CN205384167U - Reaction kettle sampling device - Google Patents
Reaction kettle sampling device Download PDFInfo
- Publication number
- CN205384167U CN205384167U CN201620149001.7U CN201620149001U CN205384167U CN 205384167 U CN205384167 U CN 205384167U CN 201620149001 U CN201620149001 U CN 201620149001U CN 205384167 U CN205384167 U CN 205384167U
- Authority
- CN
- China
- Prior art keywords
- surge tank
- pipe
- valve
- reactor
- suction tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a reaction kettle sampling device, including reation kettle, it on in, the bottom is connected with respectively in, downdraught material pipe, the export of updraft type material pipe links to each other with the import of last buffer tank, and the import department of buffer tank is equipped with updraft type material valve vicinity in, and upward the export of buffer tank is continuous with last sampling tube, and upward the tip of sampling tube is the sample connection, upward is equipped with the sample valve between buffer tank and the last sample connection, in inhale material pipe, downdraught material pipe the rear have corresponding structure according to updraft type material union coupling, upward all be connected with negative pressure machines and blow -down pipe on buffer tank, well buffer tank and the lower buffer tank, still include the blending tank, respectively with last in, down the buffer tank link to each other, be equipped with mixed sample connection on the blending tank. The utility model discloses can detect the sample of reation kettle upper portion, middle part and lower part respectively, also can mix the sample of 3 parts the laggard survey of conducting, according to the reaction condition in the testing result judgement reation kettle, or judge whether even the reation kettle internal reaction is, improve production efficiency.
Description
Technical field
This utility model relates to technical field of chemical, is specifically related to a kind of reactor sampler.
Background technology
Reactor is widely used in the research of the type of production users such as oil, chemical industry, rubber, pesticide, dyestuff, medicine, food and various scientific experiment project, its objective is by catalyst action and physics intensification mode of heating the agitator in reactor, two or more industrial chemicals is sufficiently stirred for the series of chemical occurred afterwards, thus synthesizing a kind of new chemical product.In order to be able to produce qualified products, the sampling detection after terminating with reaction in course of reaction is a requisite link.Chemical reaction in reactor mostly is the operating mode of High Temperature High Pressure, and safety problem during sampling needs to pay much attention to, it is desirable to the sampler by safety is sampled.
Chinese utility model patent CN204831849U discloses a kind of reactor sampler, including reactor, it is provided with in described reactor by motor-driven shaft, it is connected to surge tank by feed pipe bottom described reactor, described surge tank outer wall is provided with liquid level display, described feed pipe is provided with injection valve, described surge tank top and bottom are respectively equipped with blow-down pipe and go out sample pipe, described blow-down pipe and go out to be respectively equipped with atmospheric valve and sample output valve on sample pipe, described go out sample pipe is additionally provided with the circulation pipe that one end communicates therewith, the described circulation pipe other end connects with reactor, described circulation pipe is respectively equipped with circulating valve and sampling pump.This utility model is by arranging sample intermediate buffer tank and sampling pump, reacting kettle inner pressure is made to be adjusted in surge tank, and the sample in surge tank can be made consistent with material in reactor composition, sample flows out at ambient pressure, gets rid of safety that may be present and hidden danger of quality in sampling process.
But this utility model scheme can only extract the sample bottom reactor, it is impossible to collect the sample with top in the middle part of reactor, it is impossible to judge whether uniform to react in reactor by the detection of upper, middle and lower portion sample.
Utility model content
For solving the problems referred to above, the purpose of this utility model is in that to provide a kind of reactor sampler, can extract the sample in reactor upper, middle and lower portion, the convenient response situation judged in reactor at the same time or separately, improve production efficiency.
For achieving the above object, the technical scheme that this utility model is taked is: a kind of reactor sampler, including reactor, it is provided with in described reactor by motor-driven shaft, the top of described reactor, middle part and bottom are connected to suction tube, middle suction tube and lower suction tube, the outlet of described upper suction tube is connected with the import of upper surge tank, and the import department of contiguous upper surge tank is provided with material sucking valve on upper suction tube, the outlet of described upper surge tank is connected with up sampling pipe, the end of described up sampling pipe is up sampling mouth, it is provided with up sampling valve between described upper surge tank and up sampling mouth；
The outlet of described middle suction tube is connected with the import of middle surge tank, and the import department of surge tank is provided with middle material sucking valve in contiguous on middle suction tube, the outlet of described middle surge tank is connected with middle probe tube, the end of described middle probe tube is middle sample tap, is provided with middle sampling valve between described middle surge tank and middle sample tap；
The outlet of described lower suction tube is connected with the import of lower surge tank, and the import department of contiguous lower surge tank is provided with lower material sucking valve on lower suction tube, the outlet of described lower surge tank is connected with down sampling pipe, the end of described down sampling pipe is down sampling mouth, is provided with down sampling valve between described lower surge tank and down sampling mouth；
Being respectively connected with Negative pressure machine and blow-down pipe on described upper surge tank, middle surge tank and lower surge tank, described blow-down pipe is provided with atmospheric valve；
Described reactor sampler also includes blending tank, up sampling pipe between described upper surge tank and up sampling valve is connected with blending tank by upper feed pipe, middle probe tube between described middle surge tank with middle sampling valve is connected with blending tank by middle feed pipe, down sampling pipe between described lower surge tank and down sampling valve is connected with blending tank by lower feed pipe, being equipped with feed valve on described upper feed pipe, middle feed pipe and lower feed pipe, described blending tank is provided with mixed sampling mouth.
Above-mentioned reactor sampler also includes nitrogen anti-blowpipe, upper suction tube between described reactor and upper material sucking valve is connected with nitrogen anti-blowpipe by upper nitrogen tube, middle suction tube between described reactor and middle material sucking valve by middle nitrogen tube with nitrogen anti-blowpipe connect, lower suction tube between described reactor and lower material sucking valve by lower nitrogen tube with nitrogen anti-blowpipe connect, described upper nitrogen tube, middle nitrogen tube and lower nitrogen tube are equipped with nitrogen valve.
Wherein, described reactor is provided with feedback outlet, upper suction tube between described reactor and upper material sucking valve is connected with feedback outlet by upper feed back pipe, middle suction tube between described reactor and middle material sucking valve is connected with feedback outlet by middle feed back pipe, lower suction tube between described reactor and lower material sucking valve is connected with feedback outlet by lower feed back pipe, and described upper feed back pipe, middle feed back pipe and lower feed back pipe are equipped with material returning valve.
Wherein, described feedback outlet place is provided with product pump.
Wherein, the bottom of described blending tank is provided with agitator.
Wherein, described upper surge tank, middle surge tank and lower surge tank are equipped with liquid level display.
Preferably, described liquid level display is glass pipe type fluid level indicator.
Compared with prior art, this utility model has the advantages that this utility model is respectively provided with sampling line in the upper, middle and lower of reactor, and the sample that can extract reactor internal upper part, middle part and bottom as required respectively detects.And the sampling line of upper, middle and lower is connected with same blending tank in rear end, it is possible to detect after the sample mix of upper, middle and lower.Therefore, this utility model can detect the sample of reactor upper, middle and lower respectively, it is also possible to detects after the sample mix of 3 parts, judges the response situation in reactor according to testing result, or judge that in reactor, whether reaction is uniform, improves production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment one.
Fig. 2 is the structural representation of this utility model embodiment two.
Fig. 3 is the structural representation of this utility model embodiment three.
Description of reference numerals: 1, reactor；2, shaft；3, Negative pressure machine；4, blow-down pipe；5, atmospheric valve；6, blending tank；7, feed valve；8, mixed sampling mouth；9, liquid level display；10, agitator；11, nitrogen anti-blowpipe；12, nitrogen valve；13, feedback outlet；14, material returning valve；15, product pump；100, upper suction tube；101, upper surge tank；102, upper material sucking valve；103, up sampling pipe；104, up sampling valve；105, up sampling mouth；106, upper feed pipe；107, upper nitrogen tube；108, upper feed back pipe；200, middle suction tube；201, middle surge tank；202, middle material sucking valve；203, middle probe tube；204, middle sampling valve；205, middle sample tap；206, middle feed pipe；207, middle nitrogen tube；208, middle feed back pipe；300, lower suction tube；301, lower surge tank；302, lower material sucking valve；303, down sampling pipe；304, down sampling valve；305, down sampling mouth；306, lower feed pipe；307, lower nitrogen tube；308, lower feed back pipe.
Detailed description of the invention
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment 1:
Refer to shown in Figure of description 1, this utility model is a kind of reactor sampler, including reactor 1, it is provided with in described reactor 1 by motor-driven shaft 2, the top of described reactor 1, middle part and bottom are connected to suction tube 100, middle suction tube 200 and lower suction tube 300, the outlet of described upper suction tube 100 is connected with the import of upper surge tank 101, and the import department of contiguous upper surge tank 101 is provided with material sucking valve 102 on upper suction tube 100, the outlet of described upper surge tank 101 is connected with up sampling pipe 103, the end of described up sampling pipe 103 is up sampling mouth 105, it is provided with up sampling valve 104 between described upper surge tank 101 and up sampling mouth 105.
The outlet of described middle suction tube 200 is connected with the import of middle surge tank 201, and the import department of surge tank 201 is provided with middle material sucking valve 202 in contiguous on middle suction tube 200, the outlet of described middle surge tank 201 is connected with middle probe tube 203, the end of described middle probe tube 203 is middle sample tap 205, is provided with middle sampling valve 204 between described middle surge tank 201 and middle sample tap 205.
The outlet of described lower suction tube 300 is connected with the import of lower surge tank 301, and the import department of contiguous lower surge tank 301 is provided with lower material sucking valve 302 on lower suction tube 300, the outlet of described lower surge tank 301 is connected with down sampling pipe 303, the end of described down sampling pipe 303 is down sampling mouth 305, is provided with down sampling valve 304 between described lower surge tank 301 and down sampling mouth 305.
Being respectively connected with Negative pressure machine 3 and blow-down pipe 4 on described upper surge tank 101, middle surge tank 201 and lower surge tank 301, each described blow-down pipe 4 is provided with atmospheric valve 5.
Described reactor sampler also includes blending tank 6, up sampling pipe 103 between described upper surge tank 101 and up sampling valve 104 is connected with blending tank 6 by upper feed pipe 106, middle probe tube 203 between described middle surge tank 201 with middle sampling valve 204 is connected with blending tank 6 by middle feed pipe 206, down sampling pipe 303 between described lower surge tank 301 and down sampling valve 304 is connected with blending tank 6 by lower feed pipe 306, being equipped with feed valve 7 on described upper feed pipe 106, middle feed pipe 206 and lower feed pipe 306, described blending tank 6 is provided with mixed sampling mouth 8.
Described upper surge tank 101, middle surge tank 201 and lower surge tank 301 are equipped with liquid level display 9.In the present embodiment, described liquid level display 9 is glass pipe type fluid level indicator.
The bottom of described blending tank 6 is provided with agitator 10.
Utilizing this utility model individually to extract the technological principle of sample of reactor top, middle part or bottom, for the sample extracting reactor top, details are as follows:
First should ensure that all valves are in closed mode, then the Negative pressure machine 3 on upper surge tank 101 is started, open the upper material sucking valve 102 on suction tube 100, the sample making reactor 1 top is sucked in upper surge tank 101, and the sample size being inhaled into is observed by the liquid level display 9 on upper surge tank 101, when reaching the sample size of testing requirement, close and close material sucking valve 102.Open the atmospheric valve 5 on the blow-down pipe 4 being connected with upper surge tank 101, when upper surge tank 101 inner and outer air pressure is equal, closes atmospheric valve 5, then open the up sampling valve 104 on up sampling pipe 103, be sampled at up sampling mouth 105 place.
Extract the technological principle of sample of in the middle part of reactor or bottom ibid.
Utilize this utility model to extract the technological principle of sample of reactor upper, middle and lower simultaneously:
First should ensure that all valves are in closed mode, then upper surge tank 101 is started, Negative pressure machine 3 on middle surge tank 201 and lower surge tank 301, open the upper material sucking valve 102 on suction tube 100, the upper material sucking valve 202 of middle suction tube 200, lower suction tube about 300 material sucking valve 302, reactor 1 top, the sample of middle part and bottom is sucked into upper surge tank 101 respectively, in middle surge tank 201 and lower surge tank 301, and by upper surge tank 101, liquid level display 9 on middle surge tank 201 and lower surge tank 301 observes the sample size being inhaled into, when reaching the sample size of testing requirement, material sucking valve 102 is closed in pass, middle material sucking valve 202 and lower material sucking valve 302.Open the atmospheric valve 5 on the blow-down pipe 4 being connected with upper surge tank 101, middle surge tank 201 and lower surge tank 301, when upper surge tank 101, middle surge tank 201 and lower surge tank 301 inner and outer air pressure are equal, close atmospheric valve 5, then the feed valve 7 on feed pipe 106, middle feed pipe 206 and lower feed pipe 306 is opened, sample in upper surge tank 101, middle surge tank 201 and lower surge tank 301 flows to blending tank 6, under the stirring action of agitator 10 after Homogeneous phase mixing, it is sampled at mixed sampling mouth 8 place.
Embodiment 2:
As shown in Figure 2, the structure of the present embodiment sets up nitrogen anti-blowpipe 11 on the basis of embodiment 1, upper suction tube between described reactor and upper material sucking valve is connected with nitrogen anti-blowpipe 11 by upper nitrogen tube 107, middle suction tube between described reactor and middle material sucking valve by middle nitrogen tube 207 with nitrogen anti-blowpipe 11 connect, lower suction tube between described reactor and lower material sucking valve by lower nitrogen tube 307 with nitrogen anti-blowpipe 11 connect, described upper nitrogen tube 107, middle nitrogen tube 207 and lower nitrogen tube 307 are equipped with nitrogen valve 12.
In the present embodiment, the effect of nitrogen anti-blowpipe is, is blown into nitrogen in the forward direction suction tube of suction, by material blowouts such as the stub bar of remaining or dusts, it is to avoid the sample quality that impact is taken out.
Embodiment 3: as shown in Figure 3, the structure of the present embodiment is based on the structure of embodiment 2, described reactor arranges feedback outlet 13, upper suction tube between described reactor and upper material sucking valve is connected with feedback outlet 13 by upper feed back pipe 108, middle suction tube between described reactor and middle material sucking valve is connected with feedback outlet 13 by middle feed back pipe 208, lower suction tube between described reactor and lower material sucking valve is connected with feedback outlet 13 by lower feed back pipe 308, and described upper feed back pipe 108, middle feed back pipe 208 and lower feed back pipe 308 are equipped with material returning valve 14.
Described feedback outlet 13 place is provided with product pump 15.
In the present embodiment, the effect of each loop pipe is to draw back in reactor by the material remaining in suction tube under the effect of product pump, it is to avoid waste.
Above detailed description of the invention is only the preferred embodiment of this creation, not in order to limit this creation, and any amendment of making within all spirit in this creation and principle, equivalent replacement, improvement etc., should be included within the protection domain of this creation.
Claims (7)
- null1. a reactor sampler，Including reactor (1)，It is provided with by motor-driven shaft (2) in described reactor (1)，It is characterized in that，The top of described reactor (1)、Middle part and bottom are connected to suction tube (100)、Middle suction tube (200) and lower suction tube (300)，The outlet of described upper suction tube (100) is connected with the import of upper surge tank (101)，And the import department of upper suction tube (100) the upper surge tank (101) of upper vicinity is provided with material sucking valve (102)，The outlet of described upper surge tank (101) is connected with up sampling pipe (103)，The end of described up sampling pipe (103) is up sampling mouth (105)，It is provided with up sampling valve (104) between described upper surge tank (101) and up sampling mouth (105)；The outlet of described middle suction tube (200) is connected with the import of middle surge tank (201), and middle suction tube (200) upper contiguous in the import department of surge tank (201) be provided with middle material sucking valve (202), the outlet of described middle surge tank (201) is connected with middle probe tube (203), the end of described middle probe tube (203) is middle sample tap (205), is provided with middle sampling valve (204) between described middle surge tank (201) and middle sample tap (205)；The outlet of described lower suction tube (300) is connected with the import of lower surge tank (301), and the import department of lower suction tube (300) the lower surge tank (301) of upper vicinity is provided with lower material sucking valve (302), the outlet of described lower surge tank (301) is connected with down sampling pipe (303), the end of described down sampling pipe (303) is down sampling mouth (305), is provided with down sampling valve (304) between described lower surge tank (301) and down sampling mouth (305)；Being respectively connected with Negative pressure machine (3) and blow-down pipe (4) on described upper surge tank (101), middle surge tank (201) and lower surge tank (301), described blow-down pipe (4) is provided with atmospheric valve (5)；Described reactor sampler also includes blending tank (6), up sampling pipe (103) between described upper surge tank (101) and up sampling valve (104) is connected with blending tank (6) by upper feed pipe (106), middle probe tube (203) between described middle surge tank (201) with middle sampling valve (204) is connected with blending tank (6) by middle feed pipe (206), down sampling pipe (303) between described lower surge tank (301) and down sampling valve (304) is connected with blending tank (6) by lower feed pipe (306), described upper feed pipe (106), middle feed pipe (206) and lower feed pipe (306) are equipped with feed valve (7), described blending tank (6) is provided with mixed sampling mouth (8).
- 2. reactor sampler according to claim 1, it is characterized in that, also include nitrogen anti-blowpipe (11), upper suction tube (100) between described reactor (1) and upper material sucking valve (102) is connected with nitrogen anti-blowpipe (11) by upper nitrogen tube (107), middle suction tube (200) between described reactor (1) and middle material sucking valve (202) by middle nitrogen tube (207) with nitrogen anti-blowpipe (11) connect, lower suction tube (300) between described reactor (1) and lower material sucking valve (302) by lower nitrogen tube (307) with nitrogen anti-blowpipe (11) connect, described upper nitrogen tube (107), middle nitrogen tube (207) and lower nitrogen tube (307) are equipped with nitrogen valve (12).
- 3. reactor sampler according to claim 1, it is characterized in that, described reactor (1) is provided with feedback outlet (13), upper suction tube (100) between described reactor (1) and upper material sucking valve (102) is connected with feedback outlet (13) by upper feed back pipe (108), middle suction tube (200) between described reactor (1) and middle material sucking valve (202) is connected with feedback outlet (13) by middle feed back pipe (208), lower suction tube (300) between described reactor (1) and lower material sucking valve (302) is connected with feedback outlet (13) by lower feed back pipe (308), described upper feed back pipe (108), middle feed back pipe (208) and lower feed back pipe (308) are equipped with material returning valve (14).
- 4. reactor sampler according to claim 3, it is characterised in that described feedback outlet (13) place is provided with product pump (15).
- 5. reactor sampler according to claim 1, it is characterised in that the bottom of described blending tank (6) is provided with agitator (10).
- 6. reactor sampler according to claim 1, it is characterised in that be equipped with liquid level display (9) on described upper surge tank (101), middle surge tank (201) and lower surge tank (301).
- 7. reactor sampler according to claim 6, it is characterised in that described liquid level display (9) is glass pipe type fluid level indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149001.7U CN205384167U (en) | 2016-02-26 | 2016-02-26 | Reaction kettle sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149001.7U CN205384167U (en) | 2016-02-26 | 2016-02-26 | Reaction kettle sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384167U true CN205384167U (en) | 2016-07-13 |
Family
ID=56351088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620149001.7U Expired - Fee Related CN205384167U (en) | 2016-02-26 | 2016-02-26 | Reaction kettle sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205384167U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827709A (en) * | 2018-06-20 | 2018-11-16 | 苏州盖德精细材料有限公司 | A kind of novel sampling device for reaction kettle |
| CN109030126A (en) * | 2018-07-17 | 2018-12-18 | 克拉玛依红山油田有限责任公司 | Tank mouth associated gas enclosed sampling analytical equipment |
| CN111068599A (en) * | 2019-12-17 | 2020-04-28 | 贵州省欣紫鸿药用辅料有限公司 | Device for preparing 2-acetyl pyrrole |
| CN114486346A (en) * | 2020-10-26 | 2022-05-13 | 苏州润谷智能设备有限公司 | Large-scale jar of body sample pipeline structure |
-
2016
- 2016-02-26 CN CN201620149001.7U patent/CN205384167U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827709A (en) * | 2018-06-20 | 2018-11-16 | 苏州盖德精细材料有限公司 | A kind of novel sampling device for reaction kettle |
| CN108827709B (en) * | 2018-06-20 | 2020-11-06 | 江苏嘉宇特种装备股份有限公司 | A sampling device for reation kettle |
| CN109030126A (en) * | 2018-07-17 | 2018-12-18 | 克拉玛依红山油田有限责任公司 | Tank mouth associated gas enclosed sampling analytical equipment |
| CN111068599A (en) * | 2019-12-17 | 2020-04-28 | 贵州省欣紫鸿药用辅料有限公司 | Device for preparing 2-acetyl pyrrole |
| CN111068599B (en) * | 2019-12-17 | 2021-11-09 | 贵州省欣紫鸿药用辅料有限公司 | Device for preparing 2-acetyl pyrrole |
| CN114486346A (en) * | 2020-10-26 | 2022-05-13 | 苏州润谷智能设备有限公司 | Large-scale jar of body sample pipeline structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205384167U (en) | Reaction kettle sampling device | |
| CN206715917U (en) | A kind of reactor for being easy to sampling | |
| CN209584219U (en) | A kind of seeding tank convenient for sampling observation | |
| CN100573111C (en) | A kind of computer full-automatic Kjeldahl determination device | |
| CN206444606U (en) | A kind of multifunctional high pressure collecting agent synthesis reactor | |
| CN104028129A (en) | Automatic dissolving apparatus for production of casein and automatic dissolving method | |
| CN104777018B (en) | The automatic pretreating device of shellfish paralytic shel1fish poison sample | |
| CN204544089U (en) | A kind of gas stirring device for stirred glass base-plate cleaning liquid | |
| CN201173921Y (en) | Sulfitation intensity automatic detection device | |
| CN207357077U (en) | Use in waste water treatment dry powder chemicals dosing plant | |
| CN206444612U (en) | A kind of unsaturated-resin reactor | |
| CN206438131U (en) | A kind of seed selection device of excellent species | |
| CN203061129U (en) | Solid-liquid mixing device based on oil gas well | |
| CN206008694U (en) | A kind of full-automatic pilot scale reactor | |
| CN212523840U (en) | Real-time detection urea solution stirring device | |
| CN208372952U (en) | A kind of stripper accurate dosing tank | |
| CN211495371U (en) | Liquid storage tank device | |
| CN208302751U (en) | A kind of molten material reaction kettle of rare earth | |
| CN206897391U (en) | A kind of heavy duty detergent titanium steel reactor | |
| CN206746534U (en) | A kind of glass reaction kettle | |
| CN208493310U (en) | A kind of efficient extraction separation device of chemical engineering | |
| CN207148106U (en) | A kind of soil metal concentration detection means | |
| CN205926038U (en) | Medicine can be added in proportion and flotation device that mineral element drawed is carried out | |
| CN204579788U (en) | Multi-functional classical acid soup automatic fermentation device | |
| CN205538417U (en) | Microorganism diluting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 |