CN213121845U - Online analysis table preprocessing device - Google Patents
Online analysis table preprocessing device Download PDFInfo
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- CN213121845U CN213121845U CN202022415978.8U CN202022415978U CN213121845U CN 213121845 U CN213121845 U CN 213121845U CN 202022415978 U CN202022415978 U CN 202022415978U CN 213121845 U CN213121845 U CN 213121845U
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Abstract
The utility model discloses an on-line analyzer pretreatment device, which comprises a three-way electromagnetic valve, a condenser and an analyzer component; three-way electromagnetic valve: an upper gas inlet of the three-way electromagnetic valve is communicated with a gas outlet of the nitrogen pipeline through an upper stainless steel pipe, and a left gas inlet of the three-way electromagnetic valve is communicated with the middle part of the equipment pipeline through a left stainless steel pipe; a condenser: the left air inlet is communicated with the right air outlet of the three-way electromagnetic valve through a stainless steel pipe in the middle; an analysis table component: the left air inlet is communicated with the right air outlet of the condenser through a stainless steel pipe on the right side. Wherein: the input of three way solenoid valve and condenser all connects outside DCS control switch system electrically, this online analysis table preprocessing device, simple structure, and convenient to use, the maintenance volume of having saved personnel that on the one hand can be great, and on the other hand can guarantee that online analysis table operation is reliable, has improved analytical measurement's real-time and accuracy, provides reliable measurement parameter for the operation.
Description
Technical Field
The utility model relates to an industrial gas detects technical field, specifically is an online analysis table preprocessing device.
Background
With the development of scientific technology, old fixed bed reaction furnaces are gradually eliminated and replaced by novel gasification furnaces, the gasification furnaces have advanced technology and remarkable investment, energy-saving and environmental protection benefits, the oxygen content of a coal grinding system needs to be analyzed in real time in the production process, the oxygen content is controlled to be below 8 percent, once the oxygen content is higher than the index, a coal grinding system unit explodes to cause serious safety accidents, therefore, an analysis meter pretreatment device is provided to detect components in gas, the gas components in the coal grinding system are determined through analysis of an analysis component through steps of collection, filtration, drying, purification and the like, but the prior art has a plurality of defects, media in a pipeline are pulverized coal solid particles with nitrogen carrying dilute phase, meanwhile, the media contain certain moisture, the pressure taking pipe of the analysis meter is often blocked to cause the distortion of the analysis meter, is not beneficial to the operation of operators and increases the labor intensity of the operators, thereby providing a novel online analysis meter preprocessing device to solve the problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an online analysis table preprocessing device, simple structure, convenient to use, the maintenance volume of saving personnel that on the one hand can be great, on the other hand can guarantee that online analysis table operation is reliable, has improved analytical measurement's real-time and accuracy, provides reliable measurement parameter for the operation, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an online analytical meter preprocessing device comprises a three-way electromagnetic valve, a condenser and an analytical meter assembly;
three-way electromagnetic valve: an upper gas inlet of the three-way electromagnetic valve is communicated with a gas outlet of the nitrogen pipeline through an upper stainless steel pipe, and a left gas inlet of the three-way electromagnetic valve is communicated with the middle part of the equipment pipeline through a left stainless steel pipe;
a condenser: the left air inlet is communicated with the right air outlet of the three-way electromagnetic valve through a stainless steel pipe in the middle;
an analysis table component: the left air inlet is communicated with the right air outlet of the condenser through a stainless steel pipe on the right side.
Wherein: the input of three way solenoid valve and condenser all connects outside DCS control switch system electrically, simple structure, and convenient to use, the maintenance volume of having saved personnel that on the one hand can be great, and on the other hand can guarantee that online analysis table operation is reliable, has improved analytical measurement's real-time and accuracy, provides reliable measurement parameter for the operation.
Furthermore, the right-hand member air inlet of nitrogen gas pipeline intercommunication outside middling pressure nitrogen gas output device, middling pressure nitrogen gas can blow away the inside debris of device and do not influence whole detection and analysis work.
Furthermore, a blowdown electromagnetic valve is connected in series in an air outlet pipe at a blowdown position at the bottom end of the condenser, and redundant condensate water in the condenser is discharged at regular time.
Furthermore, the gas inlet of the equipment pipeline is communicated with a generating device of gas to be detected, and the generating device receives the gas to be detected and analyzed.
Furthermore, the stainless steel pipes are all stainless steel pipes with the diameter of ten centimeters, and the integrity of the whole device is guaranteed.
Compared with the prior art, the beneficial effects of the utility model are that: the on-line analysis table preprocessing device has the following advantages:
the method comprises the steps that an external control switch is used for regulating and controlling, an air pump in an analysis meter assembly operates, the air pump in the analysis meter assembly pumps gas in an equipment pipeline into a condenser through a three-way electromagnetic valve, the condenser is used for cooling, the cooled gas sequentially passes through an analysis meter assembly drying agent and a fine filter through the air pump in the analysis meter assembly, the analysis meter assembly analyzes the remaining components after the gas is dried and enters a pot, the control is displayed on a DCS, the three-way electromagnetic valve sends a signal with the duration of two minutes to the DCS control system every twenty-four hours, the DCS control system regulates and controls, a right valve of the three-way electromagnetic valve is closed, an upper valve of the three-way electromagnetic valve is opened, and at the moment, because the self-pressure of medium-pressure nitrogen in the nitrogen pipeline is large, the medium-pressure nitrogen in the nitrogen pipeline reversely blows the equipment pipeline through the three-way, blow away the fine coal debris in the equipment pipeline, two minutes back three solenoid valve resets, three solenoid valve's left end and right-hand member are the connected state, simultaneously, thirty seconds after three solenoid valve received signal, through DCS control switch system regulation and control, the blowdown solenoid valve is opened, unnecessary comdenstion water can flow from the blowdown solenoid valve under the action of gravity in the condenser, later the blowdown solenoid valve is together closed along with three solenoid valve, the structure is simple, high durability and convenient use, personnel's maintenance volume has been saved that on the one hand can be great, on the other hand can guarantee that online analysis table operation is reliable, the real-time and the accuracy of analytical measurement have been improved, provide reliable measurement parameter for the operation, the left end and the
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 three-way solenoid valve, 2 condensers, 3 blowdown solenoid valves, 4 analysis table subassemblies, 5 equipment pipelines, 6 nitrogen gas pipelines, 7 stainless steel pipes.
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 work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an online analytical meter preprocessing device comprises a three-way electromagnetic valve 1, a condenser 2 and an analytical meter component 4;
three-way electromagnetic valve 1: an air inlet above the three-way electromagnetic valve is communicated with an air outlet of a nitrogen pipeline 6 through an upper stainless steel pipe 7, an air inlet at the left end of the three-way electromagnetic valve 1 is communicated with the middle part of an equipment pipeline 5 through a left stainless steel pipe 7, an air inlet at the right end of the nitrogen pipeline 6 is communicated with an external medium-pressure nitrogen output device, an air inlet of the equipment pipeline 5 is communicated with a generating device of gas to be detected, initially, an upper end valve of the three-way electromagnetic valve 1 is in a closed state, valves at the left end and the right end are in a communicated state, every twenty-four hours, the three-way electromagnetic valve 1 sends a signal with a time duration of two minutes to a DCS control system, the DCS control system regulates and controls, the right end valve of the three-way electromagnetic valve 1 is closed and the upper end valve is opened, at the moment, because the self-pressure of medium, blowing away the pulverized coal sundries in the equipment pipeline 5, resetting the three-way electromagnetic valve 1 after two minutes, and enabling the left end and the right end of the three-way electromagnetic valve 1 to be in a communicated state;
a condenser 2: a left end air inlet is communicated with a right end air outlet of a three-way electromagnetic valve 1 through a stainless steel pipe 7 in the middle, a sewage discharge electromagnetic valve 3 is connected in series in an air outlet pipe at a sewage discharge position at the bottom end of a condenser 2 and is regulated and controlled through an external control switch, an air suction pump in an analysis meter assembly 4 operates, the air suction pump in the analysis meter assembly 4 pumps gas in an equipment pipeline 5 into the condenser 2 through the three-way electromagnetic valve 1, the condenser 2 is cooled, meanwhile, after the three-way electromagnetic valve 1 receives a signal for thirty seconds, the DCS controls a switch system to regulate and control, the sewage discharge electromagnetic valve 3 is opened, redundant condensate water in the condenser 2 flows out of the sewage discharge electromagnetic valve 3 under the action of gravity, then the sewage discharge electromagnetic valve 3 is closed together with the three-way electromagnetic valve 1;
analytical watch component 4: the left end air inlet of the gas-liquid separation device is communicated with the right end air outlet of the condenser 2 through a stainless steel pipe 7 on the right side, the stainless steel pipe 7 is a stainless steel pipe with the diameter of ten centimeters, cooled gas sequentially passes through a drying agent and a fine filter of the analysis meter assembly 4 by an air suction pump in the analysis meter assembly 4, the analysis meter assembly 4 analyzes the rest components after the gas passes through the drying agent and the fine filter, the display control is performed on the DCS, the stainless steel pipe 7 is used for communicating the whole device, and the normal work of the device is guaranteed.
Wherein: the input ends of the three-way electromagnetic valve 1 and the condenser 2 are electrically connected with an external DCS control switch system, so that the structural integrity of the device is ensured.
When in use: after the device is installed, firstly, the upper end valve of the three-way electromagnetic valve 1 is in a closed state, the valves at the left end and the right end are in a communicated state, the air pump in the analysis meter component 4 operates through an external control switch, the air pump in the analysis meter component 4 pumps the gas in the equipment pipeline 5 into the condenser 2 through the three-way electromagnetic valve 1, the condenser 2 is cooled, then the air pump in the analysis meter component 4 sequentially passes through a drying agent and a fine filter of the analysis meter component 4, the gas is dried and in a pot, the analysis meter component 4 analyzes the remaining components and displays and controls the components on the DCS, and simultaneously, every twenty-four hours, the three-way electromagnetic valve 1 sends a signal with the duration of two minutes to the DCS control system, the DCS control system regulates, the right end valve of the three-way electromagnetic valve 1 is closed and the upper end valve is opened, at the moment, because the self-pressure of the medium-pressure nitrogen in the nitrogen pipeline 6 is larger, the medium-pressure nitrogen in the nitrogen pipeline 6 reversely blows the equipment pipeline 5 through the three-way electromagnetic valve 1, pulverized coal sundries in the equipment pipeline 5 are blown away, the three-way electromagnetic valve 1 resets after two minutes, the left end and the right end of the three-way electromagnetic valve 1 are in a communicated state, meanwhile, after the three-way electromagnetic valve 1 receives a signal for thirty seconds, the signal is regulated and controlled through a DCS control switch system, the blowdown electromagnetic valve 3 is opened, redundant condensate water in the condenser 2 can flow out from the blowdown electromagnetic valve 3 under the action of gravity, then the blowdown electromagnetic valve 3 is closed together with the three-way electromagnetic valve 1, the steps are repeated, and the gas is continuously.
It should be noted that the three-way electromagnetic valve 1 disclosed in the present embodiment may be selected from a T28 electronic type electric three-way confluence regulating valve of the north-Shanghai automated science and technology ltd, the blowdown electromagnetic valve 3 may be selected from a T26 electronic type electric single-seat regulating valve of the north-Shanghai automated science and technology ltd, and the DCS control switch system controls the three-way electromagnetic valve 1 and the condenser 2 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An online analysis table preprocessing device is characterized in that: comprises a three-way electromagnetic valve (1), a condenser (2) and an analysis meter component (4);
three-way solenoid valve (1): an air inlet above the three-way electromagnetic valve is communicated with an air outlet of a nitrogen pipeline (6) through an upper stainless steel pipe (7), and an air inlet at the left end of the three-way electromagnetic valve (1) is communicated with the middle part of an equipment pipeline (5) through a left stainless steel pipe (7);
condenser (2): the left air inlet of the three-way electromagnetic valve is communicated with the right air outlet of the three-way electromagnetic valve (1) through a stainless steel pipe (7) in the middle;
analytical watch component (4): the left air inlet is communicated with the right air outlet of the condenser (2) through a stainless steel pipe (7) on the right side;
wherein: the input ends of the three-way electromagnetic valve (1) and the condenser (2) are electrically connected with an external DCS control switch system.
2. The on-line analysis table preprocessing device according to claim 1, wherein: and the right end air inlet of the nitrogen pipeline (6) is communicated with an external medium-pressure nitrogen output device.
3. The on-line analysis table preprocessing device according to claim 1, wherein: and a blowdown electromagnetic valve (3) is connected in series in an air outlet pipe at the blowdown position at the bottom end of the condenser (2).
4. The on-line analysis table preprocessing device according to claim 1, wherein: and the air inlet of the equipment pipeline (5) is communicated with a generating device of gas to be detected.
5. The on-line analysis table preprocessing device according to claim 1, wherein: the stainless steel pipes (7) are all stainless steel pipes with the diameter of ten centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022415978.8U CN213121845U (en) | 2020-10-27 | 2020-10-27 | Online analysis table preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022415978.8U CN213121845U (en) | 2020-10-27 | 2020-10-27 | Online analysis table preprocessing device |
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| Publication Number | Publication Date |
|---|---|
| CN213121845U true CN213121845U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022415978.8U Active CN213121845U (en) | 2020-10-27 | 2020-10-27 | Online analysis table preprocessing device |
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| CN (1) | CN213121845U (en) |
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- 2020-10-27 CN CN202022415978.8U patent/CN213121845U/en active Active
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