CN218901322U

CN218901322U - Rubber asphalt flue gas collection device for test

Info

Publication number: CN218901322U
Application number: CN202222776512.XU
Authority: CN
Inventors: 张建强; 张泽新; 贾晓凡; 郑万鹏; 王兆力; 侯国强; 蒋彦东; 李武阳
Original assignee: Gansu Luqiao Shanjian Technology Co ltd
Current assignee: Gansu Luqiao Shanjian Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-04-25
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a rubber asphalt flue gas collecting device for a test, which comprises a flue gas preparation unit, wherein the flue gas preparation unit is sequentially connected with a sampling unit, a solid filtering unit and a gas regeneration unit, and a flue gas cooling unit is sleeved outside the sampling unit; the sampling unit comprises a first sampling pipe and a second sampling pipe which are sequentially communicated with the smoke preparation unit, the second sampling pipe is sleeved with a smoke cooling unit, and a locking hand wheel is arranged on the second sampling pipe to fixedly connect the smoke cooling unit; the asphalt flue gas prepared by the flue gas preparation unit is cooled by the flue gas cooling unit, filtered by the solid filtering unit, and finally heated by the gas regeneration unit and collected. The device has the advantages of simple structure, easy operation, stable air flow, lower equipment cost and smaller volume, and can be used in various complex environments. The discharged flue gas can be collected, so that environmental pollution is avoided, and the flue gas can be used in other experiments.

Description

Rubber asphalt flue gas collection device for test

Technical Field

The utility model belongs to the technical field of material detection, and particularly relates to a rubber asphalt flue gas collection device for a test.

Background

In the construction of asphalt pavement, partial volatile components can migrate into the air under the high temperature state due to heating, so that toxic and harmful asphalt smoke is formed, environmental pollution is caused, and the health of constructors is seriously endangered; if the asphalt smoke is in the tunnel, the asphalt smoke is accumulated in the construction operation surface due to unsmooth exhaust, so that the local oxygen content is too low, the construction machinery is adversely affected, even the paver engine is stopped due to oxygen deficiency, and the construction quality of the highway asphalt pavement is affected. However, most asphalt pavement is paved by hot-mix hot paving, and the problems of atmosphere pollution and the like are caused by dense smoke, peculiar smell and the like generated in the process. Liu Zhangxian et al consider that a large amount of asphalt dust (gas), dust, SO are generated during asphalt melting and the like ₂ The high concentration of asphalt smoke seriously pollutes the air quality of the operation place and the surrounding atmospheric environment, and the pollutants such as fluoride and the like cause harm to the health of operators and surrounding residents.

The odor-free rubber asphalt is developed by combining the advantageous properties of the prior rubber asphalt, can greatly reduce the emission of asphalt smoke, can maintain various indexes of the prior rubber asphalt, can promote part of indexes, and realizes energy conservation and environmental protection. Compared with modified asphalt and common rubber asphalt, the preparation process of the odor-free rubber asphalt has simple production process and shorter development time.

At present, a related research work has been carried out for odor-free rubber asphalt, and trial production of rubber asphalt and odor-free rubber asphalt has been carried out indoors. And lack the device that equipment was collected its flue gas after the trial production was accomplished, can't accurate judgement and measure and calculate its odor removal effect.

Disclosure of Invention

Based on the above, the utility model aims to provide a rubber asphalt flue gas collection device for test.

In order to realize the tasks, the utility model adopts the following technical scheme:

the rubber asphalt smoke collection device for the test comprises a smoke preparation unit, wherein a sampling unit, a solid filtering unit and a gas regeneration unit are sequentially connected with the smoke preparation unit, and a smoke cooling unit is sleeved outside the sampling unit;

the sampling unit comprises a first sampling pipe and a second sampling pipe which are communicated with the smoke preparation unit in sequence, the second sampling pipe is sleeved with the smoke cooling unit, and a locking hand wheel is arranged on the second sampling pipe to fixedly connect the smoke cooling unit;

asphalt flue gas prepared by the flue gas preparation unit is cooled by the flue gas cooling unit through the sampling unit, filtered by the solid filtering unit, and finally heated by the gas regeneration unit and collected.

Further, the front section of the first sampling tube is an elbow, the end part of the first sampling tube is provided with a sampling nozzle communicated with the smoke preparation unit, and the second sampling tube is obliquely arranged.

Further, the flue gas cooling unit comprises a cooling sleeve sleeved on the second sampling tube, a water inlet is formed in one end of the cooling sleeve, and a water outlet is formed in the other end of the cooling sleeve.

Further, the solid filtering unit comprises a glass fiber filtering cylinder connected with the tail of the second sampling tube, a filtering cylinder gland is arranged at the end part of the glass fiber filtering cylinder, a filtering cylinder protection net is arranged at the tail of the glass fiber filtering cylinder, a filtering cylinder clamp is arranged outside the glass fiber filtering cylinder, and the filtering cylinder clamp is fixed with the gas regeneration unit.

Further, the gas regeneration unit comprises a heat preservation jacket, a filter collet is arranged in the heat preservation jacket, and a heating socket and a temperature display are arranged on the heat preservation jacket.

Furthermore, a sampling tube is arranged at the tail part of the heat preservation jacket.

Specifically, the flue gas preparation unit comprises a sample bottle, wherein an air inlet and an air outlet are formed in the sample bottle, and the air outlet is communicated with the sampling nozzle.

Further, the air inlet is provided with a one-way conduction valve.

Further, a charging hole is formed in the sample bottle, a plug is arranged at the charging hole, and a thermometer and a stirrer are vertically inserted into the sample bottle on the plug.

Compared with the prior art, the utility model has the following technical effects:

the rubber asphalt flue gas collection device for the test uses the flue gas cooling unit to cool the rubber asphalt flue gas collection device, adopts glass fiber as solid for adsorption, has good adsorptivity and can not add other impurities. The detachable design is convenient to detach and flexible and changeable in use. Only one sampling tube port is arranged, and the collected smoke is easier to analyze. The device simple structure easily controls, and the air current is stable for the experiment progress. Meets the economic requirement, and realizes complex substance measurement by using a simple principle. The equipment has low cost and small volume, and can be used in various complex environments.

Drawings

FIG. 1 is a schematic view of a part of the structure of the device of the present utility model;

FIG. 2 is a schematic diagram of the smoke preparation unit structure of the utility model;

the reference numerals in the figures represent:

1. a flue gas preparation unit; 11. a sample bottle; 12. an air inlet; 13. a one-way conduction valve; 14. an air outlet; 15. a feed inlet; 16. a plug; 17. a thermometer; 18. a stirrer; 2. a sampling unit; 21. a sampling nozzle; 22. a first sampling tube; 23. a second sampling tube; 24. locking a hand wheel; 3. a flue gas cooling unit; 31. a cooling jacket; 32. a water outlet; 33. a water inlet; 4. a solid filtration unit; 41. a filter cartridge gland; 42. a glass fiber filter cartridge; 43. a filter cartridge protective net; 44. a filter cartridge; 5. a gas regeneration unit; 51. a heat preservation jacket; 52. a sampling tube; 53. a heating socket; 54. a temperature display.

Detailed Description

The following specific embodiments of the present utility model are given, and it should be noted that the present utility model is not limited to the following specific examples, and all equivalent changes made on the basis of the technical solutions of the present application fall within the protection scope of the present utility model.

It should be noted that, in describing the present utility model in terms of orientation, the orientation or positional relationship indicated by the terms "one end", "the other end", "above", "below", etc. are merely for convenience of describing the present utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and that "inside", "outside" refer to outside the inner core of the corresponding component profile, and the above terms should not be construed as limiting the present utility model. If the particular gesture changes, the directional indication changes accordingly. Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" is at least two unless explicitly defined otherwise. In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

The embodiment discloses a rubber asphalt flue gas collecting device for experiments, which is shown in combination with figures 1-2 and comprises a flue gas preparation unit 1, wherein a sampling unit 2, a solid filtering unit 4 and a gas regeneration unit 5 are sequentially connected with the flue gas preparation unit 1, and a flue gas cooling unit 3 is sleeved outside the sampling unit 2;

the sampling unit 2 comprises a first sampling pipe 22 and a second sampling pipe 23 which are connected with the flue gas preparation unit 1 in sequence, the flue gas cooling unit 3 is sleeved outside the second sampling pipe 23, and a locking hand wheel 24 is arranged on the second sampling pipe 23 to fixedly connect the flue gas cooling unit 3;

the asphalt flue gas prepared by the flue gas preparation unit 1 is cooled by the flue gas cooling unit 3 through the sampling unit 2, filtered by the solid filtering unit 4, and finally heated by the gas regeneration unit 5 and collected.

In this embodiment, another preferred embodiment is shown, the front section of the first sampling tube 22 is an elbow, the end of the first sampling tube 22 is provided with a sampling nozzle 21 which is communicated with the smoke preparation unit 1, and the second sampling tube 23 is obliquely arranged.

The first sampling tube 22 is provided with a bent tube at the front end thereof to prevent the reverse flow of the flue gas, and the second sampling tube 23 is provided with a tilted tube to allow a small amount of liquefied gas to flow into the solid filter unit 4 in a proper manner, and finally heated by the gas regeneration unit 5 to be collected.

This example shows another preferred embodiment, the flue gas cooling unit 3 comprises a cooling jacket 31 which is sleeved on the second sampling tube 23, wherein one end of the cooling jacket 31 is provided with a water inlet 33, and the other end is provided with a water outlet 32. More specifically, the water inlet 33 is provided at the end close to the solid filtration unit 4 and the water outlet 32 is provided at the end close to the flue gas preparation unit 1.

The purpose of the cooling jacket 31 is to cool the asphalt flue gas produced by the flue gas production unit 1, to prevent the temperature from being too high, and to better separate different kinds of gases in the flue gas, so that some gases are liquefied when the flue gas passes through the cooling jacket 31.

The present embodiment shows another preferred embodiment, the solid filtering unit 4 comprises a glass fiber filtering cylinder 42 connected with the tail of the second sampling tube 23, a filtering cylinder gland 41 is arranged at the end of the glass fiber filtering cylinder 42, a filtering cylinder protection net 43 is arranged at the tail of the glass fiber filtering cylinder 42, a filtering cylinder clamp 44 is arranged outside the glass fiber filtering cylinder 42, and the filtering cylinder clamp 44 is fixed with the gas regeneration unit 5.

Further flue gas collection, the glass fiber cartridge 42 can be used to filter out solids and particulates from the flue gas, with good adsorptivity and no other impurities added. The filter cartridge protective mesh 43 serves to filter smaller solid particles in the flue gas while also protecting the glass fiber filter cartridge 42.

This example shows another preferred embodiment, the gas regeneration unit 5 comprises a heat-preserving jacket 51, a filter cartridge 44 is arranged in the heat-preserving jacket 51, and a heating socket 53 and a temperature display 54 are arranged on the heat-preserving jacket 51.

Further, a sampling tube 52 is provided at the tail of the insulating jacket 51.

In order to better extract different substances in the flue gas, the temperature of the insulating jacket 51 is controlled to reach the gasification temperature of the different substances, so that the substances which are liquefied in the flue gas can be separated, and finally, the substances are collected at the port of the sampling tube 52.

This example shows another preferred embodiment, the smoke producing cell 1 comprises a sample bottle 11, the sample bottle 11 is provided with an air inlet 12 and an air outlet 14, and the air outlet 14 is communicated with a sampling nozzle 21. The sample bottle 11 can be a transparent glass bottle, so that the observation is convenient.

This example gives another preferred implementation, the air inlet 12 being provided with a one-way conduction valve 13. The one-way conduction valve 13 is arranged to ensure that all the flue gas in the flue gas preparation process flows out of the gas outlet 14 into the sampling unit 2 and is collected next.

This example shows another preferred embodiment, in which a feed port 15 is provided in the sample bottle 11, a stopper 16 is provided at the feed port 15, and a thermometer 17 and a stirrer 18 are provided on the stopper 16 and vertically inserted into the sample bottle 11.

Various preparation raw materials are introduced through the intermediate feed port 15. The plug 16 can be a sealing cork, and the thermometer 17 and the stirrer 18 are arranged on the plug 16 together and connected to the charging hole 15, so that a sealing effect is achieved. The thermometer 17 is provided to facilitate observation of the temperature of the asphalt sample, and the stirrer 18 stirs the raw materials during the preparation process.

In summary, the using method of the rubber asphalt flue gas collection device for the test is as follows:

when in use, the raw materials for preparing the odor-free rubber asphalt are weighed according to the proportion, are respectively added into the sample bottle 11 through the charging port 15, are heated, are continuously stirred through the stirrer 18, and observe the temperature change. After reaching the prescribed development temperature, the sampling nozzle 21 is connected to the gas outlet 14, and the flue gas is led from the sampling nozzle 21 into the sampling tube, which is cooled by the cooling jacket 31, so that part of the gas is liquefied. As the asphaltic flue gas passes through the glass fiber filter cartridge 42, the glass fiber filter cartridge 42 adsorbs the solid matter in the flue gas thereon, and the flue gas passes through the cartridge protection net 43 for further filtering and protection of the glass fiber filter cartridge 42. Errors and losses in the measurement are reduced.

The flue gas passing through the cooling jacket 31 passes through the solid filtering unit 4 and finally is collected after being heated by the gas regeneration unit 5 for testing of the subsequent process. According to the gasification points of different substances, some substances in the liquefied asphalt flue gas are heated by the heat preservation jacket 51, different types of flue gas are collected at different temperatures until all the liquid is gasified and then collected, and qualitative analysis is realized. The temperature is controlled with care in use. In addition, the glass fiber filter cartridge 42 and the filter cartridge protection net 43 can be detached, the glass fiber filter cartridge and the filter cartridge protection net can be weighed, and other gases are processed to be measured and analyzed, so that quantitative analysis is realized. And judging the content of substances in the smoke through the poor quality before and after the experiment. And finally, comparing and analyzing the substance content of the smoke of the common rubber asphalt and the odor-free rubber asphalt.

The device has simple structure, easy operation and stable air flow. The experimental progress is quickened. Meets the economic requirement, and realizes complex substance measurement by using a simple principle. The equipment has low cost and small volume, and can be used in various complex environments. The application prospect in the road traffic industry is wide. The discharged smoke can be collected, so that environmental pollution is avoided, and no physical damage is caused to experimental staff. Can also be used in other experiments.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The rubber asphalt flue gas collection device for the test is characterized by comprising a flue gas preparation unit (1), wherein a sampling unit (2), a solid filtering unit (4) and a gas regeneration unit (5) are sequentially connected with the flue gas preparation unit (1), and a flue gas cooling unit (3) is sleeved outside the sampling unit (2);

the sampling unit (2) comprises a first sampling pipe (22) and a second sampling pipe (23) which are sequentially communicated with the flue gas preparation unit (1), the flue gas cooling unit (3) is sleeved outside the second sampling pipe (23), and a locking hand wheel (24) is arranged on the second sampling pipe (23) to fixedly connect the flue gas cooling unit (3);

asphalt flue gas prepared by the flue gas preparation unit (1) is cooled by the flue gas cooling unit (3) through the sampling unit (2), filtered by the solid filtering unit (4) and finally heated by the gas regeneration unit (5) and collected.

2. The rubber asphalt fume collecting device for test according to claim 1, wherein the front section of said first sampling tube (22) is an elbow, the end of said first sampling tube (22) is provided with a sampling nozzle (21) communicating with the fume preparing unit (1), and said second sampling tube (23) is obliquely arranged.

3. The rubber asphalt fume collecting device for test according to claim 1, wherein said fume cooling unit (3) comprises a cooling sleeve (31) sleeved on said second sampling tube (23), one end of said cooling sleeve (31) is provided with a water inlet (33), and the other end is provided with a water outlet (32).

4. A test rubber asphalt fume collecting apparatus according to claim 3, wherein said solid filter unit (4) comprises a glass fiber filter cartridge (42) connected to the tail of said second sampling tube (23), a cartridge gland (41) is provided at the end of said glass fiber filter cartridge (42), a cartridge protection net (43) is provided at the tail of said glass fiber filter cartridge (42), a cartridge filter (44) is provided outside said glass fiber filter cartridge (42), and said cartridge filter (44) is fixed to said gas regeneration unit (5).

5. The rubber asphalt fume collecting device for test according to claim 4, wherein said gas regeneration unit (5) comprises a heat-insulating jacket (51), a filter cartridge (44) is provided inside said heat-insulating jacket (51), and a heating socket (53) and a temperature display (54) are provided on said heat-insulating jacket (51).

6. The rubber asphalt fume collecting apparatus for test according to claim 5, wherein a sampling tube (52) is provided at the tail of said heat-insulating jacket (51).

7. The rubber asphalt fume collecting device for test according to claim 2, wherein said fume preparing unit (1) comprises a sample bottle (11), said sample bottle (11) is provided with an air inlet (12) and an air outlet (14), said air outlet (14) is communicated with said sampling nozzle (21).

8. The rubber asphalt fume collection device for test according to claim 7, wherein said air inlet (12) is provided with a one-way conduction valve (13).

9. The rubber asphalt fume collecting apparatus for test according to claim 7, wherein said sample bottle (11) is provided with a charging port (15), said charging port (15) is provided with a stopper (16), and said stopper (16) is vertically inserted into said sample bottle (11) and provided with a thermometer (17) and a stirrer (18).