CN202049094U - Quick stabilizing apparatus for coal rock pulverized coal equilibrium water - Google Patents
Quick stabilizing apparatus for coal rock pulverized coal equilibrium water Download PDFInfo
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- CN202049094U CN202049094U CN2011201587486U CN201120158748U CN202049094U CN 202049094 U CN202049094 U CN 202049094U CN 2011201587486 U CN2011201587486 U CN 2011201587486U CN 201120158748 U CN201120158748 U CN 201120158748U CN 202049094 U CN202049094 U CN 202049094U
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- equilibrium water
- coal
- coal dust
- sample bin
- water fast
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Abstract
The utility model provides a quick stabilizing apparatus for coal rock pulverized coal equilibrium water, comprising a work chamber, a sample bin, a constant humidity pool and an airflow circulating system, wherein the work chamber is a sealing container; the sample bin, the constant humidity pool and the airflow circulating system are arranged in the work chamber; and the airflow circulating system is connected with the sample bin. The airflow circulating system is used for accelerating the moisture exchange of the sample surface and a humidity environment, so the testing period is greatly shortened; and in addition, the testing precision is further improved with real-time monitoring of the balance state of a sample, the subsequent experiment process based on coal rock pulverized coal equilibrium water measurement is accelerated, and the evaluation period of in situ coal-based reservoir parameters, such as gas content, density, absorbing ability and the like is also shortened.
Description
Technical field
The utility model relates to field of measuring technique, belong to a kind of make the coal petrography coal dust reach capacity fast the equilibrium water state quantitative test with declare the knowledge system, in particular to a kind of coal petrography coal dust equilibrium water fast and stable instrument.
Background technology
The sample that carries out original position (under the reservoir conditions) coal petrography isothermal absorption test is the coal petrography coal dust of certain particle size and the quality and the equilibrium water state that need reach capacity.Can simulate the original position moisture condition behind coal petrography coal dust (comprising coal petrography or coal dust) the saturation balance water.The height of sample moisture to the adsorptive power influence greatly, influencing the coal seam reservoirs adsorptive power estimates and gas saturation calculating, coal petrography saturation balance water process often needs long stabilization time in addition, prolonged the test period that the coal petrography adsorptive power is estimated, therefore can not satisfy the needs of present coal-seam gas experiment test fast development, set up coal petrography coal dust equilibrium water antihunt means perfect, fast quantification and manufacture experimently corresponding experimental facilities and seem most important.
Coal petrography coal dust saturation balance water operation is at present mainly finished by existing constant humidity drying box or vacuum drying chamber, be positioned in the internal stent of constant humidity drying box by the coal petrography coal dust with certain mass and humidity, manually the mass change of weighing coal petrography coal dust every day judges whether to reach balance.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art: the inside of drying box lacks the device that quickens the sample bin wetting balance, belong to passive equilibrium, equilibration time is long, in addition, during weighing coal petrography coal dust weight, need artificially manually the coal petrography coal dust in constant humidity drying box or the vacuum drying chamber to be taken out, take the weighing device weighing outside constant humidity drying box or the vacuum drying chamber, need in test repeatedly to repeat such process, and, operation can't be monitored sample humidity in real time and be changed, balance result is inaccurate, often causes a spot of overbalance or underbalance, influence absorption measurement result.
The utility model content
The utility model provides a kind of coal petrography coal dust equilibrium water fast and stable instrument, needs the long period just can reach the problem of equilibration time to solve prior art.In addition, the utility model will solve also that prior art adopts manual weighing and the big shortcoming of experimental error that causes.
For this reason, the utility model proposes a kind of coal petrography coal dust equilibrium water fast and stable instrument, described coal petrography coal dust equilibrium water fast and stable instrument comprises: operating room, described operating room are airtight container; Sample bin is arranged in the described operating room; The constant humidity pond is arranged in the described operating room; Airflow circulating system is arranged in the described operating room, and described airflow circulating system is connected with described sample bin.
Further, described airflow circulating system comprises ebullator and air delivering pipeline, and described air delivering pipeline connects described ebullator and described sample bin.
Further, described coal petrography coal dust equilibrium water fast and stable instrument also comprises: be arranged on the screen cloth in the described sample bin, described screen cloth carrying coal petrography coal dust sample, form the upper air space between the top of described screen cloth and described sample bin, form the lower stream of airflow space between the bottom of described screen cloth and described sample bin.
Further, the bottom of described sample bin has air flow inlet, and the top of described sample bin has air stream outlet, and described screen cloth is arranged between described air flow inlet and the described air stream outlet, and described airflow circulating system is connected with described air flow inlet.
Further, described coal petrography coal dust equilibrium water fast and stable instrument also comprises: LOAD CELLS that is connected with described sample bin and the data acquisition control system that is connected with described LOAD CELLS.
Further, described coal petrography coal dust equilibrium water fast and stable instrument also comprises: with temperature sensor and the humidity sensor that described sample bin is connected respectively, described temperature sensor is connected with described data acquisition control system with humidity sensor.
Further, described data acquisition control system is connected with computing machine, and described computer installation is outside described operating room.
Further, described coal petrography coal dust equilibrium water fast and stable instrument also comprises: temperature controller is arranged in the described operating room and connects described data acquisition control system.
Further, described constant humidity pond is arranged on the bottom of described operating room, and described sample bin is arranged on the top of described operating room.
Further, the number of described sample bin is a plurality of, and the described air flow inlet of each described sample bin is parallel with one another.
Owing to the utlity model has the described airflow circulating system that is connected with described sample bin, airflow circulating system has been accelerated the exchange of moisture of sample surfaces and humidity environment, shortened experimental period greatly, equilibration time was reduced to about 1 day by original 7 days to 15 days, the frequency of sample weighing once shortened to one hour once from 24 hours, the frequency standard of weighing is from being that unit shortens to hour being unit with the sky, can make national standard that coal petrography coal dust equilibrium water measures is the frequency progress with the sky to hour being frequency from original weighing, accelerated to be measured as the follow-up test progress on basis, shortened gas content with coal petrography coal dust equilibrium water, density, the evaluation cycle of original position base coal seam reservoirs parameters such as adsorptive power.
In addition, the utility model has adopted LOAD CELLS to be connected with sample bin, and be connected with data acquisition control system, thereby need not manually to weigh again, eliminated long-time manually the weigh error brought and the saturated halfway problem in equilibrium water of generation thereof at interval in the operation in the past, realized that the real-time dynamic monitoring sample quality changes, reached the purpose of automatic judgement water balance state, shortened experimental period greatly.And then temperature, the moisture condition of the strict monitoring experiment process of data acquisition control system are regulated temperature humidity automatically to initial set value, have improved conventional efficient greatly.
Description of drawings
Fig. 1 is the structural representation according to the coal petrography coal dust equilibrium water fast and stable instrument of the utility model embodiment.
The drawing reference numeral explanation:
1, temperature controller 2, operating room 3, constant humidity pond 41, ebullator 43, air delivering pipeline
5, screen cloth 6, sample bin 7, temperature sensor 8, humidity sensor 9, LOAD CELLS
10, data acquisition control system 11, computing machine
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.
As shown in Figure 1, comprise according to the coal petrography coal dust equilibrium water fast and stable instrument of the utility model embodiment: operating room 2, described operating room 2 is an airtight container; Sample bin 6 is arranged in the described operating room 2; Constant humidity pond 3 is arranged in the described operating room 2; Airflow circulating system is arranged in the described operating room 2, and described airflow circulating system is connected with described sample bin 6.Described constant humidity pond 3 can be arranged on the bottom of described operating room 2, and constant humidity pond 3 holds K
2SO
4Saturated solution is to keep the humidity of operating room 2, as long as the size in constant humidity pond 3 and shape can guarantee that the humidity of operating room 2 is constant.Described sample bin 6 is arranged on the top of described operating room 2.
Described airflow circulating system comprises ebullator 41 and air delivering pipeline 43, and described air delivering pipeline 43 connects described ebullator 41 and described sample bin 6.Ebullator 41 is air-breathing and formation air-flow from operating room 2, is transported in the sample bin 6 by air delivering pipeline 43 then.Ebullator 41 gas flows are big more can to quicken exchange of moisture more, but will prevent that gas flow is excessive and coal petrography coal dust sample is blown out sample bin 6.The gas flow scope of ebullator 41 can be elected 0～50ml/min as.
Described coal petrography coal dust equilibrium water fast and stable instrument also comprises: be arranged on the screen cloth 5 in the described sample bin 6, described screen cloth 5 carrying coal petrography coal dust samples (comprising coal petrography or coal dust), screen cloth 5 will guarantee that coal petrography coal dust sample can not leak down from screen cloth 5, also to make screen cloth can see through air-flow, coal petrography coal dust sample is passed by air-flow.Form the upper air space between the top of described screen cloth 5 and described sample bin 6, form the lower stream of airflow space between the bottom of described screen cloth 5 and described sample bin 6, so that air-flow passes coal petrography coal dust sample from top to bottom or from bottom to up, the acceleration level weighing apparatus.
The bottom of described sample bin 6 can have air flow inlet, and the top of described sample bin 6 has air stream outlet, and described screen cloth 5 is arranged between described air flow inlet and the described air stream outlet, and described airflow circulating system is connected with described air flow inlet.Like this, air-flow passes coal petrography coal dust sample from bottom to up, and the exchange of moisture of coal petrography coal dust sample and air-flow is more abundant, quick.The number of described sample bin 6 can be for a plurality of, to obtain a plurality of data simultaneously.The described air flow inlet of each described sample bin 6 is parallel with one another, and is identical with the exchange of moisture condition that keeps each described sample bin 6.
Described coal petrography coal dust equilibrium water fast and stable instrument also comprises: LOAD CELLS 9 that is connected with described sample bin 6 and the data acquisition control system 10 that is connected with described LOAD CELLS 9.LOAD CELLS 9 is arranged on the bottom of sample bin 6, and data acquisition control system 10 is arranged on outside the operating room 2, and data acquisition control system 10 is connected with LOAD CELLS 9 by circuit.Described coal petrography coal dust equilibrium water fast and stable instrument also comprises: with temperature sensor 7 and the humidity sensor 8 that described sample bin is connected respectively, described temperature sensor is connected with described data acquisition control system 10 with humidity sensor.Described coal petrography coal dust equilibrium water fast and stable instrument also comprises: temperature controller 1 is arranged in the described operating room 2 and connects described data acquisition control system 10.Temperature controller 1 can adopt various suitable types on the market, by temperature controller 1 and with being connected of data acquisition control system 10, temperature that can Control work chamber 2.
Data acquisition control system 10 can be collected parameters such as temperature, humidity, weight, and according to the temperature of real-time monitoring situation Control work chamber 2.Described data acquisition control system can be connected with computing machine 11, and described computing machine 11 is arranged on outside the described operating room 2.
The course of work of the present utility model is as follows:
By temperature controller 1, constant humidity pond 3, data acquisition control system 10 and computing machine 11, set temperature, the humidity of operating room 2, coal petrography coal dust sample is placed on the screen cloth 5 in each sample bin 6, the ON cycle pump, quicken the exchange of moisture of coal petrography coal dust sample particle surface and high velocity air, shortened equilibration time greatly.By the mass change of the automatic test sample of LOAD CELLS, monitor the water balance state in real time, the very first time obtains best equilibrium water saturated sample.Eliminate long-time manually the weigh error brought and the saturated halfway problem in equilibrium water of generation thereof at interval in the operation in the past, improved conventional efficient greatly.
The probe temperature of described coal petrography coal dust equilibrium water fast and stable instrument is 30 ℃, accuracy rating is ± 0.5 ℃, the gas flow scope is 0～50ml/min, precision is ± 0.1%, the scope of LOAD CELLS is 0～3000g, and precision is ± 0.02%, the scope 0～99% of humidity sensor, precision is ± 0.01%.The technical parameter of this system designs according to indoor environment and equilibrium water test environment fully, has good practicability.
Shortened the stable time of equilibrium water greatly by the method for quickening air-flow, equilibration time was reduced to about 1 day by original 7 days～15 days, can monitor equilibrium process in real time in addition, need not manual weighing can determine constantly stable the very first time, compare with the coal petrography coal dust equilibrium water stabilising arrangement of routine, improve work efficiency greatly, improved experimental precision.
Airflow circulating system of the present utility model has been accelerated the exchange of moisture of sample surfaces and humidity environment, and realized that the real-time dynamic monitoring sample quality changes, reach the purpose of automatic judgement water balance state, shortened experimental period greatly, temperature, the moisture condition of strict monitoring experiment process are regulated temperature humidity automatically to initial set value simultaneously.Eliminate long-time manually the weigh error brought and the saturated halfway problem in equilibrium water of generation thereof at interval in the operation in the past by LOAD CELLS 9, improved conventional efficient greatly.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.For each ingredient of the present utility model can make up under the condition of not conflicting mutually; any those skilled in the art; equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. a coal petrography coal dust equilibrium water fast and stable instrument is characterized in that, described coal petrography coal dust equilibrium water fast and stable instrument comprises:
Operating room, described operating room are airtight container;
Sample bin is arranged in the described operating room;
The constant humidity pond is arranged in the described operating room;
Airflow circulating system is arranged in the described operating room, and described airflow circulating system is connected with described sample bin.
2. coal petrography coal dust as claimed in claim 1 equilibrium water fast and stable instrument is characterized in that described airflow circulating system comprises ebullator and air delivering pipeline, and described air delivering pipeline connects described ebullator and described sample bin.
3. coal petrography coal dust as claimed in claim 1 equilibrium water fast and stable instrument, it is characterized in that, described coal petrography coal dust equilibrium water fast and stable instrument also comprises: be arranged on the screen cloth in the described sample bin, described screen cloth carrying coal petrography coal dust sample, form the upper air space between the top of described screen cloth and described sample bin, form the lower stream of airflow space between the bottom of described screen cloth and described sample bin.
4. coal petrography coal dust as claimed in claim 1 equilibrium water fast and stable instrument, it is characterized in that, the bottom of described sample bin has air flow inlet, the top of described sample bin has air stream outlet, described screen cloth is arranged between described air flow inlet and the described air stream outlet, and described airflow circulating system is connected with described air flow inlet.
5. coal petrography coal dust as claimed in claim 1 equilibrium water fast and stable instrument, it is characterized in that described coal petrography coal dust equilibrium water fast and stable instrument also comprises: LOAD CELLS that is connected with described sample bin and the data acquisition control system that is connected with described LOAD CELLS.
6. coal petrography coal dust as claimed in claim 5 equilibrium water fast and stable instrument, it is characterized in that, described coal petrography coal dust equilibrium water fast and stable instrument also comprises: with temperature sensor and the humidity sensor that described sample bin is connected respectively, described temperature sensor is connected with described data acquisition control system with humidity sensor.
7. coal petrography coal dust as claimed in claim 5 equilibrium water fast and stable instrument is characterized in that described data acquisition control system is connected with computing machine, and described computer installation is outside described operating room.
8. coal petrography coal dust as claimed in claim 5 equilibrium water fast and stable instrument is characterized in that, described coal petrography coal dust equilibrium water fast and stable instrument also comprises: temperature controller is arranged in the described operating room and connects described data acquisition control system.
9. coal petrography coal dust as claimed in claim 1 equilibrium water fast and stable instrument is characterized in that described constant humidity pond is arranged on the bottom of described operating room, and described sample bin is arranged on the top of described operating room.
10. coal petrography coal dust as claimed in claim 4 equilibrium water fast and stable instrument is characterized in that the number of described sample bin is a plurality of, and the described air flow inlet of each described sample bin is parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201587486U CN202049094U (en) | 2011-05-18 | 2011-05-18 | Quick stabilizing apparatus for coal rock pulverized coal equilibrium water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201587486U CN202049094U (en) | 2011-05-18 | 2011-05-18 | Quick stabilizing apparatus for coal rock pulverized coal equilibrium water |
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| Publication Number | Publication Date |
|---|---|
| CN202049094U true CN202049094U (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201587486U Expired - Lifetime CN202049094U (en) | 2011-05-18 | 2011-05-18 | Quick stabilizing apparatus for coal rock pulverized coal equilibrium water |
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| Country | Link |
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| CN (1) | CN202049094U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592687A (en) * | 2013-11-22 | 2014-02-19 | 中国石油化工集团公司 | Quantitative calculation method for coal and rock adsorbed gas content |
| CN104880353A (en) * | 2015-06-11 | 2015-09-02 | 中国矿业大学 | Multi-channel airflow uniform coal sample wetting device |
| CN110646577A (en) * | 2019-10-29 | 2020-01-03 | 宋泳 | Water activity detection method |
-
2011
- 2011-05-18 CN CN2011201587486U patent/CN202049094U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592687A (en) * | 2013-11-22 | 2014-02-19 | 中国石油化工集团公司 | Quantitative calculation method for coal and rock adsorbed gas content |
| CN104880353A (en) * | 2015-06-11 | 2015-09-02 | 中国矿业大学 | Multi-channel airflow uniform coal sample wetting device |
| CN104880353B (en) * | 2015-06-11 | 2017-12-29 | 中国矿业大学 | A kind of multichannel air-flow uniform wet coal sample device |
| CN110646577A (en) * | 2019-10-29 | 2020-01-03 | 宋泳 | Water activity detection method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |