CN107121303B - On-line resin sampling device and method - Google Patents
On-line resin sampling device and method Download PDFInfo
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- CN107121303B CN107121303B CN201710469612.9A CN201710469612A CN107121303B CN 107121303 B CN107121303 B CN 107121303B CN 201710469612 A CN201710469612 A CN 201710469612A CN 107121303 B CN107121303 B CN 107121303B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model provides an on-line resin sampling device, comprising: one side of the resin separation tower is connected with the high-speed mixed bed through a first conveying pipe, a branch sampling pipe is arranged on the first conveying pipe, and a first sampling valve and a third sampling valve are arranged on the branch sampling pipe; the negative regeneration tower is positioned at the other side of the resin separation tower, and the negative regeneration tower is connected with the resin separation tower through a second conveying pipe provided with a second sampling valve; the positive regeneration tower is positioned at one side of the negative regeneration tower far away from the resin separation tower, the positive regeneration tower is respectively connected with the resin separation tower and the negative regeneration tower through branch sampling pipes, and the third sampling valve is positioned between the negative regeneration tower and the positive regeneration tower; the utility model also provides an online resin sampling method adopting the online resin sampling device, and the sampling of the resin in each stage is realized through the first sampling valve, the second sampling valve and the third sampling valve. According to the utility model, resin sampling can be realized without opening a manhole door of the tank body or the bed body, and the operation is convenient.
Description
Technical Field
The utility model relates to the field of power plants or chemical equipment, in particular to an online resin sampling device and an online resin sampling method.
Background
The reliable operation of the condensate polishing system plays an important role in guaranteeing the water vapor quality of the thermodynamic system of the unit, in particular to a supercritical direct current unit, which has higher requirements on the water vapor quality. The high-speed mixed bed water treatment process is a common water treatment process mode for condensate polishing. The high-speed mixed bed mainly depends on the ion exchange capacity and the filtering effect of the anion-cation mixed resin for treating water quality. When the mixed bed is operated for a period of time, the mixed resin is invalid and needs to be separated and regenerated, and the regenerated level and the separation degree of the positive resin and the negative resin are important factors influencing the operation period and the output of the high-speed mixed bed condensate polishing system. And the performance of the resin is reduced to different degrees with the increase of the running time of the mixed bed. Therefore, the regenerated resin needs to be sampled and tested for the degree of regeneration, the degree of separation and other performance indexes after the mixed resin of the negative and the positive is operated for a certain time.
Currently, a sampler is specified in the national standard GB/T5475-2013, "ion exchange resin sampling method", as shown in fig. 1A and 1B, but the sampler is only suitable for wet resin in an original packaging container of a resin manufacturing plant, and is only suitable for sampling resin with a resin layer height of about 500mm, and the resin layer height in a condensate polishing system bed or tank is about 2-4 meters, so that the sampler has the following disadvantages: 1) Only static wet resin can be taken and the sampling height is limited; 2) Sampling can only be performed on flexible packages into which the sampler can be inserted; 3) The sampling can be performed only on different sections, and continuous sampling can not be performed; 4) The extracted sample is easy to spill, and the representativeness of the sample is affected. There is no relevant standard on how the resin run in the bed or tank is sampled.
The prior art discloses a bed or tank resin sampler, see chinese patent No. CN103439148A, as shown in fig. 2, which uses a suction structure to complete resin sampling, and mainly comprises a pressure reducing valve 1, a compressed air change-over switch 2, a scale rod 3, a working cylinder 4, a resin absorber 5, a resin container 6, a resin exhaust inlet 7, a resin exhaust inlet 8, a resin absorber exhaust outlet 9 and a resin exhaust inlet 10, wherein the working cylinder 4 and the resin absorber 5 are integrally connected by bolts, the scale rod 3 is connected to the upper part of the working cylinder 4, scales are marked on the scale rod 3, the height of the resin sampling position can be marked, and a piston can be vertically movably arranged through the working cylinder 4 and the resin absorber 5. The resin absorber 5 sucks and discharges the resin while the piston moves up and down, and finally, collects the resin by the resin container 6. However, when the resin sampling device is used for the resin sampling test, a tank body or a bed body manhole door needs to be opened, three to four persons are required to cooperatively operate, the working strength is high, and the labor is consumed.
