CN211206151U

CN211206151U - Multifunctional sampling instrument for environmental monitoring

Info

Publication number: CN211206151U
Application number: CN201921111313.9U
Authority: CN
Inventors: 王文娟
Original assignee: Wenzhou Huanxing Environmental Testing Co ltd
Current assignee: Wenzhou Huanxing Environmental Testing Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-08-07
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to an environmental monitoring technical field especially relates to an environmental monitoring uses multi-functional sampling appearance. The sampling instrument comprises a sampling instrument body, a second air pump arranged in the sampling instrument body and a power supply used for controlling the second air pump to work; the second air pump is connected with a particle collecting bottle through a pipeline, and the particle collecting bottle is connected with a particle collector; the particle collector comprises an air supply pipe and a gas collecting pipe, wherein the upper part of the air supply pipe is provided with an opening connected with the particle collecting bottle, the gas collecting pipe is arranged in the air supply pipe, one end of the gas collecting pipe extends out of the air supply pipe to form an air inlet end, and the other end of the gas collecting pipe forms an air outlet end and is arranged at the bottom of the air supply pipe; the air supply pipe and the air collecting pipe respectively comprise an inner shell and an outer shell, a heating cavity is formed between the inner shell and the outer shell, a heating resistance wire and heat conducting oil are arranged between the inner shell and the outer shell, and the heating resistance wire is connected with a power supply; the particle collecting bottle comprises a hard outer protective layer and a soft inner supporting layer for supporting particles, wherein the inner supporting layer is a silica gel layer. The utility model discloses a can be arranged in the environmental monitoring of high humidity environment.

Description

Multifunctional sampling instrument for environmental monitoring

Technical Field

The utility model relates to an environmental monitoring technical field especially relates to an environmental monitoring uses multi-functional sampling appearance.

Background

There are many types of atmospheric samplers. The device can be divided into a gas (including steam) sampling instrument and a particle sampling instrument according to a collection object; according to the using place, the sampling instrument can be divided into an environment sampling instrument, an indoor sampling instrument (such as a sampling instrument used in a factory workshop) and a pollution source sampling instrument (such as a chimney sampling instrument). The sampling instrument is very important to the monitoring of air quality, and present sampling instrument is with gas sampling instrument and air sampling instrument independent use for the sampling instrument function is single, and intelligent degree is low, can not remote operation, and it is inconvenient to use.

The patent document with the application number of CN201620939433.8 discloses such an environment monitoring's multi-functional intelligent sampling appearance, it includes sampling appearance body, wireless remote control receiver, controller, intelligent flowmeter, the terminal surface is provided with liquid crystal display before the sampling appearance body, the liquid crystal display side is provided with the time-recorder, the time-recorder side is provided with the intelligent flowmeter, the controller is provided with in the sampling appearance body, be provided with on the controller the wireless remote control receiver, controller both sides are provided with aspiration pump one and aspiration pump two respectively, the aspiration pump one has gas collecting bottle through the pipe connection, gas collecting bottle is connecting gas collector, gas collector tip is provided with gas sampling mouth, the aspiration pump two is connecting the granule collecting bottle through the pipe connection, the granule collecting bottle is connecting the granule collector, the end part of the particle collector is provided with a particle sampling nozzle.

The utility model discloses a when carrying out particulate matter concentration detection to gaseous particulate matter sampling, if the humidity of sampled gas is bigger, wherein can have tiny droplet, this kind of gas when getting into the granule collector, can cohere in the granule collector, not only causes the sampling failure and still can cause the damage for the collector.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problem, a multi-functional sampling appearance that can be arranged in the environmental monitoring of high humidity environment is provided.

The utility model provides a technical scheme for solving the problems, and provides a multifunctional sampling instrument for environmental monitoring, which comprises a sampling instrument body, a first air pump, a second air pump and a power supply, wherein the first air pump and the second air pump are arranged in the sampling instrument body, and the power supply is used for controlling the first air pump and the second air pump to work; the first air pump is connected with a gas collecting bottle through a pipeline, and the gas collecting bottle is connected with a gas collector; the second air pump is connected with a particle collecting bottle through a pipeline, and the particle collecting bottle is connected with a particle collector; the particle collector comprises an air supply pipe and a gas collecting pipe, wherein the upper part of the air supply pipe is provided with an opening connected with the particle collecting bottle, the bottom of the air supply pipe is closed, the gas collecting pipe is vertically arranged in the air supply pipe, one end of the gas collecting pipe extends out of the air supply pipe to form an air inlet end, and the other end of the gas collecting pipe forms an air outlet end and is arranged at the bottom of the air supply pipe; the air supply pipe and the air collecting pipe respectively comprise an inner shell and an outer shell, a heating cavity is formed between the inner shell and the outer shell, a heating resistance wire and heat conducting oil are arranged between the inner shell and the outer shell, and the heating resistance wire is connected with the power supply; the particle collecting bottle comprises a hard outer protective layer and a soft inner supporting layer for supporting particles, wherein the inner supporting layer is a silica gel layer.

Preferably, a desorption cavity is formed between the inner bearing layer and the outer protective layer, and the desorption cavity is communicated with the heating cavity, and a valve is arranged at the communication position.

Preferably, the receiving surface of the inner receiving layer for receiving the particles is provided with a plurality of silica gel protrusions.

Preferably, the non-bearing surface of the inner bearing layer is provided with a magnet, and the outer protective layer is movably provided with an adsorption piece capable of adsorbing the magnet.

Preferably, the inner bearing layer is connected with the second air pump through a bamboo joint pipe, and a filter plate is arranged in the bamboo joint pipe.

Preferably, a particle sampling nozzle is arranged at the air inlet end of the air collecting pipe, and a plurality of through holes are formed in the pipe wall of the air inlet end; the particle sampling nozzle comprises a first sleeve, a second sleeve, a connecting pipe and a T-shaped sampling nozzle, wherein the first sleeve is sleeved on the air inlet end and provided with a plurality of through holes, the second sleeve is vertically arranged on the first sleeve and communicated with the first sleeve, and the connecting pipe arranged in the second sleeve and the T-shaped sampling nozzle communicated with the connecting pipe are rotated.

Preferably, the connecting tube is a telescopic tube.

Preferably, a wireless remote control receiver is connected to the power supply.

Preferably, the terminal surface is equipped with liquid crystal display before the appearance body of sampling, the liquid crystal display side is equipped with the time-recorder, the time-recorder side is equipped with intelligent flowmeter.

The utility model has the advantages that:

1. the pipeline design of granule collector is bilayer structure for heating resistor wire and conduction oil in the intermediate layer can preheat the granule collector, and can heat the appearance gas that gets into the granule collector, gasifies the droplet in the appearance gas, prevents that the condensate water from mixing the granule and cohering in the granule collector together. In this application, particle collector and sample gas have all been heated, and different from prior art, send into particle collector after only heating the granule-containing gas, the sample gas that the temperature is higher meets the particle collector that the temperature is lower this moment, and vapor in it also probably condenses into the water droplet, and wraps up the granule and attaches to particle collector.

2. The sample gas is sent into the particle collecting bottle through the particle collector, in order to reduce energy consumption and prevent the water vapor in the sample gas from condensing in the particle collecting bottle again, a silica gel layer capable of adsorbing water is arranged in the particle collecting bottle so as to dehumidify the sample gas and facilitate subsequent detection and cleaning of the particle collecting bottle.

3. After the sample gas is collected, the waste heat in the heating cavity of the particle collector can be sent to the desorption cavity for desorbing the moisture of the silica gel, so that the subsequent repeated use is facilitated. Meanwhile, the silica gel layer is flexible, so that the size of the space of the desorption cavity can be changed by changing the shape of the silica gel layer, and the desorption cavity can generate positive pressure and negative pressure to absorb or discharge heat conduction oil to the heating cavity.

4. This sampling instrument can gather gaseous pollutants and granule simultaneously to guarantee the velocity of flow that gaseous was gathered and the many sampling points that the granule was gathered, can remote control operation, convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of a multifunctional sampler for environmental monitoring;

FIG. 2 is a schematic structural diagram of a particle collection bottle in the multifunctional sampler for environmental monitoring;

in the figure: the sampler comprises a sampler body 1, a liquid crystal display screen 11, a first air pump 21, a second air pump 22, a power supply 3, a gas collecting bottle 41, a gas collector 42, a particle collecting bottle 51, an outer protective layer 511, an inner bearing layer 512, a magnet 513, an adsorption piece 514, a particle collector 52, an air feed pipe 521, a gas collecting pipe 522, a heating cavity 523, a first sleeve 531, a second sleeve 532, a connecting pipe 533, a T-shaped sampling nozzle 534, a wireless remote control receiver 6, a timer 7 and an intelligent flowmeter 8.

Detailed Description

The following are embodiments of the present invention and the accompanying drawings are used to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

A multifunctional sampler for environmental monitoring is shown in figure 1 and comprises a sampler body 1, a first air pump 21, a second air pump 22 and a power supply 3, wherein the first air pump 21 and the second air pump 22 are arranged in the sampler body; the first air pump 21 is connected with a gas collecting bottle 41 through a pipeline, and the gas collecting bottle 41 is connected with a gas collector 42; the second suction pump 22 is connected with a particle collecting bottle 51 through a pipeline, and the particle collecting bottle 51 is connected with a particle collector 52; the particle collector 52 comprises an air feed pipe 521 with an opening at the upper part connected with the particle collecting bottle 51 and a closed bottom, and a gas collecting pipe 522 vertically arranged in the air feed pipe 521, wherein one end of the gas collecting pipe 522 extends out of the air feed pipe 521 to form an air inlet end, and the other end of the gas collecting pipe 522 forms an air outlet end and is arranged at the bottom of the air feed pipe 521; the air supply pipe 521 and the air collection pipe 522 both comprise an inner shell and an outer shell, a heating cavity 523 is formed between the inner shell and the outer shell, a heating resistance wire and heat conduction oil are arranged, and the heating resistance wire is connected with the power supply 3.

The gas collecting pipe 522 can stabilize the speed of the gas flow, and is convenient for collecting the gas. For collecting particles, the power supply 3 is turned on to heat the resistance wire to preheat the particle collector 52, and then the second suction pump 22 is turned on to collect the sample gas along the preheated particle collector 52 into the particle collection bottle 51.

Meanwhile, in order to reduce energy consumption and prevent the water vapor in the sample gas from being condensed again in the particle collection bottle 51, as shown in fig. 2, the particle collection bottle 51 includes a hard outer protective layer 511 and a soft inner receiving layer 512 for receiving the particles, and the inner receiving layer 512 is a silica gel layer, and the silica gel layer absorbs moisture from the sample gas in the particle collection bottle 51. The inner bearing layer 512 is connected with the second air pump 22 through a bamboo joint pipe, and a filter plate is arranged in the bamboo joint pipe.

After sampling, in order to reuse the silica gel layer, the silica gel needs to be desorbed, so that a desorption cavity is formed between the inner receiving layer 512 and the outer protective layer 511, the desorption cavity is communicated with the heating cavity 523, and a valve is arranged at the communication position. After the air in the desorption cavity is exhausted by extruding the inner bearing layer 512, the guide pipe communicated with the heating cavity 523 is connected, the inner bearing layer 512 is released from being pressed, the desorption cavity recovers to be normal in size, meanwhile, heat conduction oil with waste heat is absorbed, and moisture is desorbed by the silica gel layer through heat energy.

The size of the desorption chamber can be changed by a magnetic structure, that is, the magnet 513 is disposed on the non-receiving surface of the inner receiving layer 512, and the adsorbing member 514 capable of adsorbing the magnet 513 is movably disposed outside the outer protection layer 511. When the adsorption member 514 moves from the bottom of the outer protection layer 511 to the top of the outer protection layer 511, the desorption chamber space becomes large.

In addition, in order to improve the dehumidification efficiency of the silica gel layer, the receiving surface of the inner receiving layer 512 for receiving the particles is provided with a plurality of silica gel protrusions to increase the contact area. Meanwhile, since the inner receiving layer 512 is soft, it can be turned over the outer protection layer 511 for cleaning.

The air inlet end of the air collecting pipe 522 is provided with a particle sampling nozzle, and the pipe wall of the air inlet end is provided with a plurality of through holes; the particle sampling nozzle comprises a first sleeve 531, a second sleeve 532, a connecting pipe 533 and a T-shaped sampling nozzle 534, wherein the first sleeve 531 is sleeved on the air inlet end and provided with a plurality of through holes, the second sleeve 532 is vertically arranged on the first sleeve 531 and communicated with the first sleeve 531, and the connecting pipe 533 and the T-shaped sampling nozzle 534 are rotatably arranged in the second sleeve 532. The connection tube 533 is a telescopic tube. Therefore, multi-point and multi-angle sampling is realized.

The power supply 3 is connected with a wireless remote control receiver 6, and the wireless remote control receiver 6 can receive remote control information, so that remote control operation is facilitated.

For further improving its result of use, the terminal surface is equipped with liquid crystal display 11 before the sampling appearance body 1, and 11 sides of liquid crystal display are equipped with time-

recorder

7, and 7 sides of time-recorder are equipped with intelligent flowmeter 8.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a multi-functional sampling appearance is used in environmental monitoring which characterized in that: the sampling instrument comprises a sampling instrument body (1), a first air pump (21), a second air pump (22) and a power supply (3), wherein the first air pump (21) and the second air pump (22) are arranged in the sampling instrument body; the first air pump (21) is connected with a gas collecting bottle (41) through a pipeline, and the gas collecting bottle (41) is connected with a gas collector (42); the second air pump (22) is connected with a particle collecting bottle (51) through a pipeline, and the particle collecting bottle (51) is connected with a particle collector (52); the particle collector (52) comprises an air supply pipe (521) and a gas collection pipe (522), wherein the upper part of the air supply pipe (521) is provided with an opening connected with the particle collecting bottle (51), the bottom of the air supply pipe is closed, the gas collection pipe (522) is vertically arranged in the air supply pipe (521), one end of the gas collection pipe (522) extends out of the air supply pipe (521) to form an air inlet end, the other end of the gas collection pipe forms an air outlet end, and the gas collection pipe is arranged at the bottom of the; the air supply pipe (521) and the air collection pipe (522) both comprise an inner shell and an outer shell, a heating cavity (523) is formed between the inner shell and the outer shell, a heating resistance wire and heat conduction oil are arranged between the inner shell and the outer shell, and the heating resistance wire is connected with the power supply (3); the particle collecting bottle (51) comprises a hard outer protective layer (511) and a soft inner bearing layer (512) for bearing particles, wherein the inner bearing layer (512) is a silica gel layer.

2. The multifunctional sampling instrument for environmental monitoring according to claim 1, characterized in that: form between interior layer (512) and the outer protective layer (511) of accepting and release the chamber, release the chamber with the heating chamber intercommunication, just intercommunication department is equipped with the valve.

3. The multifunctional sampling instrument for environmental monitoring according to claim 1, characterized in that: the bearing surface of the inner bearing layer (512) for bearing the particles is provided with a plurality of silica gel bulges.

4. The multifunctional sampling instrument for environmental monitoring according to claim 3, characterized in that: the non-bearing surface of the inner bearing layer (512) is provided with a magnet (513), and an adsorption piece (514) capable of adsorbing the magnet (513) is movably arranged outside the outer protection layer (511).

5. The multifunctional sampling instrument for environmental monitoring according to claim 4, characterized in that: the inner bearing layer (512) is connected with the second air pump (22) through a bamboo joint pipe, and a filter plate is arranged in the bamboo joint pipe.

6. The multifunctional sampling instrument for environmental monitoring according to claim 1, characterized in that: a particle sampling nozzle is arranged at the air inlet end of the air collecting pipe (522), and a plurality of through holes are formed in the pipe wall of the air inlet end; the particle sampling nozzle comprises a first sleeve (531) which is sleeved on the air inlet end and provided with a plurality of through holes, a second sleeve (532) which is vertically arranged on the first sleeve (531) and communicated with the first sleeve (531), a connecting pipe (533) which is rotatably arranged in the second sleeve (532) and a T-shaped sampling nozzle (534) which is communicated with the connecting pipe (533).

7. The multifunctional sampling instrument for environmental monitoring according to claim 6, characterized in that: the connecting pipe (533) is a telescopic pipe.

8. The multifunctional sampling instrument for environmental monitoring according to claim 1, characterized in that: the power supply (3) is connected with a wireless remote control receiver (6).

9. The multifunctional sampling instrument for environmental monitoring according to claim 1, characterized in that: the end surface is equipped with liquid crystal display (11) before sampling appearance body (1), liquid crystal display (11) side is equipped with time-recorder (7), time-recorder (7) side is equipped with intelligent flowmeter (8).