CN115266221A - Heat conduction oil sampling equipment for boiler - Google Patents
Heat conduction oil sampling equipment for boiler Download PDFInfo
- Publication number
- CN115266221A CN115266221A CN202211210081.9A CN202211210081A CN115266221A CN 115266221 A CN115266221 A CN 115266221A CN 202211210081 A CN202211210081 A CN 202211210081A CN 115266221 A CN115266221 A CN 115266221A
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- sleeve
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- boiler
- conduction oil
- pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1056—Disposable (single-use) samplers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Hydrology & Water Resources (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides heat conduction oil sampling equipment for a boiler, which comprises a boiler body and a sampling unit, wherein the boiler body comprises an oil outlet pipe arranged on one side of the top of the boiler body and an oil return pipe arranged on the other side of the top of the boiler body, and the oil outlet pipe is horizontally provided with a through hole; the sampling unit comprises a sleeve arranged on the oil outlet pipe, the sleeve is arranged in a hollow manner, the inner space of the sleeve is communicated with the through hole, and the sleeve is provided with an adjusting piece; the heat conduction oil is continuously heated through the boiler body, and the heat conduction oil expands when being heated and flows into the sleeve along the through hole on the oil outlet pipe, so that the heat conduction oil is automatically sampled without manual control; the rack ascends to enable the transmission gear to drive the adjusting gear to rotate, so that the adjusting gear drives the adjusting sheet to rotate by taking the connecting shaft as a circle center through the connecting rod, the oil outlet pipe is gradually opened, and heat transfer oil can be normally exchanged while automatic sampling is completed.
Description
Technical Field
The invention belongs to the field of boiler sampling, and particularly relates to automatic sampling equipment for filtered internal heat conduction oil, so as to optimize a sampling equipment mechanism.
Background
The heat conduction oil has good thermal cracking resistance and chemical oxidation resistance, and meanwhile, the heat conduction oil has good heat transfer efficiency and can effectively absorb heat energy, so that the heat conduction oil has more applications in the boiler industry.
The prior patent (publication number: CN 113865206A) discloses a sampling and cooling device for an organic heat carrier boiler and a working method thereof, wherein the organic heat carrier boiler is connected with process heat equipment through a circulating pump; the organic heat carrier furnace is provided with a sampling cooler, and the sampling cooler is connected to the inlet and the outlet of the circulating pump through a sampling valve; the low-level oil storage tank is connected with the expansion tank through an oil replenishing pump; and a cooling medium is arranged in the sampling cooler and exchanges heat with the sample through the cooling medium.
In the process of realizing the invention, the inventor finds that the following problems in the prior art are not solved: when the conduction oil is sampled, the conduction oil still needs to be manually controlled to be sampled.
In summary, the present invention provides a heat conducting oil sampling device for a boiler to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides heat conduction oil sampling equipment for a boiler, which aims to solve the problem that heat conduction oil can be sampled only by manual control in the prior art.
A heat conduction oil sampling device for a boiler comprises a boiler body and a sampling unit, wherein the boiler body comprises an oil outlet pipe arranged on one side of the top of the boiler body and an oil return pipe arranged on the other side of the top of the boiler body, and the oil outlet pipe is horizontally provided with a through hole;
the sampling unit comprises a sleeve arranged on the oil outlet pipe, the sleeve is hollow, the inner space of the sleeve is communicated with the through hole, the sleeve is provided with an adjusting part, the on-off of the oil outlet pipe is adjusted through the adjusting part, when the heat transfer oil is heated, and the adjusting part closes the oil outlet pipe, the heat transfer oil is heated and expanded, so that the heat transfer oil enters the sleeve along the through hole in the oil outlet pipe, and the automatic sampling of the heat transfer oil is realized.
Preferably, the oil outlet pipe top is provided with a first limiting ring, the first limiting ring top is provided with a second limiting ring, the adjusting part is located between the first limiting ring and the second limiting ring, the oil outlet pipe and the adjusting part are connected through the first limiting ring, so that the adjusting part can adjust the on-off of the oil outlet pipe, and when the adjusting part closes the oil outlet pipe, the heat conduction oil can flow into the sleeve smoothly.
Preferably, many first spacing grooves have all vertically been seted up on first spacing ring and the second spacing ring, the first defeated oil pipe of second spacing ring top fixedly connected with, first defeated oil pipe one end extends the sleeve is connected first defeated oil pipe and regulating part through the second spacing ring for when the regulating part was opened out oil pipe, the conduction oil can be transported along first defeated oil pipe, thereby the smooth heat transfer that carries on.
Preferably, be provided with the spout on the sleeve inner wall, be provided with the slider in the spout, slider one side fixedly connected with kickboard, kickboard one side with the laminating of sleeve inner wall, kickboard top one side fixedly connected with rack, the spout carries on spacingly to slider, kickboard, rack, and when the conduction oil gets into the sleeve, drive kickboard and rack and carry out the displacement along the spout for mesh with the rack smoothly from the driving wheel.
Preferably, a rotating shaft is arranged in the sleeve and located at the top of the floating plate, one end of the rotating shaft is in shaft connection with the inner wall of the sleeve, a transmission gear is fixedly connected to the other end of the rotating shaft, a driven wheel is fixedly connected to the rotating shaft, the driven wheel is meshed with the rack, the floating plate drives the rack to ascend along with the continuous increase of heat conduction oil in the sleeve, so that the rack is meshed with the rack, the driven wheel and the transmission gear are driven to rotate, an adjusting piece is adjusted, an oil outlet pipe is gradually opened by the adjusting piece, and the heat conduction oil can normally exchange heat after the heat conduction oil sample is extracted by the device.
Preferably, the vertical ring channel of having seted up in sleeve top, the ring channel top is inlayed and is equipped with the top cap, run through on the top cap and be provided with defeated oil pipe of second, defeated oil pipe of second with the ring channel intercommunication leads the conduction oil after the heat transfer to the ring channel in through defeated oil pipe of second to cooling down the conduction oil in the sleeve, when being convenient for operating personnel detect, make the conduction oil in the ring channel have the heat, thereby the loss of reduction energy.
Preferably, a connecting pipe penetrates through one side of the sleeve horizontally, the connecting pipe is communicated with the annular groove, one end of the connecting pipe is communicated with the oil return pipe, heat conduction oil in the annular groove is guided to the oil return pipe through the connecting pipe, and then the heat conduction oil returns to the boiler body to realize circulation.
Preferably, the regulating part including set up in polylith adjustment sheet between first spacing ring and the second spacing ring, run through on the adjustment sheet and be provided with the connecting axle, the connecting axle with the adjustment sheet coupling, just the connecting axle both ends run through respectively first spacing ring and second spacing ring through the connecting axle for the adjustment sheet can rotate between first spacing ring and second spacing ring, thereby adjusts the break-make of oil pipe.
Preferably, the regulating part is including setting up in the adjusting gear in the first spacing ring and the second spacing ring outside, adjusting gear with drive gear meshes, many second spacing grooves have all vertically been seted up to adjusting gear both sides, be provided with the connecting rod between the adjusting gear, drive adjusting gear through drive gear and rotate, rethread connecting rod drives the adjustment sheet and uses the connecting axle to rotate as the centre of a circle to control the break-make of oil pipe, guarantee that equipment can take a sample the conduction oil smoothly.
Preferably, one end of the connecting rod is located in the first limiting groove, the other end of the connecting rod is located in the second limiting groove, and two ends of the connecting rod are respectively in shaft connection with the adjusting gear and the adjusting sheet.
Compared with the prior art, the invention has the following beneficial effects:
1. the heat conduction oil is continuously heated through the boiler body, and the heat conduction oil expands when being heated and flows into the sleeve along the through hole on the oil outlet pipe, so that the heat conduction oil is automatically sampled without manual control; the rack ascends to enable the transmission gear to drive the adjusting gear to rotate, so that the adjusting gear drives the adjusting sheet to rotate by taking the connecting shaft as a circle center through the connecting rod, the oil outlet pipe is gradually opened, and heat transfer oil can be normally exchanged while automatic sampling is completed.
2. According to the invention, after heat transfer oil completes heat exchange, the heat transfer oil sample in the sleeve is not taken out, and at the moment, the heat transfer oil is gradually cooled, so that the heat transfer oil sample in the sleeve can gradually flow back to the boiler body along the through hole and the oil outlet pipe, and unnecessary consumption of the heat transfer oil is reduced.
Drawings
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a schematic perspective view of the boiler body of the present invention;
FIG. 3 is a perspective view of a first stop collar according to the present invention;
FIG. 4 is a perspective view of the sleeve of the present invention;
FIG. 5 is a schematic perspective view of the interior of the sleeve of the present invention;
FIG. 6 is a perspective view of an adjustment member of the present invention;
FIG. 7 is a perspective view of a tab of the present invention;
fig. 8 is a perspective view of the adjustment gear of the present invention.
In the figure:
1. a boiler body; 11. an oil outlet pipe; 12. an oil return pipe; 13. a through hole; 14. a first limit ring; 15. a second stop collar; 16. a first limit groove; 17. a first oil delivery pipe; 2. a sampling unit; 21. a sleeve; 211. a chute; 212. a slider; 213. a floating plate; 214. a rack; 215. a rotating shaft; 216. a transmission gear; 217. a driven wheel; 218. an annular groove; 219. a top cover; 2110. a second oil delivery pipe; 2111. a connecting pipe; 22. an adjustment member; 221. a regulating sheet; 222. a connecting shaft; 223. an adjusting gear; 224. a second limit groove; 225. a connecting rod.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The first embodiment is as follows:
as shown in fig. 1 to 8, the present invention provides a heat conduction oil sampling device for a boiler, in this embodiment, the heat conduction oil sampling device for the boiler includes a sampling unit 2 for sampling heat conduction oil, including a sleeve 21 disposed on an oil outlet pipe 11 for carrying the sampled heat conduction oil, the sleeve 21 is disposed in a hollow manner, an inner space of the sleeve 21 is communicated with a through hole 13, and the sleeve 21 is provided with an adjusting member 22 for adjusting the on-off state of the oil outlet pipe 11; be provided with on the sleeve 21 inner wall and carry out spacing spout 211 to slider 212, be provided with in the spout 211 and carry out spacing slider 212 to kickboard 213, slider 212 one side fixedly connected with drives rack 214 and carries out the kickboard 213 of displacement along spout 211, kickboard 213 one side and the laminating of sleeve 21 inner wall, kickboard 213 top one side fixedly connected with drives from the rack 214 that driving wheel 217 carries out the rotation.
Further, a rotating shaft 215 for bearing a driving gear 216 and a driven gear 217 is arranged in the sleeve 21, the rotating shaft 215 is located at the top of the floating plate 213, one end of the rotating shaft 215 is coupled to the inner wall of the sleeve 21, the other end of the rotating shaft 215 is fixedly connected with the driving gear 216 for driving the adjusting gear 223 to rotate, the driven gear 217 which rotates along with the rack 214 is fixedly connected to the rotating shaft 215, and the driven gear 217 is meshed with the rack 214; the top of the sleeve 21 is vertically provided with an annular groove 218 for bearing heat conduction oil subjected to heat exchange, the top of the annular groove 218 is embedded with a top cover 219 for sealing the annular groove 218, the top cover 219 is provided with a second oil delivery pipe 2110 for delivering the heat conduction oil subjected to heat exchange to the annular groove 218 in a penetrating manner, and the second oil delivery pipe 2110 is communicated with the annular groove 218.
Further, a connecting pipe 2111 for conveying the heat conduction oil in the annular groove 218 to the oil return pipe 12 horizontally penetrates through one side of the sleeve 21, the connecting pipe 2111 is communicated with the annular groove 218, and one end of the connecting pipe 2111 is communicated with the oil return pipe 12; the adjusting part 22 comprises a plurality of adjusting pieces 221 which are arranged between the first limiting ring 14 and the second limiting ring 15 and control the on-off of the oil return pipe 12, a connecting shaft 222 which limits the first limiting ring 14 and the second limiting ring 15 penetrates through the adjusting pieces 221, the connecting shaft 222 is in shaft connection with the adjusting pieces 221, and two ends of the connecting shaft 222 penetrate through the first limiting ring 14 and the second limiting ring 15 respectively.
Further, the adjusting part 22 further comprises an adjusting gear 223 which is arranged outside the first limiting ring 14 and the second limiting ring 15 and rotates along with the transmission gear 216, the adjusting gear 223 is meshed with the transmission gear 216, a plurality of second limiting grooves 224 for accommodating one end of a connecting rod 225 are vertically formed in both sides of the adjusting gear 223, and the connecting rod 225 for connecting the adjusting gear 223 and the adjusting sheet 221 is arranged between the adjusting gears 223; one end of the connecting rod 225 is located in the first limiting groove 16, the other end of the connecting rod 225 is located in the second limiting groove 224, and two ends of the connecting rod 225 are respectively coupled to the adjusting gear 223 and the adjusting plate 221.
The operation process comprises the following steps: along with boiler body 1 is continuous to heat the conduction oil, the conduction oil is heated and is expanded, flows into sleeve 21 along through-hole 13 on oil pipe 11, carries out automatic sampling to the conduction oil, need not manual control, and when the conduction oil in sleeve 21 was constantly increased, floating plate 213 was along with the liquid level of conduction oil and is constantly risen to drive rack 214 along spout 211 and rise.
When the rack 214 rises, the rack 214 is meshed with the driven wheel 217 to drive the driven wheel 217 to rotate, and further drive the transmission gear 216 to rotate, so that the transmission gear 216 drives the adjusting gear 223 to rotate, and further the adjusting gear 223 drives the adjusting sheet 221 to rotate around the connecting shaft 222 as a circle center through the connecting rod 225, and therefore the oil outlet pipe 11 is opened step by step, and the heat transfer oil can be normally exchanged while automatic sampling is completed.
Further, the conduction oil that the heat transfer was accomplished gets into the ring channel 218 of seting up on the sleeve 21 through second oil pipe 2110, absorbs the heat of the conduction oil of sample in the sleeve 21, cools down the conduction oil of sample in the sleeve 21, and the rethread connecting pipe 2111 and time oil pipe 12 guide back to boiler body 1, and the probability of scalding when reducing operating personnel and taking out the conduction oil sample in the sleeve 21 reduces the consumption of heat energy simultaneously.
After the heat transfer oil completes heat exchange, the heat transfer oil sample in the sleeve 21 is not taken out, and at the moment, the heat transfer oil is gradually cooled, so that the heat transfer oil sample in the sleeve 21 gradually flows back to the boiler body 1 along the through hole 13 and the oil outlet pipe 11, and unnecessary consumption of the heat transfer oil is reduced.
When a plurality of groups of samples need to be taken for comparison, taking the initial state and one hour after heat exchange as examples: when the boiler body 1 heats the heat conduction oil, the heat conduction oil is heated to expand, and the heat conduction oil in an initial state can be sampled; when the heat conduction oil after one hour of heat exchange needs to be sampled, the first sample is taken out only one hour after heat exchange, and the heat conduction oil after one hour of heat exchange can be automatically sampled by the sampling device.
