CN106678813A - Device for treating medium and low level waste - Google Patents
Device for treating medium and low level waste Download PDFInfo
- Publication number
- CN106678813A CN106678813A CN201710075914.8A CN201710075914A CN106678813A CN 106678813 A CN106678813 A CN 106678813A CN 201710075914 A CN201710075914 A CN 201710075914A CN 106678813 A CN106678813 A CN 106678813A
- Authority
- CN
- China
- Prior art keywords
- ash
- heating mantle
- lime
- motor
- reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002925 low-level radioactive waste Substances 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000000197 pyrolysis Methods 0.000 claims abstract description 34
- 238000001354 calcination Methods 0.000 claims abstract description 28
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 11
- 238000010926 purge Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 239000002893 slag Substances 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 vapor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/303—Burning pyrogases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/304—Burning pyrosolids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a device for treating medium and low level waste. The device for treating the medium and low level waste comprises a first heating sleeve and a second heating sleeve which are connected through a connecting channel; a pyrolysis reactor is arranged in the first heating sleeve; a first universal joint is connected to a first motor and the pyrolysis reactor; an ash slag calcining reactor is arranged in the second heating sleeve; and a second motor is arranged on one side of the second heating sleeve. The device treats the medium and low level waste in a gasifying manner, the pyrolysis reactor is a shaft-free spiral, 1/3 part of an inlet is a sealed spiral, pyrolized gas is sealed, the front 2/3 of the ash slag calcining reactor is a wide spiral and is connected with the second motor and a second universal joint, contact of ash slag and oxygen is facilitated, the rear 1/3 of the ash slag calcining reactor is a reverse spiral and is connected with a third motor and a third universal joint, it is facilitated that in the process that gas is exhausted out of a reactor exhaust pipe, a small part of carried ash slag settles down, the content of the ash slag in the gas is reduced, and environmental protection is facilitated.
Description
Technical field
The present invention relates to waste reduction and disposal equipment technical field, the equipment of low-level waste in specifically a kind of process.
Background technology
The characteristics of China is in energy resource structure is " oil starvation, few gas, rich coal ", and Development of Coal base clean energy resource is a solution energy
The effective way of source supply problem, with industrial development, environmental pollution is increasingly severe, and the improvement of Environmental has also been descended very
In the big time, put into very big, it is necessary to could discharge after processing some lime-ash wastes, what current middle low-level waste was processed
The pyrolysis reactor of equipment and the spiral of lime-ash calcination reactor are excessively common, are unfavorable for that lime-ash is contacted with oxygen, and in gas
During body is discharged, it is unfavorable for that lime-ash settles down, lime-ash is emitted and polluted the environment.
The content of the invention
It is an object of the invention to provide in a kind of process low-level waste equipment, possess lime-ash high treating effect, favourable
In environmental protection advantage, to solve the problems, such as above-mentioned background technology in propose.
For achieving the above object, the present invention provides following technical scheme：
The equipment of low-level waste in a kind of process, including the first heating mantle and the second heating mantle, first heating mantle and
Second heating mantle is connected by interface channel, be provided with the top of first heating mantle double automatically-controlled door feed arrangement of chain control and
Downtake pipe, the downtake pipe connects dual firing chamber, and the dual firing chamber is connected with gas purge system, first heating
The inside of set is provided with pyrolysis reactor, and side is provided with the first universal joint, and the first universal joint connects the first motor and pyrolysis reactor；
The inside of second heating mantle is provided with lime-ash calcination reactor, and the side of the second heating mantle is provided with the second motor, the second motor
Connect the second universal joint, the opposite side of the second heating mantle is provided with the 3rd motor, the universal joint of the 3rd motor connection the 3rd, described second
Second exhaust pipe is provided with the top of heating mantle, second exhaust pipe is connected with the gas purge system, second heating mantle
Bottom arranges ash collection tank.
As further scheme of the invention：The pyrolysis reactor shaftless screw, reaction temperature is 200-500 DEG C, and
Import three/part is close spiral.
As further scheme of the invention：Dual firing chamber's reaction temperature is 100-1300 DEG C.
As further scheme of the invention：Front 2/3rds of the lime-ash calcination reactor are that wide spiral is electric with second
Machine and the second universal joint connect, and afterwards 1/3rd are connected for reverse spiral with the 3rd motor and the 3rd universal joint, and lime-ash calcining is anti-
Answer in front 2/3rds of device and oxygen is passed through by oxygen inlet, reaction temperature is 800-1200 DEG C.
As further scheme of the invention：The lime-ash calcination reactor is negative reaction device.
As further scheme of the invention：The interface channel is provided with check valve, the ash Jing after pyrolysis reactor pyrolysis
Slag is input to from there lime-ash calcination reactor.
Compared with prior art, beneficial effect of the present invention：
The equipment of low-level waste in present treatment, the original spiral of change, pyrolysis reactor shaftless screw, and import three/
A part is close spiral, and sealed pyrolysis gas prevents gas from escaping from material inlet, from first paragraph pyrolysis reactor to second segment
Lime-ash calcination reactor, the check valve in interface channel, the lime-ash Jing after pyrolysis reactor pyrolysis is input to from there lime-ash and forges
Reactor is burnt, interface channel prevents gas from going here and there, should prevent gas from entering second segment from first paragraph, prevents second segment from entering again
Enter first paragraph, gas should be controlled and enter second segment from first paragraph, prevent second segment from entering first paragraph, lime-ash calcination reaction again
Front 2/3rds of device are connected for wide spiral with the second motor and the second universal joint, are conducive to lime-ash to contact with oxygen, after realization
1/3rd are connected for reverse spiral with the 3rd motor and the 3rd universal joint, downtake pipe discharge gas enter dual firing chamber with
The oxygen being passed through fully reacts and is oxidized to carbon dioxide, vapor, nitrogen oxides or sulfide, dual firing chamber produce tail gas and
The tail gas that second exhaust pipe is produced together further is purified into gas purge system, and gas is being discharged from reactor exhaustor
During, the fraction lime-ash of carrying is settled down, the content of lime-ash in gas is reduced, be conducive to environmental protection.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
In figure：The double automatically-controlled door feed arrangements of 1- chain controls；The heating mantles of 2- first；3- pyrolysis reactors；4- interface channels；
5- check valves；6- downtake pipes；7- dual firing chamber；The motors of 8- first；The universal joints of 9- first；The heating mantles of 10- second；11- lime-ash
Calcination reactor；12- second exhaust pipes；The motors of 13- second；The universal joints of 14- second；15- ash collection tanks；16- the 3rd is universal
Section；The motors of 17- the 3rd；18- oxygen inlets；19- gas purge systems.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, in a kind of process low-level waste equipment, including the first heating mantle 2 and the second heating mantle 10, first
The heating mantle 10 of heating mantle 2 and second is connected by interface channel 4, and the inside of the first heating mantle 2 is provided with pyrolysis reactor 3, pyrolysis
The shaftless screw of reactor 3, the first heating mantle 4 is heated to pyrolysis reactor 3, and reaction temperature is 200-500 DEG C, and import three/
A part is close spiral, and sealed pyrolysis gas prevents gas from escaping from material inlet；
The inside of the second heating mantle 10 is provided with lime-ash calcination reactor 11, and the second heating mantle 10 is forged to pyrolysis reactor lime-ash
Burn reactor 11 to heat, lime-ash calcination reactor 11 is negative reaction device, be conducive to improving calcination reaction effect, reaction temperature
800℃-1200℃；
The lime-ash gas processed in pyrolysis reactor 3 is transported to lime-ash calcination reactor 11 by interface channel 4, and connection is logical
4 prevent gas from going here and there, and should prevent gas from entering second segment from first paragraph, prevent second segment from entering first paragraph again, and connection is logical
Road is provided with check valve, and control lime-ash enters lime-ash calcination reactor 11 from pyrolysis reactor 3；
The top of the first heating mantle 2 is provided with the double automatically-controlled door feed arrangements 1 of chain control and downtake pipe 6, chain control
Double automatically-controlled door feed arrangements 1 are used to feed, and downtake pipe 6 can be with the inabundant pyrolysis gas of discharge part, the row of downtake pipe 6
The gas put enters dual firing chamber, at temperature 100-1300 DEG C, fully reacts with the oxygen being passed through and is oxidized to carbon dioxide, water steaming
The tail gas such as gas, nitrogen oxides or sulfide, tail gas is further purified into gas purge system, and the side of the first heating mantle 2 sets
The first universal joint 9 is put, the first universal joint 9 connects the first motor 8 and pyrolysis reactor 3, and the first universal joint 9 can make the first motor
8 axle realizes the axle power output of different directions；
Second motor 13 is set in the side of the second heating mantle 10, the second motor 13 connects the second universal joint 14, second
The opposite side of heating mantle 10 arranges the 3rd motor 17, and the 3rd motor 17 connects the 3rd universal joint 16,11 points of lime-ash calcination reactor
Two parts, front 2/3rds of lime-ash calcination reactor 11 is connected for wide spiral with the second motor 13 and the second universal joint 14, ash
Oxygen is passed through by oxygen inlet 18 in front 2/3rds of slag calcination reactor 11, is conducive to lime-ash to contact with oxygen, realized
Afterwards 1/3rd are connected for reverse spiral with the 3rd motor 17 and the 3rd universal joint 16, and the bottom of the second heating mantle 10 arranges lime-ash
Collecting tank 15, ash collection tank 15 is used for collecting lime-ash, and ash collection tank 15 is located at 11 two sections of spirals of lime-ash calcination reactor
Junction, the top of the second heating mantle 10 is provided with second exhaust pipe 12, and ash filter is provided with second exhaust pipe, and lime-ash is
After two exhaustors settle down, residual gas enters gas purge system 19 from second exhaust pipe 12, after pyrolysis and calcining
Gas further purified.
The equipment specific work process is as follows：From the entrance of chain control double automatically-controlled door feed arrangements 1, this sets middle low-level waste
Standby, the pyrolysis of waste Jing pyrolysis reactors becomes gas and part lime-ash, and gas enters dual firing chamber 7 from downtake pipe 6, herein
The gas and oxygen of fully pyrolysis does not fully react and is oxidized to the tail gas such as carbon dioxide, vapor, nitrogen oxides or sulfide, tail
Gas enters gas purge system 19 and further purifies, and purifies rear discharge up to standard；The lime-ash that pyrolysis is produced is entered by interface channel 4
Lime-ash calcination reactor 11, lime-ash further with oxygen high-temperature calcination, the gas of generation is passed through gas by second exhaust pipe 12
Cleaning system 19, remaining lime-ash enters ash collection tank 15.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (6)
1. in a kind of process low-level waste equipment, including the first heating mantle (2) and the second heating mantle (10), it is characterised in that：
First heating mantle (2) and the second heating mantle (10) are connected by interface channel (4), the top of first heating mantle (2)
Double automatically-controlled doors feed arrangement (1) of chain control and downtake pipe (6) are provided with, the downtake pipe (6) connects dual firing chamber
(7), the dual firing chamber (7) is connected with gas purge system (19), and the inside of first heating mantle (2) is provided with pyrolysis reactor
(3), side is provided with the first universal joint (9), and the first universal joint (9) connects the first motor (8) and pyrolysis reactor (3)；Described
The inside of two heating mantles (10) is provided with lime-ash calcination reactor (11), and the side of the second heating mantle (10) is provided with the second motor
(13), the second motor (13) connects the second universal joint (14), and the opposite side of the second heating mantle (10) is provided with the 3rd motor (17), the
Three motors (17) connect the 3rd universal joint (16), are provided with second exhaust pipe (12) at the top of second heating mantle (10), and second
Exhaustor (12) is connected with the gas purge system (19), and the bottom of second heating mantle (10) arranges ash collection tank
(15)。
2. in a kind of process according to claim 1 low-level waste equipment, it is characterised in that：The pyrolysis reactor
(3) shaftless screw, reaction temperature is 200-500 DEG C, and import three/part is close spiral.
3. in a kind of process according to claim 1 low-level waste equipment, it is characterised in that：The dual firing chamber (7) is anti-
Temperature is answered to be 100-1300 DEG C.
4. in a kind of process according to claim 1 low-level waste equipment, it is characterised in that：The lime-ash calcination reaction
Front 2/3rds of device (11) are connected for wide spiral with the second motor (13) and the second universal joint (14), and afterwards 1/3rd is reverse
Spiral is connected with the 3rd motor (17) and the 3rd universal joint (16), and front 2/3rds of lime-ash calcination reactor (11) are interior by oxygen
Gas import (18) is passed through oxygen, and reaction temperature is 800-1200 DEG C.
5. in a kind of process according to claim 1 low-level waste equipment, it is characterised in that：The lime-ash calcination reaction
Device (11) is negative reaction device.
6. in a kind of process according to claim 1 low-level waste equipment, it is characterised in that：The interface channel (4)
Check valve (5) is provided with, the lime-ash Jing after pyrolysis reactor (3) pyrolysis is input to from there lime-ash calcination reactor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710075914.8A CN106678813A (en) | 2017-02-13 | 2017-02-13 | Device for treating medium and low level waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710075914.8A CN106678813A (en) | 2017-02-13 | 2017-02-13 | Device for treating medium and low level waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106678813A true CN106678813A (en) | 2017-05-17 |
Family
ID=58860929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710075914.8A Pending CN106678813A (en) | 2017-02-13 | 2017-02-13 | Device for treating medium and low level waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106678813A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232274A (en) * | 1999-04-30 | 1999-10-20 | 中国辐射防护研究院 | Radioactive combustible waste incineration treatment process and special equipment thereof |
| US20050039648A1 (en) * | 2003-08-21 | 2005-02-24 | International Environmental Solutions Corpora | Shaft seal for a pyrolytic waste treatment system |
| CN201339940Y (en) * | 2008-11-28 | 2009-11-04 | 青岛博迈斯环保技术有限公司 | Organic solid waste material continuous carbonization processing device |
| CN101634452A (en) * | 2009-08-13 | 2010-01-27 | 牛斌 | Constant dechlorination process and device thereof |
| CN103288320A (en) * | 2013-06-17 | 2013-09-11 | 江苏全能机械设备有限公司 | Screw-propulsion-type sludge pyrolyzing furnace |
| CN106229024A (en) * | 2016-04-29 | 2016-12-14 | 石晓岩 | Middle low-activity garbage volume reduction cured system and method |
| CN206626579U (en) * | 2017-02-13 | 2017-11-10 | 杨红波 | The equipment of low-level waste in a kind of processing |
-
2017
- 2017-02-13 CN CN201710075914.8A patent/CN106678813A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232274A (en) * | 1999-04-30 | 1999-10-20 | 中国辐射防护研究院 | Radioactive combustible waste incineration treatment process and special equipment thereof |
| US20050039648A1 (en) * | 2003-08-21 | 2005-02-24 | International Environmental Solutions Corpora | Shaft seal for a pyrolytic waste treatment system |
| CN201339940Y (en) * | 2008-11-28 | 2009-11-04 | 青岛博迈斯环保技术有限公司 | Organic solid waste material continuous carbonization processing device |
| CN101634452A (en) * | 2009-08-13 | 2010-01-27 | 牛斌 | Constant dechlorination process and device thereof |
| CN103288320A (en) * | 2013-06-17 | 2013-09-11 | 江苏全能机械设备有限公司 | Screw-propulsion-type sludge pyrolyzing furnace |
| CN106229024A (en) * | 2016-04-29 | 2016-12-14 | 石晓岩 | Middle low-activity garbage volume reduction cured system and method |
| CN206626579U (en) * | 2017-02-13 | 2017-11-10 | 杨红波 | The equipment of low-level waste in a kind of processing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |
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