CN211198900U - Small-size environmental protection effluent treatment plant - Google Patents

Small-size environmental protection effluent treatment plant Download PDF

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Publication number
CN211198900U
CN211198900U CN201921701009.XU CN201921701009U CN211198900U CN 211198900 U CN211198900 U CN 211198900U CN 201921701009 U CN201921701009 U CN 201921701009U CN 211198900 U CN211198900 U CN 211198900U
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China
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pipe
water
filter
cylinder
environmental protection
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Expired - Fee Related
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CN201921701009.XU
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Chinese (zh)
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李利
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Individual
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Individual
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Priority to CN201921701009.XU priority Critical patent/CN211198900U/en
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Publication of CN211198900U publication Critical patent/CN211198900U/en
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Abstract

The utility model discloses a small-size environmental protection effluent treatment plant, including the cartridge filter, filter sleeve, thick filter screen, thin filter screen, thick absorption core, thin absorption core, apopore, the outlet pipe, go out the water flange, a light section of thick bamboo, the support body, the force (forcing) pump fixed plate, the force (forcing) pump, the drinking-water pipe, the hose, quick-operation joint, the steel pipe, advance dirty pipe, the inlet tube, the flange that intakes, ultraviolet tube, motor, reduction gear, the pivot, the crossbeam, the stirring rake, a disinfection section of thick bamboo, the connecting pipe, the liquid medicine bucket, the disinfection pipe, miniature diaphragm pump, the water purification pipe, water purification valve and shift knob. The utility model discloses the beneficial effect who gains is: (1) the structure is simple; (2) the sewage treatment device can purify sewage, can kill germs and bacteria in the sewage, and can disinfect the treated sewage to ensure that infectious diseases cannot be bred in the use process of clear water treated by the device.

Description

Small-size environmental protection effluent treatment plant
Technical Field
The utility model relates to an environmental protection device, in particular to a wastewater treatment device.
Background
At present, along with the enhancement of environmental awareness, the treatment to waste water has gradually aroused social importance, so, in the waste water treatment field, diversified waste water treatment device has appeared, however, these current waste water treatment device, the main effect filters the impurity in the waste water and gets rid of various chemical substances in the waste water, to germ and bacterium in the waste water, then relates to seldom, so, the waste water of its processing, although cleaner, in view of there are more germ and bacterium, easily breed the infectious disease.
Disclosure of Invention
The utility model discloses the problem that solves is: provides a small-sized environment-friendly wastewater treatment device which has simple structure and good sterilization and disinfection functions while purifying sewage.
In order to solve the above problem, the utility model discloses a small-size environmental protection effluent treatment plant, include:
the top of the filter cylinder is provided with an opening;
the filter sleeve is arranged in the filter cartridge, the top end of the filter sleeve is hung at the opening of the filter cartridge, the diameter of the filter sleeve is gradually reduced from top to bottom, a coarse filter screen, a fine filter screen, a coarse adsorption core and a fine adsorption core are sequentially arranged in the filter sleeve from top to bottom, gaps are gradually formed in the coarse filter screen, the fine filter screen, the coarse adsorption core and the fine adsorption core, and a water outlet hole is formed in the bottom surface of the filter sleeve;
the water outlet pipe is arranged at the bottom of the filter cartridge and communicated with the filter cartridge, and the top end of the water outlet pipe is provided with a water outlet flange;
the illumination cylinder is made of transparent materials and arranged below the filter cylinder;
the filter cartridge and the illumination cylinder are fixed on the frame body;
the device comprises a frame body, a pressure pump fixing plate, a hose, a quick connector, a steel pipe, a sewage inlet pipe, a sewage outlet pipe, a water inlet pipe, a water outlet pipe, a water inlet pipe and a water outlet pipe, wherein the frame body is fixed on the frame body;
the water inlet pipe is provided with the top of the illumination cylinder and communicated with the illumination cylinder, the top of the water inlet pipe is provided with a water inlet flange, the water inlet flange is matched with the water outlet flange, and the water inlet flange is fixedly connected with the water outlet flange through bolts and nuts;
a plurality of annular ultraviolet lamp tubes which surround the outer wall of the illumination cylinder;
the motor is fixed at the bottom of the illumination cylinder, a speed reducer is arranged on the motor, a main shaft is arranged on the speed reducer, and the main shaft is inserted into the illumination cylinder and is fixedly provided with a rotating shaft;
the beam is fixed in the illumination cylinder, and the top end of the rotating shaft is inserted into the beam;
a plurality of stirring paddles are uniformly distributed on the rotating shaft;
the disinfection cylinder is arranged below any one side of the illumination cylinder;
one end of the connecting pipe is connected with the top end of the sterilizing cylinder, and the other end of the connecting pipe is connected with the bottom end of the illumination cylinder;
the disinfectant liquid barrel is internally provided with disinfectant liquid, a disinfection pipe is connected between the disinfectant liquid barrel and the connecting pipe, and a micro diaphragm pump is connected on the disinfection pipe;
and the water purifying pipe is connected with the bottom end of the disinfecting cylinder, and a water purifying valve for controlling the opening and closing of the water purifying pipe is arranged on the water purifying pipe.
And a switch button for controlling the on-off of the pressure pump, the ultraviolet lamp tube and the micro diaphragm pump.
Further, the utility model discloses a small-size environmental protection effluent treatment plant, be fixed with a bearing frame on the support body, be equipped with a first bearing in the bearing frame, the steel pipe inserts in first bearing.
Further, the utility model discloses a small-size environmental protection effluent treatment plant, be equipped with a ball valve on the outlet pipe.
Further, the utility model discloses a small-size environmental protection effluent treatment plant, be equipped with the sealing washer between main shaft and the illumination section of thick bamboo, link to each other through the shaft coupling is fixed between main shaft and the pivot, be equipped with the second bearing between pivot and the crossbeam.
Further, the utility model discloses a small-size environmental protection effluent treatment plant, be equipped with the connecting valve that a control connecting pipe opened and close on the connecting pipe.
Further, the utility model discloses a small-size environmental protection effluent treatment plant, be equipped with rings on the filter sleeve.
Further, the utility model discloses a small-size environmental protection effluent treatment plant, top-down is equipped with first lock ring, second lock ring, third lock ring and fourth lock ring respectively in the filter cartridge, thick filter screen cup joints on first lock ring, the fine filter screen cup joints on the second lock ring, thick absorption core cup joints on the third lock ring, the fine absorption core cup joints on the fourth lock ring.
Furthermore, the small-sized environmental protection wastewater treatment device of the utility model is characterized in that the thick absorption core and the thin absorption core are made of activated carbon.
The utility model discloses the beneficial effect who gains is: (1) the structure is simple; (2) filter and adsorb sewage through cartridge filter and filter sleeve, disinfect to the water that flows into in the illumination section of thick bamboo through the ultraviolet lamp fluorescent tube, disinfect the water that gets into in the disinfection section of thick bamboo through the antiseptic solution, so, can realize the purification treatment to sewage, can exterminate germ and the bacterium in aquatic again, disinfect the sewage of handling simultaneously, guarantee that the clear water after this device is handled can not breed the infectious disease at the in-process that uses.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the filter sleeve.
In the figure: 1. a filter sleeve, 2, a lifting ring, 3, a filter cartridge, 4, a frame body, 5, a water outlet pipe, 6, a ball valve, 7, a water outlet flange, 8, a beam, 9, a second bearing, 10, a water inlet flange, 11, a water inlet pipe, 12, a lighting cylinder, 13, an ultraviolet lamp tube, 14, a switch button, 15, a connecting valve, 16, a disinfection cylinder, 17, a water purification pipe, 18, a water purification valve, 19, a micro diaphragm pump, 20, a liquid medicine barrel, 21, a disinfection pipe, 22, a connecting pipe, 23, a speed reducer, 24, a sealing ring, 25, a shaft coupling, 26, a stirring paddle, 27, a rotating shaft, 28, a main shaft, 29, a motor, 30, a water pumping pipe, 31, a pressure pump fixing plate, 32, a pressure pump, 33, a hose, 34, a quick connector, 35, a bearing seat, 36, a first bearing, 37, a steel pipe, 38, a dirt inlet pipe, 39, a disinfection cylinder, 40, a coarse, 42. fine filter screen 43, second lock ring, 44, third lock ring, 45, thick absorption core, 46, fourth lock ring, 47, fine absorption core, 48, apopore.
Detailed Description
As shown in fig. 1 and 2, the small-sized environmental protection wastewater treatment device comprises a filter cartridge 3, an opening is arranged at the top of the filter cartridge 3, a filter sleeve 1 is arranged in the filter cartridge 3, and the top end of the filter sleeve 1 is hung at the opening of the filter cartridge 3, so that the filter sleeve 1 can be taken out from the filter cartridge 3 at any time, and the filter sleeve 1 can be hung in the filter cartridge 3 at any time, that is, the filter sleeve and the filter cartridge 3 of 1 can be combined into a whole at any time and can be separated at any time.
In this embodiment, the filter sleeve 1 is in a circular truncated cone shape, the diameter of the filter sleeve 1 is gradually reduced from top to bottom, a coarse filter screen 40, a fine filter screen 42, a coarse adsorption core 45 and a fine adsorption core 47 are sequentially arranged in the filter sleeve 1 from top to bottom, gaps are gradually formed in the coarse filter screen 40, the fine filter screen 42, the coarse adsorption core 45 and the fine adsorption core 47, and a water outlet 48 is formed in the bottom surface of the filter sleeve 1.
Therefore, the sewage flowing into the filter sleeve 1 from the top end thereof is filtered by the coarse filter screen 40 and the fine filter screen 42, and then the larger particles of impurities are filtered and stay on the coarse filter screen 40 and the fine filter screen 42, and then the fine particles are adsorbed by the coarse adsorption core 45 and the fine adsorption core 47, so that the sewage becomes clear water after the filter sleeve is treated, and only the clear water contains a large amount of bacteria and germs, and then the clear water after the filter sleeve 1 is treated flows into the filter cylinder 3 through the water outlet 48 at the bottom of the filter sleeve 1 under the action of self gravity.
The bottom of cartridge filter 3 is equipped with a outlet pipe 5, and outlet pipe 5 is linked together with cartridge filter 3, and the top of outlet pipe 5 is equipped with a delivery flange 7.
An illumination cylinder 12 is arranged below the filter cylinder 3, the illumination cylinder 12 or the main body part of the illumination cylinder 12 is made of transparent material, in the embodiment, the illumination cylinder 12 is made of transparent plastic.
In other embodiments, the illumination cylinder 12 is made of glass, the cylindrical surface of the illumination cylinder 12 is made of glass, and other auxiliary parts can be made of stainless steel or the like.
The small-sized environmental protection wastewater treatment device of this embodiment further comprises a frame body 4, the frame body 4 is a basic member of this embodiment, and the filter cartridge 3 and the illumination cylinder 12 are both fixed on the frame body 4.
Still be fixed with a force (forcing) pump fixed plate 31 on the support body 4, be equipped with a force (forcing) pump 32 on the force (forcing) pump fixed plate 31, be equipped with water pumping hole and outlet on the force (forcing) pump 32, water pumping hole department is connected with a drinking-water pipe 30, and outlet department is connected with a hose 33, and the top of hose 33 is equipped with a quick-operation joint 34, is connected with a steel pipe 37 on the quick-operation joint 34, is connected with a dirty tub of intaking 38 on the steel pipe 37, dirty tub of intaking 38 export is arranged in directly over cartridge filter.
The booster pump 32 is started, sewage can be sucked in through the water pumping pipe 30, the sucked sewage enters the hose 33, the steel pipe 37 and the sewage inlet pipe 38 in sequence after being pressurized by the booster pump 32, and finally flows into the filter cylinder 3 and the filter sleeve 1 through the sewage inlet pipe 38.
Since the dirt intake pipe 38 is disposed above the filter cartridge 3, when the filter cartridge 1 needs to be taken out or put in, the filter cartridge 1 interferes with the filter cartridge 1, and therefore, the steel pipe 37 and the quick coupling 34 can be disconnected, and then the steel pipe 37 and the dirt intake pipe 38 are rotated by using the central axis of the steel pipe 37 as the rotation axis, so that the dirt intake pipe 38 rotates to one side of the filter cartridge 3, and thus, when the filter cartridge 1 is taken out or put in, the dirt intake pipe does not interfere with the filter cartridge 1.
After the filter sleeve 1 is taken and placed, the steel pipe 37 is rotated again, so that the outlet of the sewage inlet pipe 38 is positioned right above the filter cylinder 3, and finally the steel pipe 37 is butted with the quick connector 34.
The top of illumination section of thick bamboo 12 is equipped with inlet tube 11, and inlet tube 11 is linked together with illumination section of thick bamboo 12, and the top of inlet tube 11 is equipped with into water flange 10, and the flange 10 of intaking matches with a water flange 7, and it is fixed continuous through bolt and nut between flange 10 and the water flange 7 to intake.
Through the water outlet pipe 5, the water outlet flange 7, the water inlet flange 10 and the water inlet pipe 11, the clean water treated by the filter cartridge 3 flows into the illumination cylinder 12 for the next step of treatment.
The outer wall of the illumination cylinder 12 is surrounded with a plurality of ultraviolet lamp tubes 13, when the ultraviolet lamp tubes 13 are started, ultraviolet rays can be emitted, and the ultraviolet rays penetrate through the illumination cylinder 12, so that the clear water in the illumination cylinder 12 can be sterilized, and most of germs and bacteria can be killed.
The bottom of the illumination cylinder 12 is fixed with a motor 29, the motor 29 is provided with a speed reducer 23, the speed reducer 23 is provided with a main shaft 28, the main shaft 28 is inserted into the illumination cylinder 12 and is fixed with a rotating shaft 27, and the rotating shaft 27 is uniformly provided with a plurality of stirring paddles 26.
The motor 29 is started, after the speed is reduced by the speed reducer 23, the main shaft 28 continuously rotates, while the main shaft 28 rotates, the rotating shaft 27 and the stirring paddle 26 are also driven to continuously rotate, and the stirring paddle 26 rotates to stir the water in the illumination cylinder 12, so that the water in the illumination cylinder 12 continuously flows, and thus, the ultraviolet rays emitted by the ultraviolet lamp tube 13 irradiate the water in the illumination cylinder 12 more uniformly, thereby better realizing the sterilization function.
A beam 8 is fixed in the illumination cylinder 12, and the top end of the rotating shaft 17 is inserted into the beam 8, so that the rotating shaft 27 can be effectively supported, and the rotating shaft 27 and the stirring paddle 26 are more stable when rotating.
A disinfection cylinder 39 is arranged below any side of the illumination cylinder 12, a connecting pipe 22 is arranged between the disinfection cylinder 39 and the illumination cylinder 12, and the illumination cylinder 12 is communicated with the disinfection cylinder 39 through the connecting pipe 22, so that water in the illumination cylinder 12 can continuously flow into the disinfection cylinder 39 through the connecting pipe 22 after being sterilized.
One side of the disinfection cylinder 39 is provided with a liquid medicine barrel 20, disinfection liquid is arranged in the barrel, a disinfection pipe 21 is connected between the liquid medicine barrel 20 and the connecting pipe 22, and the disinfection pipe 21 is connected with a micro diaphragm pump 19.
When the micro diaphragm pump 19 is started, the disinfectant in the liquid medicine barrel 20 is continuously pressed into the connecting pipe 22 through the disinfection pipe 21, and then flows into the disinfection barrel 39, and the disinfectant in the disinfection barrel 39 is disinfected, so that the disinfection function is realized.
The bottom end of the disinfection cylinder 39 is connected with a water purification pipe 17, the water purification pipe 17 is provided with a water purification valve 18, the water purification valve 18 is opened, and the purified water disinfected by the disinfection cylinder 39 can be discharged and used through the water purification pipe 17.
The small-sized environmental protection wastewater treatment device of this embodiment is provided with a switch button 14 for controlling the on/off of the pressure pump 32, the ultraviolet lamp 13 and the micro diaphragm pump 19, so that the operation is very convenient.
Generally, the switch button 14 is fixed on the frame body 4, and the height from the ground is about 1.5 m, so that people with normal height can control the switch button conveniently.
The small-size environmental protection effluent treatment plant of this embodiment is fixed with a bearing frame 35 on the support body 4, is equipped with a first bearing 36 in the bearing frame 35, and steel pipe 37 inserts in first bearing 36, therefore is convenient for rotatory to steel pipe 37, and then is convenient for rotate dirty pipe 38 of advancing.
The small-sized environmental protection wastewater treatment device of the embodiment is provided with the ball valve 6 on the water outlet pipe 5, thereby being convenient for controlling the on-off of the water outlet pipe 5.
In the small-sized environment-friendly wastewater treatment device of the embodiment, the sealing ring 24 is arranged between the main shaft 28 and the illumination cylinder 12, so that the sealing performance of the illumination cylinder 12 can be ensured, the leakage in the illumination cylinder 12 is avoided, and the main shaft 28 and the rotating shaft 27 are fixedly connected through the coupler 25, so that the main shaft 28 and the rotating shaft 27 can be firmly fixed into a whole; the second bearing 9 is provided between the rotary shaft 27 and the cross member 8, so that smooth rotation of the rotary shaft 27 can be ensured.
The small-sized environment-friendly wastewater treatment device of the embodiment is provided with a connecting valve 15 on the connecting pipe 22, and the on-off of the connecting pipe 22 can be conveniently controlled through the connecting valve 15.
The small-size environmental protection effluent treatment plant of this embodiment is equipped with rings 2 on the filter sleeve 1, through rings 2, can further conveniently go to put filter sleeve 1.
The small-size environmental protection effluent treatment plant of this embodiment, top-down is equipped with first lock ring 41 respectively in the filter sleeve 1, the second lock ring 43, third lock ring 44 and fourth lock ring 46, thick filter screen 40 cup joints on first lock ring 41, thin filter screen 42 cup joints on second lock ring 43, thick absorption core 45 cup joints on third lock ring 44, thin absorption core 47 cup joints on fourth lock ring 46, therefore, be convenient for change thick filter screen 40, thin filter screen 42, thick absorption core 45 and thin absorption core 47, and simultaneously, still be convenient for clear up whole filter sleeve 1.
In the small-sized environmental protection wastewater treatment device of the embodiment, the coarse adsorption core 45 and the fine adsorption core 47 are both made of activated carbon.

