CN206587494U - A kind of sewage treatment unit of multistage filtering - Google Patents
A kind of sewage treatment unit of multistage filtering Download PDFInfo
- Publication number
- CN206587494U CN206587494U CN201720256111.8U CN201720256111U CN206587494U CN 206587494 U CN206587494 U CN 206587494U CN 201720256111 U CN201720256111 U CN 201720256111U CN 206587494 U CN206587494 U CN 206587494U
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- China
- Prior art keywords
- support ring
- purifying box
- water inlet
- blowdown tank
- sedimentation basin
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Abstract
The utility model discloses a kind of sewage treatment unit of multistage filtering, including sedimentation basin and purifying box, the sedimentation basin is located at the left side of purifying box, the bottom of the sedimentation basin left side wall is fixed and is communicated with blow-off pipe, the discharge end of the blow-off pipe is provided with capping, the middle part of purifying box upper surface is installed with motor by strut, the top of sedimentation basin right side wall is fixed and is communicated with water inlet pipe, the position of correspondence water inlet pipe water inlet end is installed with sieve plate on sedimentation basin inwall, the water side of water inlet pipe is run through the left side wall of purifying box and connected with the inside of purifying box, water valve is also installed with water inlet pipe.The sewage treatment unit of the multistage filtering, the scope of the upper surface of first connecting rod and the medial surface angulation of the first support ring is 60 to 70 degree, first connecting rod is parallel to each other with second connecting rod, it is in umbrella to make the first filter screen and the second filter screen, solves existing sewage treatment unit and there is the problem of being not easy to blowdown.
Description
Technical field
The utility model is related to sanitary sewage disposal technical field, the sanitary sewage disposal dress of specially a kind of multistage filtering
Put.
Background technology
Water is the valuable source that human lives can not lack, and people are that can produce substantial amounts of sanitary wastewater in normal life,
Sanitary wastewater refers to the washings discharged in resident's daily life, and only seldom a part is by handling in fact for waste water, big portion
Point be all it is untreated be directly discharged into river etc., this can cause serious pollution to environment.
Present sanitary sewage usually requires to reach after multistage filtering drains into river again after discharge standard, existing
There is the impurity produced during the problem of being not easy to blowdown, purification sewage and be easily deposited in device in sewage treatment unit,
Effluent flow rate is influenceed, treatment effeciency is reduced.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of sewage treatment unit of multistage filtering, solution
There is the problem of being not easy to blowdown in existing sewage treatment unit of having determined.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs：A kind of life of multistage filtering
Sewage-treatment plant, including sedimentation basin and purifying box, the sedimentation basin are located at the left side of purifying box, the sedimentation basin left side wall
Bottom is fixed and is communicated with blow-off pipe, and the discharge end of the blow-off pipe, which is provided with the middle part of capping, the purifying box upper surface, to be passed through
Strut is installed with motor, the top of the sedimentation basin right side wall fix be communicated with it is right on water inlet pipe, the sedimentation basin inwall
Answer the position of water inlet pipe water inlet end to be installed with sieve plate, the water side of the water inlet pipe through purifying box left side wall and with it is net
Change and be also installed with water valve on the inside connection of case, the water inlet pipe.
The position of the purifying box roof correspondence motor offers through hole, and the inside of the through hole is installed with axle respectively
Hold and be located at the surface of bearing with machine envelope, the machine envelope, the inside fixed cover of the bearing is connected to rotating shaft, the top of the rotating shaft
Extend through bearing and machine seals and extends to the outside of purifying box, and the top of rotating shaft is consolidated by the output end of shaft coupling and motor
Fixed connection, the machine sealing is socketed in the outer surface of rotating shaft surely, and the bottom of the rotating shaft runs through bearing and extends to purifying box
Inside, the outer surface of the rotating shaft is installed with the first filter frame and the second filter frame respectively, and first filter frame is located at the second filter
The surface of frame, first filter frame and the second filter frame are respectively positioned on the inside of purifying box.
First filter frame includes the first retainer ring and the first support ring, and first retainer ring is fixedly sleeved in rotating shaft
Outer surface, the lateral surface of first retainer ring is fixedly connected with the medial surface of the first support ring by first connecting rod, and described
It is fixedly connected with the first filter screen between the lateral surface of one retainer ring and the medial surface of the first support ring, second filter frame includes the
Outside two retainer rings and the second support ring, the fixedly sleeved outer surface in rotating shaft of the second retainer ring, second retainer ring
Side is fixedly connected with the medial surface of the second support ring by second connecting rod, the lateral surface of second retainer ring and the second support
The position that the first support ring of correspondence is fixedly connected with the second filter screen, the purification chamber interior wall between the medial surface of ring offers the
One annular spacing groove, the inside of the first annular stopper slot is connected with first annular limited block, the first annular limited block
Medial surface be fixedly connected with the lateral surface of the first support ring, it is described purification chamber interior wall on correspondence the second support ring position open up
There is the second annular spacing groove, the inside of second annular spacing groove is connected with the second annular stop block, the second annular limit
The medial surface of position block is fixedly connected with the lateral surface of the second support ring, is fixed successively from top to bottom on the right side wall of the purifying box
The first blowdown tank, the second blowdown tank and outlet pipe are communicated with, the front of first blowdown tank and the second blowdown tank is provided with
Chamber door.
It is preferred that, the feed end of first blowdown tank and the upper surface of the first support ring are located at same level height, institute
State the feed end of the second blowdown tank and the upper surface of the second support ring is located at same level height, the following table of first blowdown tank
Angulation is 50 degree between face and purifying box right flank, and first blowdown tank is parallel to each other with the second blowdown tank, institute
State blow-off pipe and the first blowdown tank size is identical.
It is preferred that, the scope of the medial surface angulation of the upper surface of the first connecting rod and the first support ring for 60 to
70 degree, the first connecting rod is parallel to each other with second connecting rod.
It is preferred that, the upper surface of first support ring and the second support ring has been fixedly connected with guide plate, the guide plate
Height is 1/2nd of the first blowdown tank diameter.
It is preferred that, the water inlet end of the outlet pipe is located at the underface of the second annular spacing groove, described first annular spacing
The upper surface of the upper surface of block and the first support ring is located at same level height, the upper surface of the second annular stop block and the
Two support rings are located at same level height.
It is preferred that, the diameter range that the sieve plate is in sieve aperture on dome-type, the sieve plate is one to two centimetre, described first
Filter screen is non-woven fabric net, and second filter screen is polyester filter screen.
(3) beneficial effect
The utility model provides a kind of sewage treatment unit of multistage filtering, possesses following beneficial effect：
The sewage treatment unit of the multistage filtering, the medial surface institute of the upper surface of first connecting rod and the first support ring into
The scope of angle is 60 to 70 degree, and first connecting rod is parallel to each other with second connecting rod, and it is in umbrella to make the first filter screen and the second filter screen
Shape, by motor drive the first filter frame and the second filter frame rotate sewage is filtered when, the impurity of filtering is to the first support ring
Move, be discharged into respectively in the first blowdown tank and the second blowdown tank, guide plate can strengthen filth-discharging effect with the direction of the second support ring,
Blowdown is convenient, and angulation is 50 degree between the lower surface and purifying box right flank of the first blowdown tank, the first blowdown tank and
Second blowdown tank is parallel to each other, and the impurity filtered out is difficult to flow back out of the first blowdown tank and the second blowdown tank, and impurity will not
The flow velocity of sewage is influenceed, purification efficiency will not be reduced, existing sewage treatment unit presence is solved and is not easy to blowdown
Problem.
Brief description of the drawings
Fig. 1 is the utility model structure front view；
Fig. 2 is the utility model structure front elevational view；
Fig. 3 is the enlarged drawing at A in the utility model Fig. 2；
Fig. 4 is the enlarged drawing at B in the utility model Fig. 2.
In figure：1 sedimentation basin, 2 purifying boxs, 3 blow-off pipes, 4 cappings, 5 struts, 6 motors, 7 water inlet pipes, 8 sieve plates, 9 water valves, 10
Through hole, 11 bearings, 12 machines envelope, 13 rotating shafts, 14 shaft couplings, 15 first filter frames, 16 second filter frames, 17 first retainer rings, 18 first
Support ring, 19 first connecting rods, 20 first filter screens, 21 second retainer rings, 22 second support rings, 23 second connecting rods, 24 second filter screens,
25 first annular stopper slots, 26 first annular limited blocks, 27 second annular spacing grooves, 28 second annular stop blocks, 29 first rows
Dirty case, 30 second blowdown tanks, 31 outlet pipes, 32 guide plates, 33 chamber doors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of sanitary sewage disposal dress of multistage filtering
Put, including sedimentation basin 1 and purifying box 2, sedimentation basin 1 is positioned at the left side of purifying box 2, and the bottom of the left side wall of sedimentation basin 1, which is fixed, to be connected
There is blow-off pipe 3, the discharge end of blow-off pipe 3 is provided with capping 4, and the middle part of the upper surface of purifying box 2 is installed with electricity by strut 5
The position for being communicated with the correspondence water inlet end of water inlet pipe 7 on water inlet pipe 7, the inwall of sedimentation basin 1 is fixed on machine 6, the top of the right side wall of sedimentation basin 1
Sieve plate 8 is installed with, the water side of water inlet pipe 7 is run through the left side wall of purifying box 2 and connected with the inside of purifying box 2, intake
Water valve 9 is also installed with pipe 7.
The position of the roof of purifying box 2 correspondence motor 6 offers through hole 10, and the inside of through hole 10 is installed with bearing respectively
11 and machine envelope 12, machine envelope 12 is located at the surfaces of bearing 11, and the inside fixed cover of bearing 11 is connected to rotating shaft 13, the top of rotating shaft 13
Bearing 11 and machine envelope 12 and the outside for extending to purifying box 2 are extended through, and the top of rotating shaft 13 passes through shaft coupling 14 and motor 6
Output end be fixedly connected, machine seals the 12 fixedly sleeved outer surfaces in rotating shaft 13, and the bottom of rotating shaft 13 is through bearing 11 and extends
To the inside of purifying box 2, the outer surface of rotating shaft 13 is installed with the first filter frame 15 and the second filter frame 16, the first filter frame 15 respectively
Positioned at the surface of the second filter frame 16, the first filter frame 15 and the second filter frame 16 are respectively positioned on the inside of purifying box 2.
First filter frame 15 includes the first retainer ring 17 and the first support ring 18, and the first retainer ring 17 is fixedly sleeved in rotating shaft 13
Outer surface, the lateral surface of the first retainer ring 17 is fixedly connected with the medial surface of the first support ring 18 by first connecting rod 19,
The first filter screen 20 is fixedly connected between the lateral surface of one retainer ring 17 and the medial surface of the first support ring 18, the second filter frame 16 is wrapped
Include the second retainer ring 21 and the second support ring 22, the fixedly sleeved outer surface in rotating shaft 13 of the second retainer ring 21, the second retainer ring
21 lateral surface is fixedly connected with the medial surface of the second support ring 22 by second connecting rod 23, the upper surface of first connecting rod 19 and the
The scope of the medial surface angulation of one support ring 18 is 60 to 70 degree, and first connecting rod 19 is mutually flat with second connecting rod 23,
The upper surface of first support ring 18 and the second support ring 22 has been fixedly connected with guide plate 32, and the height of guide plate 32 is the first blowdown tank
Second is fixedly connected between the medial surface of 1/2nd of 29 diameters, the lateral surface of the second retainer ring 21 and the second support ring 22
Filter screen 24, the diameter range that sieve plate 8 is in sieve aperture on dome-type, sieve plate 8 is one to two centimetre, can be flocculated in filtering settling pond 1
The impurity gone out, the first filter screen 20 is non-woven fabric net, and the second filter screen 24 is polyester filter screen, and polyester webs are to utilize textile machine, is used
The screen cloth of different method for weaving braidings, is one of main drying, filtering material, is widely used in papermaking, sewage disposal, system
The position of the first support ring 18 of correspondence offers the on the industries such as sugar, pharmacy, ceramics, food, printing, coal washing, the inwall of purifying box 2
One annular spacing groove 25, the inside of first annular stopper slot 25 is connected with first annular limited block 26, first annular limited block 26
Medial surface be fixedly connected with the lateral surface of the first support ring 18, on the inwall of purifying box 2 correspondence the second support ring 22 position open
Provided with the second annular spacing groove 27, the inside of the second annular spacing groove 27 is connected with the second annular stop block 28, outlet pipe 31
Water inlet end is located at the underface of the second annular spacing groove 27, and the upper surface of first annular limited block 26 is upper with the first support ring 18
Surface is located at same level height, and the upper surface of the second annular stop block 28 is located at same level height with the second support ring 22,
The medial surface of second annular stop block 28 is fixedly connected with the lateral surface of the second support ring 22, from upper on the right side wall of purifying box 2
Fixation is communicated with the first blowdown tank 29, the second blowdown tank 30 and outlet pipe 31, the first blowdown tank 29 and the second blowdown successively under
The front of case 30 is provided with chamber door 33, and the upper surface of the feed end of the first blowdown tank 29 and the first support ring 18 is located at same water
The upper surface of flat height, the feed end of the second blowdown tank 30 and the second support ring 22 is located at same level height, the first blowdown tank
Angulation is 50 degree between 29 lower surface and the right flank of purifying box 2, the first blowdown tank 29 and the phase of the second blowdown tank 30
Mutually parallel, blow-off pipe 3 is identical with the size of the first blowdown tank 29.
In use, sewage is continued in injection sedimentation basin 1, flocculated drug is put into sedimentation basin 1, is opened on water inlet pipe 7
Water valve 9, the sewage in sedimentation basin 1 entered in purifying box 2 after the filtering of sieve plate 8 by water inlet pipe 7, starts motor 6, electricity
Machine 6 drives the first filter frame 15 and the second filter frame 16 to rotate, and the impurity under being filtered by the first filter screen 20 and the second filter screen 24, which is followed, to be turned
The rotation of axle 13 point is moved to the first support ring 18 and the second support ring 22, and being oriented to impurity by guide plate 32 enters the first blowdown
The blowdown tank 30 of case 29 and second, the sewage after filtering is needing to carry out clearly the impurity filtered down by the water outlet of outlet pipe 31
During reason, the water in sedimentation basin 1 is evacuated, capping 4 is opened, the sludge of precipitation in sedimentation basin 1 can be cleared up by blow-off pipe 3,
Off working state, opening chamber door 33 can clear up the impurity in the first blowdown tank 29 and the second blowdown tank 30.
In summary, the sewage treatment unit of the multistage filtering, the upper surface of first connecting rod 19 and the first support ring
The scope of 18 medial surface angulation is 60 to 70 degree, and first connecting rod 19 is parallel to each other with second connecting rod 23, makes first
The filter screen 24 of filter screen 20 and second is in umbrella, drives the first filter frame 15 and the second filter frame 16 to rotate and carried out to sewage by motor 6
During filter, the impurity of filtering is moved to the direction of the first support ring 18 and the second support ring 22, and the He of the first blowdown tank 29 is discharged into respectively
In second blowdown tank 30, guide plate 32 can strengthen filth-discharging effect, and blowdown is convenient, lower surface and the purifying box 2 of the first blowdown tank 29
Angulation is 50 degree between right flank, and the first blowdown tank 29 is parallel to each other with the second blowdown tank 30, and what is filtered out is miscellaneous
Matter is difficult to flow back out of the first blowdown tank 29 and the second blowdown tank 30, and impurity does not interfere with the flow velocity of sewage, will not reduce purification
Efficiency, solves existing sewage treatment unit and there is the problem of being not easy to blowdown.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ", the electricity occurred in this article
Device element is electrically connected with extraneous main controller and 220V civil powers, and main controller can play the routine of control for computer etc.
Know equipment.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of sewage treatment unit of multistage filtering, including sedimentation basin (1) and purifying box (2), sedimentation basin (1) position
Left side in purifying box (2), the bottom of sedimentation basin (1) left side wall, which is fixed, is communicated with blow-off pipe (3), the blow-off pipe (3)
Discharge end be provided with capping (4), the middle part of purifying box (2) upper surface is installed with motor (6) by strut (5),
It is characterized in that：It is right on water inlet pipe (7), sedimentation basin (1) inwall that the top fixation of sedimentation basin (1) right side wall is communicated with
The position of water inlet pipe (7) water inlet end is answered to be installed with sieve plate (8), the water side of the water inlet pipe (7) is through purifying box (2)
Left side wall is simultaneously connected with the inside of purifying box (2), and water valve (9) is also installed with the water inlet pipe (7)；
The position of purifying box (2) the roof correspondence motor (6) offers through hole (10), and the inside of the through hole (10) is solid respectively
Dingan County equipped with bearing (11) and machine envelope (12), machine envelope (12) positioned at the surface of bearing (11), the bearing (11) it is interior
Portion's fixed cover is connected to rotating shaft (13), and the top of the rotating shaft (13) extends through bearing (11) and machine envelope (12) and extends to purification
The outside of case (2), and the top of rotating shaft (13) is fixedly connected by shaft coupling (14) with the output end of motor (6), the machine envelope
(12) the fixedly sleeved outer surface in rotating shaft (13), the bottom of the rotating shaft (13) runs through bearing (11) and extends to purifying box
(2) inside, the outer surface of the rotating shaft (13) is installed with the first filter frame (15) and the second filter frame (16), described respectively
One filter frame (15) is located at the surface of the second filter frame (16), and first filter frame (15) and the second filter frame (16) are respectively positioned on purifying box
(2) inside；
First filter frame (15) includes the first retainer ring (17) and the first support ring (18), and first retainer ring (17) is fixed
The outer surface of rotating shaft (13) is socketed in, the lateral surface and the medial surface of the first support ring (18) of first retainer ring (17) pass through
First connecting rod (19) is fixedly connected, solid between the lateral surface of first retainer ring (17) and the medial surface of the first support ring (18)
Surely the first filter screen (20) is connected with, second filter frame (16) includes the second retainer ring (21) and the second support ring (22), described
Second retainer ring (21) fixedly sleeved outer surface in rotating shaft (13), the lateral surface of second retainer ring (21) and the second support
The medial surface of ring (22) is fixedly connected by second connecting rod (23), the lateral surface and the second support ring of second retainer ring (21)
(22) the first support ring of correspondence (18) on the second filter screen (24), purifying box (2) inwall is fixedly connected between medial surface
Position offer first annular stopper slot (25), the inside of the first annular stopper slot (25) is connected with first annular spacing
Block (26), the medial surface of the first annular limited block (26) is fixedly connected with the lateral surface of the first support ring (18), described net
The position for changing the second support ring of correspondence (22) on case (2) inwall offers the second annular spacing groove (27), the second annular limit
The inside of position groove (27) is connected with the second annular stop block (28), the medial surface of the second annular stop block (28) and second
The lateral surface of pushing out ring (22) is fixedly connected, and fixation is communicated with first row successively from top to bottom on the right side wall of the purifying box (2)
The front of dirty case (29), the second blowdown tank (30) and outlet pipe (31), first blowdown tank (29) and the second blowdown tank (30)
It is provided with chamber door (33).
2. a kind of sewage treatment unit of multistage filtering according to claim 1, it is characterised in that：The first row
The feed end of dirty case (29) and the upper surface of the first support ring (18) are located at same level height, second blowdown tank (30)
The upper surface of feed end and the second support ring (22) is located at same level height, the lower surface of first blowdown tank (29) with it is net
Angulation is 50 degree between changing case (2) right flank, and first blowdown tank (29) is mutually flat with the second blowdown tank (30)
OK, the blow-off pipe (3) is identical with the first blowdown tank (29) size.
3. a kind of sewage treatment unit of multistage filtering according to claim 1, it is characterised in that：Described first connects
The scope of the upper surface of bar (19) and the medial surface angulation of the first support ring (18) is 60 to 70 degree, and described first connects
Bar (19) is parallel to each other with second connecting rod (23).
4. a kind of sewage treatment unit of multistage filtering according to claim 1, it is characterised in that：Described first
The upper surface of pushing out ring (18) and the second support ring (22) has been fixedly connected with guide plate (32), and the height of the guide plate (32) is first
/ 2nd of blowdown tank (29) diameter.
5. a kind of sewage treatment unit of multistage filtering according to claim 1, it is characterised in that：The outlet pipe
(31) water inlet end is located at the underface of the second annular spacing groove (27), the upper surface of the first annular limited block (26) and the
The upper surface of one support ring (18) is located at same level height, the upper surface of the second annular stop block (28) and the second support
Ring (22) is located at same level height.
6. a kind of sewage treatment unit of multistage filtering according to claim 1, it is characterised in that：The sieve plate
(8) in dome-type, the diameter range of sieve aperture is one to two centimetre on the sieve plate (8), and first filter screen (20) is non-woven fabrics
Net, second filter screen (24) is polyester filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256111.8U CN206587494U (en) | 2017-03-16 | 2017-03-16 | A kind of sewage treatment unit of multistage filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256111.8U CN206587494U (en) | 2017-03-16 | 2017-03-16 | A kind of sewage treatment unit of multistage filtering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206587494U true CN206587494U (en) | 2017-10-27 |
Family
ID=60124246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720256111.8U Expired - Fee Related CN206587494U (en) | 2017-03-16 | 2017-03-16 | A kind of sewage treatment unit of multistage filtering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206587494U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715547A (en) * | 2017-10-31 | 2018-02-23 | 无锡德沃精工设备有限公司 | A kind of superfinishing oil filter plant of good filtration effect |
| CN110425656A (en) * | 2019-07-11 | 2019-11-08 | 深圳市俊达通办公智能科技有限公司 | A kind of ultraviolet disinfection formula air cleaning facility for smart home |
| CN111604020A (en) * | 2020-05-23 | 2020-09-01 | 江西思派思香料化工有限公司 | Multistage filtration reation kettle of natural spices production usefulness |
| CN117482631A (en) * | 2024-01-02 | 2024-02-02 | 北京禹涛环境工程有限公司 | Low-power hospital sewage treatment device |
-
2017
- 2017-03-16 CN CN201720256111.8U patent/CN206587494U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715547A (en) * | 2017-10-31 | 2018-02-23 | 无锡德沃精工设备有限公司 | A kind of superfinishing oil filter plant of good filtration effect |
| CN110425656A (en) * | 2019-07-11 | 2019-11-08 | 深圳市俊达通办公智能科技有限公司 | A kind of ultraviolet disinfection formula air cleaning facility for smart home |
| CN111604020A (en) * | 2020-05-23 | 2020-09-01 | 江西思派思香料化工有限公司 | Multistage filtration reation kettle of natural spices production usefulness |
| CN117482631A (en) * | 2024-01-02 | 2024-02-02 | 北京禹涛环境工程有限公司 | Low-power hospital sewage treatment device |
| CN117482631B (en) * | 2024-01-02 | 2024-03-22 | 北京禹涛环境工程有限公司 | Low-power hospital sewage treatment device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180316 |