CN214619604U - Pre-burning device for sulfur-containing waste liquid - Google Patents
Pre-burning device for sulfur-containing waste liquid Download PDFInfo
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- CN214619604U CN214619604U CN202120760594.1U CN202120760594U CN214619604U CN 214619604 U CN214619604 U CN 214619604U CN 202120760594 U CN202120760594 U CN 202120760594U CN 214619604 U CN214619604 U CN 214619604U
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Abstract
The utility model discloses a pre-burning device for sulfur-containing waste liquid, which comprises a burning component, a feeding component and a tail gas treatment component, wherein the burning component comprises a burning furnace and a first burner, the first burner is arranged on one side of the burning furnace, the feeding component comprises a waste liquid spray gun and an alkali liquid spray gun, the waste liquid spray gun is arranged on one side of the first burner, the alkali liquid spray gun is arranged above the waste liquid spray gun, the waste liquid spray gun and the alkali liquid spray gun are uniformly communicated with the burning furnace, the tail gas treatment component comprises a quench tower, a first alkaline washing tower and a second alkaline washing tower, the quench tower is communicated with the burning furnace, the first alkaline washing tower is communicated with the quench tower, and the second alkaline washing tower is communicated with the first alkaline washing tower; this contain sulphur waste liquid burn device in advance can effectively get rid of the high sulphur component in the waste liquid, have overall structure compactness, small, easily production manufacturing and removal and characteristics with low costs, do benefit to extensive popularization and application.
Description
Technical Field
The utility model relates to a contain the relevant technical field of processing of sulphur waste liquid, especially relate to a contain device of burning in advance of sulphur waste liquid.
Background
At present, in the treatment and treatment of dangerous waste, there are many high-sulfur dangerous waste, the materials generally have strong acidity, and sulfur-containing compounds have very unpleasant odor, are not properly treated, are easy to release hydrogen sulfide gas, and have the danger of suffocation or poisoning.
Because the production of dangerous waste enterprises increases year by year, the treatment difficulty of high-sulfur and other strong acid dangerous wastes becomes more and more serious, the traditional treatment process is not reasonably compatible, the dangerous wastes cannot be effectively treated, the flue gas generated by burning the high-sulfur dangerous wastes has strong corrosivity, the service lives of refractory materials and various devices are greatly shortened, and the flue gas contains SOx with higher concentration and has high treatment difficulty. The traditional method for disposing the high-sulfur hazardous waste incineration has various methods, and generally three methods, namely liquid injection, a fluidized bed and a rotary kiln, are selected according to actual conditions.
The rotary kiln is a hazardous waste treatment technology adopted by most enterprises at present due to wide application range, stable operation, high automation degree and low operation and maintenance cost, but the rotary kiln also has a plurality of defects: 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 can enough effectively get rid of the sulfur ion in the waste liquid, prevent to contain the sulfur waste liquid polluted environment, and the lower device that burns in advance of containing sulfur waste liquid of cost to overcome the not enough that exists among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a contain pre-incineration device of sulphur waste liquid, is including burning subassembly, feeding subassembly and tail gas treatment subassembly, burn the subassembly including burning furnace and first combustor, first combustor sets up burn one side of burning furnace, the feeding subassembly includes waste liquid spray gun and alkali lye spray gun, the waste liquid spray gun sets up one side of first combustor, the alkali lye spray gun sets up the top of waste liquid spray gun, alkali lye spray gun are even with burn burning furnace intercommunication, the tail gas treatment subassembly includes quench tower, first alkaline tower and second alkaline tower, quench tower with burn the intercommunication of burning furnace, first alkaline tower with the intercommunication of quench tower, second alkaline tower with the intercommunication of first alkaline tower.
In one embodiment, the incinerator comprises a first combustion chamber and a second combustion chamber which are sequentially connected from bottom to top, and the first combustion chamber is communicated with the second combustion chamber.
In one embodiment, the first burner, the waste liquid spray gun and the lye spray gun are all communicated with the first combustion chamber.
In one embodiment, the incineration assembly further comprises a second burner, the second burner being arranged at one end of the second combustion chamber.
In one embodiment, the incineration assembly further comprises a fuel tank disposed at an end of the second combustion chamber remote from the second burner, the fuel tank being for supplying fuel to the first and second burners.
In one embodiment, the incineration assembly further comprises a explosion venting sheet arranged at the top of the incinerator.
In one embodiment, the tail gas treatment assembly further comprises a first demister and a second demister, wherein the bottom of the first demister is communicated with the top of the first alkaline washing tower, and the bottom of the second demister is communicated with the top of the second alkaline washing tower.
In one embodiment, the tail gas treatment assembly further comprises a high-temperature flue, a first air pipe and a second air pipe, wherein two ends of the high-temperature flue are respectively communicated with the incinerator and the quenching tower, two ends of the first air pipe are respectively communicated with the first demister and the second alkaline washing tower, and one end of the second air pipe is communicated with the second demister.
In one embodiment, the tail gas treatment assembly further comprises a first quenching spray gun, a second quenching spray gun, a first alkaline washing spray gun and a second alkaline washing spray gun, wherein the first quenching spray gun is arranged at the top of the quenching tower, the second quenching spray gun is arranged at the side surface of the quenching tower, the first alkaline washing spray gun is arranged at the side surface of the first alkaline washing tower, and the second alkaline washing spray gun is arranged at the side surface of the second alkaline washing tower.
In one embodiment, the tail gas treatment assembly further comprises a water tank, and the bottom of the quenching tower, the bottom of the first caustic scrubber and the bottom of the second caustic scrubber are all communicated with the water tank.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a contain device of burning in advance of sulphur waste liquid, through setting up burning furnace, the quench tower, first alkaline tower and second alkaline tower, contain the sulphur waste liquid and burn through high temperature in burning furnace, decompose sulphur element out, the alkali lye reaction that partly sulphur element and alkali lye spray gun jetted into is got rid of, partly sulphur element is carried through the quench tower cooling by the flue gas that burns the production, then loop through first alkaline tower and second alkaline tower and take place chemical reaction, high sulphur component in the flue gas is effectively got rid of, this contain the device of burning in advance of sulphur waste liquid has overall structure compactness, and is small, easily manufacturing and removal and characteristics with low costs, do benefit to extensive popularization and application.
Drawings
Fig. 1 is a schematic structural diagram of a pre-incineration device for sulfur-containing waste liquid according to a preferred embodiment of the present invention.
Reference is made to the accompanying drawings in which:
a pre-incineration device 100 for sulfur-containing waste liquid; the incinerator assembly 10, the incinerator 11, the first combustion chamber 111, the second combustion chamber 112, the first combustor 12, the second combustor 13, the fuel tank 14 and the explosion venting sheet 15; a feeding component 20, a waste liquid spray gun 21 and an alkali liquor spray gun 22; the tail gas treatment component 30, the high temperature flue 31, quench tower 32, first quench spray gun 321, second quench spray gun 322, first alkaline washing tower 33, first alkaline washing spray gun 331, first defroster 34, first tuber pipe 35, second alkaline washing tower 36, second alkaline washing spray gun 361, second defroster 37, second tuber pipe 38, water tank 39.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When the number of an element is referred to as "a plurality," it can be any number of two or more. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The present invention will be described in detail with reference to embodiments shown in the drawings:
please refer to fig. 1, which is a preferred embodiment of the present invention, a pre-incineration apparatus 100 for sulfur-containing waste liquid, comprising an incineration assembly 10, a feeding assembly 20 and a tail gas treatment assembly 30, wherein the incineration assembly 10 comprises an incinerator 11 and a first burner 12, the first burner 12 is disposed on one side of the incinerator 11, the feeding assembly 20 comprises a waste liquid spray gun 21 and an alkali liquid spray gun 22, the waste liquid spray gun 21 is disposed on one side of the first burner 12, the alkali liquid spray gun 22 is disposed above the waste liquid spray gun 21, the waste liquid spray gun 21 and the alkali liquid spray gun 22 are uniformly connected to the incinerator 11, the tail gas treatment assembly 30 comprises a quench tower 32, a first alkaline tower 33 and a second alkaline tower 36, the quench tower 32 is communicated with the incinerator 11, the first alkaline tower 33 is communicated with the quench tower 32, and the second alkaline tower 36 is communicated with the first alkaline tower 33; this contain sulphur waste liquid burn device 100 in advance can effectively get rid of the high sulphur component in the waste liquid, have overall structure compactness, small, easily production manufacturing and removal and characteristics with low costs, do benefit to extensive popularization and application.
As shown in fig. 1, the incineration module 10 includes an incinerator 11, a first burner 12 and a second burner 13, and both the first burner 12 and the second burner 13 are connected to the incinerator 11. Further, a first combustion chamber 111 and a second combustion chamber 112 are sequentially arranged inside the incinerator 11 from bottom to top, the first combustion chamber 111 is communicated with the second combustion chamber 112, the first burner 12 is arranged at one side of the first combustion chamber 111 close to the bottom, the first burner 12 is communicated with the first combustion chamber 111, the first burner 12 is used for injecting flame and combustion-supporting gas into the first combustion chamber 111, the second burner 13 is arranged at one end of the second combustion chamber 112, the second burner 13 is communicated with the second combustion chamber 112, the second burner 13 is used for injecting flame and combustion-supporting gas into the second combustion chamber 112, sulfur-containing waste liquid is decomposed into gas at high temperature in the first combustion chamber 111, the second combustion chamber 112 further destroys organic odor in the gas and further raises the temperature of flue gas of the combustion chamber, so that sulfur element is further decomposed. Further, the incineration assembly further comprises a fuel tank 14, the fuel tank 14 is disposed at an end of the second combustion chamber 112 away from the second combustor 13, and the fuel tank 14 is used for supplying fuel to the first combustor 12 and the second combustor 13, in this embodiment, the fuel is diesel. Further, the incineration assembly 10 further includes a explosion venting sheet 15, the explosion venting sheet 15 is provided in the top of the incineration furnace 11, and in order to prevent the explosion of the materials, when the pressure in the incineration furnace 11 exceeds 1000Pa, the explosion venting sheet 15 is ruptured to release the pressure inside the incineration furnace 11.
The feeding assembly 20 comprises a waste liquid spray gun 21 and an alkali liquor spray gun 22, the waste liquid spray gun 21 is arranged on one side opposite to the first combustor 12, the alkali liquor spray gun 22 is arranged above the waste liquid spray gun 21, and the waste liquid spray gun 21 and the alkali liquor spray gun 22 are both connected with the incinerator 11. Further, the waste liquid spray gun 21 and the alkali liquid spray gun 22 are disposed at one side of the first combustion chamber 111, and both the waste liquid spray gun 21 and the alkali liquid spray gun 22 are communicated with the first combustion chamber 111, the waste liquid spray gun 21 is configured to spray sulfur-containing waste liquid into the first combustion chamber 111, and the alkali liquid spray gun 22 is configured to spray alkali liquid into the first combustion chamber 111, where the alkali liquid sprayed by the alkali liquid spray gun 22 is lime slurry in this embodiment.
Referring to fig. 1, the tail gas treatment assembly 30 includes a high-temperature flue 31, a quench tower 32, a first alkaline washing tower 33, a first demister 34, a first air duct 35, a second alkaline washing tower 36, a second demister 37 and a second air duct 38, which are sequentially connected, two ends of the high-temperature flue 31 are respectively connected to the top end of the incinerator 11 and the top end of the quench tower 32, the quench tower 32 is used for reducing the temperature of the flue gas delivered from the incinerator 11, three first quench guns 321 are disposed at the top of the quench tower 32, a plurality of second quench guns 322 are disposed at intervals along the vertical direction on the side surface of the quench tower 32, a water column is injected into the quench tower 32 by using the first quench guns 321 and the second quench guns 322, and a water curtain without dead corners is formed in the quench tower 32, so that the temperature of the flue gas delivered from the incinerator 11 is reduced from one thousand degrees centigrade to seventy-five degrees centigrade. The bottom end of the first alkaline washing tower 33 is communicated with the bottom end of the quenching tower 32, a plurality of first alkaline washing spray guns 331 are arranged on the side surface of the first alkaline washing tower 33 at intervals along the vertical direction, and the first alkaline washing spray guns 331 are used for spraying sodium hydroxide into the first alkaline washing tower 33 so as to remove sulfur dioxide in the flue gas. Further, a first demister 34 is disposed at the top of the first caustic tower 33, and the first demister 34 is used for removing water vapor from flue gas. Furthermore, the top of the first demister 34 is communicated with the bottom end of the second alkaline washing tower 36 through the first air duct 35, a plurality of second alkaline washing spray guns 361 are arranged on the side surface of the second alkaline washing tower 36 at intervals along the vertical direction, and the second alkaline washing spray guns 361 are used for spraying sodium hydroxide into the second alkaline washing tower 36 to further remove sulfur dioxide in the flue gas, so that the sulfur element is removed more completely. Still further, a second demister 37 is arranged at the top of the second alkaline washing tower 36, and the second demister 37 is also used for removing water vapor contained in the flue gas; one end of the second air duct 38 communicates with the top of the second demister 37, and the other end communicates with the incineration section of the rotary kiln.
In this embodiment, the tail gas treatment assembly 30 further includes a water tank 39, the bottom of the quenching tower 32, the bottom of the first alkaline washing tower 33, and the bottom of the second alkaline washing tower 36 are all communicated with the water tank 39, and the water tank 39 is used for receiving the sulfur-containing wastewater flowing down from the quenching tower 32, the first alkaline washing tower 33, and the second alkaline washing tower 36, and collecting and recycling the sulfur-containing wastewater.
During operation, start first combustor 12 earlier, contain sulphur waste liquid and spout into first combustion chamber 111 through waste liquid spray gun 21 and burn, in order to reach the effect of stove internal desulfurization, also spout lime thick liquid through alkali lye spray gun 22 when spouting sulphur waste liquid for calcium oxide reacts with the sulphur ion that decomposes after burning. The fuel tank 14 is provided on the side of the incinerator 11, and the fuel tank 14 is periodically replenished with diesel fuel during operation. Most sulfur-containing industrial hazardous wastes have unpleasant odor, the second combustion chamber 112 is utilized to further incinerate organic odor and further raise the temperature of the flue gas in the second combustion chamber 112, whether the second combustor 13 is opened or not is determined according to the requirement of the actual production condition, and when the temperature in the second combustion chamber 112 is lower than a set value, the second combustor 13 is opened to inject flame into the second combustion chamber 112, so that the waste liquid is decomposed more completely. In order to prevent the material from deflagrating, when the pressure exceeds 1000Pa, the top explosion venting sheet 15 is broken to release the pressure. High-sulfur substances generated after waste liquid incineration enter flue gas, and the high-temperature flue gas is treated by a quenching tower 32 to instantly reduce the temperature from one thousand ℃ to about seventy-five ℃. Quench tower 32 has arranged three and the second quench spray gun 322 of side level setting of the first quench spray gun 321 in top for form no dead angle water curtain in quench tower 32, carry out the initial wash with sulphur element, the sulphur waste water that washes down falls into the water tank 39 collection retrieval and utilization of bottom. The quenched flue gas still contains sulfur dioxide generated by partial incineration, sulfur dioxide acid gas reacts with sodium hydroxide alkali liquor in the first alkaline washing tower 33 to remove 80% of sulfur elements, reacts with the sodium hydroxide alkali liquor in the second alkaline washing tower 36 to remove more than 95% of sulfur elements, and leaves the pre-incineration system after being demisted by the first demister 34 and the second demister 37. Along with the difference of burning the material, this contain sulphur waste liquid burn in advance device 100 can imbed the suitable process section that the rotary kiln burned for the flue gas finally reaches emission after the hazardous waste burns pollution control standard.
The utility model discloses a contain device 100 of burning in advance of sulphur waste liquid, burn burning furnace 11 through the setting, quench tower 32, first alkaline tower 33 and second alkaline tower 36, contain the sulphur waste liquid and burn through high temperature in burning furnace 11, decompose sulphur element, the alkali liquor reaction that partly sulphur element and alkali liquor spray gun 22 jetted into is got rid of, partly sulphur element is carried through quench tower 32 cooling by the flue gas that burns the production, then loop through first alkaline tower 33 and second alkaline tower 36 and take place chemical reaction, high sulphur component in the flue gas is effectively got rid of, this contain the device 100 of burning in advance of sulphur waste liquid has overall structure compactness, small, easily manufacture and remove and characteristics with low costs, do benefit to extensive popularization and application.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a contain device of burning in advance of sulphur waste liquid, its characterized in that, is including burning subassembly, feeding subassembly and tail gas treatment subassembly, burn the subassembly including burning furnace and first combustor, first combustor sets up burn one side of burning furnace, the feeding subassembly includes waste liquid spray gun and alkali lye spray gun, the waste liquid spray gun sets up one side of first combustor, the alkali lye spray gun sets up the top of waste liquid spray gun, alkali lye spray gun even with burn burning furnace intercommunication, the tail gas treatment subassembly includes quench tower, first alkaline tower and second alkaline tower, the quench tower with burn the intercommunication of burning furnace, first alkaline tower with the intercommunication of quench tower, the second quench tower with the intercommunication of first alkaline tower.
2. The apparatus for pre-incinerating a sulfur-containing waste liquid according to claim 1, wherein said incinerator comprises a first combustion chamber and a second combustion chamber which are connected in series from bottom to top, said first combustion chamber being in communication with said second combustion chamber.
3. The apparatus for pre-incinerating sulfur-containing waste liquid according to claim 2, wherein said first burner, said waste liquid lance and said lye lance are all in communication with said first combustion chamber.
4. The apparatus for pre-incinerating a sulfur-containing waste liquid according to claim 2, wherein said incineration assembly further comprises a second burner disposed at one end of said second combustion chamber.
5. The pre-incinerator of sulfur-containing waste liquid according to claim 4, wherein said incineration module further comprises a fuel tank disposed at an end of said second combustion chamber remote from said second burner, said fuel tank being for supplying fuel to said first burner and said second burner.
6. The apparatus for preliminary incineration of sulfur-containing waste liquid according to claim 1, wherein said incineration module further comprises a explosion venting sheet provided inside a top portion of said incinerator.
7. The apparatus for pre-incinerating a sulfur-containing waste liquid according to claim 1, wherein the tail gas treatment assembly further comprises a first demister and a second demister, wherein the bottom of the first demister is in communication with the top of the first caustic tower, and the bottom of the second demister is in communication with the top of the second caustic tower.
8. The apparatus for pre-incinerating a sulfur-containing waste liquid according to claim 7, wherein said tail gas treatment unit further comprises a high-temperature flue, a first air duct and a second air duct, both ends of said high-temperature flue are respectively connected to the incinerator and the quench tower, both ends of said first air duct are respectively connected to the first demister and the second caustic scrubber, and one end of said second air duct is connected to the second demister.
9. The apparatus for pre-incinerating a sulfur-containing waste liquid according to claim 1, wherein said tail gas treatment unit further comprises a first quenching lance disposed at the top of the quenching tower, a second quenching lance disposed at the side of the quenching tower, a first alkaline washing lance disposed at the side of the first alkaline washing tower, and a second alkaline washing lance disposed at the side of the second alkaline washing tower.
10. The apparatus for pre-incinerating a sulfur-containing waste liquid according to claim 1, wherein the offgas treatment unit further comprises a water tank, and the bottoms of the quenching tower, the first caustic scrubber and the second caustic scrubber are all connected to the water tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120760594.1U CN214619604U (en) | 2021-04-14 | 2021-04-14 | Pre-burning device for sulfur-containing waste liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120760594.1U CN214619604U (en) | 2021-04-14 | 2021-04-14 | Pre-burning device for sulfur-containing waste liquid |
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| CN214619604U true CN214619604U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198764A (en) * | 2021-12-07 | 2022-03-18 | 广州雅居乐固体废物处理有限公司 | Incineration pretreatment process for high-sulfur waste liquid |
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2021
- 2021-04-14 CN CN202120760594.1U patent/CN214619604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198764A (en) * | 2021-12-07 | 2022-03-18 | 广州雅居乐固体废物处理有限公司 | Incineration pretreatment process for high-sulfur waste liquid |
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