CN202974925U - Dust collecting device for measuring fly ash resistivity - Google Patents
Dust collecting device for measuring fly ash resistivity Download PDFInfo
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- CN202974925U CN202974925U CN 201220688676 CN201220688676U CN202974925U CN 202974925 U CN202974925 U CN 202974925U CN 201220688676 CN201220688676 CN 201220688676 CN 201220688676 U CN201220688676 U CN 201220688676U CN 202974925 U CN202974925 U CN 202974925U
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- dust
- fly ash
- collect plant
- dust collect
- barrel
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Abstract
The utility model discloses a dust collecting device for measuring fly ash resistivity. The device comprises a filter cartridge with a concentric dual-cylinder structure and a pipeline communicated with the inlet of the filter cartridge; the bottom end of the cylinder wall of the inner cylinder of the filter cartridge is provided with an inner electrode, the bottom end of the cylinder wall of the outer cylinder is provided with an external electrode, the inner electrode and the external electrode are opposite to each other and form a measuring area, a channel area is formed between the inlet and the measuring area, a filling structure is arranged in the channel area and is provided with a gas channel, the gas channel is communicated with the inlet and the measuring area, and the flow area of the gas channel is less than that of the pipeline. According to the dust collecting device disclosed by the utility model with the structure, the flow velocity of the dust-containing gas passing through the gas channel is high so that the dust cannot detain at fluid channel, the dust-containing concentration of the dust-containing gas entering the measuring area has small change, the measured resistance value of the dust-containing gas is accurate; and compared with the prior art, the device has the advantages that the accuracy of the resistance value of the dust-containing gas measured by the dust collecting device is high, and furthermore, the accuracy of the obtained fly ash resistance value is high.
Description
Technical field
The utility model relates to the electric precipitator technical field, particularly relates to a kind of dust collect plant for measuring fly ash resistivity.
Background technology
Fly ash resistivity is the resistance value of unit area, unit thickness flyash, and Chang Yiqi resistivity represents.
At present, concentric ring is adopted in the measurement of the fly ash resistivity value of dusty gas usually, the structure of its dust collect plant as shown in Figure 1, Fig. 1 is a kind of typical structural representation that is used for measuring the dust collect plant of fly ash resistivity.
Dusty gas is entered the filter cylinder 2' of with one heart two cylindrical structures by the entrance of dust collect plant 1', the bottom of the inner cylinder sidewall of filter cylinder 2' arranges interior electrode 3', and the bottom of the out cylinder sidewall of filter cylinder 2' arranges external electrode 4'.Dusty gas between interior electrode 3' and external electrode 4' by the time, dusty gas is applied voltage, measure the electric current flow through dusty gas, can calculate the resistance value of dusty gas, further calculating can draw the fly ash resistivity value of this dusty gas.
The physical dimension of the filter cylinder 2' of dust collect plant 1' is certain, and the zone between interior electrode 3' and external electrode 4' is certain; The resistance value of dusty gas will have close relationship with the dust content of the dusty gas that passes through measurement zone.
The cross-sectional area of filter cylinder 2' is greater than the cross-sectional area of the pipeline that is connected with filter cylinder 2', when measuring the resistance of dusty gas, when dusty gas enters filter cylinder 2', flow velocity will reduce, to there be dust 5' to be deposited in channel region in dusty gas or stick on the barrel of filter cylinder 2', will reduce the dust content of dusty gas; Measurement zone is positioned at filter cylinder 2' bottom, when dusty gas arrives measurement zone, its dust content changes, the resistance value that records is the resistance value after the dust content of dusty gas changes, the error of the resistance value of the dusty gas of the former dust content that obtains with hope is larger, and the error of the fly ash resistivity that further obtains is also larger.
Therefore, how improving the accuracy of dusty gas fly ash resistivity, is that those skilled in the art are badly in need of the technical matters that solves at present.
The utility model content
The purpose of this utility model is to provide a kind of dust collect plant for measuring fly ash resistivity, and is higher with the accuracy of the fly ash resistivity of the dusty gas of this dust collect plant acquisition.
In order to realize above-mentioned technical purpose, the utility model provides a kind of dust collect plant for measuring fly ash resistivity, comprises the filter cylinder of with one heart two cylindrical structures and the pipeline that is communicated with the entrance of described filter cylinder; The barrel bottom of the inner cylinder of described filter cylinder arranges interior electrode, and the barrel bottom of out cylinder arranges external electrode, and described interior electrode is relative with described external electrode and form measurement zone, is channel region between described entrance and described measurement zone; Described channel region arranges interstitital texture, and described interstitital texture has gas passage, and described gas passage is communicated with described entrance and described measurement zone, and its circulation area is less than the circulation area of described pipeline.
Preferably, described interstitital texture contacts with the barrel of described out cylinder, and described gas passage is between the barrel and described interstitital texture of described inner cylinder.
Preferably, described interstitital texture contacts with the barrel of described inner cylinder, and described gas passage is between the barrel and described interstitital texture of described out cylinder.
Preferably, described interstitital texture comprises the first structure that contacts with the barrel of described inner cylinder, the second structure that contacts with the barrel of described out cylinder, and described gas passage is between described the first structure and described the second structure.
Preferably, also comprise turning-bar, described turning-bar is connected with the outlet of described dust collect plant, changes the circulating direction in described dust collect plant.
Preferably, identical with circulating direction and gravity direction in described particle collector that described turning-bar is connected.
The dust collect plant that is used for measuring fly ash resistivity that the utility model provides comprises the filter cylinder of with one heart two cylindrical structures and the pipeline that is communicated with the entrance of filter cylinder; The barrel bottom of the inner cylinder of filter cylinder arranges interior electrode, and the barrel bottom of out cylinder arranges external electrode, and interior electrode is relative with external electrode and form measurement zone, is channel region between entrance and measurement zone; Channel region arranges interstitital texture, and interstitital texture has gas passage, and gas passage is communicated with entrance and measurement zone, and its circulation area is less than the circulation area of pipeline.
dusty gas enters the entrance of filter cylinder by pipeline, enter measurement zone through gas passage, the flow one of the dusty gas by dust collect plant regularly, due to the circulation area of the gas passage circulation area less than pipeline, dusty gas will be greater than the flow velocity by pipeline by the flow velocity of gas passage, dust in dusty gas can not be trapped in the fluid passage, can enter the measurement zone between interior electrode and external electrode, can not lose dust before entering measurement zone, the variation of dust content of dusty gas that enters measurement zone is very little, the resistance value of the dusty gas that records is more accurate.Compared with prior art, the accuracy of the resistance value of the dusty gas of measuring by this dust collect plant is higher, and the accuracy of the fly ash resistivity value that further obtains is also higher.
Concrete, interstitital texture can contact with the barrel of out cylinder, and gas passage is between the barrel and interstitital texture of inner cylinder; Interstitital texture can also contact with the barrel of inner cylinder, and gas passage is between the barrel and interstitital texture of out cylinder; Interstitital texture can also comprise the first structure that contacts with the barrel of inner cylinder, the second structure that contacts with the barrel of out cylinder, and gas passage is between the first structure and the second structure.
Description of drawings
Fig. 1 is a kind of typical structural representation that is used for the dust collect plant of measurement fly ash resistivity;
Fig. 2 is the structural representation of a kind of embodiment of dust collect plant for measuring fly ash resistivity provided by the utility model;
Fig. 3 is the structural representation of the another kind of embodiment of the dust collect plant for measuring fly ash resistivity provided by the utility model.
Wherein, the Reference numeral in Fig. 1 is as follows:
Dust collect plant 1'; Filter cylinder 2'; Interior electrode 3'; Outer motor 4'; Dust 5';
Reference numeral in Fig. 2 to Fig. 3 is as follows:
Dust collect plant 1; Pipeline 2; Filter cylinder 3; Inner cylinder 31; Out cylinder 32; Interior electrode 41; Outer motor 42; Interstitital texture 5; Gas passage 6; Turning-bar 7.
Embodiment
Core of the present utility model is to provide a kind of dust collect plant of fly ash resistivity, and the accuracy of the fly ash resistivity of the dusty gas that obtains with this dust collect plant is higher.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of a kind of embodiment of dust collect plant for measuring fly ash resistivity provided by the utility model, and Fig. 3 is the structural representation of the another kind of embodiment of the dust collect plant for measuring fly ash resistivity provided by the utility model.
In a kind of concrete embodiment, the utility model provides a kind of dust collect plant 1 for measuring fly ash resistivity, comprises the filter cylinder 3 of with one heart two cylindrical structures and the pipeline 2 that is communicated with the entrance of filter cylinder 3; The barrel bottom of the inner cylinder 31 of filter cylinder 3 arranges interior electrode 41, and the barrel bottom of out cylinder 32 arranges external electrode 42, and interior electrode 41 is relative with external electrode 42 and form measurement zone, is channel region between entrance and measurement zone; Channel region arranges interstitital texture 5, and interstitital texture 5 has gas passage 6, and gas passage 6 is communicated with described entrance and measurement zone, and its circulation area is less than the circulation area of pipeline 2.
In dust collect plant 1 course of work, dusty gas enters the entrance of filter cylinder 3 by pipeline 2, enter measurement zone through gas passage 6, through flowing out from outlet after measurement zone.Can power source be set the path after dusty gas flows out from outlet, vacuum pump for example for dusty gas provides power by dust collect plant 1, makes the flow of the dusty gas by dust collect plant 1 keep certain.
Due to the circulation area of gas passage 6 circulation area less than pipeline 2, flow one timing when the dusty gas that passes through dust collect plant 1, dusty gas passes through the flow velocity of gas passage 6 greater than the flow velocity by pipeline 2, dust in dusty gas can not be trapped in fluid passage 6, all can enter the measurement zone between interior electrode 41 and external electrode 42, can not lose dust before entering measurement zone, the variation of dust content of dusty gas that enters measurement zone is less, and the resistance value of the dusty gas that records is more accurate.Compared with prior art, use the accuracy of resistance value of the dusty gas that this dust collect plant 1 measures higher, further can obtain the higher fly ash resistivity value of accuracy.
During measurement, internally electrode 41 and external electrode 42 apply voltage, simultaneously, measurement by applying voltage divided by by electric current, can calculate the resistance value of dusty gas by the electric current of dusty gas, resistance value by dusty gas is further calculated, and can draw the fly ash resistivity value of this dusty gas.
Concrete, interstitital texture 5 can be combined closely with the barrel of out cylinder 32, the gap certain with the barrel reservation of inner cylinder 31, and this gap is gas passage 6, and gas passage 6 is between the barrel and interstitital texture 5 of inner cylinder 31.
In addition, gas passage 6 can also be between the barrel and interstitital texture 5 of out cylinder 32, and interstitital texture 5 is combined closely with the barrel of inner cylinder 31, the gap certain with the barrel reservation of out cylinder 32.
Certainly, the structure of gas passage 6 not only is confined to above-mentioned situation, can also be positioned at interstitital texture 5 inside.
Concrete, interstitital texture 5 can also comprise the first structure and the second structure, and the barrel of the first structure and inner cylinder 31 closely cooperates, and the barrel of the second structure and out cylinder 32 closely cooperates, keep certain gap between the first structure and the second structure, be gas passage 6.
In above-mentioned embodiment, interstitital texture 5 can be hollow-core construction, and has insulation and resistant to elevated temperatures characteristic.
A kind of preferred embodiment in, dust collect plant also comprises turning-bar 7, turning-bar 7 is connected with the outlet of dust collect plant 1, changes the circulating direction in dust collect plant 1.As shown in Figure 2, the circulating direction in described dust collect plant 1 is horizontal direction, can be so that circulating direction and level in dust collect plant 1 have a certain degree by multi-form turning-bar 7, and concrete angle value can be according to the needs setting of measuring.
As shown in Figure 3, turning-bar 7 can be so that the circulating direction in dust collect plant 1 be identical with gravity direction, the dust collect plant 1 of this structure is when dusty gas passes through, can further utilize the gravity of dust, make dust can not be trapped in gas passage 6, make dusty gas keeping entering smoothly the measurement zone between interior electrode 41 and external electrode 42 in certain density situation, to guarantee the accuracy of measuring.
Above dust collect plant for measuring fly ash resistivity provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (6)
1. a dust collect plant that is used for measuring fly ash resistivity, comprise the filter cylinder (3) of with one heart two cylindrical structures and the pipeline (2) that is communicated with the entrance of described filter cylinder (3); The barrel bottom of the inner cylinder (31) of described filter cylinder (3) arranges interior electrode (41), the barrel bottom of out cylinder (32) arranges external electrode (42), described interior electrode (41) is relative with described external electrode (42) and form measurement zone, is channel region between described entrance and described measurement zone; It is characterized in that, described channel region arranges interstitital texture (5), and described interstitital texture (5) has gas passage (6), and described gas passage (6) is communicated with described entrance and described measurement zone, and its circulation area is less than the circulation area of described pipeline (2).
2. the dust collect plant for measuring fly ash resistivity as claimed in claim 1, it is characterized in that, described interstitital texture (5) contacts with the barrel of described out cylinder (32), and described gas passage (6) is positioned between the barrel and described interstitital texture (5) of described inner cylinder (31).
3. the dust collect plant for measuring fly ash resistivity as claimed in claim 1, it is characterized in that, described interstitital texture (5) contacts with the barrel of described inner cylinder (31), and described gas passage (6) is positioned between the barrel and described interstitital texture (5) of described out cylinder (32).
4. the dust collect plant for measuring fly ash resistivity as claimed in claim 1, it is characterized in that, described interstitital texture (5) comprises the first structure that contacts with the barrel of described inner cylinder (31), the second structure that contacts with the barrel of described out cylinder (32), and described gas passage (6) is between described the first structure and described the second structure.
5. the dust collect plant for measuring fly ash resistivity as described in claim 1 to 4 any one, it is characterized in that, also comprise turning-bar (7), described turning-bar (7) is connected with the outlet of described dust collect plant (1), changes the circulating direction in described dust collect plant (1).
6. the dust collect plant for measuring fly ash resistivity as claimed in claim 5, is characterized in that, and is identical with circulating direction and gravity direction in described particle collector (1) that described turning-bar (7) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688676 CN202974925U (en) | 2012-12-13 | 2012-12-13 | Dust collecting device for measuring fly ash resistivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688676 CN202974925U (en) | 2012-12-13 | 2012-12-13 | Dust collecting device for measuring fly ash resistivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974925U true CN202974925U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220688676 Expired - Fee Related CN202974925U (en) | 2012-12-13 | 2012-12-13 | Dust collecting device for measuring fly ash resistivity |
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| CN (1) | CN202974925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449968A (en) * | 2017-07-31 | 2017-12-08 | 浙江菲达环保科技股份有限公司 | Flying dust operating mode ratio resistance and experiment ratio resistance measure device |
-
2012
- 2012-12-13 CN CN 201220688676 patent/CN202974925U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449968A (en) * | 2017-07-31 | 2017-12-08 | 浙江菲达环保科技股份有限公司 | Flying dust operating mode ratio resistance and experiment ratio resistance measure device |
| CN107449968B (en) * | 2017-07-31 | 2023-05-05 | 浙江菲达环保科技股份有限公司 | Fly ash working condition specific resistance and experimental specific resistance measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20181213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |