CN216047708U - Double-chamber flue gas washing and purifying tower for hazardous waste incineration treatment system - Google Patents
Double-chamber flue gas washing and purifying tower for hazardous waste incineration treatment system Download PDFInfo
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- CN216047708U CN216047708U CN202122133989.1U CN202122133989U CN216047708U CN 216047708 U CN216047708 U CN 216047708U CN 202122133989 U CN202122133989 U CN 202122133989U CN 216047708 U CN216047708 U CN 216047708U
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Abstract
The utility model provides a double-chamber flue gas washing and purifying tower for a hazardous waste incineration treatment system, which comprises an upper chamber washing tower and a lower chamber washing tower, wherein the upper chamber washing tower and the lower chamber washing tower are connected in series; the upper chamber washing tower and the lower chamber washing tower sequentially comprise a circulating liquid area, a smoke area, a filling area, a cleaning area and a smoke channel from bottom to top; a circulating spray liquid outlet and an external interface are arranged on the circulating liquid area; the smoke area is provided with a supplementary liquid medicine inlet and an input port; the cleaning area is provided with a circulating spray liquid inlet, a demister cleaning port and a demister; and an output port is arranged on the flue gas channel. The utility model combines two single first-stage washing towers into a whole by adopting an upper chamber and a lower chamber, thereby reducing half of the occupied area; meanwhile, under the condition of the same flue gas treatment amount, the manufacturing cost of system equipment is saved, the occupied area of the system equipment is reduced, the operating cost of the system equipment is reduced, and the comprehensive cost performance of the system equipment is improved.
Description
Technical Field
The utility model relates to a double-chamber flue gas washing and purifying tower for a hazardous waste incineration treatment system, in particular to a double-chamber flue gas washing and purifying tower.
Background
In common solid waste and hazardous waste treatment systems, including volatile organic matter treatment systems, incineration treatment has a large market share in related treatment methods due to the advantages of thorough treatment, good effect, high emission standard-reaching rate and the like.
After incineration treatment, although the rear-end treatment system of the flue gas is subjected to treatment by multiple processes, before the tail end enters a chimney to be discharged, the common process is that the flue gas is treated by a series connection mode of multiple washing towers such as acid/alkali washing and tail gas condensation, on one hand, the acid-alkali property of the discharged flue gas is balanced to meet the requirement of neutral discharge, on the other hand, the water content in the flue gas is reduced by condensation, the total discharge amount of the flue gas is reduced, and the white elimination treatment is performed.
However, the number of the washing towers is usually 2, even more than 2, because the tail gas is treated by the serial connection of the multiple washing towers, firstly, the equipment is more, the cost is high, secondly, the occupied area of the equipment is large, meanwhile, because the serial connection operation is adopted, pipelines with large diameters are needed among all the levels for transmitting the tail gas, a common tail gas inlet is arranged at the lower part of the equipment, an outlet is arranged at the top of the equipment, the flow direction needs to be changed when an outlet of the upper level enters an inlet of the lower level, the pipelines for transmitting the tail gas are long and have large cost, the pipelines also need to occupy large space and occupied area, and the support of the tail gas pipelines and the like are not small investment. Also, since the transport distance is long, the flow direction of the exhaust gas has to be changed, resulting in increased pressure loss along the way, more transport energy consumption, and high running cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-chamber flue gas washing and purifying tower for a hazardous waste incineration treatment system, which saves the manufacturing cost of system equipment, reduces the occupied area of the system equipment, reduces the operating cost of the system equipment and improves the system equipment.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a double-chamber flue gas washing and purifying tower for a hazardous waste incineration treatment system comprises an upper chamber washing tower and a lower chamber washing tower, wherein the upper chamber washing tower and the lower chamber washing tower are connected in series; the upper chamber washing tower and the lower chamber washing tower sequentially comprise a circulating liquid area, a smoke area, a filling area, a cleaning area and a smoke channel from bottom to top;
a circulating spray liquid outlet and an external interface are arranged on the circulating liquid area; the smoke area is provided with a supplementary liquid medicine inlet and an input port; the cleaning area is provided with a circulating spray liquid inlet, a demister cleaning port and a demister; and an output port is arranged on the flue gas channel.
Preferably, the input port on the lower chamber scrubber is a flue gas inlet.
Preferably, the upper chamber washing tower and the lower chamber washing tower are provided with manhole inspection ports.
Preferably, the manhole inspection port comprises a manhole inspection port I, a manhole inspection port II and a manhole inspection port III; the hole inspection port I is arranged at an input port on a cleaning area of the lower chamber washing tower; the manhole inspection port II is arranged at an input port on a flue gas area of the upper chamber washing tower; and the inspection inlet III is arranged at an input port on the cleaning area of the upper chamber washing tower.
Preferably, a supplementary water inlet is arranged on the flue gas area of the upper chamber washing tower and is positioned below the manhole second.
Preferably, the output port comprises a first flue gas outlet and a second flue gas outlet, the first flue gas outlet is arranged at the top of the first flue gas channel of the upper chamber washing tower, and the second flue gas outlet is arranged at the top of the second flue gas channel of the lower chamber washing tower.
Preferably, the upper chamber scrubber and the lower chamber scrubber are connected in series by a dual chamber communicating tube with a communicating tube valve.
Preferably, one end of the double-chamber communicating pipe is arranged on an external interface of a circulating liquid area of the upper chamber washing tower, and the other end of the double-chamber communicating pipe is arranged on a flue gas area of the lower chamber washing tower.
Preferably, the external interface of the circulating liquid area of the lower chamber washing tower adopts a sewage draining outlet, and the sewage draining outlet is connected with a sewage draining pipeline.
Preferably, the flue gas inlet is connected with the flue outer pipe, and guide plates which are arranged in a staggered mode are arranged on the inner wall of the flue outer pipe.
The utility model combines two washing towers into one by adopting an upper chamber and a lower chamber, thereby reducing half of the occupied area; meanwhile, under the condition of the same flue gas treatment amount, the manufacturing cost of system equipment is saved, the occupied area of the system equipment is reduced, the operating cost of the system equipment is reduced, and the comprehensive cost performance of the system equipment is improved.
Drawings
FIG. 1 is a schematic structural diagram of a dual-chamber flue gas washing and purifying tower for a hazardous waste incineration treatment system according to the present invention;
FIG. 2 is a schematic structural diagram of an outer flue pipe butted with a flue gas inlet in a double-chamber flue gas washing and purifying tower for a hazardous waste incineration treatment system according to the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a sectional view B-B of fig. 2.
The numbers in the figure are as follows:
1. a first circulating liquid area; 1-1, a first circulating spray liquid outlet; 1-2, a sewage draining outlet;
2. a first smoke area; 2-1, a flue gas inlet; 2-2, a first supplementary liquid medicine inlet;
3. a first filling area;
4. a first cleaning area; 4-1, a first circulating spray liquid inlet; 4-2, cleaning a first nozzle of a demister; 4-3, a manhole inspection opening I; 4-4, a first demister;
5. a first flue gas channel; 5-1, a flue gas transition area between chambers; 5-2, detecting a leakage port between chambers; 5-3, a first flue gas outlet;
6. a circulating liquid area II; 6-1, circulating spray liquid outlets II and 6-2 and a double-chamber communicating pipe; 6-3, a communicating pipe valve;
7. a second flue gas area; 7-1, a make-up water inlet; 7-2, a second supplementary liquid medicine inlet; 7-3, a manhole inspection opening II;
8. a second filling area;
9. a second cleaning area; 9-1, a second circulating spraying liquid inlet; 9-2, a second demister cleaning port; 9-3, a manhole inspection opening III; 9-4, a second demister;
10. a second flue gas channel; 10-1 and a second flue gas outlet;
11. an outer pipe of the smoke pipe; 12. a refractory material; 13. a baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in figure 1, the utility model discloses a double-chamber flue gas washing and purifying tower for a hazardous waste incineration treatment system, which comprises an upper chamber washing tower and a lower chamber washing tower (hereinafter referred to as an upper chamber and a lower chamber), wherein the upper chamber washing tower and the lower chamber washing tower are connected in series through a double-chamber communicating pipe 6-2 with a communicating pipe valve 6-3. The utility model aims to better save water resources and operation cost by means of communicating pipes between the upper chamber and the lower chamber of the device and additionally arranging valves in consideration of better conditions of the washing liquid of the washing tower of the upper chamber compared with the washing liquid of the lower chamber, such as temperature, washing liquid concentration time and the like.
The lower chamber washing tower sequentially comprises a circulating liquid area I1, a smoke area I2, a filling area I3, a cleaning area I4 and a smoke channel I5 from bottom to top; the top of the smoke channel I5 is provided with a smoke outlet I5-3;
a sewage discharge outlet 1-2 and a circulating spray liquid outlet 1-1 are respectively arranged on the circulating liquid area I1; the smoke area I2 is respectively provided with a smoke inlet 2-1 and a supplementary liquid medicine inlet I2-2; a first circulating spray liquid inlet 4-1, a first demister cleaning opening 4-2 and a first demister 4-4 are arranged on the first cleaning area 4;
the upper chamber washing tower sequentially comprises an inter-chamber flue gas transition area 5-1, a circulating liquid area II 6, a flue gas area II 7, a packing area II 8, a cleaning area II 9 and a flue gas channel II 10 from bottom to top; the top of the lower chamber washing tower flue gas channel II 10 is provided with a flue gas outlet II 10-1; a first flue gas channel 5 of the lower chamber washing tower is arranged on an indoor flue gas transition area 5-1 of the upper chamber washing tower and extends into a second flue gas area 7 of the upper chamber washing tower;
a circulating spray liquid outlet II 6-1 is formed in the circulating liquid area II 6; a second supplementary liquid medicine inlet 7-1 is formed in the second smoke area 7; a second circulating spraying liquid inlet 9-1, a second demister cleaning opening 9-2 and a second demister 9-4 are arranged on the second cleaning area 9;
one end of the double-chamber communicating pipe 6-2 is communicated and installed on a circulating liquid zone II 6 of the upper chamber washing tower, and the other end of the double-chamber communicating pipe 6-2 is arranged on a flue gas zone I2 of the lower chamber washing tower and is positioned above the flue gas inlet.
Further, manhole inspection ports are arranged on the upper chamber washing tower and the lower chamber washing tower and respectively comprise a manhole inspection port I4-3, a manhole inspection port II 7-3 and a manhole inspection port III 9-3; the first hole inspection port 4-3 is arranged at an input port on a cleaning area of the lower chamber washing tower; the manhole inspection port II 7-3 is arranged at an input port on a flue gas area of the upper chamber washing tower; and the manhole inspection port III 9-3 is arranged at an input port on the cleaning area of the upper chamber washing tower.
Furthermore, a supplementary water inlet 7-2 is arranged on a flue gas area of the upper chamber washing tower, and the supplementary water inlet 7-2 is positioned below the inspection hole II 7-3.
Further, the external interface of the circulating liquid area of the lower chamber washing tower adopts a sewage draining outlet 1-2, and the sewage draining outlet 1-2 is connected with a sewage draining pipeline.
Furthermore, in order to prevent the upper chamber and the lower chamber from generating internal leakage due to the fault of the equipment body, the indoor leakage detecting port 5-2 is arranged, the detection can be realized through visual observation, a related instrument can also be configured for detection, and when the washing liquid leaking out from the indoor leakage detecting port 5-2 is found, an operator is reminded to pay attention to the indoor internal leakage.
Further, as shown in fig. 2 to 4, the flue gas inlet 2-1 is connected with an outer flue pipe 11, and a refractory material 12 is adopted in the outer flue pipe 11. In order to increase the sufficient reaction between the flue gas and the washing liquid, a plurality of guide plates 13 which are installed in a staggered mode are arranged on the inner wall of the flue outer pipe 11, so that the flue gas enters the flue gas area I2 from a flue gas inlet 2-1 through the guide plates 13 in the guide direction shown in the figures 3 and 4.
The working principle of the utility model is as follows:
under normal conditions, different washing liquids are added into the upper chamber and the lower chamber through circulating spraying liquid inlets arranged in the smoke areas of the upper chamber and the lower chamber, so that the functions of acid-base neutral discharge, special hair absorption, cooling and the like are achieved. (the working principle of the single-stage washing tower is the prior art, is not the technical point of the utility model, and is not described in detail here)
When the concentration of acid and alkali or certain components in the flue gas area is higher, the single one-level washing tower can not effectively ensure that the emission is qualified, at the moment, the upper chamber and the lower chamber can simultaneously use the same washing liquid, the upper chamber and the lower chamber are opened through a communicating pipe valve 6-3, the secondary washing effect is achieved, and the specific steps are as follows:
flue gas enters a flue gas area of a lower chamber washing tower from a flue gas inlet 2-1 through a flow guide plate 13 in a flue gas outer pipe 11 in a flow guide direction shown in figures 3 and 4, then the flue gas enters a cleaning area I4 from a flue gas area I2 through a packing area I3, cleaning liquid enters the cleaning area I4 through a circulating spray liquid inlet I4-1 and is mixed with the flue gas in the cleaning area I4 in a spraying mode, and the effects of neutral discharged acid and alkali, special adsorption generation, cooling and the like are achieved; and then the smoke is subjected to defoaming treatment through a demister I4-4 in a cleaning area I4, the sprayed smoke rises to a smoke channel I5 and enters a smoke area II 7 of an upper chamber washing tower through a smoke outlet I5-3, the smoke passes through a filler area II 8 from the smoke area II 7 and then enters a cleaning area II 9, the cleaning solution of the upper chamber washing tower enters the cleaning area II 9 through a circulating spraying solution inlet II 9-1 and is mixed with the smoke in the cleaning area II 9 in a spraying mode to achieve the effect of secondary cleaning, then the defoaming treatment is performed through a demister II 9-1 in the cleaning area II 9, and the sprayed smoke rises to a smoke channel II 10 and is discharged through a smoke outlet II 10-1.
In addition, when the washing adsorption capacity of the washing liquid in the lower chamber washing tower is reduced to be changed after the lower chamber washing tower operates for a period of time, the washing liquid in the lower chamber washing tower is discharged from the lower chamber through the sewage outlet 1-2, meanwhile, the washing liquid in the lower chamber washing tower can enter the lower chamber through gravity after being opened through the communicating pipe valve 6-3 and is used as the supplementary washing liquid at the supplementary liquid medicine inlet 2-2 of the lower chamber washing tower, and the supplementary washing liquid at the supplementary liquid medicine inlet 7-1 of the upper chamber washing tower is input through the outside. Therefore, the washing liquid can be fully and effectively used, and the reaction of the smoke and the washing liquid can be more sufficient.
The utility model combines two independent first-stage washing towers into one by adopting a chamber division mode, thereby reducing half of the occupied area. The upper chamber and the lower chamber can simultaneously operate, and are equivalent to two serially connected washing towers. Under the condition of ensuring that the emission reaches the standard, only one chamber is operated, which is equivalent to an independent washing tower, and the two washing towers can be communicated with an upper chamber and a lower chamber through a double-chamber communicating pipe 6-2 to carry out secondary washing, so that a good flue gas washing effect is achieved; meanwhile, the upper chamber washing tower can also be used as a supplementary washing tower of the lower chamber washing tower by opening the double-chamber communicating pipe 6-2, and washing liquid in the upper chamber washing tower enters the lower chamber washing tower through gravity so as to achieve the effect of supplementary washing.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. A double-chamber flue gas washing and purifying tower for a hazardous waste incineration treatment system comprises an upper chamber washing tower and a lower chamber washing tower, wherein the upper chamber washing tower and the lower chamber washing tower are connected in series; the device is characterized in that the upper chamber washing tower and the lower chamber washing tower sequentially comprise a circulating liquid area, a flue gas area, a filler area, a cleaning area and a flue gas channel from bottom to top;
a circulating spray liquid outlet and an external interface are arranged on the circulating liquid area; the smoke area is provided with a supplementary liquid medicine inlet and an input port; the cleaning area is provided with a circulating spray liquid inlet, a demister cleaning port and a demister; and an output port is arranged on the flue gas channel.
2. The double-chamber flue gas washing and purifying tower for the hazardous waste incineration disposal system of claim 1, wherein the input port of the lower chamber washing tower is a flue gas inlet (2-1).
3. The dual-chamber flue gas washing and purifying tower for the hazardous waste incineration disposal system of claim 1, wherein the upper chamber washing tower and the lower chamber washing tower are provided with manhole inspection ports.
4. The double-chamber flue gas washing and purifying tower for the hazardous waste incineration disposal system of claim 3, wherein the manhole inspection port comprises a manhole inspection port I (4-3), a manhole inspection port II (7-3) and a manhole inspection port III (9-3); the first hole inspection port (4-3) is arranged at an input port on a cleaning area of the lower chamber washing tower; the manhole second (7-3) is arranged at an input port on a flue gas area of the upper chamber washing tower; and the manhole inspection port III (9-3) is arranged at an input port on the cleaning area of the upper chamber washing tower.
5. A double-chamber flue gas washing and purifying tower for a hazardous waste incineration disposal system according to claim 4, wherein a supplementary water inlet (7-2) is provided on the flue gas area of the upper chamber washing tower, and the supplementary water inlet (7-2) is located below the manhole inspection port two (7-3).
6. The dual-chamber flue gas washing and purifying tower for the hazardous waste incineration disposal system of claim 1, wherein the outlet comprises a first flue gas outlet (5-3) and a second flue gas outlet (10-1), the first flue gas outlet (5-3) is arranged at the top of the first flue gas channel (5) of the upper chamber washing tower, and the second flue gas outlet (10-1) is arranged at the top of the second flue gas channel (10) of the lower chamber washing tower.
7. A double-chamber flue gas washing and purifying tower for a hazardous waste incineration disposal system according to claim 1, wherein the upper chamber washing tower and the lower chamber washing tower are connected in series through a double-chamber communicating pipe (6-2) with a communicating pipe valve (6-3).
8. A double-chamber flue gas washing and purifying tower for a hazardous waste incineration disposal system according to claim 7, wherein one end of the double-chamber communicating pipe (6-2) is arranged on an external port of a circulating liquid zone of the upper chamber washing tower, and the other end of the double-chamber communicating pipe (6-2) is arranged on a flue gas zone of the lower chamber washing tower.
9. A double-chamber flue gas washing and purifying tower for a hazardous waste incineration disposal system according to claim 1, wherein the external interface of the circulating liquid zone of the lower chamber washing tower is a sewage outlet (1-2), and the sewage outlet (1-2) is connected with a sewage pipeline.
10. The double-chamber flue gas washing and purifying tower for the hazardous waste incineration disposal system of claim 2, wherein the flue gas inlet (2-1) is connected with an outer flue pipe (11), and baffles (13) are arranged on the inner wall of the outer flue pipe (11) in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122133989.1U CN216047708U (en) | 2021-09-06 | 2021-09-06 | Double-chamber flue gas washing and purifying tower for hazardous waste incineration treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122133989.1U CN216047708U (en) | 2021-09-06 | 2021-09-06 | Double-chamber flue gas washing and purifying tower for hazardous waste incineration treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216047708U true CN216047708U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122133989.1U Active CN216047708U (en) | 2021-09-06 | 2021-09-06 | Double-chamber flue gas washing and purifying tower for hazardous waste incineration treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216047708U (en) |
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2021
- 2021-09-06 CN CN202122133989.1U patent/CN216047708U/en active Active
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