CN215559121U - Treatment device for wastewater containing isopropanol - Google Patents

Treatment device for wastewater containing isopropanol Download PDF

Info

Publication number
CN215559121U
CN215559121U CN202122434248.7U CN202122434248U CN215559121U CN 215559121 U CN215559121 U CN 215559121U CN 202122434248 U CN202122434248 U CN 202122434248U CN 215559121 U CN215559121 U CN 215559121U
Authority
CN
China
Prior art keywords
fixed
isopropanol
isopropyl alcohol
heat conduction
wastewater containing
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
CN202122434248.7U
Other languages
Chinese (zh)
Inventor
吴昊
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.)
Suzhou Dengfeng Environmental Engineering Co ltd
Original Assignee
Suzhou Dengfeng Environmental Engineering 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 Suzhou Dengfeng Environmental Engineering Co ltd filed Critical Suzhou Dengfeng Environmental Engineering Co ltd
Priority to CN202122434248.7U priority Critical patent/CN215559121U/en
Application granted granted Critical
Publication of CN215559121U publication Critical patent/CN215559121U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

The utility model belongs to the field of treatment of wastewater containing isopropyl alcohol, and particularly relates to a treatment device of wastewater containing isopropyl alcohol, which comprises a purification shell, wherein water inlet pipes are connected to two sides of the purification shell in a penetrating manner, a nozzle is fixed at one end, close to the purification shell, of each water inlet pipe, cooling rods are fixed to two sides of the inner wall of the purification shell, a flow guide wall is fixed to the top of the purification shell, a containing bottle is connected to the lower end of the flow guide wall in a penetrating manner, and the containing bottle is connected with the purification shell in a sliding manner; according to the utility model, the wastewater containing the isopropanol is introduced into the purifying shell and heated, and the boiling points of the isopropanol and the water are different, so that the isopropanol and the water can boil successively, the water vapor can be liquefied first, and the isopropanol vapor can continuously float upwards until contacting with the flow guide wall and liquefying, so that the isopropanol and the water are separated, and the effect of efficiently removing the isopropanol in the wastewater is achieved.

Description

Treatment device for wastewater containing isopropanol
Technical Field
The utility model relates to the field of treatment of wastewater containing isopropanol, in particular to a treatment device of wastewater containing isopropanol.
Background
Isopropyl alcohol is quite common in the industry, and is often used as an organic solvent for cleaning and wiping by maintenance personnel, so that the cleaned waste water also contains a large amount of isopropyl alcohol, and the waste water containing the isopropyl alcohol is often required to be separately treated due to the high combustibility of the isopropyl alcohol.
At present, most of isopropanol treatment methods are biological methods, and the isopropanol is decomposed by microorganisms, however, if the isopropanol treatment methods are implemented, microbial colonies need to be cultured first, so that the time consumption is long, and the isopropanol-containing wastewater treatment efficiency is low; therefore, an apparatus for treating wastewater containing isopropyl alcohol is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to make up the defects of the prior art and solve the problem that the efficiency of treating the wastewater containing the isopropanol is low in the traditional method, the utility model provides a treatment device for the wastewater containing the isopropanol.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a treatment device for wastewater containing isopropanol, which comprises a purification shell, wherein two sides of the purification shell are both connected with a water inlet pipe in a penetrating way, one end of the water inlet pipe, which is close to the purification shell, is fixed with a nozzle, two sides of the inner wall of the purification shell are both fixed with cooling rods, the top of the purification shell is fixed with a flow guide wall, the lower end of the flow guide wall is connected with a containing bottle in a penetrating way, the containing bottle is connected with the purification shell in a sliding way, the lower end of the nozzle is provided with an anti-corrosion plate, the anti-corrosion plate is fixedly connected with the inner wall of the purification shell, and the lower end of the anti-corrosion plate is fixed with a heat conduction frame; when the device works, wastewater containing isopropanol is introduced into the water inlet pipe, and then is sprayed into the purifying shell through the nozzle through the water inlet pipe, along with the increase of the amount of the wastewater in the purifying shell, at the moment, heat is transferred into the anti-corrosion plate through the heat conduction frame, and then is transferred into the wastewater through the anti-corrosion plate, so that the wastewater is heated, the boiling points of the isopropanol and water are different, so that the isopropanol and the water can boil in sequence, at the moment, steam of the water and the isopropanol can float upwards until being in contact with the cooling rod, at the moment, the steam of the water can be liquefied firstly, the steam of the isopropanol can continuously float upwards and until being in contact with the flow guide wall, the steam of the isopropanol after being in contact with the flow guide wall can gradually diffuse towards the outside of the purifying shell along the flow guide wall and be liquefied in the process, the liquefied isopropanol liquid flows into the containing bottle, at the moment, the containing bottle can recover the isopropanol, and a large amount of water after being treated is remained in the purifying shell, therefore, the effect of efficiently removing the isopropanol in the wastewater is achieved.
Preferably, a sealing gasket is sleeved outside the water inlet pipe and is in sliding connection with the purification shell; during operation, the waste water of isopropyl alcohol enters the inside of purifying the casing through the inlet tube, and the condition of revealing can effectually be prevented to sealed the pad.
Preferably, an adjusting rod is fixed between the cooling rods and the inner wall of the purification shell, and the cooling rods are four in number and are distributed in the purification shell in a rectangular shape; during operation, water and isopropanol's steam can come up until contacting with the cooling rod, thereby the boiling point of steam is higher than isopropanol's boiling point and it can take the lead to liquefy this moment to effectual isopropanol and water of making separate, and through adjusting the area of contact of adjustable cooling rod and steam of pole.
Preferably, the top end of the containing bottle is clamped with an elastic plate, and the elastic plate is communicated with the flow guide wall; when the device works, liquefied isopropanol liquid flows into the holding bottle through the elastic plate, so that the isopropanol is prevented from being exposed.
Preferably, two heating wires are fixed inside the heat conduction frame and symmetrically distributed inside the heat conduction frame; when the electric heating wire works, the power supply of the electric heating wire is started to enable the electric heating wire to run to generate heat, and the two electric heating wires can enable the heat conducted by the heat conduction frame to be more uniform.
Preferably, a support column is fixed at the lower end of the heat conduction frame, and the support column is fixedly connected with the inner wall of the purification shell; during operation, the support column can effectively reduce the gravity center of the purifying shell and improve the stability of the purifying shell.
Preferably, a heat conducting plate is fixed at the bottom of the heat conducting frame, a hollow column is fixed at the lower end of the heat conducting plate, a closing plug is connected in the hollow column in a sliding manner, a transmission rod is fixed at one end, away from the center of the hollow column, of the closing plug, the transmission rod is in through connection with the hollow column, a return spring is fixed at one end, away from the closing plug, of the transmission rod, a connecting rod is fixed at the lower end of the transmission rod, a sliding shifting piece is fixed at the lower end of the connecting rod, and a rheostat is connected at the lower end of the sliding shifting piece in a sliding manner; during operation, the heat conducted by the heat conduction frame can be conducted into the hollow column through the heat conduction plate at the same time, so that the pressure in the hollow column is increased, the increased pressure can apply a thrust to the closing plug, the closing plug can gradually push the transmission rod to compress the reset spring and then move under the action of the thrust, the transmission rod can simultaneously drive the connecting rod to move together in the moving process of the transmission rod, the connecting rod moves to drive the sliding poking piece to move, and at the moment, the sliding poking piece slides on the rheostat, so that the resistance value of the rheostat in a circuit is changed, the power of the electric heating wire is further changed, and the effect of saving energy by dynamically adjusting the heating temperature is achieved.
Preferably, a fixing frame is fixed outside the rheostat and fixedly connected with the inner wall of the purifying shell; when the rheostat fixing device works, the rheostat can be fixed by the fixing frame so as to prevent the rheostat from sliding.
The utility model has the advantages that:
1. the wastewater containing the isopropanol is introduced into the purifying shell and heated, and the boiling points of the isopropanol and the water are different, so that the isopropanol and the water can boil successively, the water vapor can be liquefied first, the isopropanol vapor can continuously float upwards until the isopropanol vapor is contacted with the flow guide wall and liquefied, the isopropanol and the water are separated, and the effect of efficiently removing the isopropanol in the wastewater is achieved;
2. according to the utility model, heat is conducted into the hollow column, so that the pressure in the hollow column is increased to push the transmission rod to move, and the transmission rod can simultaneously drive the sliding poking piece to slide on the rheostat in the moving process, so that the resistance value of the rheostat in a circuit is changed, the power of the electric heating wire is further changed, and the effects of dynamically adjusting the heating temperature and saving energy are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the purification casing according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the utility model at B of FIG. 2.
In the figure: 1. purifying the shell; 2. a water inlet pipe; 3. a gasket; 4. a nozzle; 5. adjusting a rod; 6. a cooling rod; 7. a flow guide wall; 8. an elastic plate; 9. a containing bottle; 10. an anti-corrosion plate; 11. a heat conducting frame; 12. an electric heating wire; 13. a heat conducting plate; 14. a hollow column; 15. closing the plug; 16. a transmission rod; 17. a return spring; 18. a support pillar; 19. a connecting rod; 20. sliding the shifting piece; 21. a varistor; 22. a fixing frame.
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.
Example one
Referring to fig. 1-3, a treatment device for wastewater containing isopropyl alcohol comprises a purification shell 1, wherein both sides of the purification shell 1 are connected with a water inlet pipe 2 in a penetrating manner, one end of the water inlet pipe 2 close to the purification shell 1 is fixed with a nozzle 4, both sides of the inner wall of the purification shell 1 are fixed with cooling rods 6, the top of the purification shell 1 is fixed with a flow guide wall 7, the lower end of the flow guide wall 7 is connected with a receiving bottle 9 in a penetrating manner, the receiving bottle 9 is connected with the purification shell 1 in a sliding manner, the lower end of the nozzle 4 is provided with an anti-corrosion plate 10, the anti-corrosion plate 10 is fixedly connected with the inner wall of the purification shell 1, and the lower end of the anti-corrosion plate 10 is fixed with a heat conduction frame 11; when the device works, wastewater containing isopropanol is introduced into the water inlet pipe 2, and then is sprayed into the purification shell 1 through the nozzle 4 through the water inlet pipe 2, along with the increase of the amount of the wastewater in the purification shell 1, at the moment, heat is conducted into the anti-corrosion plate 10 through the heat conduction frame 11, and then is conducted into the wastewater through the anti-corrosion plate 10, so that the wastewater is heated, the boiling points of the isopropanol and water are different, so that the isopropanol and the water are boiled in sequence, at the moment, steam of the water and the isopropanol can float upwards until being in contact with the cooling rod 6, at the moment, the steam of the water can be liquefied firstly, the steam of the isopropanol can continuously float upwards and until being in contact with the flow guide wall 7, the steam of the isopropanol after being in contact with the flow guide wall 7 can be gradually diffused to the outside of the purification shell 1 along the flow guide wall 7 and be liquefied in the process, the liquefied isopropanol liquid flows into the receiving bottle 9, at the moment, the receiving bottle 9 can recover the isopropanol, the residual water in the purifying shell 1 is a large amount of treated water, so that the effect of efficiently removing the isopropanol in the wastewater is achieved.
A sealing gasket 3 is sleeved outside the water inlet pipe 2, and the sealing gasket 3 is connected with the purifying shell 1 in a sliding manner; during operation, the waste water of isopropyl alcohol gets into the inside of purifying casing 1 through inlet tube 2, and sealed the condition that 3 can effectually prevent that waste water from taking place to reveal.
An adjusting rod 5 is fixed between the cooling rods 6 and the inner wall of the purifying shell 1, and the cooling rods 6 are four in number and are distributed in the purifying shell 1 in a rectangular shape; during operation, water and isopropanol's steam can come up until contacting with cooling rod 6, thereby the boiling point of steam is higher than isopropanol's boiling point and it can take the lead to liquefy this moment to effectual isopropanol and water of making separate, and through adjusting the area of contact of 5 adjustable cooling rod 6 and steam of pole.
The top end of the containing bottle 9 is clamped with an elastic plate 8, and the elastic plate 8 is communicated with the flow guide wall 7; during operation, liquefied isopropanol liquid flows into the holding bottle 9 through the elastic plate 8, so that the isopropanol is prevented from being exposed.
The heating wires 12 are fixed inside the heat conduction frame 11, and two heating wires 12 are symmetrically distributed inside the heat conduction frame 11; when the heating device works, the power supply of the heating wires 12 is started to enable the heating wires 12 to operate to generate heat, and the two heating wires 12 can enable the heat conducted by the heat conduction frame 11 to be more uniform.
A support column 18 is fixed at the lower end of the heat conduction frame 11, and the support column 18 is fixedly connected with the inner wall of the purification shell 1; during operation, the support column 18 can effectively reduce the center of gravity of the purifying shell 1 and improve the stability of the purifying shell.
Example two
Referring to fig. 4, as another embodiment of the present invention, in a first comparative example, a heat conducting plate 13 is fixed at the bottom of a heat conducting frame 11, a hollow column 14 is fixed at the lower end of the heat conducting plate 13, a closing plug 15 is slidably connected inside the hollow column 14, a transmission rod 16 is fixed at one end of the closing plug 15 away from the center of the hollow column 14, the transmission rod 16 is in through connection with the hollow column 14, a return spring 17 is fixed at one end of the transmission rod 16 away from the closing plug 15, a connecting rod 19 is fixed at the lower end of the transmission rod 16, a sliding pull tab 20 is fixed at the lower end of the connecting rod 19, and a rheostat 21 is slidably connected at the lower end of the sliding pull tab 20; when the electric heating wire works, heat conducted by the heat conduction frame 11 is conducted into the hollow column 14 through the heat conduction plate 13, so that the pressure intensity in the hollow column 14 is increased, the increased pressure intensity applies a thrust force to the closing plug 15, under the action of the thrust force, the closing plug 15 gradually pushes the transmission rod 16 to compress the return spring 17 and then move, the transmission rod 16 simultaneously drives the connecting rod 19 to move together in the moving process, the connecting rod 19 moves to drive the sliding poking piece 20 to move, and the sliding poking piece 20 slides on the rheostat 21 at the moment, so that the resistance value of the rheostat 21 in a circuit is changed, the power of the electric heating wire 12 is changed, and the effects of dynamically adjusting the heating temperature and saving energy are achieved.
A fixing frame 22 is fixed outside the rheostat 21, and the fixing frame 22 is fixedly connected with the inner wall of the purifying shell 1; in operation, the fixing frame 22 can fix the varistor 21 to prevent the varistor from sliding.
The working principle is that when the device is used, wastewater containing isopropanol is introduced into the water inlet pipe 2, and then is sprayed into the purifying shell 1 through the nozzle 4 through the water inlet pipe 2, and the sealing gasket 3 can effectively prevent the wastewater from leaking in the process, along with the increase of the amount of the wastewater in the purifying shell 1, the power supply of the electric heating wire 12 is started to enable the electric heating wire 12 to operate to generate heat, the two electric heating wires 12 can enable the heat conducted by the heat conduction frame 11 to be more uniform, the heat is conducted into the corrosion prevention plate 10 through the heat conduction frame 11 and then conducted into the wastewater through the corrosion prevention plate 10, so that the wastewater is heated, the boiling points of the isopropanol and the water are different, the isopropanol and the water can boil successively, at the moment, the steam of the water and the isopropanol can float upwards until the steam is contacted with the cooling rod 6, the steam can be liquefied firstly, and the steam of the isopropanol can continuously float upwards, and until it contacts with guide wall 7, the isopropyl alcohol steam after contacting with guide wall 7 will be along the guide wall 7 to the outside diffusion of purifying the body 1 gradually, and liquefy in the course, the liquid of isopropyl alcohol after liquefying flows into holding the bottle 9 through the elastic plate 8, hold the bottle 9 and will reclaim isopropyl alcohol at this moment, and purify the remaining water after being treated in the body 1 in a large number, so can get rid of the effects of isopropyl alcohol in the waste water high-efficiently;
in the using process, the heat conducted by the heat conduction frame 11 is conducted into the hollow column 14 through the heat conduction plate 13, so that the pressure intensity in the hollow column 14 is increased, the increased pressure intensity applies a thrust force to the closing plug 15, under the action of the thrust force, the closing plug 15 gradually pushes the transmission rod 16 to compress the return spring 17 and then move, the transmission rod 16 simultaneously drives the connecting rod 19 to move together in the moving process, the connecting rod 19 moves to drive the sliding poking piece 20 to move, the sliding poking piece 20 slides on the rheostat 21 at the moment, the resistance value of the rheostat 21 in the circuit is changed, the power of the electric heating wire 12 is further changed, when the temperature conducted by the electric heating wire 12 reaches one hundred degrees, the sliding poking piece 20 just slides to the topmost end of the rheostat 21, the power of the electric heating wire 12 reaches the minimum at the moment, the generated heat is gradually reduced, the return spring 17 resets to drive the sliding poking piece 20 to reversely move after the time of one end is reduced, the power of the heating wire 12 is increased, and a dynamic balance is achieved, so that the temperature conducted by the heating wire 12 is maintained at about one hundred degrees, and the effects of dynamically adjusting the heating temperature and saving energy are achieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (8)

1. The utility model provides a processing apparatus who contains isopropyl alcohol waste water which characterized in that: including purifying casing (1), it all has inlet tube (2) to purify casing (1) both sides through connection, inlet tube (2) are close to the one end of purifying casing (1) and are fixed with nozzle (4), the both sides of purifying casing (1) inner wall all are fixed with cooling rod (6), it is fixed with water conservancy diversion wall (7) to purify casing (1) top, water conservancy diversion wall (7) lower extreme through connection has connects bottle (9) greatly, connect bottle (9) and purification casing (1) sliding connection greatly, the lower extreme of nozzle (4) is provided with corrosion protection plate (10), corrosion protection plate (10) and the inner wall fixed connection who purifies casing (1), corrosion protection plate (10) lower extreme is fixed with heat conduction frame (11).
2. The apparatus for treating wastewater containing isopropyl alcohol according to claim 1, wherein: the outside of the water inlet pipe (2) is sleeved with a sealing gasket (3), and the sealing gasket (3) is connected with the purification shell (1) in a sliding mode.
3. The apparatus for treating wastewater containing isopropyl alcohol according to claim 1, wherein: an adjusting rod (5) is fixed between the cooling rods (6) and the inner wall of the purifying shell (1), and the cooling rods (6) are four in number and are distributed in the purifying shell (1) in a rectangular shape.
4. The apparatus for treating wastewater containing isopropyl alcohol according to claim 1, wherein: connect bottle (9) top joint greatly and have elastic plate (8), elastic plate (8) and water conservancy diversion wall (7) through connection.
5. The apparatus for treating wastewater containing isopropyl alcohol according to claim 1, wherein: the heating wires (12) are fixed inside the heat conduction frame (11), and the two heating wires (12) are symmetrically distributed inside the heat conduction frame (11).
6. The apparatus for treating wastewater containing isopropyl alcohol according to claim 1, wherein: the lower end of the heat conduction frame (11) is fixed with a support column (18), and the support column (18) is fixedly connected with the inner wall of the purification shell (1).
7. The apparatus for treating wastewater containing isopropyl alcohol according to claim 1, wherein: the heat conduction frame is characterized in that a heat conduction plate (13) is fixed to the bottom of the heat conduction frame (11), a hollow column (14) is fixed to the lower end of the heat conduction plate (13), a closed plug (15) is connected to the inside of the hollow column (14) in a sliding mode, a transmission rod (16) is fixed to one end, away from the center of the hollow column (14), of the closed plug (15), the transmission rod (16) is connected with the hollow column (14) in a penetrating mode, a reset spring (17) is fixed to one end, away from the closed plug (15), of the transmission rod (16), a connecting rod (19) is fixed to the lower end of the transmission rod (16), a sliding shifting piece (20) is fixed to the lower end of the connecting rod (19), and a rheostat (21) is connected to the lower end of the sliding shifting piece (20) in a sliding mode.
8. The apparatus for treating wastewater containing isopropyl alcohol according to claim 7, wherein: the rheostat (21) is externally fixed with a fixing frame (22), and the fixing frame (22) is fixedly connected with the inner wall of the purifying shell (1).
CN202122434248.7U 2021-10-09 2021-10-09 Treatment device for wastewater containing isopropanol Active CN215559121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122434248.7U CN215559121U (en) 2021-10-09 2021-10-09 Treatment device for wastewater containing isopropanol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122434248.7U CN215559121U (en) 2021-10-09 2021-10-09 Treatment device for wastewater containing isopropanol

Publications (1)

Publication Number Publication Date
CN215559121U true CN215559121U (en) 2022-01-18

Family

ID=79853382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122434248.7U Active CN215559121U (en) 2021-10-09 2021-10-09 Treatment device for wastewater containing isopropanol

Country Status (1)

Country Link
CN (1) CN215559121U (en)

Similar Documents

Publication Publication Date Title
CN215559121U (en) Treatment device for wastewater containing isopropanol
CN105056557A (en) Scale-preventing and clean-intensifying system and process applied to evaporator
CN209507868U (en) A kind of advanced processes equipment of energy-saving high concentration hard-degraded organic waste water
CN208948849U (en) A kind of novel intelligent ozone generator
CN203837530U (en) High-efficiency energy-saving tube type heat exchanger
CN207031166U (en) A kind of efficient sterilizing water purification machine
CN203558901U (en) Supercritical water oxidization treatment device for coking waste water
CN205007598U (en) Prevent scaling and reinforce and wash system for evaporimeter
CN203408704U (en) Energy-saving, emission-reducing and consumption-reducing heating device for reaction kettle
CN211419645U (en) Distilled water generator device
CN208182648U (en) It a kind of quickening waste water evaporative desalination and reduces and steams salt exhaust system
CN207247952U (en) Cantilevered heater for high concentration inspissator
CN202576018U (en) Short flow-path difficult waste water treatment device
CN212057242U (en) Boiler make-up water equipment
CN106830212A (en) A kind of marine exhaust processes the device of ballast water
CN216930352U (en) Electromagnetic heating device
CN210179887U (en) Electromagnetic water heater special for bathroom
CN202709839U (en) Cooling pipe for etching liquid cyclic regeneration device
CN214654297U (en) Pharmacy effluent treatment plant based on subcritical oxidation technique
CN219991218U (en) Negative pressure concentration device of natural hot spring water
CN213357206U (en) Wastewater treatment device for needle coke production
CN206447715U (en) A kind of secondary water treatment facilities
CN209741277U (en) Pickling bath
CN212504065U (en) Multifunctional water purifier with intelligent temperature control function
CN211503383U (en) Fermentation circulating water cooling device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant