CN211799902U

CN211799902U - Sulfuric acid mist sampling device applied to waste gas

Info

Publication number: CN211799902U
Application number: CN201922213698.6U
Authority: CN
Inventors: 梅国梁; 王小帅; 王志伟
Original assignee: Urumchi Pony Testing Technology Co ltd
Current assignee: Urumchi Pony Testing Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-10-30
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a be applied to sulfuric acid mist sampling device in waste gas, its structure is including placing the box, this sulfuric acid mist sampling device, the utility model discloses a first connecting pipe outside has set up the heating sampling pipe, and the heater strip through the inside setting of heating sampling pipe can reduce the moisture content in the waste gas, and the effectual absorption liquid that prevents in the absorption bottle increases after the sampling is ended, avoids receiving the influence as a result, has set up the anti-backflow exhaust mechanism through collecting between empty bottle and the drying bottle simultaneously, and the effectual gas emergence after having avoided carrying on the drying flows backwards, influences the result of flow measurement.

Description

Sulfuric acid mist sampling device applied to waste gas

Technical Field

The utility model relates to an environment detection technology field, concretely relates to be applied to sulfuric acid mist sampling device in waste gas.

Background

Sulfuric acid mist is also called acid mist, generally refers to mist formed by a large amount of floating sulfuric acid particles, is caused by sulfur oxide-containing waste gas discharged in the processes of fossil fuel combustion, mineral smelting, sulfuric acid generation and the like, is an air pollution phenomenon, generally refers to mist formed by sulfuric acid particles with the diameter of less than 3 microns in the air, and is one of secondary pollutants in the air, waste gas, smoke and the like discharged by fossil fuel (coal, petroleum and the like) combustion, sulfuric acid production and use processes and motor vehicles are important sources of the sulfuric acid mist in the environment, and the sulfuric acid mist in the waste gas needs to be sampled in the process of detection.

The existing sampling device adopts two impact absorption bottles in the process of sampling sulfuric acid mist in waste gas, and due to the fact that the two impact absorption bottles are adopted, the situation that moisture content in the waste gas is large is often met, the volume of absorption liquid in the absorption bottles is increased after sampling is finished, and the result is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, present a sulfuric acid mist sampling device who is applied to in waste gas, solved current sampling device and in-process to sampling the sulfuric acid mist in the waste gas, adopted two impact absorption bottle, because the in-process of adoption, often meet the very big condition of moisture content in the waste gas, lead to absorbing liquid volume increase after the sampling in the absorption bottle, the problem that the result received the influence.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a sulfuric acid mist sampling device applied to waste gas, which comprises a placing box, a collecting empty bottle and a backflow prevention exhaust mechanism, wherein a pressure tube is arranged inside the placing box, the right end of the collecting empty bottle is provided with a drying bottle and communicated with the drying bottle, the backflow prevention exhaust mechanism is arranged at the joint between the collecting empty bottle and the drying bottle, the backflow prevention exhaust mechanism comprises an air inlet pipe, a sealing shell, an air outlet pipe, a fixed block, a one-way rotating shaft, a one-way opening and closing plate, a through hole plate and a backflow prevention through hole, the left end of the air inlet pipe is fixedly arranged at the right end side of the collecting empty bottle and communicated with the right end of the air inlet pipe, the right end of the air inlet pipe is fixedly arranged inside the sealing shell and communicated with the air outlet pipe, the right end of the air outlet pipe is fixedly arranged at the, fixed block internally mounted has one-way axis of rotation, the fixed block passes through one-way axis of rotation and one-way switching board upper end looks articulated, one-way switching board is located the inside middle-end of sealed shell, the through-hole board is installed inside the outlet duct, the inside through-going of through-hole board has prevents down the opening.

Furthermore, the upper end of the pressure tube penetrates through the pitot tube, the pitot tube is positioned under the heating sampling tube, a first connecting tube penetrates through the heating sampling tube, the right end of the first connecting tube is arranged inside and communicated with the mouth of a first absorption bottle, the first absorption bottle is arranged at the left end inside the water tank, the right end of the first absorption bottle is provided with an exhaust connecting tube and communicated with the first absorption bottle, the right end of the exhaust connecting tube is arranged inside and communicated with the mouth of a second absorption bottle, the right end of the second absorption bottle is provided with a second connecting tube and communicated with the second absorption bottle, the right end of the second connecting tube is arranged inside and communicated with the mouth of a collection empty bottle, a flow metering tube is arranged inside and communicated with the mouth of a drying bottle, the tail end of the flow metering tube is provided with a flowmeter, the placing box is internally provided with a thermometer, and the thermometer is, place the inside hygrometer that is equipped with of box to the hygrometer is inconsistent with taking the pressure tube.

Furthermore, a heating wire is wound inside the heating sampling pipe and is in a spiral shape.

Furthermore, the first absorption bottle and the second absorption bottle are consistent in shape and size and are communicated through an exhaust connecting pipe, and a sealing gasket is arranged at the joint.

Furthermore, the pipe diameters of the air inlet pipe and the air outlet pipe are consistent, and sealing gaskets are arranged at the joint of the air inlet pipe and the sealing shell and the joint of the sealing shell and the air outlet pipe.

Further, fixed block, one-way axis of rotation and one-way switching board all are equipped with two, are upper and lower symmetrical structure to the end of two one-way switching boards is inconsistent.

Furthermore, the through hole plate is of a disc-shaped structure, the diameter of the through hole plate is consistent with the inner pipe diameter of the air outlet pipe, and the anti-backflow through hole is of a structure with a wide air inlet end and a narrow air outlet end.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for solving current sampling device and carrying out the in-process of sampling to the sulfuric acid mist in the waste gas, adopt the absorption bottle of two impacted style, because the in-process of adoption, often meet the very big condition of moisture content in the waste gas, lead to absorbing the absorption liquid volume increase after the sampling in the absorption bottle, the problem that the result received the influence, heating sampling pipe has been set up through first connecting pipe outside, the heater strip through heating sampling pipe inside setting can reduce the moisture content in the waste gas, effectual absorption liquid volume increase after the sampling in the prevention absorption bottle, avoid the result to receive the influence, prevent down-flow exhaust mechanism through having set up between collection empty bottle and the drying bottle simultaneously, the effectual gas after having avoided carrying out the drying takes place the refluence, influence flow measurement's result.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partial internal structure of the sampling device of the present invention;

fig. 3 is a schematic perspective view of the backflow prevention exhaust mechanism of the present invention;

fig. 4 is the internal structure schematic diagram of the backflow prevention exhaust mechanism of the present invention.

In the figure: the device comprises a placing box-1, a pressure pipe-2 with a pressure pipe, a pitot tube-3, a heating sampling pipe-4, a first connecting pipe-5, a first absorption bottle-6, a water tank-7, an exhaust connecting pipe-8, a second absorption bottle-9, a second connecting pipe-10, an empty collection bottle-11, a backflow prevention exhaust mechanism-12, a drying bottle-13, a flow metering pipe-14, a flow meter-15, a thermometer-16, a hygrometer-17, an air inlet pipe-121, a sealing shell-122, an air outlet pipe-123, a fixing block-124, a one-way rotating shaft-125, a one-way opening and closing plate-126, a through hole plate-127 and a backflow prevention through hole-128.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3 and 4, the present invention provides a sulfuric acid mist sampling device applied to exhaust gas: the anti-backflow air exhausting mechanism 12 comprises a placing box 1, an empty collecting bottle 11 and an anti-backflow air exhausting mechanism 12, a pressure pipe 2 is arranged inside the placing box 1, a drying bottle 13 is arranged at the right end of the empty collecting bottle 11 and is communicated with the empty collecting bottle 13, the anti-backflow air exhausting mechanism 12 is arranged at the joint between the empty collecting bottle 11 and the drying bottle 13 and comprises an air inlet pipe 121, a sealing shell 122, an air outlet pipe 123, a fixing block 124, a one-way rotating shaft 125, a one-way opening and closing plate 126, a through hole plate 127 and an anti-backflow through hole 128, the left end of the air inlet pipe 121 is fixedly arranged on the right end side face of the empty collecting bottle 11 and is communicated with the right end of the air inlet pipe 121, the right end of the sealing shell 122 is communicated with the air outlet pipe 123, the right end of the air outlet pipe 123 is fixedly arranged on, fixed block 124 is articulated mutually through one-way axis of rotation 125 and one-way switching board 126 upper end for one-way switching board 126 carries out the switching around one-way axis of rotation 125, and one-way switching board 126 is located the inside middle-end of sealed shell 122, and inside the outlet duct 123 was installed to through hole board 127, and through hole board 127 is inside to run through to have anti-backflow through-hole 128, prevents that gaseous emergence refluence.

Wherein the upper end of the pressure tube 2 penetrates through the pitot tube 3, the pitot tube 3 is positioned under the heating sampling tube 4, the first connecting tube 5 penetrates through the heating sampling tube 4, the right end of the first connecting tube 5 is arranged inside and communicated with the mouth of a first absorption bottle 6, the first absorption bottle 6 is arranged at the left end inside a water tank 7, the right end of the first absorption bottle 6 is provided with an exhaust connecting tube 8 and communicated with the mouth of the first absorption bottle, the right end of the exhaust connecting tube 8 is arranged inside and communicated with the mouth of a second absorption bottle 9, the right end of the second absorption bottle 9 is provided with a second connecting tube 10 and communicated with the second connection tube, the right end of the second connecting tube 10 is arranged inside and communicated with the mouth of an empty collection bottle 11, the inside of a dry bottle 13 is provided with a flow measuring tube 14 and communicated with the mouth of the dry bottle, and the tail end of the, the inside thermometer 16 that is equipped with of box 1 is placed to thermometer 16 is inconsistent with taking pressure tube 2, place the inside hygrometer 17 that is equipped with of box 1, and hygrometer 17 is inconsistent with taking pressure tube 2.

Wherein, the heating sampling pipe 4 is internally wound with a heating wire which is spiral, thereby being beneficial to reducing the moisture content of the waste gas.

The first absorption bottle 6 and the second absorption bottle 9 are consistent in shape and size and are communicated through the exhaust connecting pipe 8, and a sealing gasket is arranged at the joint to avoid gas leakage.

The pipe diameters of the gas inlet pipe 121 and the gas outlet pipe 123 are consistent, and sealing gaskets are arranged at the joint of the gas inlet pipe 121 and the sealing shell 122 and the joint of the sealing shell 122 and the gas outlet pipe 123, so that gas leakage is prevented.

The two fixing blocks 124, the two unidirectional rotating shafts 125 and the two unidirectional opening and closing plates 126 are arranged and are of a vertically symmetrical structure, and the tail ends of the two unidirectional opening and closing plates 126 are mutually abutted, so that the effect of preventing gas from flowing backwards is facilitated.

The through hole plate 127 is of a disc-shaped structure, the diameter of the through hole plate 127 is consistent with the inner pipe diameter of the air outlet pipe 123, the anti-backflow hole 128 is of a structure that the air inlet end is wide and the air outlet end is narrow, and the through hole plate 127 can be better installed inside the air outlet pipe 123.

The working principle is as follows: before use, the sampling device is firstly horizontally placed, and waste gas is communicated through a first connecting pipe 5; in use, in the first step, the exhaust gas is absorbed through the first connecting pipe 5, the pressure of the exhaust gas is measured through the pressure pipe 2, the temperature and the humidity in the exhaust gas are respectively measured through the thermometer 16 and the hygrometer 17, and the moisture content in the exhaust gas can be reduced by heating the exhaust gas through the heating sampling pipe 4; secondly, the treated waste gas enters the first absorption bottle 6 and the second absorption bottle 9 for reaction to obtain sulfuric acid mist, and the sulfuric acid mist enters the collection empty bottle 11 through the second connecting pipe 10; third, inside the inside sulfuric acid mist of collection empty bottle 11 entered into sealed shell 122 through intake pipe 121, extrude one-way switching board 126 through sulfuric acid mist, make one-way switching board 126 rotate around one-way axis of rotation 125, dredge sealed shell 122, discharge in the inside anti-backflow through-hole 128 of through-hole board 127 after that, enter into the inside drying reaction that carries out of drying bottle 13 through outlet duct 123, flow measurement is carried out on flowing to flowmeter 15 through flowmeter buret 14 after that, sample test.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A sulfuric acid mist sampling device applied to waste gas comprises a placing box (1) and a collecting empty bottle (11), wherein a pressure pipe (2) is arranged inside the placing box (1), and a drying bottle (13) is arranged at the right end of the collecting empty bottle (11) and communicated with the drying bottle;

the method is characterized in that: the drying device is characterized by further comprising a backflow-preventing exhaust mechanism (12), the backflow-preventing exhaust mechanism (12) is installed at a joint between the collection empty bottle (11) and the drying bottle (13), the backflow-preventing exhaust mechanism (12) comprises an air inlet pipe (121), a sealing shell (122), an air outlet pipe (123), a fixing block (124), a one-way rotating shaft (125), a one-way opening and closing plate (126), a through hole plate (127) and a backflow-preventing through hole (128), the left end of the air inlet pipe (121) is fixedly installed on the right end side face of the collection empty bottle (11) and communicated with the same, the right end of the air inlet pipe (121) is fixedly installed inside the sealing shell (122) and communicated with the air outlet pipe (123), the right end of the air outlet pipe (123) is fixedly installed on the left side face of the drying bottle (13) and communicated with the same, the fixing block (, fixed block (124) internally mounted has one-way axis of rotation (125), fixed block (124) are articulated mutually through one-way axis of rotation (125) and one-way switching board (126) upper end, one-way switching board (126) are located sealed shell (122) inside middle-end, install inside outlet duct (123) through orifice plate (127), inside through hole (127) has anti-flowing back hole (128).

2. The sulfuric acid mist sampling device applied to the exhaust gas as claimed in claim 1, wherein: the device is characterized in that the upper end of the pressure pipe (2) penetrates through the pitot tube (3), the pitot tube (3) is located under the heating sampling pipe (4), a first connecting pipe (5) penetrates through the heating sampling pipe (4), the right end of the first connecting pipe (5) is installed inside the bottleneck of a first absorption bottle (6) and communicated with the first absorption bottle, the first absorption bottle (6) is placed at the left end inside a water tank (7), an exhaust connecting pipe (8) is arranged at the right end of the first absorption bottle (6) and communicated with the first absorption bottle, the right end of the exhaust connecting pipe (8) is installed inside the bottleneck of a second absorption bottle (9) and communicated with the second absorption bottle, a second connecting pipe (10) is arranged at the right end of the second absorption bottle (9) and communicated with the second absorption bottle, the right end of the second connecting pipe (10) is installed inside the bottleneck of a collection empty bottle (11) and communicated with the collection bottle, a flow meter measuring pipe (14) is installed, flow meter (15) are installed to flow measurement pipe (14) end, place inside thermometer (16) that is equipped with of box (1) to thermometer (16) and take pressure tube (2) inconsistent, place inside hygrometer (17) that is equipped with of box (1) to hygrometer (17) and take pressure tube (2) inconsistent.

3. The sulfuric acid mist sampling device applied to the exhaust gas as claimed in claim 2, wherein: the heating sampling pipe (4) is internally wound with a heating wire, and the heating wire is spiral.

4. The sulfuric acid mist sampling device applied to the exhaust gas as claimed in claim 2, wherein: the first absorption bottle (6) and the second absorption bottle (9) are consistent in shape and size and are communicated through an exhaust connecting pipe (8), and a sealing gasket is arranged at the joint.

5. The sulfuric acid mist sampling device applied to the exhaust gas as claimed in claim 1, wherein: the pipe diameters of the air inlet pipe (121) and the air outlet pipe (123) are consistent, and sealing gaskets are arranged at the joint of the air inlet pipe (121) and the sealing shell (122) and the joint of the sealing shell (122) and the air outlet pipe (123).

6. The sulfuric acid mist sampling device applied to the exhaust gas as claimed in claim 1, wherein: the two fixing blocks (124), the two unidirectional rotating shafts (125) and the two unidirectional opening and closing plates (126) are of a vertically symmetrical structure, and the tail ends of the two unidirectional opening and closing plates (126) are abutted.

7. The sulfuric acid mist sampling device applied to the exhaust gas as claimed in claim 1, wherein: the through hole plate (127) is of a disc-shaped structure, the diameter of the through hole plate (127) is consistent with the inner pipe diameter of the air outlet pipe (123), and the anti-backflow through hole (128) is of a structure with a wide air inlet end and a narrow air outlet end.