CN209848796U - Waste denitration catalyst regeneration liquid intermixing system - Google Patents
Waste denitration catalyst regeneration liquid intermixing system Download PDFInfo
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- CN209848796U CN209848796U CN201920075185.0U CN201920075185U CN209848796U CN 209848796 U CN209848796 U CN 209848796U CN 201920075185 U CN201920075185 U CN 201920075185U CN 209848796 U CN209848796 U CN 209848796U
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Abstract
The utility model discloses a waste denitration catalyst regeneration liquid intermixing system, which belongs to the technical field of waste denitration catalyst regeneration and recovery treatment, and comprises a regeneration liquid A tank (1), a regeneration liquid B tank (2) and a regeneration liquid C tank (3); the top end of the side wall of the regeneration liquid A groove (1) is provided with a groove A liquid inlet A (7) and a groove A liquid inlet B (8), and the bottom end of the side wall of the regeneration liquid A groove (1) is provided with a groove A liquid outlet A (20); a pneumatic diaphragm pump A (4) is connected below the regeneration liquid A tank (1); the liquid outlet A (20) of the groove A is connected with the inlet of the pneumatic diaphragm pump A (4); the liquid inlet A (7) and the liquid inlet B (8) of the groove A are respectively provided with an electric valve A (13) and an electric valve B (14) of the groove A. The utility model discloses a use of different pneumatic diaphragm pumps and electric ball valve realizes high-efficient, the portable regeneration liquid intermix between regeneration liquid A groove, regeneration liquid B groove and the regeneration liquid C groove.
Description
Technical Field
The utility model relates to an old and useless denitration catalyst regeneration liquid intermixes system belongs to old and useless denitration catalyst regeneration and recovery processing technical field.
Background
Generally, coal-fired power plants emit a large amount of nitrogen oxides (NOx) every day, and excessive NOx easily causes acid rain and photochemical smog pollution, so most power plants use a Selective Catalytic Reduction (SCR) method to reduce the emission of NOx, and the SCR method has the characteristics of mature technology, high efficiency and the like. The denitration catalyst plays an important role in the whole SCR system, and the flue gas denitration catalyst of the coal-fired power plant is mostly a vanadium-titanium catalyst. The operation condition of the power plant is complex and changeable, and after the catalyst is used for a period of time, the activity of the catalyst is reduced and even the catalyst is inactivated due to thermal sintering, blockage, poisoning and the like. The deactivated SCR catalyst contains precious valuable metals such as vanadium, molybdenum, tungsten and the like, and also contains some toxic substances adsorbed during operation, so that if a power plant does not properly solve the deactivated SCR catalyst, serious secondary pollution is brought to the ecological environment, and the serious waste of resources and other consequences are caused. Therefore, the waste denitration catalyst is recycled by a regeneration method, so that the resource utilization rate can be improved, and huge environmental, economic and social benefits can be created.
The regeneration of the catalyst can be divided into industrial regeneration and field regeneration, and the field regeneration is easy to cause secondary pollution to the surrounding environment and water quality of a power plant and generate greater health risks to the working personnel of the power plant, so the industrial regeneration is the first choice for the regeneration of the catalyst. The mixing and preparation of the catalyst regeneration liquid becomes the important weight of catalyst regeneration, the quality of the final regenerated catalyst finished product is directly influenced by the step, and the step also has a crucial influence on the flue gas denitration efficiency of a subsequent power plant.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an efficient, convenient and fast waste denitration catalyst regeneration liquid intermixing system; further, the utility model provides a uniformly mixed waste denitration catalyst regeneration liquid intermixing system; furthermore, the utility model provides a waste denitration catalyst regeneration liquid intermixing system with heat preservation and heating functions; further, the utility model provides a pneumatic diaphragm pump long service life, not fragile old and useless denitration catalyst regeneration liquid intermix system.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a waste denitration catalyst regeneration liquid intermixing system comprises a regeneration liquid A tank, a regeneration liquid B tank and a regeneration liquid C tank;
the top end of the side wall of the regenerated liquid A groove is provided with a groove A liquid inlet A and a groove A liquid inlet B, and the bottom end of the side wall of the regenerated liquid A groove is provided with a groove A liquid outlet A; a pneumatic diaphragm pump A is connected below the regenerated liquid A tank; the liquid outlet A of the A groove is connected with the inlet of the pneumatic diaphragm pump A; the liquid inlet A of the groove A and the liquid inlet B of the groove A are respectively provided with an electric valve A of the groove A and an electric valve B of the groove A;
the top end of the side wall of the regenerated liquid B tank is provided with a liquid inlet C and a liquid inlet D of the B tank, and the bottom end of the side wall of the regenerated liquid B tank is provided with a liquid outlet B of the B tank; a pneumatic diaphragm pump B is connected below the regeneration liquid B tank; the liquid outlet B of the tank B is connected with the inlet of the pneumatic diaphragm pump B; the liquid inlet C of the groove B and the liquid inlet D of the groove B are respectively provided with an electric valve C of the groove B and an electric valve D of the groove B;
the top end of the side wall of the regenerated liquid C groove is provided with a groove C liquid inlet E and a groove C liquid inlet F, and the bottom end of the side wall of the regenerated liquid C groove is provided with a groove C liquid outlet C; a pneumatic diaphragm pump C is connected below the regeneration liquid C tank; the liquid outlet C of the C groove is connected with the inlet of the pneumatic diaphragm pump C; the liquid inlet E and the liquid inlet F of the C groove are respectively provided with an electric valve E and an electric valve F of the C groove;
the outlet of the pneumatic diaphragm pump A is respectively connected with a tank B liquid inlet C and a tank C liquid inlet E through pipelines, the outlet of the pneumatic diaphragm pump C is respectively connected with a tank B liquid inlet D and a tank A liquid inlet A through pipelines, and the outlet of the pneumatic diaphragm pump B is respectively connected with a tank A liquid inlet B and a tank C liquid inlet F through pipelines.
The tank a electric valve A, A, the tank electric valve B, B, the tank electric valve C, B, the tank electric valve D, C, the tank electric valve E and the tank C electric valve F are electric ball valves.
The pipe is made of 304 stainless steel.
The regeneration liquid A groove, the regeneration liquid B groove and the regeneration liquid C groove top end are all provided with total inlet, total inlet links to each other with the agitator tank.
And the pneumatic diaphragm pump A, the pneumatic diaphragm pump B and the pneumatic diaphragm pump C are respectively connected with the closed circulating cooling system.
And the bottom ends of the regenerated liquid A tank, the regenerated liquid B tank and the regenerated liquid C tank are respectively connected with a mixing system.
The mixing system includes an aeration device.
The groove walls of the regeneration liquid A groove, the regeneration liquid B groove and the regeneration liquid C groove are of sandwich structures, and the sandwich structures are connected with a steam pipe.
The regeneration liquid A tank, the regeneration liquid B tank and the regeneration liquid C tank are made of 304 stainless steel.
The utility model provides a pair of old and useless denitration catalyst regeneration liquid intermixes system through the use of different pneumatic diaphragm pumps and electric ball valve to realize high-efficient, the portable regeneration liquid intermixing between regeneration liquid A groove, regeneration liquid B groove and the regeneration liquid C groove. Meanwhile, the system can be connected with a Distributed Control System (DCS) at a computer end, so that the system is flexible to operate and accurate in proportioning, the time and the economic cost of a production line are effectively saved, and the yield and the quality of the regenerated denitration catalyst are ensured. The arrangement of the circulating cooling system is to avoid high temperature generated when the equipment operates for a long time, so that the service life of the pneumatic diaphragm pump is prolonged, and the damage is not easy to damage. The aeration device can fully fuse and uniformly mix liquid in the tank body, and is beneficial to the waste denitration catalyst to be soaked in the regeneration mixed liquid for catalyst regeneration. The setting that sandwich structure and steam pipe link to each other guarantees that regeneration liquid maintains stabilizing the temperature, makes the utility model discloses have the heating heat preservation function.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a left side view of fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 ~ and fig. 2, a waste denitration catalyst regeneration liquid intermixing system comprises a regeneration liquid a tank 1, a regeneration liquid B tank 2 and a regeneration liquid C tank 3;
the top end of the side wall of the regeneration liquid A groove 1 is provided with a groove A liquid inlet A7 and a groove A liquid inlet B8, and the bottom end of the side wall of the regeneration liquid A groove 1 is provided with a groove A liquid outlet A20; a pneumatic diaphragm pump A4 is connected below the regeneration liquid A tank 1; the A groove liquid outlet A20 is connected with the inlet of the pneumatic diaphragm pump A4; the liquid inlet A7 and the liquid inlet B8 of the A groove are respectively provided with an electric valve A13 and an electric valve B14 of the A groove;
a B groove liquid inlet C9 and a B groove liquid inlet D10 are formed in the top end of the side wall of the regeneration liquid B groove 2, and a B groove liquid outlet B21 is formed in the bottom end of the side wall of the regeneration liquid B groove 2; a pneumatic diaphragm pump B5 is connected below the regeneration liquid B tank 2; the liquid outlet B21 of the tank B is connected with the inlet of the pneumatic diaphragm pump B5; the liquid inlet C9 and the liquid inlet D10 of the B groove are respectively provided with an electric valve C15 and an electric valve D16 of the B groove;
a C groove liquid inlet E11 and a C groove liquid inlet F12 are formed in the top end of the side wall of the regeneration liquid C groove 3, and a C groove liquid outlet C22 is formed in the bottom end of the side wall of the regeneration liquid C groove 3; a pneumatic diaphragm pump C6 is connected below the regeneration liquid C tank 3; the C groove liquid outlet C22 is connected with an inlet of the pneumatic diaphragm pump C6; the liquid inlet E11 and the liquid inlet F12 of the C groove are respectively provided with an electric valve E17 and an electric valve F18 of the C groove;
the outlet of the pneumatic diaphragm pump A4 is respectively connected with a liquid inlet C9 of the groove B and a liquid inlet E11 of the groove C through a pipeline 19, the outlet of the pneumatic diaphragm pump C6 is respectively connected with a liquid inlet D10 of the groove B and a liquid inlet A7 of the groove A through a pipeline 19, and the outlet of the pneumatic diaphragm pump B5 is respectively connected with a liquid inlet B8 of the groove A and a liquid inlet F12 of the groove C through a pipeline 19.
The diameters of the openings of the A groove liquid inlet A7, the A groove liquid inlet B8, the B groove liquid inlet C9, the B groove liquid inlet D10, the C groove liquid inlet E11 and the C groove liquid inlet F12 are all 65 millimeters, flanges are welded and connected with a pipeline 19 through the flanges, and the pipeline 19 is made of 304 stainless steel and has the diameter of 65 millimeters.
The diameters of the openings of the A groove liquid outlet A20, the B groove liquid outlet B21 and the C groove liquid outlet C22 are all 80 mm, and flanges are welded and connected with a pneumatic diaphragm pump through the flanges.
The tank a electric valve a13, the tank a electric valve B14, the tank B electric valve C15, the tank B electric valve D16, the tank C electric valve E17 and the tank C electric valve F18 are electric ball valves.
The electric ball valves are all made of 304 stainless steel, the caliber is 65 mm, and the rated voltage is 220 kilovolt.
When the same tank body (namely the regeneration liquid A tank 1, the regeneration liquid B tank 2 or the regeneration liquid C tank 3) is used, the electric ball valves of the same tank body can not be opened or closed at the same time.
Regeneration liquid A groove 1, regeneration liquid B groove 2 and 3 tops of regeneration liquid C groove all are provided with total inlet, total inlet links to each other with the agitator tank. The total liquid inlet is connected with a stirring tank of another factory building, and different stirred regeneration liquids can be conveyed into different tank bodies through the total liquid inlet.
The pneumatic diaphragm pump A4, the pneumatic diaphragm pump B5 and the pneumatic diaphragm pump C6 are connected with a closed type circulating cooling system respectively, and the circulating cooling system is used for preventing equipment from generating high temperature under long-time operation, so that the pneumatic diaphragm pump is long in service life and not easy to damage.
The flow rates of the pneumatic diaphragm pump A4, the pneumatic diaphragm pump B5 and the pneumatic diaphragm pump C6 are all 0 ~ 6 cubic meter/hour, the lift is 0 ~ 20 m, and the pressure of the air compressor is 2.2 ~ 3 kilowatts.
And the bottom ends of the regeneration liquid A tank 1, the regeneration liquid B tank 2 and the regeneration liquid C tank 3 are respectively connected with a mixing system.
The hybrid system includes aeration equipment, and aeration equipment can make liquid fully fuse in the cell body, and the steam pipe is installed additional to the side in addition, guarantees the regeneration liquid and maintains at stable temperature.
The groove walls of the regeneration liquid A groove 1, the regeneration liquid B groove 2 and the regeneration liquid C groove 3 are of sandwich structures, and the sandwich structures are connected with a steam pipe.
The material of regeneration liquid A groove 1, regeneration liquid B groove 2 and regeneration liquid C groove 3 is 304 stainless steel, and regeneration liquid A groove 1, regeneration liquid B groove 2 and regeneration liquid C groove 3 length are 2.1 meters, and the width is 1.2 meters, and the height is 4 meters.
In this embodiment, taking the example that the regeneration liquid B tank 2 and the regeneration liquid C tank 3 are transported to the regeneration liquid a tank 1, the operation steps of the waste denitration catalyst regeneration liquid intermixing system are as follows:
1. adding the proportioned regeneration liquid A, B and C into a regeneration liquid A tank 1, a regeneration liquid B tank 2 and a regeneration liquid C tank 3 respectively through a stirring tank;
2. opening a liquid outlet C22 of the tank C, opening an electric valve B14 of the tank A, starting a pneumatic diaphragm pump C6, conveying a certain volume of regenerated liquid C to the regenerated liquid A tank 1, and then closing all valves and pumps;
3. opening a liquid outlet B21 of the tank B, opening an electric valve A13 of the tank A, starting a pneumatic diaphragm pump B5, conveying a certain volume of regenerated liquid B to the regenerated liquid A tank 1, and then closing all valves and pumps;
4. and (3) opening an aeration device at the bottom of the regeneration liquid A tank 1, operating for a period of time to fully fuse the mixed liquid in the tank, so as to obtain a proper regeneration impregnation liquid, and then soaking the waste denitration catalyst in the regeneration impregnation liquid to regenerate the catalyst.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a waste denitration catalyst regeneration liquid intermixing system which characterized in that: comprises a regeneration liquid A tank (1), a regeneration liquid B tank (2) and a regeneration liquid C tank (3);
the top end of the side wall of the regeneration liquid A groove (1) is provided with a groove A liquid inlet A (7) and a groove A liquid inlet B (8), and the bottom end of the side wall of the regeneration liquid A groove (1) is provided with a groove A liquid outlet A (20); a pneumatic diaphragm pump A (4) is connected below the regeneration liquid A tank (1); the liquid outlet A (20) of the groove A is connected with the inlet of the pneumatic diaphragm pump A (4); the liquid inlet A (7) of the groove A and the liquid inlet B (8) of the groove A are respectively provided with an electric valve A (13) of the groove A and an electric valve B (14) of the groove A;
a groove B liquid inlet C (9) and a groove B liquid inlet D (10) are formed in the top end of the side wall of the groove B (2) for the regenerated liquid, and a groove B liquid outlet B (21) is formed in the bottom end of the side wall of the groove B (2) for the regenerated liquid; a pneumatic diaphragm pump B (5) is connected below the regeneration liquid B tank (2); the liquid outlet B (21) of the tank B is connected with the inlet of the pneumatic diaphragm pump B (5); a liquid inlet C (9) of the groove B and a liquid inlet D (10) of the groove B are respectively provided with a groove B electric valve C (15) and a groove B electric valve D (16);
a C groove liquid inlet E (11) and a C groove liquid inlet F (12) are formed in the top end of the side wall of the regeneration liquid C groove (3), and a C groove liquid outlet C (22) is formed in the bottom end of the side wall of the regeneration liquid C groove (3); a pneumatic diaphragm pump C (6) is connected below the regeneration liquid C tank (3); the liquid outlet C (22) of the C groove is connected with the inlet of the pneumatic diaphragm pump C (6); a C-groove electric valve E (17) and a C-groove electric valve F (18) are respectively arranged at the C-groove liquid inlet E (11) and the C-groove liquid inlet F (12);
the export of pneumatic diaphragm pump A (4) links to each other with B groove inlet C (9) and C groove inlet E (11) through pipeline (19) respectively, the export of pneumatic diaphragm pump C (6) links to each other with B groove inlet D (10) and A groove inlet A (7) through pipeline (19) respectively, the export of pneumatic diaphragm pump B (5) links to each other with A groove inlet B (8) and C groove inlet F (12) through pipeline (19) respectively.
2. The waste denitration catalyst regeneration liquid intermixing system of claim 1, characterized in that: the tank A electric valve A (13), the tank A electric valve B (14), the tank B electric valve C (15), the tank B electric valve D (16), the tank C electric valve E (17) and the tank C electric valve F (18) are all electric ball valves.
3. The waste denitration catalyst regeneration liquid intermixing system of claim 1, characterized in that: the pipeline (19) is made of 304 stainless steel.
4. The waste denitration catalyst regeneration liquid intermixing system of claim 1, characterized in that: the top ends of the regeneration liquid A tank (1), the regeneration liquid B tank (2) and the regeneration liquid C tank (3) are provided with a total liquid inlet, and the total liquid inlet is connected with the stirring tank.
5. The waste denitration catalyst regeneration liquid intermixing system of claim 1, characterized in that: and the pneumatic diaphragm pump A (4), the pneumatic diaphragm pump B (5) and the pneumatic diaphragm pump C (6) are respectively connected with the closed circulating cooling system.
6. The waste denitration catalyst regeneration liquid intermixing system of claim 1, characterized in that: and the bottom ends of the regeneration liquid A tank (1), the regeneration liquid B tank (2) and the regeneration liquid C tank (3) are respectively connected with a mixing system.
7. The waste denitration catalyst regeneration liquid intermixing system of claim 6, characterized in that: the mixing system includes an aeration device.
8. The waste denitration catalyst regeneration liquid intermixing system of claim 1, characterized in that: the groove walls of the regeneration liquid A groove (1), the regeneration liquid B groove (2) and the regeneration liquid C groove (3) are of sandwich structures, and the sandwich structures are connected with a steam pipe.
9. The waste denitration catalyst regeneration liquid intermixing system of claim 1, characterized in that: the regeneration liquid A tank (1), the regeneration liquid B tank (2) and the regeneration liquid C tank (3) are made of 304 stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920075185.0U CN209848796U (en) | 2019-01-17 | 2019-01-17 | Waste denitration catalyst regeneration liquid intermixing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075185.0U CN209848796U (en) | 2019-01-17 | 2019-01-17 | Waste denitration catalyst regeneration liquid intermixing system |
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| CN209848796U true CN209848796U (en) | 2019-12-27 |
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| CN201920075185.0U Active CN209848796U (en) | 2019-01-17 | 2019-01-17 | Waste denitration catalyst regeneration liquid intermixing system |
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