CN113413930A - Long-distance conveying method and system for condensate fine-processing resin - Google Patents
Long-distance conveying method and system for condensate fine-processing resin Download PDFInfo
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- CN113413930A CN113413930A CN202110688291.8A CN202110688291A CN113413930A CN 113413930 A CN113413930 A CN 113413930A CN 202110688291 A CN202110688291 A CN 202110688291A CN 113413930 A CN113413930 A CN 113413930A
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- resin
- compressed air
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- flushing water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/60—Cleaning or rinsing ion-exchange beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
- B01J47/04—Mixed-bed processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/30—Conveying materials in bulk through pipes or tubes by liquid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
Abstract
The invention discloses a method and a system for long-distance conveying of condensate fine-processing resin, which comprises the following steps: the method and the system can effectively solve the problems of pipeline blockage and serious resin abrasion in long-distance resin transmission.
Description
Technical Field
The invention relates to a method and a system for conveying resin, in particular to a method and a system for long-distance conveying of condensate fine-processing resin.
Background
The chemical design standard suggests that the resin conveying pipeline is not suitable for exceeding 200m, and the problems of conveying pipeline blockage, serious resin abrasion and the like caused by overlong conveying distance are prevented. Therefore, most power plant condensate polishing systems have a regeneration room near the high-speed mixing bed. In consideration of the safety problem of acid and alkali, the acid and alkali regeneration system of the fine treatment resin and the acid and alkali regeneration system of the boiler make-up water resin must be separately arranged, and the corresponding neutralization pond is also separately arranged. The acid-base metering system for regenerating the water resin for the actual boiler is the same as the acid-base metering system for regenerating the refined resin, so that the acid-base metering system can be completely used in common theoretically and is mainly limited by the conveying distance of the resin.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method and a system for long-distance resin conveying through condensate polishing, which can effectively solve the problems of pipeline blockage and serious resin abrasion in long-distance resin conveying.
In order to achieve the purpose, the method for long-distance conveying of the condensate polishing resin comprises the following steps:
the resin to be conveyed is conveyed by adopting a hydraulic conveying mode, then conveyed by adopting a pneumatic conveying mode, and then conveyed by adopting a hydraulic and pneumatic mixing mode.
The utility model provides a system for condensate polishing resin long distance transport, includes resin conveying pipeline, sparge water device and compressed air system, wherein, the export of sparge water device, compressed air system's export and resin conveying pipeline's entry all are linked together with resin source node, and conveying pipeline's export is linked together with resin destination node.
And the resin conveying pipeline is provided with a pipeline sight glass monitoring device.
The outlet of the flushing water device is provided with a first valve, and the outlet of the compressed air system is provided with a second valve.
When the system works, the first valve is opened, the second valve is closed, the flushing water output by the flushing water device serves as power to convey resin in the resin source node, then the first valve is closed, the second valve is opened, the compressed air output by the compressed air system serves as power to convey the resin in the resin source node, then the first valve is opened, and the flushing water output by the flushing water device and the compressed air output by the compressed air system serve as power to convey the resin in the resin source node.
The output flushing water flow of the flushing water device is 30-40m3The water pressure is 0.3-0.4 MPa.
The air pressure of the compressed air output by the compressed air system is 0.3-0.4 MPa.
The resin conveying pipeline is made of stainless steel, the inner diameter of the resin conveying pipeline is 80mm, and the radius of an upper elbow of the resin conveying pipeline is 300 mm.
And the outer wall of the resin conveying pipeline is provided with an anti-freezing device.
The invention has the following beneficial effects:
when the method and the system for long-distance conveying of the condensate fine-processing resin are specifically operated, the resin to be conveyed is conveyed in a hydraulic conveying mode, then in a pneumatic conveying mode, and then in a hydraulic and pneumatic mixing mode, so that long-distance conveying of the resin is realized.
Furthermore, the radius of the elbow on the resin conveying pipeline is 300mm, namely a large elbow is adopted, so that the blockage and the resin abrasion can be relieved to a certain degree.
Furthermore, the outer wall of the resin conveying pipeline is provided with an anti-freezing device, so that the problems of frost cracking of the pipeline, freezing and crushing of resin and the like in cold regions can be effectively solved.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Wherein, 1 is a high-speed mixing bed, 2 is a high-tower separation tower, 3 is a resin mixing tank, and 4 is a pipeline sight glass monitoring device.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Example one
The method for long-distance conveying of the condensate fine-processing resin comprises the following steps:
the resin to be conveyed is conveyed by adopting a hydraulic conveying mode, then conveyed by adopting a pneumatic conveying mode, and then conveyed by adopting a hydraulic and pneumatic mixing mode.
Example two
The invention relates to a long-distance resin conveying system for condensate fine treatment, which comprises a resin conveying pipeline, a flushing water device and a compressed air system, wherein an outlet of the flushing water device, an outlet of the compressed air system and an inlet of the resin conveying pipeline are communicated with a resin source node, an outlet of the conveying pipeline is communicated with a resin destination node, a pipeline peep sight monitoring device 4 is arranged on the resin conveying pipeline, a first valve is arranged at an outlet of the flushing water device, a second valve is arranged at an outlet of the compressed air system, and anti-freezing equipment is arranged on the outer wall of the resin conveying pipeline.
When the device works, the first valve is opened, the second valve is closed, flushing water output by the flushing water device serves as power to convey resin in the resin source node, then the first valve is closed, the second valve is opened, compressed air output by the compressed air system serves as power to convey resin in the resin source node, then the first valve is opened, flushing water output by the flushing water device and compressed air output by the compressed air system serve as power to convey resin in the resin source node, and flushing water flow output by the flushing water device is 30-40m3The water pressure is 0.3-0.4 MPa; compressed air system outputThe air pressure of the compressed air is 0.3-0.4 MPa; the resin conveying pipeline is made of stainless steel, the inner diameter of the resin conveying pipeline is 80mm, and the radius of an upper elbow of the resin conveying pipeline is 300 mm.
EXAMPLE III
Referring to fig. 1, there are two transfers of resin in this embodiment, the first: namely, when the resin in the high-speed mixed bed 1 fails, the high-speed mixed bed 1 is used as a resin source node, the high-tower separation tower 2 is used as a resin destination node for resin conveying, and the second time: that is, after the resin is regenerated and mixed, the resin mixing tank 3 is used as a resin source node, and the high-speed mixing bed 1 is used as a resin destination node to convey the resin.
In addition, the resin conveyance condition is observed by the tube scope monitoring device 4 during the conveyance.
The invention is suitable for the condition that the regeneration equipment is far away from the ion exchanger when the condensate fine treatment resin of the power plant and the boiler make-up water resin regenerate a common acid-base metering system, and can be used for an active unit and a newly-built unit.
The invention solves the problem of long-distance resin conveying, realizes that the boiler feedwater system and the fine treatment system share one acid-base metering system, reduces the equipment quantity, the occupied area and the engineering investment, and reduces the risk points of hazardous chemicals.
Claims (9)
1. The long-distance conveying method of the condensate polishing resin is characterized by comprising the following steps of:
the resin to be conveyed is conveyed by adopting a hydraulic conveying mode, then conveyed by adopting a pneumatic conveying mode, and then conveyed by adopting a hydraulic and pneumatic mixing mode.
2. The long-distance conveying system for the condensate fine treatment resin is characterized by comprising a resin conveying pipeline, a flushing water device and a compressed air system, wherein an outlet of the flushing water device, an outlet of the compressed air system and an inlet of the resin conveying pipeline are communicated with a resin source node, and an outlet of the conveying pipeline is communicated with a resin destination node.
3. The system for long-distance conveying of condensate polishing resin according to claim 2, wherein a pipeline sight glass monitoring device (4) is arranged on the resin conveying pipeline.
4. The condensate polishing resin long distance transport system according to claim 2, wherein a first valve is provided at the outlet of the flushing water device and a second valve is provided at the outlet of the compressed air system.
5. A condensate polishing resin long distance transport system as claimed in claim 2, wherein in operation, the first valve is opened and the second valve is closed, the resin in the resin source node is transported by using the flushing water from the flushing water device as power, the first valve is closed and the second valve is opened, the resin in the resin source node is transported by using the compressed air from the compressed air system as power, and then the first valve is opened, and the resin in the resin source node is transported by using the flushing water from the flushing water device and the compressed air from the compressed air system as power.
6. The condensate polishing resin long distance transport system of claim 2, wherein the output of the rinsing water device has a rinsing water flow rate of 30-40m3The water pressure is 0.3-0.4 MPa.
7. The condensate polishing resin long distance transport system of claim 2, wherein the compressed air system outputs compressed air with pressure of 0.3-0.4 MPa.
8. The condensate polishing resin long distance transport system of claim 2, wherein the resin transport pipe is made of stainless steel, the inner diameter of the resin transport pipe is 80mm, and the radius of the elbow on the resin transport pipe is 300 mm.
9. The condensate polishing resin long distance transport system according to claim 2, wherein the outer wall of the resin transport pipe is provided with an anti-freezing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688291.8A CN113413930A (en) | 2021-06-21 | 2021-06-21 | Long-distance conveying method and system for condensate fine-processing resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688291.8A CN113413930A (en) | 2021-06-21 | 2021-06-21 | Long-distance conveying method and system for condensate fine-processing resin |
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| Publication Number | Publication Date |
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| CN113413930A true CN113413930A (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110688291.8A Pending CN113413930A (en) | 2021-06-21 | 2021-06-21 | Long-distance conveying method and system for condensate fine-processing resin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960970A (en) * | 2021-10-27 | 2022-01-21 | 西安热工研究院有限公司 | Intelligent monitoring system and method for resin conveying process |
| CN113992895A (en) * | 2021-10-27 | 2022-01-28 | 西安热工研究院有限公司 | Resin conveying remote monitoring system and method of condensate polishing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780422A (en) * | 2010-03-05 | 2010-07-21 | 南京中电联环保股份有限公司 | Four-tower mixed ion exchanger resin external separation regeneration method |
| CN103693713A (en) * | 2013-12-24 | 2014-04-02 | 华电国际电力股份有限公司山东分公司 | Condensate fine treatment high-temperature running system having heat supply and pure condensation modes |
| CN105413762A (en) * | 2015-12-15 | 2016-03-23 | 中国大唐集团科学技术研究院有限公司华东分公司 | Output system and method for resin in cation regeneration tower of condensate polishing regeneration system |
| CN105948172A (en) * | 2016-06-07 | 2016-09-21 | 神华集团有限责任公司 | Ion exchange device and condensed water fine processing equipment |
| CN109000217A (en) * | 2018-09-26 | 2018-12-14 | 西安热工研究院有限公司 | A kind of boiler water feeding ammonification complete alternation system and method |
-
2021
- 2021-06-21 CN CN202110688291.8A patent/CN113413930A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780422A (en) * | 2010-03-05 | 2010-07-21 | 南京中电联环保股份有限公司 | Four-tower mixed ion exchanger resin external separation regeneration method |
| CN103693713A (en) * | 2013-12-24 | 2014-04-02 | 华电国际电力股份有限公司山东分公司 | Condensate fine treatment high-temperature running system having heat supply and pure condensation modes |
| CN105413762A (en) * | 2015-12-15 | 2016-03-23 | 中国大唐集团科学技术研究院有限公司华东分公司 | Output system and method for resin in cation regeneration tower of condensate polishing regeneration system |
| CN105948172A (en) * | 2016-06-07 | 2016-09-21 | 神华集团有限责任公司 | Ion exchange device and condensed water fine processing equipment |
| CN109000217A (en) * | 2018-09-26 | 2018-12-14 | 西安热工研究院有限公司 | A kind of boiler water feeding ammonification complete alternation system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960970A (en) * | 2021-10-27 | 2022-01-21 | 西安热工研究院有限公司 | Intelligent monitoring system and method for resin conveying process |
| CN113992895A (en) * | 2021-10-27 | 2022-01-28 | 西安热工研究院有限公司 | Resin conveying remote monitoring system and method of condensate polishing system |
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