In the prior art, there is also a resin sampler, see chinese patent No. CN204165791U, which, as shown in fig. 3, comprises an air pump 21, a long rod 23, a pressure reducing valve 24, a switch 25, a container 26, and the like, and uses the air pump 21 as power, and uses the long rod 23 to insert into a bed or a tank resin layer for sampling resins at different positions. However, when the resin sampling test is performed by using the resin sampler, it was found that the air pump 21 is easily clogged with resin, and the pipeline needs to be frequently flushed with desalted water, and the manhole door of the tank or the bed needs to be opened, so that the operation amount is large, and time and labor are wasted.
In view of the above problems of the prior art, the present inventors have combined many years of design and experience in the related manufacturing field to provide an on-line resin sampling device and a sampling method, which overcome the above drawbacks.
Disclosure of Invention
The utility model aims to provide an online resin sampling device which can realize resin sampling without opening a tank body or a bed body manhole door and is convenient to operate.
Another object of the present utility model is to provide an online resin sampling method, which can realize resin sampling without opening a manhole door of a tank or a bed, and is convenient to operate.
The above object of the present utility model can be achieved by the following technical solutions:
the utility model provides an on-line resin sampling device, which comprises: one side of the resin separation tower is connected with the high-speed mixed bed through a first conveying pipe, a branch sampling pipe connected with the drainage ditch is arranged on the first conveying pipe, and a first sampling valve and a third sampling valve are arranged on the branch sampling pipe; the negative regeneration tower is positioned at the other side of the resin separation tower, the negative regeneration tower is connected with the resin separation tower through a second conveying pipe, and a second sampling valve is arranged on the second conveying pipe; the positive regeneration tower is positioned at one side of the negative regeneration tower, which is far away from the resin separation tower, the positive regeneration tower is respectively connected with the resin separation tower and the negative regeneration tower through the branch sampling pipe, and the third sampling valve is positioned between the negative regeneration tower and the positive regeneration tower.
In a preferred embodiment, the first transfer pipe is provided with a first valve, and the first valve is located on a side of a junction between the branch sampling pipe and the first transfer pipe, which is close to the resin separation column.
In a preferred embodiment, a second on-off valve is provided on the second transfer pipe, and the second on-off valve is located between the resin separation column and the second sampling valve.
In a preferred embodiment, the bottom end of the resin separation tower is connected with the branch sampling pipe through a third conveying pipe, a third opening and closing valve is arranged on the third conveying pipe, and the first sampling valve is positioned at one side, far away from the negative regeneration tower, of a joint of the third conveying pipe and the branch sampling pipe.
In a preferred embodiment, the bottom end of the female regeneration tower is connected with the branch sampling pipe through a fourth conveying pipe, and a fourth closing valve is arranged on the fourth conveying pipe.
In a preferred embodiment, the bottom end of the male regeneration tower is connected with the branch sampling pipe through a fifth conveying pipe, a fifth opening and closing valve is arranged on the fifth conveying pipe, and the third sampling valve is located between the joint of the fourth conveying pipe and the branch sampling pipe and the joint of the fifth conveying pipe and the branch sampling pipe.
In a preferred embodiment, the first, second and third sampling valves are each electrically connected to a controller.
The utility model also provides an online resin sampling method, wherein the online resin sampling method adopts the online resin sampling device, and the online resin sampling method comprises the following steps: step a: the high-speed mixed bed conveys resin to the resin separation tower through a first conveying pipe, and a first sampling valve is opened for sampling; step b: separating the resin into negative resin and positive resin by the resin separation tower, conveying the negative resin to the negative regeneration tower by a second conveying pipe, starting a second sampling valve to sample, conveying the positive resin to the positive regeneration tower by a branch sampling pipe, and starting a third sampling valve to sample; step c: after the positive resin is regenerated in the positive regeneration tower, sampling is carried out through a third sampling valve on the branch sampling pipe; and after the negative resin is regenerated in the negative regeneration tower, sampling is performed through a third sampling valve on the branch sampling pipe.
