CN211753834U - Centrifugal pump machine seals water recycle system - Google Patents
Centrifugal pump machine seals water recycle system Download PDFInfo
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- CN211753834U CN211753834U CN201921695553.8U CN201921695553U CN211753834U CN 211753834 U CN211753834 U CN 211753834U CN 201921695553 U CN201921695553 U CN 201921695553U CN 211753834 U CN211753834 U CN 211753834U
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Abstract
The utility model relates to a recycling system, in particular to a centrifugal pump machine seal water recycling system and application, the system comprises a recycling component, a machine seal water tank, a machine seal water pump and a desulfurization system tertiary circulation tank (6), the water inlet of the recycling component is communicated with the machine seal cooling water outlet of the desulfurization system centrifugal pump machine through a pipeline; the water outlet of the recovery component is communicated with the machine seal water tank through a pipeline, and a manual butterfly valve is arranged on the pipeline; the machine seal water tank pumps the machine seal cooling water into a three-stage circulation tank (6) of the desulfurization system from the machine seal water tank through a machine seal water pump; the mechanical seal water pump is an integrated pump with a water suction box, a water suction port of the water suction box is arranged in the mechanical seal water tank, and a water outlet of the mechanical seal water pump extends into the three-stage circulation tank (6) of the desulfurization system. The utility model greatly reduces the process water supplement amount in the operation of the desulfurization system, achieves the purposes of cost reduction and efficiency improvement in the ammonia desulfurization process, and also satisfies the operation of the ammonia desulfurization process.
Description
Technical Field
The utility model relates to a recycle system, concretely relates to centrifugal pump machine seals water recycle system.
Background
The desulfurization device adopts the most advanced ammonia desulfurization technology of the prior desulfurization process, the ammonia desulfurization technology has the advantages of high desulfurization efficiency and no secondary pollution, the byproduct ammonium sulfate can create considerable economic benefit, the recycling of sulfur resources is realized, no redundant wastewater is generated in the system, the on-site environment is clean, and the like, and correspondingly, the device also has the defects of high operation cost, serious system corrosion, pipeline scaling, ammonia escape and the like.
The centrifugal pump is a main device in the ammonia desulphurization technology, and comprises a first-stage pump, a second-stage pump, a third-stage pump, an ammonium sulfate discharge pump, an ammonia pump, a process water pump and other centrifugal circulating water pumps, wherein the existing device is provided with 29 pump bodies, circulating water is used as pump body machine seal cooling water, and the consumption of the machine seal cooling water reaches 100m per day3The original design is that the machine seal cooling water cooler is discharged after being sealed, so that water resources cannot be fully utilized, and meanwhile, in the process of discharging, the machine seal of the pump body is damaged after the machine seal cooling water passes through the machine seal of the pump body, so that the ammonia nitrogen index of discharged water exceeds the standard (the ammonia nitrogen index: 15mg/l) due to the existence of ammonium sulfate in the machine seal cooling water.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the above problems in the prior art, the utility model provides a water recycle system is sealed to centrifugal pump machine.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
the utility model provides a centrifugal pump machine seals water recycle system which characterized in that: which comprises a recovery component, a machine seal water tank, a machine seal water pump and a three-stage circulation tank of a desulfurization system,
the water inlet of the recovery assembly is communicated with the machine seal cooling water outlet of the desulfurization system centrifugal pump machine through a pipeline; the water outlet of the recovery assembly is communicated with the machine seal water tank through a pipeline, and a manual butterfly valve is arranged on the pipeline;
the machine seal water tank pumps the machine seal cooling water into a three-stage circulation tank of the desulfurization system from the machine seal water tank through a machine seal water pump;
the mechanical seal water pump is an integrated pump with a water suction box, a water suction port of the water suction box is arranged in the mechanical seal water tank, and a water outlet of the mechanical seal water pump extends into the three-stage circulation tank (6) of the desulfurization system.
And the machine seal cooling water is pumped into the desulfurizing tower or the circulating tank from the three-stage circulating tank of the desulfurizing system through a three-stage circulating pump.
Furthermore, the length, width and height resolution of the machine-sealed water tank is set to be 1.5m, 1.5m and 2.5m, and the wall thickness of the machine-sealed water tank is 4 mm.
Furthermore, a radar liquid level meter is arranged at the top of the machine-sealed water tank.
Furthermore, a plurality of support rod-shaped reinforcing ribs made of stainless steel are arranged in the machine-sealed water tank.
Further, the recovery assembly and the pipeline are both made of stainless steel.
Further, the recovery assembly comprises a main pipe and a plurality of sub-pipes communicated with the main pipe, and the sub-pipes are communicated with a machine seal cooling water outlet of the centrifugal pump machine of the desulfurization system.
Furthermore, a plurality of funnel-shaped receiving channels with gradually increasing sectional areas and with outward openings are arranged in the lateral direction of the main pipe in an extending mode, and the openings of the funnel-shaped receiving channels are communicated with the water outlets of the sub pipes.
The utility model provides an application of centrifugal pump machine seal water recycle system in ammonia desulfurization method in above-mentioned arbitrary scheme.
(III) advantageous effects
The utility model has the advantages that:
1. the utility model discloses the waste water that make full use of desulfurization centrifugal pump produced, seal the cooling water secondary with the centrifugal pump machine and go in utilizing desulfurization system, make the technology moisturizing volume of desulfurization system in service significantly reduce, both reached cost reduction and efficiency's purpose in ammonia process desulfurization technology, also satisfied ammonia process desulfurization technology operation.
2. Will the utility model discloses in being applied to ammonia desulfurization technology, the production water consumption reduces after putting into use, and outer drainage ammonia nitrogen index does not have the phenomenon that exceeds standard, and the content is less than 0.5 mg/l.
3. After the utility model is used, the water supplement amount of the desulfurization system every day is greatly reduced from 450m every day3Down to 300m3Left and right. The water amount saved each year is more than 3 million tons, and the generation cost is reduced by nearly twenty thousand.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2: the structure of the funnel-shaped receiving channel is schematically shown.
Reference numerals
1: a desulfurization system centrifugal pump;
2: a recovery assembly; 21: a sub-tube; 22: a main pipe; 23: a funnel-shaped receiving channel;
3: a mechanically sealed water tank;
4: a radar level gauge;
5: a mechanically sealed water pump; 51: a suction box;
6: and a three-stage circulating pump.
Detailed Description
For better explanation of the present invention, the following detailed description of the present invention is provided for understanding.
As shown in fig. 1:
the utility model provides a centrifugal pump machine seals water recycle system which characterized in that: which comprises a recovery component 2, a machine seal water tank 3, a machine seal water pump and a three-stage circulating tank 6 of a desulfurization system,
the water inlet of the recovery component 2 is communicated with the sealed cooling water outlet of the desulfurization system centrifugal pump machine 1 through a pipeline; the water outlet of the recovery component 2 is communicated with the machine seal water tank 3 through a pipeline, and a manual butterfly valve is arranged on the pipeline;
the machine seal water tank 3 pumps the machine seal cooling water from the machine seal water tank 3 into a three-stage circulation tank 6 of the desulfurization system through a machine seal water pump;
the mechanical seal water pump is an integrated pump with a water suction box 51, a water suction port of the water suction box 51 is arranged in the mechanical seal water tank 3, and a water outlet of the mechanical seal water pump extends into the three-stage circulation tank 6 of the desulfurization system. The water sealing pump of the mechanical water sealing tank 3 is automatically started when the water sealing pump is 2.2m higher than the liquid level, and the mechanical water sealing pump of the pump stops when the water sealing pump is 0.2m lower than the liquid level.
And the machine seal cooling water is pumped into the desulfurizing tower or the circulating tank from the three-stage circulating tank 6 of the desulfurizing system through a three-stage circulating pump in the three-stage circulating tank 6 of the desulfurizing system. The machine seal cooling water can be conveyed into a plurality of desulfurizing towers or circulating grooves through a plurality of three-stage circulating pumps.
Further, the length, width, and height resolutions of the mechanically sealed water tank 3 are set to 1.5m, and 2.5m, and the tank wall thickness of the mechanically sealed water tank 3 is 4 mm.
Further, a radar liquid level meter 4 is arranged at the top of the machine-sealed water tank 3.
Furthermore, a plurality of support rod-shaped reinforcing ribs made of stainless steel are arranged in the machine-sealed water tank 3.
Further, the recovery assembly 2 and the pipeline are both made of stainless steel.
Further, as shown in fig. 2: the recovery assembly 2 comprises a main pipe 22 and a plurality of sub-pipes 21 communicated with the main pipe 22, and the sub-pipes 21 are communicated with machine seal cooling water outlets of the desulfurization system centrifugal pump 1.
Furthermore, a plurality of funnel-shaped receiving channels 23 with gradually increasing cross-sectional areas and opening outwards are arranged in the lateral direction of the main pipe 22 in an extending manner, and the openings of the funnel-shaped receiving channels 23 are communicated with the water outlets of the sub-pipes 21.
The funnel-shaped receiving channel 23 is convenient for observing the flow of the machine seal cooling water in the sub-pipe 21, and the machine seal cooling water in the sub-pipe 21 can be drained to the main pipe 22. The main pipe 22 can be provided with a plurality of sub-pipes 21, and each sub-pipe 21 can be connected with a machine seal cooling water outlet of the desulfurization system centrifugal pump machine 1 and can receive a plurality of machine seal cooling water simultaneously.
The utility model provides an application of centrifugal pump machine among the above-mentioned arbitrary scheme seals water recycle system in ammonia desulfurization method.
The utility model discloses a retrieve centrifugal pump machine seal cooling water in the ammonia process desulfurization, through stainless steel pipeline subassembly with 1 seals cooling water of desulfurization system centrifugal pump machine recovery machine seal basin 3, then with the machine seal cooling water of machine seal in with machine seal basin 3 beat desulfurization system tertiary circulating slot 6 in, as the technology moisturizing in the tertiary circulating slot 6. The water in the three-stage circulating tank 6 has the effects that on one hand, the water is pumped into the desulfurizing tower through the three-stage circulating pump to carry out final water washing treatment on the flue gas so as to remove particulate matters and ammonium sulfate dust carried in the flue gas and enable the content of discharged environment-friendly index dust to reach the standard; on the other hand, the water is pumped into the desulfurizing tower and the circulating tank through a three-stage circulating pump and is used as spray washing water.
The utility model provides a machine seals cooling water main source is power plant's circulating water pond, and there are impurity and calcium magnesium ion in the water in the circulating water pond, and impurity and calcium magnesium ion content that it contains are analyzed to quality of water within 50mg/l, and it is very low to desulfurization system pipeline scale deposit influence, can satisfy desulfurization process service condition.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a centrifugal pump machine seals water recycle system which characterized in that: which comprises a recovery component (2), a machine seal water tank (3), a machine seal water pump (5) and a three-stage circulating tank (6) of a desulfurization system,
the water inlet of the recovery assembly (2) is communicated with the machine seal cooling water outlet of the desulfurization system centrifugal pump machine (1) through a pipeline; the water outlet of the recovery component (2) is communicated with the machine seal water tank (3) through a pipeline, and a manual butterfly valve is arranged on the pipeline;
the machine seal water tank (3) pumps the machine seal cooling water from the machine seal water tank (3) into a three-stage circulation tank (6) of the desulfurization system through a machine seal water pump (5);
the mechanical seal water pump (5) is an integrated pump with a water suction box (51), a water suction port of the water suction box (51) is arranged in the mechanical seal water tank (3), and a water outlet of the mechanical seal water pump (5) extends into a three-stage circulation tank (6) of the desulfurization system;
and the machine seal cooling water is pumped into the desulfurizing tower or the circulating tank from the three-stage circulating tank (6) of the desulfurizing system through a three-stage circulating pump in the three-stage circulating tank (6) of the desulfurizing system.
2. The centrifugal pump machine seal water recycling system according to claim 1, characterized in that: the length, width and height resolution of the machine-sealed water tank (3) is set to be 1.5m, 1.5m and 2.5m, and the wall thickness of the machine-sealed water tank (3) is 4 mm.
3. The centrifugal pump machine seal water recycling system according to claim 1, characterized in that: and a radar liquid level meter (4) is arranged at the top of the mechanical water sealing tank (3).
4. The centrifugal pump machine seal water recycling system according to claim 1, characterized in that: a plurality of support rod-shaped reinforcing ribs made of stainless steel are arranged in the machine-sealed water tank (3).
5. The centrifugal pump machine seal water recycling system according to claim 1, characterized in that: the recovery component (2) and the pipeline are both made of stainless steel.
6. The centrifugal pump machine seal water recycling system according to claim 1, characterized in that: the recovery assembly (2) comprises a main pipe (22) and a plurality of sub-pipes (21) communicated with the main pipe (22), and the sub-pipes (21) are communicated with a machine seal cooling water outlet of the centrifugal pump machine (1) of the desulfurization system; the water outlet of the main pipe (22) is communicated with the machine seal water tank (3) through a pipeline.
7. The centrifugal pump machine seal water recycling system according to claim 6, characterized in that: the lateral extension of the main pipe (22) is provided with a plurality of funnel-shaped receiving channels (23) with gradually increasing sectional areas and with outward openings, and the openings of the funnel-shaped receiving channels (23) are communicated with the water outlets of the sub-pipes (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695553.8U CN211753834U (en) | 2019-10-11 | 2019-10-11 | Centrifugal pump machine seals water recycle system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695553.8U CN211753834U (en) | 2019-10-11 | 2019-10-11 | Centrifugal pump machine seals water recycle system |
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| CN211753834U true CN211753834U (en) | 2020-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534455A (en) * | 2022-02-11 | 2022-05-27 | 天津渤化永利化工股份有限公司 | Method for recycling machine-sealed water in polyformaldehyde device |
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2019
- 2019-10-11 CN CN201921695553.8U patent/CN211753834U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534455A (en) * | 2022-02-11 | 2022-05-27 | 天津渤化永利化工股份有限公司 | Method for recycling machine-sealed water in polyformaldehyde device |
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