CN214437918U - Application system of sodium hydroxide solution in flue gas deacidification purification treatment - Google Patents
Application system of sodium hydroxide solution in flue gas deacidification purification treatment Download PDFInfo
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- CN214437918U CN214437918U CN202120529202.0U CN202120529202U CN214437918U CN 214437918 U CN214437918 U CN 214437918U CN 202120529202 U CN202120529202 U CN 202120529202U CN 214437918 U CN214437918 U CN 214437918U
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- caustic soda
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Abstract
The utility model discloses an application system of sodium hydroxide solution in flue gas deacidification purification treatment, which comprises a soft water inlet pipe. The utility model discloses can be to flue gas on-line monitoring equipment CEMS export SO2, HcL concentration of discharging and deacidification tower exit temperature carry out real time monitoring, when control index numerical value surpasses and sets up the limit value, alkali spraying system is from opening, parts such as outlet duct and the sixth connecting pipe on through the gas storage mechanism, intervene flue gas deacidification and purify, be less than when setting up the limit value and lasting steady when control numerical value, alkali spraying system will withdraw from automatically and intervene, and the system can be according to the actual control index condition, two kinds of modes of input of automatic selection sodium hydroxide or deashing, original "semi-dry method/wet method" technology can continue to input at this process, also can stop the maintenance, and the work efficiency is improved, avoid only adopting former "semi-dry method/wet method" technology to carry out flue gas deacidification and purification, will have very big uncertainty, the problem of instability.
Description
Technical Field
The utility model relates to a gas cleaning technical field especially relates to an application system of sodium hydroxide solution in flue gas deacidification purification treatment.
Background
At present, the flue gas purification treatment process of an SNCR system, a semi-dry method, a wet method, a dry method, activated carbon injection and a dust remover is mainly adopted in the industry, wherein the semi-dry method and the wet method are mainly used for treating (deacidifying) SO2, HcL and HF in the flue gas, but the operation stability of the semi-dry method and the wet method is influenced by raw materials, personnel operation, equipment maintenance and the like, equipment cannot continuously ensure a stable operation state, the enterprise burden is greatly increased by adding a set of spare equipment investment cost, operation maintenance cost and the like, particularly in the industries of garbage incineration and hazardous waste disposal, the influence of factors such as unstable and uncontrollable components of incineration raw materials is caused, the effectiveness of flue gas deacidification and purification is sometimes difficult to ensure by the semi-dry method and the wet method during normal operation, and simultaneously, along with the continuous enhancement of the supervision of environmental protection departments, the emission of flue gas pollutants needs to be strictly controlled, therefore, the flue gas deacidification purification is carried out by only adopting the original 'semi-dry method/wet method' process, so that great uncertainty and instability exist, and therefore, an application system of the sodium hydroxide solution in the flue gas deacidification purification treatment is provided to solve the problems.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing an application system of sodium hydroxide solution in flue gas deacidification purification treatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sodium hydroxide solution advances the pipe at flue gas deacidification purification treatment's application system, advance the pipe including the soft water, the soft water advances the one end fixedly connected with solenoid valve of pipe, one side fixedly connected with caustic soda preparation jar of solenoid valve, one side fixedly connected with caustic soda storage jar of caustic soda preparation jar, coupling mechanism is installed to one side of caustic soda storage jar, the first connecting pipe of top fixedly connected with of caustic soda preparation jar, the bottom fixedly connected with clean water tank of caustic soda preparation jar, be equipped with the second connecting pipe in the coupling mechanism, the fourth connecting pipe, clean water tank fixed connection is on the second connecting pipe, the upper portion of fourth connecting pipe is connected with gas storage mechanism through the third connecting pipe, the lower part of fourth connecting pipe is through fifth connecting pipe fixedly connected with second processing furnace group.
Preferably, coupling mechanism is including installing two urea delivery pumps in caustic soda storage jar one side, the one end fixed connection that is located the urea delivery pump of upside is on caustic soda preparation jar, it is on clear water jar to be located downside urea delivery pump fixed connection, the common fixed connection of two urea delivery pumps is on the second connecting pipe, the urea delivery pump that is located the downside passes through connecting branch fixed connection on the second connecting pipe, the bottom fixedly connected with seventh connecting pipe of first connecting pipe, the upper end fixed connection of second connecting pipe is on the seventh connecting pipe, install adjustment mechanism on the seventh connecting pipe, caustic soda storage jar fixedly connected with air outlet mechanism.
Preferably, the air outlet mechanism comprises a spray pipe fixedly connected to one side of the top of the caustic soda storage tank, the top of the spray pipe is fixedly connected with a spray head, and the top of the spray head is provided with a plurality of spray holes.
Preferably, the adjusting mechanism comprises two electromagnetic adjusting valves and two control switches fixedly connected to the seventh connecting pipe, and the control switch on the same side is located on one side of the corresponding electromagnetic adjusting valve.
Preferably, the gas storage mechanism comprises a gas storage tank fixedly connected to the third connecting pipe, the other side of the third connecting pipe is fixedly connected to a sixth connecting pipe, and one side of the sixth connecting pipe is fixedly connected to the second processing furnace group.
Preferably, three electric control valves are fixedly connected to the fourth connecting pipe at equal intervals.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the caustic soda solution prepared by the caustic soda preparation tank is conveyed into the deacidification tower of the corresponding processing furnace group by the first connecting pipe and the second connecting pipe under the power drive of the urea delivery pump for deacidification purification treatment through the matching use of the first connecting pipe, the second connecting pipe, the urea delivery pump and other parts;
2. the preparation and transportation of the clean water and the caustic soda solution are carried out through the first connecting pipe by matching the electromagnetic regulating valve, the first connecting pipe, the control switch and other parts, the power during transportation is provided through the electromagnetic regulating valve, and the work of the electromagnetic regulating valve is controlled through the control switch;
to sum up, the utility model discloses can carry out real time monitoring to flue gas on-line monitoring equipment CEMS export SO2, HcL concentration of discharging and deacidification tower exit temperature, when control index value surpassed and set up the limit value, alkali spraying system is from starting, parts such as outlet duct and the sixth connecting pipe on the gas storage mechanism, intervene flue gas deacidification and purify, when monitored value is less than and sets up the limit value and last steady, alkali spraying system will withdraw from automatically and intervene, and the system can be according to actual control index condition, two kinds of input modes of automatic selection sodium hydroxide or deashing, original "semi-dry method/wet process" technology can continue to drop into in this process, also can stop the maintenance, and the work efficiency is improved, avoid only adopting former "semi-dry method/wet method" technology to carry out flue gas deacidification and purification, there will be very big uncertainty, the problem of instability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic structural diagram of the adjusting mechanism of the present invention;
fig. 4 is a schematic structural diagram of the air outlet mechanism of the present invention.
The symbols in the figures indicate:
1. a soft water inlet pipe; 2. an electromagnetic valve; 3. a caustic soda preparation tank; 4. a first connecting pipe; 5. a second connecting pipe; 6. a gas storage tank; 7. a third connecting pipe; 8. a fourth connecting pipe; 9. an electric control valve; 10. a fifth connecting pipe; 11. a sixth connecting pipe; 12. a first processing furnace group; 13. a second processing furnace group; 14. a seventh connecting pipe; 15. a water spray pipe; 16. a urea delivery pump; 17. a caustic soda storage tank; 18. connecting a support rod; 19. a control switch; 20. an electromagnetic regulating valve; 21. a spray head; 22. and (6) spraying the holes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1-4, the utility model provides a sodium hydroxide solution is at flue gas deacidification purification treatment's application system, it includes that the soft water advances pipe 1, a supporting delivery pipe in outside for connecting, carry out sending into of soft water, the soft water advances the one end fixedly connected with solenoid valve 2 of pipe 1, carry out the flow with the control soft water, one side fixedly connected with caustic soda preparation jar 3 of solenoid valve 2, a caustic soda solution is used for preparing, one side fixedly connected with caustic soda storage jar 17 of caustic soda preparation jar 3, the caustic soda solution of accomplishing will be prepared is saved, fifth connecting pipe 10 fixedly connected with second processing furnace group 13 is passed through to the lower part of fourth connecting pipe 8, a caustic soda solution that is prepared is used for spraying, equidistant three electrical control valve 9 of fixedly connected with on the fourth connecting pipe 8, adjust the caustic soda solution flow of sending into in the pipeline.
The utility model discloses in, coupling mechanism is installed to one side of caustic soda storage jar 17, the first connecting pipe 4 of top fixedly connected with of caustic soda preparation jar 3 for the flue gas of circulation caustic soda solution and access, the clear water jar of bottom fixedly connected with of caustic soda preparation jar 3 for use back washing pipeline and part, the providing of rivers is equipped with second connecting pipe 5, fourth connecting pipe 8 in the coupling mechanism, clear water jar fixed connection is convenient for provide the beam on second connecting pipe 5.
The utility model discloses in, coupling mechanism is including installing two urea delivery pumps 16 in caustic soda storage jar 17 one side, it removes to drive caustic soda solution, the one end fixed connection that is located the urea delivery pump 16 of upside is on caustic soda preparation jar 3, it is on clear water tank to be located 16 fixed connection of downside urea delivery pump, it removes to drive rivers, the common fixed connection of two urea delivery pumps 16 is on second connecting pipe 5, the urea delivery pump 16 that is located the downside is through connecting 18 fixed connection on second connecting pipe 5, be convenient for send rivers into in second connecting pipe 5, the bottom fixedly connected with seventh connecting pipe 14 of first connecting pipe 4, the upper end fixed connection of second connecting pipe 5 is on seventh connecting pipe 14, be convenient for the flow of inside liquid.
The utility model discloses in, caustic soda storage jar 17 fixedly connected with mechanism of giving vent to anger, the mechanism of giving vent to anger includes spray pipe 15 of fixed connection in caustic soda storage jar 17 top one side for the aqueous vapor of during processing is added in the discharge production, spray pipe 15's top fixedly connected with shower nozzle 21, and a plurality of orifices 22, the discharge of the aqueous vapor of being convenient for have been seted up at the top of shower nozzle 21.
The utility model discloses in, install adjustment mechanism on the seventh connecting pipe 14, adjustment mechanism includes two solenoid valve 20 and two control switch 19 of fixed connection on seventh connecting pipe 14 for adjust the caustic soda solution that flows through, be located one side of the solenoid valve 20 that corresponds with the control switch 19 of one side, the solenoid valve 20 work that the control of being convenient for corresponds.
The utility model discloses in, the upper portion of fourth connecting pipe 8 is connected with gas storage mechanism through third connecting pipe 7, connect supporting flue gas conveyer pipe, gas storage mechanism includes gas holder 6 of fixed connection on third connecting pipe 7, the flue gas of keeping in, the opposite side fixedly connected with sixth connecting pipe 11 of third connecting pipe 7, one side fixedly connected with second processing furnace group 13 of sixth connecting pipe 11 for carry out purification treatment in delivering to corresponding second processing furnace group 13 through the pipeline with caustic soda solution.
In the utility model, when the sodium hydroxide solution is used in the application system of flue gas deacidification purification treatment, the external matched flue gas feed pipe is connected into the purification application system through the gas storage tank 6, 99% flake caustic soda bagged raw material is added into the caustic soda preparation tank 3, then water is added through the soft water inlet pipe 1, the flake caustic soda is dissolved and diluted into 5-8% caustic soda solution, the prepared caustic soda solution is sent into the caustic soda storage tank 17 through the matched circulating pump, the caustic soda solution is conveyed to the first processing furnace group 12 and the second processing furnace group 13 connected with the seventh connecting pipe 14, the fifth connecting pipe 10 and the third connecting pipe 7 through the urea conveying pump 16 and is sprayed into the deacidification tower on each processing furnace group, the using amount of the 5-8% caustic soda solution is controlled by the electric regulating valve 9, the spraying amount of the caustic soda is controlled by a system or a manual work, the clear water tank is used for storing process water, and is used for flushing the pipeline after the caustic soda supply is finished, in addition, when the temperature of the deacidification tower is too high, only clean water can be sprayed through the two-fluid spray gun to perform cooling operation, and the water inlet of the caustic soda supply pump can be automatically switched between the caustic soda storage tank 17 and the clean water tank through the electromagnetic valve 2.
In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.
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 application, "a plurality" means two or more unless specifically limited otherwise.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. The utility model provides a sodium hydroxide solution is at application system of flue gas deacidification purification treatment, advances pipe (1) including soft water, its characterized in that: one end of the soft water inlet pipe (1) is fixedly connected with an electromagnetic valve (2), one side of the electromagnetic valve (2) is fixedly connected with a caustic soda preparation tank (3), one side of the caustic soda preparation tank (3) is fixedly connected with a caustic soda storage tank (17), one side of the caustic soda storage tank (17) is provided with a connecting mechanism, the top of the caustic soda preparation tank (3) is fixedly connected with a first connecting pipe (4), the bottom of the caustic soda preparation tank (3) is fixedly connected with a clean water tank, a second connecting pipe (5) and a fourth connecting pipe (8) are arranged in the connecting mechanism, the clean water tank is fixedly connected to the second connecting pipe (5), the upper part of the fourth connecting pipe (8) is connected with a gas storage mechanism through a third connecting pipe (7), the lower part of the fourth connecting pipe (8) is fixedly connected with a second processing furnace group (13) through a fifth connecting pipe (10).
2. The system for applying sodium hydroxide solution in deacidification and purification of flue gas as claimed in claim 1, wherein: coupling mechanism is including installing two urea delivery pump (16) in caustic soda storage jar (17) one side, and the one end fixed connection that is located urea delivery pump (16) of upside is on caustic soda preparation jar (3), is located downside urea delivery pump (16) fixed connection on clear water jar, and the common fixed connection of two urea delivery pump (16) is on second connecting pipe (5), and urea delivery pump (16) that are located the downside are through connecting branch (18) fixed connection on second connecting pipe (5), the bottom fixedly connected with seventh connecting pipe (14) of first connecting pipe (4), the upper end fixed connection of second connecting pipe (5) is on seventh connecting pipe (14), install adjustment mechanism on seventh connecting pipe (14), caustic soda storage jar (17) fixedly connected with mechanism of giving vent to anger.
3. The system for applying sodium hydroxide solution in deacidification and purification of flue gas as claimed in claim 2, wherein: the gas outlet mechanism comprises a water spray pipe (15) fixedly connected to one side of the top of the caustic soda storage tank (17), a spray head (21) is fixedly connected to the top of the water spray pipe (15), and a plurality of spray holes (22) are formed in the top of the spray head (21).
4. The system for applying sodium hydroxide solution in deacidification and purification of flue gas as claimed in claim 2, wherein: the adjusting mechanism comprises two electromagnetic adjusting valves (20) and two control switches (19) which are fixedly connected to the seventh connecting pipe (14), and the control switch (19) on the same side is located on one side of the corresponding electromagnetic adjusting valve (20).
5. The system for applying sodium hydroxide solution in deacidification and purification of flue gas as claimed in claim 1, wherein: the gas storage mechanism comprises a gas storage tank (6) fixedly connected to a third connecting pipe (7), the other side of the third connecting pipe (7) is fixedly connected with a sixth connecting pipe (11), and one side of the sixth connecting pipe (11) is fixedly connected with a second processing furnace group (13).
6. The system for applying sodium hydroxide solution in deacidification and purification of flue gas as claimed in claim 1, wherein: the fourth connecting pipe (8) is fixedly connected with three electric regulating valves (9) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529202.0U CN214437918U (en) | 2021-03-12 | 2021-03-12 | Application system of sodium hydroxide solution in flue gas deacidification purification treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529202.0U CN214437918U (en) | 2021-03-12 | 2021-03-12 | Application system of sodium hydroxide solution in flue gas deacidification purification treatment |
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| Publication Number | Publication Date |
|---|---|
| CN214437918U true CN214437918U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120529202.0U Active CN214437918U (en) | 2021-03-12 | 2021-03-12 | Application system of sodium hydroxide solution in flue gas deacidification purification treatment |
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| CN (1) | CN214437918U (en) |
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2021
- 2021-03-12 CN CN202120529202.0U patent/CN214437918U/en active Active
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