CN212680551U - Wet flue gas desulfurization diversion efficiency improving device - Google Patents
Wet flue gas desulfurization diversion efficiency improving device Download PDFInfo
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- CN212680551U CN212680551U CN202020539812.4U CN202020539812U CN212680551U CN 212680551 U CN212680551 U CN 212680551U CN 202020539812 U CN202020539812 U CN 202020539812U CN 212680551 U CN212680551 U CN 212680551U
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Abstract
The utility model discloses a wet desulphurization flue gas diversion effect-improving device, wherein the outlet of a slurry pump is communicated with a slurry pipe, and each diversion slurry branch pipe is communicated with the slurry pipe; the thick liquid of each water conservancy diversion nozzle spun is fan-shaped structure, each water conservancy diversion nozzle spun thick liquid is on same inclined plane on the same water conservancy diversion thick liquid branch pipe, make each water conservancy diversion nozzle spun thick liquid form the guide plate of constituteing by the thick liquid on the same water conservancy diversion thick liquid branch pipe, wherein, the guide plate parallel distribution that each water conservancy diversion thick liquid branch pipe corresponds, the entrance of each water conservancy diversion thick liquid pipe is provided with pressure transmitter and automatically regulated valve, wherein, the controller is connected with pressure transmitter and automatically regulated valve, the device can effectual improvement absorption tower's desulfurization efficiency, and have skill consumption reduction, the difficult characteristics that block up.
Description
Technical Field
The utility model belongs to the atmosphere pollution control field relates to a wet flue gas desulfurization flue gas water conservancy diversion is carried and is imitated device.
Background
The wet flue gas desulfurization volume is big, and in order to save the investment, the absorption tower is the side gas inlet mode, and the general design of entry flue velocity of flow 13 ~ 15m/s, and high-speed flue gas gets into the absorption tower after, makes the interior entry side flue gas velocity of flow far less than the opposite region of entry flue of absorption tower, forms entry efflux phenomenon, causes the interior airflow inequality of absorption tower, influences desulfurization efficiency. With the further improvement of environmental protection standard, the flue gas SO discharged by large-scale thermal power enterprises2The concentration is required to be lower than 35mg/m3. Because the slurry of the absorption tower is easy to scale and block, a conventional guide plate cannot be arranged in the inlet flue of the absorption tower. In order to improve the desulfurization efficiency, methods of increasing the number of spraying layers and improving the spraying density are generally adopted, so that the energy consumption of the slurry circulating pump is high, and the enterprise burden is caused.
Therefore, the development of the flue gas diversion technology which can obviously improve the desulfurization efficiency and is not easy to block is the best mode for wet desulfurization, energy conservation and consumption reduction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a wet flue gas desulfurization water conservancy diversion and carry and imitate device, the device can effectual improvement absorption tower's desulfurization efficiency, and has technical ability consumption reduction, the difficult characteristics that block up.
In order to achieve the above purpose, the wet desulphurization flue gas diversion effect-improving device of the utility model comprises a slurry pipe, a slurry pump, an automatic regulating valve, a controller and a plurality of diversion slurry branch pipes, wherein each diversion slurry branch pipe is positioned in a flue gas inlet of an absorption tower, a plurality of diversion nozzles are arranged on each diversion slurry branch pipe, a slurry pool of the absorption tower is communicated with the inlet of the slurry pump, the outlet of the slurry pump is communicated with the slurry pipe, and each diversion slurry branch pipe is communicated with the slurry pipe;
the slurry sprayed by each flow guide nozzle is of a fan-shaped structure, the slurry sprayed by each flow guide nozzle on the same flow guide slurry branch pipe is on the same inclined plane, so that the slurry sprayed by each flow guide nozzle on the same flow guide slurry branch pipe forms a flow guide plate consisting of slurry, wherein the flow guide plates corresponding to each flow guide slurry branch pipe are distributed in parallel, a pressure transmitter and an automatic regulating valve are arranged at the inlet of each flow guide slurry pipe, and the controller is connected with the pressure transmitter and the automatic regulating valve.
The guide plates corresponding to the guide slurry branch pipes are distributed in parallel.
The device also comprises a flushing system used for flushing each diversion slurry branch pipe and the diversion nozzles on the diversion slurry branch pipes.
The flushing system comprises a process water tank, a flushing water pump, a flushing water pipe and a plurality of flushing nozzles, wherein each flushing nozzle is over against the diversion slurry branch pipe and the diversion nozzle on the diversion slurry branch pipe, the inlet of the flushing water pump is communicated with the process water tank, and the flushing water pump is communicated with the inlet of each flushing nozzle through the flushing water pipe.
All the diversion nozzles on the same diversion slurry branch pipe are distributed at equal intervals in sequence.
The guide plates are distributed obliquely upwards.
The utility model discloses following beneficial effect has:
wet flue gas desulfurization flue gas water conservancy diversion carry and imitate device when concrete operation, the thick liquid that each water conservancy diversion nozzle sprayed on same water conservancy diversion thick liquid branch pipe forms liquid guide plate, the guide plate that each water conservancy diversion thick liquid branch pipe corresponds absorbs the SO in the flue gas when carrying out the water conservancy diversion to the flue gas2And dust, not only can achieve the flue gas diversion effect, but also is not easy to scale and block, solves the jet phenomenon of the flue gas at the inlet of the absorption tower, improves the uniformity of the flue gas flow field in the absorption tower, improves the desulfurization efficiency, and absorbs SO in the flue gas at the inlet of the absorption tower at the same time2And dust, the desulfurization efficiency and the synergistic dust removal efficiency of the absorption tower are increased.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of each diversion slurry branch pipe 2 in the present invention.
Wherein, 1 is a diversion nozzle, 2 is a diversion slurry branch pipe, 3 is a slurry pipe, 4 is a slurry pump, 5 is an automatic regulating valve, 6 is a pressure transmitter, 7 is a flushing nozzle, 8 is a flushing water pipe, and 9 is a flushing water pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 2, the wet desulfurization flue gas diversion efficiency improving device of the present invention comprises a slurry pipe 3, a slurry pump 4, an automatic regulating valve 5, a controller and a plurality of diversion slurry branch pipes 2, wherein each diversion slurry branch pipe 2 is located in a flue gas inlet of an absorption tower, a plurality of diversion nozzles 1 are arranged on each diversion slurry branch pipe 2, a slurry pool of the absorption tower is communicated with an inlet of the slurry pump 4, an outlet of the slurry pump 4 is communicated with the slurry pipe 3, and each diversion slurry branch pipe 2 is communicated with the slurry pipe 3; the grout sprayed by each flow guide nozzle 1 is of a fan-shaped structure, the grout sprayed by each flow guide nozzle 1 on the same flow guide grout branch pipe 2 is on the same inclined plane, so that the grout sprayed by each flow guide nozzle 1 on the same flow guide grout branch pipe 2 forms a flow guide plate consisting of grout, wherein the flow guide plates corresponding to each flow guide grout branch pipe 2 are distributed in parallel, a pressure transmitter 6 and an automatic regulating valve 5 are arranged at the inlet of each flow guide grout pipe 3, and a controller is connected with the pressure transmitter 6 and the automatic regulating valve 5.
The guide plates corresponding to the guide slurry branch pipes 2 are distributed in parallel, the guide nozzles 1 on the same guide slurry branch pipe 2 are sequentially distributed at equal intervals, and the guide plates are distributed in an inclined upward manner.
The utility model discloses still including being used for carrying out the rinse-system that washes to each water conservancy diversion thick liquid branch pipe 2 and the water conservancy diversion nozzle 1 on it, wherein, rinse-system includes technology water tank 10, washing water pump 9, wash pipe 8 and a plurality of washing nozzle 7, and wherein, each washing nozzle 7 just to water conservancy diversion thick liquid branch pipe 2 and the water conservancy diversion nozzle 1 on it, and washing water pump 9's entry is linked together with technology water tank 10, and washing water pump 9 is linked together through the entry of washing pipe 8 with each washing nozzle 7.
The utility model discloses a concrete working process does:
the slurry in the slurry pool at the bottom of the absorption tower is sent into each diversion slurry branch pipe 2 through the slurry pump 4 and then is sprayed into the absorption tower through each diversion nozzle 1 on each diversion slurry branch pipe 2, during the spraying process, the slurry sprayed by each diversion nozzle 1 on the same diversion slurry branch pipe 2 forms a liquid diversion plate, and the diversion plate corresponding to each diversion slurry branch pipe 2 conducts diversion on the flue gas and absorbs SO in the flue gas at the same time of diversion of the flue gas2And dust to increase the desulfurization efficiency and the dust removal efficiency of the absorption tower.
The utility model discloses still include: in the debugging stage, when different flue gas volumes are used, the opening degree of the automatic regulating valve 5 is regulated to change the size of the guide plate, so that the desulfurization efficiency of the absorption tower is highest and the flue gas resistance is minimum, and meanwhile, the pressure of the slurry in each diversion slurry branch pipe 2 is recorded through the pressure transmitter 6, so that the corresponding relation between the flue gas volume, the opening degree of the automatic regulating valve 5 and the pressure of the slurry in each diversion slurry branch pipe 2 when the desulfurization efficiency of the absorption tower is highest and the flue gas resistance is minimum is established;
when the desulfurization tower works, when the flue gas volume of the absorption tower changes, the opening degree of the automatic regulating valve 5 is regulated according to the flue gas volume of the current absorption tower and the strength of slurry in each diversion slurry branch pipe 2, so that the desulfurization efficiency of the absorption tower is highest and the flue gas resistance is minimum.
The flushing water pump 9 conveys flushing water to the flushing nozzle 7 through the flushing water pipe 8 by connecting the process water tank 10, and flushes the diversion slurry branch pipe 2 and the diversion nozzle 1 by periodically opening, so that scaling blockage is avoided.
The utility model provides an efflux phenomenon of absorption tower entry flue gas, flue gas flow field homogeneity in the improvement absorption tower improves desulfurization efficiency.
Claims (5)
1. A wet desulphurization flue gas diversion effect-improving device is characterized by comprising a slurry pipe (3), a slurry pump (4), an automatic regulating valve (5), a controller and a plurality of diversion slurry branch pipes (2), wherein each diversion slurry branch pipe (2) is positioned in a flue gas inlet of an absorption tower, a plurality of diversion nozzles (1) are arranged on each diversion slurry branch pipe (2), a slurry pool of the absorption tower is communicated with an inlet of the slurry pump (4), an outlet of the slurry pump (4) is communicated with the slurry pipe (3), and each diversion slurry branch pipe (2) is communicated with the slurry pipe (3);
the grout of each water conservancy diversion nozzle (1) spun is fan-shaped structure, and each water conservancy diversion nozzle (1) spun grout is on same inclined plane on same water conservancy diversion grout branch pipe (2) for each water conservancy diversion nozzle (1) spun grout forms the guide plate of compriseing the grout on same water conservancy diversion grout branch pipe (2), and wherein, the guide plate parallel distribution that each water conservancy diversion grout branch pipe (2) corresponds, and the entrance of each water conservancy diversion grout pipe (3) is provided with pressure transmitter (6) and automatically regulated valve (5), and wherein, the controller is connected with pressure transmitter (6) and automatically regulated valve (5).
2. The wet desulfurization flue gas diversion and efficiency improvement device according to claim 1, further comprising a flushing system for flushing each diversion slurry branch pipe (2) and the diversion nozzles (1) thereon.
3. The wet desulfurization flue gas diversion and efficiency improvement device according to claim 2, wherein the flushing system comprises a process water tank (10), a flushing water pump (9), a flushing water pipe (8) and a plurality of flushing nozzles (7), wherein each flushing nozzle (7) is over against the diversion slurry branch pipe (2) and the diversion nozzle (1) thereon, the inlet of the flushing water pump (9) is communicated with the process water tank (10), and the flushing water pump (9) is communicated with the inlet of each flushing nozzle (7) through the flushing water pipe (8).
4. The wet desulfurization flue gas diversion and efficiency improvement device according to claim 1, characterized in that the diversion nozzles (1) on the same diversion slurry branch pipe (2) are sequentially distributed at equal intervals.
5. The wet flue gas desulfurization diversion and efficiency improvement device of claim 1, wherein the diversion plates are distributed in an inclined upward direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539812.4U CN212680551U (en) | 2020-04-13 | 2020-04-13 | Wet flue gas desulfurization diversion efficiency improving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539812.4U CN212680551U (en) | 2020-04-13 | 2020-04-13 | Wet flue gas desulfurization diversion efficiency improving device |
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| CN212680551U true CN212680551U (en) | 2021-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359381A (en) * | 2020-04-13 | 2020-07-03 | 华能国际电力股份有限公司 | Wet desulphurization flue gas diversion efficiency-improving device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359381A (en) * | 2020-04-13 | 2020-07-03 | 华能国际电力股份有限公司 | Wet desulphurization flue gas diversion efficiency-improving device and method |
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