CN213779824U - High concentration dust meter calibrating installation - Google Patents

High concentration dust meter calibrating installation Download PDF

Info

Publication number
CN213779824U
CN213779824U CN202022286703.9U CN202022286703U CN213779824U CN 213779824 U CN213779824 U CN 213779824U CN 202022286703 U CN202022286703 U CN 202022286703U CN 213779824 U CN213779824 U CN 213779824U
Authority
CN
China
Prior art keywords
dust
concentration
detection
feeding cylinder
inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022286703.9U
Other languages
Chinese (zh)
Inventor
史现志
史瑞宁
赵海芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shijiazhuang Dongya Electronic Technology Co ltd
Original Assignee
Shijiazhuang Dongya Electronic Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shijiazhuang Dongya Electronic Technology Co ltd filed Critical Shijiazhuang Dongya Electronic Technology Co ltd
Priority to CN202022286703.9U priority Critical patent/CN213779824U/en
Application granted granted Critical
Publication of CN213779824U publication Critical patent/CN213779824U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The utility model relates to the technical field of dust detection, and provides a high-concentration dust meter calibrating device, which comprises a detection barrel body, wherein the detection barrel body is provided with a dust inlet; the powder outlet device is arranged on one side of the detection cylinder and comprises a powder outlet nozzle, the powder outlet nozzle faces the dust inlet, a conical cavity is arranged on the powder outlet nozzle and provided with a large-diameter inlet and a small-diameter outlet, and the large-diameter inlet is communicated with the small-diameter outlet; the lifting platform, the powder discharging device is arranged on the lifting platform. Through the technical scheme, the problem of inaccurate detection in the prior art is solved.

Description

High concentration dust meter calibrating installation
Technical Field
The utility model relates to a dust detection technical field, it is concrete relates to a high concentration dust meter calibrating installation.
Background
Dust concentration detectors are widely used in a variety of industrial applications, including: steel making, power generation, petroleum, chemical industry, medicine, building material processing, coal mining and mining, cement manufacturing, packaging and other industries. At present, various dust detection methods and various dust concentration detectors are available, and the dust concentration detectors are divided into a laser dust meter, an online continuous monitoring dust meter, a portable dust meter and the like, wherein the electrostatic charge induction principle is as follows: dust particle is through the static charge inductor of a fixed probe, produce the static charge with the probe response, the size of static charge is directly proportional with dust particle's flow, carry out signal amplification through the probe and then transmit to monitor control system, the signal after the amplification, the rethread changer filters the amplification, handle into a standard output value that is linear relation with dust content, for the accuracy of testing result, need dust concentration detector itself to measure accurately, need detect dust concentration detector itself for this reason, detect dust concentration detector at present, there is the feeding easy leakage, the feeding volume is not good control, detect the big scheduling problem of precision deviation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high concentration dust appearance calibrating installation has solved the detection inaccuracy problem among the correlation technique.
The technical scheme of the utility model as follows:
a calibrating device for a high-concentration dust instrument comprises,
a detection cylinder having a dust inlet;
the powder outlet device is arranged on one side of the detection cylinder and comprises a powder outlet nozzle, the powder outlet nozzle faces the dust inlet, a conical cavity is arranged on the powder outlet nozzle and provided with a large-diameter inlet and a small-diameter outlet, and the large-diameter inlet is communicated with the small-diameter outlet;
the lifting platform, the powder discharging device is arranged on the lifting platform.
As a further technical proposal, the powder outlet device also comprises,
the dust disc penetrates through the large-diameter inlet and is arranged in the conical cavity;
the dust feeding cylinder is arranged above the dust disc, a rotating shaft of the dust disc is parallel to a central shaft of the dust feeding cylinder, a feeding cavity is formed in the dust feeding cylinder, and a sliding plate is arranged in the feeding cavity in a sliding mode;
the push rod is arranged on the sliding plate, and a screw rod is arranged on the push rod;
the blowing nozzle is arranged on the inner wall of the powder outlet nozzle and located below the dust tray, and the blowing nozzle is used for blowing the dust on the dust tray to the detection barrel.
As a further technical solution, it also includes,
the dust feeding cylinder fixing disc is arranged on the dust feeding cylinder and used for fixing the dust feeding cylinder.
As a further technical solution, it is proposed that,
the detection cylinder body also comprises a detection cylinder body,
a first space provided within the detection barrel;
a grill disposed within the first space;
the standard detector is arranged on the grating;
and the high-concentration dust meter is arranged on the grating and positioned on one side of the standard detector.
As a further technical solution, it also includes,
and the fan is communicated with the air blowing nozzle.
As a further technical solution, it also includes,
the first driving motor is arranged on one side of the dust disc and drives the dust disc to rotate.
As a further technical solution, it also includes,
and the second driving motor is arranged on one side of the screw rod and is used for driving the screw rod.
The utility model discloses a theory of operation and beneficial effect do:
in this embodiment, in order to realize accurate detection, set up out the powder device, specifically have, detect the barrel and have the dust entry, the dust gets into from the dust entry and detects the barrel, goes out the powder device setting and is detecting barrel one side, detects the barrel level and places, goes out the powder device and includes powder outlet nozzle, goes out the powder nozzle towards the dust entry, and the dust blows off from powder outlet nozzle, gets into through the dust entry and detects the barrel. In order to ensure that the dust enters the detection cylinder as far as possible, a conical cavity is arranged on the powder outlet nozzle, the conical cavity is provided with a large-diameter inlet and a small-diameter outlet, the large-diameter inlet is communicated with the small-diameter outlet, the dust enters from the large-diameter inlet and is blown out from the small-diameter outlet, and the conical guide ensures that the dust is concentrated and is not easy to blow away, prevents the dust from scattering around before entering the detection cylinder, and simultaneously avoids the interference of external environment such as wind condition on the detection, thereby realizing accurate detection, the height of the powder outlet device can be adjusted by the lifting platform, and the powder outlet device is suitable for detection cylinders with different heights.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a certain viewing angle structure of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic view of another perspective structure of the present invention;
FIG. 4 is a schematic structural view of the powder discharging device of the present invention;
FIG. 5 is a side view of the powder discharging device of the present invention;
in the figure: 1. the device comprises a detection cylinder, 2, a dust inlet, 3, a powder discharging device, 4, a powder discharging nozzle, 9, a conical cavity, 10, a large-diameter inlet, 11, a small-diameter outlet, 12, a dust disc, 13, a dust feeding cylinder, 14, a feeding cavity, 15, a sliding plate, 16, a push rod, 17, a screw rod, 18, a blowing nozzle, 19, a dust feeding cylinder fixing disc, 20, a first space, 21, a grid, 22, a standard detector, 23, a high-concentration dust instrument, 24, a fan, 25, a first driving motor, 26, a second driving motor, 27 and a lifting table.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in fig. 1 to 5, the present embodiment proposes
A calibrating device for a high-concentration dust instrument is characterized by comprising,
the device comprises a detection cylinder body 1, wherein the detection cylinder body 1 is provided with a dust inlet 2;
the powder outlet device 3 is arranged on one side of the detection cylinder 1, the powder outlet device 3 comprises a powder outlet nozzle 4, the powder outlet nozzle 4 faces the dust inlet 2, a conical cavity 9 is arranged on the powder outlet nozzle 4, the conical cavity 9 is provided with a large-diameter inlet 10 and a small-diameter outlet 11, and the large-diameter inlet 10 is communicated with the small-diameter outlet 11;
the lifting platform 27, the powder discharging device is arranged on the lifting platform 27.
In the embodiment, in order to realize accurate detection, the powder discharging device 3 is arranged, specifically, the detection cylinder 1 is provided with a dust inlet 2, dust enters the detection cylinder 1 from the dust inlet 2, and the detection cylinder 1 is horizontally arranged; go out powder device 3 and set up in detecting 1 one side of barrel, go out powder device 3 and include out powder mouth 4, go out powder mouth 4 towards dust entry 2, the dust blows off from going out powder mouth 4, gets into through dust entry 2 and detects barrel 1. In order to ensure that dust enters the detection cylinder 1 as far as possible, a conical cavity 9 is arranged on the powder outlet nozzle 4, the conical cavity 9 is provided with a large-diameter inlet 10 and a small-diameter outlet 11, the large-diameter inlet 10 is communicated with the small-diameter outlet 11, the dust enters from the large-diameter inlet 10 and is blown out from the small-diameter outlet 11, and the dust is concentrated and is not easy to blow away, so that the dust is prevented from scattering around before entering the detection cylinder 1, meanwhile, the interference of the external environment such as the wind condition on the detection is also avoided, the accurate detection is realized, the height of the powder outlet device 3 can be adjusted by the lifting platform 27, and the detection cylinder 1 with different heights is adapted.
Further, the powder discharging device 3 also comprises a dust disc 12, wherein the dust disc 12 penetrates through the large-diameter inlet 10 and is arranged in the conical cavity 9;
the dust feeding device comprises a dust feeding cylinder 13, wherein the dust feeding cylinder 13 is arranged above a dust disc 12, a rotating shaft of the dust disc 12 is parallel to a central shaft of the dust feeding cylinder 13, a feeding cavity 14 is formed in the dust feeding cylinder 13, and a sliding plate 15 is arranged in the feeding cavity 14 in a sliding mode;
the push rod 16 is arranged on the sliding plate 15, and a screw rod 17 is arranged on the push rod 16;
the air blowing nozzle 18 is arranged on the inner wall of the powder outlet nozzle 4 and located below the dust disc 12, and the air blowing nozzle 18 is used for blowing the dust on the dust disc 12 into the detection cylinder 1.
In order to ensure that the powder is discharged uniformly, a dust disc 12 and a dust feeding cylinder 13 are arranged, the dust feeding cylinder 13 is arranged above the dust disc 12, a feeding cavity 14 is arranged on the dust feeding cylinder 13, the dust is placed in the feeding cavity 14, a sliding plate 15 is arranged in the feeding cavity 14 in a sliding mode, and the sliding plate 15 slides towards the dust disc 12 to extrude the dust; the push rod 16 is arranged on the sliding plate 15, the lead screw 17 is arranged on the push rod 16, and the push rod 16 is driven by the lead screw 17 to enable the push rod 16 to push the sliding plate 15; after being extruded, the dust falls on the dust disc 12, the dust on the dust disc 12 is blown into the detection cylinder 1 by the air blowing nozzle 18, the air blowing nozzle 18 is arranged on the inner wall of the powder outlet nozzle 4, and the air outlet of the air blowing nozzle 18 faces the detection cylinder 1; in addition, the rotating shafts of the dust disc 12 are parallel to the central shaft of the dust feeding cylinder 13, the arrangement of the two rotating shafts which are not collinear enables dust to be extruded from the dust feeding cylinder 13 and then to be uniformly taken out by the dust disc 12, dust cannot be accumulated, and the dust discharging and the dust entering the detection cylinder 1 can be smooth due to the fact that the dust disc 12 and the dust feeding cylinder work together.
Further, the dust feeding device also comprises a dust feeding cylinder fixing disc 19, wherein the dust feeding cylinder fixing disc 19 is arranged on the dust feeding cylinder 13 and used for fixing the dust feeding cylinder 13.
In this embodiment, the dust feeding cylinder 13 is relatively long, and is easy to shake, and the feeding amount of dust cannot be normally controlled after shaking, in order to keep the dust feeding cylinder 13 vertical, a fixing disc of the dust feeding cylinder 13 is provided, and the fixing disc of the dust feeding cylinder 13 is arranged in the middle of the dust feeding cylinder 13, or symmetrically arranged on the dust feeding cylinder 13.
Furthermore, the detection cylinder 1 also comprises a liquid inlet,
a first space 20, the first space 20 being provided in the detection cylinder 1;
a grill 21, the grill 21 being disposed in the first space 20;
the standard detector 22, the standard detector 22 is set up on the grating 21;
and a high-concentration dust meter 23, wherein the high-concentration dust meter 23 is arranged on the grid 21 and is positioned on one side of the standard detector 22.
In this embodiment, the first space 20 is provided in the detection cylinder 1, and the dust to be blown in moves in the first space 20, and the detection is also performed in the first space 20; the grid 21 is arranged in the first space 20, the standard detector 22 and the high-concentration dust meter 23 to be measured are placed on the grid 21, the high-concentration dust meter 23 is positioned on one side of the standard detector 22, the concentration of dust in the same space area is approximately the same, and therefore the measurement results can be kept as accurate as possible due to the placement of the high-concentration dust meter 23 and the standard detector 22, and the situation that the detection results are different greatly is avoided.
Further, a fan 24 is also included, and the fan 24 is communicated with the air blowing nozzle 18.
In this embodiment, a fan 24 is provided, and the fan 24 is in communication with the blowing nozzle 18 and the air inlet for blowing air into the blowing nozzle 18.
Further, the dust collecting device further comprises a first driving motor 25, wherein the first driving motor 25 is arranged on one side of the dust disc 12 and drives the dust disc 12 to rotate.
In the embodiment, a driving motor is arranged and arranged on one side of the dust disc 12 to drive the dust disc 12 to rotate;
further, a second driving motor 26 is further included, and the second driving motor 26 is arranged on one side of the screw rod 17 and is used for driving the screw rod 17.
In this embodiment, a second driving motor 26 is provided, and the second driving motor 26 is provided on one side of the screw rod 17 for driving the screw rod 17 to feed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A calibrating device for a high-concentration dust instrument is characterized by comprising,
the device comprises a detection cylinder body (1), wherein the detection cylinder body (1) is provided with a dust inlet (2);
the powder discharging device (3) is arranged on one side of the detection cylinder body (1), the powder discharging device (3) comprises a powder discharging nozzle (4), the powder discharging nozzle (4) faces the dust inlet (2), a conical cavity (9) is arranged on the powder discharging nozzle (4), the conical cavity (9) is provided with a large-diameter inlet (10) and a small-diameter outlet (11), and the large-diameter inlet (10) is communicated with the small-diameter outlet (11);
the lifting platform (27), the powder discharging device (3) is arranged on the lifting platform (27).
2. The calibrating apparatus for high-concentration dust meter according to claim 1, wherein the dust discharging apparatus (3) further comprises,
a dust disk (12), the dust disk (12) disposed within the conical cavity (9) through the large diameter inlet (10);
the dust feeding device comprises a dust feeding cylinder (13), wherein the dust feeding cylinder (13) is arranged above a dust disc (12), a rotating shaft of the dust disc (12) is parallel to a central shaft of the dust feeding cylinder (13), a feeding cavity (14) is arranged on the dust feeding cylinder (13), and a sliding plate (15) is arranged in the feeding cavity (14) in a sliding manner;
the push rod (16), the said push rod (16) is set up on the said sliding plate (15), there are lead screws (17) on the said push rod (16);
the air blowing nozzle (18), the air blowing nozzle (18) set up in powder outlet (4) inner wall, be located dust dish (12) below, air blowing nozzle (18) are used for with the dust on the dust dish (12) blow to in detecting barrel (1).
3. The calibrating apparatus for high-concentration dust meter according to claim 1, further comprising,
a dust feeding cylinder fixing disc (19), the dust feeding cylinder fixing disc (19) is arranged on the dust feeding cylinder (13) and used for fixing the dust feeding cylinder (13).
4. The calibrating apparatus for high-concentration dust meter according to claim 1,
the detection cylinder body (1) also comprises a detection cylinder body,
a first space (20), said first space (20) being arranged inside said detection cylinder (1);
a grid (21), the grid (21) being disposed within the first space (20);
a standard detector (22), wherein the standard detector (22) is arranged on the grating (21);
and the high-concentration dust meter (23) is arranged on the grid (21) and positioned on one side of the standard detector (22).
5. The calibrating apparatus for high-concentration dust meter according to claim 2, further comprising,
a fan (24), the fan (24) being in communication with the blowing nozzle (18).
6. The calibrating apparatus for high-concentration dust meter according to claim 2, further comprising,
the first driving motor (25), first driving motor (25) set up dust dish (12) one side, the drive dust dish (12) rotate.
7. The calibrating apparatus for high-concentration dust meter according to claim 2, further comprising,
and the second driving motor (26) is arranged on one side of the screw rod (17) and used for driving the screw rod (17).
CN202022286703.9U 2020-10-14 2020-10-14 High concentration dust meter calibrating installation Active CN213779824U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022286703.9U CN213779824U (en) 2020-10-14 2020-10-14 High concentration dust meter calibrating installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022286703.9U CN213779824U (en) 2020-10-14 2020-10-14 High concentration dust meter calibrating installation

Publications (1)

Publication Number Publication Date
CN213779824U true CN213779824U (en) 2021-07-23

Family

ID=76909302

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022286703.9U Active CN213779824U (en) 2020-10-14 2020-10-14 High concentration dust meter calibrating installation

Country Status (1)

Country Link
CN (1) CN213779824U (en)

Similar Documents

Publication Publication Date Title
CN105486619B (en) Particulate matter measuring instrument calibration system and its scaling method
US6431014B1 (en) High accuracy aerosol impactor and monitor
CN103760079A (en) dust tester calibration method and system
CN103323319A (en) Enriching and detecting equipment for particles
US4676092A (en) Filter test method and apparatus
CN213779824U (en) High concentration dust meter calibrating installation
JP2009069123A (en) Radioactivity measurement method of radioactive waste
CN107764893A (en) Three-Dimensional Magnetic remembers steel wire rope detecting system
CN109357928B (en) Device and method for calibrating dilution ratio of aerosol diluter
CN205027638U (en) On -line monitoring device of PM2. 5 industry flue gas
CN204924866U (en) Calibration system of digit dust appearance
CN213239853U (en) Low concentration dust meter calibrating installation
CN105135897A (en) Self-adjusting system and method for PM 2.5 flue gas flow fields
CN108407077A (en) A kind of powder body mixing arrangement preparing aluminium oxide ceramics microballoon
CN201795972U (en) On-line dust detector
CN202110121U (en) Direct-reading dust concentration detector
CN207300672U (en) A kind of air sampling pre-detection device
US5604295A (en) Calibrating particle emission-detecting instruments
Chen et al. Calibration of aerosol instruments
CN206406287U (en) The full-automatic consecutive weighings mixing device of three phase materials based on strip initial rubber
CN205940723U (en) Closed spout balance
CN205027141U (en) PM2. 5 cigarette air flow field is from governing system
CN209406602U (en) A kind of revolving speed measurement detection system of medical centrifuge
Chen et al. Sampling efficiency of the TSI aerodynamic particle sizer
CN210464416U (en) Automatic detection mechanism for floor thickness gauge

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant