CN111006456B - Water sample suspended solid drying box - Google Patents
Water sample suspended solid drying box Download PDFInfo
- Publication number
- CN111006456B CN111006456B CN201911142676.3A CN201911142676A CN111006456B CN 111006456 B CN111006456 B CN 111006456B CN 201911142676 A CN201911142676 A CN 201911142676A CN 111006456 B CN111006456 B CN 111006456B
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- China
- Prior art keywords
- cover body
- heat conduction
- bottom plate
- boss
- water sample
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
- F26B25/185—Spacers; Elements for supporting the goods to be dried, i.e. positioned in-between the goods to build a ventilated stack
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a water sample suspended matter drying box, which comprises a heat conduction bottom plate and a cover body, wherein a heat conduction boss is arranged on the heat conduction bottom plate, a step structure is formed between the heat conduction boss and the heat conduction bottom plate, an annular retaining ring is arranged on the heat conduction boss, the opening end of the cover body is pressed on the step surface of the step structure, gaps are reserved between the top surface of the cover body and the upper end surface of the annular retaining ring, and between the circumferential surface of the inner wall of the cover body and the annular retaining ring as well as between the circumferential surface of the inner wall of the cover body and the heat-conducting bottom plate, mounting grooves are arranged on the side surface of the heat-conducting boss, a spring sleeve is arranged in the mounting groove, a compression spring and a collision bead are arranged in the spring sleeve, the collision bead is partially exposed out of the spring sleeve, a clamping groove matched with the collision bead is arranged on the inner wall surface of the cover body, the sealing structure is characterized in that a sealing strip is arranged on the step surface of the step structure, a positioning convex ridge is arranged on the sealing strip, and a positioning groove matched with the positioning convex ridge is formed in the end surface of the opening end of the cover body. The invention has the advantages of ingenious structure, convenient use and good sealing property, and can improve the drying speed of the suspended matter sample and the filter paper.
Description
Technical Field
The invention relates to a blood sample storage device, in particular to a water sample suspended matter drying box.
Background
The suspended matter refers to solid matter suspended in water, and includes inorganic matter, organic matter, silt, clay, microbe, etc. insoluble in water. Suspended matter is the main cause of water turbidity. The organic suspended matters in the water body are easy to be fermented in an anaerobic way after being deposited, so that the water quality is deteriorated. Suspended substances in water mainly comprise silt, clay, protozoa, algae, bacteria, viruses, high molecular organic matters and the like, and are often suspended in water flow, and turbidity caused by the water is also caused by the substances. Therefore, the content of suspended matters in water is one of indexes for measuring the water pollution degree, and the determination of the content of the suspended matters has important significance in the monitoring process of the water body.
When measuring suspended matters in water, a filter paper method is generally adopted, and the principle is as follows: and filtering the water sample by using medium-speed quantitative filter paper, drying the filter paper at 103-105 ℃ to constant weight, and calculating to obtain the content of suspended matters. For example, chinese patent application publication No. CN 107764684A discloses a method for accurately measuring suspended substances in water, which comprises clamping a medium-speed quantitative filter paper with tweezers, transferring into an oven, oven-drying at 103-105 ℃ for half an hour, taking out, cooling in a dryer, weighing to room temperature, oven-drying repeatedly, cooling, weighing until the weight difference between two times of weighing is less than or equal to 0.2mg, folding the constant-weight medium-speed quantitative filter paper, placing into a funnel, placing into a triangular flask, weighing 50mL of a fully-mixed sample, filtering to allow the water to pass through the filter paper, transferring into the oven, oven-drying at 103-105 ℃ for one hour, transferring out, cooling to room temperature, weighing to obtain the weight, oven-drying repeatedly, cooling, weighing until the weight difference between two times of weighing is less than or equal to 0.4 mg.
At present, when the content of suspended matters in a water sample is determined by adopting a filter paper method, filter paper is usually directly placed in a weighing bottle for drying, a bottle cap of the weighing bottle is required to be taken away during drying so as to ensure that moisture and humidity in the filter paper and the sample can be fully escaped, and the bottle cap is required to be covered again during weighing so as to prevent the sample and the filter paper from absorbing moisture and CO in the air2Etc. owing to need dry repeatedly, cool off, weigh, just can make the weight difference twice around satisfy the survey requirement, need take away repeatedly or cover the bottle lid at this in-process, the operation is very loaded down with trivial details, in addition, when drying, the air in the weighing bottle is not circulated, and the moisture of evaporation overflows comparatively difficultly, leads to suspension sample and the difficult stoving of filter paper, and it is longer to cause the stoving time.
Disclosure of Invention
The invention provides a water sample suspended matter drying box which is ingenious in structure, convenient to use and good in sealing performance and can improve the drying speed of a suspended matter sample and filter paper, and aims to solve the technical problems that the operation is very complicated and the suspended matter sample and the filter paper are not easy to dry when the filter paper is directly placed in a weighing bottle for drying, so that the drying time is long.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a water sample suspended matter drying box, which comprises a heat conduction bottom plate and a cover body, wherein a heat conduction boss is arranged on the heat conduction bottom plate, a step structure is formed between the heat conduction boss and the heat conduction bottom plate, an annular retaining ring is arranged on the heat conduction boss, the opening end of the cover body is pressed on the step surface of the step structure, gaps are reserved between the top surface of the cover body and the upper end surface of the annular retaining ring, and between the circumferential surface of the inner wall of the cover body and the annular retaining ring as well as between the circumferential surface of the inner wall of the cover body and the heat-conducting bottom plate, mounting grooves are arranged on the side surface of the heat-conducting boss, a spring sleeve is arranged in the mounting groove, a compression spring and a collision bead are arranged in the spring sleeve, the collision bead is partially exposed out of the spring sleeve, a clamping groove matched with the collision bead is arranged on the inner wall surface of the cover body, the sealing structure is characterized in that a sealing strip is arranged on the step surface of the step structure, a positioning convex ridge is arranged on the sealing strip, and a positioning groove matched with the positioning convex ridge is formed in the end surface of the opening end of the cover body. The invention designs a water sample suspended matter drying box which replaces a weighing bottle and is specially used for drying water sample suspended matters, the inner diameter of an annular baffle ring is matched with the diameter of filter paper, the filtered filter paper is placed in the annular baffle ring for drying, a heat conduction bottom plate enables the box to be placed stably, and the heat conduction bottom plate and a heat conduction boss both have excellent heat conduction performance, so that the temperature of air in the annular baffle ring can be quickly increased, and the temperature increasing speed of the air in the annular baffle ring close to the heat conduction boss is higher than that of the air in the annular baffle ring close to the heat conduction boss, so that the air in the annular baffle ring can generate longitudinal convection, and the drying speed of the filter paper and the water sample suspended matters placed in the annular baffle ring can be accelerated; the collision bead plays a role in blocking and placing the cover body when the collision bead is dried, when the collision bead is placed in an oven for drying, the opening end surface of the cover body is placed on the collision bead, so that a gap is reserved between the cover body and the step surface, and meanwhile, a gap is reserved between the top surface of the cover body and the upper end surface of the annular retaining ring, the circumferential surface of the inner wall of the cover body and the annular retaining ring,Gaps are also reserved among the heat-conducting bottom plates, so that when the drying hood is used for drying, the internal space of the hood body is communicated with the outside, and evaporated moisture can quickly escape; when the weighing device needs weighing, the cover body is pressed downwards, the collision beads are extruded to retract into the spring sleeve in the downward pressing process of the cover body, when the end face of the opening end of the cover body is pressed downwards to be in contact with the sealing strip, the collision beads are popped out from the spring sleeve to be clamped into the clamping grooves and abut against the inner wall of the cover body, so that the cover body is limited to move longitudinally and transversely, the cover body is fixed on the heat conduction bottom plate and sealed with the sealing strip, the inner space of the cover body is isolated from the outside, and a sample and filter paper can be prevented from absorbing moisture and CO in the outside air in the weighing process2Etc.; when the heat conduction bottom plate needs to be dried again, the collision beads can be withdrawn from the clamping grooves only by holding the heat conduction bottom plate and quickly pulling up the cover body, so that the opening end faces of the cover body can be placed on the collision beads again, the heat conduction bottom plate can be placed into an oven for drying again, and the heat conduction bottom plate is very convenient to use; the sealing strip can improve sealed effect, and the location convex ridge of sealing strip can further improve sealed effect, and the convex ridge of location cooperatees with the constant head tank simultaneously, can the rapid judgement cover body whether assemble in place.
Preferably, the spring housing comprises a housing body and a bottom adjusting block, one end of the housing body is open, the other end of the housing body is provided with a ball hole with a diameter smaller than that of the collision ball, the inner wall of the open end of the housing body is provided with an internal thread, the outer circumferential surface of the bottom adjusting block is provided with an external thread, the bottom adjusting block is in threaded connection with the inner wall of the open end of the housing body, and the bottom adjusting block is provided with a straight groove. The compression degree of the compression spring can be adjusted by rotating the bottom adjusting block, so that the telescopic force of the collision bead is adjusted, and the assembly is very convenient.
Preferably, the heat-conducting bottom plate and the heat-conducting boss are of a homogeneous and integrated structure, and the heat-conducting bottom plate and the heat-conducting boss are both made of heat-conducting metal materials. The metal material can be aluminum, stainless steel, copper and the like, and can be any metal material with good heat-conducting property, and the metal material is heavier, so that the invention is more stable to place and is not easy to overturn.
Preferably, the heat-conducting bottom plate and the heat-conducting boss are both rectangular plate-shaped structures.
Preferably, a guide angle is arranged at the corner position of the top surface of the heat conduction boss. The corner position of heat conduction boss top surface is equipped with the guide angle, is convenient for buckle down fast of the cover body.
Preferably, the cover body is transparent, and rectangular grooves are formed in two sides of the cover body. The cover body is transparent, so that observation is convenient, and the grooves are convenient for fingers to grasp and apply force.
Preferably, four corners of the cover body are rounded.
Preferably, the annular baffle ring is provided with a clamping gap. The clamping gap is an opening on the annular retaining ring, so that the tweezers can clamp the filter paper in the annular retaining ring conveniently.
Preferably, the circumferential surface of the annular baffle ring is provided with circulation holes at intervals along the circumferential direction, and the circulation holes are oblong holes. The circulation hole is convenient for accelerate the circulation of the air in the cover body, and is favorable for improving the drying effect.
Preferably, a compression reset cavity with a circular section is arranged in the sealing strip. The compression reset cavity has certain anti-deformation capacity, can accommodate the deformation amount generated when the sealing strip is extruded, and simultaneously enables the sealing convex ridge to be always positioned in the positioning groove.
Therefore, the invention has the following beneficial effects:
(1) the heat conduction bottom plate and the heat conduction boss have excellent heat conduction performance, and can promote the circulation of air in the annular retaining ring, so that the drying speed of filter paper and water sample suspended matters placed in the annular retaining ring can be increased;
(2) through the cooperation between colliding ball, compression spring and draw-in groove, can realize the intercommunication or the isolated of cover body inner space and external fast, can make the moisture of evaporation can flee fast when drying, then can avoid sample and filter paper to absorb moisture and CO in the outside air when weighing2Etc., the use is very convenient;
(3) by matching the positioning convex ridge and the positioning groove, the invention has good sealing effect during weighing and is beneficial to quickly judging whether the cover body is assembled in place.
Drawings
Fig. 1 is a perspective view of the present invention for weighing.
Fig. 2 is a cross-sectional view taken along a-a of fig. 1.
Fig. 3 is a top view of the connection of the heat conducting base plate, the heat conducting boss and the annular baffle ring of fig. 2.
Fig. 4 is a partially enlarged view of a portion a in fig. 2.
Fig. 5 is a sectional view of fig. 2 when used for drying.
Fig. 6 is a partially enlarged view at B in fig. 5.
In the figure: the heat conduction bottom plate 1, the cover body 2, heat conduction boss 3, stair structure 4, annular fender ring 5, mounting groove 6, compression spring 7, collision bead 8, draw-in groove 9, sealing strip 10, location convex ridge 11, constant head tank 12, the cover body 13, bottom regulating block 14, straight line groove 15, guide angle 16, rectangle grooving 17, press from both sides and get breach 18, circulation hole 19, compression chamber 20 that resets.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The water sample suspended matter drying box shown in the figures 1, 2 and 3 comprises a heat conduction bottom plate 1 and a cover body 2, wherein a heat conduction boss 3 is formed on the heat conduction bottom plate in a protruding mode, the heat conduction bottom plate and the heat conduction boss are both of rectangular plate-shaped structures made of heat conduction metal materials (aluminum), a step structure 4 is formed between the heat conduction boss and the heat conduction bottom plate (shown in figure 4), guide corners 16 are arranged at the corner positions of the top surface of the heat conduction boss, annular baffle rings 5 are welded on the heat conduction boss, circulation holes 19 are formed in the circumferential surface of each annular baffle ring at intervals along the circumferential direction and are long round holes, clamping notches 18 are further formed in the annular baffle rings, rectangular grooves 17 are formed in the two sides of the cover body which is transparent, four corners of the cover body are rounded corners, the opening end of the cover body is in press-connection with the step surface of the step structure, and between the top surface of the cover body and the upper end surface of the annular baffle rings, and the circumferential surface of the inner wall of the cover body and the annular baffle rings, Gaps are reserved among the heat conduction bottom plates, a mounting groove 6 (shown in figures 5 and 6) is formed in the middle of each of four side faces of each heat conduction boss, a spring sleeve is embedded in each mounting groove and comprises a sleeve body 13 and a bottom adjusting block 14, a compression spring 7 and a collision ball 8 are arranged in each sleeve body, one end of each sleeve body is open, the other end of each sleeve body is provided with a ball hole with the diameter smaller than that of the collision ball, the collision ball is partially exposed out of the spring sleeve, the inner wall of the open end of each sleeve body is provided with an internal thread, the outer circumferential surface of each bottom adjusting block is provided with an external thread, each bottom adjusting block is in threaded connection with the inner wall of the open end of each sleeve body, each bottom adjusting block is provided with a straight groove 15, a clamping groove 9 matched with the collision ball is formed in the inner wall of each sleeve body, a sealing strip 10 is fixed (vulcanized) on the step face of each step structure, two convex ridges 11 which are positioned in a protruding mode, and a compression reset cavity 20 with a circular section is arranged in each sealing strip, the end surface of the opening end of the cover body is provided with a positioning groove 12 matched with the positioning convex ridge.
The using method of the invention comprises the following steps: when the filter paper is dried, the filter paper is clamped by tweezers and is placed in the annular retaining ring, then the cover body is buckled, so that the opening end face of the cover body is placed on the collision bead, a gap is reserved between the cover body and the step face, gaps are reserved between the top face of the cover body and the upper end face of the annular retaining ring, between the circumferential face of the inner wall of the cover body and the annular retaining ring as well as between the circumferential face of the inner wall of the cover body and the heat conduction bottom plate, so that the internal space of the cover body is communicated with the outside during drying, evaporated water can quickly escape along the gaps, and finally the filter paper drying device is placed in an oven for drying; need weigh to filter paper, down press the cover body, at the cover body in-process of pushing down, it receives the extrusion can indentation spring cover to bump the pearl, treat the terminal surface of cover body open end and push down to when contacting with the sealing strip, bump the pearl and just pop out the card from the spring cover and go into the draw-in groove and support cover body inner wall, thereby the restriction cover body is vertical and horizontal ascending removal, make the cover body fix on heat conduction bottom plate and with between the sealing strip sealed, cover body inner space and external isolated this moment, can avoid sample and filter paper to absorb moisture and CO in the outside air when weighing2Etc.; when the heat conducting bottom plate needs to be dried again, the collision beads can be withdrawn from the clamping grooves only by holding the heat conducting bottom plate and quickly pulling up the cover body, so that the opening end faces of the cover body can be placed on the collision beads again, and then the heat conducting bottom plate can be placed into an oven for drying again.
The invention has the advantages of ingenious structure, convenient use and good sealing performance, can improve the drying speed of the suspended matter sample and the filter paper, and can completely replace a weighing bottle.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (7)
1. The water sample suspended matter drying box is characterized by comprising a heat conduction bottom plate (1) and a cover body (2), wherein a heat conduction boss (3) is arranged on the heat conduction bottom plate, a step structure (4) is formed between the heat conduction boss and the heat conduction bottom plate, an annular baffle ring (5) is arranged on the heat conduction boss, circulation holes (19) are formed in the circumferential surface of the annular baffle ring at intervals along the circumferential direction, the circulation holes are long round holes, the opening end of the cover body is pressed on the step surface of the step structure, gaps are reserved between the top surface of the cover body and the upper end surface of the annular baffle ring and between the circumferential surface of the inner wall of the cover body and the annular baffle ring as well as between the heat conduction bottom plate, a mounting groove (6) is formed in the side surface of the heat conduction boss, a spring sleeve is arranged in the mounting groove and comprises a sleeve body (13) and a bottom adjusting block (14), a compression spring (7) and a collision ball (8) are arranged in the sleeve body, the cover body one end is uncovered, and the other end is equipped with the diameter and is less than the pearl hole of bumping pearl diameter, and the inner wall of the cover body opening end is equipped with the internal thread, the outer periphery of bottom adjustment block is equipped with the external screw thread, and bottom adjustment block and the inner wall threaded connection of the cover body opening end are equipped with word groove (15) on the bottom adjustment block, bump pearl part expose outside the cover body, be equipped with on the cover body inner wall face with bump draw-in groove (9) of pearl looks adaptation, be equipped with sealing strip (10) on the step face of stair structure, be equipped with location convex ridge (11) on the sealing strip, the terminal surface of the cover body open end is equipped with constant head tank (12) with location convex ridge looks adaptation, is equipped with the cross-section in the sealing strip and resets chamber (20) for the circular shape compression.
2. The water sample suspended matter drying box according to claim 1, wherein the heat conducting bottom plate and the heat conducting boss are of a homogeneous and integral structure, and the heat conducting bottom plate and the heat conducting boss are both made of a heat conducting metal material.
3. The water sample suspension drying box according to claim 1, wherein the heat conducting bottom plate and the heat conducting boss are both rectangular plate-shaped structures.
4. A water sample suspension drying box according to claim 3, wherein a guide angle (16) is arranged at the corner position of the top surface of the heat conduction boss.
5. A water sample suspension drying box according to claim 1, characterized in that the cover body is transparent, and rectangular dug grooves (17) are arranged on two sides of the cover body.
6. The water sample suspension drying box according to claim 1, wherein four corners of the cover body are rounded.
7. A water sample suspension drying box according to claim 1, characterized in that the annular baffle ring is provided with a clamping gap (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911142676.3A CN111006456B (en) | 2019-11-20 | 2019-11-20 | Water sample suspended solid drying box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911142676.3A CN111006456B (en) | 2019-11-20 | 2019-11-20 | Water sample suspended solid drying box |
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| Publication Number | Publication Date |
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| CN111006456A CN111006456A (en) | 2020-04-14 |
| CN111006456B true CN111006456B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911142676.3A Active CN111006456B (en) | 2019-11-20 | 2019-11-20 | Water sample suspended solid drying box |
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|---|---|
| CN111006456A (en) | 2020-04-14 |
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