CN110779767A - Concentrated acid sampling tank - Google Patents
Concentrated acid sampling tank Download PDFInfo
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- CN110779767A CN110779767A CN201911075299.6A CN201911075299A CN110779767A CN 110779767 A CN110779767 A CN 110779767A CN 201911075299 A CN201911075299 A CN 201911075299A CN 110779767 A CN110779767 A CN 110779767A
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- tank
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- concentrated acid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a concentrated acid sampling tank which is arranged near a finished acid transfer tank, wherein the concentrated acid sampling tank comprises a tank body and a tank cover, a tank cavity is defined by a tank body, and an opening communicated with the tank cavity is formed in the top of the tank body; an acid inlet pipe is arranged on the side part of the tank body, one end of the acid inlet pipe is positioned in the tank cavity, and the other end of the acid inlet pipe is positioned outside the tank body; the bottom of the tank body is provided with an acid outlet pipe which is connected with the finished acid transfer tank through an acid outlet pipe, and the pipe cavity of the acid outlet pipe is communicated with the tank cavity; the tank cover is arranged at the opening of the tank cavity to seal the tank cavity. The concentrated acid sampling tank disclosed by the invention can effectively avoid corrosion of concentrated acid in the tank cavity, improve the working environment of sampling personnel and improve the working safety of the sampling personnel.
Description
Technical Field
The invention relates to the technical field of concentrated acid sampling of a smelting flue gas acid making system, in particular to a concentrated acid sampling tank.
Background
The traditional sampling tank is usually arranged near the circulating pump tank, various pipelines with different specifications and sizes are arranged around the circulating pump tank, and sampling personnel need to climb to an operation platform of the circulating pump tank to cross the pipeline in the way, so that the sampling personnel can sample by using glassware, and thus, great hidden danger exists for the personal safety of the sampling personnel.
The traditional concentrated acid sampling tank adopts a flat bottom tank, acid is fed into the bottom, overflows and is discharged, a cover plate is not arranged, and SO dissolved in sulfuric acid is dissolved in the sulfuric acid
2Will drift out and emit pungent odor. In addition, the bubbles often entrained in the sulfuric acid burst at a certain degree of extrusion, causing sulfuric acid to splash.
The traditional sampling tank is usually made of cast iron, 304 or 316L alloy steel, and a thin layer of dilute sulfuric acid is formed at the interface of the sulfuric acid and air in the sampling tank due to the water absorption of concentrated sulfuric acid, so that the corrosion of a sampler is serious.
The traditional sampling tank configuration is that 1 tower or 1 pump groove corresponds a sampling tank, and sampling tank quantity is more than 2, and the equipartition is arranged in tower or near groove, and manual sampling is very inconvenient.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, one object of the present invention is to provide a concentrated acid sampling tank, which can effectively avoid corrosion of concentrated acid in a tank cavity, improve the working environment of sampling personnel, and improve the working safety of the sampling personnel.
According to the embodiment of the invention, the concentrated acid sampling tank is used for being arranged near a finished acid transfer tank and comprises:
the tank body defines a tank cavity, and the top of the tank body is provided with an opening communicated with the tank cavity; an acid inlet pipe is arranged on the side part of the tank body, one end of the acid inlet pipe is positioned in the tank cavity, and the other end of the acid inlet pipe is positioned outside the tank body; an acid outlet pipe connected with the finished acid transfer tank through an acid outlet pipe is arranged at the bottom of the tank body, and a pipe cavity of the acid outlet pipe is communicated with the tank cavity;
the tank cover is arranged at the opening of the tank cavity to seal the tank cavity.
According to the concentrated acid sampling tank provided by the embodiment of the invention, the working process is as follows: concentrated acid enters the concentrated acid sampling tank cavity through the acid inlet pipe on the side part of the pipe body, the concentrated acid in the tank cavity sequentially enters the finished acid transfer tank through the acid outlet pipe and the acid outlet pipe, and a sampling person opens the tank cover to sample from the opening of the tank cavity.
According to the concentrated acid sampling tank provided by the embodiment of the invention, the concentrated acid sampling tank is arranged near the finished acid transfer tank, compared with the traditional mode that the concentrated acid sampling tank is arranged near the circulating pump tank, a sampling person does not need to climb up an operation platform of the circulating pump tank, and crosses pipelines in the path, so that the sampling is more convenient, and the potential safety hazard is greatly reduced; the finished acid transfer tank is usually in a negative pressure environment, the finished acid transfer tank of the concentrated acid sampling tank is communicated, so that the tank cavity of the concentrated acid sampling tank is also in the negative pressure environment, the side part of the tank body is provided with an acid inlet pipe, concentrated acid solution is conveyed into the tank cavity from the upper part of the side of the tank body through the acid inlet pipe, the bottom of the tank body is provided with an acid outlet pipe, acid is discharged from the bottom of the tank body through the acid outlet pipe, and pungent gas which escapes from the concentrated acid returns to the interior of an acid making system, so that a sampling person cannot smell the pungent gas when sampling from the concentrated acid sampling tank; one end of the acid outlet pipe is connected to the acid outlet pipe, the other end of the acid outlet pipe is connected with the finished acid transfer tank, the finished acid transfer tank is usually in a negative pressure environment, the concentrated acid sampling tank is communicated with the finished acid transfer tank, so that a tank cavity of the concentrated acid sampling tank is also in the negative pressure environment, and therefore irritant gas flowing in the concentrated acid returns to the interior of the acid making system and does not flow to the atmosphere, the operating environment of sampling personnel is effectively improved, meanwhile, the extrusion degree of bubbles carried in the sampled concentrated acid is reduced, and the situation that the concentrated acid splashes due to bubble breakage is avoided; the opening that communicates with the tank cavity is set up at the top of the jar body, the opening part in the tank cavity is established to the cover lid, when the sampling personnel got sour, open the cover, get sour from the opening part in tank cavity, get sour completion back, cover the opening part in the tank cavity with the cover, make the tank cavity sealed again, therefore, can effectively reduce the probability of concentrated acid and atmospheric contact, thereby reduce the moisture in the atmosphere of concentrated acid absorption, the acid concentration of avoiding concentrated acid interface is on the low side, and cause the corruption of concentrated acid sample jar. In conclusion, the concentrated acid sampling tank provided by the embodiment of the invention can effectively avoid corrosion of concentrated acid in the tank cavity, improve the working environment of sampling personnel and improve the working safety of the sampling personnel.
According to one embodiment of the invention, the tank body is made of alloy steel lined with polytetrafluoroethylene.
According to one embodiment of the invention, the tank cavity comprises a cylindrical cavity and an inverted cone-shaped cavity which are communicated up and down, wherein the periphery of the bottom end of the cylindrical cavity is directly connected with the periphery of the top end of the inverted cone-shaped cavity, and the periphery of the bottom end of the inverted cone-shaped cavity is connected with the periphery of the top end of the tube cavity of the acid outlet tube.
According to one embodiment of the invention, the acid inlet pipe comprises a horizontal section, a curved arc section and a vertical section which are connected in sequence, wherein the vertical section is positioned below the curved arc section.
According to one embodiment of the invention, the acid inlet pipes comprise a plurality of pipes, the plurality of pipes respectively penetrate through the upper parts of the side parts of the tank body, one ends of the plurality of pipes are located in the tank cavity, and the other ends of the plurality of pipes are located outside the tank body.
According to one embodiment of the invention, a plurality of support plates are arranged on the outer circumferential surface of the tank body, and the plurality of support plates are arranged transversely.
According to a further embodiment of the invention, a plurality of reinforcing rib plates are arranged on the outer circumferential surface of the tank body, the reinforcing rib plates are vertically arranged above the supporting plates in a one-to-one correspondence manner, one end of each of two adjacent ends of each of the reinforcing rib plates is fixed to the upper surfaces of the supporting plates in a one-to-one correspondence manner, and the other end of each of two adjacent ends of each of the reinforcing rib plates is fixed to the outer surface of the tank body.
According to one embodiment of the invention, the can lid is provided with a vent hole.
According to one embodiment of the invention, a handle is provided on the top surface of the can lid.
According to one embodiment of the invention, the can lid is pivotally connected to the can body such that the can lid is rotatable in a horizontal plane or rotatable in a vertical plane.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a concentrated acid sampling tank according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic structural diagram of a support plate of the concentrated acid sampling tank according to the embodiment of the invention.
Fig. 4 is a schematic structural diagram of a reinforcing rib plate of the concentrated acid sampling tank according to the embodiment of the invention.
Reference numerals:
concentrated acid sampling tank 1000
Bent arc section 601 and vertical section 602 of horizontal section 601 of acid inlet pipe 6
Supporting plate 7
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A concentrated acid sampling tank 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, according to a concentrated acid sampling tank 1000 according to an embodiment of the present invention, the concentrated acid sampling tank 1000 is configured to be disposed near a finished acid transfer tank (not shown), and includes a tank body 1 and a tank cover 2, the tank body defines a tank cavity 4, and the top of the tank body 1 is provided with an opening 3 communicating with the tank cavity 4; an acid inlet pipe 6 is arranged on the side part of the tank body 1, one end of the acid inlet pipe 6 is positioned in the tank cavity 4, and the other end of the acid inlet pipe 6 is positioned outside the tank body 1; the bottom of the tank body 1 is provided with an acid outlet pipe 5 which is connected with a finished acid transfer tank through an acid outlet pipe (not shown in the figure), and the pipe cavity of the acid outlet pipe 5 is communicated with the tank cavity 4; the can lid 2 is placed over the opening 3 of the can cavity 4 to seal the can cavity 4.
According to the concentrated acid sampling tank 1000 of the embodiment of the invention, the working process is as follows: concentrated acid enters into the concentrated acid sampling tank 1000 tank cavity 4 through the acid inlet pipe 6 at the side part of the tank body 1, the concentrated acid in the tank cavity 4 sequentially enters into the finished product acid transfer tank through the acid outlet pipe 5 and the acid outlet pipe, when sampling is needed, the tank cover 2 is opened, sampling is carried out from the opening 3 of the tank cavity 4, and when sampling is finished, the tank cover 2 is re-covered at the opening 3 of the tank cavity 4 to seal the tank cavity 4.
According to the concentrated acid sampling tank 1000 provided by the embodiment of the invention, the concentrated acid sampling tank 1000 is arranged near the finished acid transfer tank, compared with the traditional mode that the concentrated acid sampling tank 1000 is arranged near the circulating pump tank, a sampling worker does not need to climb on an operation platform of the circulating pump tank, a pipeline is crossed, the sampling is more convenient, and the potential safety hazard is greatly reduced; the finished acid transfer tank is usually in a negative pressure environment, the concentrated acid sampling tank 1000 is communicated with the finished acid transfer tank, so that the tank cavity 4 of the concentrated acid sampling tank 1000 is also in the negative pressure environment, the side part of the tank body 1 is provided with an acid inlet pipe 6, a concentrated acid solution is conveyed into the tank cavity 4 from the upper part of the side of the tank body 1 through the acid inlet pipe 6, the bottom of the tank body 1 is provided with an acid outlet pipe 5, and acid is discharged from the bottom of the tank body 1 through the acid outlet pipe 5, so that a sampling person cannot smell pungent gas when sampling from the concentrated acid sampling tank 1000; one end of the acid outlet pipe is connected to the acid outlet pipe 5, the other end of the acid outlet pipe is connected with the finished acid transfer tank, the finished acid transfer tank is usually in a negative pressure environment, the concentrated acid sampling tank 1000 is communicated with the finished acid transfer tank, so that the tank cavity 4 of the concentrated acid sampling tank 1000 is also in the negative pressure environment, and therefore irritant gas drifting in the concentrated acid returns to the interior of the acid making system and does not drift to the atmosphere, the operating environment of sampling personnel is effectively improved, meanwhile, the extrusion degree of bubbles carried in the sampled concentrated acid is reduced, and the situation that the concentrated acid splashes due to bubble breakage is avoided; set up the opening 3 with tank cavity 4 intercommunication at the top of jar body 1, the opening 3 department at tank cavity 4 is established to cover 2 lid of cover, when the sampling personnel got sour, open cover 2, get sour from tank cavity 4's opening 3 department, get sour completion back, cover 2 lid in tank cavity 4's opening 3 department, make tank cavity 4 sealed again, therefore, can effectively reduce the probability of concentrated acid and atmospheric contact, thereby reduce the moisture in the absorptive atmosphere of concentrated acid, avoid the acid concentration on concentrated acid interface to hang down, and cause the corruption of concentrated acid sample jar 1000. In conclusion, the concentrated acid sampling tank 1000 provided by the embodiment of the invention can effectively avoid corrosion of concentrated acid in the tank cavity 4, improve the working environment of sampling personnel and improve the working safety of the sampling personnel.
According to one embodiment of the present invention, the tank 1 is made of alloy steel lined with teflon. It can be understood that the contact of the concentrated acid interface in the concentrated acid sampling tank 1000 with the atmosphere can lead to the low acid concentration at the concentrated acid interface, which causes corrosion of the concentrated acid sampling tube, and the tank body 1 is made of alloy steel lining polytetrafluoroethylene, which has strong corrosion resistance and can effectively prolong the service life of the concentrated acid sampling tank 1000.
According to one embodiment of the invention, the tank cavity 4 comprises a cylindrical cavity 401 and an inverted cone-shaped platform cavity 402 which are communicated up and down, wherein the bottom end periphery of the cylindrical cavity 401 is directly connected with the top end periphery of the inverted cone-shaped platform cavity 402, and the bottom end periphery of the inverted cone-shaped platform cavity 402 is connected with the top end periphery of the acid outlet pipe 5. It can be understood that, the concentrated acid sampling tank 1000 adopts the cylinder cavity 401 and the inverted cone cavity 402, the dead angle of the tank cavity 4 can be obviously reduced, the concentrated acid directly flows into the inverted cone cavity 402 from the cylinder cavity 401, and then flows into the finished acid transfer tank through the acid outlet pipe 5 and the acid outlet pipe in sequence, and the concentrated acid is not gathered in the dead angle of the tank cavity 4, so that the concentrated acid sampling tank 1000 is corroded.
According to one embodiment of the present invention, the acid inlet pipe 6 comprises a horizontal section 601, a curved section 602 and a vertical section 603 which are connected in sequence, wherein the vertical section 603 is located below the curved section 602. It can be understood that the horizontal section 601, the curved section 602 and the vertical section 603 are connected in sequence to form an acid inlet pipe 6 for stably delivering concentrated acid into the tank cavity 4 to avoid splashing of the concentrated acid.
According to one embodiment of the invention, the acid inlet pipe 6 comprises a plurality of acid inlet pipes 6, the acid inlet pipes 6 respectively penetrate through the upper parts of the side parts of the tank body 1, one ends of the acid inlet pipes 6 are all positioned in the tank cavity 4, and the other ends of the acid inlet pipes 6 are all positioned outside the tank body 1. It can be understood that the dispersed concentrated acid sampling tanks 1000 are concentrated on the ground where the concentrated acid zone is convenient for sampling, and are combined into one, the quantity of the concentrated acid sampling tanks 1000 is reduced, and the plurality of acid inlet pipes 6 respectively pass through the upper part of the side part of the tank body 1 to convey concentrated acid into the tank cavity 4, so that sampling personnel can sample conveniently.
The side upper part of one concentrated acid sampling tank 1000 is provided with three acid inlet pipes 6 at most.
According to one embodiment of the present invention, a plurality of support plates 7 are provided on the outer circumferential surface of the can body 1, and the plurality of support plates 7 are arranged in the lateral direction. It can be understood that the plurality of supporting plates 7 are used as supporting lugs of the concentrated acid sampling tank 1000 to place the concentrated acid sampling tank 1000 in an overhead manner, so that the acid outlet pipe 5 is supported off the ground, and the acid outlet pipe 5 is conveniently connected with the acid outlet pipe.
It should be noted that, in the actual production process, the ground distance of the concentrated acid sampling tank 1000 is small, and the number of the supporting plates 7 is determined according to the actual situation.
According to a further embodiment of the present invention, a plurality of reinforcing rib plates 8 are provided on the outer circumferential surface of the tank body 1, the plurality of reinforcing rib plates 8 are vertically disposed above the plurality of support plates 7 in a one-to-one correspondence, one end of each of two adjacent ends of the plurality of reinforcing rib plates 8 is fixed to the upper surfaces of the plurality of support plates 7 in a one-to-one correspondence, and the other end of each of two adjacent ends of the plurality of reinforcing rib plates 8 is fixed to the outer surface of the tank body 1. It can be understood that the reinforcing rib plate 8 is fixed on the upper surface of the supporting plate 7 and the outer surface of the tank body 1, so that the strength of the supporting plate 7 is improved, and the supporting plate 7 is prevented from being bent or broken after the concentrated acid sampling tank 1000 is supported for a long time.
According to an embodiment of the present invention, the can lid 2 is provided with a vent hole 201. It can be understood that the tank cavity 4 of the concentrated acid sampling tank 1000 is under negative pressure, and the tank cover 2 is provided with the vent hole 201, so that the tank cavity 4 is communicated with the atmosphere, and excessive negative pressure in the tank cavity 4 can be avoided.
According to one embodiment of the invention, a handle 9 is provided on the upper surface of the can lid 2. Therefore, the sampling personnel can open the tank cover 2 through the handle 9, and the sampling device is convenient and quick.
According to one embodiment of the present invention, the can lid 2 is pivotally connected to the can body 1 such that the can lid 2 is rotatable in a horizontal plane or rotatable in a vertical plane. It will be understood that the lid 2 is pivotally connected to the can body 1, possibly by a vertical pivot axis, so that the lid 2 can be rotated in a horizontal plane to open or close the opening 3 of the can body 1; or the can lid 2 is pivotally connected to the can body 1 by a transverse pivot axis to enable the can lid 2 to be rotated in a horizontal plane to open or close the opening 3 of the can body 1.
Preferably, a flange 11 is arranged on the outer peripheral surface of the side portion of the can body 1 and adjacent to the top of the can body 1, a sealing gasket 10 is arranged between the upper surface of the flange 11 and the edge portion of the lower surface of the can cover 2, and the can cover 2 is locked on the flange 11 by bolts and nuts to tightly seal the can cavity 4, so that the sealing reliability is good.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A concentrated acid sampling tank for placement adjacent to a finished acid tundish, comprising:
the tank body defines a tank cavity, and the top of the tank body is provided with an opening communicated with the tank cavity; an acid inlet pipe is arranged on the side part of the tank body, one end of the acid inlet pipe is positioned in the tank cavity, and the other end of the acid inlet pipe is positioned outside the tank body; an acid outlet pipe connected with the finished acid transfer tank through an acid outlet pipe is arranged at the bottom of the tank body, and a pipe cavity of the acid outlet pipe is communicated with the tank cavity;
the tank cover is arranged at the opening of the tank cavity to seal the tank cavity.
2. The concentrated acid sampling tank of claim 1, wherein the tank body is made of an alloy steel lined with polytetrafluoroethylene.
3. The concentrated acid sampling tank of claim 1, wherein the tank cavity comprises a cylindrical cavity and an inverted cone-shaped cavity which are communicated up and down, wherein the bottom end periphery of the cylindrical cavity is directly connected with the top end periphery of the inverted cone-shaped cavity, and the bottom end periphery of the inverted cone-shaped cavity is connected with the top end periphery of the tube cavity of the acid outlet tube.
4. The concentrated acid sampling tank of claim 1, wherein the acid inlet pipe comprises a horizontal section, a curved arc section and a vertical section which are connected in sequence, wherein the vertical section is positioned below the curved arc section.
5. The concentrated acid sampling tank of claim 1, wherein the acid inlet pipes comprise a plurality of pipes, the plurality of acid inlet pipes respectively penetrate through the upper parts of the side parts of the tank body, one ends of the plurality of acid inlet pipes are located in the tank cavity, and the other ends of the plurality of acid inlet pipes are located outside the tank body.
6. The concentrated acid sampling tank of claim 1, wherein a plurality of support plates are provided on the outer circumferential surface of the tank body, and the plurality of support plates are arranged laterally.
7. The concentrated acid sampling tank according to claim 6, wherein a plurality of reinforcing rib plates are arranged on the outer peripheral surface of the tank body, the reinforcing rib plates are vertically arranged above the supporting plates in a one-to-one correspondence manner, one ends of the two adjacent ends of the reinforcing rib plates are fixed to the upper surfaces of the supporting plates in a one-to-one correspondence manner, and the other ends of the two adjacent ends of the reinforcing rib plates are fixed to the outer surface of the tank body.
8. The concentrated acid sampling tank of claim 1, wherein the tank cover is provided with a vent hole.
9. The concentrated acid sampling tank of claim 1, wherein a handle is provided on the top surface of the tank cover.
10. The concentrated acid sampling tank of claim 1, wherein the tank cover is pivotally connected to the tank body such that the tank cover is rotatable in a horizontal plane or rotatable in a vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075299.6A CN110779767A (en) | 2019-11-06 | 2019-11-06 | Concentrated acid sampling tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075299.6A CN110779767A (en) | 2019-11-06 | 2019-11-06 | Concentrated acid sampling tank |
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| Publication Number | Publication Date |
|---|---|
| CN110779767A true CN110779767A (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911075299.6A Pending CN110779767A (en) | 2019-11-06 | 2019-11-06 | Concentrated acid sampling tank |
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| CN (1) | CN110779767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551411A (en) * | 2020-03-11 | 2020-08-18 | 吉林工程技术师范学院 | Acid adding device for geological mineral sample detection |
-
2019
- 2019-11-06 CN CN201911075299.6A patent/CN110779767A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551411A (en) * | 2020-03-11 | 2020-08-18 | 吉林工程技术师范学院 | Acid adding device for geological mineral sample detection |
| CN111551411B (en) * | 2020-03-11 | 2022-11-25 | 吉林工程技术师范学院 | Acid adding device for geological mineral sample detection |
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