Safe sampling system
By designing a safe sampling system, the safe collection and efficient recovery of materials from the reactor were achieved, solving the problems of high sampling safety and cost in existing technologies, improving operational safety and reducing production costs.
Patent Information
- Application Number
- CN202422632127.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing sampling methods for reactors pose safety hazards, as materials are volatile and difficult to recover, resulting in high production costs.
Design a safe sampling system, including a sampling component, an absorption component, and a rinsing component. The material collection and recovery are controlled by pipelines and control valves. The system utilizes a vacuum pump to condense the exhaust gas and nitrogen to rinse the sample in the buffer tank before recovering it into the reaction vessel.
This improved the safety and convenience of sampling, reduced worker contact with exhaust gases, and lowered production costs.
Smart Images
Figure CN223565308U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical industry technical field, especially a kind of safety sampling system. BACKGROUND
[0002] Reaction kettle is usually connected with sampling valve, by opening sampling valve can obtain the material in reaction kettle, the existing sampling mode is mainly through worker manually opens sampling valve to collect sample, but the material in reaction tank usually has corrosion, toxic, volatile and other harmful characteristics, and material is usually in high temperature state, so that worker is easy to inhale harmful material or be scalded, and the material scattered is difficult to recover, causing material waste, not conducive to reduce production cost. SUMMARY
[0003] The utility model at least solves one of the technical problems existing in the prior art. To this end, the utility model provides a safety sampling system, which can improve the safety of operation, facilitate the recovery of material and reduce production cost.
[0004] According to the safety sampling system of the first aspect embodiment of the utility model, the sampling assembly, the absorption assembly and the flushing assembly are included, the sampling assembly includes sampling tank and buffer tank, the sampling tank is communicated with reaction kettle through first pipeline, the first pipeline is connected with first control valve, the first control valve is used to open or close the first pipeline, the sampling tank is detachably connected with sampling bottle, the sampling bottle is used to collect sample, the sampling tank and the buffer tank are communicated through second pipeline, the second pipeline is connected with second control valve, the second control valve is used to open or close the second pipeline, the buffer tank and the reaction kettle are communicated through third pipeline, the third pipeline is connected with third control valve, the third control valve is used to open or close the third pipeline;The absorption assembly includes vacuum pump and cooling component, the sampling tank, the vacuum pump and the cooling component are communicated in sequence, the vacuum pump is used to pump from the sampling tank to the cooling component, and the cooling component is used to condense exhaust gas;The flushing assembly is used to output nitrogen to the buffer tank, so that the sample is flushed from the buffer tank into the reaction kettle.
[0005] According to the safe sampling system, the material is stored in the reaction kettle, the sampling tank is communicated with the reaction kettle through the first pipeline, the sampling bottle is detachably connected to the sampling tank, the sampling tank is communicated with the buffer tank through the second pipeline, the material in the reaction kettle can fall into the sampling bottle from the first pipeline by opening the first control valve and the second control valve, and the overflow sample of the sampling bottle can enter the buffer tank through the second pipeline, so that the excessive sample is prevented from accumulating in the sampling tank, then the first control valve and the second control valve are closed, and the vacuum pump is started, so that the gas flow can flow from the sampling tank to the cooling component, so that the waste gas volatilized from the sample can enter the cooling component, thereby reducing the waste gas remaining in the sampling tank, facilitating the worker to take out the sampling bottle from the sampling tank, reducing the contact between the waste gas and the worker, and improving the safety of sampling. The temperature of the waste gas can be reduced through the cooling component, so that the waste gas can be condensed, and the flushing assembly is communicated with the buffer tank, nitrogen gas can be output to the buffer tank through the flushing assembly, so that the gas pressure in the buffer tank is improved, then the third control valve is opened, so that the nitrogen gas in the buffer tank can flush the sample remaining in the buffer tank into the reaction kettle through the third pipeline, so that the sample can be conveniently recovered, the convenience of operation is improved, and the production cost is reduced.
[0006] According to some embodiments of the utility model, the third pipeline is provided with a sight glass, and the sight glass is used for observing the third pipeline.
[0007] According to some embodiments of the utility model, the absorption assembly further includes a plurality of activated carbon tanks, and the activated carbon tanks are all communicated with the cooling component, and the activated carbon tanks are used for absorbing the waste gas.
[0008] According to some embodiments of the utility model, the activated carbon tank is provided with a disperser and a gas collector, the disperser is arranged at the input end of the activated carbon tank, the gas collector is arranged at the output end of the activated carbon tank, the disperser is used for dispersing the waste gas, and the gas collector is used for concentrating the waste gas.
[0009] According to some embodiments of the utility model, the activated carbon tank is provided with a heat preservation layer, and the heat preservation layer is wrapped on the outer wall of the activated carbon tank.
[0010] According to some embodiments of the utility model, the sampling tank is provided with a tray, the tray is clamped to the inner wall of the sampling tank, the tray is provided with a plurality of through holes, the through holes are arranged at intervals, and the sampling bottle is clamped in the through hole.
[0011] According to some embodiments of the utility model, a filter is arranged between the sampling tank and the vacuum pump, and the filter is used for filtering the waste gas.
[0012] According to some embodiments of the utility model, the buffer tank is further provided with a pressure sensor, and the pressure sensor is used for detecting the air pressure in the buffer tank.
[0013] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model will be further explained in combination with the drawings and embodiments, wherein:
[0015] Figure 1 It is the schematic diagram of safety sampling system of the utility model embodiment;
[0016] Figure 2 It is the process flow diagram of safety sampling system of the utility model embodiment.
[0017] REFERENCE NUMERALS
[0018] Sampling assembly 100, sampling tank 110, buffer tank 120, pressure sensor 121, first pipeline 131, first control valve 132, second pipeline 133, second control valve 134, third pipeline 135, third control valve 136, sight glass 137;
[0019] Absorption assembly 200, vacuum pump 210, filter 211, cooling component 220, activated carbon tank 230, disperser 231, gas collector 232, heat preservation layer 233;
[0020] Flushing assembly 300;
[0021] Reaction kettle 400. DETAILED DESCRIPTION
[0022] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.
[0023] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of up, down, front, back, left, right and the like indicated by the drawings is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as the limitation of the utility model.
[0024] In the description of the utility model, if several meanings are one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If it is described to the first, the second is only used for distinguishing the purpose of technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0025] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.
[0026] It can be understood that, with reference to Figure 1 And Figure 2 The safety sampling system of the utility model, including sampling assembly 100, absorption assembly 200 and flushing assembly 300, sampling assembly 100 includes sampling tank 110 and buffer tank 120, sampling tank 110 is communicated with reation kettle 400 through first pipe line 131, first control valve 132 is connected to first pipe line 131, and first control valve 132 is used to open or close first pipe line 131, sampling tank 110 is detachably connected with sampling bottle (not shown in the drawing), sampling bottle is used to collect sample, sampling tank 110 is communicated with buffer tank 120 through second pipe line 133, second control valve 134 is connected to second pipe line 133, and second control valve 134 is used to open or close second pipe line 133, buffer tank 120 is communicated with reation kettle 400 through third pipe line 135, third control valve 136 is connected to third pipe line 135, and third control valve 136 is used to open or close third pipe line 135;Absorption assembly 200 includes vacuum pump 210 and cooling part 220, sampling tank 110, vacuum pump 210 and cooling part 220 are communicated in sequence, vacuum pump 210 is used to pump from sampling tank 110 to cooling part 220, and cooling part 220 is used to condense exhaust gas;Flushing assembly 300 is used to output nitrogen to buffer tank 120, so that sample is flushed from buffer tank 120 to reation kettle 400.
[0027] The material is stored in the reaction kettle 400, the sampling tank 110 is communicated with the reaction kettle 400 through the first pipeline 131, the sampling bottle is detachably connected to the sampling tank 110, the sampling tank 110 is communicated with the buffer tank 120 through the second pipeline 133, by opening the first control valve 132 and the second control valve 134, the material in the reaction kettle 400 can fall into the sampling bottle from the first pipeline 131, and the sample overflowed from the sampling bottle can enter the buffer tank 120 through the second pipeline 133, avoiding the accumulation of excess sample in the sampling tank 110, then the first control valve 132 and the second control valve 134 are closed, and the vacuum pump 210 is opened, so that the vacuum pump 210 can drive the gas flow from the sampling tank 110 to the cooling component 220, so that the waste gas volatilized by the sample can enter the cooling component 220, thereby reducing the waste gas remaining in the sampling tank 110, facilitating the worker to take out the sampling bottle from the sampling tank 110, reducing the contact between the waste gas and the worker, reducing the possibility of the worker inhaling the waste gas, and improving the safety of sampling.
[0028] The temperature of the waste gas can be reduced by the cooling component 220, so that the waste gas can be condensed and reduced, thereby facilitating collection and processing, reducing waste of the material, and the flushing assembly 300 is communicated with the buffer tank 120, nitrogen gas can be output to the buffer tank 120 through the flushing assembly 300, so as to increase the gas pressure in the buffer tank 120, then the third control valve 136 is opened, so that the nitrogen gas in the buffer tank 120 can flush the sample remaining in the buffer tank 120 into the reaction kettle 400 through the third pipeline 135, thereby facilitating the recovery of the sample, reducing the waste of the sample, improving the convenience of operation, and reducing the production cost.
[0029] It should be noted that the sampling tank 110 is rotatably connected with a cover, the cover can be sealingly connected with the sampling tank 110, by opening the cover, the sampling bottle can be loaded into the sampling tank 110 or taken out from the sampling tank 110.
[0030] In addition, the flushing assembly 300 can be a nitrogen gas cylinder, the nitrogen gas cylinder is communicated with the buffer tank 120, so that the nitrogen gas in the nitrogen gas cylinder can be input into the buffer tank 120, thereby increasing the gas pressure in the buffer tank 120, then the third control valve 136 is opened, so that the nitrogen gas in the buffer tank 120 can be sprayed out through the third pipeline 135, and the sample remaining in the buffer tank 120 can be flushed back to the reaction kettle 400, without manual collection, improving the convenience of recovery, reducing the waste of the material, and reducing the production cost.
[0031] The cooling component 220 is a prior art, which comprises a compressor, a condenser, a throttle valve and an evaporator. The cooling medium is driven to circulate between the condenser, the throttle valve and the evaporator by the compressor to reduce the temperature, so that the exhaust gas can be condensed by passing through the cooling component 220, thereby reducing the dispersion of the exhaust gas, reducing the possibility of workers inhaling the exhaust gas, and improving the safety of sampling.
[0032] It can be understood that the number of the first control valves 132 is two, and the two first control valves 132 are arranged on the first pipeline 131 at intervals. The first control valve 132 close to the reaction kettle 400 is first opened, so that the sample can enter the first pipeline 131, then the first control valve 132 close to the reaction kettle 400 is closed, and the first control valve 132 close to the sampling tank 110 is opened, so that the sample can fall into the sampling bottle, thereby conveniently controlling the output amount of the sample, avoiding the direct contact of the material in the reaction kettle 400 with the outside world, improving the consistency of the sample, and reducing the volatilization of the sample and improving the safety of sampling.
[0033] It can be understood that, referring to Figure 1 , the third pipeline 135 is provided with a sight glass 137 for observing the third pipeline 135. The sight glass 137 is connected to the third pipeline 135, and the inner wall of the third pipeline 135 can be conveniently observed by arranging the sight glass 137, so that the worker can conveniently judge whether the flushing of the buffer tank 120 is completed, thereby improving the flushing quality of the buffer tank 120, reducing the possibility of sample residue, and improving the convenience of operation.
[0034] It should be noted that the flushing assembly 300 can output nitrogen gas to the buffer tank 120 to increase the air pressure in the buffer tank 120, and then the third control valve 136 is opened, so that the nitrogen gas can drive the sample to flush from the third pipeline 135 into the reaction kettle 400. The flushing state of the third pipeline 135 can be conveniently observed by arranging the sight glass 137, so as to understand the sample residue amount in the buffer tank 120, thereby improving the convenience of recovery.
[0035] It can be understood that, referring to Figure 1 , the absorption assembly 200 further comprises a plurality of activated carbon tanks 230, and the plurality of activated carbon tanks 230 are in communication with the cooling component 220. The activated carbon tank 230 is used for absorbing the exhaust gas. The plurality of activated carbon tanks 230 are in communication with the cooling component 220, so that the airflow driven by the vacuum pump 210 passes through the sampling tank 110, the cooling component 220 and the activated carbon tank 230 in sequence. The uncondensed exhaust gas in the cooling component 220 can be absorbed by the activated carbon tank 230, thereby avoiding the direct discharge of the sample volatilized exhaust gas, reducing the possibility of workers inhaling the exhaust gas, and improving the safety of sampling.
[0036] It should be noted that the plurality of activated carbon tanks 230 can be in communication with the cooling component 220, so that the uncondensed exhaust gas in the cooling component 220 can be dispersed in the plurality of activated carbon tanks 230, thereby improving the efficiency of exhaust gas absorption; the plurality of activated carbon tanks 230 can also be communicated in sequence, so that the exhaust gas can pass through the plurality of activated carbon tanks 230 one by one, thereby improving the absorption rate of the exhaust gas, which is not limited here.
[0037] Specifically, referring to Figure 1 , the activated carbon tank 230 is provided with a disperser 231 and a gas collector 232, the disperser 231 is arranged at the input end of the activated carbon tank 230, and the gas collector 232 is arranged at the output end of the activated carbon tank 230, the disperser 231 is used for dispersing the exhaust gas, and the gas collector 232 is used for concentrating the exhaust gas. The disperser 231 and the gas collector 232 are arranged at the input end and the output end of the activated carbon tank 230 respectively, so that after the exhaust gas is input from the input end of the activated carbon tank 230, the exhaust gas can be dispersed by the disperser 231, thereby increasing the contact area of the exhaust gas and the activated carbon, facilitating the absorption of the exhaust gas by the activated carbon tank 230, and then the exhaust gas passes through the gas collector 232, so that the exhaust gas can be concentrated and output from the output end of the activated carbon tank 230, reducing the accumulation of the exhaust gas in the activated carbon tank 230, so that the exhaust gas can smoothly pass through the activated carbon tank 230, thereby improving the absorption efficiency of the activated carbon tank 230.
[0038] Specifically, referring to Figure 1 , the activated carbon tank 230 is provided with a thermal insulation layer 233, and the thermal insulation layer 233 is wrapped on the outer wall of the activated carbon tank 230. The thermal insulation layer 233 is wrapped on the outer wall of the activated carbon tank 230, and the temperature change of the activated carbon tank 230 can be slowed down by arranging the thermal insulation layer 233, so that the activated carbon tank 230 can smoothly absorb the exhaust gas, thereby improving the absorption efficiency and reliability of the activated carbon tank 230.
[0039] It should be noted that the exhaust gas is output from the cooling component 220, so that the temperature of the exhaust gas is relatively low, and the thermal insulation layer 233 is wrapped on the outer wall of the activated carbon tank 230, so that when the exhaust gas passes through the activated carbon tank 230, the heat exchange with the outside can be slowed down, thereby avoiding the condensation of the exhaust gas in the activated carbon tank 230, so that the activated carbon in the activated carbon tank 230 can be prevented from being wetted, the activated carbon tank 230 can maintain the adsorption force, and the absorption efficiency of the exhaust gas can be improved.
[0040] It can be understood that, referring to Figure 1The sampling tank 110 is provided with a tray (not shown in the drawings), the tray is clamped to the inner wall of the sampling tank 110, the tray is provided with a plurality of through holes, the plurality of through holes are arranged at intervals, and the sampling bottle is clamped in the through hole. The tray is clamped to the inner wall of the sampling tank 110, the tray is provided with a plurality of through holes, the sampling bottle is clamped in the through hole, the position of the sampling bottle can be fixed conveniently by arranging the tray, so that the sampling of the sampling bottle is facilitated, and the sample overflowing from the sampling bottle can fall into the buffer tank 120 through the through hole, so that the sample is prevented from accumulating in the sampling tank 110, the worker can take out the sampling bottle conveniently, the possibility of the worker inhaling the exhaust gas is reduced, and the safety of sampling is improved.
[0041] It can be understood that, referring to Figure 1 The filter 211 is arranged between the sampling tank 110 and the vacuum pump 210, and the filter 211 is used for filtering the exhaust gas. The filter 211 is arranged between the sampling tank 110 and the vacuum pump 210, and the impurities in the exhaust gas can be absorbed by arranging the filter 211, so that the impurities in the exhaust gas are prevented from blocking the vacuum pump 210 and the cooling component 220, and the reliability of the safe sampling system is improved.
[0042] It can be understood that, referring to Figure 1 The buffer tank 120 is also provided with a pressure sensor 121, and the pressure sensor 121 is used for detecting the air pressure in the buffer tank 120. The pressure sensor 121 communicates with the buffer tank 120, and the air pressure in the buffer tank 120 can be detected by the pressure sensor 121, so that the flushing pressure of the flushing assembly 300 on the buffer tank 120 can be controlled conveniently, and the flushing effect is improved.
[0043] The sampling process of the safe sampling system is as follows:
[0044] 1. The vacuum pump 210 is started, then the first control valve 132 and the second control valve 134 are opened, so that the sample in the reaction kettle 400 can be input into the sampling tank 110 through the first pipeline 131, the first control valve 132 is opened and closed for multiple times, the sample in the reaction kettle 400 is flushed into the first pipeline 131 for three times, so as to prevent the first pipeline 131 from being left with the sample of the previous batch, and the flushed sample falls into the buffer tank 120 through the second pipeline 133.
[0045] 2. The sampling bottle is placed in the through hole on the tray, and then the first control valve 132 is opened, so that the sample in the reaction kettle 400 falls into the sampling bottle, and the excess sample enters the second pipeline 133 through the through hole on the tray.
[0046] 3. Close the first control valve 132 and the second control valve 134, and then the residual sample in the sampling tank 110 is volatilized into waste gas, which is sequentially drawn into the filter 211, the cooling component 220 and the activated carbon tank 230 by the vacuum pump 210, so that the waste gas can be condensed or absorbed, and the accumulation of the waste gas in the sampling tank 110 is reduced, and then the worker takes out the sampling bottle from the sampling tank 110.
[0047] 4. Open the flushing assembly 300, and then nitrogen is input into the buffer tank 120 through the flushing assembly 300, so that the nitrogen can be pressed into the buffer tank 120, and the air pressure in the buffer tank 120 is detected by the pressure sensor 121, and when the buffer tank 120 reaches the preset air pressure, the flushing assembly 300 is closed, and then the third control valve 136 is opened, so that the nitrogen in the buffer tank 120 can drive the sample to flush back into the reaction kettle 400 through the third pipeline 135, and the above steps are repeated until the worker observes that the third pipeline 135 is cleaned through the sight glass 137, and the recovery of the sample is completed.
[0048] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A safe sampling system, characterized by, The sampling assembly comprises a sampling tank and a buffer tank, the sampling tank is communicated with a reaction kettle through a first pipeline, the first pipeline is connected with a first control valve, the first control valve is used for opening or closing the first pipeline, the sampling tank is detachably connected with a sampling bottle, the sampling bottle is used for collecting a sample, the sampling tank is communicated with the buffer tank through a second pipeline, the second pipeline is connected with a second control valve, the second control valve is used for opening or closing the second pipeline, the buffer tank is communicated with the reaction kettle through a third pipeline, the third pipeline is connected with a third control valve, the third control valve is used for opening or closing the third pipeline. The absorption assembly comprises a vacuum pump and a cooling component, the sampling tank, the vacuum pump and the cooling component are communicated in sequence, the vacuum pump is used for pumping gas from the sampling tank to the cooling component, and the cooling component is used for condensing waste gas. The flushing assembly is used for outputting nitrogen to the buffer tank, so that the sample is flushed from the buffer tank into the reaction kettle. The third pipeline is provided with a sight glass, and the sight glass is used for observing the third pipeline.
2. The safe sampling system of claim 1, wherein, The absorption assembly further comprises a plurality of activated carbon tanks, and the activated carbon tanks are communicated with the cooling component, and the activated carbon tanks are used for absorbing the waste gas.
3. The safe sampling system of claim 1, wherein, The activated carbon tank is provided with a disperser and a gas collector, the disperser is arranged at the input end of the activated carbon tank, the gas collector is arranged at the output end of the activated carbon tank, the disperser is used for dispersing the waste gas, and the gas collector is used for collecting the waste gas.
4. The safe sampling system of claim 3, wherein, The activated carbon tank is provided with a heat preservation layer, and the heat preservation layer is wrapped on the outer wall of the activated carbon tank.
5. The safe sampling system of claim 3, wherein, The sampling tank is provided with a tray, the tray is clamped on the inner wall of the sampling tank, the tray is provided with a plurality of through holes, the through holes are arranged at intervals, and the sampling bottle is clamped in the through hole.
6. The safe sampling system of claim 1, wherein, A filter is arranged between the sampling tank and the vacuum pump, and the filter is used for filtering the waste gas.
7. The safe sampling system of claim 1, wherein, The buffer tank is further provided with a pressure sensor, and the pressure sensor is used for detecting the air pressure in the buffer tank.
8. The safe sampling system of claim 1, wherein,