Atmosphere particles- carbon black aerosol quality and concentration monitor and monitoring method

Method for measuring laboratory smoke (water) DRDF

Double-light path photoelectric detector and method for detecting light decrement thereof

The invention discloses a double ray paths photo detector and the method of testing the light attenuation quantity, the gas monitor room exterior joint has the positioning electro-magnet, the top-mounted of the gas monitor room is furnished with the multi- wave lengths photo source array as examining the photo source, the gas monitor room associates the enter airport, the gas monitor room base isthe glass ledger wall, the ventilation window installs on the glass ledger wall; the quartz filter paper tape underneath the gas monitor room; there are refer and survey two photo detectors installs underneath the quartz filter paper belt, a group used as the reference, another group used as the examination. The optics attenuation method which is used has well timeliness, high precision, low cost,enhanced the automaticity, time-saving reduced effort, all-weather automatic continuous working merit, guaranteed the atmospheric pellet carbon black aerosol continuously, the real-time on-line monitor.

Take pet nursing gloves of brush hair

The utility model discloses a take pet nursing gloves of brush hair, include the gloves body, indicate portion, brush hair, buckle the body, buckle seat and gasket, detain the body openly with the brush hair laminating, it is equipped with concave screw thread to detain body reverse side, it is in to detain the seat bonding finger portion is inboard, it is equipped with protruding screw thread to detain the seat, concave screw thread with protruding threaded connection, the gasket is located and is buckled the positive top layer of the body, be provided with on the gasket with brush hair diameter assorted hole. The utility model has the advantages of contact hair area is big, and the flexibility is good, clears up the pet waste wool more easily, the waste wool that produces can take out and the sanitization along with the gasket, can keep the clean clean and tidy of gloves for a long time.

Laser breakdown spectrographic detection method and system for metal pollutants in water body

Multi -functional lock

The utility model discloses a multi -functional lock, including body (1), be equipped with first arch (2) and second protruding (3) on body (1), swing joint has first support (4), second support (5) respectively. First support (4) and second support (5) one end is ball shape, and first arch (2) and second protruding (3) are inside to be equipped with spherical first recess (6) and second recess (7) respectively, and many angular adjustment of first support (4) and second support (5) are realized in can stretching into first recess (6) and second recess (7) to first support (4) and second support (5) end. The other end of first support (4) and second support (5) is the drum shape, can insert the support end of sun umbrella wherein to play the effect of fixed sun umbrella. Still be equipped with third recess (8) and fourth recess (9) on body (1), first support (4) and second support (5) can be taken in wherein to reduce the volume, made things convenient for accomodating of multi -functional ...

Non-contact COD/DOC water quality on-line monitoring method and device by spectrum method

Non-contact COD/DOC water quality on-line monitoring method and device by spectrum method

The present invention discloses a kind of spectral non-contact on-line COD/DOC water quality monitoring method and device. In the optical path, there are low pressure mercury lamp as light source, reticule, UV filter and visible light filter, beam splitter and photomultiplier successively. Light beam is made to pass through freely falling water flow and the UV absorbance and the visible light absorbance of the water flow are measured so as to obtain the COD value of water through inversion with the difference between the visible light absorbance and the UV absorbance. The present invention realizes the true on-line COD/DOC water quality monitoring without need of water sample pre-treatment, chemical reagent and regular cleaning.

Control system for blowing of copper converter

The invention discloses a control system for the blowing of a copper converter. The control system comprises a slag forming endpoint detection unit, a copper forming endpoint detection unit and a data processing unit, wherein the slag forming endpoint detection unit is used for acquiring characteristic spectrum emission intensity signals of PbO and PbS in melt in the copper converter on line in a slag forming period; the copper forming endpoint detection unit is used for acquiring a concentration signal of SO2 in the flue gas of the copper converter on line in a copper forming period; the data processing unit is used for performing analytical processing to judge whether the signals acquired by the slag forming endpoint detection unit and the copper forming endpoint detection unit reach slag and copper forming endpoints or not and whether to stop blowing or not. According to the control system, the slag and copper forming endpoints in a blowing process of the copper converter can be accurately ...

Candle is retrieved and is given a new lease of life to device

The utility model discloses a candle is retrieved and is given a new lease of life to device, including the cover body and double teeming box, the cover body with double teeming box screwed connection, the double teeming box is equipped with heating device and mould box, heating device is equipped with the time adjustment ware and the heat source body, double teeming box top is equipped with the recess, the heat source body with the groove phase gomphosis, heat source body below is equipped with the mould box, the utility model provides a pair of candle is retrieved and is given a new lease of life to device can satisfy different shapes, not requirement such as equidimension and different lamp effects, realizes individualized double teeming and pleasing to the eye visual effect, its simple structure is reasonable, need not complicated dismouting method, and the practicality is strong, is applicable to each age level consumer.

Opto-electronic coupled AC multi-liquid level measuring device

The utility model is characterized in that alternating current of power frequency after voltage reduction by a transformer can be supplied to probes, and a photoelectric coupler and a bridge rectifier are combined into a measuring circuit. The numbers of the probes and the circuits can be determined according to various different requirements. The utility model can be used for measuring a plurality of liquid levels by photoelectric isolation, and can be suitable for various liquid with certain conducting performance. The utility model has the advantages of low cost and reliable performance.

Automatic control system for copper converter converting

The invention discloses an automatic control system for copper converter converting, which comprises a slag forming end point detection unit and a copper forming end point detection unit, wherein the slag forming end point detection unit is used for online collecting characteristic spectrum emission intensity signals of PbO and PbS of the melt in the copper converter in the slag forming period; the copper forming end point detection unit is used for online collecting gas concentration signals of SO2 in flue gas in a copper converter gas duct in the copper forming period; a data processing unit is used for analyzing and processing the signals collected by the slag forming end point detection unit and the copper forming end point detection unit to judge whether converting reaches the slag forming end point and the copper forming end point, and performs regulation and control to determine whether blowing out is performed. The control system can accurately judge the slag forming end point and ...

Water body pollution laser induction fluorescence remote-measuring method

The present invention discloses a laser induced fluorescence remote measuring method for water body pollution. It is characterized by that the equipment for implementing said method includes the following several components: Nd:YAG laser, receiving telescope, several fibre bundles, optical filters, photoelectric multiplier and gating device, etc. Said invention also provides the concrete connection mode of all the above-mentioned components and the working principle of said remote measuring method.

Zero calibration method for BRDF measuring system

Copper converter converting control system

The invention discloses a copper converter converting control system which comprises a slag forming end point detection unit and a copper forming end point detection unit, wherein the slag forming end point detection unit is used for online collecting characteristic spectrum emission intensity signals of PbO and PbS of the melt in a copper converter in the slag forming period; the copper forming end point detection unit is used for online collecting gas concentration signals of SO2 in flue gas in a copper converter gas duct A in the copper smelting period; a data processing unit is used for analyzing and processing the signals collected by the slag forming end point detection unit and the copper forming end point detection unit to judge whether the converting reaches the slag forming end point and the copper forming end point, and performs regulation and control to determine whether the blowing out is performed. The control system can accurately judge the slag forming end point and the ...

Non-contact liquid level measuring system

The invention relates to the technical field of sensors and measurement, in particular to a non-contact liquid level measuring system which comprises a probe arranged on the upper side of a liquid storage tank. The probe outputs collected analog video information to a processing module. The processing module comprises an image collection card, an industrial personal computer or a computer. The image collection card converts the analog video information into digital image information. The industrial personal computer or the computer processes the digital image information to extract a liquid level boundary function to obtain liquid level height according to the function. In the whole liquid level, the liquid level boundary is smallest in change, and the boundary liquid level distribution is simulated through an equation by collecting the liquid level image information. When the position of the probe is fixed, the liquid level height can be obtained directly through the liquid level boundary ...

Faulted electrode plate positioning detection device and method for electrolytic bath

The invention relates to the technical field of image treatment, in particular to a faulted electrode plate positioning detection device for an electrolytic bath. The device comprises a thermal imager arranged above or obliquely above the electrolytic bath, wherein the thermal imager is used for acquiring an infrared thermal image of the electrolytic bath and outputting the infrared thermal image to a processing module; the processing module is used for processing the infrared thermal image to obtain the position of the electrode plate, with abnormal temperature, of the electrolytic bath. In addition, the invention further provides a corresponding detection method. According to the device, the process of acquiring the infrared thermal image of the electrolytic bath through the thermal imager, processing the infrared thermal image to obtain a pixel point with abnormal temperature and finally obtaining the corresponding electrode position is automatically carried out and a processing result ...

Atmosphere particles- carbon black aerosol quality and concentration monitor and monitoring method

The invention discloses an atmospheric particle black carbon aerosol quality concentration monitoring instrument, including an air monitoring room. The upper end of the air monitoring room is connected with a suspended absorption electromagnetic iron. The top of the air monitoring room is provided with a LED light source array. The air monitoring room is communicated with an air inlet. The bottompart of the air monitoring room is a glass plate, which is equipped with a breathable window. A quartz filter paper belt is arranged under the air monitoring room. Two reference and measurement photoelectric detectors are arranged under the quartz filter paper belt. One detector is used for reference and another detector is used for test. With an optical attenuation method adopted, the invention has the advantages of good real-time performance, high precision and low cost, improved automation degree, time and labor-saving performance and all-weather automatic continuous operation. The continuous ...

Electrolytic tank pole plate temperature monitoring system

The invention relates to the field of infrared temperature measurement, in particular to an electrolytic tank pole plate temperature monitoring system. The system comprises an infrared thermometer, a driving mechanism and a processing module, wherein the infrared thermometer is arranged above an electrolytic tank; the driving mechanism comprises a motor and a cradle head; the motor and the cradle head are used for driving a scanning mirror of the infrared thermometer and the infrared thermometer to rotate so as to realize scanning of each pole plate of the electrolytic tank; an acquired infrared optical signal is converted into an electric signal by the infrared thermometer and then output to the processing module; the driving mechanism is used for outputting a turn signal of the motor and the cradle head to the processing module; the processing module is used for processing the electric signal into temperature information and calibrating the pole plate at the signal with abnormal temperature ...

Large range automatic calibertape with raster digital display

The utility model discloses a large-range automatic calibertape with raster digital display. One end of a scaleplate raster is connected with a main drive shaft of a torque motor working in a state of blocked rotation and the other end is connected with a workpiece and is dragged by the workpiece to expand and contract. After processed, output signals of a raster coder serve as count pulses of a range counter as well as feedback signals to realize the servo adjustment of the armature current of the torque motor. The utility model is within the measuring range of 0 to 20 m and the measuring accuracy is equal to or less than +/-0.1 mm. The utility model can be used for an automatic production workshop of self-control machine tools and a system design needing certain measuring accuracy.