CN203833254U - Feeding device used for SCR catalyst abrasion intensity tests - Google Patents
Feeding device used for SCR catalyst abrasion intensity tests Download PDFInfo
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- CN203833254U CN203833254U CN201420166823.7U CN201420166823U CN203833254U CN 203833254 U CN203833254 U CN 203833254U CN 201420166823 U CN201420166823 U CN 201420166823U CN 203833254 U CN203833254 U CN 203833254U
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- Prior art keywords
- feed pipe
- scr catalyst
- charging gear
- bin
- strength test
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to a feeding device used for SCR catalyst abrasion intensity tests. The feeding device comprises a material storing device, a Venturi tube, a discharge port, a feeding pipe, a rotating screw rod and a motor, wherein the Venturi tube is used for evenly mixing air and materials, the discharge port is used for being communicated with the material storing device, the feeding pipe is used for being communicated with the throat part of the Venturi tube, the rotating screw rod can control the adding amount of the materials, and the motor is used for driving the rotating screw rod to rotate. The feeding amount can be accurately controlled through the rotating screw rod, through the Venturi tube, the materials and the air can be effectively mixed to ensure evenness and stability of the materials in a pipeline, and air leakage and material reverse blowing can be reduced.
Description
Technical field
the utility model relates to a kind of charging gear for the strength test of SCR catalyst abrasion.
Background technology
abbreviation for flue gas selective catalytic reduction technology, along with economic development, thermal electric generation in national product still in occupation of very important status, the oxides of nitrogen of power plant emission has become one of air environment principal pollutant, therefore the out of stock catalyst of SCR of, removing oxides of nitrogen at home power plant is widely applied.Because the dust content of domestic thermal power plant is higher, the abrasion resistance properties of catalyst just becomes the important indicator of weighing catalyst performance.
but in prior art, as disclosed a kind of SCR denitrated catalyst abrasive performance testing device in the application number patent that is 200920037467.8, it comprises the developmental tube of horizontally set, developmental tube entrance point connects high pressure air feeding mechanism, in developmental tube, be provided with mixing device, at developmental tube, be provided with wearing and tearing agent feed bin outward, wearing and tearing agent feed bin bottom drain hole connects the entrance point of wearing and tearing agent feeding machine, the exit end of wearing and tearing agent feeding machine connects mixing device by pipeline, in the developmental tube of mixing device rear end, be provided with sample bin, developmental tube exit end is the entrance point with cyclone by pipeline connecting test, test is connected with the entrance point of collecting feed bin with the discharge end of cyclone, described collection feed bin is placed on meausring apparatus.But feeding coal can not be accurately controlled in the setting of above-mentioned charging gear, and the air quantity easy blowback of agent of easily revealing, wear and tear, tear strength test inaccuracy caused.
Summary of the invention
technical problem to be solved in the utility model is to provide a kind of charging gear for the strength test of SCR catalyst abrasion that can even feeding.
for solving above technical matters, the utility model is taked following technical scheme:
for a charging gear for SCR catalyst abrasion strength test, comprise storage device, for Venturi tube that air is mixed with material, for be communicated with the discharging opening of described storage device and the throat of described Venturi tube feed pipe, can control the rotary screw of the addition of described material, motor for driving described rotary screw to rotate.
particularly, described storage device comprise have opening storage bin, for cover described opening Cang Gai, the blanking bin being connected with the discharging opening of described storage bin, be arranged at and can control described storage bin and described blanking bin connection or the butterfly valve of closing between described storage bin and described blanking bin, the discharging opening of described blanking bin is connected with described feed pipe.
particularly, on a side of described blanking bin, be provided with the material level observation window of the material level that can observe described material.
particularly, described feed pipe comprises the horizontal feed pipe that along continuous straight runs extends and the perpendicular feed pipe vertically extending, one end portion of described horizontal feed pipe is connected respectively with one end portion of the discharging opening of described blanking bin and described rotary screw respectively, the other end is connected with the upper end of described perpendicular feed pipe, and the bottom of described perpendicular feed pipe is connected with the throat of described Venturi tube.
particularly, on described perpendicular feed pipe, be provided with the form that can observe feed situation.
particularly, described charging gear also comprises the change-speed box being arranged between described rotary screw and described motor.
due to the enforcement of above technical scheme, the utility model compared with prior art tool has the following advantages:
the utility model, by adopting rotary screw, can accurately be controlled feeding coal; By adopting Venturi tube, can realize material and mix with the effective of air, guarantee homogeneity and the stability of material in pipeline, and can reduce air quantity and reveal and material blowback.
Accompanying drawing explanation
below in conjunction with accompanying drawing, the utility model is described in more detail:
fig. 1 is structural representation of the present utility model;
wherein, 1, storage device; 2, Venturi tube; 3, feed pipe; 4, rotary screw; 5, motor; 6, change-speed box; 11, storage bin; 12, Cang Gai; 13, blanking bin; 14, butterfly valve; 15, material level observation window; 31, horizontal feed pipe; 32, perpendicular feed pipe; 33, form.
The specific embodiment
as shown in Figure 1, for a charging gear for SCR catalyst abrasion strength test, comprise storage device 1, for Venturi tube 2 that air is mixed with material, for be communicated with the discharging opening of storage device 1 and the throat of Venturi tube 2 feed pipe 3, can control the rotary screw 4 of the addition of material, motor 5 for driving rotary screw 4 to rotate.Charging gear also comprises the change-speed box 6 being arranged between rotary screw 4 and motor 5.
storage device 1 comprise have opening storage bin 11, for cover opening storehouse lid 12, the blanking bin 13 being connected with the discharging opening of storage bin 11, be arranged at the butterfly valve 14 that can control storage bin 11 and blanking bin 13 connections or close between storage bin 11 and blanking bin 13.The discharging opening of blanking bin 13 is connected with feed pipe 3.On one side of blanking bin 13, be provided with the material level observation window 15 of the material level that can observe material.Particularly, the volume of storage bin 11 is 50L, and blanking bin 13 volumes are 30L, and the rotating speed of motor 5 is 1450 revs/min, the ratio that change-speed box 6 is 1:10, and rotary screw 4 can accurately be controlled feeding coal by change-speed box 6, and feed scope is 0 ~ 20kg/h.When butterfly valve 14 cuts out, storage bin 11 plays the effect that stores material, in addition, equipment run duration, butterfly valve 14 close and the sealing of rotary screw 4 can effectively reduce entering of air quantity, thereby can accurately control material concentration, make tear strength test more accurately, stable.
feed pipe 3 comprises the horizontal feed pipe 31 that along continuous straight runs extends and the perpendicular feed pipe 32 vertically extending, one end portion of horizontal feed pipe 31 is respectively with the discharging opening of blanking bin 13 with one end portion of rotary screw 4 is connected respectively, the other end is connected with the upper end of perpendicular feed pipe 32, and the bottom of perpendicular feed pipe 32 is connected with the throat of Venturi tube 2.On perpendicular feed pipe 32, be provided with the form 33 that can observe feed situation.
above the utility model is described in detail; its object is to allow the personage who is familiar with this art can understand content of the present utility model and be implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to Spirit Essence of the present utility model change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (6)
1. for a charging gear for SCR catalyst abrasion strength test, it is characterized in that: comprise storage device, for Venturi tube that air is mixed with material, for be communicated with the discharging opening of described storage device and the throat of described Venturi tube feed pipe, can control the rotary screw of the addition of described material, motor for driving described rotary screw to rotate.
2. the charging gear for the strength test of SCR catalyst abrasion according to claim 1, it is characterized in that: described storage device comprise have opening storage bin, for cover described opening Cang Gai, the blanking bin being connected with the discharging opening of described storage bin, be arranged at and can control described storage bin and described blanking bin connection or the butterfly valve of closing between described storage bin and described blanking bin, the discharging opening of described blanking bin is connected with described feed pipe.
3. the charging gear for the strength test of SCR catalyst abrasion according to claim 2, is characterized in that: the material level observation window that is provided with the material level that can observe described material on a side of described blanking bin.
4. the charging gear for the strength test of SCR catalyst abrasion according to claim 2, it is characterized in that: described feed pipe comprises the horizontal feed pipe that along continuous straight runs extends and the perpendicular feed pipe vertically extending, one end portion of described horizontal feed pipe is connected respectively with one end portion of the discharging opening of described blanking bin and described rotary screw respectively, the other end is connected with the upper end of described perpendicular feed pipe, and the bottom of described perpendicular feed pipe is connected with the throat of described Venturi tube.
5. the charging gear for the strength test of SCR catalyst abrasion according to claim 4, is characterized in that: on described perpendicular feed pipe, be provided with the form that can observe feed situation.
6. the charging gear for the strength test of SCR catalyst abrasion according to claim 1, is characterized in that: described charging gear also comprises the change-speed box being arranged between described rotary screw and described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166823.7U CN203833254U (en) | 2014-04-08 | 2014-04-08 | Feeding device used for SCR catalyst abrasion intensity tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166823.7U CN203833254U (en) | 2014-04-08 | 2014-04-08 | Feeding device used for SCR catalyst abrasion intensity tests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203833254U true CN203833254U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420166823.7U Expired - Fee Related CN203833254U (en) | 2014-04-08 | 2014-04-08 | Feeding device used for SCR catalyst abrasion intensity tests |
Country Status (1)
| Country | Link |
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| CN (1) | CN203833254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044754A (en) * | 2019-03-25 | 2019-07-23 | 华电电力科学研究院有限公司 | A kind of wear-resistant experimental provision of honeycomb type denitrification catalyst and experimental method |
-
2014
- 2014-04-08 CN CN201420166823.7U patent/CN203833254U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044754A (en) * | 2019-03-25 | 2019-07-23 | 华电电力科学研究院有限公司 | A kind of wear-resistant experimental provision of honeycomb type denitrification catalyst and experimental method |
| CN110044754B (en) * | 2019-03-25 | 2023-11-24 | 华电电力科学研究院有限公司 | Honeycomb denitration catalyst abrasion resistance experimental device and experimental method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100086, Beijing, Zhichun Road, Haidian District No. 48 Building No. 1, 21A, 21B Patentee after: Huaneng Group Technology Innovation Center Patentee after: SUZHOU XIRE ENERGY SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Patentee after: Xi'an Thermal Power Research Institute Co.,Ltd. Address before: 100086, Beijing, Zhichun Road, Haidian District No. 48 Building No. 1, 21A, 21B Patentee before: Huaneng Group Technology Innovation Center Patentee before: Suzhou Huarui Nengtai Power Generation Technology Co., Ltd. Patentee before: Xi'an Thermal Power Research Institute Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180408 |