The second embodiment:
referring to fig. 1-6, this embodiment differs from the first embodiment in that: the boiler body 1 for heating the heat conduction oil comprises an oil outlet pipe 11 which is arranged on one side of the top of the boiler body 1 and used for leading the heated heat conduction oil out of the boiler body 1 and an oil return pipe 12 which is arranged on the other side of the top of the boiler body 1 and used for leading the heat conduction oil subjected to heat exchange to the boiler body 1, wherein the oil outlet pipe 11 is horizontally provided with a through hole 13 which enables the heat conduction oil subjected to thermal expansion to flow into the sleeve 21; the top of the oil outlet pipe 11 is provided with a first limiting ring 14 which is connected with the adjusting part 22 and the oil outlet pipe 11, the top of the first limiting ring 14 is provided with a second limiting ring 15 which is connected with the adjusting part 22 and the first oil conveying pipe 17, and the adjusting part 22 is positioned between the first limiting ring 14 and the second limiting ring 15; all vertically set up many first spacing grooves 16 that hold connecting rod 225 one end on first spacing ring 14 and the second spacing ring 15, 15 top fixedly connected with of second spacing ring guide conduction oil carry out the first defeated oil pipe 17 that the heat transfer was carried out, and sleeve 21 is extended to first defeated oil pipe 17 one end.
The operation process comprises the following steps: boiler body 1 heats the conduction oil of inside for the conduction oil is heated and is expanded, thereby makes the conduction oil along in oil pipe 11 and the through-hole 13 flow in sleeve 21, realizes the automatic sample of conduction oil.
Further, connect oil pipe 11 and regulating part 22 through first spacing ring 14 to make regulating part 22 can adjust the break-make of oil pipe 11, when regulating part 22 closed oil pipe 11, can let in the smooth inflow sleeve 21 of conduction oil, first defeated oil pipe 17 and regulating part 22 are connected to second spacing ring 15, when making regulating part 22 open oil pipe 11, the conduction oil can be transported along first defeated oil pipe 17, thereby smooth heat transfer carries out.
Embodiments of the present invention have been shown and described for purposes of illustration and description, it is to be understood that the same is by way of illustration and not of limitation, and that changes, modifications, substitutions and alterations may be made in the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a conduction oil sampling equipment for boiler which characterized in that includes:
the boiler comprises a boiler body (1) and a boiler body, wherein the boiler body comprises an oil outlet pipe (11) arranged on one side of the top of the boiler body (1) and an oil return pipe (12) arranged on the other side of the top of the boiler body (1), and the oil outlet pipe (11) is horizontally provided with a through hole (13);
the sampling unit (2) comprises a sleeve (21) arranged on the oil outlet pipe (11), the sleeve (21) is arranged in a hollow mode, the inner space of the sleeve (21) is communicated with the through hole (13), and the sleeve (21) is provided with an adjusting piece (22).
2. A conduction oil sampling device for a boiler as claimed in claim 1, wherein: the oil outlet pipe is characterized in that a first limiting ring (14) is arranged at the top of the oil outlet pipe (11), a second limiting ring (15) is arranged at the top of the first limiting ring (14), and the adjusting piece (22) is located between the first limiting ring (14) and the second limiting ring (15).
3. A conduction oil sampling apparatus for a boiler as claimed in claim 2, wherein: all vertically seted up many first spacing grooves (16) on first spacing ring (14) and second spacing ring (15), the first defeated oil pipe (17) of second spacing ring (15) top fixedly connected with, first defeated oil pipe (17) one end is extended sleeve (21).
4. A conduction oil sampling apparatus for a boiler as claimed in claim 3, wherein: the improved structure is characterized in that a sliding groove (211) is formed in the inner wall of the sleeve (21), a sliding block (212) is arranged in the sliding groove (211), a floating plate (213) is fixedly connected to one side of the sliding block (212), one side of the floating plate (213) is attached to the inner wall of the sleeve (21), and a rack (214) is fixedly connected to one side of the top of the floating plate (213).
5. The conduction oil sampling apparatus for the boiler according to claim 4, wherein: a rotating shaft (215) is arranged in the sleeve (21), the rotating shaft (215) is located at the top of the floating plate (213), one end of the rotating shaft (215) is connected with the inner wall of the sleeve (21) in a shaft mode, a transmission gear (216) is fixedly connected to the other end of the rotating shaft (215), a driven wheel (217) is fixedly connected to the rotating shaft (215), and the driven wheel (217) is meshed with the rack (214).
6. A conduction oil sampling device for a boiler as claimed in claim 1, wherein: the sleeve is characterized in that an annular groove (218) is vertically formed in the top of the sleeve (21), a top cover (219) is embedded into the top of the annular groove (218), a second oil conveying pipe (2110) penetrates through the top cover (219), and the second oil conveying pipe (2110) is communicated with the annular groove (218).
7. A conduction oil sampling apparatus for a boiler as claimed in claim 6, wherein: one side of the sleeve (21) is horizontally provided with a connecting pipe (2111) in a penetrating mode, the connecting pipe (2111) is communicated with the annular groove (218), and one end of the connecting pipe (2111) is communicated with the oil return pipe (12).
8. A conduction oil sampling apparatus for a boiler as claimed in claim 5, wherein: regulating part (22) including set up in polylith adjustment sheet (221) between first spacing ring (14) and second spacing ring (15), it is provided with connecting axle (222) to run through on adjustment sheet (221), connecting axle (222) with adjustment sheet (221) coupling, just connecting axle (222) both ends run through respectively first spacing ring (14) and second spacing ring (15).
9. A conduction oil sampling device for a boiler as claimed in claim 5, wherein: the adjusting piece (22) further comprises an adjusting gear (223) arranged on the outer sides of the first limiting ring (14) and the second limiting ring (15), the adjusting gear (223) is meshed with the transmission gear (216), a plurality of second limiting grooves (224) are vertically formed in two sides of the adjusting gear (223), and a connecting rod (225) is arranged between the adjusting gears (223).
10. A conduction oil sampling apparatus for a boiler as claimed in claim 9, wherein: one end of the connecting rod (225) is located in the first limiting groove (16), the other end of the connecting rod (225) is located in the second limiting groove (224), and two ends of the connecting rod (225) are respectively in shaft connection with the adjusting gear (223) and the adjusting sheet (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211210081.9A CN115266221B (en) | 2022-09-30 | 2022-09-30 | Conduction oil sampling equipment for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211210081.9A CN115266221B (en) | 2022-09-30 | 2022-09-30 | Conduction oil sampling equipment for boiler |
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| Publication Number | Publication Date |
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| CN115266221A true CN115266221A (en) | 2022-11-01 |
| CN115266221B CN115266221B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211210081.9A Active CN115266221B (en) | 2022-09-30 | 2022-09-30 | Conduction oil sampling equipment for boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117990426A (en) * | 2024-04-03 | 2024-05-07 | 华安检测集团有限公司 | Hydrogeology detects sampling device |
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| CN113413706A (en) * | 2021-07-09 | 2021-09-21 | 江苏科技大学 | Dust treatment device of plasma cutting machine |
| CN113865206A (en) * | 2021-10-11 | 2021-12-31 | 沈阳铝镁设计研究院有限公司 | Sampling cooling device for organic heat carrier boiler and working method thereof |
| CN217304458U (en) * | 2021-12-17 | 2022-08-26 | 连云港誉美电力机械有限公司 | Boiler sampling cooler |
| CN114582785A (en) * | 2022-02-09 | 2022-06-03 | 江苏友润微电子有限公司 | Chip frame clamp for preventing scratch for chip packaging |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117990426A (en) * | 2024-04-03 | 2024-05-07 | 华安检测集团有限公司 | Hydrogeology detects sampling device |
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| CN115266221B (en) | 2023-06-20 |
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