CN212050872U - Acid mother liquor recovery unit is used in quartz sand purification - Google Patents
Acid mother liquor recovery unit is used in quartz sand purification Download PDFInfo
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- CN212050872U CN212050872U CN202020450986.3U CN202020450986U CN212050872U CN 212050872 U CN212050872 U CN 212050872U CN 202020450986 U CN202020450986 U CN 202020450986U CN 212050872 U CN212050872 U CN 212050872U
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Abstract
The utility model relates to an acid mother liquor recovery device for quartz sand purification, which belongs to the field of quartz sand purification and comprises an acid storage tank, an acid pump, a graphite heat exchanger, a reaction barrel and a PPH precipitation barrel; the acid pump sequentially conveys the acid liquor in the acid storage tank to the graphite heat exchanger and the reaction barrel through the acid conveying pipe; the bottom outlet end of the reaction barrel is communicated with the top inlet end of the PPH precipitation barrel through an acid return pipe; one side of the top of the PPH precipitation barrel is provided with an overflow port which is communicated with the reflux port of the acid storage tank through an acid return pipe. The acid liquor enters the PPH sedimentation barrel through the acid return pipe, the quartz sand particles of the acid return pipe settle in the PPH sedimentation barrel, the acid liquor enters the acid storage tank through the overflow of the overflow port, and the damage of the quartz sand particles entering the acid return pipe to the acid pump and the acid delivery pipe in the quartz sand purification production process is reduced to the maximum extent.
Description
Technical Field
The utility model relates to a quartz sand purification field, more specifically relates to a quartz sand purification is with acid mother liquor recovery unit.
Background
The place which is most easy to generate sand entering the acid pipe in the purification production process of quartz sand is the deacidification process at the bottom of the reaction barrel, if the deacidification filter cloth in the reaction barrel is damaged, sand particles can enter the acid pipe when acid liquor is recovered, and then enter the acid pump to damage the acid pipe; usually, the filter cloth can be replaced in the reaction barrel only after the purification production process in the reaction barrel is completed, so that the problem that sand enters the acid pipe to damage equipment is inevitable in the purification production process of quartz sand, and the problem that needs to be solved urgently is solved.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, the utility model discloses a quartz sand purification is with sour mother liquor recovery unit, in solving current quartz sand purification production process in the technique, then can cause the sand granule to get into sour intraductal when acidizing fluid is retrieved, and then get into the problem that the acid-feeding pump produced the damage to it.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an acid mother liquor recovery device for quartz sand purification, which comprises an acid storage tank, an acid pump, a graphite heat exchanger, reaction barrels and a PPH precipitation barrel which are arranged in parallel and are mutually communicated;
the acid pump sequentially conveys the acid liquor in the acid storage tank to the graphite heat exchanger and the reaction barrel through an acid conveying pipe; the bottom outlet end of the reaction barrel is communicated with the top inlet end of the PPH precipitation barrel through an acid return pipe; one side of the top of the PPH precipitation barrel is provided with an overflow port, and the overflow port is communicated with the reflux port end of the acid storage tank through the acid return pipe.
Further, the acid conveying pipe and the acid returning pipe are polytetrafluoroethylene pipes or PPH pipes.
Further, the graphite heat exchanger is a tube type graphite heat exchanger, and a high-temperature steam inlet of the graphite heat exchanger is communicated with a steam pipe of an external boiler room.
Further, the reaction barrel is a PPH reaction barrel; and the bottom is provided with an acid outlet pipe communicated with the acid return pipe.
The utility model has the advantages that:
the utility model discloses an acid mother liquor recovery unit is used in quartz sand purification, through setting up PPH sedimentation bucket, make the acidizing fluid pass through acid return pipe and get into PPH sedimentation bucket earlier, realize that the quartz sand granule of acid return pipe sinks the end in getting into PPH sedimentation bucket, after the acidizing fluid capacity satisfies the overflow height, then get into the acid storage tank through the mode of overflow mouth overflow, even there is a small amount of quartz sand granule to get into acid return pipe, also can deposit in PPH sedimentation bucket and guarantee that the acidizing fluid that gets into in sending the acid pump does not contain quartz sand granule; the damage of quartz sand particles entering the acid return pipe to the acid pump and the acid delivery pipe in the quartz sand purification production process is reduced to the maximum extent.
Drawings
Fig. 1 is a schematic structural view of a main view of an acid mother liquor recovery device for quartz sand purification according to an embodiment of the present invention.
In the figure:
1. an acid storage tank; 2. an acid pump; 3. a graphite heat exchanger; 4. a reaction barrel; 5. a PPH precipitation barrel; 6. a PPH precipitation barrel; 7. returning to an acid pipe; 8. and (4) an acid outlet pipe.
Detailed Description
Make the technical problem that the utility model solved, the technical scheme of adoption and the technological effect who reaches clearer, it is right to combine the figure below the embodiment of the utility model provides a technical scheme does further detailed description.
As shown in fig. 1, the acid mother liquor recovery device for quartz sand purification provided in this embodiment includes an acid storage tank 1, an acid pump 2, a graphite heat exchanger 3, a reaction barrel 4 and a PPH precipitation barrel 5 which are arranged in parallel and are communicated with each other; the acid pump 2 sequentially conveys the acid liquor in the acid storage tank 1 to the graphite heat exchanger 3 and the reaction barrel 4 through the acid conveying pipe 6; the bottom outlet end of the reaction barrel 4 is communicated with the top inlet end of the PPH precipitation barrel 5 through an acid return pipe 7; one side of the top of the PPH settling barrel 5 is provided with an overflow port 51, and the overflow port 51 is communicated with the reflux port end of the acid storage tank 1 through an acid return pipe 7.
The above implementation, specifically, as known from the background art, the place most likely to generate sand entering the acid pipe in the quartz sand purification production process is the deacidification process at the bottom of the reaction barrel, and if the deacidification filter cloth is damaged, the filter cloth can be replaced in the reaction barrel only after the purification production process in the reaction barrel is completed; in order to avoid damage of quartz sand entering the acid return pipe 7 to the acid sending pump 2 and the acid sending pipe 6, the acid liquor firstly enters the PPH sedimentation barrel 5 through the acid return pipe 7, so that quartz sand particles of the acid return pipe 7 settle in the PPH sedimentation barrel 5, and when the capacity of the acid liquor meets the overflow height, the acid liquor enters the acid storage tank 1 in an overflow mode through the overflow port 51, even if a small amount of quartz sand particles enter the acid return pipe 7, the quartz sand particles can be precipitated in the PPH sedimentation barrel 5, so that the acid liquor entering the acid sending pump 2 is ensured not to contain the quartz sand particles; the damage of quartz sand particles entering the acid return pipe 7 to the acid pump 2 and the acid delivery pipe 6 in the quartz sand purification production process is reduced to the maximum extent.
In this embodiment, the acid supply pipe 6 and the acid return pipe 7 are polytetrafluoroethylene pipes or PPH pipes. No matter the polytetrafluoroethylene tube or the PPH tube is adopted, the acid corrosion resistance is good, and even if quartz sand particles exist in the acid return tube 7, secondary pollution to the quartz sand can not be caused.
In this embodiment, the graphite heat exchanger 3 is a tube type graphite heat exchanger, and a high-temperature steam inlet of the graphite heat exchanger 3 is communicated with a steam pipe of an external boiler room. The shell-and-tube graphite heat exchanger is characterized in that the shell-and-tube graphite heat exchanger is a tube bundle formed by bonding an impermeable graphite heating tube and a tube plate by using an adhesive, the tube bundle is placed in a steel cylindrical shell, and end sockets made of impermeable graphite materials or other anti-corrosion materials are arranged at two ends of the shell and are respectively fastened by bolts, so that the shell-and-tube graphite heat exchanger is simple and compact in structure and small in fluid resistance; the graphite has acid corrosion resistance and good heat conduction performance, and simultaneously changes the heating mode of the acid liquor, so that the temperature of the acid liquor is uniformly increased, the temperature increasing time is shortened, the steam consumption is reduced to a certain extent, the energy waste is reduced, and the working efficiency is improved.
In this embodiment, the reaction barrel 4 is a PPH reaction barrel; the bottom is provided with an acid outlet pipe 8 communicated with the acid return pipe 7. The acid outlet pipe 8 is preferably a PPH pipe which has good acid corrosion resistance, quartz sand particles exist in the acid outlet pipe 8, secondary pollution to the quartz sand is avoided, and purification of the quartz sand is facilitated.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (4)
1. The utility model provides a quartz sand purification is with acid mother liquor recovery unit which characterized in that:
comprises an acid storage tank (1), an acid pump (2), a graphite heat exchanger (3), reaction barrels (4) and a PPH precipitation barrel (5) which are arranged in parallel and are communicated with each other;
the acid pump (2) is used for sequentially conveying the acid liquor in the acid storage tank (1) to the graphite heat exchanger (3) and the reaction barrel (4) through an acid conveying pipe (6); the bottom outlet end of the reaction barrel (4) is communicated with the top inlet end of the PPH precipitation barrel (5) through an acid return pipe (7); one side of the top of the PPH settling barrel (5) is provided with an overflow port (51), and the overflow port (51) is communicated with the reflux port of the acid storage tank (1) through the acid return pipe (7).
2. The apparatus for recovering acid mother liquor for purification of quartz sand as claimed in claim 1, wherein:
the acid feeding pipe (6) and the acid returning pipe (7) are polytetrafluoroethylene pipes or PPH pipes.
3. The apparatus for recovering acid mother liquor for purification of quartz sand as claimed in claim 1, wherein:
the graphite heat exchanger (3) is a tube type graphite heat exchanger, and a high-temperature steam inlet of the graphite heat exchanger (3) is communicated with a steam pipe of an external boiler room.
4. The apparatus for recovering acid mother liquor for purification of quartz sand as claimed in claim 1, wherein:
the reaction barrel (4) is a PPH reaction barrel; the bottom is provided with an acid outlet pipe (8) communicated with the acid return pipe (7).
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CN202020450986.3U CN212050872U (en) | 2020-03-31 | 2020-03-31 | Acid mother liquor recovery unit is used in quartz sand purification |
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CN202020450986.3U CN212050872U (en) | 2020-03-31 | 2020-03-31 | Acid mother liquor recovery unit is used in quartz sand purification |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114262357A (en) * | 2021-12-29 | 2022-04-01 | 浙江旅游职业学院 | Flax protein modification equipment and method based on PpH migration technology |
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2020
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114262357A (en) * | 2021-12-29 | 2022-04-01 | 浙江旅游职业学院 | Flax protein modification equipment and method based on PpH migration technology |
CN114262357B (en) * | 2021-12-29 | 2023-08-11 | 浙江旅游职业学院 | Flax protein modification equipment and method based on PH offset technology |
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Legal Events
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GR01 | Patent grant | ||
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of acid mother liquor recovery device for quartz sand purification Effective date of registration: 20221031 Granted publication date: 20201201 Pledgee: Jiujiang Bank Co.,Ltd. Suichuan sub branch Pledgor: Jiangxi Jianji High-tech Silicon Material Co.,Ltd. Registration number: Y2022980020327 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |