CN110631026A - Special incinerator for plants - Google Patents
Special incinerator for plants Download PDFInfo
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- CN110631026A CN110631026A CN201910989920.3A CN201910989920A CN110631026A CN 110631026 A CN110631026 A CN 110631026A CN 201910989920 A CN201910989920 A CN 201910989920A CN 110631026 A CN110631026 A CN 110631026A
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- Prior art keywords
- hearth
- secondary combustion
- incinerator
- combustion chamber
- arch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
- F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/26—Biowaste
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a special plant incinerator, which comprises an incinerator body and an incinerator body base, wherein the incinerator body is divided into a secondary combustion chamber and a hearth through an arch structure; a smoke outlet is formed in one end of the secondary combustion chamber, a hearth formed by a plurality of fire grates is arranged at the bottom of the hearth, a feeding hole is formed above one end of the hearth, and an ash outlet is formed below the other end of the hearth; and a transmission mechanism base is arranged on one side of the furnace body, and a chain type transmission mechanism for driving the fire grate to move is arranged on the transmission mechanism base. By adopting the incinerator, the rich oxygen full combustion of the enriched plant harvest can be realized, the combustion time of the materials and the retention time of the smoke are delayed, and the organic matter components and the particulate matters in the burned smoke are greatly reduced. Meanwhile, the incinerator integrates secondary combustion, and has the advantages of reasonable structure, low cost, less slag, low fly ash and greatly reduced harmful components in tail gas after incineration.
Description
Technical Field
The invention relates to the field of plant incineration equipment, in particular to a special plant incinerator.
Background
At present, the polluted cultivated land area of China is nearly 2000 kilohm2It occupies about one fifth of the total area of the farmland. The grain yield reduced by soil pollution in each year is up to 1000 kilotons, and the direct economic loss is up to more than 100 billion yuan. Soil heavy metal pollution source bagThe method comprises the discharge of three wastes, the mining and smelting of mines, the application of chemical fertilizers and pesticides, the discharge of municipal domestic garbage, sewage irrigation, sludge agriculture and the like. Heavy metals causing soil pollution mainly comprise As, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Zn and the like, and are generally the combined pollution of several heavy metals.
The phytoremediation technology is a new heavy metal contaminated soil remediation technology and is widely applied to the treatment of heavy metal contaminated soil in recent years. Phytoremediation techniques remediate the environment by applying plants to decompose, remove, or otherwise occlude various contaminants contained in the contaminated area. The plant restoration technology is used for restoring polluted air land and water source, the required cost is low, and the plants can also play the roles of keeping water and soil and preventing water and soil loss. However, since the super-enriched plant must have a characteristic of a high growth rate, the biomass of the restored super-enriched plant is very large.
The end treatment of plant restoration is always a difficult problem, and how to effectively treat the enriched plant harvest to prevent secondary pollution becomes a research hotspot. At present, the most effective method for enriching the plant harvest is a burning method, the amount of the plant harvest is reduced and the plant harvest is harmless through burning, and effective equipment special for burning and disposing the enriched plant is not available on the market.
Disclosure of Invention
In view of the above, the present invention provides a reliable incinerator dedicated for plants for safe incineration disposal of the enriched plant harvest, which can realize the oxygen-enriched complete combustion of the enriched plant harvest, delay the combustion time of the material and the retention time of the flue gas, and greatly reduce the organic matter components and particulate matters in the incinerated flue gas. Meanwhile, the incinerator integrates secondary combustion, and has the advantages of reasonable structure, low cost, less slag, low fly ash and greatly reduced harmful components in tail gas after incineration.
The invention solves the problems through the following technical means: a plant special incinerator comprises an incinerator body and an incinerator body base, wherein the incinerator body is divided into a secondary combustion chamber and a hearth through an arch structure, the arch structure comprises a front arch and a rear arch, and a flue gas channel for communicating the secondary combustion chamber and the hearth is formed between the front arch and the rear arch; the secondary combustion chamber and the hearth are provided with a temperature measuring point, a burner mounting port, an observation port and a pressure measuring point, the secondary combustion chamber is provided with a secondary combustion chamber oxygen supplementing port, the hearth is provided with a hearth oxygen supplementing port, and one end of the secondary combustion chamber is provided with a flue gas outlet; a hearth consisting of a plurality of fire grates is arranged at the bottom of the hearth, a feed inlet is arranged above one end of the hearth, and an ash outlet is arranged below the other end of the hearth; and a transmission mechanism base is arranged on one side of the furnace body, and a chain type transmission mechanism for driving the fire grate to move is arranged on the transmission mechanism base.
Furthermore, the furnace body is provided with an access hole.
Further, the furnace body base is made of carbon steel and is insulated by rock wool.
Further, the front arch, the rear arch and the side wall of the furnace body are all made of aluminum silicate materials.
Further, the airflow guide surface of the front arch is a cambered surface, and the airflow guide surface of the rear arch is an inclined surface.
Further, the hearth is arranged from the feeding port end to the ash outlet end in an inclined downward mode.
The invention has the beneficial effects that: the special plant incinerator comprises an incinerator body and an incinerator body base, wherein the incinerator body is divided into a secondary combustion chamber and a hearth through an arch structure, the arch structure comprises a front arch and a rear arch, and a flue gas channel for communicating the secondary combustion chamber and the hearth is formed between the front arch and the rear arch; the secondary combustion chamber and the hearth are provided with a temperature measuring point, a burner mounting port, an observation port and a pressure measuring point, the secondary combustion chamber is provided with a secondary combustion chamber oxygen supplementing port, the hearth is provided with a hearth oxygen supplementing port, and one end of the secondary combustion chamber is provided with a flue gas outlet; a hearth consisting of a plurality of fire grates is arranged at the bottom of the hearth, a feed inlet is arranged above one end of the hearth, and an ash outlet is arranged below the other end of the hearth; and a transmission mechanism base is arranged on one side of the furnace body, and a chain type transmission mechanism for driving the fire grate to move is arranged on the transmission mechanism base. By adopting the incinerator, the rich oxygen full combustion of the enriched plant harvest can be realized, the combustion time of the materials and the retention time of the smoke are delayed, and the organic matter components and the particulate matters in the burned smoke are greatly reduced. Meanwhile, the incinerator integrates secondary combustion, and has the advantages of reasonable structure, low cost, less slag, low fly ash and greatly reduced harmful components in tail gas after incineration.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic diagram of the present invention.
Wherein, 1-a feed inlet; 2-temperature measuring point; 3-front arch; 4-a secondary combustion chamber; 5-secondary combustion chamber oxygen supplement port; 6-burner mounting port; 7-a viewing port; 8-rear arch; 9-pressure measuring point; 10-a flue gas outlet; 11-a furnace body side wall; 12-a transmission mechanism base; 13-chain transmission mechanism; 14-hearth oxygen supplement port; 15 a furnace body base; 16-access hole; 17-a hearth; 18-a furnace chamber; 19-ash outlet.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples. The features and advantages of the present invention will become more apparent from the description. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments.
As shown in fig. 1, the special plant incinerator of this embodiment includes an incinerator body and an incinerator body base 15, the incinerator body is provided with an access opening 16, the incinerator body is divided into a secondary combustion chamber 4 and a hearth 18 by an arch structure, the arch structure includes a front arch 3 and a rear arch 8, and a flue gas channel communicating the secondary combustion chamber and the hearth is formed between the front arch and the rear arch; the secondary combustion chamber and the hearth are provided with a temperature measuring point 2, a burner mounting port 7, an observation port 7 and a pressure measuring point 9, the secondary combustion chamber is provided with a secondary combustion chamber oxygen supplementing port 5, the hearth is provided with a hearth oxygen supplementing port 14, and one end of the secondary combustion chamber is provided with a flue gas outlet 10; a hearth 17 consisting of a plurality of fire grates is arranged at the bottom of the hearth, a feeding hole 1 is arranged above one end of the hearth, and an ash outlet 19 is arranged below the other end of the hearth; one side of the furnace body is provided with a transmission mechanism base 12, and a chain type transmission mechanism 13 for driving the fire grate to move is arranged on the transmission mechanism base.
In order to make the above solution more clear, the specific structure of the present application is described in more detail below:
the incinerator adopts a horizontal reciprocating grate furnace structure, the grate adopts an upper air outlet and a front air outlet, and the air holes are in a Venturi form, so that the grate is cooled better and oxygen is supplemented for material combustion. The furnace body base 15 is made of carbon steel, and rock wool keeps warm; the front arch 3, the rear arch 8 and the side wall 11 of the furnace body are made of aluminum silicate materials and can resist high temperature; the front arch 3 and the rear arch 8 form a splayed structure, the airflow guide surface of the front arch is a cambered surface, the airflow guide surface of the rear arch is an inclined surface, and the unique design form of the rear arch 8 can better press fire and reflect flame to the front arch 3, so that the material is pre-burned and heated, and the combustion efficiency is improved. The hearth 17 is composed of a plurality of fire grates, the hearth is arranged from a feeding port end to an ash outlet end in an inclined downward manner, and an inclined angle of 10 degrees is formed between the hearth and the bottom of the furnace body, so that the material is conveniently conveyed; the fire grate is made of precise heat-resistant cast steel, the chain type transmission mechanism 13 is arranged on the transmission mechanism base 12 and is driven by a chain wheel, the chain wheel is composed of a plurality of chain wheels, and the running speed of the fire grate can be freely adjusted.
The feeding hole 1 is hopper-shaped, and the bottom is provided with a grate, so that materials can fall into the grate directly after being thrown into the feeding hole; six temperature measuring points 2 are arranged, three are distributed on the secondary combustion chamber 4, and three are distributed on the hearth 18 and used for monitoring the temperature in the furnace in real time. The pressure measuring points 9 are distributed on the secondary combustion chamber 4 and the hearth 18 and used for monitoring the pressure in the furnace in real time.
The burner mounting port 6 and the observation port 7 are respectively provided with two positions which are respectively positioned on the secondary combustion chamber 4 and the hearth 18 and are used for mounting a burner and observing flame in the furnace; the viewing port 7 is angled to the furnace wall to ensure that the centre of the flame is visible from the viewing port 7.
The incinerator is provided with a plurality of access ports 16 for equipment maintenance and service.
The working process of this example is illustrated below by way of example of incineration disposal of the enriched plants:
the enriched plant harvest is conveyed to the feeding hole 1 by a feeding mechanism after being subjected to early-stage treatment, and a grate mechanism is arranged below the feeding hole. Driven by the chain transmission mechanism 13, the fire grate runs clockwise, and materials are gradually conveyed into the hearth 18. In the hearth 18, the burner is ignited to provide a fire source, the blower provides oxygen-enriched air, so that the materials are fully combusted in the hearth 18, the hearth space is large, the materials are conveniently and fully combusted, and the residence time of the smoke is prolonged. The burning temperature is maintained above 800 ℃, organic matters in the wastes can be fully oxidized, and the burning efficiency reaches 99.99 percent. The burnt-out slag enters the ash outlet 19 along with the movement of the fire grate, and a slag remover is arranged at the bottom of the ash outlet to collect the slag. The incinerated flue gas enters a secondary combustion chamber 4 (as shown by arrows in figure 1), and is incinerated again in the secondary combustion chamber 4, the secondary combustion chamber is also ignited by a burner to provide a fire source, and a blower provides oxygen-enriched air. The temperature of the secondary combustion can reach 1100 ℃, after the secondary combustion, the organic components in the flue gas are greatly reduced, and finally the flue gas is discharged from the flue gas outlet 10 and enters a subsequent tail gas treatment device. The furnace is provided with a plurality of temperature and pressure detection points, so that the temperature and the pressure in the furnace can be monitored on line, and automatic control is realized.
After the incinerator is treated, the reduction of plants can reach more than 95%. The hearth space is big, reasonable in design, the burnout material that can maximize. The two-time combustion results in low harmful substance content and less fly ash in the burnt flue gas, and can simplify the subsequent flue gas treatment system.
In conclusion, the incinerator can realize oxygen-enriched full combustion of the enriched plant harvest, the combustion time of the materials and the retention time of the smoke are delayed, and the organic matter components and the particulate matters in the incinerated smoke are greatly reduced. Meanwhile, the incinerator integrates secondary combustion, and has the advantages of reasonable structure, low cost, less slag, low fly ash and greatly reduced harmful components in tail gas after incineration.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The utility model provides a special burning furnace that burns of plant, includes furnace body and furnace body base, its characterized in that: the furnace body is divided into a secondary combustion chamber and a hearth through an arch structure, the arch structure comprises a front arch and a rear arch, and a flue gas channel for communicating the secondary combustion chamber with the hearth is formed between the front arch and the rear arch; the secondary combustion chamber and the hearth are provided with a temperature measuring point, a burner mounting port, an observation port and a pressure measuring point, the secondary combustion chamber is provided with a secondary combustion chamber oxygen supplementing port, the hearth is provided with a hearth oxygen supplementing port, and one end of the secondary combustion chamber is provided with a flue gas outlet; a hearth consisting of a plurality of fire grates is arranged at the bottom of the hearth, a feed inlet is arranged above one end of the hearth, and an ash outlet is arranged below the other end of the hearth; and a transmission mechanism base is arranged on one side of the furnace body, and a chain type transmission mechanism for driving the fire grate to move is arranged on the transmission mechanism base.
2. The incinerator special for plants according to claim 1, characterized in that: and the furnace body is provided with an access hole.
3. The incinerator special for plants according to claim 2, characterized in that: the furnace body base is made of carbon steel and is insulated by adopting rock wool.
4. The incinerator special for plants according to claim 3, characterized in that: the front arch, the rear arch and the side wall of the furnace body are all made of aluminum silicate materials.
5. The incinerator special for plants according to any one of claims 1 to 4, characterized in that: the airflow guide surface of the front arch is a cambered surface, and the airflow guide surface of the rear arch is an inclined surface.
6. The incinerator special for plants according to claim 5, characterized in that: the hearth is arranged from the feeding port end to the ash outlet end in an inclined downward mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989920.3A CN110631026A (en) | 2019-10-17 | 2019-10-17 | Special incinerator for plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989920.3A CN110631026A (en) | 2019-10-17 | 2019-10-17 | Special incinerator for plants |
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| Publication Number | Publication Date |
|---|---|
| CN110631026A true CN110631026A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910989920.3A Pending CN110631026A (en) | 2019-10-17 | 2019-10-17 | Special incinerator for plants |
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| Country | Link |
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| CN (1) | CN110631026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097275A (en) * | 2020-09-08 | 2020-12-18 | 天津壹新环保工程有限公司 | Reciprocating type sludge incinerator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327900Y (en) * | 1997-06-20 | 1999-07-07 | 宜兴市格兰登环境科学设计研究所 | Improved garbage firing chamber and furnace therewith |
| JP2004132563A (en) * | 2002-10-08 | 2004-04-30 | Babcock Hitachi Kk | Incinerator and incinerator operating method |
| CN108361716A (en) * | 2018-04-20 | 2018-08-03 | 大连航化能源装备有限公司 | A kind of three industrial wastes mixed combustion furnace |
-
2019
- 2019-10-17 CN CN201910989920.3A patent/CN110631026A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327900Y (en) * | 1997-06-20 | 1999-07-07 | 宜兴市格兰登环境科学设计研究所 | Improved garbage firing chamber and furnace therewith |
| JP2004132563A (en) * | 2002-10-08 | 2004-04-30 | Babcock Hitachi Kk | Incinerator and incinerator operating method |
| CN108361716A (en) * | 2018-04-20 | 2018-08-03 | 大连航化能源装备有限公司 | A kind of three industrial wastes mixed combustion furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097275A (en) * | 2020-09-08 | 2020-12-18 | 天津壹新环保工程有限公司 | Reciprocating type sludge incinerator |
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Application publication date: 20191231 |
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| RJ01 | Rejection of invention patent application after publication |