CN219377070U - Pyrolysis experiment product collecting system - Google Patents

Abstract

The utility model provides a pyrolysis experiment product collecting system which comprises a first discharge pipe, a collecting pipe, a second discharge pipe, a heat preservation container, a liquid collecting bottle, a drying impurity removing pipe and a gas collecting bag, wherein the input end of the collecting pipe is connected with the wall of the input end of the first discharge pipe, the wall of the output end of the collecting pipe is connected with the second discharge pipe, a first valve is arranged on the first discharge pipe, the input end and the output end of the collecting pipe are respectively provided with a second valve and a third valve, a fourth valve is arranged on the second discharge pipe, one section of the collecting pipe stretches into the heat preservation container, the liquid collecting bottle is positioned in the heat preservation container and communicated with one section of the collecting pipe stretching into the heat preservation container, the drying impurity removing pipe is arranged on the collecting pipe and positioned at the downstream section of the section stretching into the heat preservation container, and the gas collecting bag is connected with the output end of the collecting pipe. The system can effectively collect products in each temperature interval, improves the accuracy of collecting the products, is convenient for analyzing and understanding the collected products, and is convenient to use and sample.

Description

Pyrolysis experiment product collecting system

Technical Field

The utility model relates to the technical field of pyrolysis experimental equipment, in particular to a pyrolysis experimental product collection system.

Background

Pyrolysis refers to a chemical technology of decomposing organic substances into smaller molecules at high temperature, and is widely applied to the fields of chemical industry, biomass energy utilization, environmental protection, material science and the like. The organic matter which cannot be reused originally can be converted into valuable products, so that the resource utilization efficiency is improved, and the environmental pollution is reduced. The pyrolysis experiment is an important means for researching and applying the pyrolysis technology, can help to explore the pyrolysis reaction mechanism, develop novel energy products, screen and optimize process conditions and evaluate product properties, and can provide useful information and technical support for the development of the pyrolysis technology. The pyrolysis experimental device commonly used at present mainly comprises a tubular furnace reactor, a fixed bed, a fluidized bed pyrolysis device, a microwave-assisted pyrolysis device, an electrochemical pyrolysis device and the like.

The product collection system of the pyrolysis experimental device is an important component part in the pyrolysis experiment, and is mainly used for collecting and separating gas, liquid and solid products generated in the pyrolysis process, and helping researchers analyze the types, the amounts and the properties of the products of the pyrolysis reaction so as to understand the reaction mechanism and optimize the reaction conditions. Although the product collection system of the pyrolysis experimental device is greatly improved at present, some defects still exist, such as that partial reaction products cannot be effectively collected, misunderstanding of reaction mechanism or incomplete understanding of reaction process is caused, collection efficiency and selectivity are limited, and the collection system is too complicated to receive the products, so that analysis and understanding of the products are affected.

Disclosure of Invention

In view of the above, the utility model provides a pyrolysis experimental product collecting system, which can effectively collect products in each temperature interval according to requirements, improves the accuracy of collecting the products, is convenient for analyzing and understanding the collected products, and has the advantages of convenient use and convenient sampling.

The technical scheme of the utility model is as follows:

the utility model provides a pyrolysis experiment product collecting system which comprises a first discharge pipe, a collecting pipe, a second discharge pipe, a heat preservation container, a liquid collecting bottle, a drying impurity removing pipe and a gas collecting bag, wherein the input end of the collecting pipe is connected with the wall of the input end of the first discharge pipe, the wall of the output end of the collecting pipe is connected with the second discharge pipe, a first valve is arranged on the first discharge pipe, the input end and the output end of the collecting pipe are respectively provided with a second valve and a third valve, a fourth valve is arranged on the second discharge pipe, one section of the collecting pipe stretches into the heat preservation container filled with ice-water mixture, the liquid collecting bottle is positioned in the heat preservation container and communicated with one section of the collecting pipe stretching into the heat preservation container for collecting condensate, the drying impurity removing pipe is arranged on the collecting pipe and positioned at the downstream section of the collecting pipe stretching into the heat preservation container for drying impurity removing gas after the condensate collecting, and the gas collecting bag is connected with the output end of the collecting pipe for collecting the gas after the drying impurity removing.

Further, the collecting pipe comprises an input section, a condensing section and an output section which are sequentially connected, the second valve is arranged on the input section, the third valve is arranged on the output section, and the condensing section stretches into the heat preservation container.

Further, two ends of the condensing section are detachably and hermetically connected with the input section and the output section respectively.

Further, the condensation section is a U-shaped pipe, a liquid outlet pipe is arranged at the bottom of the U-shaped pipe, and the liquid outlet pipe is inserted into the bottle mouth of the liquid collecting bottle in a sealing way.

Further, the thermal insulation container comprises a container main body and a cover body, wherein the cover body is movably arranged on the container main body so as to open and close the opening of the container main body.

Further, the open end wall of the container main body is provided with a pipe groove, and two ends of the condensing section penetrate through the pipe groove and are respectively detachably and hermetically connected with the input section and the output section.

Further, the bottom wall of the container main body is provided with an elastic pad, and the liquid collecting bottle is arranged on the elastic pad.

Further, the temperature display device is used for detecting and displaying the temperature of the ice-water mixture in the heat preservation container.

Further, a gas flow rate display for detecting the flow rate of gas in the output section of the collection tube is included.

Further, the heat-insulating container comprises a shell, the shell is in a concave structure, the heat-insulating container is arranged in a notch of the concave structure, the first discharge pipe, the collecting pipe and the second discharge pipe are arranged in the shell in a penetrating mode, two ends of the first discharge pipe penetrate out of the shell, the output end of the collecting pipe and the output end of the second discharge pipe penetrate out of the shell, and the first valve, the second valve, the third valve and the fourth valve are exposed out of the shell.

Compared with the prior art, the pyrolysis experimental product collecting system provided by the utility model is matched with a first discharge pipe, a collecting pipe, a second discharge pipe, a heat preservation container, a liquid collecting bottle, a drying impurity removing pipe and a gas collecting bag, wherein a first valve is arranged on the first discharge pipe, a second valve and a third valve are respectively arranged at two ends of the collecting pipe, and a fourth valve is arranged on the second discharge pipe. Before the pyrolysis experiment starts, inert gas is needed to be used for carrying out purge gas on the pyrolysis experiment device, at the moment, if a pyrolysis experiment product collecting system is connected, a second valve is closed, a first valve is opened to be communicated with the outside, and the purge gas is carried out on the pyrolysis experiment device under the condition of not interfering the pyrolysis experiment product collecting system so as to remove redundant impurity gas; then, the first valve is closed, the second valve, the third valve and the fourth valve are opened, inert gases such as nitrogen, argon and the like are adopted to flush the pyrolysis experimental device and the collecting pipe, so that the interference of residual air and the like in the system is eliminated; after the pyrolysis experiment is started, the first valve and the fourth valve are closed, the second valve and the third valve are opened, and the liquid product and the gas product are respectively collected through the liquid collecting bottle and the gas collecting bag; after the pyrolysis experiment is finished, the first valve and the fourth valve are opened, the second valve and the third valve are closed, and the gas collecting bag and the liquid collecting bottle are taken out. Therefore, products in each temperature interval section can be effectively collected according to requirements, product collection can be conveniently carried out, the accuracy of the collected products is improved, analysis and understanding of the collected products are facilitated, and the device has the advantages of convenience in use and convenience in sampling. By configuring a plurality of identical collecting systems and controlling the first valve, the second valve, the third valve and the fourth valve are opened, the selective collection of products in each temperature interval can be realized.

The preferred embodiments of the present utility model and their advantageous effects will be described in further detail with reference to specific embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model. In the drawings of which there are shown,

FIG. 1 is a schematic diagram of the internal piping connection structure of the pyrolysis experimental product collection system of the present utility model;

FIG. 2 is a first perspective view of a pyrolysis experiment product collection system according to the present utility model installed;

FIG. 3 is a second perspective view of a pyrolysis experiment product collection system according to the present utility model installed;

FIG. 4 is a view showing the use of the pyrolysis experimental product collecting system according to the present utility model.

Reference numerals illustrate: the first discharge pipe 1, the collecting pipe 2, the second discharge pipe 3, the heat preservation container 4, the liquid collecting bottle 5, the drying impurity removing pipe 6, the first valve 11, the second valve 21, the third valve 22, the fourth valve 31, the input section 23, the condensing section 24, the output section 25, the liquid outlet pipe 26, the container main body 41, the cover body 42, the pipe groove 43, the temperature display 7, the gas flow display 8 and the shell 9.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Referring to fig. 1 to 4, the present utility model provides a pyrolysis experimental product collecting system, which comprises a first discharge pipe 1, a collecting pipe 2, a second discharge pipe 3, a thermal insulation container 4, a liquid collecting bottle 5, a drying and impurity removing pipe 6 and a gas collecting bag (not shown). The input end of the collecting pipe 2 is connected with the input end pipe wall of the first discharging pipe 1, and the output end pipe wall of the collecting pipe 2 is connected with the second discharging pipe 3. The first discharge pipe 1 is provided with a first valve 11, the input end and the output end of the collecting pipe 2 are respectively provided with a second valve 21 and a third valve 22, and the second discharge pipe 3 is provided with a fourth valve 31. One section of the collecting pipe 2 stretches into the heat preservation container 4 filled with the ice-water mixture, and the liquid collecting bottle 5 is positioned in the heat preservation container 4 and communicated with one section of the collecting pipe 2 stretching into the heat preservation container 4 for collecting condensate. A drying and impurity removing pipe 6 is installed on the collecting pipe 2 at a downstream section of a section extending into the heat preservation container 4 to dry and remove impurities from the gas after collecting condensate. The gas collection bag is connected to the output end of the collection pipe 2 to collect the dry and decontaminated gas.

According to the pyrolysis experimental product collecting system provided by the utility model, a first discharge pipe 1, a collecting pipe 2, a second discharge pipe 3, a heat preservation container 4, a liquid collecting bottle 5, a drying impurity removing pipe 6 and a gas collecting bag are arranged to be matched, a first valve 11 is arranged on the first discharge pipe 1, a second valve 21 and a third valve 22 are respectively arranged at two ends of the collecting pipe 2, and a fourth valve 31 is arranged on the second discharge pipe 3. Before the pyrolysis experiment starts, inert gas is needed to be used for carrying out purge gas on the pyrolysis experiment device, at the moment, if a pyrolysis experiment product collecting system is connected, the second valve 21 is closed, the first valve 11 is opened to be communicated with the outside, and the purge gas is carried out on the pyrolysis experiment device under the condition of not interfering the pyrolysis experiment product collecting system so as to remove redundant impurity gas; then, the first valve 11 is closed, the second valve 21, the third valve 22 and the fourth valve 31 are opened, inert gases such as nitrogen, argon and the like are adopted to flush the pyrolysis experimental device and the collecting pipe 2 so as to eliminate the interference of air and the like in the system; after the pyrolysis experiment is started, the first valve 11 and the fourth valve 31 are closed, the second valve 21 and the third valve 22 are opened, and the liquid product and the gas product are respectively collected through the liquid collecting bottle 5 and the gas collecting bag; after the pyrolysis experiment is finished, the first valve 11 and the fourth valve 31 are opened, the second valve 21 and the third valve 22 are closed, and the gas collection bag and the liquid collection bottle 5 are taken out. Therefore, products in each temperature interval can be effectively collected according to requirements, the accuracy of collecting the products is improved, analysis and understanding of the collected products are facilitated, and the device has the advantages of convenience in use and convenience in sampling. By configuring a plurality of identical collecting systems, the selective collection of products in each temperature interval can be realized by controlling the first valve 11 to open the second valve 21, the third valve 22 and the fourth valve 31.

In this embodiment, the collecting pipe 2 includes an input section 23, a condensing section 24 and an output section 25 which are sequentially connected, the second valve 21 is disposed on the input section 23, the third valve 22 is disposed on the output section 25, and the condensing section 24 extends into the thermal insulation container 4.

Preferably, both ends of the condensing section 24 are detachably and hermetically connected with the input section 23 and the output section 25, respectively, so as to facilitate the taking out of the condensing section 24, and the inner wall of the condensing section 24 is wiped by cotton balls stained with methylene dichloride solution, so that residual condensed liquid is completely removed, and the liquid product yield is calculated by comparing and weighing after the methylene dichloride is volatilized at room temperature.

Preferably, the condensing section 24 is a U-shaped pipe, the bottom of the U-shaped pipe is provided with a liquid outlet pipe 26, and the liquid outlet pipe 26 is inserted into the bottle mouth of the liquid collecting bottle 5 in a sealing way. The condensing section 24 adopts a U-shaped pipe, has a simple structure, can prolong a condensed pipeline, is favorable for fully condensing moisture in the pipeline, and is convenient for being matched with the liquid outlet pipe 26 and the liquid collecting bottle 5 to collect condensate. It will be appreciated that the condensing section 24 is not limited to a U-shaped tube, but may be a tube such as a spiral, wave, etc.

In this embodiment, the thermal insulation container 4 includes a container body 41 and a cover 42, and the cover 42 is movably mounted on the container body 41 to open and close the opening of the container body 41. By opening the cover 42, it is convenient to add the ice-water mixture to the container body 41; the cover 42 is closed to reduce leakage of cold air and improve condensing efficiency. Preferably, the open end wall of the container body 41 is provided with a pipe groove 43, and both ends of the condensing section 24 penetrate through the pipe groove 43 and are detachably and hermetically connected with the input section 23 and the output section 25 respectively. In this way, it is convenient to position and support the condensing portion 24 on the container body 41 such that the condensing portion 24 is immersed in the ice-water mixture of the container body 41. Preferably, the bottom wall of the container body 41 is provided with an elastic pad on which the liquid collection bottle 5 is placed.

The pyrolysis experimental product collecting system provided by the utility model further comprises a temperature display 7 for detecting and displaying the temperature of the ice-water mixture in the heat preservation container 4, so that the temperature is kept between 0 ℃ and 5 ℃, and if the temperature of the ice-water mixture begins to rise in the experimental process, ice cubes can be added into the ice-water mixture immediately, and the cooling temperature is kept between 0 ℃ and 5 ℃.

The pyrolysis experimental product collection system provided by the present utility model further comprises a gas flow display 8 for detecting the gas flow in the output section 25 of the collection tube 2 for subsequent calculation of the gas product yield.

The pyrolysis experimental product collecting system provided by the utility model further comprises a shell 9, wherein the shell 9 is in a concave structure, the heat preservation container 4 is arranged in a notch of the concave structure, the first discharge pipe 1, the collecting pipe 2 and the second discharge pipe 3 are arranged in the shell 9 in a penetrating way, two ends of the first discharge pipe 1 penetrate out of the shell 9, and an output end of the collecting pipe 2 and an output end of the second discharge pipe 3 penetrate out of the shell 9. The first valve 11, the second valve 21, the third valve 22 and the fourth valve 31 are all exposed to the housing 9. The temperature display 7 and the gas flow display are exposed on the top surface of the shell 9. Handles are mounted on two sides of the shell 9 so as to be convenient to carry. In order to avoid heat transfer from the inlet section 23 of the collector tube 2 to the housing 9, the space between the housing 9 and the inlet section 23 is filled with a heat insulating material. The case 9 is of a box-type design with a concave structure to facilitate separation and transfer.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, a particular component geometry.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims (10)

1. The utility model provides a pyrolysis experiment product collecting system, a serial communication port, including first discharge pipe (1), collecting pipe (2), second discharge pipe (3), heat preservation container (4), liquid collecting bottle (5), dry edulcoration pipe (6) and gas collection bag, the input of collecting pipe (2) is connected in the input pipe wall of first discharge pipe (1), the output pipe wall of collecting pipe (2) is connected with second discharge pipe (3), be equipped with first valve (11) on first discharge pipe (1), the input and the output of collecting pipe (2) are equipped with second valve (21) and third valve (22) respectively, be equipped with fourth valve (31) on second discharge pipe (3), one section of collecting pipe (2) stretches into in heat preservation container (4) that holds the ice water mixture, liquid collecting bottle (5) are located heat preservation container (4), and stretch into one section intercommunication in heat preservation container (4) on with collecting pipe (2) for collecting the condensate, dry edulcoration pipe (6) are installed on collecting pipe (2) and are located the downstream of one section that stretches into in heat preservation container (4), after the gas collection pipe is connected to dry edulcoration gas collection pipe (2), the gas collection of the condensate is dried and the gas collection bag is removed.

2. The pyrolysis experiment product collection system according to claim 1, wherein the collection pipe (2) comprises an input section (23), a condensation section (24) and an output section (25) which are sequentially connected, the second valve (21) is arranged on the input section (23), the third valve (22) is arranged on the output section (25), and the condensation section (24) stretches into the heat preservation container (4).

3. The pyrolysis experiment product collection system according to claim 2, wherein both ends of the condensing section (24) are detachably and hermetically connected with the input section (23) and the output section (25), respectively.

4. The pyrolysis experimental product collection system according to claim 2, wherein the condensing section (24) is a U-shaped tube, the bottom of the U-shaped tube is provided with a liquid outlet tube (26), and the liquid outlet tube (26) is inserted in the mouth of the liquid collection bottle (5) in a sealing manner.

5. The pyrolysis experiment product collection system according to claim 2, wherein the thermal insulation container (4) comprises a container body (41) and a cover body (42), the cover body (42) being movably mounted on the container body (41) to open and close the opening of the container body (41).

6. The pyrolysis experiment product collection system according to claim 5, wherein the open end wall of the container body (41) is provided with a pipe groove (43), and two ends of the condensation section (24) penetrate through the pipe groove (43) to be detachably and hermetically connected with the input section (23) and the output section (25) respectively.

7. A pyrolysis experiment product collection system according to claim 5, wherein the bottom wall of the container body (41) is provided with an elastic pad on which the liquid collection bottle (5) is placed.

8. The pyrolysis experiment product collection system of claim 1 further comprising a temperature display (7) for detecting and displaying the temperature of the ice-water mixture in the insulated container (4).

9. A pyrolysis experiment product collection system according to claim 1, further comprising a gas flow display (8) for detecting the gas flow in the output section (25) of the collection tube (2).

10. The pyrolysis experiment product collection system according to claim 1, further comprising a housing (9), wherein the housing (9) is in a concave structure, the heat preservation container (4) is arranged in a notch of the concave structure, the first discharge pipe (1), the collecting pipe (2) and the second discharge pipe (3) are arranged in the housing (9) in a penetrating manner, two ends of the first discharge pipe (1) penetrate out of the housing (9), an output end of the collecting pipe (2) and an output end of the second discharge pipe (3) penetrate out of the housing (9), and the first valve (11), the second valve (21), the third valve (22) and the fourth valve (31) are exposed out of the housing (9).