CN219502153U - Inorganic sulfur filters auxiliary device in coal - Google Patents

Abstract

The utility model belongs to the technical field of auxiliary equipment for coal sample detection experiments, and particularly relates to an auxiliary device for inorganic sulfur filtration in coal, which comprises a filtration frame and an appliance cabinet which are integrally arranged, wherein at least one filtration auxiliary mechanism for performing sulfur filtration operation on various coal samples is arranged on the filtration frame, a water supply device for providing distilled water for filtration is arranged at the top of the appliance cabinet, a water collecting tank for receiving waste filtrate and overflow water of the water supply device during filtration of the filtration auxiliary mechanism is arranged below the filtration frame, and a space capable of placing a funnel and a beaker is arranged in the appliance cabinet. By arranging the water collecting tank below the filtering frame, the waste filtrate and the overflow water of the water supply device during filtering by the filtering auxiliary mechanism can be uniformly received, the occupation of a beaker can be reduced, the transfer time of the waste filtrate is shortened, and the whole filtering work is more efficient; and the distilled water is provided by arranging the independent water supply device on the appliance cabinet, so that the distilled water is more convenient to take during filtration.

Description

Inorganic sulfur filters auxiliary device in coal

Technical Field

The utility model belongs to the technical field of auxiliary equipment for coal sample detection experiments, and particularly relates to an auxiliary device for filtering inorganic sulfur in coal.

Background

The inorganic sulfur in the coal contains sulfate sulfur and pyrite sulfur, wherein the sulfate sulfur is dissolved in hydrochloric acid and nitric acid, and the pyrite sulfur is dissolved in nitric acid and not dissolved in sulfuric acid, so when the content of the inorganic sulfur in the coal is detected, the hydrochloric acid and the nitric acid are needed to be respectively added in sequence for carrying out the reaction and separation of the sulfur, and the specific flow is as follows: firstly adding hydrochloric acid to react and dissolve sulfate sulfur in a coal sample, filtering and separating for the first time to obtain a solid containing pyrite sulfur and a cup of sulfate sulfur solution, adding nitric acid into the separated pyrite sulfur solid to react continuously, and filtering and separating for the second time to obtain a cup of pyrite sulfur solution; adding methyl orange, ammonia water and hydrochloric acid into the sulfate sulfur solution obtained by the first separation to adjust the pH value to weak acid, adding barium chloride, heating to react and precipitate, and continuing to perform the third filtration and separation to obtain a barium sulfate precipitate; and carrying out subsequent experiments and detection on the pyrite sulfur solution and the barium sulfate precipitate obtained by filtering, and finally obtaining the inorganic sulfur content in the coal. The filtering operation is not only aimed at a single sample, but also needs to synchronously perform sulfur filtering operations of multiple coal samples in batches, so that the operation is often assisted by a filtering frame, but in the operation process, the liquid filtered for the third time is not required to be collected and further detected, the traditional filtering frame cannot directly drain the liquid filtered for the third time, and a beaker is required to be used for collecting the liquid filtered for the third time and then draining the liquid, so that a large amount of beakers are occupied, and a large amount of time is wasted for transferring the liquid; in addition, when the sulfur filtering operation is performed, in order to avoid the influence of the residual substances on the detection accuracy, the inside of the filtering beaker is required to be washed by distilled water, but the existing filtering frame does not have a separate distilled water source, and the distilled water is very inconvenient. Therefore, there is a great need for improvements and optimizations to existing filter frames.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides an auxiliary device for filtering inorganic sulfur in coal, which aims at solving the problems that the existing filter frame can occupy a large amount of beakers and waste a large amount of time for transferring part of liquid when the waste solution is discharged, and the taking is inconvenient when distilled water is needed.

In order to achieve the above purpose, the following technical scheme is adopted:

inorganic sulfur filters auxiliary device in coal, including integrative filtration frame and the utensil cabinet that sets up, be provided with at least one on the filtration frame and be used for carrying out the filtration auxiliary mechanism of sulphur filtration operation to multiple coal sample, utensil cabinet top is equipped with and is used for providing the water supply ware of filtration with distilled water, filtration frame below is equipped with and is used for receiving waste filtrate when filtering auxiliary mechanism filters with the header tank of the outer overflow of water supply ware, be equipped with the space that can place funnel and beaker in the utensil cabinet, funnel and beaker can be deposited in the utensil cabinet or arrange in filter auxiliary mechanism carries out sulphur filtration operation.

Further, the filtering auxiliary mechanism comprises a bearing plate and a funnel plate, wherein the bearing plate and the funnel plate are fixed on the filtering frame, a liquid collecting drawer capable of moving back and forth is arranged on the bearing plate, a plurality of funnel holes are formed in the funnel plate from left to right at equal intervals, a funnel can be placed in the funnel holes, and filter paper for filtering is arranged in the funnel; the beaker can be placed in the liquid collection drawer from left to right at equal distance, and pushed to the position below a funnel placed in the funnel hole to receive filtrate required to be reacted and filtered continuously.

Further, a drain hole for discharging the waste filtrate which does not need to continue reaction and filtration is formed in the rear portion of the liquid collecting drawer, and the drain hole is connected with a drain pipe for discharging the waste filtrate to the water collecting tank.

Further, the auxiliary filtering mechanism further comprises a beaker holder, beaker holes which are arranged at equal distances from left to right and are in one-to-one correspondence with the funnel holes and used for placing beakers are formed in the beaker holder, two ends of the front portion of the beaker holder are rotatably connected to the filtering holder through rotating shafts, a rotating handle is fixedly connected to the rotating shaft, which is far away from one end of the appliance cabinet, the rotating handle can control the beaker holder to rotate to pour reactants in the beakers into the funnel, and a positioning block used for preventing the rotating handle from rotating backwards is arranged on the filtering holder.

Further, a crucible hole for placing the crucible is arranged beside each funnel hole on the funnel plate.

Further, at least two storage spaces for placing the funnel and the beaker are arranged in the appliance cabinet.

Further, the water supply device comprises a conical flask for storing distilled water and a heating furnace for heating the distilled water in the conical flask, a bottle mouth of the conical flask is connected with a distilled water source through a water receiving valve and a water receiving pipe, a water drain valve for draining distilled water is arranged on one side of the bottom of the conical flask, and a flushing water pipe for flushing the beaker during filtering is connected with the water drain valve.

Further, the upper part of the conical flask is connected with an overflow water pipe for preventing distilled water from overflowing from the bottle mouth, and the tail end of the overflow water pipe is arranged in the water collecting tank.

Compared with the prior art, the utility model has the beneficial effects that: when the auxiliary operation is carried out in the inorganic sulfur filtering of the coal sample, the water collecting tank is arranged below the filtering frame, so that the waste filtrate and the overflow water of the water feeder during the filtering of the auxiliary filtering mechanism can be uniformly received, the relief that the waste filtrate is discharged into a beaker and then transferred is removed, the transfer time of the waste filtrate is shortened, the occupation of the beaker is reduced, and the whole filtering work is more efficient; and the distilled water is provided by arranging an independent water supply device on the appliance cabinet, so that the distilled water is more convenient to take when the distilled water is needed for filtering.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of the placement of a funnel and beaker for receiving filtrate as it is filtered in accordance with the present utility model;

FIG. 3 is a schematic view of a filter frame with two filter aid mechanisms according to the present utility model;

FIG. 4 is a schematic view of a water supply device according to the present utility model

FIG. 5 is a schematic view of a filter aid mechanism according to the present utility model;

FIG. 6 is a schematic view of a structure of a beaker holder according to the utility model;

FIG. 7 is a schematic view showing the structure of a beaker holder for holding a beaker containing a substance to be filtered according to the present utility model;

FIG. 8 is a schematic side sectional view of the beaker holder of the present utility model when it is turned over;

FIG. 9 is a schematic view of a structure of a positioning strip provided on a beaker holder according to the present utility model;

FIG. 10 is a schematic side sectional view of the beaker frame of the present utility model, which is constructed by guiding a flow through a glass rod when the beaker frame is turned over.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1 to 2, the present utility model provides an auxiliary device for inorganic sulfur filtering in coal, comprising a filtering frame 100 and an appliance cabinet 200 integrally provided, wherein a filtering auxiliary mechanism 110 for performing sulfur filtering operation on various coal samples is provided on the filtering frame 100, a water supply 300 for supplying distilled water for filtering is provided on the top of the appliance cabinet 200, a water collection tank 400 for receiving waste filtrate and overflow water from the water supply 300 when the filtering auxiliary mechanism 110 filters is provided under the filtering frame 100, a space for placing a funnel 500 and a beaker 600 is provided in the appliance cabinet 200, and the funnel 500 and the beaker 600 can be stored in the appliance cabinet 200 or placed in the filtering auxiliary mechanism 110 for performing sulfur filtering operation.

In the filtering operation of inorganic sulfur in coal, the beaker 600 can be taken out from the appliance cabinet 200 to respectively hold a plurality of coal samples, then hydrochloric acid for separating sulfate sulfur is added and heated to fully react, so that the sulfate sulfur is dissolved in a solvent, the funnel 500 with the same quantity as that of the beakers holding the coal samples is taken out and placed on the filtering auxiliary mechanism 110, filter paper is placed in the funnel 500, reactants after reaction in the beakers are poured into the funnel 500 in a one-to-one correspondence manner, distilled water is provided by the water supplier 300, substances in the beakers are all flushed into the funnel 500 to be filtered for the first time, the first filtered filtrate flowing down after being filtered by the filter paper in the funnel 500 is received and transferred by a new beaker, then methyl orange, ammonia water and hydrochloric acid are added to adjust the pH value to be weak acid, barium chloride is added to react by heating and barium sulfate precipitation is generated for standby, the solids left on the filter paper are transferred to the beaker after being washed and emptied, nitric acid is added for continuous reaction, after the reaction is finished, the materials in the beaker are all washed into the funnel through distilled water, the materials are filtered for the second time through the filter paper in the funnel, the filtrate flowing down at this time is the pyrite sulfur solution required for detection, impurities on the filter paper are not required to be reserved, the materials in the beaker containing the barium sulfate precipitate can be uniformly removed and discarded, finally, all the materials in the beaker are poured into the funnel and are continuously washed through distilled water, the filtered liquid is directly discharged to the water collecting tank 400 through the filter paper in the funnel, and the solid materials left on the filter paper are the barium sulfate required for detection, so that the inorganic sulfur filtering operation in the coal is completed.

By arranging the appliance cabinet 200, the funnel 500 and the beaker 600 can be placed in the appliance cabinet 200 for uniform storage when not filtered, and taken out for use when filtering is needed; by arranging the water collection tank 400 below the filter frame 100, not only the waste filtrate and the overflow water of the water supply device 300 during the filtration of the filter auxiliary mechanism 110 can be uniformly received, but also the occupation of a beaker can be reduced, the transfer time of the waste filtrate can be reduced, and the whole filtration work is more efficient; and the distilled water is supplied by providing the independent water supply device 300 on the appliance cabinet 200, so that the distilled water is more conveniently taken during the filtration.

Referring to fig. 3, in the above embodiment, a filtering auxiliary mechanism 110 is provided, and a filtering auxiliary mechanism may be further provided on the filtering frame 100 below the filtering auxiliary mechanism 110, so that two filtering auxiliary mechanisms are simultaneously provided on the filtering frame, thereby performing inorganic sulfur filtering of more coal samples. In order to prevent the lower filter auxiliary mechanism from being interfered by the upper filter auxiliary mechanism during operation, the lower filter auxiliary mechanism and the upper filter auxiliary mechanism can be arranged in a staggered mode in the front-rear position, namely, the upper filter auxiliary mechanism 110 is arranged at the rear, so that a space for facilitating the operation of the lower filter auxiliary mechanism is reserved in front of the upper filter auxiliary mechanism.

In some embodiments, three storage spaces 210 are provided in the appliance cabinet 200 for holding the funnel 500 and the beaker 600, and two storage spaces may be used for holding the beaker 600 and one for holding the funnel 500 due to the small amount of the funnel 500.

Referring to fig. 4, in some embodiments, the water supplier 300 includes a conical flask 310 for storing distilled water and a heating furnace 320 for heating the distilled water in the conical flask 310, a mouth of the conical flask 310 is connected with a distilled water source through a water receiving valve 311 and a water receiving pipe 312, a water discharging valve 313 for discharging the distilled water is provided at one side of the bottom of the conical flask 310, and a washing water pipe 314 for washing the beaker during filtering is connected to the water discharging valve 313. The upper portion of the conical flask 310 is connected with an overflow pipe 315 for preventing distilled water from overflowing the bottle mouth, and the end of the overflow pipe 315 is placed in the water collection tank 400. When the heating device is used, distilled water in the conical flask 310 is heated by the heating furnace 320, distilled water is supplied by the flushing water pipe 314, the water drain valve 313 is opened for use, the water drain valve is closed, the water receiving valve 311 and the water receiving pipe 312 are used for supplementing distilled water into the conical flask 310, and if the water level reaches the joint of the overflow water pipe 315 in the supplementing process, the distilled water overflows into the water collecting tank 400 through the overflow water pipe, so that the distilled water is prevented from overflowing onto the heating furnace.

Referring to fig. 5, in some embodiments, the filter aid 110 includes a carrier plate 111 and a funnel plate 112 fixed to the filter frame 100, a liquid collecting drawer 113 is provided on the carrier plate 111 to be movable back and forth, a plurality of funnel holes 1121 are provided on the funnel plate 112 at equal distances from left to right, a funnel 500 can be placed in the funnel holes 1121, and filter paper for filtering is provided in the funnel 500; the liquid collection drawer 113 can receive the filtrate to be reacted and filtered from left to right at equal distance under the funnel 500 placed in the funnel hole 1121 by pushing the beaker 600, and the liquid collection drawer 113 is further provided at the rear with a drain hole 1131 for discharging the waste filtrate not to be reacted and filtered, and the drain hole 1131 is connected with a drain pipe 1132 for discharging the waste filtrate to the water collection tank 400.

In the embodiment, a plurality of funnel holes 1121 are formed in the funnel plate 112 from left to right, so that a plurality of funnels can be placed at one time, filter papers for filtering can be paved in the funnels, and inorganic sulfur filtering of various coal samples can be conveniently completed in one batch; the bearing plate 111 is used for bearing the liquid collecting drawer 113, and the liquid collecting drawer 113 can move back and forth on the bearing plate 111 so as to pull out the beaker, and can push in the beaker backwards after the beaker is placed, so that the beaker placed in the beaker can be pushed to the lower part of the funnel in a one-to-one correspondence manner; in the first filtration, pouring a plurality of beakers with fully reacted coal samples and hydrochloric acid into the hopper in a one-to-one correspondence manner manually, providing distilled water through the water feeder 300, and flushing all substances in the beakers into the hopper to finish the first filtration; and then the liquid collecting drawer 113 is pulled out, the beaker with the first filtering filtrate is taken out one by one to obtain sulfate sulfur solution, then methyl orange, ammonia water and hydrochloric acid are added to adjust the pH value to weak acid, and then barium chloride is added to perform heating reaction and to generate barium sulfate precipitate for standby.

The solids containing pyrite sulfur which are not dissolved are left on the filter paper after the first filtration, at this time, the solids are required to be transferred to a new beaker, nitric acid is added to continue to react and dissolve, the second filtration is prepared, a beaker for receiving the filtrate of the second filtration is placed in the liquid collecting drawer 113, the beaker is pushed to the lower part of the funnel, the beaker which is fully reacted and dissolved by the pyrite sulfur solids and the nitric acid is poured into the funnel in a one-to-one correspondence mode, distilled water is provided by the water supply device 300, all substances in the beaker are washed into the funnel, the second filtration is completed through the filter paper, the liquid collecting drawer 113 is pulled out, and the beaker filled with the filtrate of the second filtration is removed, so that the solution containing pyrite sulfur is obtained.

Finally, the third filtration is started. The third filtration needs to keep the barium sulfate precipitate, and the filtrate does not need to be kept any more, so that the beaker does not need to be placed in the recapture liquid drawer 113, the recapture liquid drawer 113 is directly pushed to the lower part of the funnel, then the beaker which is fully reacted to generate the barium sulfate is poured into the funnel, distilled water is also supplied to the funnel through the water supply device 300 during pouring, all the precipitate is washed into the funnel, the filter paper in the funnel is used for filtering, finally the required barium sulfate solid is obtained through the filter paper, and the filtered filtrate is directly discharged to the water collecting tank 400 along the discharge pipe 1132 through the liquid discharge hole 1131 for temporary storage so as to be subjected to subsequent unified treatment, and thus, the filtration of inorganic sulfur required in the detection of the coal sample is completed.

In one embodiment, a crucible hole 1122 for placing a crucible is provided adjacent to each funnel hole 1121 of the funnel plate 112, and the crucible is placed through the crucible hole 1122, so that the obtained barium sulfate can be directly transferred into the crucible after the third filtration is completed, so that the subsequent drying process can be facilitated.

Referring to fig. 6-8, in one embodiment, the filter aid mechanism 110 further includes a beaker holder 114, beaker holes 1141 for holding beakers 600 are provided on the beaker holder 114 from left to right at equal distances and are in one-to-one correspondence with the funnel holes 1121, front two ends of the beaker holder 114 are rotatably connected to the filter holder 100 through a rotating shaft 1142, a rotating handle 1143 is fixedly connected to the rotating shaft 1142 at one end far from the appliance cabinet 200, the rotating handle 1143 can control the beaker holder 114 to rotate to pour the reactant in the beakers 600 into the funnel 500, and a positioning block 120 for preventing the rotating handle 1143 from rotating backwards is provided on the filter holder 100. In this embodiment, the beaker frame 114 may be used to place beakers containing objects to be filtered, the beakers containing objects to be filtered are placed in the beaker holes 1141 in a one-to-one correspondence manner, so that the beakers are directed toward the direction of the funnel, and then the whole beaker frame 114 is turned over forward by pulling the turning handle 1143 forward, so that the objects to be filtered in the beakers are poured into the funnel for filtration, by such a structure, the beakers are convenient to pour at one time, and by providing the positioning blocks 120 on the filter frame 100, the handle 1143 is prevented from turning backward when not turning, so that the beaker frame 114 is prevented from turning backward.

Referring to fig. 9-10, in some embodiments, for better positioning of the beaker, the front side of the beaker frame 114 is provided with a positioning strip 1144, and the positioning strip 1144 is provided with a plurality of V-shaped notches 1145 for positioning the beaker mouth. When the beaker 600 containing the to-be-filtered substances is placed in the beaker hole 1141, the beaker mouth of the beaker 600 is just clamped at the V-shaped notch 1145, and the tip end of the beaker mouth is still higher than the positioning strip 1144, so that the to-be-filtered substances are not blocked by the positioning strip when the beaker is poured, and the beaker is not rotated, so that the beaker is more stable.

In some embodiments, in order to prevent the objects to be filtered from overflowing to the outer wall of the beaker when the beaker is toppled over, a guide rod positioning plate 1146 for positioning the guide rod 700 is further arranged at the rear side of the beaker frame 114, a plurality of longitudinally arranged strip-shaped positioning holes 1147 are formed in the guide rod positioning plate 1146, a plurality of positioning hooks 1148 in one-to-one correspondence with the strip-shaped positioning holes 1147 are further formed at the rear side of the guide rod positioning plate 1146, and an elastic rubber ring 1149 is arranged on the positioning hooks 1148. After the beaker 600 with the objects to be filtered is placed on the beaker holder, the guide rod 700 can be inserted into the strip-shaped positioning hole 1147, then the front end of the guide rod 700 is placed at the beaker mouth of the beaker, the elastic rubber ring 1149 is sleeved at the rear end of the guide rod 700, the rear end of the guide rod 700 is pulled upwards by the elastic force of the elastic rubber ring 1149, and the guide rod 700 forms a lever by taking the upper edge of the rear side of the strip-shaped positioning hole 1147 as a fulcrum, so that the front end of the guide rod 700 is tightly pressed at the beaker mouth, and the guide rod 700 can guide the flow well when pouring the beaker.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims (8)

1. Inorganic sulphur filters auxiliary device in coal, a serial communication port, including filter stand (100) and utensil cabinet (200) that an organic whole set up, be provided with at least one on filter stand (100) and be used for carrying out sulphur filtration operation's filtration auxiliary mechanism (110) to multiple coal sample, utensil cabinet (200) top is equipped with and is used for providing and filters water supply ware (300) that washes with distilled water, filter stand (100) below is equipped with and is used for receiving waste filtrate when filtration auxiliary mechanism (110) filters and water collection tank (400) of the outer overflow of water supply ware (300), be equipped with in utensil cabinet (200) and can place the space of funnel (500) and beaker (600), funnel (500) and beaker (600) can be deposited in utensil cabinet (200) or place filtration auxiliary mechanism (110) carries out sulphur filtration operation.

2. The auxiliary device for filtering inorganic sulfur in coal according to claim 1, wherein the auxiliary filtering mechanism (110) comprises a bearing plate (111) and a funnel plate (112) which are fixed on the filtering frame (100), a liquid collecting drawer (113) capable of moving back and forth is arranged on the bearing plate (111), a plurality of funnel holes (1121) are formed in the funnel plate (112) at equal intervals from left to right, a funnel (500) can be placed in the funnel holes (1121), and filter paper for filtering is arranged in the funnel (500); the beaker (600) can be placed in the liquid collection drawer (113) at equal distance from left to right, and the beaker (600) is pushed to the position below a funnel (500) placed in the funnel hole (1121) to receive filtrate required to continue reaction and filtration.

3. The in-coal inorganic sulfur filtering auxiliary device according to claim 2, wherein a drain hole (1131) for discharging the waste filtrate without continuing the reaction and filtering is provided at the rear of the liquid collecting drawer (113), and a drain pipe (1132) for discharging the waste filtrate to the water collecting tank (400) is connected to the drain hole (1131).

4. The auxiliary device for filtering inorganic sulfur in coal according to claim 2, wherein the auxiliary mechanism for filtering (110) further comprises a beaker holder (114), beaker holes (1141) which are arranged on the beaker holder (114) at equal intervals from left to right and are in one-to-one correspondence with the funnel holes (1121) and used for placing beakers (600), two front ends of the beaker holder (114) are rotatably connected to the filter holder (100) through rotating shafts (1142), the rotating shafts (1142) far away from one end of the appliance cabinet (200) are fixedly connected with rotating handles (1143), the rotating handles (1143) can control the beaker holder (114) to rotate to pour reactants in the beakers (600) into the funnel (500), and positioning blocks (120) used for preventing the rotating handles (1143) from rotating backwards are arranged on the filter holder (100).

5. An auxiliary device for filtering inorganic sulfur in coal according to claim 2, wherein a crucible hole (1122) for placing a crucible is provided beside each funnel hole (1121) in the funnel plate (112).

6. The auxiliary device for filtering inorganic sulfur in coal according to claim 1, wherein at least two storage spaces (210) for placing a funnel (500) and a beaker (600) are arranged in the appliance cabinet (200).

7. The auxiliary device for filtering inorganic sulfur in coal according to any one of claims 1 to 6, wherein the water feeder (300) comprises a conical flask (310) for storing distilled water and a heating furnace (320) for heating distilled water in the conical flask (310), a bottle mouth of the conical flask (310) is connected with a distilled water source through a water receiving valve (311) and a water receiving pipe (312), a water drain valve (313) for draining distilled water is arranged on one side of the bottom of the conical flask (310), and the water drain valve (313) is connected with a flushing water pipe (314) for flushing a beaker during filtering.

8. The auxiliary device for filtering inorganic sulfur in coal as claimed in claim 7, wherein an overflow pipe (315) for preventing distilled water from overflowing from a bottle mouth is connected to an upper portion of the conical flask (310), and a tail end of the overflow pipe (315) is arranged in the water collecting tank (400).