Desulfurization slurry circulating pump flow adjusting system

Abstract

The utility model discloses a desulfurization slurry circulating pump flow adjusting system which comprises a desulfurization tower, a gas lifting disc is arranged in the desulfurization tower, the desulfurization tower is divided into an upper layer and a lower layer by the gas lifting disc, and a desulfurization slurry pond is arranged beside the desulfurization tower. The desulfurization slurry tank is connected to a first spraying structure arranged on the upper layer of the desulfurization tower and a second spraying structure arranged on the lower layer of the desulfurization tower, a partition structure is arranged between the second spraying structure and the gas lifting disc, the partition structure comprises a plurality of groups of partition plates, the plurality of groups of partition plates form a plurality of partition intervals, sulfur oxide concentration monitors are arranged above the partition intervals, and the sulfur oxide concentration monitors are connected with the gas lifting disc. The upper layer of the desulfurizing tower is also provided with a plurality of supplementary spraying pipelines corresponding to the plurality of partition interval boxes, and the supplementary spraying pipelines are connected to the desulfurizing slurry tank. Partitions are arranged and the concentration of sulfur oxides in flue gas is monitored, so that accurate supplementing and spraying of slurry are realized, and energy conservation is realized; and meanwhile, the upper-layer desulfurization slurry on the gas lifting disc can be used for supplementary spraying of the lower layer, and the energy efficiency of slurry utilization is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas desulfurization treatment equipment technical field, concretely relates to a kind of desulfurization slurry circulating pump flow regulating system. BACKGROUND

[0002] The prior application No.202321673125.1 of Chinese utility model patent discloses a kind of desulfurization slurry circulating pump flow regulating system, it is provided with regulating valve on the pipeline for slurry circulation, to realize the adjustment of the amount of spray slurry when the concentration of sulfur oxide in flue gas changes;However, in the above structure, the adjustment of slurry intake by valve to adapt to the change of flue gas causes the problem of waste due to excessive adjustment caused by the change of local sulfur oxide concentration in flue gas, and there is room for improvement. UTILITY MODEL CONTENT

[0003] The utility model aims at the deficiency in the above background art, provide a kind of regulating system that can adjust slurry spray circulation in time according to the change of flue gas.

[0004] To achieve the above object, the utility model discloses a kind of desulfurization slurry circulating pump flow regulating system, adopt the following technical scheme:

[0005] A kind of desulfurization slurry circulating pump flow regulating system, including desulfurization tower, desulfurization tower is equipped with lift disc inside, lift disc divides desulfurization tower into upper layer and lower layer, the side of desulfurization tower is equipped with desulfurization slurry pool, the desulfurization slurry pool is connected to the first spray structure placed in the upper layer of desulfurization tower, the second spray structure placed in the lower layer of desulfurization tower, partition structure is equipped between the second spray structure and lift disc, the partition structure includes multiple sets of partition plate, multiple sets of partition plate form multiple partition intervals, sulfur oxide concentration monitor is equipped above partition interval, the upper layer of desulfurization tower is also equipped with multiple supplementary spray pipelines, with multiple partition interval boxes correspond, the supplementary spray pipeline is connected to desulfurization slurry pool.

[0006] The utility model further improves that the desulfurization slurry on lift disc is connected to the first discharge pipe, and the first discharge pipe is also connected to the second spray structure.

[0007] The utility model further improves that the desulfurization tower is connected to the second discharge pipe below, and the second discharge pipe is also connected to the second spray structure.

[0008] The utility model further improves that multiple sets of second supplementary spray pipelines are equipped below partition structure, and multiple sets of second supplementary spray pipelines correspond to multiple partition intervals.

[0009] A further improvement of the desulfurization slurry circulation pump flow regulation system of this utility model is that the second supplementary spray pipe is connected to the first discharge pipe.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] This invention achieves precise replenishment of slurry spraying by setting up zones and monitoring the concentration of sulfur oxides in the flue gas, thus saving energy. At the same time, the upper layer of desulfurization slurry on the gas riser plate can be used for replenishment spraying of the lower layer, which also improves the energy efficiency of slurry utilization. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] In the diagram: 1. Desulfurization tower, 2. Gas lifting pan, 3. Desulfurization slurry pool, 4. First spray structure, 5. Second spray structure, 6. Zoned structure, 7. Sulfur oxide monitor, 8. Supplementary spray pipe, 9. Second supplementary spray pipe, 10. First discharge pipe, 11. Second discharge pipe. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] like Figure 1 As shown, a desulfurization slurry circulation pump flow regulation system includes a desulfurization tower 1, an air riser 2 inside the desulfurization tower dividing the desulfurization tower into an upper and lower layer, a desulfurization slurry pool 3 on the side of the desulfurization tower, the desulfurization slurry pool being connected to a first spray structure 4 located on the upper layer of the desulfurization tower and a second spray structure 5 located on the lower layer of the desulfurization tower, a partition structure 6 being provided between the second spray structure and the air riser, the partition structure including multiple sets of partition plates forming multiple partitioned sections, preferably four sets of partitions, a sulfur oxide concentration monitor 7 being provided above the partitioned sections, and multiple supplementary spray pipes 8 being provided on the upper layer of the desulfurization tower, corresponding to multiple partitioned section boxes, the supplementary spray pipes being connected to the desulfurization slurry pool.

[0016] Furthermore, the desulfurization slurry on the air riser is connected to the first discharge pipe 10, which is also connected to the second spray structure. A supplementary spray pipe is also circulated and connected to the first spray structure.

[0017] The desulfurization tower is connected to the second discharge pipe 12 at the bottom, and the second discharge pipe is also connected to the second spray structure in a circulating manner.

[0018] Further, a plurality of second supplemental spray pipes 9 are arranged below the partition structure, and the plurality of second supplemental spray pipes correspond to the plurality of partitioned areas.

[0019] The upper layer of the desulfurization tower can also be provided with a partition structure for partitioning.

[0020] The working principle of the utility model is as follows: flue gas enters the desulfurization tower, the first and second spray structures continuously spray the desulfurization slurry, the flue gas enters the partition structure after passing through the second spray structure, then the monitor above the partition structure monitors the desulfurization effect, the area with high sulfur content is supplemented with spraying, at the same time, the second supplemental spray pipe in the lower layer of the desulfurization tower can also be supplemented with spraying, so as to ensure the desulfurization effect.

[0021] It is apparent for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A desulfurization slurry circulating pump flow regulation system characterized by: The desulfurization tower is provided with a gas-lifting tray inside, the gas-lifting tray divides the desulfurization tower into an upper layer and a lower layer, the desulfurization tower is provided with a desulfurization slurry pool on the side, the desulfurization slurry pool is connected to a first spraying structure arranged in the upper layer of the desulfurization tower and a second spraying structure arranged in the lower layer of the desulfurization tower, a partition structure is arranged between the second spraying structure and the gas-lifting tray, the partition structure comprises multiple sets of partition plates, the multiple sets of partition plates form multiple partition intervals, a sulfur oxide concentration monitor is arranged above the partition intervals, the upper layer of the desulfurization tower is further provided with multiple supplementary spraying pipelines corresponding to the multiple partition interval boxes, and the supplementary spraying pipelines are connected to the desulfurization slurry pool.

2. The desulfurization slurry circulating pump flow regulating system of claim 1, wherein: The desulfurization slurry on the gas-lifting tray is connected to a first discharge pipe, and the first discharge pipe is further connected to the second spraying structure.

3. The desulfurization slurry circulating pump flow regulating system of claim 2, wherein: The desulfurization tower is connected to a second discharge pipe below, and the second discharge pipe is further connected to the second spraying structure in circulation.

4. The desulfurization slurry circulating pump flow regulating system of claim 3, wherein: Multiple sets of second supplementary spraying pipelines are arranged below the partition structure and correspond to the multiple partition intervals.

5. The desulfurization slurry circulating pump flow regulation system of claim 4, wherein: The second supplementary spraying pipelines are connected to the first discharge pipe.

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