In a preferred embodiment, in the step c, when the regenerated resin is transferred to the resin separation tower through the branch sampling pipe, the third sampling valve is opened to sample, and when the regenerated resin is transferred to the cation regeneration tower through the branch sampling pipe, the third sampling valve is opened to sample.
In a preferred embodiment, the method further comprises a step d after the step c, wherein regenerated resin is formed in the cation regeneration tower by regenerated anion resin and regenerated cation resin, the regenerated resin is conveyed to the high-speed mixed bed through the branch sampling pipe, and a third sampling valve is opened for sampling.
The online resin sampling device and the online resin sampling method have the characteristics and advantages that:
1. according to the utility model, the branch sampling pipe with the first sampling valve and the third sampling valve is arranged on the first conveying pipe, and the second conveying pipe with the second sampling valve is arranged between the resin separating tower and the negative regeneration tower, so that no need of setting up a scaffold by an maintainer, no need of opening a manhole door of a condensate polishing tank body or a bed body, and the purpose of sampling at any time in the resin conveying process can be realized, thus not only avoiding pollution to the resin, but also obtaining representative resin, facilitating the detection and analysis of various performance indexes of the resin, being more beneficial to solving the problem, and also no need of handling working tickets by the maintainer, being simple and quick to operate, saving the cost and saving a large amount of labor force.
2. According to the utility model, the resin at different positions of the tank body or the bed body is sampled at different times in the resin transmission process, so that the analysis of various indexes of the resin is realized, the running state and performance of the resin are mastered, a foundation is laid for the deep research on the regeneration and running condition of the condensed water high-speed mixed bed ion exchange resin, the deep optimization of a condensed water fine treatment system is facilitated, the water vapor quality of a power plant unit is improved, the corrosion of a thermodynamic system is reduced, and the economic and safe operation of the unit is ensured.
3. The utility model fills the technical blank of on-line resin sampling in the power plant fine treatment bed body or the regeneration tank body, can meet the actual requirement of resin sampling in the power plant bed body or the regeneration tank body, plays a key role in the evaluation of a fine treatment system and the diagnosis of problems, and has good market popularization prospect and higher practical application value in the research related to the power plant and the power plant.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1A is a schematic diagram of a conventional sampler;
FIG. 1B is a schematic cross-sectional view taken along section line A-A in FIG. 1A;
FIG. 2 is a schematic diagram of a conventional resin sampler;
FIG. 3 is a schematic diagram of another conventional resin sampler;
FIG. 4 is a schematic diagram of an on-line resin sampling device according to the present utility model.
Reference numerals illustrate:
Prior Art
1 pressure reducing valve, 2 compressed air change-over switch, 3 scale rod, 4 working cylinder, 5 resin absorber, 6 resin container, 7 rows of resin air inlets, 8 resin absorbing air inlets, 9 resin absorber air outlets, 10 resin absorbing and discharging openings, 21 air pump, 23 long rod, 24 pressure reducing valve, 25 switch, 26 container.
The utility model is that
The device comprises a resin separation tower 101, a female regeneration tower 102, a male regeneration tower 103 and a branch sampling pipe 104, a first conveying pipe 105, a second conveying pipe 106, a third conveying pipe 107, a fourth conveying pipe 108, a fifth conveying pipe 109, a first sampling valve 110, a second sampling valve 111, a third sampling valve 112, a first opening and closing valve 113, a second opening and closing valve 114, a third opening and closing valve 115, a fourth closing valve 116 and a fifth opening and closing valve 117.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Unless the directions are defined individually, the directions of up, down, left, right, etc. referred to herein are all directions of up, down, left, right, etc. in fig. 4 shown in the present utility model, and are described herein together.
Embodiment one:
as shown in fig. 4, the present utility model provides an on-line resin sampling apparatus, comprising: one side of the resin separation tower 101 is connected with a high-speed mixed bed through a first conveying pipe 105, a branch sampling pipe 104 connected with a drainage ditch is arranged on the first conveying pipe 105, and a first sampling valve 110 and a third sampling valve 112 are arranged on the branch sampling pipe 104; a female regeneration tower 102, which is located at the other side of the resin separation tower 101, wherein the female regeneration tower 102 is connected with the resin separation tower 101 through a second conveying pipe 106, and a second sampling valve 111 is arranged on the second conveying pipe 106; a male regeneration tower 103 located at a side of the female regeneration tower 102 away from the resin separation tower 101, the male regeneration tower 103 being connected to the resin separation tower 101 and the female regeneration tower 102, respectively, through the branch sampling pipe 104, and the third sampling valve 112 being located between the female regeneration tower 102 and the male regeneration tower 103.
The high-speed mixed bed (not shown in the figure), the resin separation tower 101, the female regeneration tower 102, the male regeneration tower 103 and the drainage ditch are sequentially arranged at intervals from the left-right direction shown in fig. 4, and the high-speed mixed bed, the resin separation tower 101, the female regeneration tower 102 and the male regeneration tower 103 are all known technologies in the prior art, for example, are applied to a condensate polishing regeneration system, and are not described herein.
Further, the first transfer pipe 105 is provided with a first on-off valve 113, and the first on-off valve 113 is located on a side of a junction between the branch sampling pipe 104 and the first transfer pipe 105 near the resin separation column 101, that is, on a right side of a junction between the branch sampling pipe 104 and the first transfer pipe 105 shown in fig. 4, and the first on-off valve 113 is opened when the resin separation column 101 is transferred to the high-speed mixed bed, and the first on-off valve 113 is closed when the regenerated resin is transferred to the high-speed mixed bed by the cation-exchange column 103.
Further, a second valve 114 is provided in the second transfer pipe 106, and the second valve 114 is located between the resin separation column 101 and the second sampling valve 111, and after the resin separation column 101 separates the resin, the second valve 114 is opened to control transfer of the resin to the regeneration column 102.
Further, the bottom end of the resin separation tower 101 is connected to the branch sampling pipe 104 through a third conveying pipe 107, a third opening/closing valve 115 is provided on the third conveying pipe 107, the first sampling valve 110 is located at a side of a junction between the third conveying pipe 107 and the branch sampling pipe 104, which is far away from the female regeneration tower 102, that is, at a left side of a junction between the third conveying pipe 107 and the branch sampling pipe 104 shown in fig. 4, when the separated male resin in the resin separation tower 101 needs to be conveyed to the male regeneration tower 103, or the regenerated male resin in the male regeneration tower 103 needs to be conveyed to the resin separation tower 101, the third opening/closing valve 115 is opened, and the other times are closed.
Further, the bottom end of the female regeneration tower 102 is connected to the branch sampling pipe 104 through a fourth conveying pipe 108, and a fourth closing valve 116 is provided on the fourth conveying pipe 108, and when the female resin regenerated in the female regeneration tower 102 is conveyed to the male regeneration tower 103, the fourth closing valve 116 is opened.
Further, the bottom end of the cation exchange column 103 is connected to the branch sampling pipe 104 via a fifth pipe 109, a fifth valve 117 is provided on the fifth pipe 109, the third sampling valve 112 is located between the junction between the fourth pipe 108 and the branch sampling pipe 104 and the junction between the fifth pipe 109 and the branch sampling pipe 104, and when resin is required to be fed into or discharged from the cation exchange column 103, the fifth valve 117 is opened.
Preferably, the first sampling valve 110, the second sampling valve 111 and the third sampling valve 112 are respectively electrically connected with a controller, wherein the controller can be a computer in the prior art, so that the opening and closing of the valves are controlled remotely, time and labor are saved, and preferably, the first sampling valve 110, the second sampling valve 111 and the third sampling valve 112 are all valves with a nominal diameter of 20mm, and of course, other suitable sizes can be set according to the requirement, and the utility model is not limited herein.
The first conveying pipe 105 connected between the high-speed mixed bed and the resin separation tower 101 is used for conveying the resin in the failed high-speed mixed bed into the resin separation tower 101 or conveying the regenerated resin back into the high-speed mixed bed; the second conveying pipe 106 between the resin separation tower 101 and the anion regeneration tower 102 is used for conveying the anion resin separated by the resin separation tower 101 to the anion regeneration tower 102, and is also used for installing a second sampling valve 111, so that the anion resin separated by the resin separation tower 101 is conveniently sampled, and the failure degree of the anion resin and the content of the cation resin in the anion resin are detected; the branch sampling pipe 104 extends downwards from the first conveying pipe 105 and then extends rightwards, so that the branch sampling pipe is conveniently connected with a third conveying pipe 107 at the bottom end of the resin separating tower 101, a fourth conveying pipe 108 at the bottom end of the female regeneration tower 102 and a fifth conveying pipe 109 at the bottom end of the male regeneration tower 103, and is convenient for installing a first sampling valve 110 and a third sampling valve 112.
The first sampling valve 110 of the utility model can sample the resin entering the first conveying pipe 105 from the failed high-speed mixed bed to analyze the failure degree of the resin and evaluate whether the high-speed mixed bed is uniform, and can sample the regenerated resin when the regenerated resin is conveyed to the high-speed mixed bed from the positive regeneration tower 103 through the branch sampling pipe 104 so as to detect the volume ratio of the negative resin and the positive resin and further evaluate the uniformity degree of the regenerated resin; the third sampling valve 112 can sample the cation resin separated from the resin separation column 101 when the cation resin is fed into the cation regeneration column 103 through the branch sampling pipe 104 to detect the failure degree of the high-speed mixed bed cation resin and the anion resin content in the cation resin, can sample the regenerated anion resin when the anion regeneration column 102 is fed into the cation regeneration column 103 through the branch sampling pipe 104 to detect the regeneration degree of the anion resin, and can sample the regenerated cation resin when the cation resin is fed into the resin separation column 101 through the branch sampling pipe 104 from the cation regeneration column 103 to detect the regeneration degree of the cation resin.
According to the utility model, a scaffold is not required to be erected by an maintainer, namely, the manhole door of the condensate polishing tank body or the bed body is not required to be opened, sampling at any time in the resin transmission process is realized, the maintainer is not required to transact working tickets, the three or five times of sampling are required according to the resin transmission time, the number of samples can be selected according to the requirement, and finally, the samples sampled at each position for multiple times can be mixed and then used as a total sample to be stored and then delivered to an assay personnel, so that the operation is simple and convenient, and time and labor are saved.
Embodiment two:
the utility model also provides an online resin sampling method, wherein the online resin sampling method adopts the online resin sampling device, and the online resin sampling device in the embodiment has the same structure, working principle and beneficial effects as those of the first embodiment, and is not repeated here. The on-line resin sampling method comprises the following steps:
step a: the high-speed mixed bed conveys resin to the resin separation tower 101 through the first conveying pipe 105, the first sampling valve 110 is opened to sample, analysis of the resin conveyed to the resin separation tower 101 by the failed high-speed mixed bed is realized, so that the failure degree of the resin is analyzed, and whether the resin of the high-speed mixed bed is uniform is further evaluated;
step b: the resin is separated into negative resin and positive resin by the resin separation tower 101, the negative resin is conveyed to the negative regeneration tower 102 by the second conveying pipe 106, the second sampling valve 111 is opened for sampling to detect the failure degree of the negative resin of the high-speed mixed bed and the content of the positive resin in the negative resin, meanwhile, the positive resin is conveyed to the positive regeneration tower 103 by the branch sampling pipe 104, and the third sampling valve 112 is opened for sampling to detect the failure degree of the positive resin of the high-speed mixed bed and the content of the negative resin in the positive resin;
step c: after the cation resin is regenerated in the cation regeneration tower 103, sampling is performed through a third sampling valve 112 on the branch sampling pipe 104 so as to detect the regeneration degree of the cation resin; after the anion resin is regenerated in the anion regeneration tower 102, a sample is taken through a third sampling valve 112 on the branch sampling pipe 104 to detect the degree of regeneration of the anion resin.
Further, in the step c, when the fifth and third on-off valves 117 and 115 are opened and the regenerated resin is transferred to the resin separation column 101 through the branch sampling pipe 104, the third sampling valve 112 is opened to sample, the fourth and fifth on-off valves 116 and 117 are opened, and when the regenerated resin is transferred to the cation regeneration column 103 through the branch sampling pipe 104, the third sampling valve 112 is opened to sample.
Further, step d is further included after step c, in which regenerated resin and regenerated resin are formed in the cation regeneration tower 103, a fifth valve 117 is opened, the regenerated resin is conveyed to the high-speed mixing bed through the branch sampling pipe 104, and a third sampling valve 112 is opened to sample, so as to detect the volume ratio of the anion resin to the cation resin, and evaluate the uniformity of the regenerated resin mixing.
The online resin sampling device and the online resin sampling method have the characteristics and advantages that:
1. according to the utility model, the branch sampling pipe 104 with the first sampling valve 110 and the third sampling valve 112 is arranged on the first conveying pipe 105, and the second conveying pipe 106 with the second sampling valve 111 is arranged between the resin separating tower 101 and the negative regeneration tower 102, so that no need of setting up a scaffold by an maintainer, no need of opening a manhole door of a condensate polishing tank body or a bed body, and the purpose of sampling at any time in the resin conveying process can be realized, pollution to the resin can be avoided, the representative resin can be obtained, the detection and analysis of various performance indexes of the resin are facilitated, the problem can be solved more easily, no need of handling a work ticket by the maintainer is avoided, the operation is simple and quick, the cost is saved, and a large amount of labor force is saved.
2. According to the utility model, the resin at different positions of the tank body or the bed body is sampled at different times in the resin transmission process, so that the analysis of various indexes of the resin is realized, the running state and performance of the resin are mastered, a foundation is laid for the deep research on the regeneration and running condition of the condensed water high-speed mixed bed ion exchange resin, the deep optimization of a condensed water fine treatment system is facilitated, the water vapor quality of a power plant unit is improved, the corrosion of a thermodynamic system is reduced, and the economic and safe operation of the unit is ensured.
3. The utility model fills the technical blank of on-line resin sampling in the power plant fine treatment bed body or the regeneration tank body, can meet the actual requirement of resin sampling in the power plant bed body or the regeneration tank body, plays a key role in the evaluation of a fine treatment system and the diagnosis of problems, and has good market popularization prospect and higher practical application value in the research related to the power plant and the power plant.
The present utility model is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any person skilled in the art can make some changes or modifications to the equivalent embodiments without departing from the scope of the technical solution of the present utility model, but any simple modification, equivalent changes and modifications to the above-mentioned embodiments according to the technical substance of the present utility model are still within the scope of the technical solution of the present utility model.
Claims (10)
1. An in-line resin sampling device, comprising:
one side of the resin separation tower is connected with the high-speed mixed bed through a first conveying pipe, a branch sampling pipe connected with the drainage ditch is arranged on the first conveying pipe, and a first sampling valve and a third sampling valve are arranged on the branch sampling pipe;
the negative regeneration tower is positioned at the other side of the resin separation tower, the negative regeneration tower is connected with the resin separation tower through a second conveying pipe, and a second sampling valve is arranged on the second conveying pipe;
the positive regeneration tower is positioned at one side of the negative regeneration tower, which is far away from the resin separation tower, the positive regeneration tower is respectively connected with the resin separation tower and the negative regeneration tower through the branch sampling pipe, and the third sampling valve is positioned between the negative regeneration tower and the positive regeneration tower.
2. The on-line resin sampling apparatus according to claim 1, wherein a first on-off valve is provided on the first transfer pipe, and the first on-off valve is located on a side of a junction between the branch sampling pipe and the first transfer pipe, which is close to the resin separation column.
3. The on-line resin sampling apparatus according to claim 1, wherein a second on-off valve is provided on the second transport pipe, the second on-off valve being located between the resin separation column and the second sampling valve.
4. The on-line resin sampling device according to claim 1, wherein the bottom end of the resin separation column is connected to the branch sampling tube through a third conveying tube, a third opening and closing valve is arranged on the third conveying tube, and the first sampling valve is located at a side, far away from the negative regeneration column, of a joint of the third conveying tube and the branch sampling tube.
5. The on-line resin sampling device according to claim 1 or 4, wherein the bottom end of the female regenerator is connected to the branched sampling tube via a fourth pipe, and a fourth shut-off valve is provided on the fourth pipe.
6. The on-line resin sampling device according to claim 5, wherein the bottom end of the cation regeneration tower is connected to the branch sampling pipe through a fifth conveying pipe, a fifth opening and closing valve is arranged on the fifth conveying pipe, and the third sampling valve is located between the joint of the fourth conveying pipe and the branch sampling pipe and the joint of the fifth conveying pipe and the branch sampling pipe.
7. The in-line resin sampling device of claim 1, wherein the first, second and third sampling valves are each electrically connected to a controller.
8. An in-line resin sampling method, characterized in that the in-line resin sampling method employs the in-line resin sampling apparatus according to any one of claims 1 to 7, comprising the steps of:
step a: the high-speed mixed bed conveys resin to the resin separation tower through a first conveying pipe, and a first sampling valve is opened for sampling;
step b: separating the resin into negative resin and positive resin by the resin separation tower, conveying the negative resin to the negative regeneration tower by a second conveying pipe, starting a second sampling valve to sample, conveying the positive resin to the positive regeneration tower by a branch sampling pipe, and starting a third sampling valve to sample;
step c: after the positive resin is regenerated in the positive regeneration tower, sampling is carried out through a third sampling valve on the branch sampling pipe; and after the negative resin is regenerated in the negative regeneration tower, sampling is performed through a third sampling valve on the branch sampling pipe.
9. The on-line resin sampling method according to claim 8, wherein in the step c, when the regenerated positive resin is transferred to the resin separation tower through the branch sampling pipe, the third sampling valve is opened to sample, and when the regenerated negative resin is transferred to the positive regeneration tower through the branch sampling pipe, the third sampling valve is opened to sample.
10. The on-line resin sampling method according to claim 9, further comprising a step d of forming a regenerated resin in the cationic regeneration tower from the regenerated anionic resin and the regenerated cationic resin after the step c, transferring the regenerated resin to the high-speed mixing bed through the branched sampling tube, and opening a third sampling valve for sampling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710469612.9A CN107121303B (en) | 2017-06-20 | 2017-06-20 | On-line resin sampling device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710469612.9A CN107121303B (en) | 2017-06-20 | 2017-06-20 | On-line resin sampling device and method |
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| CN107121303A CN107121303A (en) | 2017-09-01 |
| CN107121303B true CN107121303B (en) | 2023-07-28 |
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| CN111036312B (en) * | 2020-01-04 | 2024-01-30 | 西安热工研究院有限公司 | Ion exchange resin regeneration monitoring control system and method |
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| JP3444020B2 (en) * | 1995-04-27 | 2003-09-08 | 栗田工業株式会社 | Automatic sampling device for ion exchange resin |
| JP2005164485A (en) * | 2003-12-04 | 2005-06-23 | Sumitomo Chemical Co Ltd | Sampling system of granular product |
| JP4788509B2 (en) * | 2006-07-18 | 2011-10-05 | 栗田工業株式会社 | Anion exchange resin performance evaluation method |
| CN103439462B (en) * | 2013-08-26 | 2015-11-11 | 国家电网公司 | A kind of power plant condensation water treatment high flow rate mixed bed resin regeneration dynamic monitoring method |
| CN204154538U (en) * | 2014-10-16 | 2015-02-11 | 华伦纳路新材料有限公司 | A kind of reactor plain type sampling apparatus |
| CN105174373B (en) * | 2015-09-23 | 2018-09-14 | 浙江浙能嘉华发电有限公司 | A method of it reducing condensate polishing treatment regenerative system and mixes fat |
| CN106769171B (en) * | 2017-03-22 | 2019-09-13 | 武汉海王新能源工程技术有限公司 | A kind of spent resin sampler |
| CN206847969U (en) * | 2017-06-20 | 2018-01-05 | 宁夏京能宁东发电有限责任公司 | Online resin sampling device |
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2017
- 2017-06-20 CN CN201710469612.9A patent/CN107121303B/en active Active
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