CN214619569U - Sulfur-containing solid waste pre-incineration device - Google Patents
Sulfur-containing solid waste pre-incineration device Download PDFInfo
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- CN214619569U CN214619569U CN202120758638.7U CN202120758638U CN214619569U CN 214619569 U CN214619569 U CN 214619569U CN 202120758638 U CN202120758638 U CN 202120758638U CN 214619569 U CN214619569 U CN 214619569U
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- combustion chamber
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- washing tower
- alkaline washing
- alkali wash
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Abstract
The utility model discloses a contain sulphur and give up burning device in advance admittedly, including the combustion chamber, the top fixed mounting of combustion chamber has two combustion chambers, and the equal fixed mounting in left side of combustion chamber and two combustion chambers has the combustor, and bolt fixedly connected with distributing device is passed through to the left bottom of combustion chamber. The utility model discloses the grate fully burns in the combustion chamber is main desulfurization place, and wash further desulfurization with alkaline through the tail gas, the sulphur-containing solid waste after the breakage is under the effect of distributing device, can be in the combustion chamber, be the parabola, evenly distribute on the grate, the solid sulfate after the burn-out falls into the clearance space of grate, regularly clear up through the deashing door, gaseous sulfur dioxide is along with the flue gas is washed off in tertiary alkali wash tower, through multiple joint desulfurization, can get rid of the sulphur majority in the solid waste effectively, then get into the rotary kiln and burn, make the flue gas reach and discharge after the dangerous waste burns the pollution control standard, play the cushioning effect of protection rotary kiln.
Description
Technical Field
The utility model relates to an burn device technical field, specifically be a contain sulphur and give up burning device in advance admittedly.
Background
In the solid wastes of the current hazardous wastes, a lot of wastes contain high sulfur content, the materials generate SOx smoke with high concentration when being burnt, the smoke has strong corrosivity, the service lives of refractory materials and various devices are greatly reduced, the treatment difficulty is increased, and a proper pretreatment method becomes the key for treating the wastes.
Traditional hazardous waste burns there are multiple methods, mainly reduces low sulfur content through reasonable cooperation for throw into rotary kiln burning line after the waste mixes and burn and handle, but this method is limited to the kind of material, when lacking sufficient mixed material, will cause the backlog of high sulfur solid useless, and rotary kiln burns and also has not a few shortcoming moreover: when the added materials contain high-sulfur substances and other alkaline components (such as sodium, potassium and the like) exist in the added mixed materials, low molten salt is formed and is in a sticky shape, and more other substances are continuously adhered to the mixed materials, so that the phenomenon of coking is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a contain sulphur and give up burning device in advance possesses and discharges after making the flue gas reach hazardous waste incineration pollution control standard, plays the advantage of protection rotary kiln buffering, has solved the refractory material who contains sulphur material in the damage rotary kiln, reduces the operation life of rotary kiln by a wide margin, has increased operation and cost of maintenance's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a contain sulphur and useless burn device in advance admittedly, includes the combustion chamber, the top fixed mounting of combustion chamber has two combustion chambers, the equal fixed mounting in left side of combustion chamber and two combustion chambers has the combustor, bolt fixedly connected with distributing device is passed through to the left bottom of combustion chamber, the positive bottom welding of combustion chamber has the grate, the bottom movable mounting on combustion chamber right side has the ash door, the right side of ash door is provided with the water tank, the top of water tank is provided with the torrential rain alkaline washing tower of blast, the right side fixed mounting of torrential rain alkaline washing tower has one-level alkaline washing spray gun, the right side of one-level alkaline washing spray gun is provided with the second grade alkaline washing tower, the right side of second grade alkaline washing tower is provided with tertiary alkaline washing tower, the top welding of tertiary alkaline washing tower has tertiary alkaline washing tower defroster, the top welding of second grade alkaline washing tower has the second grade alkaline washing tower defroster, the top fixed mounting of torrential rain alkaline washing tower has the shower nozzle, the right side of the second combustion chamber is communicated with the left side of the strong wind, rainstorm and alkali washing tower through an expansion joint.
Preferably, the storm wash tower with high wind is connected with the second-level alkaline wash tower and the third-level alkaline wash tower in series, and the storm wash tower with high wind is communicated with the second-level alkaline wash tower and the third-level alkaline wash tower and the bottom water tank.
Preferably, pall ring acid-resistant water mist removing materials are embedded in the second-stage alkaline washing tower demister and the third-stage alkaline washing tower demister.
Preferably, the second combustion chamber is designed in a horizontal mode, and refractory pouring materials are lined inside the combustion chamber and the second combustion chamber.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses main desulfurization site is the grate abundant burning in the combustion chamber, and further desulfurization through tail gas alkali wash, the solid waste matter that contains sulphur after the breakage can be in the combustion chamber under the effect of distributing device, be the parabola, evenly distribute on the grate, the solid sulfate after the burn-out falls into the clearance space of grate, regularly clear up through the deashing door, gaseous sulfur dioxide is washed off along with the flue gas in tertiary alkali wash tower, through multiple joint desulfurization, can remove most sulphur in the solid waste matter effectively, then get into the rotary kiln and burn, discharge after making the flue gas reach dangerous waste matter incineration pollution control standard, play the cushioning effect of protection rotary kiln, avoid the corrosion of heat-work equipment such as large-scale exhaust-heat boiler among the rotary kiln burning system, the stability of burning has been improved, in addition will burn combustion chamber and two combustion chambers integration in advance, the tail gas three-stage alkaline washing tower is integrated, the whole structure is compact, the size is small, the production and the manufacture are easy, the cost is low, and the wide popularization and the application are facilitated.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention.
In the figure: 1. a combustion chamber; 2. a second combustion chamber; 3. a burner; 4. a distributing device; 5. a grate; 6. a dust door; 7. a water tank; 8. a strong wind and rainstorm caustic wash tower; 9. a first-stage alkaline washing spray gun; 10. a secondary alkaline washing tower; 11. a third-stage alkaline washing tower; 12. a demister of the third-stage alkaline tower; 13. a demister of the secondary alkaline tower; 14. a spray head; 15. an expansion joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-2, a sulfur-containing solid waste pre-incineration device comprises a combustion chamber 1, a secondary combustion chamber 2 is fixedly installed at the top of the combustion chamber 1, the secondary combustion chamber 2 is of a horizontal design, refractory pouring materials are lined inside the combustion chamber 1 and the secondary combustion chamber 2, a combustor 3 is fixedly installed on the left sides of the combustion chamber 1 and the secondary combustion chamber 2, a distributor 4 is fixedly connected to the bottom of the left side of the combustion chamber 1 through bolts, a fire grate 5 is welded at the front bottom of the combustion chamber 1, an ash door 6 is movably installed at the bottom of the right side of the combustion chamber 1, a water tank 7 is arranged on the right side of the ash door 6, a high-wind heavy rain alkaline tower 8 is arranged at the top of the water tank 7, the high-wind heavy rain alkaline tower 8 is connected with a secondary alkaline tower 10 and a tertiary alkaline tower 11 in series, the high-wind heavy rain alkaline tower 8 is communicated with the secondary heavy alkaline tower 10 and the tertiary alkaline tower 11 is communicated with the bottom water tank 7, a primary alkaline spray gun 9 is fixedly installed on the right side of the high-wind heavy rain alkaline tower 8, a second-stage alkaline washing tower 10 is arranged on the right side of the first-stage alkaline washing spray gun 9, a third-stage alkaline washing tower 11 is arranged on the right side of the second-stage alkaline washing tower 10, a third-stage alkaline washing tower demister 12 is welded on the top of the third-stage alkaline washing tower 11, a second-stage alkaline washing tower demister 13 is welded on the top of the second-stage alkaline washing tower 10, pall ring acid-resistant and water mist-removing materials are embedded in the second-stage alkaline washing tower 13 and the third-stage alkaline washing tower demister 12, a spray head 14 is fixedly installed on the top of the torrential rain torrential alkaline washing tower 8, the right side of the secondary combustion chamber 2 is communicated with the left side of the torrential rain torrential alkaline washing tower 8 through an expansion joint 15, the main desulfurization place is that a grate 5 in the combustion chamber 1 is fully combusted, the sulfur-containing solid waste is further desulfurized through alkaline washing by tail gas, the crushed sulfur-containing solid waste can be in the combustion chamber 1 in a parabolic shape and uniformly distributed above the grate 5, and the gap space of the combusted solid sulfate falls into the cinder, the solid waste is cleaned regularly through the ash cleaning door, gaseous sulfur dioxide is washed down in the three-stage alkaline tower 11 along with flue gas, and the gaseous sulfur dioxide is subjected to multiple combined desulfurization, so that most of sulfur in the solid waste can be effectively removed, and then the solid waste enters the rotary kiln for incineration, the flue gas is discharged after reaching the hazardous waste incineration pollution control standard, the buffer effect of protecting the rotary kiln is achieved, the corrosion of large-scale waste heat boilers and other thermal equipment in a rotary kiln incineration system is avoided, the incineration stability is improved, in addition, the pre-incinerated combustion chamber 1 and the secondary combustion chamber 2 are integrated into a whole, and the tail gas three-stage alkaline tower 11 is integrated into a whole.
All the components in the utility model are universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the technical manual or known by conventional experimental methods, standard parts used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of technicians in the field, the components belong to the common knowledge in the field, and the application document is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail in the application document, no specific description will be made herein.
When in work, the burner 3 is started to ignite, the crushed sulfur-containing solid waste is thrown into the furnace through the distributor 4 to be burnt, meanwhile, the fire grate 5 can also be used for placing a solid waste tray or barrel-shaped high-viscosity waste for incineration, the middle part of the combustion chamber 1 is provided with an air inlet and a spray gun port, alkaline quicklime powder can be sprayed into the furnace through a spray gun port to carry out desulfurization combustion in the furnace, products after high-sulfur solid waste combustion are ash and high-temperature flue gas, the ash is periodically cleaned manually through an ash outlet door 6, the high-temperature flue gas enters a secondary combustion chamber 2 to further increase the temperature of the flue gas to about 1000 ℃, the waste gas that does not burn completely carries out the secondary incineration, and the inorganic sulphur of 50% about can be got rid of in the stove desulfurization burning, and partial sulphur material gets into tail gas washing system, and blast storm alkali wash tower 8 plays the effect of quenching and alkali wash neutralization concurrently, and 3 perpendicular injection shower nozzles on the top of the tower, every shower nozzle with 2 m.3The liquid spraying speed of the/h is used for instantly reducing the high-temperature flue gas to about 75 ℃, sulfur dioxide acid gas reacts with sodium hydroxide alkali liquor in the secondary alkaline tower 10 to remove 80% of sulfur elements, reacts with the sodium hydroxide alkali liquor in the tertiary alkaline tower 11 to remove more than 95% of the sulfur elements, is demisted by the alkaline tower and then leaves the pre-incineration system, and the pre-incineration system can be embedded into a proper process section for incineration in a rotary kiln along with different incineration materials, and finally reaches the hazardous waste incineration pollution control standard and is discharged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a contain sulphur and give up incineration device in advance admittedly, includes combustion chamber (1), its characterized in that: the top fixed mounting of combustion chamber (1) has second combustion chamber (2), the equal fixed mounting in left side of combustion chamber (1) and second combustion chamber (2) has combustor (3), bolt fixedly connected with distributing device (4) is passed through to the left bottom of combustion chamber (1), the positive bottom welding of combustion chamber (1) has grate (5), the bottom movable mounting on combustion chamber (1) right side has ash door (6), the right side of ash door (6) is provided with water tank (7), the top of water tank (7) is provided with torrential rain alkali wash tower (8), the right side fixed mounting of torrential rain alkali wash tower (8) has first-level alkali wash spray gun (9), the right side of first-level alkali wash spray gun (9) is provided with second grade alkali wash tower (10), the right side of second grade alkali wash tower (10) is provided with third grade alkali wash tower (11), the top welding of third grade alkali wash tower (11) has third grade alkali wash tower (12), the top welding of second grade alkaline washing tower (10) has second grade alkaline washing tower defroster (13), the top fixed mounting of high wind stormy rain alkaline washing tower (8) has shower nozzle (14), the right side of second combustion chamber (2) is passed through expansion joint (15) and is linked together with the left side of high wind stormy rain alkaline washing tower (8).
2. The sulfur-containing solid waste pre-incineration device as claimed in claim 1, characterized in that: the high-wind rainstorm alkaline washing tower (8) is connected with the second-level alkaline washing tower (10) and the third-level alkaline washing tower (11) in series, and the high-wind rainstorm alkaline washing tower (8) is communicated with the second-level alkaline washing tower (10) and the third-level alkaline washing tower (11) and the bottom water tank (7).
3. The sulfur-containing solid waste pre-incineration device as claimed in claim 1, characterized in that: and pall ring acid-resistant and water mist-removing materials are embedded in the secondary alkali washing tower demister (13) and the tertiary alkali washing tower demister (12).
4. The sulfur-containing solid waste pre-incineration device as claimed in claim 1, characterized in that: the secondary combustion chamber (2) is designed in a horizontal mode, and refractory pouring materials are lined inside the combustion chamber (1) and the secondary combustion chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120758638.7U CN214619569U (en) | 2021-04-14 | 2021-04-14 | Sulfur-containing solid waste pre-incineration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120758638.7U CN214619569U (en) | 2021-04-14 | 2021-04-14 | Sulfur-containing solid waste pre-incineration device |
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| CN214619569U true CN214619569U (en) | 2021-11-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110607A (en) * | 2021-11-22 | 2022-03-01 | 广州雅居乐固体废物处理有限公司 | Incineration pretreatment process for high-phosphorus solid waste |
| CN114135875A (en) * | 2021-11-29 | 2022-03-04 | 广州雅居乐固体废物处理有限公司 | Incineration pretreatment process for high-fluorine solid waste |
-
2021
- 2021-04-14 CN CN202120758638.7U patent/CN214619569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110607A (en) * | 2021-11-22 | 2022-03-01 | 广州雅居乐固体废物处理有限公司 | Incineration pretreatment process for high-phosphorus solid waste |
| CN114135875A (en) * | 2021-11-29 | 2022-03-04 | 广州雅居乐固体废物处理有限公司 | Incineration pretreatment process for high-fluorine solid waste |
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