CN105352758A - Design method for fast sampling boiler - Google Patents
Design method for fast sampling boiler Download PDFInfo
- Publication number
- CN105352758A CN105352758A CN201510852801.5A CN201510852801A CN105352758A CN 105352758 A CN105352758 A CN 105352758A CN 201510852801 A CN201510852801 A CN 201510852801A CN 105352758 A CN105352758 A CN 105352758A
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- sampling
- thief
- boiler
- hole
- cavity
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- 238000005070 sampling Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 239000011159 matrix material Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 12
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000007704 transition Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- 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
- G01N2001/1031—Sampling from special places
- G01N2001/105—Sampling from special places from high-pressure reactors or lines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a design method for a fast sampling boiler. The boiler is internally provided with a feed port, a discharge port and a heating unit; a sampler is arranged on the side wall of the boiler, a sampling cavity is made to be communicated with the inside of the boiler, and a sampling hole of the sampler can slide or rotate between the outside and the inside of the boiler. A sliding cavity can be partially communicated with the outside through venting channels, a first seal ring is arranged at the position, close to the sampling cavity, of the head of the sliding cavity, a second seal ring and a third seal ring are arranged at the position, close to the sampling cavity, of the tail of the sliding cavity, the distance between the second seal ring and the third seal ring is larger than the width of the sampling hole, the sampling cavity and the sliding cavity are isolated through the first seal ring, and the sampling cavity is isolated from the outside through the second seal ring and the third seal ring. A first blind hole and a second blind hole are formed in the head end and the tail end of a sampling rod respectively, and therefore the sampling hole is isolated from the first blind hole and the second blind hole. Due to the design of the blind holes in the sampling rod, the seal effect is improved, and the service life is prolonged; by adopting the two seal rings with the small line diameter, pull force or push force during sampling can be reduced, and the sampling speed is increased.
Description
Technical field
The present invention relates to field of boilers, be specifically related to a kind of can the method for designing of boiler of fast sampling.
Background technology
Air pressure in boiler air pressure that is usual and ambient atmosphere is inconsistent, when needing to carry out detection analysis to the liquid in boiler, first will sample it, so boiler can arrange some sample taps.Common way has two kinds.1. at the top of boiler, breather valve is installed, sample cock is set in the bottom of boiler.When needing sampling, first open gas valve, after making the air pressure in boiler equal with extraneous air pressure, open sample cock, can sampling be completed.2. on boiler, a pipeline with 3 valves is installed, liquid in pipeline and the liquid in boiler circulate, and first close two valves wherein, and the liquid between these two valves and boiler are isolated, open the 3rd valve between these two valves again, can sampling be completed.Method 1 needs first equilibrium air pressure before sampling, although method 2 need not equilibrium air pressure, needs operation 3 valves just can complete sampling.Above two sampling methods may some bother, and Consumer's Experience is to be improved.When needing to carry out detection analysis to the liquid in boiler, how quickly and easily the liquid in boiler to be sampled.
Summary of the invention
The object of the invention is to solve the problem, and provide a kind of can the method for designing of boiler of fast sampling.The boiler obtained according to this method for designing can realize rapidly, easily to the object that the liquid in boiler samples.
For this reason, the invention provides a kind of method for designing of boiler of fast sampling, it comprises is arranged to airtight structure by boiler, within it bottom arranges charging aperture, discharging opening and heating unit, at the sidewall of boiler, bottom place is provided with sampler, the sampling cavity of sampler is communicated with boiler internal, the thief hole of sampler is made to slide between boiler exterior and inside or to rotate, the thief rod being provided with thief hole is coordinated with the matrix closed being provided with sliding cavity and gas-permeable channels, realizes being communicated with of part sliding cavity and ambient atmosphere by gas-permeable channels.
In the sliding cavity stem of described matrix, the first O-ring seal is set near sampling cavity place; At the sliding cavity afterbody of matrix, second, third O-ring seal is set near sampling cavity place, makes the axial distance between the second O-ring seal and the 3rd O-ring seal be greater than the width of thief hole along the axis of thief rod; By the first O-ring seal, sampling cavity and sliding cavity are isolated, by second, third O-ring seal, sampling cavity and ambient atmosphere are isolated.
The first blind hole be communicated with sliding cavity is coaxially set at the head end of described thief rod, the first blind hole is extended to thief hole from the head end of thief rod; The second blind hole extended to thief hole is coaxially set at the tail end of thief rod, thief hole is arranged between the first blind hole and the second blind hole, thief hole and the first blind hole and the second blind hole is isolated, the second blind hole is communicated with ambient atmosphere.
Advantageously, removably mounting limit part on thief rod, when locating part coordinates with the tail end of sampling cavity, thief hole is positioned at the outside of matrix, and the head of thief rod still slides with the first O-ring seal closed or is rotatably assorted; When locating part coordinates with the head end of sampling cavity, thief hole is positioned at sampling cavity.
Advantageously, handle is set at the afterbody of thief rod, is realized the detachable installation of handle and straight-bar by elastic cylindrical pin, realize the second blind hole by the hollow structure of elastic cylindrical pin and be communicated with ambient atmosphere.
Beneficial effect
1. one draw one turn one to push away can to complete sampling, convenient and swift, action is few, and the time is short, and efficiency is high, and Consumer's Experience is good.
2. by changing the aperture of blind hole, thief rod can be made to have thinner wall thickness, therefore when boiler internal be low pressure or vacuum time, thief rod can swell slightly in radial direction under differential pressure action, this radial direction slightly swells and compensate for O-ring seal because of the size penalty caused of wearing and tearing, and improves sealing effectiveness.Thief rod also can have thicker wall thickness to adapt to the hyperbaric environment of boiler internal.
3. the setting of blind hole makes the weight saving of thief rod, alleviates the weight that O-ring seal bears, and can improve the serviceable life of O-ring seal.
4. adopt the O-ring seal of two little wire diameters, what reduce O-ring seal and thief rod coordinates area, and pulling force when can reduce sampling or thrust, improve Consumer's Experience.Because the distance between two O-ring seals is greater than the width of thief hole, so thief hole can only be communicated with the space of O-ring seal both sides on a time point, namely sampling cavity and ambient atmosphere remain isolation.
Accompanying drawing explanation
Reference accompanying drawing is in the explanation of the embodiment provided as non-limiting example below, and the present invention and superiority thereof will be better understood, and accompanying drawing is as follows:
Fig. 1 is the stereographic map of the boiler of fast sampling disclosed by the invention;
Fig. 2 is the stereographic map of sampler;
Fig. 3 is the stereographic map at another visual angle of sampler;
Fig. 4 is the exploded perspective view of sampler;
Fig. 5 is the stereographic map of sampler, and wherein thief rod is drawn out rear rotation;
Fig. 6 is the fragmentary perspective cross sectional view of sampler;
Fig. 7 is the perspective cut-away view after the thief rod pull-out in Fig. 6;
Fig. 8 is the stereographic map of sampler, and wherein thief rod is drawn out;
Fig. 9 is the stereographic map at another visual angle of sampler, and wherein thief rod is drawn out;
Figure 10 is the cut-open view of Fig. 2, and wherein thief rod is positioned at insertion position;
Figure 11 is the cut-open view of Fig. 2, and wherein thief rod is positioned at pull-out location;
Figure 12 is the cut-open view of Fig. 2, and wherein thief rod is positioned at pull-out location and rotates and makes thief hole down;
Figure 13 is the fragmentary perspective cross sectional view of the handle junction of thief rod;
Description of reference numerals
1. matrix; 101. housing; 102. first O-ring seals; 103. second O-ring seals;
104. the 3rd O-ring seals; 105. sampling cavity; 106. gas-permeable channels; 107. sliding cavity;
2. thief rod; 201. straight-bar; 202. thief hole; 203. elastic cylindrical pin;
204. handle; 205. first blind holes; 206. second blind holes; 3. locating part.
Embodiment
For the ease of distinguishing the head of part and tail, the part near handle 204 is referred to as tail, headed by being referred to as away from the part of handle 204.
As shown in Figure 1, the sidewall of boiler is provided with sampler near bottom place, thief rod 2 is in insertion position, when needing to sample the liquid in boiler, only thief rod 2 need be pulled out, the thief hole 202 on bar 2 to be sampled exposes completely, namely thief rod 2 is in pull-out location (see figure 8), rotate thief rod 2(and see Fig. 5), the liquid in thief hole 202 can be poured in vessel, then thief rod 2 is rotated and pushes back insertion position.Sampling process only needs three actions, and one draws one turn one to push away, and convenient and swift, action is few, and the time is short, and sampling efficiency is high.
As shown in Figures 2 and 3, sampler mainly comprises three parts, and be matrix 1, thief rod 2 and locating part 3 respectively, locating part 3 herein adopts circlip for shaft 3.
As shown in Figure 4, matrix 1 mainly comprises four parts, is housing 101, first O-ring seal 102, second O-ring seal 103 and the 3rd O-ring seal 104 respectively; Thief rod 2 mainly comprises 4 parts, is straight-bar 201, handle 204 respectively, and 2 elastic cylindrical pins 203.
As shown in Figures 6 and 7, the middle part of housing 101 is provided with the sliding cavity 107 slidably reciprocated for straight-bar 201, and sliding cavity 107 penetrates from the installed surface of housing 101, but does not run through housing 101.The both sides of sliding cavity 107 are respectively provided with 1 gas-permeable channels 106, gas-permeable channels 106 from the installed surface of housing 101 penetrate and with being communicated with of sliding cavity 107.Sampling cavity 105 runs through housing 101 from the end face of housing 101, and sampling cavity 105 also runs through sliding cavity 107.Sliding cavity 107 sets gradually the first O-ring seal 102, second O-ring seal 103 and the 3rd O-ring seal 104 along its cephalocaudal direction, sampling cavity 105 is between the first O-ring seal 102 and the second O-ring seal 103,3rd O-ring seal 104 is near the installed surface of housing 101, second O-ring seal 103 is near the tail end of sampling cavity 105, and the first sampling cavity 105 is near the head end of sampling cavity 105.Axial distance between second O-ring seal 103 and the 3rd O-ring seal 104 is greater than the width of the axis of thief hole 202 thief rods 2, as shown by a dashed line in fig 7, region between second O-ring seal 103 and the 3rd O-ring seal 104 forms zone of transition, and the region between the first O-ring seal 102 and the head end of sliding cavity 107 forms constant cabin altitude state.Thief rod 2 inserted sliding cavity 107 and pass three O-ring seals, thief rod 2 and matrix 1 closed are slided or are rotatably assorted.Sampler is arranged on airtight boiler, sliding cavity 107 is isolated with sampling cavity 105 by the first O-ring seal 102, constant cabin altitude state is communicated with ambient atmosphere by gas-permeable channels 106, and sampling cavity 105 is isolated with ambient atmosphere by the second O-ring seal 103 and the 3rd O-ring seal 104.
As shown in figure 11, the head end of thief rod 2 coaxially arranges the first blind hole 205, first blind hole 205 extends to thief hole 202 from the head end of thief rod 2, the tail end of thief rod 2 coaxially arranges the second blind hole 206, second blind hole 206 extends to thief hole 202 from the tail end of thief rod 2, and thief hole 202 is between the first blind hole 205 and the second blind hole 206, and thief hole 202 is isolated with the first blind hole 205 and the second blind hole 206, first blind hole 205 is communicated with sliding cavity 107, and the second blind hole 206 is communicated with ambient atmosphere.
As shown in figures 8 and 13, the afterbody of thief rod 2 is provided with handle 204, and handle 204 realizes the detachable installation with straight-bar 201 by elastic cylindrical pin 203, and the second blind hole 206 realizes being communicated with ambient atmosphere by the hollow structure of elastic cylindrical pin 203.
After thief rod 2 inserts matrix 1, before the head end of thief rod 2 enters sampling cavity 105, with special installation tool circlip for shaft 3 strutted and wait for the insertion of thief rod 2 at the tail end of sampling cavity 105, draw-in groove on bar 2 to be sampled and circlip 3 to the time in of corresponding unclamp specific purpose tool and withdraw instrument, the assembling of circlip 3 can be completed.Utilize the position-limiting action of circlip 3, the insertion position of controlled thief rod 2 processed and pull-out location.As shown in Figure 9, when locating part 3 coordinates with the tail end of sampling cavity 105, thief hole 202 is positioned at the outside of matrix 1, and now, thief rod 2 is in pull-out location, and the head of thief rod 2 still slides with the first O-ring seal 102 closed or is rotatably assorted.As shown in Figure 3, when locating part 3 coordinates with the head end of sampling cavity 105, thief hole 202 is positioned at sampling cavity 105, and now, thief rod 2 is in insertion position.
As shown in figs. 10-12, as shown in Figure 10, thief rod 2 is in insertion position in the sampling process action of sampler, and as shown in figure 11, thief rod 2 is in pull-out location, as shown in figure 12, rotates thief rod 2, is poured out by the liquid in thief hole 202.
Sampler is arranged on after on boiler, is filled with the liquid in boiler in sampling cavity 105, also can be full of liquid in thief hole 202.
The head end of thief rod 2 and the head end of sliding cavity 107 also have certain distance, therefore, first blind hole 205 is communicated with sliding cavity 107, because the constant cabin altitude state of sliding cavity 107 is communicated with ambient atmosphere by gas-permeable channels 106, so the constant cabin altitude state of sliding cavity 107 is consistent with extraneous atmospheric pressure with the air pressure in the first blind hole 205, therefore, the pressure at the head and the tail two ends of thief rod 2 is balances, so thief rod 2 can pulled into pull-out location smoothly; In like manner, thief rod 2 also successfully can be pushed back insertion position.As can be seen here, the air pressure in the action of thief rod 2 and boiler has nothing to do.
By the first blind hole 205 and the second blind hole 206 aperture strengthen, thief rod 2 can be made to have thinner wall thickness.When boiler internal be low pressure or vacuum time, air pressure due to thief rod 2 inside is greater than the air pressure of thief rod 2 outside, thief rod 2 radial direction slightly can swell under differential pressure action, and this radial direction slightly swells and compensate for O-ring seal because of the size penalty caused of wearing and tearing, and improves sealing effectiveness.Particularly when the region of thief rod 2 between the first O-ring seal 102 and the second O-ring seal 103, thief rod 2 there will be such radial direction slightly and swells.
Also the aperture of the first blind hole 205 of thief rod 2 and the second blind hole 206 can be reduced, make thief rod 2 have thicker wall thickness to adapt to the hyperbaric environment of boiler internal.
The setting of blind hole makes the weight saving of thief rod 2, alleviates the weight that O-ring seal bears, and can improve the serviceable life of O-ring seal.
Adopt the O-ring seal of two little wire diameters, what reduce O-ring seal and thief rod 2 coordinates area, and pulling force when can reduce sampling or thrust, improve Consumer's Experience.Because the distance between two O-ring seals is greater than the width of thief hole 202, so thief hole 202 can only be communicated with the space of O-ring seal both sides on a time point, namely sampling cavity 105 and ambient atmosphere remain isolation.Be analyzed as follows,
A. when thief hole 202 is not completely by the second O-ring seal 103, sampling cavity 105 is communicated with zone of transition by thief hole 202, and zone of transition is isolated with ambient atmosphere by the 3rd O-ring seal 104, so now, sampling cavity 105 and ambient atmosphere realize isolating by the 3rd O-ring seal 104.
B. when thief hole 202 is completely by the second O-ring seal 103, the width due to zone of transition is greater than the width of thief hole 202, so now, sampling cavity 105 and ambient atmosphere realize dual resisteance by second, third O-ring seal 104.
C. when thief hole 202 is not completely by the 3rd O-ring seal 104, ambient atmosphere is communicated with zone of transition by thief hole 202, and zone of transition is isolated with sampling cavity 105 by the second O-ring seal 103, so now, sampling cavity 105 and ambient atmosphere realize isolating by the second O-ring seal 103.
After ring wear, O-ring seal can be changed easily.After adopting specific purpose tool to be removed by circlip 3, thief rod 2 is taken out, can change O-ring seal.
Claims (4)
1. the method for designing of the boiler of a fast sampling, described boiler has airtight structure, within it bottom arranges charging aperture, discharging opening and heating unit, at the sidewall of boiler, sampler is set near bottom place, the sampling cavity of sampler (105) is communicated with boiler internal, the thief hole (202) of sampler is made to slide between boiler exterior and inside or to rotate, the thief rod (2) being provided with thief hole (202) is coordinated with matrix (1) closed being provided with sliding cavity (107) and gas-permeable channels (106), realize part sliding cavity (107) by gas-permeable channels (106) to be communicated with ambient atmosphere, it is characterized in that,
In sliding cavity (107) stem of described matrix (1), the first O-ring seal (102) is set near sampling cavity (105) place;
At sliding cavity (107) afterbody of matrix (1), second, third O-ring seal (103 is set near sampling cavity (105) place, 104) axial distance between the second O-ring seal (103) and the 3rd O-ring seal (104), is made to be greater than the width of thief hole (202) along the axis of thief rod (2);
By the first O-ring seal (102), sampling cavity (105) and sliding cavity (107) are isolated, by second, third O-ring seal (103,104), sampling cavity (105) and ambient atmosphere are isolated;
Be coaxially arranged with the first blind hole (205) be communicated with sliding cavity (107) at the head end of described thief rod (2), the first blind hole (205) is extended to thief hole (202) from the head end of thief rod (2);
The second blind hole (206) extended to thief hole (202) is coaxially set at the tail end of thief rod (2);
Thief hole (202) is arranged between the first blind hole (205) and the second blind hole (206), thief hole (202) is isolated with the first blind hole (205) and the second blind hole (206), the second blind hole (206) is communicated with ambient atmosphere.
2. the method for designing of the boiler of a kind of fast sampling according to claim 1, it is characterized in that, removably mounting limit part (3) on described thief rod (2), when locating part (3) coordinates with the tail end of sampling cavity (105), thief hole (202) is positioned at the outside of matrix (1), and the head of thief rod (2) still slides with the first O-ring seal (102) closed or is rotatably assorted.
3. the method for designing of the boiler of a kind of fast sampling according to claim 1, it is characterized in that, described thief rod (2) is removably provided with locating part (3), when locating part (3) coordinates with the head end of sampling cavity (105), thief hole (202) is positioned at sampling cavity (105).
4. the method for designing of the boiler of a kind of fast sampling according to claim 1, it is characterized in that, at the afterbody of described thief rod (2), handle (204) is set, realized the detachable installation of handle (204) and straight-bar (201) by elastic cylindrical pin (203), realize being communicated with of the second blind hole (206) and ambient atmosphere by the hollow structure of elastic cylindrical pin (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852801.5A CN105352758B (en) | 2015-11-29 | 2015-11-29 | The design method of the boiler of fast sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852801.5A CN105352758B (en) | 2015-11-29 | 2015-11-29 | The design method of the boiler of fast sampling |
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| Publication Number | Publication Date |
|---|---|
| CN105352758A true CN105352758A (en) | 2016-02-24 |
| CN105352758B CN105352758B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3847022A (en) * | 1973-05-29 | 1974-11-12 | Seismograph Service Corp | Slurry sampler for polymer separation |
| US6114178A (en) * | 1997-06-25 | 2000-09-05 | Institut Francais Du Petrole | Device for removing and/or injecting a fluid sample enabling the chemical and/or thermodynamic equilibrium to be preserved |
| CN2911649Y (en) * | 2006-04-25 | 2007-06-13 | 华东电力试验研究院 | Coal powder sampler |
| CN200989859Y (en) * | 2006-12-25 | 2007-12-12 | 上海宝钢工业检测公司 | Sampling gun with closing device |
| CN201107221Y (en) * | 2007-09-30 | 2008-08-27 | 吴亚键 | Automatic sampling machine for powder material |
| CN104399269A (en) * | 2014-11-28 | 2015-03-11 | 龚柱 | Boiler for preparing concentrated solution |
| CN104458326A (en) * | 2014-11-28 | 2015-03-25 | 龚柱 | Design method of sampling unit used for preparing concentrated solution |
| CN104492104A (en) * | 2014-11-28 | 2015-04-08 | 龚柱 | Design method of boiler for preparing concentrated solution |
-
2015
- 2015-11-29 CN CN201510852801.5A patent/CN105352758B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3847022A (en) * | 1973-05-29 | 1974-11-12 | Seismograph Service Corp | Slurry sampler for polymer separation |
| US6114178A (en) * | 1997-06-25 | 2000-09-05 | Institut Francais Du Petrole | Device for removing and/or injecting a fluid sample enabling the chemical and/or thermodynamic equilibrium to be preserved |
| CN2911649Y (en) * | 2006-04-25 | 2007-06-13 | 华东电力试验研究院 | Coal powder sampler |
| CN200989859Y (en) * | 2006-12-25 | 2007-12-12 | 上海宝钢工业检测公司 | Sampling gun with closing device |
| CN201107221Y (en) * | 2007-09-30 | 2008-08-27 | 吴亚键 | Automatic sampling machine for powder material |
| CN104399269A (en) * | 2014-11-28 | 2015-03-11 | 龚柱 | Boiler for preparing concentrated solution |
| CN104458326A (en) * | 2014-11-28 | 2015-03-25 | 龚柱 | Design method of sampling unit used for preparing concentrated solution |
| CN104492104A (en) * | 2014-11-28 | 2015-04-08 | 龚柱 | Design method of boiler for preparing concentrated solution |
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| CN105352758B (en) | 2017-12-15 |
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