CN215480462U - Acid liquor filtering and sludge neutralizing system - Google Patents
Acid liquor filtering and sludge neutralizing system Download PDFInfo
- Publication number
- CN215480462U CN215480462U CN202121230431.9U CN202121230431U CN215480462U CN 215480462 U CN215480462 U CN 215480462U CN 202121230431 U CN202121230431 U CN 202121230431U CN 215480462 U CN215480462 U CN 215480462U
- Authority
- CN
- China
- Prior art keywords
- acid liquor
- filter
- sludge
- liquor
- communicated
- 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.)
- Active
Links
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model provides an acid liquor filtering and sludge neutralizing system. The acid liquor filter comprises a tank body and a filter element, wherein the filter element is arranged in the tank body, the tank body is divided into a filter element inner cavity and a filter element outer cavity by the filter element, one end of a first sludge conveying pipe is communicated with a settling tank, the other end of the first sludge conveying pipe is communicated with a neutralization reaction tank, one end of a second sludge conveying pipe is communicated with the filter element outer cavity of the acid liquor filter, the other end of the second sludge conveying pipe is communicated with the neutralization reaction tank, the other end of the second sludge conveying pipe is communicated with the filter element outer cavity of the acid liquor filter, a first compressed air pipe is communicated with the filter element outer cavity of the acid liquor filter, a second compressed air pipe is communicated with the filter element inner cavity of the acid liquor filter, one end of an acid liquor backflow pipe is communicated with the filter element inner cavity of the acid liquor filter, the other end of the acid liquor backflow pipe is communicated with the settling tank, the first alkali liquor conveying pipe is communicated with the filter element inner cavity of the acid liquor filter, and the second alkali liquor conveying pipe is communicated with the neutralization reaction tank.
Description
Technical Field
The utility model relates to the technical field of acid liquor filtration and sludge neutralization, in particular to an acid liquor filtration and sludge neutralization system.
Background
In a pickling line for producing silicon steel or high-strength steel, in order to avoid blocking of pipelines or equipment of an acid circulation system by silicon-containing sludge, an online silicon removal system is usually arranged, and most of the silicon removal systems adopt a flocculation precipitation method to separate silicon-containing insoluble particles in a pickling solution. The precipitated silicon sludge has strong corrosivity due to high water content (more than 98%), and is not beneficial to subsequent transportation and treatment.
Therefore, it is necessary to develop an acid liquor filtration and sludge neutralization system for performing acid liquor filtration and sludge neutralization treatment on precipitated silica sludge so as to facilitate subsequent transportation and treatment of the sludge.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an acid liquor filtering and sludge neutralizing system to solve the problems that the existing precipitated silica sludge has strong corrosivity and is not beneficial to transportation and treatment.
In order to solve the technical problems, the utility model provides an acid liquor filtering and sludge neutralizing system, which comprises: the acid liquor filter comprises an acid liquor filter, a settling tank, a neutralization reaction tank, a sludge pump, a first sludge conveying pipe, a second sludge conveying pipe, a slag discharge pipe, a first compressed air pipe, a second compressed air pipe, an acid liquor return pipe, a first alkali liquor conveying pipe and a second alkali liquor conveying pipe, wherein the acid liquor filter comprises a tank body and a filter element, the filter element is arranged in the tank body, the tank body is divided into a filter element inner cavity and a filter element outer cavity by the filter element, one end of the first sludge conveying pipe is communicated with the settling tank, the other end of the first sludge conveying pipe is communicated with the neutralization reaction tank, one end of the second sludge conveying pipe is communicated with the neutralization reaction tank, the other end of the second sludge conveying pipe is communicated with the filter element outer cavity of the acid liquor filter, the sludge pump is arranged on the second sludge conveying pipe, one end of the slag discharge pipe is communicated with the filter element outer cavity of the acid liquor filter, and the other end of the slag discharge pipe is communicated with the neutralization reaction tank, the first compressed air pipe is communicated with the outer cavity of the filter element of the acid liquor filter, the second compressed air pipe is communicated with the inner cavity of the filter element of the acid liquor filter, one end of the acid liquor backflow pipe is communicated with the inner cavity of the filter element of the acid liquor filter, the other end of the acid liquor backflow pipe is communicated with the settling tank, the first alkali liquor conveying pipe is communicated with the inner cavity of the filter element of the acid liquor filter, and the second alkali liquor conveying pipe is communicated with the neutralization reaction tank.
Optionally, the tank body of the acid liquor filter is made of corrosion-resistant materials, or is made of steel and is subjected to plastic coating treatment on the inner wall of the tank body.
Optionally, the acid liquor filtering machine further comprises a pressure sensor arranged in the acid liquor filtering machine, and the pressure sensor is used for monitoring the pressure in the acid liquor filtering machine.
Optionally, the acid liquor filtering machine further comprises a liquid level sensor arranged in the acid liquor filtering machine, wherein the liquid level sensor is used for monitoring the liquid level in the acid liquor filtering machine.
Optionally, the acid-containing sludge neutralization reaction tank further comprises a stirrer, wherein the stirrer is arranged in the neutralization reaction tank and is used for stirring and mixing the acid-containing sludge and the alkali liquor.
Optionally, still include the PH monitor with automatic valve is thrown to alkali lye, the PH monitor sets up in the neutralization reaction jar, alkali lye is thrown automatic valve setting and is in on the second alkali lye conveyer pipe, the PH monitor with automatic valve interlocking is thrown to alkali lye to realize that alkali lye throws the automatic control of volume of adding.
Optionally, the neutralization reaction tank further comprises a liquid level meter, the liquid level meter is arranged in the neutralization reaction tank, and the liquid level meter is used for monitoring the height of the liquid level in the neutralization reaction tank.
Optionally, the sludge pump is a diaphragm pump or a centrifugal pump.
Optionally, the alkali washing device further comprises a filter alkali washing control valve, wherein the filter alkali washing control valve is arranged on the first alkali liquor conveying pipe and used for controlling the conduction and the closing of the first alkali liquor conveying pipe.
Optionally, the acid recycling device further comprises a filter acid recycling control valve, wherein the filter acid recycling control valve is arranged on the acid liquid recycling pipe and used for controlling the connection and the disconnection of the acid liquid recycling pipe.
The acid liquor filtering and sludge neutralizing system provided by the utility model has the following beneficial effects:
firstly, by arranging the acid liquor filter and the acid liquor return pipe, one end of the acid liquor return pipe is communicated with the inner cavity of the filter element of the acid liquor filter, and the other end of the acid liquor return pipe is communicated with the settling tank, the acid liquor generated after being filtered by the acid liquor filter can be returned to the settling tank, so that the filtering of the acid liquor is realized, the acid liquor in sludge is recovered, the water content of the sludge is reduced, the treatment load of subsequent treatment equipment is reduced, the volume of the acid-containing sludge treated by the filter can be reduced, the consumption of neutralizing alkali liquor can be saved, and the production cost can be reduced.
Secondly, conveying alkali liquor to the acid liquor filter through the first alkali liquor conveying pipe, and conveying alkali liquor to the neutralization reaction tank through the second alkali liquor conveying pipe, so that neutralization of acid liquor is realized, corrosivity of sludge treated by the acid liquor filtering and sludge neutralizing system can be remarkably reduced, and subsequent treatment and transportation are facilitated.
Secondly, through first compressed air pipe with the filter core exocoel intercommunication of acidizing fluid filter, accessible compressed air blows gas to the filter core inner chamber from the filter core exocoel to realize the reverse washing to the filter core, through second compressed air pipe with the filter core inner chamber intercommunication of acidizing fluid filter, accessible compressed air blows gas to the filter core exocoel from the filter core inner chamber, thereby realizes the forward washing to the filter core, consequently accessible compressed air carries out forward washing and reverse washing to the filter core, thereby clears away the mud on the filter core, can further improve the filterable effect of acidizing fluid, and prolonged the life cycle of filter core, can practice thrift turnover spare part expense.
Drawings
FIG. 1 is a schematic diagram of an acid liquor filtration and sludge neutralization system in an embodiment of the present invention.
Description of reference numerals:
110-a settling tank; 120-neutralization reaction tank; 130-acid liquor filter; 140-sludge pump; 150-a first sludge conveying pipe; 160-a second sludge conveying pipe; 170-a slag discharge pipe; 180-a first compressed air pipe; 190-a second compressed air pipe; 200-acid liquor reflux pipe; 210-a first alkali liquor conveying pipe; 220-a second lye delivery pipe; 230-a pressure sensor; 240-liquid level sensor; 250-a stirrer; 260-automatic valve for adding alkali liquor; 270-a liquid level meter; 280-filter acid supply control valve; 290-filter alkaline flushing control valve; 300-acid return control valve of the filter; 310-compressed air positive blow control valve; 320-positive check valve; 330-compressed air back-blowing control valve; 340-reverse check valve; 350-a filter deslagging control valve; 360-acid-containing sludge discharge valve.
Detailed Description
The acid liquor filtration and sludge neutralization system provided by the utility model is further described in detail with reference to the accompanying drawings and specific examples. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of an acid liquid filtering and sludge neutralizing system according to an embodiment of the present invention, where the embodiment provides an acid liquid filtering and sludge neutralizing system, including: the system comprises a settling tank 110, a neutralization reaction tank 120, an acid liquor filter 130, a sludge pump 140, a first sludge delivery pipe 150, a second sludge delivery pipe 160, a slag discharge pipe 170, a first compressed air pipe 180, a second compressed air pipe 190, an acid liquor return pipe 200, a first alkali liquor delivery pipe 210 and a second alkali liquor delivery pipe 220.
The acid liquor filter 130 comprises a tank body and a filter element, the filter element is arranged in the tank body, the tank body is divided into a filter element inner cavity and a filter element outer cavity by the filter element,
one end of the first sludge transfer pipe 150 is communicated with the settling tank 110, and the other end is communicated with the neutralization reaction tank 120,
one end of the second sludge conveying pipe 160 is communicated with the neutralization reaction tank 120, the other end is communicated with the outer cavity of the filter element of the acid liquor filter 130,
the sludge pump 140 is provided on the second sludge transporting pipe 160,
one end of the slag discharge pipe 170 is communicated with the outer cavity of the filter element of the acid liquor filter 130, the other end of the slag discharge pipe 170 is communicated with the neutralization reaction tank 120,
the first compressed air pipe 180 is communicated with the outer cavity of the filter element of the acid liquid filter 130,
the second compressed air pipe 190 is communicated with the inner cavity of the filter element of the acid liquid filter 130,
one end of the acid liquor return pipe 200 is communicated with the inner cavity of the filter element of the acid liquor filter 130, the other end is communicated with the settling tank 110,
the first alkali liquor delivery pipe 210 is communicated with the inner cavity of the filter element of the acid liquor filter 130,
the second lye delivery pipe 220 is communicated with the neutralization reaction tank 120.
By arranging the acid liquor filter 130 and the acid liquor return pipe 200, one end of the acid liquor return pipe 200 is communicated with the inner cavity of the filter element of the acid liquor filter 130, and the other end of the acid liquor return pipe is communicated with the settling tank 110, the acid liquor generated after being filtered by the acid liquor filter 130 can be returned to the settling tank 110, so that the acid liquor in the sludge is filtered, the water content of the sludge is reduced, the treatment load of subsequent treatment equipment is reduced, the volume of the acid-containing sludge after being treated by the filter can be reduced, the consumption of neutralizing alkali liquor can be saved, and the production cost can be reduced. The alkali liquor is delivered to the acid liquor filter 130 through the first alkali liquor delivery pipe 210, and the alkali liquor is delivered to the neutralization reaction tank 120 through the second alkali liquor delivery pipe 220, so that neutralization of the acid liquor is realized, and thus corrosivity of the sludge treated by the acid liquor filtering and sludge neutralizing system can be remarkably reduced, and subsequent treatment and transportation are facilitated. And, through the first compressed air pipe 180 with the filter core exocoel intercommunication of acidizing fluid filter 130, can blow gas from the filter core exocoel to the filter core inner chamber through compressed air, thereby realize the reverse washing to the filter core, through the second compressed air pipe 190 with the filter core inner chamber intercommunication of acidizing fluid filter 130, can blow gas from the filter core inner chamber to the filter core exocoel through compressed air, thereby realize the forward washing to the filter core, consequently, can carry out forward washing and reverse washing to the filter core through compressed air, thereby clear away the mud on the filter core, can further improve acidizing fluid filtering's effect, and prolonged the life cycle of filter core, can practice thrift the turnover spare part expense.
The filter element is arranged at the top of the tank body, one side of the tank body close to the top of the tank body is a filter element inner cavity, and one side of the tank body close to the bottom of the tank body is a filter element outer cavity.
The acid liquor filter 130 comprises a first pipe orifice which is arranged on the tank body and communicated with the inner cavity of the filter element, and the second compressed air pipe 190, the acid liquor return pipe 200 and the first alkali liquor delivery pipe 210 are communicated with the inner cavity of the filter element through the first pipe orifice.
The bottom of the tank body of the acid liquor filter 130 is provided with a slag discharge port, and one end of the slag discharge pipe 170 is communicated with the slag discharge port.
The tank body of the acid liquid filter 130 can be made of corrosion-resistant materials, or made of steel and coated on the inner wall of the tank body.
The acid liquor filtering and sludge neutralizing system further comprises a pressure sensor 230 arranged in the acid liquor filtering machine 130, wherein the pressure sensor 230 is used for monitoring the pressure in the acid liquor filtering machine 130.
The acid liquor filtering and sludge neutralizing system further comprises a liquid level sensor 240 arranged in the acid liquor filtering machine 130, wherein the liquid level sensor 240 is used for monitoring the liquid level in the acid liquor filtering machine 130.
The acid liquor filtering and sludge neutralizing system further comprises a stirrer 250, wherein the stirrer 250 is arranged in the neutralization reaction tank 120, and the stirrer 250 is used for stirring and mixing acid-containing sludge and alkali liquor.
The acidizing fluid filters and mud neutralization system still includes the PH monitor with automatic valve 260 is thrown to alkali lye, the PH monitor sets up in the neutralization reaction jar 120, the alkali lye is thrown automatic valve 260 and is set up on the second alkali lye conveyer pipe 220, the PH monitor with automatic valve 260 interlocking is thrown to alkali lye to realize that alkali lye throws the automatic control of volume of adding.
The acid liquor filtering and sludge neutralizing system further comprises a liquid level meter 270, wherein the liquid level meter 270 is arranged in the neutralization reaction tank 120, and the liquid level meter 270 is used for monitoring the height of the liquid level in the neutralization reaction tank 120. Preferably, the level gauge 270 is interlocked with the agitator 250 and the sludge pump 140 to automatically control the liquid level in the neutralization reaction tank 120.
The sludge pump 140 is preferably a diaphragm pump or a centrifugal pump.
The acid liquor filtering and sludge neutralizing system further comprises a filter acid supply control valve 280, wherein the filter acid supply control valve 280 is arranged on the second sludge conveying pipe 160 and is used for controlling the second sludge conveying pipe 160 to be communicated and closed.
The acid liquor filtering and sludge neutralizing system further comprises a filter alkali flushing control valve 290, wherein the filter alkali flushing control valve 290 is arranged on the first alkali liquor conveying pipe 210 and is used for controlling the conduction and the closing of the first alkali liquor conveying pipe 210.
The acid liquor filtering and sludge neutralizing system further comprises a filter acid return control valve 300, wherein the filter acid return control valve 300 is arranged on the acid liquor return pipe 200 and is used for controlling the connection and the closing of the acid liquor return pipe 200.
The acid liquor filtering and sludge neutralizing system further comprises a compressed air forward blowing control valve 310, wherein the compressed air forward blowing control valve 310 is arranged on the second compressed air pipe 190 and used for controlling the conduction and the closing of the second compressed air pipe 190.
The acid liquor filtering and sludge neutralizing system further comprises a forward check valve 320, wherein the forward check valve 320 is arranged on the second compressed air pipe 190 and is positioned between the acid liquor filter 130 and the compressed air forward blowing control valve 310.
The acid liquor filtering and sludge neutralizing system further comprises a compressed air blowback control valve 330, wherein the compressed air blowback control valve 330 is arranged on the first compressed air pipe 180 and used for controlling the connection and the closure of the first compressed air pipe 180.
The acid liquor filtering and sludge neutralizing system further comprises a reverse check valve 340, wherein the reverse check valve 340 is arranged on the first compressed air pipe 180 and is positioned between the acid liquor filtering machine 130 and the compressed air reverse blowing control valve 330.
The acid liquor filtering and sludge neutralizing system further comprises a filter deslagging control valve 350, wherein the filter deslagging control valve 350 is arranged on the deslagging pipe 170 and used for controlling the conduction and the closing of the deslagging pipe 170.
The acid liquor filtering and sludge neutralizing system further comprises an acid-containing sludge discharge valve 360, wherein the acid-containing sludge discharge valve 360 is arranged on the first sludge conveying pipe 150 and used for controlling the first sludge conveying pipe 150 to be communicated and closed.
The working process of the acid liquor filtering and sludge neutralizing system in the embodiment is as follows:
first, the acid-containing sludge to be treated, which is precipitated by the precipitation tank 110, is discharged to the neutralization reaction tank 120.
Then, the sludge in the neutralization reaction tank 120 is pumped to the acid liquid filter 130 by the sludge pump 140 for circulation filtration.
Then, the filtered acid solution flows back to the settling tank 110, the sludge is intercepted in the acid solution filter 130, and after the filtration is finished, the concentrated sludge is discharged into the neutralization reaction tank 120 through a slag discharge port at the bottom of the acid solution filter 130.
Then, the filter deslagging control valve 350 and the filter acid supply control valve 280 are closed, the acid liquor filter 130 is back-flushed by the alkali liquor to be neutralized, and the alkali liquor flushing is stopped after the filter is filled with about 70% -90% of the alkali liquor.
And then, the filter element is washed alternately by using compressed air, solid particle impurities attached to the outer surface of the filter element are washed off by alternately washing the filter element by using alkali liquor and the compressed air, and compressed air blowing is stopped.
Then, the filter deslagging control valve 350 is opened, the solid impurities and the cleaned alkali liquor in the filter are discharged to the neutralization reaction tank 120 together, and the amount of the alkali liquor added to the neutralization reaction tank 120 is determined according to the monitoring result of the PH meter in the neutralization reaction tank 120 until the sludge in the neutralization reaction tank 120 is completely neutralized.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. An acid liquor filtering and sludge neutralizing system, comprising: an acid liquor filter, a sedimentation tank, a neutralization reaction tank, a sludge pump, a first sludge conveying pipe, a second sludge conveying pipe, a slag discharge pipe, a first compressed air pipe, a second compressed air pipe, an acid liquor return pipe, a first alkali liquor conveying pipe and a second alkali liquor conveying pipe,
the acid liquor filter comprises a tank body and a filter element, the filter element is arranged in the tank body, the tank body is divided into a filter element inner cavity and a filter element outer cavity by the filter element,
one end of the first sludge conveying pipe is communicated with the sedimentation tank, the other end of the first sludge conveying pipe is communicated with the neutralization reaction tank,
one end of the second sludge conveying pipe is communicated with the neutralization reaction tank, the other end of the second sludge conveying pipe is communicated with the outer cavity of the filter element of the acid liquor filter,
the sludge pump is arranged on the second sludge conveying pipe,
one end of the slag discharge pipe is communicated with the outer cavity of the filter element of the acid liquor filter, the other end of the slag discharge pipe is communicated with the neutralization reaction tank,
the first compressed air pipe is communicated with the outer cavity of the filter element of the acid liquor filter,
the second compressed air pipe is communicated with the inner cavity of the filter element of the acid liquor filter,
one end of the acid liquor return pipe is communicated with the inner cavity of the filter element of the acid liquor filter, the other end of the acid liquor return pipe is communicated with the settling tank,
the first alkali liquor conveying pipe is communicated with the inner cavity of the filter element of the acid liquor filter,
and the second alkali liquor conveying pipe is communicated with the neutralization reaction tank.
2. The acid liquor filtration and sludge neutralization system of claim 1 wherein the acid liquor filter tank is made of corrosion resistant material or made of steel and is plastic coated on the inner wall of the tank.
3. The acid liquor filtration and sludge neutralization system of claim 1 further comprising a pressure sensor disposed in the acid liquor filter for monitoring the pressure within the acid liquor filter.
4. The acid liquor filtration and sludge neutralization system of claim 1 further comprising a liquid level sensor disposed in the acid liquor filter for monitoring a liquid level within the acid liquor filter.
5. The acid liquor filtration and sludge neutralization system of claim 1 further comprising an agitator disposed in the neutralization reaction tank for agitating and mixing the acid-containing sludge and the alkaline liquor.
6. The acid liquor filtering and sludge neutralizing system according to claim 1, further comprising a PH monitor and an alkali liquor adding automatic valve, wherein the PH monitor is disposed in the neutralization reaction tank, the alkali liquor adding automatic valve is disposed on the second alkali liquor conveying pipe, and the PH monitor and the alkali liquor adding automatic valve are interlocked to realize automatic control of alkali liquor adding amount.
7. The acid liquor filtration and sludge neutralization system of claim 1 further comprising a level gauge disposed within the neutralization reaction tank, the level gauge for monitoring the level of the liquid within the neutralization reaction tank.
8. The acid liquor filtration and sludge neutralization system of claim 1 wherein the sludge pump is a diaphragm pump or a centrifugal pump.
9. The acid liquor filtering and sludge neutralizing system of claim 1 further comprising a filter alkaline flush control valve disposed on said first alkaline liquor delivery pipe for controlling the opening and closing of said first alkaline liquor delivery pipe.
10. The acid liquor filtration and sludge neutralization system of claim 1 further comprising a filter acid return control valve disposed on the acid liquor return line for controlling the opening and closing of the acid liquor return line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121230431.9U CN215480462U (en) | 2021-06-03 | 2021-06-03 | Acid liquor filtering and sludge neutralizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121230431.9U CN215480462U (en) | 2021-06-03 | 2021-06-03 | Acid liquor filtering and sludge neutralizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215480462U true CN215480462U (en) | 2022-01-11 |
Family
ID=79782464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121230431.9U Active CN215480462U (en) | 2021-06-03 | 2021-06-03 | Acid liquor filtering and sludge neutralizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215480462U (en) |
-
2021
- 2021-06-03 CN CN202121230431.9U patent/CN215480462U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104591518A (en) | Sludge deep treatment equipment | |
| CN215480462U (en) | Acid liquor filtering and sludge neutralizing system | |
| CN203382592U (en) | Acidic ion-containing waste water resource recycling treatment system | |
| CN205501073U (en) | Papermaking wastewater treatment system | |
| CN207552063U (en) | A kind of waste water treatment system | |
| CN207108517U (en) | A kind of pyrite slag prepares the device of polymerization iron sulfate water-purifying agent | |
| CN210506015U (en) | Semiconductor material grinding wastewater sludge treatment system | |
| CN212740984U (en) | Integrated coagulation air floatation sewage treatment device | |
| CN210974194U (en) | Comprehensive utilization system for phosphogypsum backwater | |
| CN109368844A (en) | A kind of washed-out sand waste water treatment system | |
| CN104609522B (en) | A kind of batch-type dense media flocculation sediment water treatment facilities | |
| CN217458948U (en) | Multistage efficient coagulating sedimentation integrated device | |
| CN210473839U (en) | Anti-blocking and anti-scaling lime solution preparation device | |
| CN212559499U (en) | Simple sewage clarifying device | |
| CN211971959U (en) | Lactic acid waste liquid treatment retrieval and utilization device | |
| CN110950452A (en) | Titanium white powder waste water treatment recovery unit | |
| CN205635183U (en) | Cyanide wastewater breaks cyanogen reaction tank | |
| CN112978969A (en) | Automatic treatment method for pipe vacuum heat treatment wastewater | |
| CN213895459U (en) | Casting waste water recycling system | |
| CN219058570U (en) | Automatic all-in-one of surface treatment waste water aeration | |
| CN219526448U (en) | Laboratory sewage treatment ware | |
| CN215667445U (en) | Pickling wastewater treatment device for seamless steel pipe production | |
| CN215798660U (en) | PAM pipeline normal water cleaning device | |
| CN209205957U (en) | Pipeline chemical cleaning vehicle | |
| CN219128942U (en) | Anode mud uniform stirring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |