CN204924740U - Automatic sampling device of portable sulfur trioxide chemical absorption - Google Patents
Automatic sampling device of portable sulfur trioxide chemical absorption Download PDFInfo
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- CN204924740U CN204924740U CN201520621768.0U CN201520621768U CN204924740U CN 204924740 U CN204924740 U CN 204924740U CN 201520621768 U CN201520621768 U CN 201520621768U CN 204924740 U CN204924740 U CN 204924740U
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- gas
- portable
- chemical
- stopple coupon
- sulfuric anhydride
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Abstract
The utility model provides an automatic sampling device of portable sulfur trioxide chemical absorption, includes sampling tube, filter, chemical absorption device, controlling means, filter connect at the sampling tube front end, the sampling tube outside is equipped with the heat preservation device, the chemical absorption device passes through the connecting pipe and links to each other with absorption liquid proportioning device and gaseous proportioning device respectively, absorption liquid proportioning device includes constant flow pump and absorption liquid storage tank, and constant flow pump and absorption liquid storage tank pass through the connecting pipe and connect, the utility model discloses simple structure, degree of automation be higher, the operation and carrying be convenient for, reaches multifunction, realizes monitoring multi -gas.
Description
Technical field
The invention belongs to a kind of stationary pollution source gas controlling device, be specifically related to a kind of simple, the portable sulfuric anhydride chemical absorbing automatic sampling apparatus that efficient, measuring accuracy is higher.
Background technology
Containing being very easily combined the SO forming sulfuric acid vapor with water vapour on a small quantity in fire coal boiler fume
3gas, the adiabatic condensation temperature of sulfureous in flue gas acid vapor is called acid dew point; Sulfuric acid vapor condensation on the heating surface of wall temperature lower than acid dew point can cause heavy corrosion phenomenon, and this is called dew point acid corrosion; SO in acid dew-point temperature and flue gas
3content is directly proportional, and is the exhaust gas temperature avoiding acid dew piont corrosion phenomenon erosion equipment to need to improve constantly boiler, but very easily causes the waste of heat energy like this, therefore monitor SO in flue gas
3content there is vital effect.
In order to measure component and the content of boiler smoke, need to carry out sampled measurements to the gas in flue; Due to SO
3the moisture absorbed in flue gas can react rapidly and generate sulfuric acid droplet, can cause SO
3being transferred in apparatus measures terminal procedures and with the condensation of sulfuric acid mist form and can sticking on instrumental transmission pipeline, cause sampling error and Corrosion monitoring instrument, therefore SO
3the degree of accuracy of Sample and measurement mode to flue gas monitoring result play decisive role; Existing fire coal boiler fume monitoring equipment however comparatively complicated with regard to structure, cause monitoring cost higher; Otherwise the sampling mode just taked comparatively backwardness, sampling effect is poor, easily cause sampling error, affect monitoring result, and existing sulfuric anhydride sample apparatus cannot realize the function of other gases being carried out to sampling monitoring simultaneously.
Summary of the invention
In order to solve the problem, provide the fire coal boiler fume sulfuric anhydride sampling apparatus that a kind of structure is simple, sampling is convenient, monitoring result is more accurate, automaticity is higher, the present invention devises a kind of portable sulfuric anhydride chemical absorbing automatic sampling apparatus.
Concrete technology contents of the present invention is:
A kind of portable sulfuric anhydride chemical absorbing automatic sampling apparatus, comprise stopple coupon, filtrator, chemical absorption arrangement, control device, filtrator is connected to stopple coupon front end, and described stopple coupon outside is provided with attemperator;
Chemical absorption arrangement is connected to stopple coupon rear end, and chemical absorption arrangement is connected with gas proportioning device with absorbing liquid proportioning device respectively by connecting pipe; Described absorbing liquid proportioning device comprises constant flow pump and absorbing liquid storage tank, and constant flow pump is connected by connecting pipe with absorbing liquid storage tank;
Described gasometry device comprises gas flow controller and gas sampling pump, and gas flow controller is connected by connecting pipe with gas sampling pump;
Control device connects absorbing liquid proportioning device, gasometry device and attemperator by signal transmssion line.
Filtrator is connected to stopple coupon front end by threaded engagement, and filter interior is provided with quartzy filter cotton and quartzy filtering membrane; Stopple coupon external insulation device is heating wire.
Chemical absorption arrangement is interconnective two impact type absorption bottles, fills sulfur trioxide absorption liquid in bottle, and one of them impact type absorption bottle is connected to stopple coupon rear end by cutting ferrule, and another impact type absorption bottle is connected on gasometry device; Described two impact type absorption bottles are equipped with the connecting pipe connecting absorbing liquid proportioning device.
Sulfuric anhydride sampling module and self-defined gas sample module is provided with in control device; By change temperature, constant flow pump flow and gas sample pump discharge, this device is met and sampling detection is carried out to multiple gases.
Connecting pipe that this device uses is polytetrafluoro pipe.
The control temperature of attemperator is 120-400 DEG C; The flow range of constant flow pump is 10-100ml/min; The volume of absorbing liquid storage tank is 100ml-300ml; The flow range of gas flow controller is 0-50L/min; The flow range of gas sample pump is 2-30L/min.
Beneficial effect of the present invention:
Structure of the present invention is simple, automaticity is higher, convenient operation and carrying, by carrying out the sampling of gas, liquid two kinds of forms to the SO3 in flue gas, more precise monitoring can analyze the content of SO3 in flue gas, and adjust exhaust gas temperature according to the content of SO3, reduce the corrosion to flue and miscellaneous equipment, farthest reduce the heat losses of boiler simultaneously, reduce thermal waste; Be provided with sulfuric anhydride sampling module and self-defined gas sample module in sampling controller, really reach one-machine-multi-function, realize monitoring multiple gases.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
1 be filtrator, 2 be stopple coupon, 3 be chemical absorption arrangement, 4 be absorbing liquid proportioning device, 5 be gasometry device, 6 be control device, 7 be gas flow controller, 8 be connecting pipe, 9 be cutting ferrule, 10 be signal transmssion line, 11 be quartzy filter cotton, 12 be quartzy filtering membrane, 13 be attemperator, 14 be impact type absorption bottle, 15 be gas sample pump, 16 be constant flow pump, 17 for absorbing liquid storage tank.
Embodiment
See Fig. 1: a kind of portable sulfuric anhydride chemical absorbing automatic sampling apparatus, comprise stopple coupon 2, filtrator 1, chemical absorption arrangement 3, control device 6, filtrator 1 is connected to stopple coupon 2 front end, and described stopple coupon 2 outside is provided with attemperator 13;
Chemical absorption arrangement 3 is connected to stopple coupon 2 rear end, and chemical absorption arrangement 3 is connected with gas proportioning device 5 with absorbing liquid proportioning device 4 respectively by connecting pipe 8; Described absorbing liquid proportioning device 4 comprises constant flow pump 16 and absorbing liquid storage tank 17, and constant flow pump 16 is connected by connecting pipe with absorbing liquid storage tank 17;
Described gasometry device 5 comprises gas flow controller 7 and gas sampling pump 15, and gas flow controller 7 is connected by connecting pipe with gas sampling pump 15;
Control device 6 connects absorbing liquid proportioning device 4, gasometry device 5 and attemperator 13 by signal transmssion line 10.
Filtrator 1 is connected to stopple coupon 2 front end by threaded engagement, and inside is provided with quartzy filter cotton 11 and quartzy filtering membrane 12; The attemperator 13 of stopple coupon 2 outside adopts heating wire.
Chemical absorption arrangement 3 is interconnective two impact type absorption bottles 14, fills sulfur trioxide absorption liquid in bottle, and one of them impact type absorption bottle 14 is connected to stopple coupon 2 rear end by cutting ferrule 9, and another impact type absorption bottle 14 is connected on gasometry device 5; Described two impact type absorption bottles 14 are equipped with the connecting pipe 8 connecting absorbing liquid proportioning device 4.
Sulfuric anhydride sampling module and self-defined gas sample module is provided with in control device 6;
Connecting pipe that this device uses is polytetrafluoro pipe.
The control temperature of attemperator is 120-400 DEG C; The flow range of constant flow pump is 10-100ml/min; The volume of absorbing liquid storage tank is 100ml-300ml; The flow range of gas flow controller is 0-50L/min; The flow range of gas sample pump is 2-30L/min.
Control device is set and connects absorbing liquid proportioning device, gasometry device and attemperator, make plant automation degree higher; Stopple coupon outside is provided with heating wire, prevents SO3 to be dissolved in steam and condenses on stopple coupon inwall, the precision that ensure that final sampling and measuring of high degree; Two SO3 compositions filled in the impact type absorption bottle absorption flue gas of SO3 absorbing liquid are set, and are provided with absorbing liquid proportioning device, gasometry device, draw the content of SO3 in flue gas according to SO3 content in absorbing liquid and the flue gas volume comparative analysis sampled; The present invention arranges the sampling monitoring that self-defined gas sample module can realize multiple gases.
Claims (7)
1. a portable sulfuric anhydride chemical absorbing automatic sampling apparatus, comprise stopple coupon, filtrator, chemical absorption arrangement, control device, is characterized in that: filtrator is connected to stopple coupon front end, and described stopple coupon outside is provided with attemperator;
Chemical absorption arrangement is connected to stopple coupon rear end, and chemical absorption arrangement is connected with gas proportioning device with absorbing liquid proportioning device respectively by connecting pipe; Described absorbing liquid proportioning device comprises constant flow pump and absorbing liquid storage tank, and constant flow pump is connected by connecting pipe with absorbing liquid storage tank;
Described gasometry device comprises gas flow controller and gas sampling pump, and gas flow controller is connected by connecting pipe with gas sampling pump;
Control device connects absorbing liquid proportioning device, gasometry device and attemperator by signal transmssion line.
2. portable sulfuric anhydride chemical absorbing automatic sampling apparatus according to claim 1, it is characterized in that: filtrator is connected to stopple coupon front end by threaded engagement, filter interior is provided with quartzy filter cotton and quartzy filtering membrane.
3. portable sulfuric anhydride chemical absorbing automatic sampling apparatus according to claim 1, is characterized in that: stopple coupon external insulation device is heating wire.
4. portable sulfuric anhydride chemical absorbing automatic sampling apparatus according to claim 1, it is characterized in that: chemical absorption arrangement is interconnective two impact type absorption bottles, sulfur trioxide absorption liquid is filled in bottle, one of them impact type absorption bottle is connected to stopple coupon rear end by cutting ferrule, and another impact type absorption bottle is connected on gasometry device; Described two impact type absorption bottles are equipped with the connecting pipe connecting absorbing liquid proportioning device.
5. portable sulfuric anhydride chemical absorbing automatic sampling apparatus according to claim 1, is characterized in that: be provided with sulfuric anhydride sampling module and self-defined gas sample module in control device.
6. portable sulfuric anhydride chemical absorbing automatic sampling apparatus according to claim 1-5 any one, is characterized in that: described connecting pipe is polytetrafluoro pipe.
7. portable sulfuric anhydride chemical absorbing automatic sampling apparatus according to claim 1-5 any one, is characterized in that: the control temperature of attemperator is 120-400 DEG C; The flow range of constant flow pump is 10-100ml/min; The volume of absorbing liquid storage tank is 100ml-300ml; The flow range of gas flow controller is 0-50L/min; The flow range of gas sample pump is 2-30L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520621768.0U CN204924740U (en) | 2015-08-18 | 2015-08-18 | Automatic sampling device of portable sulfur trioxide chemical absorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520621768.0U CN204924740U (en) | 2015-08-18 | 2015-08-18 | Automatic sampling device of portable sulfur trioxide chemical absorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204924740U true CN204924740U (en) | 2015-12-30 |
Family
ID=54973856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520621768.0U Expired - Fee Related CN204924740U (en) | 2015-08-18 | 2015-08-18 | Automatic sampling device of portable sulfur trioxide chemical absorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204924740U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043824A (en) * | 2015-08-18 | 2015-11-11 | 中国大唐集团科学技术研究院有限公司华中分公司 | Portable sulfur trioxide chemical absorption and automatic sampling device |
| CN107621393A (en) * | 2017-10-12 | 2018-01-23 | 国网河北能源技术服务有限公司 | Sulfur trioxide sampling apparatus and its method of testing in a kind of flue gas |
| CN110220755A (en) * | 2019-07-24 | 2019-09-10 | 福建省锅炉压力容器检验研究院 | A kind of stationary source sulfureous in flue gas acid mist sample devices |
-
2015
- 2015-08-18 CN CN201520621768.0U patent/CN204924740U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043824A (en) * | 2015-08-18 | 2015-11-11 | 中国大唐集团科学技术研究院有限公司华中分公司 | Portable sulfur trioxide chemical absorption and automatic sampling device |
| CN107621393A (en) * | 2017-10-12 | 2018-01-23 | 国网河北能源技术服务有限公司 | Sulfur trioxide sampling apparatus and its method of testing in a kind of flue gas |
| CN110220755A (en) * | 2019-07-24 | 2019-09-10 | 福建省锅炉压力容器检验研究院 | A kind of stationary source sulfureous in flue gas acid mist sample devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210818 |