CN204758564U - A check out test set for detecting release flue gas during casting of tectorial membrane sand - Google Patents
A check out test set for detecting release flue gas during casting of tectorial membrane sand Download PDFInfo
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- CN204758564U CN204758564U CN201520353180.1U CN201520353180U CN204758564U CN 204758564 U CN204758564 U CN 204758564U CN 201520353180 U CN201520353180 U CN 201520353180U CN 204758564 U CN204758564 U CN 204758564U
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- gas
- air collector
- flue gas
- precoated sand
- release flue
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Abstract
The utility model relates to a foundry industry technical field especially relates to a check out test set for detecting release flue gas during casting of tectorial membrane sand. Wherein, the utility model provides a check out test set for detecting release flue gas during casting of tectorial membrane sand includes heating furnace, gas collection jar and gas sensor, the gas collection jar with the heating furnace intercommunication, gas sensor sets up on the gas collection jar, through putting into the heating furnace internal heating with tectorial membrane sand, simulate the burning of tectorial membrane sand under the cast temperature, collect the gas that the burning produced through the gas collection jar to use gas sensor to detect the constitution and the gaseous concentration of the gas that tectorial membrane sand produced in the casting, it is wider that gas sensor can measure gaseous scope, compares with spectrophotometer's method, and it is comprehensive more accurate that it is measured the gas component, and the utility model provides a detection mechanism simple structure, gas collection are convenient more, the measurement is easier, and measuring efficiency is higher.
Description
Technical field
The utility model relates to foundry industry technical field, particularly relates to a kind of checkout equipment for detecting release flue gas when precoated sand is cast.
Background technology
Along with the development that deepens continuously of casting industry Green Process, the environmental protection characteristic of existing casting auxiliary material is also constantly challenged, precoated sand endangers the generation rate of gas when having good low odor profiles and high temperature casting under cast temperature condition, can improve the working environment of casting workshop and casting shop worker like this; It is requiring to meet on the basis of existing casting process, reduces the vapour amount of unwanted volatile, to reduce the pollution to environment.
Precoated sand usually can discharge the objectionable impuritiess such as ammonia, formaldehyde, phenol in the process of casting, and these objectionable impuritiess evaporate in air, work the mischief to the healthy of workman, contaminated environment that simultaneously can be serious; In casting core process, objectionable impurities residual on precoated sand can further evaporate, and affects the yield rate of foundry goods, serious pollution is caused to environment simultaneously, especially oxynitrides, too much excessive discharge can cause photo-chemical smog, the health of final harm humans.
At present, for the quality of precoated sand, common concern be precoated sand intensity, get angry, the index such as burning decrement, effective detection means is lacked for the gas characteristic discharged in casting cycle, gas passes in water and absorbs by the employing of part resin processing plant, then adopts spectrophotometric method to test the content of ammonia and formaldehyde-phenol.
Therefore, for above deficiency, need to provide a kind of checkout equipment that effectively can detect precoated sand release flue gas when casting.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is: lack the apparatus and method for detecting precoated sand characteristic of release flue gas when casting at present, and use ultraviolet spectrophotometer or chemistry titration measurement to be merely able to measure several gases of ammonia, formaldehyde and the minority such as phenol, oxynitrides, measuring period, long measurement had some limitations, and it is also lower to measure efficiency.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of checkout equipment for detecting release flue gas when precoated sand is cast, comprise heating furnace, air collector and gas sensor, described air collector is communicated with described heating furnace, described gas sensor is arranged on described air collector, for the composition of gas in measuring set gas tank and the concentration of gas.
Wherein, described air collector is communicated with described air collector by the first connecting tube, and described air collector is provided with vacuum table.
Wherein, filter mechanism is provided with in described first connecting tube.
Wherein, described filter mechanism is glass fiber mesh.
Wherein, also comprise vacuum pump, described vacuum pump is communicated with air collector by the second connecting tube.
Wherein, described second connecting tube is also provided with switch valve.
Wherein, described air collector is also provided with the air refreshing tube be in communication with the outside, described air refreshing tube is provided with switch valve.
Wherein, described heating furnace is tubular furnace.
Wherein, described gas sensor comprises probe and Displaying Meter, and described probe is positioned at air collector inside, and described Displaying Meter is positioned at the outside of described air collector.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the utility model provides a kind of checkout equipment for detecting release flue gas when precoated sand is cast, comprise heating furnace, air collector and gas sensor, described air collector is communicated with described heating furnace, described gas sensor be arranged on described air collector, heat by precoated sand is put into heating furnace, simulate the environment of precoated sand when casting, namely in the burning of simulating precoated sand under cast temperature, the gas of burning generation is collected by air collector, and use gas sensor detection to detect precoated sand at the composition of gas and the concentration of gas that produce of casting, gas sensor can measurement gas wider, compared with spectrophotometric method, it is measured more comprehensively accurately gas composition, and testing agency's structure that the utility model provides is simple, gas collection is convenient, measurement is more prone to, and the efficiency of measurement is higher.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the utility model will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the checkout equipment for detecting release flue gas when precoated sand is cast described in the utility model embodiment.
Wherein, the corresponding relation in Fig. 1 between Reference numeral and component names is:
1, tubular furnace, 2, air collector, 21, gas sensor, the 22, first connecting tube, 221, condensing mechanism, 23, air refreshing tube, 24, vacuum table, 3, vacuum pump, the 31, second connecting tube, 5, switch valve.
Embodiment
In description of the present utility model, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of checkout equipment for detecting release flue gas when precoated sand is cast, comprise heating furnace, air collector 2 and gas sensor 21, described air collector 2 is communicated with described heating furnace, described gas sensor 21 is arranged on described air collector 2, for the composition of gas in measuring set gas tank 2 and the concentration of gas.The utility model provides a kind of checkout equipment for detecting release flue gas when precoated sand is cast, comprise heating furnace, air collector 2 and gas sensor 21, described air collector 2 is communicated with described heating furnace, described gas sensor 21 is connected with described air collector 2, heat by precoated sand is put into heating furnace, simulate the environment of precoated sand when casting, namely the burning of precoated sand under cast temperature is simulated, the gas of burning generation is collected by air collector, and use gas sensor 21 detection to detect precoated sand at the composition of gas and the concentration of gas that produce of casting, gas sensor 21 can measurement gas wider, compared with spectrophotometric method, it is measured more comprehensively accurately gas composition, and testing agency's structure that the utility model provides is simple, gas collection is convenient, measurement is more prone to, and the efficiency of measurement is higher.
Gas sensor 21 comprises the probe and instrument display section that contact with tested gas, and wherein, probe puts in described air collector 2, and it is outside that instrument display section is positioned at air collector 2, is convenient to observe and detects data.
Wherein, heating furnace is tubular furnace 1; tubular furnace 1 can adapt to high-temperature heating (temperature is at 1400-1600 DEG C); equally also can according to the demand of heating-up temperature; heating furnace is replaced to other heating arrangements, as heating plate etc., the object of the application can be realized equally; its aim does not depart from design philosophy of the present utility model, should belong to protection domain of the present utility model.
Preferably, described checkout equipment also comprises vacuum pump 3, described vacuum pump 3 is communicated with air collector 2 by the second connecting tube 31, described second connecting tube 31 is provided with switch valve 5, vacuum pump 3 can be utilized in use to be evacuated by air collector 2, form negative pressure, by negative pressure, the gas in tubular furnace 1 can be compressed into air collector 2 like this, by arranging the gas in collection gas tank 2 that vacuum pump 3 can be convenient; Preferably described air collector 2 is also provided with vacuum table 24, comes whether form negative pressure in measuring set gas tank 2 by vacuum table 24, ensure that the gas in tubular furnace 1 can be pressed in air collector 2.
Certainly; also other mechanism can be adopted to collect the demand of tubular type furnace gas; as be communicated with described air collector 2 and as described in unidirectional exhaust fan is set in the second connecting line of producing of gas; equally also can realize simple, convenient object of collecting tubular type furnace gas; its aim does not depart from design philosophy of the present utility model, should belong to protection domain of the present utility model.
Preferably, described air collector 2 is also provided with the air refreshing tube 23 be in communication with the outside, described air refreshing tube 23 is provided with switch valve 5, after the gas detect in air collector 2 is completed, open the switch valve 5 on air refreshing tube 23, and by vacuum pump 3, the gas in air collector 2 is discharged, ventilation is carried out to air collector 2 convenient, a measurement environment accurately can be provided for measuring next time, avoid the gas that last time, measurement was left over to impact new measurement, ensure the accuracy that whole measuring mechanism is measured.
Particularly, filter mechanism (not shown) is also provided with in described first connecting tube 22, described filter mechanism can filter the gas adding and to import in high temperature process furnances 1 in air collector 2, the solid granule produced when mainly filtering precoated sand burning, ensure the accuracy measured, simultaneously on the first connecting pipe, preferably described filter mechanism is glass fiber mesh.
Certainly, other device also can be adopted in the above-described embodiments to filter the gas that precoated sand burning produces, and can realize the object of the application equally, its aim does not depart from design philosophy of the present utility model, should belong to protection domain of the present utility model.
Preferably, described first connecting tube 22 is also provided with condensing mechanism 221, cooled by the high-temperature gas (700-800 DEG C) produced in condensing mechanism 221 pairs of tubular furnace 1, be cooled to enter in air collector after suitable temperature through apparatus for supercooling and measure, the accuracy measured can be ensured; Preferably, adopt the mode of water-cooled to cool, other the type of cooling can realize in the application equally to the object cooled certainly.
The using method of the checkout equipment for detecting release flue gas when precoated sand is cast that the utility model also provides, comprises the following steps:
S1, opens tubular furnace 1 switch and is warming up to preset temperature;
S2, makes pellet, and pellet is cooled to room temperature;
S3, treats that temperature arrives design temperature, takes pellet and puts into tubular furnace 1 (particularly, the quality of described pellet is 8g), burn 2 minutes;
S4, air collector 2 is evacuated by the latter one minute startup vacuum pump 3 that burns, and after having burnt, opens the switch valve 5 on the first connecting tube 22, is imported to by gas in air collector 2, closes vacuum pump 3; Tested by gas sensor 21, and record data;
S5, closes the switch valve 5 on the first connecting tube 22, opens the switch valve 5 on air refreshing tube 23, starts vacuum pump 3, is discharged by the gas in air collector 2;
S6, the residual sample of remaining precoated sand in cleaning tubular furnace 1.
In the above-mentioned methods; also can be that gas sensor is not arranged on air collector; but after collecting gas by air collector; again the probe of gas bed sensor is extend in air collector and the characteristic of gas is detected; the object of the application can be realized equally; its aim does not depart from design philosophy of the present utility model, should belong to protection domain of the present utility model.
Adopting said method, detecting the characteristic of gas that precoated sand produces when casting, more convenient, and use gas sensor 21 to measure, the accuracy, better comprehensive that gas sensor 21 is measured, and the efficiency measured is also higher.
In sum, the utility model provides a kind of checkout equipment for detecting release flue gas when precoated sand is cast, comprise heating furnace, air collector and gas sensor, described air collector is communicated with described heating furnace, described gas sensor be arranged on described air collector, heat by precoated sand is put into heating furnace, simulate the environment of precoated sand when casting, the gas produced is collected by air collector, and use gas sensor detection to detect precoated sand at the composition of gas and the concentration of gas that produce of casting, gas sensor can measurement gas wider, compared with spectrophotometric method, it is measured more comprehensively accurately gas composition, and testing agency's structure that the utility model provides is simple, gas collection is convenient, measurement is more prone to, and the efficiency of measurement is higher.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. one kind for detect precoated sand casting time release flue gas checkout equipment, it is characterized in that: comprise heating furnace, air collector (2) and gas sensor (21), described air collector (2) is communicated with described heating furnace, described gas sensor (21) is arranged on described air collector (2), for the composition of measuring set gas tank (2) interior gas and the concentration of gas.
2. the checkout equipment for detecting release flue gas when precoated sand is cast according to claim 1, it is characterized in that: described air collector (2) is communicated with described air collector (2) by the first connecting tube (22), described air collector (2) is provided with vacuum table (24).
3. the checkout equipment for detecting release flue gas when precoated sand is cast according to claim 2, is characterized in that: be provided with filter mechanism in described first connecting tube (22).
4. the checkout equipment for detecting release flue gas when precoated sand is cast according to claim 3, is characterized in that: described filter mechanism is glass fiber mesh.
5. the checkout equipment for detecting release flue gas when precoated sand is cast according to claim 1, it is characterized in that: also comprise vacuum pump (3), described vacuum pump (3) is communicated with air collector (2) by the second connecting tube (31).
6. the checkout equipment for detecting release flue gas when precoated sand is cast according to claim 5, is characterized in that: described second connecting tube (31) is provided with switch valve (5).
7. the checkout equipment for detecting release flue gas when precoated sand is cast according to claim 1, it is characterized in that: described air collector (2) is also provided with scavenge trunk (23) road be in communication with the outside, described air refreshing tube (23) is provided with switch valve (5).
8. the checkout equipment for detecting release flue gas when precoated sand is cast according to claim 1, is characterized in that: described heating furnace is tubular furnace (1).
9. the checkout equipment for detecting release flue gas when precoated sand is cast according to claim 1, it is characterized in that: described gas sensor (21) comprises probe and Displaying Meter, it is inner that described probe is positioned at air collector (2), and described Displaying Meter is positioned at the outside of described air collector (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353180.1U CN204758564U (en) | 2015-04-24 | 2015-05-27 | A check out test set for detecting release flue gas during casting of tectorial membrane sand |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257978 | 2015-04-24 | ||
| CN201520353180.1U CN204758564U (en) | 2015-04-24 | 2015-05-27 | A check out test set for detecting release flue gas during casting of tectorial membrane sand |
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| Publication Number | Publication Date |
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| CN204758564U true CN204758564U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520353180.1U Expired - Fee Related CN204758564U (en) | 2015-04-24 | 2015-05-27 | A check out test set for detecting release flue gas during casting of tectorial membrane sand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950075A (en) * | 2015-04-24 | 2015-09-30 | 北京仁创科技集团有限公司 | Detection device and detection method for detecting flue gas released during coated sand casting |
-
2015
- 2015-05-27 CN CN201520353180.1U patent/CN204758564U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950075A (en) * | 2015-04-24 | 2015-09-30 | 北京仁创科技集团有限公司 | Detection device and detection method for detecting flue gas released during coated sand casting |
| CN107870221A (en) * | 2015-04-24 | 2018-04-03 | 北京仁创科技集团有限公司 | It is a kind of to be used to detect the detection device and method for discharging flue gas during precoated sand casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200720 Address after: 100085 room B, block B510, No. 9, 3rd Street, Beijing, Haidian District Patentee after: BEIJING RECHSAND SAND INDUSTRY SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 100085 B, Ka Wah building, No. 9, 3rd Street, Beijing, Haidian District, B508 Patentee before: BEIJING RECHSAND SCIENCE & TECHNOLOGY GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200907 Address after: 100085, building 4, building 602, east east, Beijing, Haidian District Patentee after: BEIJING RENCHUANG SAND INDUSTRY CASTING MATERIALS Co.,Ltd. Address before: 100085 room B, block B510, No. 9, 3rd Street, Beijing, Haidian District Patentee before: BEIJING RECHSAND SAND INDUSTRY SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |