CN106840956B - Cold and hot double-cavity evaporation residue tester - Google Patents
Cold and hot double-cavity evaporation residue tester Download PDFInfo
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- CN106840956B CN106840956B CN201710207654.5A CN201710207654A CN106840956B CN 106840956 B CN106840956 B CN 106840956B CN 201710207654 A CN201710207654 A CN 201710207654A CN 106840956 B CN106840956 B CN 106840956B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
The invention discloses a cold and hot double-cavity evaporation residue tester, which comprises a heating evaporation system and a cooling measurement system, wherein the heating evaporation system comprises a heating evaporation cavity and a vertical movement mechanism, the cooling measurement system comprises a cooling measurement cavity and a rotating mechanism, a heat insulation door is arranged between the heating evaporation cavity and the cooling measurement cavity, a thermal circulation loop, a turntable, a first horizontal movement mechanism and a water tray are arranged in the heating evaporation cavity, and a cooling circulation loop, a residue detection device and a second horizontal movement mechanism are arranged in the cooling measurement cavity: the heating evaporation cavity and the cooling measurement cavity are independent cavities, which is beneficial to instrument maintenance; the evaporation efficiency is high, and the nitrogen can protect residues in a high-temperature environment; the temperature of the residue can be quickly reduced, and the measurement can be performed as soon as possible; the waste gas is recovered, so that leakage is avoided; the evaporation pan is not required to be taken outside for feeding; simultaneously, a plurality of samples are measured, so that the efficiency is improved; the heating evaporation and the cooling measurement are fully automatic, personal errors are reduced, and the precision is high.
Description
Technical Field
The invention relates to the technical field of evaporation residue measuring equipment, in particular to the technical field of independent cold and hot double-cavity automatic evaporation and measuring equipment.
Background
General methods for measuring the residue of vaporized chemical reagents of GB/T9740-2008, the vaporization measuring instrument and the detection flow used in the detection process of the residue of vaporized chemical reagent are described in the standard. The experiment has the advantages of more instruments, higher required precision, complex test process and large error easily caused by manual operation.
The existing detector adopts an open evaporation mode, the evaporation process is manually fed, the process is complex, human errors are easily caused, and the evaporation process also needs to be manually monitored; no tail gas is collected, the solvent volatilizes in the air and can explode when the solvent encounters electric spark, potential safety hazards are easily generated, and leaked gas is sucked into a human body to be harmful to the health. The number of the test samples is relatively small, only 1-3 solution samples can be tested at one time, and the test efficiency is low; the heating evaporation mode is single, and the heating efficiency is limited; the heating evaporation and the measurement are in the same space, so that the instrument is easy to damage, and the measurement accuracy is affected.
Disclosure of Invention
The invention aims to provide a cold and hot double-cavity evaporation residue tester, which solves the problems of insufficient measuring precision, low efficiency and low safety coefficient of the instrument in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the cold and hot double-cavity evaporation residue tester comprises a heating evaporation system and a cooling measurement system, wherein the heating evaporation system comprises a heating evaporation cavity and a vertical movement mechanism positioned below the heating evaporation cavity, the cooling measurement system comprises a cooling measurement cavity and a rotation mechanism positioned below the cooling measurement cavity,
a heat insulation door is arranged between the heating evaporation cavity and the cooling measurement cavity,
a thermal circulation loop, an evaporation dish, a charging system and a first horizontal moving mechanism are arranged in the heating evaporation cavity,
and a cooling circulation loop, a residue detection device and a second horizontal movement mechanism are arranged in the cooling measurement cavity.
Further, still be equipped with the carousel backup pad in the heating evaporation chamber, carousel backup pad frame in on the first horizontal migration mechanism, there is the carousel in the carousel backup pad, a plurality of storage hole has been seted up on the carousel, the evaporation dish is placed on the storage hole, carousel backup pad below is equipped with the water tray, open on the water tray have a plurality of with the water bath hole that the storage hole corresponds is equipped with the adapter sleeve on the water bath hole, in order to dock the evaporation dish, water tray bottom is equipped with inlet tube and drain pipe, be provided with water level sensor and temperature sensor in the water tray.
Further, the first horizontal movement mechanism comprises a first horizontal guide bar arranged on the side wall of the heating evaporation cavity and a plurality of first conveying wheels, sliding wheels matched with the first horizontal guide bar are arranged on two sides of the turntable support plate, conveying bars matched with the first conveying wheels are arranged at the bottom of the turntable support plate, and the first conveying wheels are driven by a first motor;
the second horizontal movement mechanism comprises a second horizontal guide bar arranged on the side wall of the cooling measurement cavity, a plurality of second conveying wheels, the turntable support plate is supported on the second horizontal guide bar when entering the cooling measurement cavity from the heating evaporation cavity through the heat insulation door, the second conveying wheels are driven by the first motor,
the first conveying wheel and the second conveying wheel can be in the structural form of a driving wheel and a gear, and the conveying strip can be in the structural form of a conveying belt and a rack. When the first conveying wheel and the second conveying wheel are driving wheels, the conveying strip is a conveying belt; when the first and second transfer wheels are gears, the transfer bar is a rack.
The heating evaporation cavity and the cooling measurement cavity are both provided with a nitrogen inlet and an air flow regulating device, nitrogen is supplied to enter the cavity, the heating evaporation cavity and the cooling measurement cavity are both connected with a tail gas recovery device through air pipes, and the tail gas recovery device comprises a compressed gas evacuating device and a tail gas liquefying device.
Further, the thermal cycle return circuit is located heating evaporation chamber top, including first high temperature resistant motor, first high temperature resistant blade, be connected with first wind scooper under the first high temperature resistant blade, the heating piece is installed to the heating evaporation chamber, heating evaporation chamber upper portion is connected with first gas vent, first wind scooper lower part is connected with first baffle to make steam push down, still be equipped with first temperature sensor and a temperature regulating device in the heating evaporation chamber, first gas vent is connected tail gas recovery unit.
Further, the vertical movement mechanism comprises a first bearing plate, a water tray push plate guide rod and a plurality of first lead screws are arranged on the first bearing plate, the upper ends of the water tray push plate guide rod and the first lead screws are all connected to a heating evaporation cavity supporting plate at the bottom of the heating evaporation cavity, a first lead screw driving wheel connected with the first lead screws is arranged below the first bearing plate, a water tray push plate is sleeved on the water tray push plate guide rod and the first lead screws, a plurality of water tray push rods are arranged on the water tray push plate, the water tray push rods are connected with the water tray supporting plate, a second motor is arranged beside the first bearing plate, and is connected with a second motor driving pulley which drives the first lead screws to rotate through a second motor driving pulley and the first lead screw driving wheel.
Further, the charging system is characterized in that a charging barrel and a feeding pipe are correspondingly arranged above the evaporation pan, the charging barrel is located above the heating evaporation cavity, the charging barrel extends to the inside of the heating evaporation cavity to charge the evaporation pan, and a valve is further arranged on the charging pipe.
Further, a channel is arranged between the heating evaporation cavity and the cooling measurement cavity, the heat insulation doors are positioned at two ends of the channel, the heat insulation doors are connected with air cylinders through connecting plates, and the air cylinders push and pull the connecting plates to control the heat insulation doors to open or close.
Further, the cooling circulation loop is located the cooling measurement chamber top, including second high temperature resistant motor, second high temperature resistant blade, be connected with the second wind scooper under the second high temperature resistant blade, the cooling measurement intracavity is installed the refrigerating module, cooling measurement chamber upper portion is connected with the second gas vent, and the second gas vent is connected tail gas recovery unit, second wind scooper lower part is connected with the second baffle to make the cold air push down, still be equipped with second temperature sensor, second temperature adjusting device, humidity transducer in the cooling measurement chamber.
Further, the residue detection device comprises a balance mounting plate, a weighing balance, a balance tray, a balance cover plate and a balance horizontal adjusting block arranged on the balance mounting plate, wherein the weighing balance is arranged on the balance mounting plate, the balance cover plate is arranged on the weighing balance, the balance tray penetrates through the balance cover plate, and the balance horizontal adjusting block is exposed out of the cooling measurement cavity.
Further, the rotating mechanism comprises a second bearing plate, a second screw rod is arranged on the second bearing plate, a second screw rod driving wheel matched with the second screw rod is arranged below the second bearing plate, a mounting plate is sleeved on the second screw rod, a third motor driving wheel, a rotating shaft and a synchronous rotating belt wheel are arranged on the mounting plate, an angle sensor and an index plate are arranged on the rotating shaft, the third motor drives the rotating shaft to rotate through the third motor driving wheel and the synchronous rotating belt wheel, the top end of the rotating shaft extends into the cooling measuring cavity, a rotating gear is arranged at the top end of the rotating shaft and is matched with the rotating disc supporting plate,
a fourth motor and a fourth motor driving wheel are arranged beside the second bearing plate, and the fourth motor drives the second screw rod to rotate through the fourth motor driving wheel and the second screw rod driving wheel.
The invention has the advantages that: 1. the heating evaporation cavity and the cooling measurement cavity are independent cavities, so that the heating evaporation system and the cooling measurement system can be separated, and instrument maintenance is facilitated;
2. the evaporation heating cavity is internally provided with a thermal circulation loop, and the water-bath heating mode of the water tray is combined with the heating mode, so that the evaporation efficiency is high, and the nitrogen in the closed cavity can protect residues in a high-temperature environment;
3. the cooling measurement cavity is internally provided with a cooling circulation loop, so that the temperature of the residue can be quickly reduced, the measurement can be performed as soon as possible, and the nitrogen in the closed cavity can protect the residue and the instrument in a low-temperature environment;
4. the feeding system is arranged, so that the evaporation pan is not required to be taken out for feeding;
5. a plurality of evaporating dishes are arranged on the turntable, so that a plurality of samples can be measured at the same time, and the efficiency is improved;
6. the system is provided with a first temperature sensor, a second temperature sensor and a water temperature sensor, can control the heating temperature and the cooling temperature, and automatically judges or stops if abnormality exists;
7. the heating evaporation and the cooling measurement are fully automatic, personal errors are reduced, and the precision is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate and do not limit the invention, and together with the description serve to explain the principle of the invention:
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic side sectional structure of a heating evaporation chamber;
fig. 3 is a schematic diagram of a turntable structure.
Heating evaporation chamber 1, cooling measurement chamber 2, channel 3, heat insulating door 301, cylinder 304, first high temperature resistant motor 103, first high temperature resistant blade 104, first exhaust port 105, first air guide cap 106, heating block 107, first partition 108, evaporating dish 109, turntable 110, storage hole 110-1, turntable support plates 111, 112, connection sleeve 113, water tray 114, water tray support plate 115, heating evaporation chamber support plate 116, water tray push rod 119, water tray push plate 121, first lead screw 122, first bearing plate 123, first lead screw drive wheel 124, second motor 125, second motor drive wheel 126, chamber switch door 127, water tray push plate guide rod 128, water inlet pipe 131, water outlet pipe 132, the device comprises a charging barrel 133, a valve 134, a charging pipe 135, a refrigerating module 201, a second high-temperature-resistant motor 202, a second high-temperature-resistant blade 203, a second exhaust port 204, a second air guide cover 207, a second partition 208, a second horizontal guide strip 209, a balance tray 210, a weighing balance 211, a balance mounting plate 212, a balance horizontal adjusting block 213, a balance cover plate 215, a rotating gear 216, a rotating shaft 217, an index plate 221, a fourth motor 222, a fourth motor driving wheel 223, a synchronous rotating belt wheel 224, a second lead screw driving wheel 225, a second lead screw 226, a mounting plate 227, a second bearing plate 228, a third motor 229, a third motor driving wheel 230 and a first motor 231.
Detailed Description
The present invention will now be described in detail with reference to the drawings and the specific embodiments thereof, which are illustrative embodiments and illustrations of the invention, but are not to be construed as limiting the invention.
As shown in fig. 1-3, the cold and hot dual-cavity evaporation residue determinator comprises a heating evaporation system and a cooling measurement system, wherein the heating evaporation system comprises a heating evaporation cavity and a vertical movement mechanism positioned below the heating evaporation cavity, the cooling measurement system comprises a cooling measurement cavity and a rotation mechanism positioned below the cooling measurement cavity,
a heat insulation door 301 is arranged between the heating evaporation cavity and the cooling measurement cavity,
a thermal circulation loop, an evaporation dish 109, a feeding system and a first horizontal moving mechanism are arranged in the heating evaporation cavity,
and a cooling circulation loop, a residue detection device and a second horizontal movement mechanism are arranged in the cooling measurement cavity.
Still be equipped with carousel backup pad 111 in the heating evaporation chamber, carousel backup pad 111 frame in on the first horizontal movement mechanism, carousel 110 has on the carousel backup pad 111, 8 storage hole 110-1 have been seted up on the carousel 110, evaporation dish 109 is placed on the storage hole 110-1, carousel backup pad 111 below is equipped with water tray 114, has on the water tray 114 and has the water bath hole that corresponds with storage hole 110-1, is equipped with adapter sleeve 113 on the water bath hole for the butt joint evaporation dish 109, water tray 114 bottom is equipped with inlet tube 131 and drain pipe 132, be provided with water level sensor and water temperature sensor in the water tray 114, the water heating in the water tray is regulated and control by the system.
The first horizontal movement mechanism comprises a first horizontal guide bar arranged on the side wall of the heating evaporation cavity, a plurality of first conveying wheels 136, sliding wheels matched with the first horizontal guide bar are arranged on two sides of the turntable support plate 111, a conveying bar 112 matched with the first conveying wheels 136 is arranged at the bottom of the turntable support plate 111, and the first conveying wheels 136 are driven by a first motor 231;
the second horizontal movement mechanism comprises a second horizontal guide bar arranged on the side wall of the cooling measurement cavity, a plurality of second conveying wheels, the turntable support plate 111 is arranged on the second horizontal guide bar 209 when entering the cooling measurement cavity from the heating evaporation cavity through the heat insulation door 301, the second conveying wheels are driven by the first motor 231,
the first and second transfer wheels 136, 112 may be in the form of a drive wheel, gear, and the transfer bar 112 may be in the form of a belt, rack. When the first transfer wheel 136 and the second transfer wheel are driving wheels, the transfer bar 112 is a conveyor belt; when the first transfer wheel 136 and the second transfer wheel are gears, the transfer bar 112 is a rack.
The heating evaporation cavity and the cooling measurement cavity are both provided with a nitrogen inlet and an air flow regulating device, nitrogen is supplied to enter the cavity, the heating evaporation cavity and the cooling measurement cavity are both connected with a tail gas recovery device through air pipes, and the tail gas recovery device comprises a compressed gas evacuating device and a tail gas liquefying device.
The heat circulation loop is located at the top of the heating evaporation cavity and comprises a first high-temperature-resistant motor 103 and a first high-temperature-resistant blade 104, a first air guide cover 106 is connected under the first high-temperature-resistant blade 104, a heating block 107 is installed in the heating evaporation cavity 1, a first air outlet 105 is connected to the upper portion of the heating evaporation cavity 1, a first partition plate 108 is connected to the lower portion of the first air guide cover 106 so that hot air is pushed downwards, a first temperature sensor and a first temperature adjusting device are further arranged in the heating evaporation cavity, and the first air outlet 105 is connected with a tail gas recovery device.
The vertical movement mechanism comprises a first bearing plate 123, a water tray push plate guide rod 128 and a plurality of first screw rods 122 are arranged on the first bearing plate 123, the upper ends of the water tray push plate guide rod 128 and the first screw rods 122 are connected to a heating evaporation cavity supporting plate 116 at the bottom of a heating evaporation cavity, a first screw rod driving wheel 124 connected with the first screw rods 122 is arranged below the first bearing plate 123, a water tray push plate 121 is sleeved on the water tray push plate guide rod 128 and the first screw rods 122, a plurality of water tray push rods 119 are arranged on the water tray push plate 121, the water tray push rods 119 are connected with the water tray supporting plate 115, a second motor 125 is arranged beside the first bearing plate 123, the second motor 125 is connected with a second motor driving wheel 126, and the second motor 125 drives the first screw rods 122 to rotate through the second motor driving wheel 126 and the first screw rod driving wheel 124.
The feeding system is characterized in that a feeding barrel 133 and a feeding pipe 135 are correspondingly arranged above the evaporation pan 109, the feeding barrel is arranged above the heating evaporation cavity, the feeding barrel extends to the inside of the heating evaporation cavity to feed the evaporation pan 109, and a valve 134 is further arranged on the feeding pipe.
A channel 3 is arranged between the heating evaporation cavity and the cooling measurement cavity, the heat insulation doors 301 are positioned at two ends of the channel 3, the heat insulation doors 301 are connected with air cylinders 304 through connecting plates 302, and the air cylinders 304 push and pull the connecting plates 302 to control the heat insulation doors 301 to open or close.
The cooling circulation loop is located the cooling measurement chamber top, including second high temperature resistant motor 202, second high temperature resistant blade 203, be connected with second wind scooper 207 under the second high temperature resistant blade 203, install refrigerating module 201 in the cooling measurement chamber 2, cooling measurement chamber 2 upper portion is connected with second gas vent 204, and second gas vent 204 connects tail gas recovery unit, second wind scooper 207 lower part is connected with second baffle 208 to make the air conditioning push down, still be equipped with second temperature sensor, second temperature adjusting device, humidity transducer in the cooling measurement chamber.
The residue detection device comprises a balance mounting plate 212, a weighing balance 211, a balance tray 210, a balance cover plate 215 and a balance level adjusting block 213 arranged on the balance mounting plate 212, wherein the weighing balance 211 is arranged on the balance mounting plate 212, the balance cover plate 215 is arranged on the weighing balance 211, the balance tray 210 penetrates through the balance cover plate 215, and the balance level adjusting block 213 is exposed out of the cooling measurement cavity.
The rotating mechanism comprises a second bearing plate 228, a second screw rod 226 is arranged on the second bearing plate 228, a second screw rod driving wheel 225 matched with the second screw rod 226 is arranged below the second bearing plate 228, a mounting plate 227 is sleeved on the second screw rod 226, a third motor 229, a third motor driving wheel 230, a rotating shaft 217 and a synchronous rotating belt wheel 224 are arranged on the mounting plate 227, an angle sensor and an index plate 221 are arranged on the rotating shaft 217, the third motor 229 drives the rotating shaft 217 to rotate through the third motor driving wheel 230 and the synchronous rotating belt wheel 224, the top end of the rotating shaft 217 extends into a cooling measuring cavity, a rotating gear 216 is arranged at the top end of the rotating shaft 217, the rotating gear 216 is matched with the turntable supporting plate 111,
a fourth motor 222 and a fourth motor driving wheel 223 are arranged beside the second bearing plate 228, and the fourth motor 222 drives the second screw rod 226 to rotate through the fourth motor driving wheel 223 and the second screw rod driving wheel 225.
As for the necessary conventional components such as the chamber opening and closing door 127, the supporting plate, the supporting frame or the supporting column, those skilled in the art can understand and design the components according to the present specification, and the details are not repeated here.
The working condition of the invention is as follows:
soaking the sample in a specific solution before the experiment; the evaporating dish 109 is cleaned and evaporated to dryness and is placed in a storage hole 110-1 in the heating evaporating cavity 1, a second motor 125 drives the first screw rod 122 to rotate through a second motor driving belt wheel 126 and a first screw rod driving wheel 124, a water tray 114 rises, and the evaporating dish 109 is sleeved in a connecting sleeve 113; nitrogen enters from a nitrogen gas inlet, the heating block 107 rapidly generates heat energy, the first high temperature resistant motor 103 drives the first high temperature resistant blade 104 to blow the hot nitrogen downwards along the first wind scooper 106, the first partition plate 108 and the first exhaust port 105 are combined into a thermal circulation loop, so that the temperature in the heating evaporation cavity 1 rapidly rises and the heat in each part of the cavity is uniform; the evaporating dish 109 is dried under double heating of water bath and hot air; after the set time of the system is reached, the second motor 125 acts to lower the water tray 114, the evaporation pan 109 is separated from the connecting sleeve 113, water bath and hot air heating are stopped, the air cylinder 304 pulls the heat insulation door 301, meanwhile, the first motor 231 drives the first conveying wheel 136 and the second conveying wheel, the sliding wheel of the turntable support plate 111 slides on the first horizontal guide bar due to the interaction of the conveying bar 112 and the first conveying wheel 136, the turntable support plate 111 moves towards the cooling measurement cavity 2, the turntable support plate 111 moves onto the second horizontal guide bar, the turntable support plate 111 moves to a designated position on the second horizontal guide bar 209 due to the action of the second conveying wheel and the conveying bar 112, the air cylinder 304 drives the heat insulation door 301 to reset, nitrogen enters the cooling measurement cavity 2 from the nitrogen air inlet, the refrigeration module 201 is rapidly refrigerated, the second high temperature resistant motor 202 drives the second high temperature resistant blade 203 to blow cold air downwards, and the second air guide cover 207, the second partition plate 208 and the second air outlet 204 are combined into a cooling circulation loop to cool the evaporation pan 109 to room temperature; the fourth motor 222 drives the second screw rod 226 to rotate through the fourth motor driving wheel 223 and the second screw rod driving wheel 225, so that the mounting plate 227, the third motor 229 and the rotating shaft 217 ascend, the rotating gear 216 on the rotating shaft 217 is matched with the turntable supporting plate 111 and then continues to ascend to a limited position, the third motor 229 drives the third motor driving wheel 230 under the action of the angle sensor, and the rotating shaft 217 rotates according to the set angle of the system by the synchronous rotating belt wheel 224, the evaporating dishes 109 can be measured on the balance tray 210 one by one, and the system records data; after the measurement is completed, the second screw rod 226 rotates, the rotating shaft 217 descends, the turntable support plate 111 falls on the second horizontal guide bar 209 again, the first motor 231 drives the second conveying wheel to rotate, the air cylinder 304 drives the heat insulation door 301 to open, the turntable support plate 111 moves towards the heating evaporation cavity 1, the heating drying-cooling measurement is carried out again according to the working process until the evaporation dishes 109 reach constant weight, and the system records the quality data of each empty evaporation dish 109; then the system automatically adds a certain amount of sample liquid in the feeding barrel 133 into the evaporation dish 109, then evaporates to dryness, then adds and evaporates to dryness again, and the process is repeated until the liquid in the sample tank is added; after evaporation, the residue in the evaporation pan 109 was dried and then weighed according to the heating evaporation-cooling measurement procedure described above; then drying and weighing again, and repeating until the weight is constant; the mass minus the mass of the corresponding empty evaporation pan 109 is the mass of the evaporation residue.
In the working process of the cold and hot double-cavity evaporation residue tester, the waste gas from the first exhaust port 105 and the second exhaust port 204 is treated by a tail gas recovery device, so that the environment is not polluted, the solvent is not volatilized in the air and can be exploded if the solvent is subjected to spark, and potential safety hazards are easily generated.
By independently isolating the two procedures of heating evaporation and cooling measurement, the evaporation pan 109 automatically transmits and returns to the two cavities for different procedures, and the high-efficiency, rapid and accurate detection of the residue quantity is realized. The whole detection process is fully automatic, manual participation is not needed, the structure is simple, the operation is convenient, the error is small, the obtained data is accurate, the required cost is low, and no potential safety hazard exists.
The foregoing has described in detail the technical solutions provided by the embodiments of the present invention, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present invention, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present invention; meanwhile, as for those skilled in the art, according to the embodiments of the present invention, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present invention.
Claims (5)
1. Cold and hot double-chamber evaporation residue tester, its characterized in that:
comprises a heating evaporation system and a cooling measurement system, wherein the heating evaporation system comprises a heating evaporation cavity and a vertical movement mechanism positioned below the heating evaporation cavity, the cooling measurement system comprises a cooling measurement cavity and a rotation mechanism positioned below the cooling measurement cavity,
a heat insulation door is arranged between the heating evaporation cavity and the cooling measurement cavity, a channel is arranged between the heating evaporation cavity and the cooling measurement cavity, the heat insulation door is positioned at two ends of the channel, the heat insulation door is connected with a cylinder through a connecting plate, and the connecting plate is pushed and pulled by the cylinder to control the heat insulation door to be opened or closed;
a thermal circulation loop, an evaporation dish, a charging system and a first horizontal moving mechanism are arranged in the heating evaporation cavity,
a cooling circulation loop, a residue detection device and a second horizontal movement mechanism are arranged in the cooling measurement cavity;
the heating evaporation cavity is internally provided with a turntable support plate, the turntable support plate is arranged on the first horizontal movement mechanism, a turntable is arranged on the turntable support plate, a plurality of storage holes are formed in the turntable, the evaporation dish is placed on the storage holes, a water tray is arranged below the turntable support plate, a plurality of water bath holes corresponding to the storage holes are formed in the water tray, a connecting sleeve is arranged on the water bath holes so as to butt-joint the evaporation dish, a water inlet pipe and a water outlet pipe are arranged at the bottom of the water tray, and a water level sensor and a water temperature sensor are arranged in the water tray; the first horizontal moving mechanism comprises a first horizontal guide bar arranged on the side wall of the heating evaporation cavity, a plurality of first conveying wheels, sliding wheels matched with the first horizontal guide bar are arranged on two sides of the turntable support plate, conveying bars matched with the first conveying wheels are arranged at the bottom of the turntable support plate, and the first conveying wheels are driven by a first motor;
the second horizontal moving mechanism comprises a second horizontal guide bar arranged on the side wall of the cooling measuring cavity, a plurality of second conveying wheels, the turntable support plate is supported on the second horizontal guide bar when entering the cooling measuring cavity from the heating evaporation cavity through the heat insulation door, the second conveying wheels are driven by the first motor,
the heating evaporation cavity and the cooling measurement cavity are both provided with a nitrogen inlet and an air flow regulating device for allowing nitrogen to enter the cavity, and are both connected with a tail gas recovery device through an air pipe, and the tail gas recovery device comprises a compressed gas evacuating device and a tail gas liquefying device;
the vertical movement mechanism comprises a first bearing plate, a water tray push plate guide rod and a plurality of first screw rods are arranged on the first bearing plate, the upper ends of the water tray push plate guide rod and the first screw rods are connected to a heating evaporation cavity supporting plate at the bottom of a heating evaporation cavity, a first screw rod driving wheel connected with the first screw rods is arranged below the first bearing plate, a water tray push plate is sleeved on the water tray push plate guide rod and the first screw rods, a plurality of water tray push rods are arranged on the water tray push plate, the water tray push rods are connected with the water tray supporting plate, a second motor is arranged beside the first bearing plate, and is connected with a second motor driving pulley, and the second motor drives the first screw rods to rotate through the second motor driving pulley and the first screw rod driving wheel;
the rotating mechanism comprises a second bearing plate, a second screw rod is arranged on the second bearing plate, a second screw rod driving wheel matched with the second screw rod is arranged below the second bearing plate, a mounting plate is sleeved on the second screw rod, a third motor driving wheel, a rotating shaft and a synchronous rotating belt wheel are arranged on the mounting plate, an angle sensor and an index plate are arranged on the rotating shaft, the third motor drives the rotating shaft to rotate through the third motor driving wheel and the synchronous rotating belt wheel, the top end of the rotating shaft extends into the cooling measuring cavity, a rotating gear is arranged at the top end of the rotating shaft and is matched with the rotating disc supporting plate,
a fourth motor and a fourth motor driving wheel are arranged beside the second bearing plate, and the fourth motor drives the second screw rod to rotate through the fourth motor driving wheel and the second screw rod driving wheel.
2. The dual chamber evaporation residue meter according to claim 1, wherein:
the heat circulation loop is located at the top of the heating evaporation cavity and comprises a first high-temperature-resistant motor and a first high-temperature-resistant blade, a first air guide cover is connected under the first high-temperature-resistant blade, a heating block is installed in the heating evaporation cavity, a first air outlet is connected to the upper portion of the heating evaporation cavity, a first partition plate is connected to the lower portion of the first air guide cover so that hot air is pushed downwards, a first temperature sensor and a temperature regulating device are further arranged in the heating evaporation cavity, and the first air outlet is connected with the tail gas recovery device.
3. A dual chamber evaporation residue detector according to any one of claims 1-2, wherein:
the feeding system is characterized in that a feeding cylinder and a feeding pipe are correspondingly arranged above the evaporation pan, the feeding cylinder is located above the heating evaporation cavity, the feeding cylinder extends to the inside of the heating evaporation cavity to feed the evaporation pan, and a valve is further arranged on the feeding pipe.
4. The dual chamber evaporation residue meter according to claim 1, wherein:
the cooling circulation loop is located the cooling measurement chamber top, including second high temperature resistant motor, second high temperature resistant blade, be connected with the second wind scooper under the second high temperature resistant blade, the cooling measurement intracavity is installed the refrigerating module, cooling measurement chamber upper portion is connected with the second gas vent, and the second gas vent is connected tail gas recovery unit, second wind scooper lower part is connected with the second baffle to make the air conditioning push down, still be equipped with second temperature sensor, second temperature adjusting device, humidity transducer in the cooling measurement chamber.
5. The dual chamber evaporation residue detector according to claim 4, wherein:
the residue detection device comprises a balance mounting plate, a weighing balance, a balance tray, a balance cover plate and a balance horizontal adjusting block arranged on the balance mounting plate, wherein the weighing balance is arranged on the balance mounting plate, the balance cover plate is arranged on the weighing balance, the balance tray penetrates through the balance cover plate, and the balance horizontal adjusting block is exposed out of the cooling capacity cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207654.5A CN106840956B (en) | 2017-03-31 | 2017-03-31 | Cold and hot double-cavity evaporation residue tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207654.5A CN106840956B (en) | 2017-03-31 | 2017-03-31 | Cold and hot double-cavity evaporation residue tester |
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| Publication Number | Publication Date |
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| CN106840956A CN106840956A (en) | 2017-06-13 |
| CN106840956B true CN106840956B (en) | 2023-07-21 |
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| CN201710207654.5A Active CN106840956B (en) | 2017-03-31 | 2017-03-31 | Cold and hot double-cavity evaporation residue tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109470590B (en) * | 2017-09-07 | 2024-03-12 | 中冶长天国际工程有限责任公司 | Online moisture detection device and method for materials |
| CN107907443A (en) * | 2017-12-30 | 2018-04-13 | 广州标际包装设备有限公司 | A kind of full-automatic evaporation residue/migration system for measuring quantity |
| CN108982284B (en) * | 2018-07-25 | 2021-01-12 | 陕西彬长大佛寺矿业有限公司 | Coal quality detection device convenient to coal mining uses |
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