CN219585956U - A dirty silt treatment facility for hydraulic engineering - Google Patents

A dirty silt treatment facility for hydraulic engineering Download PDF

Info

Publication number
CN219585956U
CN219585956U CN202322036462.6U CN202322036462U CN219585956U CN 219585956 U CN219585956 U CN 219585956U CN 202322036462 U CN202322036462 U CN 202322036462U CN 219585956 U CN219585956 U CN 219585956U
Authority
CN
China
Prior art keywords
sludge
rotating shaft
transmission
hydraulic engineering
conveying pipe
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
Application number
CN202322036462.6U
Other languages
Chinese (zh)
Inventor
车进福
朱振
杨前程
邹福琛
张婕
齐成新
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.)
Mouping Management Station Of Shandong Provincial Water Diversion Project Operation And Maintenance Center
Original Assignee
Mouping Management Station Of Shandong Provincial Water Diversion Project Operation And Maintenance Center
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 Mouping Management Station Of Shandong Provincial Water Diversion Project Operation And Maintenance Center filed Critical Mouping Management Station Of Shandong Provincial Water Diversion Project Operation And Maintenance Center
Priority to CN202322036462.6U priority Critical patent/CN219585956U/en
Application granted granted Critical
Publication of CN219585956U publication Critical patent/CN219585956U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Treatment Of Sludge (AREA)

Abstract

The utility model provides a sewage sludge treatment device for hydraulic engineering, which comprises: the device comprises a treatment tank, a curing agent adding mechanism and a sludge conveying device, wherein the sludge conveying device comprises a conveying pipe, a feeding pipe, a rotating shaft and a spiral stirring piece, and the curing agent adding mechanism comprises a storage tank, a cylindrical part, a rotating shaft, a first driving device and a plurality of feeding impellers. According to the sewage sludge treatment equipment for the hydraulic engineering, the first driving device drives the feeding impeller to rotate, the solidifying agent in the storage tank is quantitatively fed into the sludge entering the feeding pipe, the motor drives the rotating shaft to rotate, so that the spiral stirring piece is driven to rotate, the sludge is stirred to fully mix the solidifying agent and the sludge, meanwhile, the spiral stirring piece conveys the sludge into the treatment tank, the solidifying agent is quantitatively added to mix the sludge in the treatment tank during conveying, the mixing effect is improved, and the treatment speed is increased.

Description

A dirty silt treatment facility for hydraulic engineering
Technical Field
The utility model relates to the field of sludge treatment, in particular to sludge treatment equipment for hydraulic engineering.
Background
The dredging of river channel can effectively remove the pollution of river channel sediment, improve water environment, enlarge water cross section and improve drainage capacity.
The current method for river sludge treatment comprises the following steps: adding a curing agent into the sludge to change saturated free water in the sludge into crystal water or water ions combined with soil particles, enabling the curing agent and the water to react to generate Ca (OH) 2 products, enabling the Ca (OH) 2 products to react with the clay particles in an ion exchange mode, adsorbing the Ca (OH) 2 products among the clay particles to form a cured product, finally enabling the free water in the sludge to be reduced and slightly increased, fully stirring the sludge added with the curing agent through a stirring device, conveying the sludge to a sedimentation tank through a sludge pump to carry out sedimentation after the curing treatment is completed, pumping accumulated water out, and carrying out filter pressing treatment through filter pressing equipment.
At present, when the curing agent is added to treat sludge, the curing agent is added into the treatment tank, and then the treatment tank is stirred by the stirring device, so that the amount of sludge in the treatment tank is large, the load generated when the stirring device works is large, and the mixing effect of the curing agent and the sludge is poor.
Disclosure of Invention
The utility model provides a sewage sludge treatment device for hydraulic engineering, which is used for solving the problems of more sludge in a treatment tank, long mixing time of a curing agent and sludge and poor mixing effect.
In order to solve the technical problems, the utility model provides a sewage sludge treatment device for hydraulic engineering, comprising: a treatment pool;
the sludge conveying device comprises a conveying pipe, a feeding pipe, a rotating shaft and a spiral stirring piece, wherein the feeding pipe is communicated with the top of one end of the conveying pipe, the rotating shaft is rotatably installed in the conveying pipe, one end of the rotating shaft penetrates through the conveying pipe, the spiral stirring piece is fixedly installed on the rotating shaft and is positioned in the conveying pipe, and the conveying pipe is suspended above the treatment pool;
the motor is arranged at one end of the treatment tank through a mounting frame, and an output shaft of the motor is in transmission connection with one end of the rotating shaft through a transmission arm;
further comprises:
the curing agent adding mechanism comprises a storage tank, a cylindrical portion, a rotating shaft, a first driving device and a plurality of feeding impellers, one side of the cylindrical portion is communicated with the output end of the storage tank, the other side of the cylindrical portion is communicated with the feeding pipe, one end of the rotating shaft is rotatably arranged in the cylindrical portion in a penetrating mode, the other end of the rotating shaft is provided with the first driving device, and the feeding impellers are fixedly connected to the rotating shaft in a surrounding mode and located in the cylindrical portion in a surrounding mode, and the first driving device is used for driving the rotating shaft to rotate.
Preferably, the first driving device is a first transmission member, and the first transmission member is in transmission connection with the rotating shaft and the rotating shaft.
Preferably, the first transmission member is a belt transmission mechanism.
Preferably, one end of the conveying pipe is arranged on the mounting frame through a bracket, and the other end of the conveying pipe is arranged above the treatment pool through a bracket.
Preferably, the carding device comprises a screw rod, a connecting plate, a second driving device, a sliding rod and a plurality of carding rods, wherein one end of the connecting plate is in threaded connection with the screw rod, the other end of the connecting plate is slidably sleeved outside the sliding rod, the carding rods are equidistantly arranged at the bottom of the connecting plate, the second driving device is used for driving the screw rod to rotate, the screw rod is rotatably arranged at one side of the processing tank, and the sliding rod is arranged at the other side of the processing tank.
Preferably, the second driving device is a second driving part, the driving arm comprises a driving shaft, a square rod and a rectangular block, the rectangular block is arranged at one end of the square rod away from the motor, the driving shaft is slidably inserted between the output shaft of the motor and the rotating shaft, a square groove is formed at one end of the rotating shaft, a square cavity is formed in the output shaft of the motor, a square hole is formed in the driving arm in a penetrating mode, the rectangular block is slidably inserted into the square groove, one end of the square rod is inserted into the square cavity after penetrating through the square hole, and the driving shaft is in transmission connection with the screw rod through the second driving part.
Preferably, bearing seats are arranged at two ends of the transmission shaft, and the bearing seats are arranged on the mounting frame through connecting frames.
Compared with the related art, the sewage sludge treatment equipment for the hydraulic engineering has the following beneficial effects:
the utility model provides a sewage sludge treatment device for hydraulic engineering, when in use, sludge to be treated is pumped into a conveying pipe through a feed pipe by a sludge pump, in the process, a first driving device drives a feed impeller to rotate, a curing agent in a storage tank is quantitatively fed into the sludge in the feed pipe, a motor drives a rotating shaft to rotate, so that a spiral stirring piece is driven to rotate, the sludge is stirred to fully mix the curing agent with the sludge, meanwhile, the spiral stirring piece conveys the sludge into a treatment tank, and the curing agent is quantitatively added to be mixed with the sludge in the treatment tank, so that the mixing of the sludge in the treatment tank with the curing agent is avoided, the mixing effect is improved, and the treatment speed is accelerated.
Drawings
FIG. 1 is a schematic view of a sewage treatment apparatus for hydraulic engineering according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the sewage treatment apparatus for hydraulic engineering shown in FIG. 1 from another perspective;
FIG. 3 is a cross-sectional view of a partial structure of the curing agent adding mechanism;
FIG. 4 is an enlarged schematic view of portion A of FIG. 1;
fig. 5 is a structural cross-sectional view of the actuator arm.
Reference numerals in the drawings:
1. a treatment pool;
2. the sludge conveying device 21, a conveying pipe 22, a feeding pipe 23, a rotating shaft 24, a spiral stirring piece 231 and a square groove;
3. a motor 31 and a square cavity;
4. a mounting frame;
5. the curing agent feeding mechanism comprises a curing agent feeding mechanism 51, a storage tank 52, a cylindrical part 53, a rotating shaft 54, a first driving device 55 and a feeding impeller;
6. carding device 61, screw rod 62, connecting plate 63, carding rod 64, second driving device 65, slide bar;
7. the driving arm, 71, the driving shaft, 72, the square rod, 73, the rectangular block, 711 and the square hole.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to 3 in combination, a sludge treatment apparatus for hydraulic engineering includes: a treatment tank 1;
the sludge conveying device 2 comprises a conveying pipe 21, a feeding pipe 22, a rotating shaft 23 and a spiral stirring piece 24, wherein the feeding pipe 22 is communicated with the top of one end of the conveying pipe 21, the rotating shaft 23 is rotatably installed in the conveying pipe 21, one end of the rotating shaft 23 penetrates through the conveying pipe 21, the spiral stirring piece 24 is fixedly installed on the rotating shaft 23 and is positioned in the conveying pipe 21, and the conveying pipe 21 is suspended above the treatment tank 1;
the motor 3 is arranged at one end of the treatment tank 1 through a mounting frame 4, and an output shaft of the motor 3 is in transmission connection with one end of the rotating shaft 23 through a transmission arm 7;
further comprises:
the curing agent adding mechanism 5, curing agent adding mechanism 5 includes storage jar 51, cylindricality portion 52, rotation axis 53, first drive arrangement 54 and a plurality of pay-off impeller 55, cylindricality portion 52 one side with the output intercommunication of storage jar 51, cylindricality portion 52 the opposite side with inlet pipe 22 intercommunication, the one end rotation of rotation axis 53 wears to locate cylindricality portion 52's inside, and the other end is provided with first drive arrangement, a plurality of pay-off impeller 55 encircle fixed connection in on the rotation axis 53 and be located cylindricality portion 52's inside, first drive arrangement 54 is used for driving rotation axis 53 rotation.
When the device is used, the feeding pipe 22 is connected with the output end of the sludge pump through a pipeline, the sludge pump pumps sludge to be treated into the conveying pipe 21 through the feeding pipe 22, in the process, the first driving device 54 drives the feeding impeller 55 to rotate, the curing agent in the storage tank 51 is quantitatively fed into the sludge in the feeding pipe 22, the motor 3 drives the rotating shaft 23 to rotate, thereby driving the spiral stirring piece 24 to rotate, stirring the sludge to fully mix the curing agent with the sludge, meanwhile, the spiral stirring piece 24 conveys the sludge into the treatment tank 1, and the curing agent and the sludge are quantitatively added to be mixed in the conveying process, so that the mixing effect of the sludge in the same tank and the curing agent is avoided, and the treatment speed is accelerated.
Wherein, the one end that conveyer pipe 21 kept away from inlet pipe 22 stretches to the centre of handling pond 1 to make the direct discharge of mud to the centre of handling pond 1, be convenient for follow-up with smooth laying of mud in handling pond 1, and mud can be through spiral stirring piece 24 stirring transport a distance, guarantee the intensive mixing of curing agent and mud.
The top end of the storage tank 51 is provided with a charging port, a sealing cover is arranged in a threaded manner, and charging is facilitated by opening the sealing cover, wherein the amount of the curing agent added into the storage tank 51 is correspondingly arranged in proportion to the amount of the sludge added into the treatment tank 1; a feeding cavity is formed between adjacent feeding impellers 55, and the rotating shaft 53 rotates to drive the feeding impellers 55 to rotate, so that the curing agent entering the feeding cavity quantitatively enters the sludge, and the rotating speed of the rotating shaft 53 is correspondingly regulated according to the flow rate of the sludge discharge, so that the curing agent can be uniformly added into the sludge.
Referring to fig. 1 and 4, in the present embodiment, the first driving device 54 is a first transmission member, and the first transmission member is in transmission connection with the rotating shaft 23 and the rotating shaft 53.
By setting the first driving device 54 as a first transmission part, when the motor 3 drives the rotating shaft 23 to rotate, the first transmission part drives the rotating shaft 53 to rotate, so that the feeding impeller 55 is driven to rotate, the curing agent is fed into the sludge, and equipment such as a driving motor and the like is not required to be additionally arranged;
of course, in other embodiments, a driving motor may be provided and mounted on the cylindrical portion 52 through a fixing frame, and an output shaft of the driving motor is connected to the rotation shaft 53.
In one embodiment, the first transmission member is a belt transmission mechanism.
That is, the first transmission member includes a belt and two pulleys, which are fixedly installed on the rotation shaft 23 and the rotation shaft 53, and which are connected by the belt transmission.
In another embodiment, the first transmission member is a gear and toothed belt structure.
Correspondingly comprises two gears which are respectively and fixedly arranged on the rotating shaft 23 and the rotating shaft 53 and are connected through a toothed belt in a transmission way.
Referring again to fig. 1 and 2, one end of the conveying pipe 21 is mounted on the mounting frame 4 through a bracket, and the other end of the conveying pipe 21 is mounted above the treatment tank 1 through a bracket.
By supporting both ends of the transfer pipe 21, the transfer pipe 21 can stably transfer sludge.
Referring to fig. 1 and 2 again, the processing tank 1 is provided with a carding device 6, the carding device 6 includes a screw rod 61, a connecting plate 62, a second driving device 64, a sliding rod 65 and a plurality of carding rods 63, one end of the connecting plate 62 is in threaded connection with the screw rod 61, the other end of the connecting plate 62 is slidably sleeved outside the sliding rod 65, the plurality of carding rods 63 are equidistantly installed at the bottom of the connecting plate 62, the second driving device 64 is used for driving the screw rod 61 to rotate, the screw rod 61 is rotatably installed at one side of the processing tank 1, and the sliding rod 65 is installed at the other side of the processing tank 1.
Through setting up carding unit 6, pile up behind in processing tank 1 when mud, can drive screw 61 through second drive arrangement 64 and rotate clockwise or anticlockwise this moment to can drive connecting plate 62 along processing tank 1 reciprocating motion, a plurality of carding bars 63 reciprocal promotion piled up mud makes mud can be more even be located processing tank 1, and promotes the carding to mud through carding bar 63, can assist to mix mud and curing agent, improves the mixing effect.
Referring to fig. 4 and 5, in this embodiment, the second driving device 64 is a second driving member, the driving arm 7 includes a driving shaft 71, a square rod 72 and a rectangular block 73, the rectangular block 73 is disposed at one end of the square rod 72 away from the motor 3, the driving shaft 71 is slidably inserted between the output shaft of the motor 3 and the rotating shaft 23, a square groove 231 is formed at one end of the rotating shaft 23, a square cavity 31 is formed on the output shaft of the motor 3, a square hole 711 is formed in the driving arm 7 in a penetrating manner, the rectangular block 73 is slidably inserted into the square groove 231, one end of the square rod 72 is inserted into the square cavity 31 after penetrating through the square hole 711, and the driving shaft 71 is in driving connection with the screw 61 through the second driving member.
When the sludge is accumulated in the treatment tank 1, the motor 3 stops at the moment, the square rod 72 is pushed, the rectangular block 73 is moved out of the square groove 231 at the end part of the rotating shaft 23, the rectangular block 73 is inserted into the square hole 711, one end of the square rod 72 positioned in the square cavity 31 is continuously inserted into the square cavity 31, at the moment, when the motor 3 is started again, the motor 3 drives the square rod 72 to rotate, the square rod 72 drives the transmission shaft 71 to rotate through the rectangular block 73, the transmission shaft 71 drives the screw rod 61 to rotate through the second transmission piece, namely, the motor 3 rotates clockwise or anticlockwise, the screw rod 61 is driven to rotate clockwise or anticlockwise, and the connection plate 62 drives the carding rod 63 to reciprocate along the treatment tank 1, so that the screw rod 61 is not required to be driven to rotate by a driving motor additionally;
wherein the second transmission piece and the first transmission piece are arranged in the same way;
the cross section of the square rod 72 is the same as that of the square cavity 31, the cross section of the rectangular block 73 is the same as that of the square hole 711 and the square groove 231, and the side length of the cross section of the rectangular block 73 is larger than the diagonal length of the cross section of the square rod 72, so that the square rod 72 does not drive the transmission shaft 71 to rotate when rotating in the square hole 711.
In other embodiments, a driving motor may be connected to the screw 61 for driving the screw 61 to rotate.
Bearing seats are arranged at two ends of the transmission shaft 71 and are mounted on the mounting frame 4 through connecting frames.
The square bar 72 is stably positioned on the center line of the transmission shaft 71 by providing a bearing seat to support the transmission shaft 71.
The utility model provides a sewage sludge treatment device for hydraulic engineering, which has the following working principle:
when in use, sludge to be treated is added into the conveying pipe 21 through the feed pipe 22 by a sludge pump, and when in addition, the first driving device 54 drives the rotating shaft 53 to rotate, the rotating shaft 53 drives the feeding impeller 55 to rotate, and the curing agent in the storage tank 51 is added into flowing sludge;
simultaneously, the motor 3 drives the rotating shaft 23 to rotate, and the spiral stirring piece 24 stirs and mixes the sludge and the curing agent and simultaneously conveys the sludge and the curing agent into the treatment tank 1;
when the sludge is accumulated in the middle of the treatment tank 1, the motor 3 stops, the square rod 72 is pushed, the rectangular block 73 is moved out of the square groove 231 at the end part of the rotating shaft 23, the rectangular block 73 is inserted into the square hole 711, and at the moment, when the motor 3 is started again, the motor 3 drives the square rod 72 to rotate, the square rod 72 drives the transmission shaft 71 to rotate through the rectangular block 73, and the transmission shaft 71 drives the screw rod 61 to rotate through the second transmission piece;
the motor 3 rotates clockwise or anticlockwise to drive the screw rod 61 to rotate clockwise or anticlockwise, so that the connecting plate 62 drives the carding rods 63 to reciprocate along the treatment tank 1, and the plurality of carding rods 63 push accumulated sludge to reciprocate, so that the sludge can be more smoothly positioned in the treatment tank 1;
when the sludge is conveyed again, the motor 3 is stopped again, the rectangular block 73 is pumped into the square groove 231 again, and the operation is simple and convenient.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A soil treatment apparatus for hydraulic engineering, comprising: a treatment tank (1);
the sludge conveying device (2), the sludge conveying device (2) comprises a conveying pipe (21), a feeding pipe (22), a rotating shaft (23) and a spiral stirring piece (24), the feeding pipe (22) is communicated with the top of one end of the conveying pipe (21), the rotating shaft (23) is rotatably installed in the conveying pipe (21), one end of the rotating shaft (23) penetrates through the conveying pipe (21), the spiral stirring piece (24) is fixedly installed on the rotating shaft (23) and is located in the conveying pipe (21), and the conveying pipe (21) is suspended above the treatment pool (1);
the motor (3) is arranged at one end of the treatment tank (1) through a mounting rack (4), and an output shaft of the motor (3) is in transmission connection with one end of the rotating shaft (23) through a transmission arm (7); characterized by further comprising:
curing agent adding mechanism (5), curing agent adding mechanism (5) include storage jar (51), cylindricality portion (52), rotation axis (53), first drive arrangement (54) and a plurality of pay-off impeller (55), one side of cylindricality portion (52) with the output intercommunication of storage jar (51), the opposite side of cylindricality portion (52) with inlet pipe (22) intercommunication, the one end rotation of rotation axis (53) wear to locate the inside of cylindricality portion (52), and the other end is provided with first drive arrangement (54), a plurality of pay-off impeller (55) encircle fixed connection in on rotation axis (53) and be located the inside of cylindricality portion (52), first drive arrangement (54) are used for driving rotation axis (53) rotation.
2. The sludge treatment equipment for hydraulic engineering according to claim 1, characterized in that the first driving device (54) is a first transmission member, and the first transmission member is in transmission connection with the rotating shaft (23) and the rotating shaft (53).
3. The sludge treatment apparatus for hydraulic engineering according to claim 2, wherein the first transmission member is a belt transmission mechanism.
4. The sludge treatment equipment for hydraulic engineering according to claim 1, wherein one end of the conveying pipe (21) is mounted on the mounting frame (4) through a bracket, and the other end of the conveying pipe (21) is mounted above the treatment tank (1) through a bracket.
5. The sludge treatment equipment for hydraulic engineering according to claim 1, wherein a carding device (6) is arranged on the treatment tank (1), the carding device (6) comprises a screw rod (61), a connecting plate (62), a second driving device (64), a sliding rod (65) and a plurality of carding rods (63), one end of the connecting plate (62) is in threaded connection with the screw rod (61), the other end of the connecting plate (62) is slidably sleeved outside the sliding rod (65), a plurality of carding rods (63) are equidistantly arranged at the bottom of the connecting plate (62), the second driving device (64) is used for driving the screw rod (61) to rotate, the screw rod (61) is rotatably arranged at one side of the treatment tank (1), and the sliding rod (65) is arranged at the other side of the treatment tank (1).
6. The sludge treatment equipment for hydraulic engineering according to claim 5, wherein the second driving device (64) is a second transmission piece, the transmission arm (7) comprises a transmission shaft (71), a square rod (72) and a rectangular block (73), the rectangular block (73) is arranged at one end of the square rod (72) far away from the motor (3), the transmission shaft (71) is slidably inserted between an output shaft of the motor (3) and the rotating shaft (23), a square groove (231) is formed at one end of the rotating shaft (23), a square cavity (31) is formed in the output shaft of the motor (3), a square hole (711) is formed in the transmission arm (7) in a penetrating mode, one end of the square rod (72) is slidably inserted into the square groove (231), and the transmission shaft (71) is in transmission connection with the screw rod (61) through the second transmission piece.
7. The sludge treatment equipment for hydraulic engineering according to claim 6, characterized in that both ends of the transmission shaft (71) are provided with bearing seats, which are mounted on the mounting frame (4) through a connecting frame.
CN202322036462.6U 2023-08-01 2023-08-01 A dirty silt treatment facility for hydraulic engineering Active CN219585956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322036462.6U CN219585956U (en) 2023-08-01 2023-08-01 A dirty silt treatment facility for hydraulic engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322036462.6U CN219585956U (en) 2023-08-01 2023-08-01 A dirty silt treatment facility for hydraulic engineering

Publications (1)

Publication Number Publication Date
CN219585956U true CN219585956U (en) 2023-08-25

Family

ID=87691624

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322036462.6U Active CN219585956U (en) 2023-08-01 2023-08-01 A dirty silt treatment facility for hydraulic engineering

Country Status (1)

Country Link
CN (1) CN219585956U (en)

Similar Documents

Publication Publication Date Title
CN204737769U (en) Quick sewage purification ware
CN219585956U (en) A dirty silt treatment facility for hydraulic engineering
CN209815751U (en) Stirring device of flocculation tank
CN218465584U (en) Sewage treatment equipment
CN115745124A (en) Multidirectional transformation type emulsion treatment dispersing equipment and method
CN213231819U (en) Sewage treatment plant that treatment effeciency is high
CN213803239U (en) Wastewater treatment device for desulfurization and denitrification
CN209367932U (en) A kind of terminal water circulation recycling device
CN211903406U (en) Metal surface treatment agent cooling device convenient to move
CN217202200U (en) Urban sewage treatment device with improved structure
CN216418423U (en) Transmission structure for slurry spiral conveying of horizontal efficient thickener
CN118005177B (en) Self-cleaning heavy metal sewage treatment device with aeration structure
CN221370681U (en) Industrial production is with circulation effluent treatment plant
CN219701643U (en) Chemical wastewater treatment device
CN217148688U (en) Sewage treatment sedimentation tank
CN218573332U (en) Anti-precipitation device for storage tank
CN221917580U (en) Storage stirring integrated sludge treatment pond
CN219929661U (en) Treatment device for purifying industrial wastewater
CN219784496U (en) Automatic mixing device for industrial wastewater treatment medicament production
CN209865469U (en) Cutting waste liquid treatment device
CN214159434U (en) Hydraulic engineering maintenance fastening processing apparatus
CN218189308U (en) Municipal administration mud innocent treatment device
CN212669480U (en) Total nitrogen treatment equipment for industrial sewage
CN214681125U (en) Negative pressure type solid particle jet device for oil extraction
CN211311157U (en) Utilize powdered activated carbon to get rid of processing system of COD in sewage

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant