CN103592417A - Device for automatically and continuously measuring content of ammonia gas or hydrogen sulfide in loosened materials - Google Patents

Device for automatically and continuously measuring content of ammonia gas or hydrogen sulfide in loosened materials Download PDF

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Publication number
CN103592417A
CN103592417A CN201310558150.XA CN201310558150A CN103592417A CN 103592417 A CN103592417 A CN 103592417A CN 201310558150 A CN201310558150 A CN 201310558150A CN 103592417 A CN103592417 A CN 103592417A
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China
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gas
rod
connector
probe
gas circuit
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CN201310558150.XA
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Chinese (zh)
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陈俊
彭淑婧
高定
郑海霞
杜伟
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Beijing Green Tech Environmental Engineering Co Ltd
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Beijing Green Tech Environmental Engineering Co Ltd
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Priority to CN201310558150.XA priority Critical patent/CN103592417A/en
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Abstract

The invention discloses a device for automatically and continuously measuring the content of ammonia gas or hydrogen sulfide in loosened materials. The device mainly comprises a detection rod, a box body and a computer, wherein the detection rod comprises a rod body, a connecting body, a probe and a gas channel pipe; the rod body of the detection rod is a hollow metal pipe, the surface of the rod body is coated with an organic macromolecular preservative layer and is graduated, and the gas channel pipe is inserted into the rod body; the connecting body is a hollow pipe with screw threads at the upper and lower parts, the upper part of the connecting body is screwed with the lower end of the detection rod, the lower end of the connecting body is screwed with the probe, a gas hole is formed in the middle of the connecting body, and a filtering pipe is sleeved outside the connecting body; the lower end of the gas channel pipe is connected with a conical connector of the connecting body; the probe is an inverted conical metal body and is arranged at the lower end of the rod body, so that the detection rod can be conveniently inserted into an object to be detected; a gas pump, a gas-water separator, an electromagnetic valve, a reaction chamber, a signal transmitter and the like are fixedly arranged in the box body; gas is pumped from the object to be detected by the gas pump, water is filtered through the gas-water separator, the gas is fed into the reaction chamber, an electric signal obtained by a sensor in the reaction chamber is converted into a digital signal through a signal conversion module and is transmitted into the computer, and the ammonia gas concentration is directly displayed and stored in the computer.

Description

The device of ammonia or hydrogen sulfide content in a kind of continuous automatic measurement bulk material
Technical field
The invention belongs to a kind of device of continuously, automatically measuring ammonia, hydrogen sulfide content, relate in particular to a kind of mensuration of measuring ammonia, hydrogen sulfide content in the loose porous materials such as solid waste.
Background technology
Ammonia is a kind of common pungency dusty gas, extensively results from organic materials sweat, is one of composting plant, landfill yard main odorous gas that surrounding enviroment are polluted.When Ammonia in Air gas concentration is higher in factory floor, can threaten that operating personnel's is healthy.Meanwhile, in fertilizer process, the release of ammonia can cause nitrogen loss in material, and fertilizer efficiency is reduced.Owing to lacking the pick-up unit of ammonia concentration in heap body internal gas, make to be difficult to control in composting plant operational process generation and the release of ammonia, cause fertilizer efficiency loss, pollute workshop condition.And sulfuretted hydrogen is a kind of common odor pollution gas, its smelly threshold value is extremely low, very serious to the pollution of environment.Sulfuretted hydrogen very easily rots at material, produce in sweat, thereby composting plant, landfill yard and surrounding enviroment are polluted.When Air Hydrogen Sulfide concentration is higher, can threaten operating personnel's healthy and even life security.
The root of composting plant and refuse landfill odor pollution is the waste gas that heap body discharges, and owing to lacking the detection means of odorous gas in heap body internal gas, makes to be difficult to reduce in operational process the discharge of odorous gas.So the inner ammonia of invention material and hydrogen sulfide content pick-up unit, for optimizing composting plant and garbage loading embeading factory operational factor, reduce ammonia, hydrogen sulfide emission, improves plant environment, attended operation personnel are healthy, reduce fertilizer efficiency loss, significant.
The measurement mechanism of ammonia or sulfuretted hydrogen is mainly for measuring the content of Ammonia in Air gas or sulfuretted hydrogen at present.Mensuration for ammonia and sulfuretted hydrogen in the porous mediums such as solid waste, generally to take back use for laboratory chemical analysis methods with pump extracting gases, this analytical approach inefficiency, the inner content of determining position ammonia, sulfuretted hydrogen of reflection stockpile body, is difficult to realize the generation of controlling ammonia, sulfuretted hydrogen in biological fermentation process in time.
Summary of the invention
The object of the present invention is to provide a kind of device of measuring ammonia in loose solid medium, hydrogen sulfide content, be especially suitable for measuring ammonia, hydrogen sulfide content in compost heap body, landfill yard heap body, and by data storing in computing machine.This device can be realized continuously, automatically gathering of data, and unmanned, has really realized the automatic continuous monitoring of ammonia, sulfuretted hydrogen under field condition.
For achieving the above object, the invention provides the device of ammonia in a kind of continuous automatic measurement bulk material or hydrogen sulfide content, it is characterized in that, comprise feeler lever, box body and computing machine, wherein:
Feeler lever consists of the body of rod, connector, probe, gas circuit pipe and handle: the body of rod of feeler lever is the metal tube of a hollow, and upper end is provided with handle, and inside is provided with gas circuit pipe, and outside indicates scale, and scale zero is connector pore center;
One connector, is equal threaded hollow tube up and down, and the lower end of top and the body of rod screws togather, and the upper end of bottom and probe screws togather; Connector middle part has some pores; Connector outer cover strainer tube; Connector inside is provided with a tapered hollow tubular configured joint, and this joint is connected with the gas circuit pipe lower end of feeler lever inside;
One probe, is turbination solid metal body, and cone upper end is provided with screw thread, screws togather with connector lower end;
One box body, has been installed with an air pump, a moisture trap, a solenoid valve, a sampler chamber and a signal transmitting device in box body; The gas circuit pipe of feeler lever inside is connected with the air intake opening of air pump in box body, the outlet side of air pump is connected with moisture trap air intake opening, moisture trap gas outlet is connected with sampler chamber air intake opening, moisture trap lower end freeing port is connected with solenoid valve, ammonia or hydrogen sulfide sensor are installed in sampler chamber, sensor gained electric signal is converted to digital signal through data conversion module and sends into computing machine, by Computer display acquired results and be stored under specified path.
Further, described feeler lever scribbles organic polymer protective seam outward.
Further, described feeler lever scribbles teflon protective seam outward.
Further, described body of rod inside plugs gas circuit Guan Weitong, stainless steel or teflon material.
Further, described connector is copper, stainless steel or plastics.
Further, described probe is copper or stainless steel.
Further, the flow of described air pump is 300~3000mL/min.
Further, described sampler chamber is copper, stainless steel or plastics.
That the present invention has is anticorrosive, anti-aging, acid and alkali-resistance, the feature such as durable in use, is specially adapted to on-site measurement and the continuous monitoring of ammonia, hydrogen sulfide content in the loose solid mediums such as compost heap body and Landfill.
Accompanying drawing explanation
For making that the present invention is had to further understanding, with preferred embodiments, also elaborate by reference to the accompanying drawings below, wherein:
Fig. 1 is that the integral body of preferred embodiments of the present invention forms schematic diagram.
Fig. 2 is feeler lever and handle schematic diagram in above-mentioned example.
Fig. 3 is box body schematic diagram in above-mentioned example.
Fig. 4 is the schematic diagram of connector in above-mentioned example.
Fig. 5 is the schematic diagram of popping one's head in above-mentioned example.
Fig. 6 is that the present invention piles in body at sludge composting, a measured ammonia dynamic changing process of air blast cycle.
Wherein, 1-feeler lever, 2-handle, 3-gas circuit pipe; 4-box body, 5-air-water separation chamber, 6-gas circuit pipe, 7-sampler chamber; 8-solenoid valve, 9-gas circuit pipe, 10-sampler chamber, 11-sensor; 12-cable, 13-computing machine, the 14-body of rod, 15-scale; 16-polymer protection layer, 17-probe, 18-screw thread, 19-connector; 20-screw thread, 21-taper joint, 22-pore, 23-strainer tube.
Embodiment
Example 1
The device of this example is shown in Fig. 1, and wherein the shape of each parts, structure and annexation are each other respectively as shown in Fig. 2~Fig. 5.
Embodiment 1
The device of the present embodiment is referring to Fig. 1, and wherein the shape of each parts, structure and annexation are each other respectively as shown in Fig. 2~Fig. 5.
Refer to Fig. 2~Fig. 5, feeler lever 1 is by the body of rod 14, handle 2, connector 19 and pop one's head in and 17 form.The body of rod 14 is the metal tube of a hollow, external diameter 8~12mm, and wall thickness 1~2mm, its upper end screws togather or welds one handle 2, for gripping and plug this device.For preventing acid and alkali corrosion, the machine that the is externally coated with macromolecular material protective seam 16 of the body of rod 14, the protective seam of the present embodiment is teflon, and indicates scale 15, inserts the degree of depth of determinand to control probe.In the body of rod 14, plug a gas circuit pipe 3, this gas circuit pipe 3 can be made of stainless steel or other anti-corrosion materials, and the present embodiment adopts polytetrafluoroethylmaterial material to make, its internal diameter is 1~2mm, this example adopts 1mm, and its external diameter is less than the internal diameter of the body of rod 14, to be inserted in easily in the body of rod 14.Gas circuit pipe 3 lower ends plug and are connected with connector 19 upper end taper joints 21, after connection, connector 19 upper ends and the body of rod 14 lower ends are screwed togather, and 20 is screw thread, and connector middle part has pore 22, so that connector inside and exterior, aperture 3mm.Connector 21 outer cover strainer tubes 23, prevent that particle from stopping up gas circuit pipe 3, strainer tube 23 can be made of stainless steel or other anti-corrosion materials, 1~4 layer of sleeve pipe can be set, air vent aperture can arrange according to the particle particle size of gas in determinand, adopts the stainless-steel tube that four layers of pore size are 0.5~6mm in the present embodiment.In determinand, gas can freely enter connector inside by strainer tube 23 and pore 22, thereby enters gas circuit pipe 3.Gas circuit pipe 3 ends enter can 4 and are connected with air pump 5 air intake openings, and air pump gas outlet is connected with moisture trap 7 air intake openings by gas circuit pipe 6, and moisture trap lower drain port leads to can outside through drainpipe and solenoid valve 8, and the moisture of filtration is regularly discharged thus.Filtrator gas outlet is connected with sampler chamber 10 through gas circuit pipe 9, gas through sampler chamber by the tubes rows air of coming in and going out.The electric signal that sensor obtains is sent into computing machine 13 by signal cable 12 after 11 conversions of signal transmitting device are amplified.
During use, the feeler lever of this device is inserted in tested material, connect aspiration pump power supply, in the present invention, the flow of aspiration pump is 300~3000mL/min, and the present embodiment aspiration pump flow is 750mL/min.Under the effect of aspiration pump, gas in tested material enters moisture trap through probe, gas circuit pipe, aspiration pump, and gas enters sampler chamber, the sensor in sampler chamber and gaseous sample effect generation current signal after by filtering moisture, after transmitter conversion, input computing machine, warp
Figure BDA0000412180950000041
software directly shows and is stored under computing machine respective directories.The sampler chamber structure, signal transmitting and the computing machine connection that due to the present invention, adopt are known technology, and the present invention is not described in detail.
As can be seen from the above, compact conformation of the present invention, easy to operate, by computing machine, complete reading, storing of data, removed lab analysis link from, alleviated manual operation intensity, analysis speed is fast, and data result is accurate.Directly from material to be measured, extracting gases carries out on-the site analysis, has accomplished the in situ detection of gas content, has guaranteed the accuracy of data, can realize the on-the-spot continuous detecting of data.

Claims (7)

1. a device for ammonia or hydrogen sulfide content in continuous automatic measurement bulk material, is characterized in that, comprises feeler lever, box body and computing machine, wherein:
Feeler lever consists of the body of rod, connector, probe, gas circuit pipe and handle: the body of rod of feeler lever is the metal tube of a hollow, and upper end is provided with handle, and inside is provided with gas circuit pipe, and outside indicates scale, and scale zero is connector pore center;
One connector, is equal threaded hollow tube up and down, and the lower end of top and the body of rod screws togather, and the upper end of bottom and probe screws togather; Connector middle part has some pores; Connector outer cover strainer tube; Connector inside is provided with a tapered hollow tubular configured joint, and this joint is connected with the gas circuit pipe lower end of feeler lever inside;
One probe, is turbination solid metal body, and cone upper end is provided with screw thread, screws togather with connector lower end;
One box body, has been installed with an air pump, a moisture trap, a solenoid valve, a sampler chamber and a signal transmitting device in box body; The gas circuit pipe of feeler lever inside is connected with the air intake opening of air pump in box body, the outlet side of air pump is connected with moisture trap air intake opening, moisture trap gas outlet is connected with sampler chamber air intake opening, moisture trap lower end freeing port is connected with solenoid valve, ammonia or hydrogen sulfide sensor are installed in sampler chamber, sensor gained electric signal is converted to digital signal through data conversion module and sends into computing machine, by Computer display acquired results and be stored under specified path.
2. install as claimed in claim 1, it is characterized in that, described body of rod outside scribbles organic polymer protective seam.
3. install as claimed in claim 1, it is characterized in that, described probe is copper or stainless steel.
4. install as claimed in claim 1, it is characterized in that the gas circuit Guan Weitong that described body of rod inside plugs, stainless steel or teflon material.
5. install as claimed in claim 1, it is characterized in that, described connector is copper, stainless steel or plastics.
6. install as claimed in claim 1, it is characterized in that, the flow of described air pump is 300~3000mL/min.
7. install as claimed in claim 1, it is characterized in that, described sampler chamber is copper, stainless steel or plastics.
CN201310558150.XA 2013-11-12 2013-11-12 Device for automatically and continuously measuring content of ammonia gas or hydrogen sulfide in loosened materials Pending CN103592417A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104515551A (en) * 2015-01-22 2015-04-15 北京中科博联环境工程有限公司 Automatic telescopic detector
CN108469499A (en) * 2018-03-22 2018-08-31 郑州轻工业学院 A kind of compost gas intelligent detection device and system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870855A (en) * 1987-12-22 1989-10-03 Delphian Corporation Gas sensor protection devices and assemblies
WO1993004004A1 (en) * 1991-08-12 1993-03-04 Technolizenz Establishment Computerized chemical injection system for hydrogen sulfide control in a waste water stream
CN1397796A (en) * 2002-08-21 2003-02-19 陈同斌 Equipment for continuously and automatically measuring oxygen content in loose solid medium
CN101968424A (en) * 2010-08-31 2011-02-09 清华大学 Detector for detecting porous matrix air temperature humidity and oxygen and ammonia concentrations

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870855A (en) * 1987-12-22 1989-10-03 Delphian Corporation Gas sensor protection devices and assemblies
WO1993004004A1 (en) * 1991-08-12 1993-03-04 Technolizenz Establishment Computerized chemical injection system for hydrogen sulfide control in a waste water stream
CN1397796A (en) * 2002-08-21 2003-02-19 陈同斌 Equipment for continuously and automatically measuring oxygen content in loose solid medium
CN101968424A (en) * 2010-08-31 2011-02-09 清华大学 Detector for detecting porous matrix air temperature humidity and oxygen and ammonia concentrations

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104515551A (en) * 2015-01-22 2015-04-15 北京中科博联环境工程有限公司 Automatic telescopic detector
CN108469499A (en) * 2018-03-22 2018-08-31 郑州轻工业学院 A kind of compost gas intelligent detection device and system
CN108469499B (en) * 2018-03-22 2020-11-03 郑州轻工业学院 Composting gas intelligent detection device and system

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Application publication date: 20140219