CN113295467A - Multifunctional acrylamide slurry sampling device - Google Patents
Multifunctional acrylamide slurry sampling device Download PDFInfo
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- CN113295467A CN113295467A CN202110704638.3A CN202110704638A CN113295467A CN 113295467 A CN113295467 A CN 113295467A CN 202110704638 A CN202110704638 A CN 202110704638A CN 113295467 A CN113295467 A CN 113295467A
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- sampler
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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
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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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
Abstract
The invention belongs to the field of petrochemical machinery, and particularly relates to a multifunctional acrylamide slurry sampling device which comprises an online sampler system, a cooler system, a sampling box system, an adsorption tank system and a nitrogen protection and purging system; the online sampler system comprises a valve short circuit and a cavity shell, plungers are arranged in the valve short circuit and the cavity shell, a sampler outlet pipe is arranged on the side wall of the cavity shell corresponding to the liquid guide sleeve in a bypass mode, the nitrogen protection and purging system is communicated with the sampler outlet pipe, the sampler outlet pipe is communicated with the cooler system, and a cooled medium enters the sampling box system. The invention improves the sampling technology of viscous, high-temperature and toxic liquid media to a new stage, fills a gap in the aspect of the sampling technology, solves the problem which cannot be solved by a box-type closed sampling device, and provides a new technology and guarantee for scientific and reasonable sampling of acrylamide slurry and guarantee of the assay quality of acrylamide chemical products.
Description
Technical Field
The invention belongs to the field of petrochemical machinery, and particularly relates to a multifunctional acrylamide slurry sampling device.
Background
In modern petrochemical production, the quality requirements on products are higher and higher, and particularly, with the rapid development of chemical production technology, the types of products are more and more, the production process is more and more complex, and the requirements on the quality of the products and the production environment are more and more strict. To ensure the quality of the final product, it is important to hold each link in the production of chemical products, and sampling and testing are a key link. In the sampling and testing process, whether the original test is true or not is the decisive factor of true data in the test. How to guarantee the authenticity of former state, convenient, swift when taking a sample into account simultaneously, the non-staining environment again, the advance, the suitability of sampling device provide the assurance for the medium sample under the special circumstances.
The currently commonly adopted box-type closed sampling device has many advantages in the aspect of gas sampling, the sample is convenient to circulate, the sampling is real, and the environment pollution is avoided; however, there are problems in liquid sampling, particularly in the sampling of liquid media and viscous crystallization media in the presence of toxic gases: for example, the disadvantages that a pipeline is easily blocked by a viscous medium, a liquid medium containing toxic gas cannot be discharged and the like cannot be overcome, and the box-type closed sampling device also has the problems that a quick connector connected with a steel cylinder is easily damaged and leaked, the temperature of the medium of a sample cannot be reduced and the like. Especially, sampling similar to that of acrylamide-based compounds is more difficult. The acrylamide compound is synthesized by using acrylonitrile as a raw material and carrying out hydration reaction with water under the conditions of certain temperature, pressure and existence of a catalyst in the production process, and slurry in the synthesis process has the characteristics of poor fluidity, high temperature and the like and is accompanied with the operation of toxic gas, so that the difficulty is brought to sampling and testing in the production process, and the box-type closed sampling device cannot adapt to the special sampling requirement.
Disclosure of Invention
In order to solve the sampling problem in the generation process of acrylamide compounds, the invention provides a multifunctional acrylamide slurry sampling device, which improves the sampling technology of viscous, high-temperature and toxic liquid media to a new stage, fills a gap in the sampling technology, solves the problem which cannot be solved by a box-type closed sampling device, and provides a new technology and guarantee for scientific and reasonable sampling of acrylamide slurry and guarantee of the assay quality of acrylamide chemical products.
The technical scheme provided by the invention is as follows: a multifunctional acrylamide slurry sampling device comprises an online sampler system, a cooler system, a sampling box system, an adsorption tank system and a nitrogen protection and purging system; the online sampler system comprises a valve short joint, a cavity shell and a lead screw support sleeve, wherein one end of the valve short joint is connected with a sampling pipeline, the other end of the valve short joint is coaxially and detachably connected with the cavity shell, a liquid guide sleeve is arranged in the cavity shell in a plug manner, a concave ring is arranged in the middle of the outer wall of the liquid guide sleeve, a radial communicating hole is formed in the concave ring, a sampler outlet pipe is communicated with the side wall of the cavity shell corresponding to the concave ring, sealing structural members are arranged in the cavity shell at two ends of the liquid guide sleeve in a plug manner, a plunger is inserted in the valve short joint and comprises a small-diameter section and a large-diameter section, the plunger at the large-diameter section extends into the cavity shell and penetrates through the center of the liquid guide sleeve to be in sealing fit with the sealing structural members at two ends of the liquid guide sleeve, a gland is arranged at one end of the cavity shell far away from the valve short joint, the liquid guide sleeve and the sealing structural members are packaged in the cavity shell by the gland, and the gland is connected with the cavity shell by screws or bolts, the screw rod support sleeve is buckled on the outer side of the gland, a certain space is reserved in the axial direction of the screw rod support sleeve and the gland so as to adjust the degree of tightness of the gland connected on the cavity shell, the screw rod support sleeve is detachably connected with the cavity shell, a screw rod is arranged in the screw rod support sleeve, the plunger is connected with the screw rod through a connecting piece, the screw rod transmits axial motion to the plunger, the screw rod is in threaded fit with the screw rod support sleeve, and the end part of the screw rod is provided with a handle for driving the screw rod to rotate; the cooler system comprises a cooler outer shell, wherein a cooling coil is arranged in the cooler outer shell, joints of the cooling coil extend out from the upper end and the lower end of the cooler outer shell, the upper end of the cooling coil is communicated with an outlet pipe of the sampler, a cooling liquid inlet pipe is bypassed at the lower part of the cooler outer shell, and a cooling liquid outlet pipe is bypassed at the upper part of the cooler outer shell;
the sampling box system comprises a sampling box body, the sampling box body is provided with an observation window and an openable box door, the upper end of the box body is provided with a medium inlet connecting pipe, the upper end of the medium inlet connecting pipe is communicated with the lower end of the cooling coil pipe through a control valve A, the upper end of the sampling box body is also provided with a toxic gas discharge pipe, a sampling bottle bracket is arranged in the box body below the medium inlet connecting pipe, and a sampling bottle is placed on the sampling bottle bracket; the adsorption tank system comprises an adsorption tank body, adsorbent is filled in the adsorption tank body, and the toxic gas discharge pipe is communicated with the adsorption tank through a control valve B; the nitrogen protection and purging system comprises a nitrogen source, a control valve C and a one-way valve which are communicated in sequence, and the other end of the one-way valve is communicated with an outlet pipe of the sampler.
The further technical scheme is as follows: the sampling bottle bracket is connected with the box door.
The further technical scheme is as follows: the sampling box bottom rigid coupling have the collecting hopper, install the filter screen in the sampling box of collecting hopper top, the filter screen passes through filter screen grid frame to be supported, the collecting hopper lower extreme be connected with the blowdown return bend through control valve D.
The invention has the beneficial effects that:
1. the invention improves the sampling technology of viscous, high-temperature and toxic liquid media to a new stage, fills a gap in the aspect of the sampling technology, solves the problem which cannot be solved by a box-type closed sampling device, and provides a new technology and guarantee for scientific and reasonable sampling of acrylamide slurry and guarantee of the assay quality of acrylamide chemical products.
2. After sampling is finished, the residual slurry flowing through the pipeline upstream (an inlet pipe and a cavity of the online sampler) can be pushed back to the main pipeline by the plunger; the residual slurry flowing through the downstream of the pipeline can be purged into the sampling box through the nitrogen protection and purging system, so that the pipeline for re-sampling is ensured to be smooth; the nitrogen protection and purging system not only purges the sampling medium circulation pipeline, but also avoids the blockage of the pipeline; and toxic media are also driven away, and the safety in the sampling process is ensured.
3. The online sampler can adjust the sealing capability online when slight leakage occurs; when major faults occur, the communication between the online sampler system and the sampling pipeline can be cut off by closing the gate valve, and the online sampler system and other systems are maintained and adjusted under the condition of safety.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a cross-sectional view of an in-line sampler system of the present invention.
Fig. 4 is a schematic diagram of the construction of the chiller system of the present invention.
Fig. 5 is a perspective cutaway view of the sample chamber system of the present invention.
FIG. 6 is a perspective view of an canister system of the present invention.
In the figure: 1. an online sampler system; 101. the valve is in short connection; 102. a plunger; 103. sealing the structural member; 104. a drainage sleeve; 105. a gland; 106. a lead screw bracket sleeve; 107. a handle; 108. a lead screw; 109. a connecting member; 110. a cavity shell; 111. a sampler outlet pipe; 2. a nitrogen protection and purging system; 201. a one-way valve; 202. a control valve C; 3. a chiller system; 301. a cooler outer shell; 302. a cooling coil; 303. a coolant inlet pipe; 304 coolant outlet pipe; 4. a control valve A; 5. a sample box system; 501. a sampling box body; 502. an observation window; 503. a box door; 504. a media inlet connection; 505. a toxic gas discharge pipe; 506. a sampling bottle holder; 507. filtering with a screen; 508. a collection hopper; 6. a control valve D; 7. a blowdown elbow pipe; 8. an adsorption tank system; 801. an adsorption tank body; 802. an adsorbent; 9. and controlling the valve B.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The system comprises an online sampler system 1, a cooler system 3, a sampling box system 5, an adsorption tank system 8 and a nitrogen protection and purging system 2.
Online sampler system 1 include valve short circuit 101, cavity casing 110 and lead screw support cover 106, the one end and the sampling line connection of valve short circuit 101 (drill on the sampling line in advance, with valve short circuit 101 welding in sampling line's drill hole department), the other end and the coaxial detachable of cavity casing 110 of valve short circuit 101 are connected, cavity casing 110 internal plug is equipped with leads liquid cover 104, be the concave ring in the middle of leading liquid cover 104 outer wall, the last radial intercommunicating pore that has of concave ring, the other intercommunication of cavity casing 110 lateral wall that the concave ring corresponds has sampler outlet pipe 111. The cavity shell 110 at the two ends of the liquid guide sleeve 104 is filled with a sealing structure 103.
The important points to be explained are: the valve short joint 101 is composed of a short joint, a gate valve and a flange, and is a specially-made component with three parts as a whole, a smooth channel is arranged in the middle, a plunger 102 is inserted in the smooth channel, the plunger 102 comprises a small-diameter section and a large-diameter section, the large-diameter section plunger extends into a cavity shell 110, penetrates through the center of a liquid guide sleeve 104 and is in sealing fit with sealing structural members 103 at two ends of the liquid guide sleeve 104, and when the large-diameter section plunger is in sealing fit with the sealing structural members 103, the online sampler system 1 is in a closed state.
The outer diameter of the plunger of the small diameter section is smaller than the inner diameter of the sealing structure 103 and the liquid guiding sleeve 104, so that after the plunger of the small diameter section reaches the liquid guiding sleeve 104, the slurry can enter the sampler outlet pipe 111 through the communication hole of the liquid guiding sleeve 104, and the online sampler system 1 is in an open state at this time.
Keep away from cavity casing 110 one end of valve short circuit 101 and be provided with gland 105, gland 105 encapsulates drain cover 104 and sealing structure 103 in cavity casing 110, gland 105 passes through screw or bolt and is connected with cavity casing 110, lead screw support cover 106 spiral-lock in the outside of gland 105, lead screw support cover 106 leaves certain space with gland 105 axial to the elasticity degree that adjustment gland 105 is connected on cavity casing 110, lead screw support cover 106 and cavity casing 110 detachable connection, gland 105's main effect can change plunger 102 and sealing structure 103's sealed degree, prevents to produce the leakage here. The screw rod 108 is arranged in the screw rod bracket sleeve 106, the plunger 102 is connected with the screw rod 108 through a connecting piece 109, the screw rod 108 transmits axial movement to the plunger 102, the screw rod 108 is in threaded fit with the screw rod bracket sleeve 106, and a handle 107 for driving the screw rod 108 to rotate is arranged at the end part of the screw rod 108.
During sampling, the handle 107 can be rotated anticlockwise, the lead screw 108 pulls the plunger 102 to move outwards slowly, after the small-diameter section plunger reaches the liquid guide sleeve 104, media in a sampling pipeline flow outwards in the pipeline with the help of pressure, are discharged from the outlet pipe 111 of the sampler and flow into the cooler system 3, after sampling is finished, the handle 107 is rotated clockwise, the lead screw 108 pushes the plunger 102 to move inwards slowly, and the residual sampling media are pushed back into the sampling pipeline, so that the online sampler system 1 is closed.
In addition, some accidents are inevitably caused in the sampling process, and the method also has measures to deal with the accidents; if the online sampler seal leaks slightly, the gland 105 can apply larger axial pressure to the sealing structure 103 by screwing down the screw or bolt between the gland 105 and the cavity shell 110, so as to improve the sealing capability; conversely, if the plunger 102 is too tightly engaged with the sealing structure 103 and the handle 107 is difficult to rock, the screw or bolt can be appropriately loosened. If a large fault occurs in the sampling process, and maintenance such as shutdown and replacement of the sealing structural member 103 is required, the handle 107 can be shaken to move the plunger 102 out as much as possible, then the gate valve on the valve short circuit 101 is closed, and the communication between the online sampler system 1 and the sampling pipeline is cut off, so that the online sampler system 1 and other systems are maintained and adjusted under the safe condition.
The cooler system 3 include cooler shell body 301, cooler shell body 301 can come the design size according to the temperature of thick liquid medium, flow, install cooling coil 302 in the cooler shell body 301, cooling coil 302 make for petrochemical industry special seamless steel pipe, ensure not to reveal probably, cooling coil 302's joint stretches out from the upper and lower both ends of cooler shell body 301, wherein cooling coil 302's upper end and sampler outlet pipe 111 intercommunication, the cooling water that the medium of sampling is in cooler coil 302 by cooler system 3 is cooled, cooler shell body 301 lower part bypass has coolant liquid inlet tube 303, the upper portion bypass has coolant liquid outlet pipe 304, the coolant liquid gets into from coolant liquid inlet tube 303, discharge from coolant liquid outlet pipe 304, accomplish circulative cooling.
The sampling box system 5 comprises a sampling box body 501, the sampling box body 501 is a closed box, the sampling box body 501 is provided with an observation window 502 and an openable box door 503, the liquid level of a sampling bottle in the box can be observed conveniently at any time, and the box door 503 is attached with a hinge and a door locking device and can be opened or closed at any time so as to be used for placing the sampling bottle and taking out the sampling bottle. The upper end of the sampling box body 501 is provided with a medium inlet connecting pipe 504, the upper end of the medium inlet connecting pipe 504 is communicated with the lower end of the cooling coil 302 through a control valve A4, a control valve A4 is opened, the slurry medium enters the sampling box system 5 from the cooler system 3, the upper end of the sampling box body 501 is also provided with a toxic gas discharge pipe 505, and toxic gas in the slurry medium can be discharged into the adsorption tank system 8 through the toxic gas discharge pipe. The lower end of the medium inlet connecting pipe 504 extends into the sampling box body 501 by a certain length, a sampling bottle bracket 506 is arranged in the box body below the medium inlet connecting pipe, a sampling bottle is placed on the sampling bottle bracket 506, the lower end of the medium inlet connecting pipe 504 is aligned to the center of the sampling bottle bracket 506 and keeps a reasonable distance, so that the slurry is prevented from splashing when flowing into the sampling bottle, and the sampling medium smoothly enters the sampling bottle through the pipe.
The adsorption tank system 8 comprises an adsorption tank body 801, the adsorption tank body 801 is installed on a support, an adsorbent 802 is installed in the adsorption tank body 801, a toxic gas discharge pipe is communicated with the adsorption tank system 8 through a control valve B9, after the control valve B9 is opened, toxic gas enters the adsorption tank for adsorption, and the adsorbent 802 can be cleaned or replaced at regular time.
The nitrogen protection and purging system 2 comprises a nitrogen source, a control valve C202 and a one-way valve 201 which are communicated in sequence, and the other end of the one-way valve 202 is communicated with a sampler outlet pipe 111; after a quantitative sample flows into a sampling bottle in the sampling box body 501, the control valve C202 is immediately opened, nitrogen sequentially passes through the sampler outlet pipe 111, the cooling coil 302 of the cooler and the medium inlet connecting pipe 504 of the sampling box and enters the sampling box body 501, toxic media are removed, the safety in the sampling process is ensured, a sampling medium circulation pipeline is purged, and the pipeline blockage is avoided.
The sample bottle holder 506 is connected with the box door 503, and when the box door 503 is opened, the sample bottle holder 506 carries the sample bottle to rotate out of the box, so that the sample bottle can be taken without extending a hand into the box.
The whole body of the invention is supported by a bracket, the bracket is formed by assembling and welding angle steel, a square bottom plate is arranged at the bottom of the bracket, and the bottom plate can be fixed on a foundation through foundation bolts.
The main process flow of the invention is as follows:
1. before use, whether the appearance of the valve is damaged or not is checked, whether a leakage part exists or not is checked, and the valve starts to operate after all the valves are confirmed to be in a closed state.
2. First, the door 503 of the sampling box is opened, the sampling bottle holder 506 is also moved out of the box along with the door 503, the sampling bottle is lightly placed on the sampling bottle holder 506, and then the door 503 is closed.
3. In order to ensure the cleanness in the pipeline, the first step is to open the control valve C202 and the control valve D of the nitrogen protection and purging system 2, the nitrogen enters the sampler outlet pipe 111 through the one-way valve 201, enters the sampling box system 5 through the cooling coil 302, fills the sampling box 501 with the nitrogen, protects the safe sampling, closes the control valve C202 after the process is continued for one minute, and ends the early purging process.
4. The sampling process begins: opening a control valve B9 to communicate with the adsorption tank system 8; and then the handle 107 is rotated anticlockwise by the on-line sampler 1 system, the screw rod 108 moves outwards, the plunger 102 moves outwards along with the screw rod 108, the slurry in the sampling pipeline enters the on-line sampler system 1 along with the screw rod under the pressure of the pipeline, the slurry enters the cooler system 3 connected with the slurry after reaching the sampler outlet pipe 111 through the inner cavity of the on-line sampler system 1, and the medium is cooled through the cooling coil 302 of the cooler system 3. The cooling water enters the cooler housing 301, which houses the cooling coil 302, through the cooling fluid inlet pipe 303 and exits through the cooling fluid outlet pipe 304, thereby forming circulating cooling water. The cooled slurry temperature is reduced, the slurry enters the sampling box system 5 through the bottom end of the cooling coil 302, after the slurry is received by the medium inlet connecting pipe 504 in the sampling box system 5, the slurry is injected into a sampling bottle fixed by a sampling bottle bracket 506, after the slurry amount of the sampling bottle reaches the requirement through the observation windows 502 on the two sides of the sampling box system 5, the handle 107 of the online sampler system 1 is rotated clockwise, the plunger 102 slowly moves back under the drive of the screw rod 108, in the moving process, all residual media accumulated in the cavity are pushed back to a sampling pipeline, and the sampling inlet pipeline is closed.
5. Nitrogen purging: the control valve C202 of the nitrogen protection and purging system 2 is opened again, the control valve B9 is closed at the same time, the pipeline through which the slurry flows is purged, the toxic media left in the pipeline and the sampling box body 501 are cleared, the pipeline for re-sampling is ensured to be smooth, all valves are closed finally, the bolt is rotated anticlockwise at the moment, the door lock is opened, the box door 503 is slowly pulled open leftwards, the sampling bottle is also moved out of the box along with the box door 503, the sampling bottle is stably taken up from the sampling bottle bracket 506, the box door 503 is closed, the bolt falls on the door stop again, and the whole operation process is finished.
It should be noted that: in the sampling process, in the sampling box system, toxic gas contained in the sample slurry is discharged into the adsorption tank system 8 through the toxic gas discharge pipe. Purification by absorption with activated carbon or other adsorbents. Meanwhile, residual media in the sampling box body 501 are discharged and recovered through the sewage trap 7.
In conclusion, the sampling technology of viscous, high-temperature and toxic liquid media is improved to a new stage, a gap in the sampling technology is filled, the problem which cannot be solved by a box-type closed sampling device is solved, and a new technology and guarantee are provided for scientifically and reasonably sampling acrylamide slurry and guaranteeing the assay quality of acrylamide chemical products.
Claims (3)
1. The utility model provides a multi-functional acrylamide class thick liquid sampling device which characterized in that: comprises an online sampler system (1), a cooler system (3), a sampling box system (5), an adsorption tank system (8) and a nitrogen protection and purging system (2);
the online sampler system comprises a valve short joint (101), a cavity shell (110) and a lead screw support sleeve (106), wherein one end of the valve short joint (101) is connected with a sampling pipeline, the other end of the valve short joint (101) is coaxially and detachably connected with the cavity shell (110), a liquid guide sleeve (104) is arranged in the cavity shell (110) in a plug manner, a concave ring is arranged in the middle of the outer wall of the liquid guide sleeve (104), a radial communicating hole is formed in the concave ring, a sampler outlet pipe (111) is communicated with the side wall of the cavity shell (110) corresponding to the concave ring, sealing structural members (103) are arranged in the cavity shell (110) at the two ends of the liquid guide sleeve (104) in a plug manner, a plunger (102) is arranged in the valve short joint (101) in a plug manner, the plunger (102) comprises a thin-diameter section and a thick-diameter section, the thick-diameter section plunger extends into the cavity shell (110), penetrates through the center of the liquid guide sleeve (104), and is in sealing fit with the sealing structural members (103) at the two ends of the liquid guide sleeve (104), a gland (105) is arranged at one end, far away from the valve short connector (101), of a cavity shell (110), the liquid guide sleeve (104) and the sealing structural member (103) are packaged in the cavity shell (110) through the gland (105), the gland (105) is connected with the cavity shell (110) through screws or bolts, the lead screw support sleeve (106) is detachably connected with the cavity shell (110), a lead screw (108) is arranged in the lead screw support sleeve (106), the plunger (102) is connected with the lead screw (108) through a connecting piece (109), the lead screw (108) transmits axial motion to the plunger (102), the lead screw (108) is in threaded fit with the lead screw support sleeve (106), and a handle (107) for driving the lead screw (108) to rotate is installed at the end part of the lead screw (108);
the cooler system (3) comprises a cooler outer shell (301), a cooling coil (302) is installed in the cooler outer shell, joints of the cooling coil (302) extend out from the upper end and the lower end of the cooler outer shell (301), the upper end of the cooling coil (302) is communicated with a sampler outlet pipe (111), a cooling liquid inlet pipe (303) is bypassed on the lower part of the cooler outer shell (301), and a cooling liquid outlet pipe (304) is bypassed on the upper part of the cooler outer shell;
the sampling box system (5) comprises a sampling box body (501), the sampling box body (501) is provided with an observation window (502) and an openable box door (503), the upper end of the box body is provided with a medium inlet connecting pipe (504), the upper end of the medium inlet connecting pipe (504) is communicated with the lower end of the cooling coil pipe (302) through a control valve A (4), the upper end of the sampling box body (501) is also provided with a toxic gas discharge pipe (505), a sampling bottle bracket (506) is arranged in the box below the medium inlet connecting pipe (504), and a sampling bottle is placed on the sampling bottle bracket (506);
the adsorption tank system (8) comprises an adsorption tank body (801), an adsorbent (802) is arranged in the adsorption tank body (801), and the toxic gas discharge pipe (505) is communicated with the adsorption tank (8) through a control valve B (9);
the nitrogen protection and purging system (2) comprises a nitrogen source, a control valve C (202) and a one-way valve (201), the nitrogen source, the control valve C (202) and the one-way valve (201) are sequentially communicated, and the other end of the one-way valve (201) is communicated with an outlet pipe (111) of the sampler.
2. The multifunctional acrylamide-based slurry sampling device according to claim 1, characterized in that: the sampling bottle bracket (506) is connected with the box door (503).
3. The multifunctional acrylamide-based slurry sampling device according to claim 1, characterized in that: sample box (501) bottom rigid coupling have aggregate bin (508), install filter screen (507) in the sample box (501) of aggregate bin (508) top, filter screen (507) support through filter screen grid frame, aggregate bin (508) lower extreme be connected with blowdown return bend (7) through control valve D (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110704638.3A CN113295467A (en) | 2021-06-24 | 2021-06-24 | Multifunctional acrylamide slurry sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110704638.3A CN113295467A (en) | 2021-06-24 | 2021-06-24 | Multifunctional acrylamide slurry sampling device |
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| CN113295467A true CN113295467A (en) | 2021-08-24 |
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| CN202110704638.3A Withdrawn CN113295467A (en) | 2021-06-24 | 2021-06-24 | Multifunctional acrylamide slurry sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629696A (en) * | 2024-01-26 | 2024-03-01 | 宿迁新亚科技有限公司 | Sample sampling device for preparing N-methyl formamide |
-
2021
- 2021-06-24 CN CN202110704638.3A patent/CN113295467A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629696A (en) * | 2024-01-26 | 2024-03-01 | 宿迁新亚科技有限公司 | Sample sampling device for preparing N-methyl formamide |
| CN117629696B (en) * | 2024-01-26 | 2024-04-05 | 宿迁新亚科技有限公司 | Sample sampling device for preparing N-methyl formamide |
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