CN116651836A - Down acid feeding type pickling tank - Google Patents

Down acid feeding type pickling tank Download PDF

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Publication number
CN116651836A
CN116651836A CN202310748539.4A CN202310748539A CN116651836A CN 116651836 A CN116651836 A CN 116651836A CN 202310748539 A CN202310748539 A CN 202310748539A CN 116651836 A CN116651836 A CN 116651836A
Authority
CN
China
Prior art keywords
acid
tank body
pipe
liquid
sand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310748539.4A
Other languages
Chinese (zh)
Inventor
宋辉
唐辉务
黄飞飞
陆秀辉
郑志光
李龙彪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Plastic Plastic Bo Plastic Anti Corrosion Equipment Co ltd
Qingyuan Nanbo Quartz Materials Co ltd
CSG Holding Co Ltd
Original Assignee
Foshan Plastic Plastic Bo Plastic Anti Corrosion Equipment Co ltd
Qingyuan Nanbo Quartz Materials Co ltd
CSG Holding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Plastic Plastic Bo Plastic Anti Corrosion Equipment Co ltd, Qingyuan Nanbo Quartz Materials Co ltd, CSG Holding Co Ltd filed Critical Foshan Plastic Plastic Bo Plastic Anti Corrosion Equipment Co ltd
Publication of CN116651836A publication Critical patent/CN116651836A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The application discloses a lower acid-feeding type pickling tank, which comprises a tank body, wherein a liquid outlet is formed in the top of the tank body, the bottom of the tank body is conical, a sand discharge port and a liquid discharge port are formed in the bottom of the tank body, and a filter is arranged at the liquid discharge port; the inboard bottom of the jar body is equipped with the sour subassembly of supplying, supplies sour subassembly to encircle and locates outside sand discharge mouth and the leakage fluid dram, supplies sour subassembly including a plurality of sour pipes that spout, and every spouts sour pipe and all is equipped with a plurality of sour mouths that spout. The acid spraying pipe is arranged at the bottom of the tank body, the liquid outlet is arranged at the top of the tank body, and acid liquid can be supplied from the acid spraying pipe into the tank body during acid washing, flows from bottom to top and is discharged from the liquid outlet; the acid liquor flows from bottom to top, and has an upward scouring effect on the quartz sand, which is equivalent to an agitating effect on the quartz sand, so that the quartz sand is dispersed, the contact area of the quartz sand with the acid liquor is larger, and the acid washing effect is better.

Description

Down acid feeding type pickling tank
Technical Field
The application relates to the technical field of acid washing, in particular to a lower acid feeding type acid washing tank.
Background
In order to obtain high purity silica sand, it is necessary to acid wash the silica sand. The pickling of quartz sand requires a pickling tank, and the acid liquor of a conventional pickling tank enters from the tank top and then is discharged from the tank bottom. However, in use, the pickling tank still has some defects, for example, because the flowing direction of the acid liquor is from top to bottom, quartz sand has acting force on the acid liquor for flushing down in addition to self gravity, so that the quartz sand is compactly stacked, the contact area of the quartz sand and the acid liquor is small, and the pickling effect needs to be enhanced; and the quartz sand can be tightly pressed on the filter cloth, which leads to easy blockage of the filter cloth.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a lower acid-feeding type pickling tank.
The lower acid-feeding type pickling tank comprises a tank body, wherein a liquid outlet is formed in the top of the tank body, the bottom of the tank body is conical, a sand discharge port and a liquid discharge port are formed in the bottom of the tank body, and a filter is arranged at the liquid discharge port; the acid supply assembly is arranged at the bottom of the inner side of the tank body, the acid supply assembly is arranged outside the sand discharge port and the liquid discharge port in a surrounding mode, the acid supply assembly comprises a plurality of acid spraying pipes, and each acid spraying pipe is provided with a plurality of acid spraying ports.
The lower acid-feeding type pickling tank provided by the embodiment of the application has at least the following technical effects: the acid spraying pipe is arranged at the bottom of the tank body, the liquid outlet is arranged at the top of the tank body, and acid liquid can be supplied from the acid spraying pipe into the tank body during acid washing, flows from bottom to top and is discharged from the liquid outlet; the acid liquor flows from bottom to top, and has an upward scouring effect on the quartz sand, which is equivalent to an agitating effect on the quartz sand, so that the quartz sand is dispersed, the contact area of the quartz sand with the acid liquor is larger, and the acid washing effect is better. Through setting up and supplying sour subassembly ring to locate sand outlet and leakage fluid dram, can follow sour subassembly and let in a small amount of acidizing fluid or water during the sand removal, the mobility of the quartz sand that the reinforcing is located jar body bottom, the quartz sand that is located jar body bottom is caused to flow to the sand outlet, and then drives all quartz sand and flows to the sand outlet, need not to let in a large amount of acidizing fluid or water and can improve sand removal efficiency by a wide margin.
According to some embodiments of the application, the drain and the filter are collectively referred to as a drain structure, the number of drain structures being plural, the plurality of drain structures being disposed around the sand drain. When the sand is discharged, the quartz sand flows along the conical tank bottom, flows to the liquid discharge structure and then flows to the sand discharge port, so that residual acid liquid in the quartz sand can be discharged from the liquid discharge structure, the amount of acid liquid in the quartz sand discharged from the sand discharge port is reduced, and the subsequent quartz sand flushing procedure is facilitated.
According to some embodiments of the application, the filter comprises a cartridge disposed above the drain. The filter cylinder is arranged to protrude upwards from the liquid outlet, so that the filtering area is increased, and the filtering efficiency is improved.
According to some embodiments of the application, the filter further comprises a filter cloth, wherein the filter cloth is wrapped on the outer side of the filter cartridge, and the filter cloth is detachably connected with the filter cartridge. Thus, the filter cloth can be prevented from being blocked by quartz sand, and the filter cloth is detachably connected with the filter cylinder so as to be convenient for replacing the filter cloth.
According to some embodiments of the application, the acid spraying pipe extends along a bus direction at the bottom of the tank body, the acid supply assembly comprises an acid supply pipe, the acid supply pipe is annular, and one end of the acid spraying pipe is communicated with the acid supply pipe. Through setting up annular acid supply pipe, supply sour to the acid supply pipe and can make the acidizing fluid reach every and spout sour pipe, need not every and spout sour pipe and all communicate outside the jar body, rational in infrastructure compactly.
According to some embodiments of the application, a plurality of vertically arranged side acid outlet pipes are arranged in the tank body, the side acid outlet pipes are arranged on the side wall of the tank body, and each side acid outlet pipe is provided with a plurality of side acid outlet. During pickling, acid liquor can be added into the tank body through the side acid outlet pipe, so that the acid liquor is sprayed out from the bottom and the periphery of the tank body, and the stirring effect on quartz sand in the tank body is better.
According to some embodiments of the application, a top acid inlet pipe is arranged in the tank body, the top acid inlet pipe is annular, and the top end of the side acid outlet pipe is communicated with the top acid inlet pipe. Through setting up annular top and advance sour pipe, to the sour pipe supply acid of top advance can make the acidizing fluid reach every side and go out sour pipe, need not that every side goes out sour pipe and all communicates to the jar outside, rational in infrastructure compactly.
According to some embodiments of the application, the acid spraying port is provided with a nozzle, and the nozzle is in unidirectional conduction in a direction away from the acid spraying pipe. By arranging the nozzle, the acid spraying opening is closed when acid spraying is not needed, and the problems that quartz sand enters the acid spraying pipe from the acid spraying opening and the acid spraying pipe is blocked are avoided.
According to some embodiments of the application, the nozzle is detachably connected to the acid spraying pipe. This facilitates replacement of the nozzle.
According to some embodiments of the application, the area between adjacent acid injection pipes is referred to as a first area, and the nozzles are provided in the first area. Therefore, the height of the nozzle is lower, and the acid liquid sprayed by the nozzle is favorable for stirring quartz sand positioned at the bottom of the tank body.
Additional aspects and advantages of the application 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 application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of a lower acid pickling tank according to an embodiment of the present application.
Fig. 2 is a schematic perspective view of the nozzle in fig. 1.
In the accompanying drawings:
100-tank body; 110-a support; 120-a liquid outlet; 130-a sand discharge port; 210-acid spraying pipe; 220-acid supply pipe; 230-nozzle; 231-acid spraying channel; 232-flaps; 233-mounting gap; 310-side acid outlet pipe; 320-jacking an acid pipe; 410-filter cartridge.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and are not intended to indicate that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Further, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. is understood to exclude the present number, and the meaning of above, below, within, etc. is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A lower acid pickling tank according to an embodiment of the present application is described below with reference to fig. 1 and 2.
The lower acid-feeding pickling tank comprises a tank body 100, wherein a liquid outlet 120 is formed in the top of the tank body 100, the bottom of the tank body 100 is conical, a sand discharge port 130 and a liquid outlet are formed in the bottom of the tank body 100, and a filter is arranged at the liquid outlet; the bottom of the inner side of the tank body 100 is provided with an acid supply assembly, the acid supply assembly is arranged outside the sand discharge port 130 and the liquid discharge port in a surrounding manner, the acid supply assembly comprises a plurality of acid spraying pipes 210, and each acid spraying pipe 210 is provided with a plurality of acid spraying ports.
For example, as shown in fig. 1, the tank 100 is cylindrical and arranged vertically, the bottom of the tank 100 is inclined downwards from the periphery to the center, and forms a funnel shape/cone shape, and the sand discharge port 130 and the liquid discharge port are both arranged at the center of the bottom of the tank 100, that is, at the lowest position inside the tank 100; the plurality of acid spraying pipes 210 may be disposed in a zigzag manner or may be disposed radially, and the plurality of acid spraying pipes 210 are disposed around the liquid outlet and the sand discharge port 130, so that the acid liquid sprayed from the acid spraying pipes 210 can be washed in the direction of the liquid outlet and the sand discharge port 130. When in use, the sand discharge pipe is connected to the outside of the tank body 100 at the sand discharge port 130, the sand discharge pipe is connected to the outside of the tank body 100 at the liquid discharge port, the sand discharge valve is arranged on the sand discharge pipe, the liquid discharge valve is arranged on the liquid discharge pipe, and the sand discharge valve and the liquid discharge valve are closed when the pickling is performed so as to prevent quartz sand and acid liquid from being discharged; the tank body 100 can be provided with a sand inlet at the top so as to facilitate the placement of quartz sand into the tank, and the tank body 100 can be provided with a mist discharge port at the top so as to collect acid mist for unified treatment.
By arranging the acid spraying pipe 210 at the bottom of the tank body 100 and arranging the liquid outlet 120 at the top of the tank body 100, acid liquid can be supplied from the acid spraying pipe 210 into the tank body 100 during acid washing, the acid liquid flows from bottom to top and then is discharged from the liquid outlet 120, and the acid liquid discharged from the liquid outlet 120 can be recycled; the acid liquor flows from bottom to top, and has an upward scouring effect on the quartz sand, which is equivalent to an agitating effect on the quartz sand, so that the quartz sand is dispersed, the contact area of the quartz sand with the acid liquor is larger, and the acid washing effect is better. Stopping acid supply after the pickling is finished, opening a liquid discharge valve to discharge the residual acid liquid in the tank body 100 from a liquid discharge port, and opening a sand discharge valve to discharge quartz sand from a sand discharge port 130; by arranging the bottom of the tank body 100 to be cone-shaped, the acid liquor and quartz sand are favorably discharged from the acid discharge port and the sand discharge port 130 under the action of self gravity; through setting up and supplying sour subassembly ring to locate sand outlet 130 and leakage fluid dram, can follow sour subassembly and let in a small amount of acidizing fluid or water during the sand, the mobility of the quartz sand that the reinforcing is located the jar body 100 bottom, the quartz sand that is located the jar body 100 bottom is caused to flow to sand outlet 130, and then drives all quartz sand and flows to sand outlet 130, need not to let in a large amount of acidizing fluid or water and can improve sand discharging efficiency by a wide margin.
In some embodiments of the present application, the drain and the filter are collectively referred to as a drain structure, the number of drain structures being a plurality, the plurality of drain structures being disposed around the sand drain 130. The number of the liquid discharging structures can be four, the four liquid discharging structures are respectively arranged in front of, behind, left of and right of the sand discharging opening 130, the liquid discharging opening and the sand discharging opening 130 can be arranged to be level in height, and the sand discharging opening 130 can also be arranged to be lower in height than the liquid discharging opening; when the sand is discharged, the quartz sand flows along the conical tank bottom, flows to the liquid discharge structure and then flows to the sand discharge port 130, so that residual acid liquid in the quartz sand can be discharged from the liquid discharge structure, and the amount of acid liquid in the quartz sand discharged from the sand discharge port 130 is reduced, so that the subsequent quartz sand flushing process is facilitated.
In some embodiments of the application, the filter includes a filter cartridge 410, the filter cartridge 410 being disposed above the drain. The filter cartridge 410 is in a vertically arranged cylinder shape, the bottom of the filter cartridge 410 is open, the bottom edge of the filter cartridge 410 is in sealing connection with the edge of the drain outlet, and a plurality of filter holes are uniformly distributed on the side wall and the top wall of the filter cartridge 410. By arranging the filter cylinder 410 to protrude upwards from the liquid outlet, the filtering area is increased, the filtering efficiency is improved, the problem that quartz sand falls into the liquid outlet and is clamped in the liquid outlet so that the quartz sand cannot be discharged from the sand outlet 130 is avoided, and when the quartz sand flows along the bottom of the tank body 100, the quartz sand can be extruded to the two sides of the filter cylinder 410 due to the blocking of the filter cylinder 410, so that acid liquor in the quartz sand can be separated.
In some embodiments of the present application, the filter further comprises a filter cloth, which is coated on the outside of the filter cartridge 410, and which is detachably connected to the filter cartridge 410. The filter cloth can be a filter bag which is sleeved on the outer side of the filter cylinder 410 from top to bottom, and the mouth of the filter bag is connected to the bottom of the filter cylinder 410 in a sealing way in a trapping way, so that the filter bag and the filter cylinder 410 can be connected in a detachable way; this prevents quartz sand from clogging the filter cartridge 410, and the filter cloth is detachably connected to the filter cartridge 410 to facilitate replacement of the filter cloth. The top of the filter is higher than the acid spraying pipe 210, and when in acid washing, acid liquor around the filter flows upwards, which is equivalent to the flushing effect of the acid liquor on the filter cloth on the outer surface of the filter, so that quartz sand attached to the filter cloth can fall off, the filter cloth is not easy to block, the replacement frequency of the filter cloth can be reduced, and the economic benefit is improved.
In some embodiments of the present application, the acid spraying pipe 210 extends along a bus direction of the bottom of the tank body 100, the acid supply assembly includes an acid supply pipe 220, the acid supply pipe 220 is in a ring shape, and one end of the acid spraying pipe 210 is communicated with the acid supply pipe 220. The acid supply pipe 220 is close to the side wall of the tank body 100, one end of the acid spraying pipe 210, which is far away from the sand discharge port 130, is communicated with the acid supply pipe 220, one end of the acid spraying pipe 210, which is close to the sand discharge port 130, is provided with a sealing cover, and the sealing cover can be provided with a nozzle 230 so that acid can be sprayed at the sealing cover, and the sealing cover can be provided with no nozzle 230; the acid supply pipe 220 is provided with a first pipe communicated to the outside of the can body 100, the first pipe can penetrate through the side wall of the can body 100 along the radial direction of the can body 100, and the first pipe can also extend upwards to the top of the can body 100; by arranging the annular acid supply pipe 220, acid can be supplied to the acid supply pipe 220 to reach each acid spraying pipe 210, and each acid spraying pipe 210 is not required to be communicated to the outside of the tank body 100, so that the structure is reasonable and compact.
In some embodiments of the present application, a plurality of vertically disposed side acid outlet pipes 310 are disposed in the tank 100, the side acid outlet pipes 310 are disposed on the side wall of the tank 100, and each side acid outlet pipe 310 is provided with a plurality of side acid outlets. During pickling, acid liquor can be added into the tank body 100 through the side acid outlet pipe 310, so that the acid liquor is sprayed out from the bottom and the periphery of the tank body 100, and the stirring effect on quartz sand in the tank body 100 is better.
In some embodiments of the present application, a top acid inlet pipe 320 is disposed in the tank 100, the top acid inlet pipe 320 is annular, and the top end of the side acid outlet pipe 310 is communicated with the top acid inlet pipe 320. The structure of the side acid outlet pipe 310 may be identical to that of the acid spraying pipe 210, and the structure of the top acid inlet pipe 320 may be identical to that of the acid supply pipe 220. By arranging the annular acid jacking pipe 320, acid can be supplied to the acid jacking pipe 320 to reach each side acid outlet pipe 310, and each side acid outlet pipe 310 is not required to be communicated with the outside of the tank body 100, so that the structure is reasonable and compact.
In some embodiments of the present application, the acid spraying port is provided with a nozzle 230, and the nozzle 230 is unidirectionally conducted in a direction away from the acid spraying pipe 210. By arranging the nozzle 230, the acid spraying opening is not required to be closed when acid spraying is not needed, and the problems that quartz sand enters the acid spraying pipe 210 from the acid spraying opening and the acid spraying pipe 210 is blocked are avoided. A nozzle 230 may also be provided at the side acid outlet. Wherein the nozzle 230 may be a one-way valve; the nozzle 230 may also be a rubber or other elastic material member, referring to fig. 2, an acid spraying channel 231 is disposed in the nozzle 230, the acid spraying channel 231 has an acid inlet end and an acid outlet end, the acid outlet end is disposed with a plurality of flaps 232 relative to the acid inlet end, the flaps 232 are abutted to each other, the inner radial acid spraying direction of the acid outlet end is gradually reduced to be closed, and the pressure of the acid liquid can prop open the acid outlet end when the acid spraying is needed to smoothly spray the acid; the outer side of the nozzle 230 is provided with two baffle plates which are arranged at intervals along the acid spraying direction, an installation gap 233 is formed between the two baffle plates, and the edge of the acid spraying opening is arranged in the installation gap 233 during assembly, so that the connection between the nozzle 230 and the acid spraying opening is realized, and the nozzle 230 can be taken out from the acid spraying opening by extruding the nozzle 230 due to the fact that the nozzle 230 is an elastic member, so that the detachable connection between the nozzle 230 and the acid spraying opening is realized; of course, the nozzle 230 and the acid spraying port may be detachably connected by a threaded connection, a bolt connection, or other suitable means.
In some embodiments of the application, the nozzle 230 is removably coupled to the acid spray tube 210. This facilitates replacement of the nozzle 230.
In some embodiments of the present application, the area between adjacent acid injection pipes 210 is referred to as a first area, and the nozzles 230 are disposed in the first area. The nozzle 230 has a lower height, which is beneficial to stirring quartz sand at the bottom of the tank body 100 by acid liquid sprayed by the nozzle 230; similarly, the nozzles 230 at the side acid pipes 310 may be positioned between adjacent side acid pipes proximate to the side walls of the tank 100. Of course, in other embodiments of the present application, the nozzle 230 at the acid spraying pipe 210 may be disposed above the acid spraying pipe 210, and the nozzle 230 at the side acid outlet pipe 310 may be disposed at a side of the side acid outlet pipe 310 facing the axis of the tank 100.
In some embodiments of the present application, a support 110 is provided between the acid spraying pipe 210 and the bottom of the tank 100. The supporting member 110 is in a strip shape and extends along the axial direction of the acid spraying pipe 210, and the supporting member 110 is fixedly connected to the tank body 100. It should be noted that, when the nozzle 230 is disposed in the first area and is convenient for stirring the quartz sand disposed at the bottom of the tank body 100, the nozzle 230 can block the quartz sand from flowing along the bottom wall of the tank body 100 during sand discharge because the nozzle 230 is closer to the bottom wall of the tank body 100, so that the sand discharge efficiency is reduced, and the nozzle 230 is easy to loosen and damage due to larger impact force of the quartz sand on the nozzle 230; by arranging the support 110, a gap is reserved between the nozzle 230 and the bottom wall of the tank body 100, and the nozzle 230 can not block quartz sand from flowing along the bottom wall of the tank body 100 during sand discharge, so that the sand discharge efficiency is improved, and the problem that the nozzle 230 is easy to loosen and damage is avoided.
While the preferred embodiment of the present application has been illustrated and described, the present application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.

Claims (10)

1. The utility model provides a lower advance sour pickling tank which characterized in that: the sand-discharging device comprises a tank body, wherein a liquid outlet is formed in the top of the tank body, the bottom of the tank body is conical, a sand-discharging port and a liquid-discharging port are formed in the bottom of the tank body, and a filter is arranged at the liquid-discharging port; the acid supply assembly is arranged at the bottom of the inner side of the tank body, the acid supply assembly is arranged outside the sand discharge port and the liquid discharge port in a surrounding mode, the acid supply assembly comprises a plurality of acid spraying pipes, and each acid spraying pipe is provided with a plurality of acid spraying ports.
2. The lower acid pickling tank of claim 1, wherein: the liquid draining port and the filter are jointly called as liquid draining structures, the number of the liquid draining structures is multiple, and the liquid draining structures are arranged around the sand draining port.
3. The lower acid pickling tank of claim 1, wherein: the filter comprises a filter cartridge which is arranged above the liquid outlet.
4. A lower acid pickling tank according to claim 3 characterised in that: the filter also comprises filter cloth, wherein the filter cloth is coated on the outer side of the filter cylinder, and the filter cloth is detachably connected with the filter cylinder.
5. The lower acid pickling tank of claim 1, wherein: the acid spraying pipe extends along the direction of a bus at the bottom of the tank body, the acid supply assembly comprises an acid supply pipe, the acid supply pipe is annular, and one end of the acid spraying pipe is communicated with the acid supply pipe.
6. The lower acid pickling tank of claim 1, wherein: the acid tank is characterized in that a plurality of vertically arranged side acid outlet pipes are arranged in the tank body, the side acid outlet pipes are arranged on the side wall of the tank body, and each side acid outlet pipe is provided with a plurality of side acid outlets.
7. The lower acid pickling tank as claimed in claim 6, wherein: the acid jacking pipe is arranged in the tank body and is annular, and the top end of the side acid outlet pipe is communicated with the acid jacking pipe.
8. The lower acid pickling tank of claim 1, wherein: the acid spraying opening is provided with a nozzle which is conducted unidirectionally in a direction away from the acid spraying pipe.
9. The lower acid pickling tank of claim 8, wherein: the nozzle is detachably connected with the acid spraying pipe.
10. The lower acid pickling tank of claim 8, wherein: the area between adjacent acid spraying pipes is called a first area, and the nozzles are arranged in the first area.
CN202310748539.4A 2023-05-31 2023-06-21 Down acid feeding type pickling tank Pending CN116651836A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202310642534 2023-05-31
CN2023106425343 2023-05-31

Publications (1)

Publication Number Publication Date
CN116651836A true CN116651836A (en) 2023-08-29

Family

ID=87718994

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310748539.4A Pending CN116651836A (en) 2023-05-31 2023-06-21 Down acid feeding type pickling tank

Country Status (1)

Country Link
CN (1) CN116651836A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117358669A (en) * 2023-12-04 2024-01-09 佛山市塑博塑料防腐设备有限公司 Quartz sand pickling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117358669A (en) * 2023-12-04 2024-01-09 佛山市塑博塑料防腐设备有限公司 Quartz sand pickling device
CN117358669B (en) * 2023-12-04 2024-03-08 佛山市塑博塑料防腐设备有限公司 Quartz sand pickling device

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