CN113697879A - Environment-friendly energy-saving washing wastewater treatment equipment - Google Patents

Environment-friendly energy-saving washing wastewater treatment equipment Download PDF

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Publication number
CN113697879A
CN113697879A CN202111143390.4A CN202111143390A CN113697879A CN 113697879 A CN113697879 A CN 113697879A CN 202111143390 A CN202111143390 A CN 202111143390A CN 113697879 A CN113697879 A CN 113697879A
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CN
China
Prior art keywords
plate
wastewater treatment
treatment equipment
washing wastewater
energy
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Pending
Application number
CN202111143390.4A
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Chinese (zh)
Inventor
张玉保
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Anhui Sibang Environmental Technology Co ltd
Original Assignee
Anhui Sibang Environmental Technology 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 Anhui Sibang Environmental Technology Co ltd filed Critical Anhui Sibang Environmental Technology Co ltd
Priority to CN202111143390.4A priority Critical patent/CN113697879A/en
Publication of CN113697879A publication Critical patent/CN113697879A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/008Control or steering systems not provided for elsewhere in subclass C02F
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32

Abstract

The invention discloses an environment-friendly and energy-saving washing wastewater treatment device, and relates to the technical field of wastewater treatment. This washing wastewater treatment equipment of link ability type, including base and body, the body is wastewater treatment equipment, be provided with the body in the base, the inside of body is provided with acceleration mechanism, acceleration mechanism includes the motor, the last fixed surface of motor and body is connected, the output fixed mounting of motor has the dwang, the one end fixed mounting that the motor was kept away from to the dwang has the flow distribution plate, the one end fixed mounting that the dwang was kept away from to the flow distribution plate has the mixed plate that two symmetries set up, has reached through the acceleration mechanism that sets up, can reach the effect of off-line form wastes material when stirring to can make medicament and waste water fully react.

Description

Environment-friendly energy-saving washing wastewater treatment equipment
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an environment-friendly and energy-saving washing wastewater treatment device.
Background
The wastewater treatment is to treat the wastewater by physical, chemical and biological methods, so that the wastewater is purified, the pollution is reduced, the wastewater is recycled and reused, and water resources are fully utilized.
When the wastewater is purified, the wastewater and the medicament are put into the wastewater treatment equipment together, and the linear waste in the wastewater cannot be separated out when the conventional wastewater treatment equipment is used for purifying the wastewater, so that the expected purification effect of the wastewater cannot be achieved when the wastewater is purified.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an environment-friendly and energy-saving washing wastewater treatment device, which solves the problem that the conventional wastewater treatment device cannot separate linear waste in wastewater during wastewater purification, so that the wastewater cannot achieve the expected purification effect during purification.
In order to achieve the purpose, the invention is realized by the following technical scheme: an environment-friendly and energy-saving washing wastewater treatment device comprises a base and a body, wherein the body is a wastewater treatment device, the body is arranged in the base, an accelerating mechanism is arranged in the body and comprises a motor, the motor is fixedly connected with the upper surface of the body, a rotating rod is fixedly arranged at the output end of the motor, a splitter plate is fixedly arranged at one end of the rotating rod, which is far away from the motor, two symmetrically arranged mixing plates are fixedly arranged at one end of the splitter plate, which is far away from the rotating rod, a plurality of protruding blocks which are distributed at equal intervals are fixedly arranged on the inner wall of the body, curved blocks are fixedly arranged on the surfaces of the protruding blocks, when wastewater and reaction agents are injected into the body, the wastewater falls on the splitter plate under the influence of gravity and rushes along the splitter plate on the inner wall of the body, the wastewater is in contact with the curved plates on the protruding blocks, and can wind linear objects in the wastewater on the curved plates, the motor and the rotating rod are matched to drive the mixing plate to rotate, so that the effect of separating linear waste during stirring is achieved.
Preferably, the inner bottom wall of the body is provided with a collecting tank, the collecting tank is positioned right below the mixing plate, and precipitates generated in the reaction can fall into the collecting tank.
Preferably, the body is internally provided with an air release mechanism which comprises a connecting plate, the connecting plate is fixedly connected with the inner wall of the body, an air vent is arranged between the inner wall of the connecting plate and the connecting plate, the inner wall of the connecting plate is connected with a slide rod in a sliding way, one end of the slide plate in the body is fixedly provided with an anti-drop block, a section of the sliding rod, which is far away from the anti-falling block, is fixedly provided with a sealing ring, the sealing ring is matched with the air vent, the lower surface of the sealing ring is fixedly provided with a reset strip, the other end of the reset strip is fixedly connected with the connecting plate, the reaction in the body can generate gas, when the gas is accumulated to the limit, the sealing ring is pushed open through the vent hole and is discharged from the body, the reset strip is stretched when the sealing ring moves, the sliding rod is driven to slide in the connecting plate, and meanwhile the anti-falling block can prevent the sliding rod from falling off from the connecting plate.
Preferably, a plurality of gas outlet grooves are formed in the lower surface of the sealing ring, the gas outlet grooves are circumferentially distributed on the lower surface of the sealing ring at equal intervals, and gas is preferentially discharged from the gas outlet grooves when the body is discharged.
Preferably, the surface of mixed plate all is provided with clearance mechanism, clearance mechanism includes the mounting bracket, the fixed surface of mounting bracket and mixed plate is connected, the one end fixed mounting that the mixed plate was kept away from to the mounting bracket has the arc, the other end of arc offsets with the interior diapire of body, and the mixed plate drives the arc and slides on the interior diapire of body, scrapes into in the collecting vat with sedimentary deposit on this internal diapire.
Preferably, the fixed surface of arc installs the bent plate, the other end of bent plate and the lower fixed surface installation of mounting bracket, the fixed surface of bent plate installs the spring rope, the other end and the mounting bracket fixed connection of spring rope, the resistance extrusion bent plate and the spring rope that produce in the arc motion process, the extension spring rope that warp takes place for the bent plate, and the elasticity of spring provides ground force and can prevent that the arc amplitude of rotation great lead to the clearance effect to reduce.
Preferably, the surface of mixing plate all is provided with complementary unit, complementary unit includes the pivot, the pivot is connected with the inner wall rotation of mixing plate, the fixed surface of pivot installs the supplementary leaf that three equidistance set up, and the mixing plate cooperatees with waste water when rotating, drives supplementary leaf and rotates to promote the reaction of medicament and waste water.
Preferably, the surface of the auxiliary blade is fixedly provided with two corrugated plates, the corrugated plates are arranged in an axial symmetry manner by taking the auxiliary blade as the center, and the corrugated plates increase the contact area of the auxiliary blade and the wastewater.
Advantageous effects
The invention provides an environment-friendly and energy-saving washing wastewater treatment device. The method has the following beneficial effects:
(1) this link can type washing wastewater treatment equipment, flow distribution plate through the setting, when pouring into waste water and during the reaction medicament into to the body, waste water receives the influence of gravity to fall on the flow distribution plate, and dash on the inner wall of body along the flow distribution plate, waste water contacts with the curved plate on the lug, can convolute the threadlike object in the waste water on the curved plate, open the switch of motor immediately, the motor cooperatees with the dwang and drives the mixing plate and rotate, partly can fall in the collecting vat of the precipitate that appears in the reaction, through the acceleration mechanism that sets up, can reach the effect of off-line form waste material when stirring, and can make medicament and waste water fully react.
(2) This washing waste water treatment equipment of link ability type, through the blow vent that sets up, this internal waste water can produce gas with the medicament when taking place the reaction, when gaseous accumulation is collected the limit, it is gaseous to push away the sealing washer through the blow vent and discharge this internally by giving vent to anger the groove, tensile reset strip and drive the litter slide in the connecting plate during the sealing washer motion, the setting of anticreep piece can prevent that the litter from droing from the connecting plate, mechanism disappointing through the setting, can collect the limit in this internally when the gaseous volume of body in the automatic discharge originally internally, prevent the condition that the excessive gathering of gas leads to the body explosion.
(3) The washing wastewater treatment equipment of this link ability type, through the arc that sets up, drive the arc on the interior diapire of body when the hybrid plate rotates and move, scrape into the collecting vat with sedimentary deposit on this internal diapire in, the resistance extrusion bent plate that produces in the arc motion process, the tensile spring rope of deformation takes place for the bent plate, the spring rope provides the ground force and can prevent that the arc range of rotation great leads to the cleaning effect to reduce, through the clearance structure that sets up, the deposit that can the bottom wall in the body from scraping into the collecting vat and preventing the arc range of rotation great effect that leads to the cleaning ability to reduce.
(4) This link can washing effluent treatment plant of type, through the supplementary leaf that sets up, cooperate with waste water when the hybrid board rotates, drive supplementary leaf and rotate, the area of contact of supplementary leaf and waste water is increased in the setting of wave form board, can promote the reaction efficiency between medicament and the waste water through the rotation of supplementary leaf through the complementary mechanism who sets up.
Drawings
FIG. 1 is a schematic structural view of a base in the present invention;
FIG. 2 is a schematic view of the interior of the body according to the present invention;
FIG. 3 is a schematic structural view of an accelerating mechanism according to the present invention;
FIG. 4 is a schematic structural view of a curved block in the present invention;
FIG. 5 is a schematic structural view of the air bleed mechanism of the present invention;
FIG. 6 is a schematic structural view of a cleaning mechanism according to the present invention;
fig. 7 is a schematic structural view of the auxiliary mechanism of the present invention.
In the figure: 1. a base; 2. a body; 3. an acceleration mechanism; 31. a motor; 32. rotating the rod; 33. a flow distribution plate; 34. a mixing plate; 35. collecting tank; 36. a bump; 37. a curved block; 4. an air release mechanism; 41. a connecting plate; 42. a vent; 43. a slide rod; 44. a seal ring; 45. an air outlet groove; 46. a reset bar; 47. an anti-drop block; 5. a cleaning mechanism; 51. a mounting frame; 52. an arc-shaped plate; 53. a curved plate; 54. a spring cord; 6. an auxiliary mechanism; 61. a rotating shaft; 62. auxiliary leaves; 63. a corrugated plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an environment-friendly and energy-saving washing wastewater treatment device comprises a base 1 and a body 2, the body 2 is a wastewater treatment device, the body 2 is arranged in the base 1, an accelerating mechanism 3 is arranged in the body 2, the accelerating mechanism 3 comprises a motor 31, the motor 31 is fixedly connected with the upper surface of the body 2, an output end of the motor 31 is fixedly provided with a rotating rod 32, one end of the rotating rod 32, far away from the motor 31, is fixedly provided with a splitter plate 33, one end of the splitter plate 33, far away from the rotating rod 32, is fixedly provided with two symmetrically arranged mixing plates 34, the inner wall of the body 2 is fixedly provided with a plurality of equidistantly distributed lugs 36, the surface of the lug 36 is fixedly provided with a curved block 37, when wastewater and reaction medicament are injected into the body 2, the wastewater falls on the splitter plate 33 under the influence of gravity and rushes against the inner wall of the body 2 along with the splitter plate 33, the wastewater is contacted with the curved plate 53 on the lug 36, the threadlike waste in the waste water can be wound on the curved plate 53, and the motor 31 is matched with the rotating rod 32 to drive the mixing plate 34 to rotate, so that the effect of separating the threadlike waste during stirring is achieved.
Wherein, the collecting groove 35 is opened at the inner bottom wall of the body 2, the collecting groove 35 is located under the mixing plate 34, and the precipitate appearing in the reaction falls into the collecting groove 35.
Wherein, the inside of the body 2 is provided with the air release mechanism 4, the air release mechanism 4 comprises a connecting plate 41, the connecting plate 41 is fixedly connected with the inner wall of the body 2, a vent 42 is arranged between the inner wall of the connecting plate 41 and the connecting plate 41, the inner wall of the connecting plate 41 is connected with a slide rod 43 in a sliding manner, one end of the slide plate in the body 2 is fixedly provided with an anti-falling block 47, one section of the slide rod 43 far away from the anti-falling block 47 is fixedly provided with a sealing ring 44, the sealing ring 44 is matched with the vent 42, the lower surface of the sealing ring 44 is fixedly provided with a reset bar 46, the other end of the reset bar 46 is fixedly connected with the connecting plate 41, the reaction in the body 2 can generate gas, when the gas accumulates to the limit, the gas pushes the seal ring 44 out of the body 2 through the vent 42, and when the seal ring 44 moves, the return bar 46 is stretched to drive the slide rod 43 to slide in the connecting plate 41, and the anti-drop block 47 can prevent the slide rod 43 from dropping out of the connecting plate 41.
Wherein, a plurality of gas outlet grooves 45 have been seted up to the lower surface of sealing washer 44, and a plurality of gas outlet grooves 45 be equidistant circumference and distribute at the lower surface of sealing washer 44, and gas is discharged in the gas outlet grooves 45 by priority when discharging body 2.
Wherein, the surface of mixed plate 34 all is provided with clearance mechanism 5, clearance mechanism 5 includes mounting bracket 51, and mounting bracket 51 is connected with the fixed surface of mixed plate 34, and the one end fixed mounting that mixed plate 34 was kept away from to mounting bracket 51 has arc 52, and the other end of arc 52 offsets with the interior diapire of body 2, and mixed plate 34 drives arc 52 and slides on the interior diapire of body 2, scrapes into in collecting vat 35 with the deposit of this body 2 internal diapire on deposit.
Wherein, the fixed surface of arc 52 installs bent plate 53, the other end of bent plate 53 and mounting bracket 51's lower surface fixed mounting, the fixed surface of bent plate 53 installs spring rope 54, spring rope 54's the other end and mounting bracket 51 fixed connection, the resistance extrusion bent plate 53 and the spring rope 54 that produce in the arc 52 motion process, bent plate 53 takes place deformation extension spring rope 54, the elasticity of spring provides ground power and can prevent that arc 52 rotation amplitude from leading to the clearance effect greatly and reducing.
Wherein, the surface of mixing plate 34 all is provided with complementary unit 6, and complementary unit 6 includes pivot 61, and pivot 61 rotates with the inner wall of mixing plate 34 to be connected, and the fixed surface of pivot 61 installs the supplementary leaf 62 that three equidistance set up, and mixing plate 34 cooperatees with waste water when rotating, drives supplementary leaf 62 and rotates to promote the reaction of medicament and waste water.
Wherein, the surface of auxiliary leaf 62 is fixed with wave plate 63, and the number of wave plate 63 has two and takes auxiliary leaf 62 as the central axial symmetry setting, and wave plate 63 increases the area of contact of auxiliary leaf 62 and waste water.
During operation, through the flow distribution plate 33 that sets up, when pouring into waste water and during the reaction medicament into body 2, waste water receives the influence of gravity to fall on flow distribution plate 33, and dash on the inner wall of body 2 along flow distribution plate 33, waste water contacts with curved plate 53 on lug 36, can convolute the threadlike thing in the waste water on curved plate 53, open the switch of motor 31 immediately, motor 31 cooperatees with dwang 32 and drives mixing plate 34 and rotate, partly can fall in collecting vat 35 of precipitate that appears in the reaction, through the acceleration mechanism 3 that sets up, can reach the effect of off-line form waste material when stirring, and can make medicament and waste water fully react.
Through the vent 42 that sets up, waste water in the body 2 can produce gas when reacting with the medicament, when gaseous accumulation arrives the limit, gaseous passing through vent 42 with sealing washer 44 open and by giving vent to anger in the groove 45 discharges the body 2, tensile reset strip 46 and drive litter 43 slide in connecting plate 41 during sealing washer 44 motion, setting up of anticreep piece 47 can prevent that litter 43 from droing from connecting plate 41, through the mechanism 4 that loses heart that sets up, can in the automatic discharge body 2 when the limit is won to gaseous accumulation in body 2, prevent the condition that the excessive gathering of gas leads to the explosion of body 2.
Through the arc 52 that sets up, drive arc 52 during the rotation of mixing plate 34 and move on the interior diapire of body 2, scrape sedimentary deposit into in collecting vat 35 on the diapire in the body 2, resistance extrusion curved plate 53 that produces in the arc 52 motion process, curved plate 53 takes place deformation extension spring rope 54, spring rope 54 provides the ground force and can prevent that arc 52 rotation amplitude from leading to the clearance effect greatly and reducing, through the clearance structure that sets up, the deposit that can this internal diapire of body 2 from scraping into collecting vat 35 and preventing arc 52 rotation amplitude from leading to the effect that the clearance ability reduces greatly.
Through the auxiliary blade 62 that sets up, cooperate with the waste water when the hybrid board 34 rotates, drive auxiliary blade 62 and rotate, the area of contact of auxiliary blade 62 and waste water is increased in the setting of wave form board 63, can promote the reaction efficiency between medicament and the waste water through the rotation of auxiliary blade 62 through the auxiliary mechanism 6 that sets up.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an environmental protection and energy saving's washing wastewater treatment equipment, includes base (1) and body (2), body (2) are wastewater treatment equipment, be provided with body (2) in base (1), its characterized in that: the inside of body (2) is provided with acceleration mechanism (3), acceleration mechanism (3) include motor (31), the last fixed surface of motor (31) and body (2) is connected, the output fixed mounting of motor (31) has dwang (32), the one end fixed mounting that motor (31) were kept away from in dwang (32) has flow distribution plate (33), the one end fixed mounting that dwang (32) were kept away from in flow distribution plate (33) has two mixing plate (34) that the symmetry set up, the inner wall fixed mounting of body (2) has a plurality of equidistance to distribute lug (36), the fixed surface of lug (36) installs curved block (37).
2. The environmental-friendly and energy-saving washing wastewater treatment equipment as set forth in claim 1, wherein: the inner bottom wall of the body (2) is provided with a collecting groove (35), and the collecting groove (35) is located under the mixing plate (34).
3. The environmental-friendly and energy-saving washing wastewater treatment equipment as set forth in claim 1, wherein: the inside of body (2) is provided with mechanism (4) of disappointing, mechanism (4) of disappointing includes connecting plate (41), the inner wall fixed connection of connecting plate (41) and body (2), be provided with blow vent (42) between the inner wall of connecting plate (41) and connecting plate (41), the inner wall sliding connection of connecting plate (41) has litter (43), the one end fixed mounting that the slide is located body (2) has anticreep piece (47), one section fixed mounting that anticreep piece (47) were kept away from to litter (43) has sealing washer (44), sealing washer (44) and blow vent (42) looks adaptation, the lower fixed surface of sealing washer (44) installs strip (46) that resets, the other end and connecting plate (41) fixed connection of strip (46) reset.
4. The environmental-friendly and energy-saving washing wastewater treatment equipment as set forth in claim 3, wherein: a plurality of air outlet grooves (45) are formed in the lower surface of the sealing ring (44), and the air outlet grooves (45) are distributed on the lower surface of the sealing ring (44) in an equidistant mode.
5. The environmental-friendly and energy-saving washing wastewater treatment equipment as set forth in claim 1, wherein: the surface of mixing plate (34) all is provided with clearance mechanism (5), clearance mechanism (5) include mounting bracket (51), mounting bracket (51) are connected with the fixed surface of mixing plate (34), the one end fixed mounting that mixing plate (34) were kept away from in mounting bracket (51) has arc (52), the other end of arc (52) offsets with the interior diapire of body (2).
6. The environmental-friendly and energy-saving washing wastewater treatment equipment as set forth in claim 5, wherein: the fixed surface of arc (52) installs bent plate (53), the other end of bent plate (53) and the lower fixed surface of mounting bracket (51) install, the fixed surface of bent plate (53) installs spring rope (54), the other end and mounting bracket (51) fixed connection of spring rope (54).
7. The environmental-friendly and energy-saving washing wastewater treatment equipment as set forth in claim 1, wherein: the surface of mixing plate (34) all is provided with complementary unit (6), complementary unit (6) are including pivot (61), pivot (61) are connected with the inner wall rotation of mixing plate (34), the fixed surface of pivot (61) installs three equidistance auxiliary vane (62) that set up.
8. The environmental-friendly and energy-saving washing wastewater treatment equipment as set forth in claim 7, wherein: the surface of the auxiliary blade (62) is fixedly provided with two corrugated plates (63), and the two corrugated plates (63) are arranged in axial symmetry by taking the auxiliary blade (62) as the center.
CN202111143390.4A 2021-09-28 2021-09-28 Environment-friendly energy-saving washing wastewater treatment equipment Pending CN113697879A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111143390.4A CN113697879A (en) 2021-09-28 2021-09-28 Environment-friendly energy-saving washing wastewater treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111143390.4A CN113697879A (en) 2021-09-28 2021-09-28 Environment-friendly energy-saving washing wastewater treatment equipment

Publications (1)

Publication Number Publication Date
CN113697879A true CN113697879A (en) 2021-11-26

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Application Number Title Priority Date Filing Date
CN202111143390.4A Pending CN113697879A (en) 2021-09-28 2021-09-28 Environment-friendly energy-saving washing wastewater treatment equipment

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CN (1) CN113697879A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210193598U (en) * 2019-05-27 2020-03-27 中铁广州建设有限公司 Waste water treatment device for construction site flushing vehicle
CN112044164A (en) * 2020-09-14 2020-12-08 苏州浔宇新材料科技有限公司 Solid-liquid garbage separation device for environment-friendly machinery
CN112978820A (en) * 2021-02-28 2021-06-18 李鑫 Acid wastewater treatment device
CN213506331U (en) * 2020-09-25 2021-06-22 嵊州市恒丰纸业有限公司 Be applicable to recycled paper papermaking advanced integrated processing apparatus of waste water
CN213537467U (en) * 2020-09-23 2021-06-25 北京联合武盛科技发展有限公司 Sewage treatment device with inner wall cleaning and scraping mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210193598U (en) * 2019-05-27 2020-03-27 中铁广州建设有限公司 Waste water treatment device for construction site flushing vehicle
CN112044164A (en) * 2020-09-14 2020-12-08 苏州浔宇新材料科技有限公司 Solid-liquid garbage separation device for environment-friendly machinery
CN213537467U (en) * 2020-09-23 2021-06-25 北京联合武盛科技发展有限公司 Sewage treatment device with inner wall cleaning and scraping mechanism
CN213506331U (en) * 2020-09-25 2021-06-22 嵊州市恒丰纸业有限公司 Be applicable to recycled paper papermaking advanced integrated processing apparatus of waste water
CN112978820A (en) * 2021-02-28 2021-06-18 李鑫 Acid wastewater treatment device

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Application publication date: 20211126