CN2412644Y - Moving bed purifying device - Google Patents
Moving bed purifying device Download PDFInfo
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- CN2412644Y CN2412644Y CN 00209325 CN00209325U CN2412644Y CN 2412644 Y CN2412644 Y CN 2412644Y CN 00209325 CN00209325 CN 00209325 CN 00209325 U CN00209325 U CN 00209325U CN 2412644 Y CN2412644 Y CN 2412644Y
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Abstract
The utility model relates to a moving bed purifying device, which comprises a purifying adsorbing belt, an adsorbing belt driving device, an adsorbing purifying area container and a desorbing regenerating area container. The purifying adsorbing belt is penetrated in the narrow mouth between the adsorbing purifying area container and the desorbing regenerating area container, the inlet and outlet of fluid, the inlet of heating airflow and the outlet of desorbing material are arranged at two sides of the purifying adsorbing belt in the adsorbing purifying area container and the desorbing regenerating area container, the desorbing area is provided with a heating device, and the purifying belt is fixed on the transmission device of a cage type rotating device. The utility model has the advantages of high adsorbing efficiency, low operating cost, small passing resistance, strong process applicability and small size, and the utility model is particularly suitable for the purification of the fluid in high flow rate and low concentration.
Description
The utility model relates to a kind of purifier, especially a kind of moving bed purifier.
At present, the normal adsorptive purifier that adopts on to the purified treatment of industrial waste gas waste liquid, used adsorptive purifier generally divide two kinds of quiescent bed and moving beds.Adsorbent in the purifier its adsorption cleaning ability after purifying a certain amount of waste gas or waste liquid will reduce.The quiescent bed purifier is wanted the purification process of arrestment when the adsorption capacity of adsorbent reduces, wherein adsorbent is carried out desorption and regeneration operate, or carry out the replacing of adsorbent, and this can reduce the service efficiency of device.Produced the moving bed purifier thus.Moving bed purifier of the prior art is to establish import and export in the device as moving bed, insert granulated sorbent during work continuously, simultaneously, import during waste gas or waste liquid are imported and exported by the adsorbent that is provided with on the moving bed container enters the moving bed container, impact granulated sorbent wherein, in mutual with it contact process, finish the adsorption cleaning process, gas that has purified or liquid are discharged by outlet, set adsorbent is imported and exported and is connected with the adsorbent reactivation device, adsorbent in the moving bed can be discharged in the regenerating unit by conveying device and regenerate, and the good adsorbent of will regenerating is sent in the moving bed container again and used continuously.This moving bed purifier complex structure, operating cost is very high, and especially granular adsorbent is owing to constantly mutual collision friction in conveying and purification process, consume is serious, for keeping the detergent power of purifier, often to replenish in large quantities new adsorbent, make to purify the cost increase.
The purpose of this utility model is to improve the deficiencies in the prior art, provides a kind of simple in structure, and sorbing material is lossless, the moving bed purifier that operating cost is low.
For achieving the above object, the utility model is taked following design:
This moving bed purifier comprises that purifying absorption is with, adsorbs belt driver, adsorption cleaning district container and desorption and regeneration district container, described purifying area container is made of metal, and wall is provided with slot and the seal that comprises the fluid import and export, supplies purification absorption band to walk; Described desorption and regeneration district container is made of metal, and its wall is provided with slot and the seal that comprises heated air stream import and export, desorption material outlet, supplies purification absorption band to walk; Described purification absorption band includes inner core and outer coating, described inner core is become by the NACF felt, described outer coating is wear-resistant, high temperature resistant, corrosion-resistant and ventilative flexible material is made, as stainless (steel) wire, glass fabric etc., it is installed on the described absorption belt driver, can place described slot between described adsorption cleaning district's container and the desorption and regeneration district container with walking; In adsorption cleaning district container, described fluid inlet and outlet is arranged on the wall of both sides of the adsorption cleaning band that wears therebetween, also is arranged at heated air stream import described in the desorption and regeneration district container and desorption material outlet on the wall of both sides of the adsorption cleaning band that wears therebetween.
Described absorption belt driver is a cage modle slewing equipment, described purification absorption band is made the banded integral body or the block of certain width, length and thickness by technological requirement, banded or block purification is adsorbed band and is installed on the described rotating cage modle frame with press strip or frame fixation, and the cage modle frame that purification absorption band is housed is connected with power set and transmission device and makes it can turn round around the central axis of self and the absorption band that is fixed on the described slewing equipment is walked in adsorption cleaning district and desorption and regeneration district with the cage modle frame.Described adsorption cleaning district's container and desorption and regeneration district container are isolated mutually, in purification process, waste gas or waste liquid enter from the import of adsorption cleaning district container, pass and purify the absorption band, harmful substance wherein is cleaned the absorption of absorption band and falls, discharge by outlet through the gas or the liquid that have purified, protected environment; Harmful substance in adsorption cleaning district container in waste gas or the waste liquid is adsorbed onto described purification absorption and is with, when absorption band enters in the desorption and regeneration district container with the rotation of cage modle slewing equipment, carry out desorption and regeneration and handle, thermal desorption can carry out desorption to purifying the absorption band at the vapours or the hot gas of 100 ℃-450 ℃ of described thermal current import feedings; The chemistry desorption can feed water, acid, alkali in described thermal current import, or other washing lotion cleaning, and the purification absorption band after the cleaning is by described steam or hot air seasoning; Behind thermal desorption or chemical desorption, purify the absorption band and enter the high temperature regeneration district, carry out high-temperature activation regeneration processing by the heater that is located at wherein with 450 ℃ of-900 ℃ of high temperature, the scavenging material performance is restored, so that entering next decontamination cycle continues to use, realize the adsorption cleaning of adsorption cleaning-desorption and regeneration-again ... continuous flow procedure, the hot gas that thermal desorption is used, the liquid that the chemistry desorption is used, the product that desorption comes out all can be entered or be discharged by the import and export that desorption and regeneration district container is reserved, and the heating in high temperature regeneration district is available to be preset in its inner electrical heating or gas-operated thermal bath facility and attemperator and to implement.For avoiding process phase mutual interference such as desorption, high temperature regeneration, in desorption and regeneration district container, be provided with partition and constitute desorption district, high temperature regeneration district and heat preservation zone, described partition is provided with the slot that passes through each district for the cage modle slewing equipment of intrinsic purification absorption band, and described slot is provided with seal cover board.
Under the situation of handling big flow waste gas or waste liquid, can not satisfy to purify when requiring the use in parallel of available many playscripts with stage directions device as the device that provides with a playscript with stage directions utility model; Under the waste gas or waste liquid situation of handling high concentration, when requiring as can not satisfy purification with a playscript with stage directions device, available many playscripts with stage directions device series connection is used.
Described motor also can be linear electric motors, gear ring on the associated cage type slewing equipment is transformed into an annulus, linear electric motors are loaded on the fixed support, and the side that the side stator wherein that stator wherein is located at described annulus is located at described annulus is contained in annulus in the groove of stator.Linear electric motors pass to alternating current, and intrinsic purification absorption can be turned round with 4 cage modle slewing equipment 3.
The moving bed purifier that the utility model provides purifies sorbing material not friction and the collision each other in the absorption band in the whole service process, can not produce loss, has prolonged service life greatly.Because the adsorption capacity of NACF felt is than the big manyfold of conventional granular active carbon, therefore consumption is less relatively, again because the absorption of NACF felt, desorption rate is also than the fast hundreds of times of conventional granular active carbon, therefore, and the adsorption efficiency height, desorption and regeneration is easy, and the desorption and regeneration consumed energy is few.In this moving bed purifier, purifying the absorption band is fixed on the rotatable cage modle slewing equipment freely, the turnover of shuttling back and forth in adsorption cleaning district and desorption and regeneration interval, purify the desorption district of absorption band in described two districts and in the desorption and regeneration district, holdup time in high temperature regeneration district and the heat preservation zone can realize by the rotating speed of regulating the cage modle slewing equipment, therefore, in each zone of device of the present utility model, install various checkout gears additional, in production operation, can carry out detecting automatically to clean-up effect in good time, and according to testing result, can adjust or stepping control the speed of service that purifies the absorption band easily, make it operate in optimum state.So the more traditional moving bed of the utility model has the purification efficiency height, equipment volume is little, simple structure, many outstanding advantages such as sorbing material is lossless, and operating cost is low, and Technological adaptability and controllability are strong.
The utility model is described in further detail below in conjunction with accompanying drawing.
The structural representation of a kind of moving bed purifier that Fig. 1 provides for the utility model
Fig. 2 is the schematic top plan view of moving bed purifier shown in Figure 1
Fig. 3 is the structural representation of the cage modle slewing equipment of intrinsic purification absorption band
Fig. 4 is for purifying the structural representation of absorption band
Fig. 5 is provided with the structural representation that the novel another kind of moving bed purifier that provides of basis of Fig. 1 is provided in the position for the fluid inlet and outlet in the adsorption cleaning district container
The horizontal moving bed purifier structural representation that Fig. 6 provides for the utility model
Fig. 7 is two structural representations that moving bed purifier as shown in Figure 1 is connected in parallel
Fig. 8 is the structural representation of this purifier of being connected with linear electric motors
Embodiment 1:
As shown in Figure 1, 2, intrinsic purification absorption includes revolution cage 31, purifies absorption and be fixed on the lateral surface of revolution cage 31, as shown in Figure 3 by framework or press strip with 4 with 4 cage modle slewing equipment 3.Purify absorption with 4 structure as shown in Figure 4, its outside is coated with glass fabric 42, and is by resistant to elevated temperatures carbon filament or metal suture 43 that NACF felt 41 and glass fabric 42 is solid together.In the lower end of turning round cage 31 road wheel 311 is housed, revolution cage 31 places on the track of operation rail frame 33, is provided with a gear ring 32 in the bottom of revolution cage 31, and adjustable speed motor 34 is loaded on the fixed support, a solid gear 35 on its output shaft, and itself and gear ring 32 mesh.Motor 34 rotates, and intrinsic purification absorption can be turned round with 4 cage modle slewing equipment 3.
On the cage modle slewing equipment, be fixed with adsorption cleaning district container 1 and desorption and regeneration district container 2, respectively establish one and have the fixing metal cylindrical shell 21 of going to the bottom at the inside and outside of revolution cage 31,22, in inside and outside cylindrical shell, establish a dividing plate 5, annular space space between inside and outside cylindrical shell is separated into separate two parts, establish two narrow slits on the dividing plate 5, pass when rotating for revolution cage 31, at the narrow slit place and be provided with sealing device, one of separate two parts space of telling by dividing plate 5 promptly constitutes desorption and regeneration district container 2, be provided with two dividing plates 26 within it in addition, also establish the narrow slit and the sealing device that pass for the revolution cage on it, so that desorption and regeneration district container 2 is separated into separate desorption district 23, thermal regeneration district 24 and adjustment cooling area 25.Corresponding desorption district establishes at the place hole 221 as being used to adsorb with the vapours of 4 desorptions or the import of chemical desorbing agent on the outside cylindrical shell 22 that constitutes desorption and regeneration district container 2, establishes the tap 211 of vapours or chemical desorbing agent and desorption thing on inboard cylindrical shell 21.Corresponding thermal regeneration district also establishes a hole 211 in the place on inboard cylindrical shell 21, be used for further discharging the desorption thing, in dividing plate 5 isolated another annular spaces, be provided with some holes equably on the inner/outer tube body sidewall of corresponding position, connect firmly the container of a metallic plate system outside on the outer wall of side neck body, the both sides of the edge of itself and dividing plate 5 seal affixed formation adsorption cleaning district container 1.On the wall of the upper end of metal container made, establish the inlet hole 11 of waste gas, on the following bottom wall between dividing plate 5 and the inboard cylindrical shell 21, be provided with outlet opening 12 for the gas that has purified, the hole that the waste gas that is entered by inlet hole 11 passes on the cylindrical shell 22 of the outside is with 4 to contact with the absorption on the revolution cage that is rotating, and pass it, harmful substance is stayed absorption be with, adsorption cleaning district containers 1 are discharged by outlet opening 12 in the hole that the gas that has purified passes on the inboard cylindrical shell 21 again.The inside and outside cylindrical shell of holes at lateral wall can play protection absorption band and the effect that waste gas is contacted with the absorption band equably.
Annular space place at the upper and lower end of inside and outside side neck body respectively is provided with sealing strip 6 and 7, is just directly discharged by outlet 12 to prevent that waste gas does not pass the absorption band in the adsorption cleaning district.
In adsorption cleaning district container 1, particularly the corner is provided with cloth stream plate 13, avoids waste gas to be detained in corners.The outlet 12 of the Purge gas in the above-mentioned adsorption cleaning district container 1 can also be located on the last bottom wall between dividing plate 5 and the inboard cylindrical shell, as shown in Figure 5, gas is flowed in the flow direction that the both sides that purify the absorption band are 180 ° of turnings, to prolong fluid and the time of contact that purifies the absorption band, to improve purifying rate.
Embodiment 2:
Be illustrated in figure 7 as the structure of two moving bed purifier parallel connections as shown in Figure 1.The adsorption cleaning district container 1 of two covering devices is integrated, the two ends of the described adsorption cleaning district container that is integrated respectively be tightly connected the cage modle slewing equipment and a described desorption and regeneration district container of a described intrinsic purification absorption band, exhaust gas inlet is established in upper end at described adsorption cleaning district container, be provided with cloth stream plate in described container, the described cage modle slewing equipment of both sides connects drive motors separately respectively.Other structure is with embodiment 1.In the same way, in a manner mentioned above, two or more cage type revolution purifiers can be combined, their shared exhaust gas inlet, the outlet of their Purge gas also can be shared one, like this, can make the structure of this purifier compact more, it is bigger that unit volume is handled exhausted air quantity.
Embodiment 3:
As shown in Figure 6, the utility model provides a horizontal moving bed purifier, intrinsic purification absorption is established axle on two bearing blocks 8 with the two ends on 5 the cage modle slewing equipment 3 ', and the gear 35 that an end of the axle of cage modle slewing equipment 3 ' is provided with on gear 9 itself and motor 34 output shafts is connected with a joggle.Adsorption cleaning district container 1 ' and desorption and regeneration district container 2 ' be located at respectively cage modle slewing equipment 3 ' about, by bearing fix with ground on, establish narrow slit and seal on it, make to have the cage modle slewing equipment 3 ' that purifies the absorption band and rotate betwixt and shuttle back and forth.On the wall of adsorption cleaning district container 1 ' and desorption and regeneration district container 2 ', be provided with exhaust gas inlet, clean gas outlet, desorption import and desorption thing tap with hot fluid or chemical agent.Other structure is with embodiment 1.
Embodiment 4:
As shown in Figure 8, in lower end road wheel 311 is housed as the revolution cage 31 of embodiment 1, revolution cage 31 places on the track of operation rail frame 33, bottom at revolution cage 31 is provided with an annulus 32 ', linear electric motors 34 ' are loaded on the fixed support, stator 34 ' wherein-1 is located at the side of annulus 32 ', and the side that stator wherein is located at described annulus 32 ' is contained in annulus in the groove of stator.Linear electric motors 34 ' pass to alternating current, and intrinsic purification absorption can be turned round with 4 cage modle slewing equipment 3.Other structure is with embodiment 1.
Claims (10)
1, a kind of moving bed purifier, it is characterized in that: comprise purifying absorption band, absorption belt driver, adsorption cleaning district container and desorption and regeneration district container, described purifying area container is made of metal, and wall is provided with slot and the seal that comprises the fluid import and export, supplies purification absorption band to walk; Described desorption and regeneration district container is made of metal, and is isolated with described adsorption cleaning district container, and its wall is provided with slot and the seal that comprises heated air stream import and export, desorption material outlet, supplies purification absorption band to walk; Described purification absorption band includes inner core and outer coating, described inner core is become by the NACF felt, described outer coating is wear-resistant, high temperature resistant, corrosion-resistant and ventilative flexible material is made, it is located on the described absorption belt driver, can place described slot between described adsorption cleaning district's container and the desorption and regeneration district container with walking; In adsorption cleaning district container, described fluid inlet and outlet is arranged on the wall of both sides of the adsorption cleaning band that wears therebetween, also is arranged at heated air stream import described in the desorption and regeneration district container and desorption material outlet on the wall of both sides of the adsorption cleaning band that wears therebetween.
2, moving bed purifier according to claim 1, it is characterized in that: described absorption belt driver comprises a cage modle slewing equipment, described purification absorption band is fixedly installed on the cage modle frame of described slewing equipment, the cage modle frame that purifies the absorption band is housed makes it power set and transmission device that the absorption band that can be fixed on the described slewing equipment around the central axis revolution and making of self and cage modle frame walk with one in adsorption cleaning district container and desorption and regeneration district container and be connected.
3, moving bed purifier according to claim 1 and 2 is characterized in that: also be provided with heater and attemperator in the described desorption and regeneration district container.
4, moving bed purifier according to claim 3, it is characterized in that: in described desorption and regeneration district container, be provided with partition and constitute desorption district, high temperature regeneration district and heat preservation zone, establish described heater and attemperator in the high temperature regeneration district, described partition is provided with the slot that passes through each district for the cage modle slewing equipment of intrinsic purification absorption band, and described slot is provided with seal cover board.
5, moving bed purifier according to claim 2, it is characterized in that: the described cage modle slewing equipment of intrinsic purification absorption band includes the revolution cage, purifying the absorption band is fixed on the lateral surface of revolution cage by framework or press strip, purify absorption band outside and be coated with glass fabric, make NACF felt and glass fabric admittedly together by resistant to elevated temperatures carbon filament or metal suture; In the lower end of turning round cage road wheel is housed, the revolution cage places on the track of operation rail frame, is provided with a gear ring in the bottom of revolution cage, and adjustable speed motor is loaded on the fixed support, a solid gear on its output shaft, and itself and gear ring mesh.
6, moving bed purifier according to claim 2, it is characterized in that: the described cage modle slewing equipment of intrinsic purification absorption band includes the revolution cage, purifying the absorption band is fixed on the lateral surface of revolution cage by framework or press strip, purify absorption band outside and be coated with glass fabric, make NACF felt and glass fabric admittedly together by resistant to elevated temperatures carbon filament or metal suture; Road wheel is equipped with in lower end at the revolution cage, and the revolution cage places on the track of operation rail frame, is provided with an annulus in the bottom of revolution cage, and linear electric motors are loaded on the fixed support, and the side that stator wherein is located at described annulus is contained in annulus in the groove of stator.
7, according to claim 5 or 6 described moving bed purifiers, it is characterized in that: fixing described adsorption cleaning district container 1 and desorption and regeneration district container 2 on the cage modle slewing equipment: respectively establish one at described revolution cage inside and outside and have the fixing metal cylindrical shell of going to the bottom, in inside and outside cylindrical shell, establish a dividing plate, annular space space between inside and outside cylindrical shell and inner core inside are separated into separate part, establish two on the dividing plate for turning round the narrow slit that passes when cage rotates, at the narrow slit place and be provided with sealing device, one of separate space of telling by dividing plate promptly constitutes desorption and regeneration district container, be provided with two dividing plates within it in addition, also establish the narrow slit and the sealing device that pass for the revolution cage on it, so that desorption and regeneration district container is separated into separate desorption district, thermal regeneration district and adjustment cooling area; Corresponding desorption district establishes at the place hole as being used to adsorb the vapours of being with desorption or the import of chemical desorbing agent on the outside cylindrical shell that constitutes desorption and regeneration district container, establishes the tap of vapours or chemical desorbing agent and desorption thing on inboard cylindrical shell; Corresponding thermal regeneration district place also establishes a hole that is used for further discharging the desorption thing on inboard cylindrical shell; In isolated another annular space of dividing plate, be provided with some holes equably on the inner/outer tube body sidewall of corresponding position, connect firmly the container of a metallic plate system outside on the outer wall of side neck body, the both sides of the edge of itself and dividing plate seal affixed formation adsorption cleaning district container, on the wall of the upper end of metal container made, establish the inlet hole of waste gas, the following bottom between dividing plate and the inboard cylindrical shell or on be provided with outlet opening on the wall of bottom for the gas that has purified; Annular space place at the upper and lower end of inside and outside side neck body respectively is provided with sealing strip.
8, moving bed purifier according to claim 7 is characterized in that: be provided with cloth stream plate in adsorption cleaning district container.
9, moving bed purifier according to claim 7, it is characterized in that: the two ends of described adsorption cleaning district container respectively be tightly connected the cage modle slewing equipment and a described desorption and regeneration district container of a described intrinsic purification absorption band, exhaust gas inlet is established in upper end at described adsorption cleaning district container, be provided with cloth stream plate in described container, the described cage modle slewing equipment of both sides connects drive motors separately respectively.
10, moving bed purifier according to claim 2, it is characterized in that: axle is established on two bearing blocks in the two ends on the cage modle slewing equipment of intrinsic purification absorption band, and an end of the axle of cage modle slewing equipment is provided with gear, and it is connected with gears engaged on the motor output shaft.Adsorption cleaning district container and desorption and regeneration district container be located at respectively the cage modle slewing equipment about, prop up by bearing and to be fixed on the ground, establish narrow slit and seal on it, make to have the cage modle slewing equipment that purifies the absorption band and rotate betwixt and shuttle back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209325 CN2412644Y (en) | 2000-03-17 | 2000-04-13 | Moving bed purifying device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00206399.9 | 2000-03-17 | ||
| CN00206399 | 2000-03-17 | ||
| CN 00209325 CN2412644Y (en) | 2000-03-17 | 2000-04-13 | Moving bed purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2412644Y true CN2412644Y (en) | 2001-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00209325 Expired - Fee Related CN2412644Y (en) | 2000-03-17 | 2000-04-13 | Moving bed purifying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN2412644Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340818C (en) * | 2001-12-21 | 2007-10-03 | 空间空气有限公司 | Mobile device for aeraulic isolation including air-diffusing chamber with variable geometry against airborne contaminant spread |
| CN101274193B (en) * | 2008-04-18 | 2010-09-01 | 清华大学 | System for purifying flue gas and recovering sulfur and technique |
| CN102430318A (en) * | 2011-11-11 | 2012-05-02 | 上海克硫环保科技股份有限公司 | System for desulfurizing and denitrating active coke flue gas, and process method |
| CN108178451A (en) * | 2016-04-06 | 2018-06-19 | 金华知产婺源信息技术有限公司 | The processing system of ammonia nitrogen in a kind of removal sanitary wastewater |
| CN111054179A (en) * | 2018-10-17 | 2020-04-24 | 上海深城环保设备工程有限公司 | Scanning desorption adsorption concentration device |
| CN113121055A (en) * | 2021-04-19 | 2021-07-16 | 深圳环瑞环保科技有限公司 | Device and method for treating sewage by utilizing cavitation self-rotation adsorption and desorption technology |
-
2000
- 2000-04-13 CN CN 00209325 patent/CN2412644Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340818C (en) * | 2001-12-21 | 2007-10-03 | 空间空气有限公司 | Mobile device for aeraulic isolation including air-diffusing chamber with variable geometry against airborne contaminant spread |
| CN101274193B (en) * | 2008-04-18 | 2010-09-01 | 清华大学 | System for purifying flue gas and recovering sulfur and technique |
| CN102430318A (en) * | 2011-11-11 | 2012-05-02 | 上海克硫环保科技股份有限公司 | System for desulfurizing and denitrating active coke flue gas, and process method |
| CN108178451A (en) * | 2016-04-06 | 2018-06-19 | 金华知产婺源信息技术有限公司 | The processing system of ammonia nitrogen in a kind of removal sanitary wastewater |
| CN108178451B (en) * | 2016-04-06 | 2021-05-07 | 江西清绿环保有限公司 | Treatment system for removing ammonia nitrogen in domestic wastewater |
| CN111054179A (en) * | 2018-10-17 | 2020-04-24 | 上海深城环保设备工程有限公司 | Scanning desorption adsorption concentration device |
| CN111054179B (en) * | 2018-10-17 | 2022-02-11 | 上海深城环保设备工程有限公司 | Scanning desorption adsorption concentration device |
| CN113121055A (en) * | 2021-04-19 | 2021-07-16 | 深圳环瑞环保科技有限公司 | Device and method for treating sewage by utilizing cavitation self-rotation adsorption and desorption technology |
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