CN209865739U - Flue gas washing device suitable for mineralized refuse treatment - Google Patents
Flue gas washing device suitable for mineralized refuse treatment Download PDFInfo
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- CN209865739U CN209865739U CN201920174838.0U CN201920174838U CN209865739U CN 209865739 U CN209865739 U CN 209865739U CN 201920174838 U CN201920174838 U CN 201920174838U CN 209865739 U CN209865739 U CN 209865739U
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- flue gas
- alkaline reaction
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Abstract
The utility model relates to a flue gas washing device suitable for mineralized refuse treatment, which comprises two water tanks filled with alkaline reaction agents; a smoke inlet channel and a smoke outlet channel are arranged above the two water tanks; one end port of the smoke inlet channel of each water tank is arranged outside the water tank, the other end port of the smoke inlet channel extends below the liquid level of the alkaline reaction medicament, one end port of the smoke outlet channel is arranged above the liquid level of the alkaline reaction medicament, and the other end port of the smoke outlet channel is arranged outside the water tank; the smoke outlet channel port of one water tank is communicated with the smoke inlet channel port of the other water tank through a connecting flue arranged outside the two water tanks; a water level meter is arranged on the side wall of each water tank and used for monitoring the liquid level height of the alkaline reaction medicament in the water tank in real time; medicament adding openings are formed in the upper portion of the water tank and used for adding alkaline reaction medicaments into the water tank. The utility model provides a flue gas washing device can be used to the washing and handles the flue gas that mineralize mineralization rubbish produced, can effectively reduce pollutants such as sulphide, particulate matter and tar in the flue gas.
Description
Technical Field
The utility model relates to a refuse treatment technical field especially relates to a flue gas washing device suitable for mineralize mineralization refuse treatment.
Background
At present, garbage in remote areas such as rural areas, scenic spots and the like does not have a system effective treatment mode, leachate and landfill gas are easy to generate during landfill, the odor is heavy, and secondary pollution is caused to cultivated land; a large amount of toxic and harmful gas, especially dioxin, is easily discharged by burning. The mineralized garbage treatment adopts a low-temperature mineralization mode to treat the garbage, the working temperature is lower than the generation temperature of dioxin, and the dioxin is not generated in the mineralization process, so that the method is more environment-friendly. But acid gas containing sulfur is generated in the process of mineralizing the garbage, and the environment is still polluted. A common flue gas desulfurization method by a spray drying method belongs to a dry desulfurization process, and the scheme is that sulfur-containing flue gas and atomized lime slurry react in a drying absorption tower to realize desulfurization treatment, an added absorbent is in a wet state, a desulfurization product is in a dry state, the inner wall of the drying absorption tower is easy to scale, an atomizing device is easy to wear or block, and desulfurization ash is difficult to utilize.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flue gas washing device carries out the effective processing to the sulphide in the flue gas that the mineralization process produced, reduces the flue gas pollution that mineralized refuse produced, solves easy scale deposit of dry process desulfurization technology, blocks up, and the problem that the desulfurization lime-ash is difficult to handle.
In order to realize the aim, the utility model provides a flue gas washing device suitable for mineralized refuse treatment, which comprises two water tanks filled with alkaline reaction agents;
a smoke inlet channel and a smoke outlet channel which are arranged at intervals are arranged above the two water tanks; one end port of the smoke inlet channel of each water tank is arranged outside the water tank, the other end port of the smoke inlet channel extends into the water tank and is positioned below the liquid level of the alkaline reaction agent, one end port of the smoke outlet channel is arranged inside the water tank and is positioned above the liquid level of the alkaline reaction agent, and the other end port of the smoke outlet channel is arranged outside the water tank; the smoke outlet channel port of one water tank is communicated with the smoke inlet channel port of the other water tank through a connecting flue arranged outside the two water tanks;
a water level meter is arranged on the side wall of each water tank and is communicated with the inside of the water tank for monitoring the liquid level height of the alkaline reaction medicament in the water tank in real time; and medicament adding ports are formed above the water tank and are used for adding alkaline reaction medicaments into the water tank.
Preferably, the difference between the height of the port of each water tank, which extends into the water tank, of the smoke inlet channel and the liquid level of the alkaline reaction reagent in the water tank is 1/3-2/3 of the height of the water tank, and the difference between the height of the port of each water tank, which extends into the water tank, of the smoke inlet channel and the height of the liquid level of the alkaline reaction reagent in the water tank is 1/2-2/3 of the height of the water tank, and the height of.
Preferably, the upper caliber of the part of the smoke inlet channel of each water tank extending into the water tank is smaller than the lower caliber.
Preferably, a heating pipe is further arranged inside each water tank, and the heating pipe is arranged below the liquid level of the alkaline reaction agent and used for heating the alkaline reaction agent.
Preferably, the heating pipe is arranged on the bottom surface or the side wall in the water tank and is positioned below the height 1/4 of the water tank.
Preferably, the device further comprises at least two fans; at least one the fan is located one the water tank advance cigarette passageway port department for supplementary flue gas flows in, at least one the fan is located another the water tank go out cigarette passageway port department for supplementary flue gas flows out.
Preferably, a liquid outlet is formed in the bottom of each water tank and used for taking out the alkaline reaction agent and the sediments after the reaction in the water tank.
Preferably, the liquid outlets are respectively provided with a water pump which is communicated with the inside of the water tank through the liquid outlet and is used for pumping the alkaline reaction agent and the sediments after the reaction in the water tank.
Preferably, a filter screen is arranged at one end port of the smoke outlet channel of each water tank, which is arranged in the water tank.
Preferably, the screen is disposed obliquely.
The above technical scheme of the utility model has following advantage: the utility model provides a flue gas washing device suitable for handle produced flue gas of mineralized refuse process, the device includes two water tanks that are equipped with alkaline reaction medicament, the flue gas that will contain sulphur during processing successively lets in two water tanks, through twice washing, the sulphide in the flue gas reacts with alkaline reaction medicament in the water tank, products such as particulate matter and tar persist in the water tank, no longer continue to discharge along with the flue gas, carry out the effective processing to the poisonous and harmful substance in the flue gas, reduce the pollution that the fume emission that mineralized refuse handled caused atmospheric environment.
Drawings
FIG. 1 is a front view of a flue gas washing device in an embodiment of the present invention;
FIG. 2 is a top view of the flue gas washing device in the embodiment of the present invention;
fig. 3 is a schematic sectional view of the water tank structure in the embodiment of the present invention.
In the figure: 1: a water tank; 2: a smoke inlet channel; 3: a smoke outlet channel; 4: connecting the flue; 5: a water level gauge; 6: a medicament addition port; 7: heating the tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the embodiment of the present invention provides a flue gas washing device suitable for mineralized refuse treatment, which includes two water tanks 1 filled with alkaline reaction agents, wherein, the alkaline substance selectable for the alkaline reaction agents is dissolved in water for preparation, and the alkaline substance is preferably hydrated lime. Both water tanks 1 are made of corrosion-resistant materials, and the corrosion-resistant materials are preferably stainless steel. The specific dimensions of the water tank 1 can be set according to the flue gas flow to be treated and are not further limited herein.
The top of two water tanks 1 all is equipped with the cigarette passageway 2 of advancing that the interval set up and goes out cigarette passageway 3, as shown in fig. 3, this water tank 1 outside is located to the 2 one end ports of advancing cigarette passageway of every water tank 1, and inside the other end port stretched into this water tank 1, lie in below the alkaline reaction medicament liquid level, ensure by advancing inside the whole alkaline reaction medicament that lets in of flue gas that cigarette passageway 2 got into. Should go out cigarette passageway 3 and be located into cigarette passageway 2 one side, the one end port that goes out cigarette passageway 3 is located inside this water tank 1, is located above alkaline reaction medicament liquid level, and this water tank 1 outside is located to the other end port for will be through this water tank 1 of flue gas output that alkaline reaction medicament water washing back spilled over. As shown in fig. 2, the port of the smoke outlet channel 3 of one water tank 1 is communicated with the port of the smoke inlet channel 2 of the other water tank 1 through a connecting flue 4 arranged outside the two water tanks 1, the port of the smoke inlet channel 2 and the port of the smoke outlet channel 3 which are not communicated with the connecting flue 4 are respectively a total smoke inlet and a total smoke outlet of the smoke washing device, and the direction shown by the arrow in fig. 2 is the flowing direction of the smoke to be treated in the smoke washing device.
As shown in fig. 1 to 3, the utility model provides a flue gas washing device suitable for mineralize mineralization refuse treatment, in using, by this flue gas washing device's total smoke inlet input pending flue gas, the flue gas gets into a water tank 1 after, acidic material gas such as sulfur dioxide and hydrogen sulfide in the flue gas reacts with water tank 1 interior alkaline reaction medicament, produce salt and water, residual gas after the washing inputs another water tank 1 via connecting flue 4, again with the alkaline reaction medicament in the water tank 1 take place the reaction, finally discharge by total smoke outlet, the flue gas of production is washed through twice continuous water, contain the sulphur component and show the reduction, the emission of effective control sulphide. Meanwhile, fine particles in the flue gas can absorb water and precipitate through the water tank 1 to be left in the alkaline reaction agent solution, tar is changed into a liquid state through the water tank 1 after the temperature is reduced, and the tar can be remained in the water tank 1 and cannot be continuously discharged along with the flue gas, so that the discharge of various toxic and harmful substances in the flue gas is effectively reduced, and the method is more efficient and environment-friendly. This flue gas washing device does not have easy scale deposit, jam scheduling problem, and the alkaline reaction medicament after the washing takes out easily, is convenient for maintain.
This flue gas washing device's alkaline reaction medicament liquid level directly influences its result of use, the liquid level position is too high probably causes the overflow, it then can make the washing effect descend or even become invalid to hang down excessively, preferably, as shown in fig. 1, all be equipped with fluviograph 5 on 1 lateral wall of every water tank, fluviograph 5 and 1 inside intercommunication of this water tank, be used for the 1 inside alkaline reaction medicament liquid level of this water tank of real-time supervision, further preferably, still be equipped with the warning liquid level on the fluviograph 5, be used for reminding the user in time to adding alkaline reaction medicament in the water tank 1.
Preferably, a chemical adding port is opened above each water tank 1 for adding an alkaline reaction chemical into the water tank 1.
In a preferred embodiment, the flue gas washing device further comprises a chemical adding device and a control unit, the chemical adding device is arranged at the chemical adding port, and the control unit is electrically connected with the water level meters 5 of the two water tanks 1 and the chemical adding port and used for judging whether to open the corresponding chemical adding port according to whether the liquid level height of the alkaline reaction chemical monitored by each water level meter 5 reaches the warning liquid level, and the chemical adding device injects the alkaline reaction chemical into the water tank 1.
Particularly, in order to ensure that the flue gas introduced from the flue gas inlet channel 2 can fully react with the alkaline reaction agent in the water tank 1, the difference between the height of the port of the flue gas inlet channel 2 of each water tank 1 extending into the water tank 1 and the height of the liquid level of the alkaline reaction agent in the water tank 1 is 1/3-2/3 of the height of the water tank 1, and the height of the port of the flue gas inlet channel 2 extending into the water tank 1 and the height of the port of the adjacent flue gas outlet channel 3 arranged in the water tank 1 are 1/2-2/3 of the height of the water tank 1. The distance between the smoke outlet passage 3 and the smoke inlet passage 2 is preferably not less than 1/2 of the length of the water tank 1.
Preferably, the smoke inlet channel 2 and the smoke outlet channel 3 both vertically open into the water tank 1, so as to avoid liquid remaining at the port. The part of the smoke inlet channel 2 of each water tank 1 extending into the water tank 1 is preferably in a horn shape, the upper caliber of the part is smaller than the lower caliber of the part, and the port extending below the liquid level is preferably provided with a large-hole screen mesh so as to crush bubbles and ensure that the introduced smoke can be fully contacted with an alkaline reaction agent for reaction.
The utility model provides a flue gas washing device does not receive the temperature restriction, because the hot flue gas that the mineralization produced passes through from the water tank, the flue gas has a large amount of heats, the flue gas overflows from liquid simultaneously, drive the motion of alkaline reaction medicament and produce certain heat, even liquid is also difficult freezing in chilly winter water tank, nevertheless consider that partial area winter temperature is low excessively, probably influence the result of use, preferably, 1 inside heating pipe 7 that still is equipped with of every water tank, alkaline reaction medicament liquid level below is located to heating pipe 7, be used for heating alkaline reaction medicament. Further preferably, the heating pipe 7 is disposed on the bottom or side wall of the inside of the water tank 1, preferably below the height 1/4 of the water tank 1.
Preferably, the flue gas washing device further comprises at least two fans, at least one fan is arranged at the port of the flue gas inlet channel 2 of one water tank 1 and is used for assisting the inflow of flue gas, and the port of the flue gas inlet channel 2 is preferably the total flue gas inlet of the flue gas washing device. At least one fan is arranged at the port of the smoke outlet channel 3 of the other water tank 1 and used for assisting smoke to flow out, and the port of the smoke outlet channel 3 is preferably the total smoke outlet of the smoke washing device. The flue gas passes through the fan effect and gets into water tank 1 primary washing through always advancing the mouth, overflows after reacting with alkaline reaction medicament again, gets into another water tank 1 through connecting flue 4 again and carries out the secondary washing, and the flue gas after the secondary washing passes through the fan and outwards discharges through always going out the mouth of cigarette, utilizes the fan can promote the flue gas to flow.
Preferably, a liquid outlet is formed in the bottom of each water tank 1 and used for taking out alkaline reaction agents and formed sediments after reaction with the flue gas in the water tank 1, and deposition of substances such as particulate matters, tar and the like in the flue gas in the water tank 1 is avoided. Further preferably, a water pump is further arranged at the liquid outlet and communicated with the inside of the water tank through the liquid outlet for pumping the alkaline reaction agent and the sediments after the reaction in the water tank, and the water pump can be used for pumping the bottom liquid of the water tank 1 more quickly.
In a preferred embodiment, a filter screen is arranged at one end port of the smoke outlet channel 3 of each water tank 1, which is arranged inside the water tank 1, the filter screen is preferably a small-hole steel wire mesh, the filter screen can filter particles in smoke, and is helpful for condensing water vapor, reducing the humidity of output smoke, and helping to avoid gas flow to cause alkaline reaction agent overflowing at the end port of the smoke outlet channel 3. Preferably, the filter screen is inclined to facilitate the flow of filtered impurities and moisture back to the inside of the water tank 1.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a flue gas washing device suitable for mineralize mineralization rubbish is handled which characterized in that: comprises two water tanks filled with alkaline reaction agents;
a smoke inlet channel and a smoke outlet channel which are arranged at intervals are arranged above the two water tanks; one end port of the smoke inlet channel of each water tank is arranged outside the water tank, the other end port of the smoke inlet channel extends into the water tank and is positioned below the liquid level of the alkaline reaction agent, one end port of the smoke outlet channel is arranged inside the water tank and is positioned above the liquid level of the alkaline reaction agent, and the other end port of the smoke outlet channel is arranged outside the water tank; the smoke outlet channel port of one water tank is communicated with the smoke inlet channel port of the other water tank through a connecting flue arranged outside the two water tanks;
a water level meter is arranged on the side wall of each water tank and is communicated with the inside of the water tank for monitoring the liquid level height of the alkaline reaction medicament in the water tank in real time; and medicament adding ports are formed above the water tank and are used for adding alkaline reaction medicaments into the water tank.
2. The flue gas washing device of claim 1, wherein: the difference between the height of the port of each water tank, extending into the water tank, of the smoke inlet channel and the liquid level of the alkaline reaction agent in the water tank is 1/3-2/3 of the height of the water tank, and the difference between the height of the port of each water tank, extending into the water tank, of the smoke inlet channel and the height of the liquid level of the alkaline reaction agent in the water tank is 1/2-2/3 of the height of the water tank, and the height of the.
3. The flue gas washing device of claim 1, wherein: the upper caliber of the part of the smoke inlet channel of each water tank, which extends into the water tank, is smaller than the lower caliber.
4. The flue gas washing device of claim 1, wherein: and a heating pipe is also arranged in each water tank, and the heating pipe is arranged below the liquid level of the alkaline reaction agent and used for heating the alkaline reaction agent.
5. The flue gas washing device of claim 4, wherein: the heating pipe is arranged on the bottom surface or the side wall in the water tank and is positioned below the height 1/4 of the water tank.
6. The flue gas washing device of claim 1, wherein: the device also comprises at least two fans; at least one the fan is located one the water tank advance cigarette passageway port department for supplementary flue gas flows in, at least one the fan is located another the water tank go out cigarette passageway port department for supplementary flue gas flows out.
7. The flue gas washing device of claim 1, wherein: and a liquid outlet is formed in the bottom of each water tank and used for taking out the alkaline reaction agent and the sediments after the reaction in the water tank.
8. The flue gas washing device of claim 7, wherein: and the water outlets are respectively provided with a water pump which is communicated with the inside of the water tank through the liquid outlets and is used for pumping the alkaline reaction medicament and the sediments after the reaction in the water tank.
9. The flue gas washing device of claim 1, wherein: every the water tank the play cigarette passageway is located this water tank inside end port department and is equipped with the filter screen.
10. The flue gas washing device of claim 9, wherein: the filter screen is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174838.0U CN209865739U (en) | 2019-01-31 | 2019-01-31 | Flue gas washing device suitable for mineralized refuse treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174838.0U CN209865739U (en) | 2019-01-31 | 2019-01-31 | Flue gas washing device suitable for mineralized refuse treatment |
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| Publication Number | Publication Date |
|---|---|
| CN209865739U true CN209865739U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920174838.0U Active CN209865739U (en) | 2019-01-31 | 2019-01-31 | Flue gas washing device suitable for mineralized refuse treatment |
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|---|---|
| CN (1) | CN209865739U (en) |
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- 2019-01-31 CN CN201920174838.0U patent/CN209865739U/en active Active
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Effective date of registration: 20230504 Address after: Room 102, Building 3, No. 54 Qingchun Road, Huairou District, Beijing, 101499 Patentee after: Beijing Hagong Environmental Science and Technology Co.,Ltd. Address before: Room 808, building 9 (No. 1616, Chuangxin Road), coastal creative science and technology port and Internet of things technology R & D center, Harbin hi tech Industrial Development Zone, Heilongjiang Province Patentee before: HARBIN GONGDA HUANNENG TECHNOLOGY Co.,Ltd. |