaining a material treatment process:
1. the feeding amount is controlled by a feeding high-level metering tank and a balance valve at the inlet and the outlet of a feeding pump.
2. The liquid level of the high-level metering tank is controlled and adjusted by the liquid level at the bottom of the flash tower (automatic valve combination of instruments and a liquid level meter).
3. The liquid level of the flash tower is controlled and adjusted by the liquid level of the bottom of the catalytic tower.
4. The liquid level at the bottom of the catalytic tower is adjusted in series by the liquid level at the bottom of the flash tower.
5. Therefore, the liquid level and the vaporization temperature of each tower bottom are well controlled, and the double balance of materials and heat can be ensured.
6. The liquid level temperature control adopts a serial connection and parallel connection adjusting mode to realize automatic operation by using a pneumatic membrane adjusting valve.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (5)
1. A tar processing system applied to a household garbage comprehensive processing system comprises:
a pre-treatment section comprising: the system comprises a steam generator, a primary separating tank, a secondary separating tank, a sedimentation separator and a raw oil storage tank which are sequentially connected in the mixed oil treatment order through pipelines, wherein the raw oil storage tank collects third mixed oil treated by the mixed oil;
a distillation catalytic treatment section comprising: the fractionating device, the primary heat exchanger, the secondary heat exchanger, the high-level metering tank, the primary gasification furnace, the flash tower, the secondary gasification furnace and the catalytic tower are sequentially connected in the processing sequence of the third mixed oil through pipelines, wherein the fractionating device receives the third mixed oil from the raw oil storage tank through a pipeline with a pump, and the oil entering the catalytic tower after the third mixed oil is processed by the distillation catalytic processing section is gaseous non-standard diesel oil and liquid residual oil;
the refining treatment section comprises a refining reactor, a decoloring reactor, a primary deodorizing reactor, a secondary deodorizing reactor and a finished diesel tank which are connected in sequence by a pipeline in a non-standard diesel treatment sequence;
wherein, the heat sources of the primary heat exchanger, the secondary heat exchanger, the primary gasification furnace, the primary heat exchanger and the secondary heat exchanger are all provided by a biomass boiler.
2. The tar processing system as claimed in claim 1, wherein the steam generator receives a mixture of carbonized tar produced by the anaerobic carbonization system after processing garbage and solvent oil used for cooling carbonized flue gas, the mixture is heated by steam, the heated mixture is delivered to the primary separation tank, the primary separation tank is provided with a first stirring device, and emulsion agent is added into the mixture in the primary separation tank, the mixture separates water and heavy metal components under the action of the first stirring device and the emulsion breaker to form a first mixture, the first mixture is delivered to the secondary separation tank, the secondary separation tank is provided with a second stirring device, and coagulation agent is added into the first mixture in the secondary separation tank, and the first mixture further contains light components and impurities under the action of the second stirring device and the coagulation agent And water to form second mixed oil, wherein the second mixed oil is sent to the sedimentation separator, the sedimentation separator carries out precipitation treatment on the second mixed oil for a period of time, the second mixed oil is subjected to precipitation treatment to separate out trace oil-soluble impurities to form third mixed oil, and the third mixed oil reaches the use standard and is sent to the raw oil storage tank.
3. The tar processing system applied to the comprehensive household garbage processing system as claimed in claim 2, wherein a heat insulation device is arranged on the raw oil storage tank.
4. The tar processing system applied to the comprehensive household garbage processing system as claimed in claim 1, wherein the third mixed oil enters the fractionating apparatus for refining and fractionating to form a fourth mixed oil, the fourth mixed oil enters the high-level metering tank through secondary heat exchange, the fourth mixed oil in the high-level metering tank is output through the primary gasification furnace and enters the flash tower, the flash tower separates the fourth mixed oil into the light solvent oil through evaporation, the light solvent oil is output through a pipeline to an oil-water separator, a light oil condenser is arranged in the pipeline to condense the gaseous light solvent oil, the oil-water separator separates the light solvent oil into the wastewater and the solvent oil, the solvent oil is sent to a finished solvent oil tank, and the wastewater is sent to a wastewater collection tank; the oil output from the bottom of the flash tower is sent into the catalytic tower through a secondary gasification furnace, the top of the catalytic tower is provided with an air outlet, a first condenser is arranged at the air outlet, the gaseous substance entering the catalytic tower enters the first condenser through the air outlet, the first condenser condenses the gaseous substance into liquid mixed oil and sends the liquid mixed oil into a fuel oil-water separator, the fuel oil-water separator separates the received liquid mixed oil into non-standard diesel oil and wastewater, the wastewater is conveyed to the wastewater collection tank through a pipeline, and the non-standard diesel oil is output to a refining treatment section; and a discharge port is formed in the bottom of the catalytic tower, the unvaporized residual oil is output through the discharge port and sequentially passes through a secondary heat exchanger to enter a second condenser, and the second condenser condenses the residual oil to form asphalt-like slag oily matter and finally enters a slag oil tank for storage.
5. The tar processing system applied to the comprehensive household garbage processing system as claimed in claim 4, wherein an intermediate tank is disposed in the pipeline between the refining reactor and the second condenser, the intermediate tank receives non-standard diesel oil, an oil pump delivers the non-standard diesel oil in the intermediate tank to the refining reactor and adds a flocculating agent to the refining reactor, the non-standard diesel oil is removed by the flocculating agent except for coke and asphaltene components in the non-standard diesel oil to form a first non-standard diesel oil, the first non-standard diesel oil is delivered to the decolorizing reactor and is added with a decolorizing oxidant, the first non-standard diesel oil is oxidized by the decolorizing oxidant to form a second non-standard diesel oil, and the second non-standard diesel oil is sequentially filtered by the primary deodorizing reactor and the secondary deodorizing reactor to form finished diesel oil by filtering impurities and odor in the oil, and conveying the finished diesel oil to the finished diesel oil tank for storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020589182.1U CN212335112U (en) | 2020-04-17 | 2020-04-17 | Tar processing system applied to comprehensive household garbage processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020589182.1U CN212335112U (en) | 2020-04-17 | 2020-04-17 | Tar processing system applied to comprehensive household garbage processing system |
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| CN212335112U true CN212335112U (en) | 2021-01-12 |
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| CN202020589182.1U Expired - Fee Related CN212335112U (en) | 2020-04-17 | 2020-04-17 | Tar processing system applied to comprehensive household garbage processing system |
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- 2020-04-17 CN CN202020589182.1U patent/CN212335112U/en not_active Expired - Fee Related
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Granted publication date: 20210112 |