CN101920144A - Material-level detecting device of dust collector ash hopper - Google Patents
Material-level detecting device of dust collector ash hopper Download PDFInfo
- Publication number
- CN101920144A CN101920144A CN 201010267900 CN201010267900A CN101920144A CN 101920144 A CN101920144 A CN 101920144A CN 201010267900 CN201010267900 CN 201010267900 CN 201010267900 A CN201010267900 A CN 201010267900A CN 101920144 A CN101920144 A CN 101920144A
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- Prior art keywords
- dust collector
- ash hopper
- collector ash
- dust
- pressure
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Abstract
The invention relates to a material-level detecting device of a dust collector ash hopper, which comprises a dust collector ash hopper, wherein the lower part of the dust collector ash hopper is provided with a pressure transmitter; a pressure conducting pipe is arranged on the pressure transmitter; the other end of the pressure conducting pipe which is correspondingly connected with the pressure transmitter is provided with a detecting pipe; the detecting pipe is communicated with the pressure conducting pipe; and the other end of the detecting pipe which is correspondingly connected with the pressure conducting pipe extends into the dust collector ash hopper. In the invention, when the dust content of the dust collector ash hopper is lower than the installation height of the detecting pipe, the pressure defected by the pressure transmitter is equal to negative pressure in the dust collector ash hopper; when the dust content exceeds the installation height of the detecting pipe, the pressure detected by the pressure transmitter is zero, and the corresponding dust content can be obtained; the detecting pipe is correspondingly matched with the pressure transmitter, which prevents the detecting malfunction of a contact type material-level switch; and compressed air in a compressed-air pipe can be used for blowing the inside of the detecting pipe, which prevents dust from blocking the detecting pipe. The invention has the advantages of simple structure, convenient installation and use, high detecting precision, safety and reliability.
Description
Technical field
The present invention relates to a kind of material-level detecting device, especially a kind of material-level detecting device of dust collector ash hopper, specifically a kind of pressure transmitter that utilizes carries out the material level detection to the negative pressure system of dust collector ash hopper.
Background technology
Dust collector ash hopper is the parts that deduster is used for interim store collected dust; In order to separate the Dust Capacity that exists in the dust collector ash hopper, stuff level switch generally is set on dust collector ash hopper, detect the stored number of dust in the dust collector ash hopper.
General dust collector ash hopper adopts is the contact stuff level switch, and promptly described stuff level switch directly contacts with dust; When stuff level switch has touched dust, the storage location that dust so just is described has arrived the position that stuff level switch is installed, be installed in 4/5 place of dust collector ash hopper height number as stuff level switch, just illustrate that when this stuff level switch produces material level signal the dust in the ash bucket stores 4/5 place that has highly arrived the ash bucket height number.But the use of above-mentioned contact stuff level switch has certain limitation, when the dust in the dust collector ash hopper has viscosity, can cause dust adhesion on stuff level switch, highly whether no matter dust stores reaches the position that stuff level switch is installed, the dust that sticks on the stuff level switch still can make stuff level switch send the material level signal, thereby the generation false alarm influences the normal use of dust collector ash hopper.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of material-level detecting device of dust collector ash hopper is provided, it is simple in structure, installation and easy to use, and the accuracy of detection height, safe and reliable.
According to technical scheme provided by the invention, the material-level detecting device of described dust collector ash hopper comprises dust collector ash hopper; The bottom of described dust collector ash hopper is provided with pressure transmitter, and described pressure transmitter is provided with connecting pipe, and described connecting pipe is provided with detector tube corresponding to the other end that links to each other with pressure transmitter, and described detector tube is connected with connecting pipe; Detector tube stretches in the dust collector ash hopper corresponding to the other end that links to each other with connecting pipe.
Described detector tube is provided with flange corresponding to the other end of stretching into dust collector ash hopper.Described detector tube is provided with compressed air hose corresponding to the other end that stretches into dust collector ash hopper; Described compressed air hose is connected with detector tube.Described compressed air hose is provided with magnetic valve.The top of described dust collector ash hopper is provided with sack cleaner.
Advantage of the present invention: pressure transmitter carries out pressure detecting by connecting pipe and detector tube to dust collector ash hopper; When the Dust Capacity of dust collector ash hopper was lower than the setting height(from bottom) of detector tube, the pressure of pressure transmitter detection equated with the negative pressure in the dust collector ash hopper; When the Dust Capacity in the dust collector ash hopper was higher than the setting height(from bottom) of detector tube, the pressure that pressure transmitter detects was zero, thereby can access the Dust Capacity in the dust collector ash hopper; Described detector tube is corresponding with pressure transmitter to be cooperated, and has avoided the detection misoperation of contact stuff level switch.Compressed air in the compressed air hose can purge detector tube inside, prevents that dust from stopping up detector tube; Compressed air hose is provided with magnetic valve, can realize the purging of detector tube is realized control automatically, and is simple in structure, installation and easy to use, and the accuracy of detection height, safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in Figure 1: the present invention includes detector tube 1, magnetic valve 2, compressed air hose 3, flange 4, pressure transmitter 5, connecting pipe 6, dust collector ash hopper 7 and sack cleaner 8.
As shown in Figure 1: the top of described dust collector ash hopper 7 is provided with sack cleaner 8, and the dust of described sack cleaner 8 outputs drops on the bottom of dust collector ash hopper 7, is in negative pressure state in the dust collector ash hopper 7.The bottom of dust collector ash hopper 7 is provided with pressure transmitter 5, and described pressure transmitter 5 is provided with connecting pipe 6, and described connecting pipe 6 is provided with corresponding to the other end that links to each other with pressure transmitter 5 just likes inboard pass 1; Described detector tube 1 stretches in the dust collector ash hopper 7 corresponding to the other end that links to each other with connecting pipe 6, is positioned at the bottom of dust collector ash hopper 7.When detector tube 1 was connected with dust collector ash hopper 7, detector tube 1 was transported to pressure on the pressure transmitter 5 by connecting pipe 6, and pressure transmitter 5 can detect the pressure of dust collector ash hopper 7; When the Dust Capacity of dust collector ash hopper 7 bottoms surpasses the setting height(from bottom) of detector tube 1, dust covers detector tube 1, connecting pipe 6 inside are isolated with dust collector ash hopper 7, and the pressure that pressure transmitter 5 detects dust collector ash hopper 7 is zero, thereby can judge the Dust Capacity in the dust collector ash hopper 7.
Detector tube 1 is provided with flange 4 corresponding to the other end that stretches in the dust collector ash hopper 7, and whether can observe detector tube 1 by dismounting flange 4 unobstructed.Detector tube 1 also is provided with compressed air hose 3 corresponding to the end that flange 4 is set, and described compressed air hose 3 is connected with detector tube 1; Compressed air in the compressed air hose 3 can purge the dust in the detector tube 1.Magnetic valve 2 is installed on the compressed air hose 3,, can controls compressed air in the compressed air hose 3, avoid dust to stop up detector tube 1 purging of detector tube 1 by the switching of control magnetic valve 2.
As shown in Figure 1: during use, compressed air hose 3 links to each other with the output of air compressor, and blows to detector tube 1 by magnetic valve 2 closes compression air.The dust that sack cleaner 8 is removed drops on the bottom of dust collector ash hopper 7; Along with constantly falling of dust, the dust height in the dust collector ash hopper 7 can increase.When the dust height in the dust collector ash hopper 7 was lower than the setting height(from bottom) of detector tube 1, detector tube 1 was connected with dust collector ash hopper 7, and promptly connecting pipe 6 is connected with dust collector ash hopper 7, and pressure transmitter 5 can detect the pressure in the dust collector ash hopper 7.When the dust height in the dust collector ash hopper 7 during more than or equal to the setting height(from bottom) of detector tube 1, dust covers detector tube 1, connecting pipe 6 inside are isolated with dust collector ash hopper 7, the pressure that pressure transmitter 5 detects dust collector ash hopper 7 is zero, thereby can judge the Dust Capacity in the dust collector ash hopper 7.When needs purge detector tube 1, open magnetic valve 2, the compressed air in the compressed air hose 3 is removed the dust in the detector tube 1.
Pressure transmitter 1 of the present invention carries out pressure detecting by connecting pipe 6 and 1 pair of dust collector ash hopper of detector tube 7; When the Dust Capacity of dust collector ash hopper 7 was lower than the setting height(from bottom) of detector tube 1, the pressure that pressure transmitter 5 detects equated with the negative pressure of dust collector ash hopper interior 7; When the Dust Capacity in the dust collector ash hopper 7 surpassed the setting height(from bottom) of detector tube 1, the pressure that pressure transmitter 5 detects was zero, thereby can access the Dust Capacity in the dust collector ash hopper 7; Described detector tube 1 and 5 corresponding cooperations of pressure transmitter have been avoided the detection misoperation of contact stuff level switch.Compressed air in compressed air 3 pipes can purge detector tube 1 inside, prevents that dust from stopping up detection 1; Compressed air hose 3 is provided with magnetic valve 2, can realize the purging of detector tube 1 is realized control automatically, and is simple in structure, installation and easy to use, and the accuracy of detection height, safe and reliable.
Claims (5)
1. the material-level detecting device of a dust collector ash hopper comprises dust collector ash hopper (7); It is characterized in that: the bottom of described dust collector ash hopper (7) is provided with pressure transmitter (5), described pressure transmitter (5) is provided with connecting pipe (6), described connecting pipe (6) is provided with detector tube (1) corresponding to the other end that links to each other with pressure transmitter (5), and described detector tube (1) is connected with connecting pipe (6); Detector tube (1) stretches in the dust collector ash hopper (7) corresponding to the other end that links to each other with connecting pipe (6).
2. according to the material-level detecting device of the described dust collector ash hopper of claim 1, it is characterized in that: described detector tube (1) is provided with flange (4) corresponding to the other end of stretching into dust collector ash hopper (7).
3. according to the material-level detecting device of the described dust collector ash hopper of claim 1, it is characterized in that: described detector tube (1) is provided with compressed air hose (3) corresponding to the other end that stretches into dust collector ash hopper (7); Described compressed air hose (3) is connected with detector tube (1).
4. according to the material-level detecting device of the described dust collector ash hopper of claim 3, it is characterized in that: described compressed air hose (3) is provided with magnetic valve (2).
5. according to the material-level detecting device of the described dust collector ash hopper of claim 1, it is characterized in that: the top of described dust collector ash hopper (7) is provided with sack cleaner (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010267900 CN101920144A (en) | 2010-08-30 | 2010-08-30 | Material-level detecting device of dust collector ash hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010267900 CN101920144A (en) | 2010-08-30 | 2010-08-30 | Material-level detecting device of dust collector ash hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101920144A true CN101920144A (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010267900 Pending CN101920144A (en) | 2010-08-30 | 2010-08-30 | Material-level detecting device of dust collector ash hopper |
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| CN (1) | CN101920144A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407053A (en) * | 2011-12-14 | 2012-04-11 | 三一重工股份有限公司 | Bag-type dust collector |
| CN102784526A (en) * | 2011-05-16 | 2012-11-21 | 山东瑞宇蓄电池有限公司 | Bag dust remover |
| CN102914345A (en) * | 2012-11-08 | 2013-02-06 | 中国神华能源股份有限公司 | Material level switch and method for monitoring material level of material cabin |
| CN103589439A (en) * | 2013-12-02 | 2014-02-19 | 莱芜钢铁集团电子有限公司 | Coke powder level control system |
| CN106768163A (en) * | 2016-12-28 | 2017-05-31 | 安徽六国化工股份有限公司 | The liquid level detection device and the detection method using the device of slag bath are dragged for for gasifying |
| CN109200798A (en) * | 2018-10-25 | 2019-01-15 | 南京龙源环保有限公司 | A kind of detection device and application method of semi-dry desulphurization dust collector ash hopper material position |
| CN112079075A (en) * | 2020-09-01 | 2020-12-15 | 天津铁厂有限公司 | Method for controlling ash discharge of charge level indicator based on negative pressure drive |
| CN113790777A (en) * | 2021-08-12 | 2021-12-14 | 华能国际电力股份有限公司营口电厂 | High material level deposition detection device of ash bucket |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638040Y (en) * | 2003-07-15 | 2004-09-01 | 杨庆申 | Powder material bin level detecting device |
| CN201387353Y (en) * | 2009-04-22 | 2010-01-20 | 福建东源环保有限公司 | Dust catcher ash bucket high material level detecting device |
| CN201776037U (en) * | 2010-08-30 | 2011-03-30 | 无锡市天虹环保工程有限公司 | Material level detector of dust hopper of deduster |
-
2010
- 2010-08-30 CN CN 201010267900 patent/CN101920144A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638040Y (en) * | 2003-07-15 | 2004-09-01 | 杨庆申 | Powder material bin level detecting device |
| CN201387353Y (en) * | 2009-04-22 | 2010-01-20 | 福建东源环保有限公司 | Dust catcher ash bucket high material level detecting device |
| CN201776037U (en) * | 2010-08-30 | 2011-03-30 | 无锡市天虹环保工程有限公司 | Material level detector of dust hopper of deduster |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784526A (en) * | 2011-05-16 | 2012-11-21 | 山东瑞宇蓄电池有限公司 | Bag dust remover |
| CN102784526B (en) * | 2011-05-16 | 2014-11-05 | 山东瑞宇蓄电池有限公司 | Bag dust remover |
| CN102407053A (en) * | 2011-12-14 | 2012-04-11 | 三一重工股份有限公司 | Bag-type dust collector |
| CN102914345A (en) * | 2012-11-08 | 2013-02-06 | 中国神华能源股份有限公司 | Material level switch and method for monitoring material level of material cabin |
| CN103589439A (en) * | 2013-12-02 | 2014-02-19 | 莱芜钢铁集团电子有限公司 | Coke powder level control system |
| CN103589439B (en) * | 2013-12-02 | 2015-04-15 | 莱芜钢铁集团电子有限公司 | Coke powder level control system |
| CN106768163A (en) * | 2016-12-28 | 2017-05-31 | 安徽六国化工股份有限公司 | The liquid level detection device and the detection method using the device of slag bath are dragged for for gasifying |
| CN109200798A (en) * | 2018-10-25 | 2019-01-15 | 南京龙源环保有限公司 | A kind of detection device and application method of semi-dry desulphurization dust collector ash hopper material position |
| CN112079075A (en) * | 2020-09-01 | 2020-12-15 | 天津铁厂有限公司 | Method for controlling ash discharge of charge level indicator based on negative pressure drive |
| CN113790777A (en) * | 2021-08-12 | 2021-12-14 | 华能国际电力股份有限公司营口电厂 | High material level deposition detection device of ash bucket |
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Application publication date: 20101222 |