CN213632844U

CN213632844U - VOCs insulation can for on-line measuring system

Info

Publication number: CN213632844U
Application number: CN202020756004.3U
Authority: CN
Inventors: 田文
Original assignee: Shanghai Maiyue Environmental Technology Co ltd
Current assignee: Shanghai Maiyue Environmental Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-07-06
Anticipated expiration: 2030-05-09

Abstract

The utility model provides a VOCs insulation can for on-line measuring system, including box (1), its characterized in that: the device also comprises a box heater (2), a pipeline heater (3) and a sample gas pipeline system (4); the box body heater (2) adopts an air heater; the sample gas pipeline system (4) comprises a sampling pump (41), a valve (42), a flow meter (43) and a pipeline (44). Implement the technical scheme of the utility model, can realize low-power consumption, low cost and invariable heat retaining technological effect.

Description

VOCs insulation can for on-line measuring system

Technical Field

The utility model relates to a VOCs on-line monitoring equipment, in particular to VOCs insulation can for on-line measuring system.

Background

The heat insulation box is an important component of the VOCs sampling pipeline and is positioned behind the heat tracing pipeline and in front of the chromatograph. And a filter, a sampling pump, a flowmeter, a change-over switch, a pipeline and the like are arranged in the heat preservation box. In order to ensure that the temperature of the sample gas is not reduced to condense the water vapor in the sample gas when the sample gas flows through the incubator, thereby affecting the measurement result of the sample gas, the incubator needs to be kept at a certain temperature. In the existing heat preservation box, a heater is arranged in the box to maintain the interior of the heat preservation box at a certain temperature, so that the temperature of sample air is reduced within an allowable range when the sample air flows through the heat preservation box. The existing heat preservation box has the defects of high energy consumption, overhigh working temperature and high requirement on mounting elements in the heat preservation box.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a VOCs insulation can for on-line measuring system, the technical scheme of the utility model is implemented like this:

an insulation can for a VOCs online detection system comprises a box body (1), a box body heater (2), a pipeline heater (3) and a sample gas pipeline system (4); the box body heater (2) adopts an air heater; the surface of the box body (1) is provided with a through hole; the box body heater (2) and the pipeline heater (3) are arranged in the box body (1) through a fixed support on the box body (1); sample gas pipe-line system (4) contain sampling pump (41), valve (42), flowmeter (43) and pipeline (44), pipeline (44) UNICOM sampling pump (41), valve (42) with flowmeter (43).

Preferably, the inner surface of the box body (1) is provided with an insulating layer.

Preferably, the tank heater (2) is divided into a first tank heater installed at an inner wall of the tank (1) and a second tank heater installed at an outer surface of the duct (44).

Preferably, the pipe heater (3) is a PTC heating element.

Preferably, the heating temperature value of the box heater (2) is set to 60 ℃.

Preferably, the heating temperature value of the pipe heater (3) is set to 130 ℃.

Preferably, the valve (42) is a throttle valve.

Preferably, the sample gas piping system (4) further comprises a changeover switch (45); the transfer switch (45) is connected to the pipeline (44).

Preferably, the sample gas piping system (4) further comprises a filter (46); the filter (46) is connected to the conduit (44).

Preferably, the sample gas piping system (4) is entirely disposed within the tank (1).

By implementing the technical scheme of the utility model, the technical problems of water vapor condensation, high power consumption and poor heat preservation effect of the heat preservation box in the prior art can be solved; implement the technical scheme of the utility model, can realize low-power consumption, low cost, invariable heat retaining technological effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an embodiment;

fig. 2 is a schematic structural diagram of a preferred embodiment.

In the above drawings, the reference numerals denote:

1. a box body;

2. a box heater;

3. a pipe heater;

4. a sample gas piping system;

41. a sampling pump; 42. a valve; 43. a flow meter; 44. a pipeline; 45. a transfer switch; 46. a filter;

5. heat tracing pipelines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In a specific embodiment, as shown in fig. 1 of the accompanying drawings, an incubator for a VOCs online detection system comprises a tank body (1), a tank body heater (2), a pipe heater (3) and a sample gas pipeline system (4); the box body heater (2) adopts an air heater; the surface of the box body (1) is provided with a through hole; the box body heater (2) and the pipeline heater (3) are arranged in the box body (1) through a fixed support on the box body (1); sample gas pipe-line system (4) contain sampling pump (41), valve (42), flowmeter (43) and pipeline (44), pipeline (44) UNICOM sampling pump (41), valve (42) and flowmeter (43). Because adopt multistage heat preservation equipment, the heat preservation effect is invariable for the gasification effect of appearance gas can remain unanimous all the time, the condition of vapor condensation can not appear, and multistage heating effect can make heating efficiency higher simultaneously, in order to reduce the consumption. And for the temperature outside the box body (1), better temperature control can be realized.

In a preferred embodiment, the inner surface of the tank (1) is provided with an insulating layer. The heat preservation can further completely cut off outside air temperature, reduces the influence that possible outside temperature change produced to the temperature in the heat preservation, also can further reduce the energy consumption simultaneously.

In a preferred embodiment, the tank heater (2) is divided into a first tank heater mounted on the inner wall of the tank (1) and a second tank heater mounted on the outer surface of the duct (44). Split type heating can use the waste heat to assist the heating to the sample gas, and the position setting of dispersion can strengthen heating efficiency.

In a preferred embodiment, the pipe heater (3) is a PTC heating element. The PTC heating element has the characteristics of compact structure and high heat efficiency, and can realize the effects of reducing the space occupation and having high heating efficiency.

In a preferred embodiment, the heating temperature value of the tank heater (2) is set to 60 ℃. The temperature setting of 60 ℃ ensures that the external temperature of the cabinet (1) is at a lower level, reducing the impact on other instruments.

In a preferred embodiment, the heating temperature value of the pipe heater (3) is set to 130 ℃. The temperature setting of 130 ℃ enables the sample gas to be free of condensation to water vapor when contacting the conduit (44).

In a preferred embodiment, the valve (42) is a throttle valve. The throttle valve can adjust the sample gas to control the flow velocity, convenient operation.

In a preferred embodiment, the sample gas piping system (4) further comprises a changeover switch (45); the switch (45) is connected to the pipe (44). The change-over switch can supply power to the sample gas pipeline system (4) and adjust, and is convenient to operate.

In a preferred embodiment, the sample gas piping system (4) further comprises a filter (46); a filter (46) is connected to the conduit (44). The filter can filter the sample gas to improve sample gas purity, promote and detect the uniformity.

In a preferred embodiment, as shown in fig. 2 of the drawings, the sample gas piping system (4) is disposed entirely within the housing (1). The whole pipeline is internally provided with a gas pipeline system (4) capable of controlling the temperature, so that the temperature consistency is guaranteed.

It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a VOCs insulation can for on-line measuring system, includes box (1), its characterized in that: the device also comprises a box heater (2), a pipeline heater (3) and a sample gas pipeline system (4); the box body heater (2) adopts an air heater; the surface of the box body (1) is provided with a through hole; the box body heater (2) and the pipeline heater (3) are arranged in the box body (1) through a fixed support on the box body (1); sample gas pipe-line system (4) contain sample pump (41), valve (42), flowmeter (43) and pipeline (44), pipeline (44) UNICOM sample pump (41) valve (42) with flowmeter (43), the internal surface of box (1) is provided with the heat preservation, box heater (2) divide into first box heater and second box heater, first box heater is installed box (1) inner wall, the second box heater is installed pipeline (44) surface.

2. The incubator according to claim 1, wherein the incubator comprises: the pipe heater (3) is a PTC heating element.

3. The incubator according to claim 1, wherein the incubator comprises: the heating temperature value of the box body heater (2) is set to be 60 ℃.

4. The incubator according to claim 1, wherein the incubator comprises: the heating temperature value of the pipeline heater (3) is set to 130 ℃.

5. The incubator according to claim 1, wherein the incubator comprises: the valve (42) is a throttle valve.

6. The incubator according to claim 1, wherein the incubator comprises: the sample gas pipeline system (4) further comprises a change-over switch (45); the transfer switch (45) is connected to the pipeline (44).

7. The incubator according to claim 1, wherein the incubator comprises: the sample gas piping system (4) further comprises a filter (46); the filter (46) is connected to the conduit (44).

8. The incubator according to claim 1, wherein the incubator comprises: the sample gas pipe system (4) is arranged entirely within the tank (1).