CN218202349U - Flue gas condensate neutralization device - Google Patents
Flue gas condensate neutralization device Download PDFInfo
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- CN218202349U CN218202349U CN202222316589.9U CN202222316589U CN218202349U CN 218202349 U CN218202349 U CN 218202349U CN 202222316589 U CN202222316589 U CN 202222316589U CN 218202349 U CN218202349 U CN 218202349U
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model relates to a flue gas condensate neutralization apparatus, including the neutralization tank, neutralization tank intercommunication has quantitative infusion set, and quantitative infusion set is used for in to the neutralization tank quantitative transport with be the alkaline neutralization liquid of the condensate emergence neutralization reaction of acidity, and quantitative transport get into in the neutralization tank alkaline neutralization liquid just satisfy in the neutralization tank be the required reaction quantity of acidic condensate. When the device is used, the neutralization tank is emptied, then the alkaline neutralizing liquid is quantitatively put into the neutralization tank through the quantitative infusion device, and then the amount of the acidic condensate discharged into the neutralization tank is controlled according to the amount of the alkaline neutralizing liquid put into the neutralization tank, so that the amount of the condensate entering the neutralization tank just meets the reaction amount required by the neutralization reaction of the alkaline neutralizing liquid quantitatively put into the neutralization tank, the acidic condensate and the alkaline neutralizing liquid completely generate the neutralization reaction in the neutralization tank, and the condensate after the chemical reaction (neutralization reaction) is effectively ensured to be noncorrosive.
Description
Technical Field
The utility model relates to gas appliances technical field such as gas heater and gas heating water heater especially relate to flue gas condensate neutralization and discharging device that gas appliances such as gas heater, gas heating water heater used.
Background
With the rapid development of Chinese economy, one of the issues in developing gas-fired appliances such as gas water heaters, gas heating water heaters, and the like in recent years is how to improve the gas utilization efficiency of the gas-fired appliances. One of the methods for improving the utilization efficiency of gas at present is to use a flue gas condensation technology, that is, to reduce the temperature of flue gas generated by combustion of a gas appliance to below the dew point, condense water vapor in the flue gas into liquid water, and effectively utilize latent heat of vaporization released in the condensation process of the water vapor, thereby greatly improving the thermal efficiency of the gas appliance and achieving an obvious energy-saving effect.
Because the condensate generated by adopting the flue gas condensation technology is acidic and corrosive to some metal materials, non-metal materials and human skin, the condensate is not allowed to be directly discharged. At present, the existing measures for treating the acidic condensate are to inject an alkaline neutralizing solution which performs a neutralization reaction with the acidic condensate into a neutralizing tank, and although the corrosion of the acidic condensate can be reduced, the measures cannot ensure whether the acidic condensate and the alkaline neutralizing solution completely perform the neutralization reaction, so that the condensate after the chemical reaction (neutralization reaction) cannot be ensured to be non-corrosive.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a flue gas condensate neutralization apparatus, it can ensure effectively that the condensate after chemical reaction (neutralization reaction) is noncorrosive.
The technical problem is solved by the following technical scheme:
the flue gas condensate neutralizing device comprises a neutralizing tank, wherein the neutralizing tank is communicated with a quantitative liquid conveying device, and the quantitative liquid conveying device is used for quantitatively conveying alkaline neutralizing liquid into the neutralizing tank.
The utility model discloses a fume condensed liquid neutralization and discharging device compares with the background art, has beneficial effect and does:
the utility model discloses flue gas condensate neutralization discharging equipment is when using, earlier with neutralization tank evacuation, then put into in the neutralization tank with alkaline neutralization liquid ration through quantitative infusion set, the back is according to the volume of the alkaline neutralization liquid in the input neutralization tank come the control to be the amount in acidic condensate discharges into the neutralization tank, make the volume of the condensate in the entering neutralization tank just satisfy the quantitative alkaline neutralization liquid that drops into in the neutralization tank and take place the required reaction quantity of neutralization reaction, thereby make to be acidic condensate and alkaline neutralization liquid and take place the neutralization reaction in the neutralization tank completely, and then ensure effectively that the condensate after chemical reaction (neutralization reaction) is noncorrosive.
In one embodiment, the quantitative infusion device comprises a liquid storage tank and a quantitative structure, wherein the liquid storage tank is communicated with the neutralization tank, and the liquid storage tank can quantitatively deliver alkaline neutralization liquid to the neutralization tank through the quantitative structure.
In one embodiment, the quantifying structure comprises a quantifying tank arranged between the liquid storage tank and a neutralizing tank, the liquid inlet end of the quantifying tank is communicated with the liquid storage tank, the liquid outlet end of the quantifying tank is communicated with the neutralizing tank, a first switch valve is arranged on a passage between the quantifying tank and the liquid storage tank, and a second switch valve is arranged on a passage between the quantifying tank and the neutralizing tank.
In one embodiment, a first liquid level detector is arranged in the quantitative tank and is used for detecting the liquid level height in the quantitative tank.
In one embodiment, the quantitative structure comprises a control unit, a liquid level detection unit and a proportional control valve, the liquid level detection unit is used for detecting the liquid level in the neutralization tank and feeding back the detection result to the control unit, and the proportional control valve is arranged on a passage communicating the liquid storage tank and the neutralization tank and is controlled by the control unit, so that the proportional control valve can be opened and closed according to the liquid level detected by the liquid level detection unit to control the alkaline neutralization liquid to be quantitatively injected into the neutralization tank.
In one embodiment, the quantitative structure further comprises a flow detection unit, the flow detection unit is arranged on a passage communicating the liquid storage tank and the neutralization tank and is controlled by the control unit, the flow detection unit is used for detecting the flow rate of alkaline neutralization liquid injected into the neutralization tank from the liquid storage tank, and the proportional control valve can also adjust the size of a valve switch of the proportional control valve according to the flow rate detected by the flow detection unit.
In one embodiment, the liquid storage tank is further communicated with a balance pipe for injecting liquid into the liquid storage tank or cleaning dirt in the liquid storage tank.
In one of the embodiments, the utility model discloses a flue gas condensate neutralization and discharge device is still including the fluid-discharge tube, the fluid-discharge tube with neutralization jar intercommunication is provided with on the fluid-discharge tube and is used for with the first ooff valve or the power pump of liquid discharge in the neutralization jar.
In one embodiment, a second liquid level detector is arranged in the neutralization tank and used for detecting whether the liquid level in the neutralization tank reaches a set discharge liquid level or not, so that the power pump can be started when the liquid level in the neutralization tank reaches the set discharge liquid level.
In one of them embodiment, the utility model discloses a flue gas condensate neutralizes discharging equipment still includes the condensate pipe, the condensate pipe includes main duct and branch flushing pipe, the main duct is used for leading-in the condensate that is acidity is in the neutralization jar, branch flushing pipe with the input intercommunication of main duct is used for introducing the washing liquid and wash the main duct.
Drawings
FIG. 1 is a first schematic view of a neutralizing discharge device of the present invention applied to a gas water heater;
FIG. 2 is a schematic structural view II of the neutralization and discharge device of the present invention applied to a gas water heater;
fig. 3 is the embodiment of the utility model provides a circuit connection structure sketch map between the control unit, liquid level detection unit and the proportional control valve is related to.
The reference numbers indicate: 10. a neutralization tank; 101. alkaline neutralizing liquid; 102. a second liquid level detector; 20. a liquid storage tank; 202. a balance tube; 21. a dosing tank; 210. a first liquid level detector; 30. a delivery conduit; 301. a first on-off valve; 302. a proportional control valve; 303. a flow rate detection unit; 31. a second on-off valve; 40. a liquid discharge pipe; 401. a third on/off valve; 402. a power pump; 50. a main duct; 51. a branch flushing pipe; 510. a fourth switching valve; 60. a gas water heater.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, when referring to the orientation or positional relationship indicated in the drawings, are used for convenience of description and simplicity of description, and 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 therefore, are not to be considered as limiting the present application.
In the description of the present application, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any 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 application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "inserted," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be specifically understood by those of ordinary skill in the art.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting and communication should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above terms in the present invention by combining the specific contents of the technical solution.
Example (b):
the first embodiment is as follows:
in one embodiment, referring to fig. 1, a flue gas condensate neutralization device comprises a neutralization tank 10, the neutralization tank 10 is communicated with a quantitative liquid feeding device, the quantitative liquid feeding device is used for quantitatively feeding an alkaline neutralization solution 101 which is subjected to neutralization reaction with acidic condensate into the neutralization tank 10, and the alkaline neutralization solution 101 fed into the neutralization tank 10 is metered to just meet the reaction dosage required for neutralizing the acidic condensate in the neutralization tank 10. Therefore, as can be understood by those skilled in the art, the flue gas condensate neutralization and discharge device of the present invention is used, firstly, the neutralization tank 10 is emptied, secondly, the alkaline neutralization liquid 101 is quantitatively fed into the neutralization tank 10 through the quantitative liquid feeding device, and finally, the amount of the acidic condensate discharged into the neutralization tank 10 is controlled according to the amount of the alkaline neutralization liquid 101 fed into the neutralization tank 10, so that the amount of the condensate fed into the neutralization tank 10 just meets the reaction dosage required for the neutralization reaction of the alkaline neutralization liquid 101 fed into the neutralization tank 10, thereby completely neutralizing the acidic condensate and the alkaline neutralization liquid 101 in the neutralization tank 10, and further effectively ensuring that the condensate after the chemical reaction (neutralization reaction) is noncorrosive.
It should be noted that if the acidic condensate is discharged into the neutralization tank 10 and then the alkaline neutralizing liquid 101 is fed into the neutralization tank 10, the acidic condensate will corrode the neutralization tank 10 before the alkaline neutralizing liquid 101 is fed into the neutralization tank 10, which affects the service life of the neutralization tank 10.
As an application scene, will the utility model discloses a flue gas condensate neutralizes discharging equipment is applied to gas heater 60 on, gas heater 60 uses the production to be acidic condensate can through in the leading-in neutralization tank 10 of condensate pipe for gas heater 60 produces and is acidic condensate and get into in the neutralization tank 10 and take place neutralization reaction with alkaline neutralization liquid 101, makes gas heater 60 produce and be acidic condensate and do not have corrosivity after neutralization reaction.
In one embodiment, the dosing device comprises a liquid reservoir in communication with the neutralization tank 10 via a delivery conduit 30 for delivering the alkaline neutralization solution 101 into the neutralization tank 10.
Of course, in other embodiments, the liquid storage tank may also be a liquid storage tank or a liquid storage bottle, which is not limited herein, and it should also fall within the protection scope of the present invention for those skilled in the art to reasonably change the structure of the liquid storage tank.
In one embodiment, the dosing device further comprises a dosing mechanism for allowing the reservoir 20 to dose the alkaline neutralizing solution 101 to the neutralizing tank 10. Specifically, the quantitative structure comprises a quantitative tank 21 arranged on the conveying pipeline 30, the quantitative tank 21 is positioned between the liquid storage tank 20 and the neutralization tank 10, and the quantitative tank 21 is used for controlling the alkaline neutralization liquid 101 to be quantitatively injected into the neutralization tank 10. Specifically, it can be understood that after the neutralization tank 10 is emptied, the alkaline neutralization solution 101 is injected into the neutralization tank 10 according to the volume of the quantitative tank 21, and then enters the neutralization tank 10 to perform neutralization reaction with the acidic condensate and the alkaline neutralization solution 101, and the neutralization reaction is completed when the liquid level in the neutralization tank 10 reaches the set liquid level.
Assuming a situation that the neutralization reaction can be completely performed by the acidic condensate and the alkaline neutralizing liquid 101 according to the proportion of 1:1, the alkaline neutralizing liquid 101 in the quantitative tank 21 is designed to be fed into the neutralization tank 10 to occupy half of the total volume of the neutralization tank 10, and the remaining half volume of the neutralization tank 10 is the acidic condensate feeding amount, so that when the liquid level in the neutralization tank 10 is full, the amount of the condensate fed into the neutralization tank 10 can be ensured to just meet the reaction dosage required by the neutralization reaction of the alkaline neutralizing liquid 101 fed into the neutralization tank 10.
As another scenario, if the acidic condensate and the alkaline neutralizing liquid 101 can be completely neutralized according to the proportion of 1:4, the alkaline neutralizing liquid 101 in the quantitative tank 21 is charged into the neutralizing tank 10 to occupy 80% of the total volume of the neutralizing tank 10, and the remaining 20% of the volume of the neutralizing tank 10 is the acidic condensate inlet amount, so that when the liquid level in the neutralizing tank 10 is full, the amount of the condensate entering the neutralizing tank 10 can be ensured to just meet the reaction dosage required for the neutralization reaction of the alkaline neutralizing liquid 101 charged into the neutralizing tank 10.
It should be noted that the volume of the quantitative tank 21 is designed according to the volume of the neutralization tank 10, and is not limited herein, and the designer may reasonably change the selection according to the actual use condition, so it should also fall within the protection scope of the present invention for those skilled in the art to reasonably change the volume of the quantitative tank 21.
In one embodiment, a first switch valve 301 is further disposed between the quantitative tank 21 and the liquid storage tank 20, that is, the first switch valve 301 is disposed on a passage between the quantitative tank and the liquid storage tank, and the first switch valve 301 controls on/off of the liquid storage tank 20 to deliver the alkaline neutralizing liquid 101 into the quantitative tank 21. When the amount of the alkaline neutralizing liquid 101 in the quantitative tank 21 reaches the amount to be transferred into the neutralization tank 10, the first on-off valve 301 is closed. That is, it can be understood that the first on-off valve 301 is opened and closed according to whether or not the alkaline neutralizing liquid 101 in the measuring tank 21 reaches the amount to be transferred into the neutralizing tank 10. The first on-off valve 301 may be opened or closed manually or automatically, and is not limited herein. When the first on-off valve 301 is automatically opened and closed, a first liquid level detector 210 is provided in the measuring tank 21 at a position where the amount of the alkaline neutralizing liquid 101 transferred into the neutralizing tank 10 is reached, and the first liquid level detector 210 detects the liquid level height in the measuring tank. That is, the first liquid level detector 210 detects whether or not the liquid level in the quantitative tank 21 reaches a position at which the alkaline neutralizing liquid 101 is fed into the neutralizing tank 10, and the first on-off valve 301 is an electric ball valve which is opened and closed according to a signal detected by the first liquid level detector 210, thereby enabling the liquid storage tank 20 to automatically feed the neutralizing liquid into the quantitative tank 21 at a predetermined amount. Of course, a second on-off valve 31 is provided in a passage between the fixed amount tank and the neutralization tank, that is, a transfer pipe 30, and the second on-off valve 31 controls the on-off of the transfer of the neutralization liquid from the fixed amount tank to the neutralization tank.
In one embodiment, the utility model discloses a flue gas condensate neutralizes discharging equipment still includes fluid-discharge tube 40, and fluid-discharge tube 40 and neutralization tank 10 communicate, are provided with on the fluid-discharge tube 40 and are used for the power pump 402 of liquid exhaust in the neutralization tank 10, from this can understand, after being the complete neutralization reaction in neutralization tank 10 of acidic condensate and alkaline neutralization liquid 101, discharge the condensate water that does not have corrosiveness in neutralization tank 10 from fluid-discharge tube 40 to the underground water piping system through starting power pump 402. Of course, the power pump 402 can also ensure that the condensed liquid which is acidic before the power pump 402 is started and the alkaline neutralizing liquid 101 are completely neutralized in the neutralizing tank 10, so as to ensure that the power pump 402 can exert the performance.
In one embodiment, a second liquid level detector 102 is disposed within the neutralization tank 10, and the second liquid level detector 102 may be replaced with a liquid level sensor for detecting whether the liquid level within the neutralization tank 10 reaches a set discharge level, so that the power pump 402 can be activated when the liquid level within the neutralization tank 10 reaches the set discharge level. That is, it can be understood that the liquid level of the acidic condensate and the alkaline neutralizing liquid 101 during the complete neutralization reaction in the neutralization tank 10 is the set discharge liquid level, when the liquid level of the mixed liquid (the acidic condensate and the alkaline neutralizing liquid 101 are mixed) in the neutralization tank 10 reaches the discharge liquid level, the second liquid level detector 102 feeds back the detection signal to the power pump 402, and at this time, the power pump 402 is started according to the signal transmitted by the second liquid level detector 102 to discharge the non-corrosive condensate water in the neutralization tank 10 from the liquid discharge pipe 40 to the underground water pipeline system, thereby achieving the effect of automatic discharge.
Of course, in other embodiments, a third on/off valve 401 for discharging the liquid in the neutralization tank 10 is provided in the drain pipe 40, and the liquid in the neutralization tank 10 is discharged through the third on/off valve 401.
In one embodiment, the reservoir 20 is further connected to a balance tube 202 forTo the direction ofThe liquid storage tank 20 is filled with liquid or dirt in the liquid storage tank 20 is cleaned. The balance tube 202 is used for balancing pressure when filling liquid into the liquid storage tank 20, and is used for cleaning dirt in the liquid storage tank 20 when the balance tube 202 is used for cleaning the dirt in the liquid storage tank 20.
In one embodiment, the condensate conduit includes a main conduit 50 for introducing acidic condensate into the neutralization tank 10 and a branch flushing conduit 51, the branch flushing conduit 51 communicating with an input end of the main conduit 50, the branch flushing conduit 51 for introducing a cleaning liquid to flush the main conduit 50. Therefore, the cleaning liquid can be introduced to wash the main conduit 50 before the neutralization tank 10 is emptied each time, so that the workload of manual cleaning is reduced, and the cleaning function of the main conduit 50 is realized. Of course, the branch flushing pipe 51 is further provided with a fourth switching valve 510, the fourth switching valve 510 is in a normally closed state, and the fourth switching valve 510 is opened only when the cleaning liquid is introduced through the branch flushing pipe 51 to flush the main pipe 50.
The utility model discloses a theory of operation:
the neutralization tank 10 is firstly emptied, the neutralization liquid is conveyed from the liquid storage tank 20 to the quantitative tank 21 through the conveying pipe, the neutralization liquid is conveyed from the quantitative tank 21 to the neutralization tank 10 through the conveying pipe in a quantitative mode, the acid condensate generated by the gas water heater 60 is guided into the neutralization tank 10 through the main pipe 50 and is completely mixed with the alkaline neutralization liquid 101 to generate neutralization reaction, and the neutralization tank 10 is changed into non-corrosive liquid, and finally the non-corrosive liquid in the neutralization tank 10 is discharged to a sewer pipe system through the liquid discharge pipe 40 through the power pump 402.
Example two:
the difference between this embodiment and the first embodiment is: quantitative structural differences.
Referring to fig. 2 and 3, the quantitative structure includes a control unit, a liquid level detection unit for detecting the liquid level in the neutralization tank 10 and feeding back the detection result to the control unit, and a proportional control valve 302 disposed on the delivery pipe 30 connecting the liquid storage tank 20 and the neutralization tank 10 and controlled by the control unit, so that the proportional control valve 302 can open and close according to the liquid level detected by the liquid level detection unit to control the alkaline neutralization liquid 101 to be quantitatively injected into the neutralization tank 10. Specifically, it can be understood that the liquid level detection unit includes a plurality of liquid level sensors, when only one liquid level sensor is provided, the liquid level sensor is arranged at a certain set liquid level in the neutralization tank 10 (the liquid level is the amount of the condensate entering the neutralization tank 10 and just meets the reaction dosage required by the neutralization reaction of the alkaline neutralization liquid 101 put into the neutralization tank 10), when the liquid level sensor detects that the neutralization liquid level in the neutralization tank 10 reaches the set liquid level, the feedback signal controls the proportional control valve 302 to close, and at this time, the acidic condensate is dropped into the neutralization tank 10 to be completely neutralized with the neutralization liquid; when a plurality of liquid level sensors are arranged, the plurality of liquid level sensors are respectively a liquid level sensor A, a liquid level sensor B, a liquid level sensor C and the like, for example, alkaline neutralizing liquid 101 accounting for 10% of the total volume of the neutralizing tank 10 is firstly injected into the neutralizing tank 10, when the liquid level of the neutralizing liquid in the neutralizing tank 10 reaches the position accounting for 10%, the liquid level sensor A is triggered to respond and feed back signals to the control unit, the control unit controls the control proportion regulating valve 302 to be closed, at the moment, acidic condensate is dripped into the neutralizing tank 10 to be neutralized with the neutralizing liquid, when the liquid level of the mixed liquid reaches the position accounting for 20% of the total volume of the neutralizing tank 10, the liquid level sensor B is triggered to respond and feed back signals to the control unit, the control unit controls the proportion regulating valve 302 to be opened, the neutralizing liquid is conveyed into the neutralizing tank 10, and at the same time, the condensate is dripped into the neutralizing tank 10, when the liquid level of the neutralizing liquid reaches the position accounting for 30% of the total volume of the neutralizing tank 10, the liquid level sensor C is triggered to respond and feed back signals to the control unit, the control unit controls the proportion regulating valve 302 to be closed, so that the liquid level of the mixed liquid reaches the liquid level and the neutralizing tank.
In one embodiment, the quantitative structure further comprises a flow detection unit 303, the flow detection unit 303 is disposed on the delivery pipe 30 and controlled by the control unit, the flow detection unit 303 is a flow sensor or a flow detector for detecting the flow rate of the alkaline neutralizing liquid 101 injected into the neutralizing tank 10 from the liquid storage tank 20, and the proportional control valve 302 is further capable of adjusting the size of its valve switch according to the flow rate detected by the flow sensor. That is, it can be understood that the neutralization liquid can be quickly injected into the neutralization tank 10 by the combined coordinated control of the flow sensor and the proportional control valve 302, and since the flow rate at which the acidic condensate liquid drops into the neutralization tank 10 from the discharge port of the gas water heater 60 is slow, the amount of the acidic condensate liquid dropping into the neutralization tank 10 can be ignored in the process of the neutralization liquid rising from the position of 20% of the total volume of the neutralization tank 10 to the position of 30% of the total volume of the neutralization tank 10.
In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features 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 details of the foregoing embodiments are merely representative of several embodiments of the present invention, which are described in more detail and detail, 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. A flue gas condensate neutralization device, comprising a neutralization tank (10), characterized in that the neutralization tank (10) is communicated with a quantitative liquid feeding device, and the quantitative liquid feeding device is used for feeding alkaline neutralization liquid (101) into the neutralization tank (10) in a quantitative mode.
2. A flue gas condensate neutralization apparatus according to claim 1, wherein said dosing infusion device comprises a liquid reservoir (20) and a dosing structure, said liquid reservoir (20) being in communication with said neutralization tank (10), said liquid reservoir (20) being capable of dosing an alkaline neutralization solution (101) to said neutralization tank (10) via said dosing structure.
3. The flue gas condensate neutralizing device as claimed in claim 2, wherein the quantitative structure comprises a quantitative tank (21) arranged between the liquid storage tank (20) and the neutralization tank (10), the liquid inlet end of the quantitative tank (21) is communicated with the liquid storage tank (20), the liquid outlet end of the quantitative tank (21) is communicated with the neutralization tank (10), a first switch valve (301) is arranged on a passage between the quantitative tank (21) and the liquid storage tank (20), and a second switch valve (31) is arranged on a passage between the quantitative tank (21) and the neutralization tank (10).
4. A flue gas condensate neutralization apparatus according to claim 3, wherein a first liquid level detector (210) is arranged in the dosing tank (21), the first liquid level detector (210) being adapted to detect a liquid level in the dosing tank (21).
5. The flue gas condensate neutralizing device of claim 2, wherein the quantitative structure comprises a control unit, a liquid level detection unit and a proportional control valve (302), the liquid level detection unit is used for detecting the liquid level in the neutralization tank (10) and feeding back the detection result to the control unit, the proportional control valve (302) is arranged on a passage communicating the liquid storage tank (20) and the neutralization tank (10) and is controlled by the control unit, so that the proportional control valve (302) can be opened and closed according to the liquid level detected by the liquid level detection unit to control the alkaline neutralization liquid (101) to be quantitatively injected into the neutralization tank (10).
6. The flue gas condensate neutralizing device of claim 5, wherein the quantitative structure further comprises a flow detection unit (303), the flow detection unit (303) is arranged on a passage communicating the liquid storage tank (20) and the neutralization tank (10) and is controlled by the control unit, the flow detection unit (303) is used for detecting the flow rate of the alkaline neutralization liquid (101) injected into the neutralization tank (10) from the liquid storage tank, and the proportional control valve (302) can also adjust the valve switch according to the flow rate detected by the flow detection unit (303).
7. The flue gas condensate neutralizing device of claim 2 wherein said reservoir is further connected to a balance tube (202) for filling said reservoir (20) with liquid or cleaning said reservoir (20) of dirt.
8. The flue gas condensate neutralizing device as claimed in claim 1, further comprising a drain pipe (40), wherein the drain pipe (40) is communicated with the neutralization tank (10), and a third on-off valve (401) or a power pump (402) for draining the liquid in the neutralization tank (10) is arranged on the drain pipe (40).
9. A flue gas condensate neutralization apparatus according to claim 8, wherein a second liquid level detector (102) is provided in the neutralization tank (10), the second liquid level detector (102) being adapted to detect whether the liquid level in the neutralization tank (10) reaches a set discharge level, so that the power pump (402) can be activated when the liquid level in the neutralization tank (10) reaches the set discharge level.
10. A flue gas condensate neutralisation apparatus according to claim 1, characterised in that it further comprises a condensate conduit comprising a main conduit (50) and a branch flush conduit (51), the main conduit (50) being arranged to introduce acidic condensate into the neutralisation tank (10), the branch flush conduit (51) being in communication with an input end of the main conduit (50) for introducing a cleaning liquid to flush the main conduit (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316589.9U CN218202349U (en) | 2022-08-31 | 2022-08-31 | Flue gas condensate neutralization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316589.9U CN218202349U (en) | 2022-08-31 | 2022-08-31 | Flue gas condensate neutralization device |
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| Publication Number | Publication Date |
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| CN218202349U true CN218202349U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222316589.9U Active CN218202349U (en) | 2022-08-31 | 2022-08-31 | Flue gas condensate neutralization device |
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| CN (1) | CN218202349U (en) |
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