Claims (8)

1. A small-sized environmental protection waste water treatment device is characterized by comprising:
the top of the filter cartridge (3) is provided with an opening;
the filter sleeve (1) is arranged in the filter cylinder (3), the top end of the filter sleeve (1) is hung at an opening of the filter cylinder (3), the diameter of the filter sleeve (1) is gradually reduced from top to bottom, a coarse filter screen (40), a fine filter screen (42), a coarse adsorption core (45) and a fine adsorption core (47) are sequentially arranged in the filter sleeve (1) from top to bottom, gaps are gradually formed in the coarse filter screen (40), the fine filter screen (42), the coarse adsorption core (45) and the fine adsorption core (47), and a water outlet (48) is formed in the bottom surface of the filter sleeve (1);
the water outlet pipe (5) is arranged at the bottom of the filter cartridge (3) and communicated with the filter cartridge (3), and a water outlet flange (7) is arranged at the top end of the water outlet pipe (5);
an illumination cylinder (12) made of transparent material and arranged below the filter cylinder (3);
the frame body (4), the filter cartridge (3) and the illumination cylinder (12) are fixed on the frame body (4);
the pressure pump fixing plate (31) is fixed on the frame body (4), a pressure pump (32) is arranged on the pressure pump fixing plate (31), a water pumping port and a water draining port are formed in the pressure pump (32), a water pumping pipe (30) is connected to the water pumping port, a hose (33) is connected to the water draining port, a quick connector (34) is arranged at the top end of the hose (33), a steel pipe (37) is connected to the quick connector (34), a sewage inlet pipe (38) is connected to the steel pipe (37), and an outlet of the sewage inlet pipe (38) is arranged right above the filter cartridge (3);
the water inlet pipe (11) is provided with the top of the illumination cylinder (12) and communicated with the illumination cylinder (12), the top of the water inlet pipe (11) is provided with a water inlet flange (10), the water inlet flange (10) is matched with the water outlet flange (7), and the water inlet flange (10) is fixedly connected with the water outlet flange (7) through bolts and nuts;
a plurality of annular ultraviolet lamp tubes (13) which surround the outer wall of the illumination cylinder (12);
the motor (29) is fixed at the bottom of the illumination cylinder (12), a speed reducer (23) is arranged on the motor (29), a main shaft (28) is arranged on the speed reducer (23), and the main shaft (28) is inserted into the illumination cylinder (12) and is fixedly provided with a rotating shaft (27);
the beam (8) is fixed in the illumination cylinder (12), and the top end of the rotating shaft (27) is inserted into the beam (8);
a plurality of stirring paddles (26) which are uniformly distributed on the rotating shaft (27);
a disinfection cylinder (39) arranged below any one side of the illumination cylinder (12);
one end of the connecting pipe (22) is connected with the top end of the disinfecting cylinder (39), and the other end is connected with the bottom end of the illumination cylinder (12);
the sterilizing device comprises a liquid medicine barrel (20), wherein a sterilizing liquid is arranged in the liquid medicine barrel (20), a sterilizing pipe (21) is connected between the liquid medicine barrel (20) and a connecting pipe (22), and a micro diaphragm pump (19) is connected on the sterilizing pipe (21);
the water purifying pipe (17) is connected with the bottom end of the disinfecting cylinder (39), and a water purifying valve (18) for controlling the opening and closing of the water purifying pipe (17) is arranged on the water purifying pipe (17);
and a switch button (14) for controlling the on-off of the pressure pump (32), the ultraviolet lamp tube (13) and the micro diaphragm pump (19).
2. The small-sized environmental protection waste water treatment apparatus according to claim 1, characterized in that: a bearing seat (35) is fixed on the frame body (4), a first bearing (36) is arranged in the bearing seat (35), and the steel pipe (37) is inserted into the first bearing (36).
3. The small-sized environmental protection waste water treatment apparatus according to claim 2, characterized in that: and a ball valve (6) is arranged on the water outlet pipe (5).
4. The small-sized environmental protection waste water treatment apparatus according to claim 3, characterized in that: be equipped with between main shaft (28) and illumination section of thick bamboo (12) sealing washer (24), pass through shaft coupling (25) fixed the linking to each other between main shaft (28) and pivot (27), be equipped with second bearing (9) between pivot (27) and crossbeam (8).
5. The small-sized environmental protection waste water treatment apparatus according to claim 1, characterized in that: and the connecting pipe (22) is provided with a connecting valve (15) for controlling the opening and closing of the connecting pipe (22).
6. The small-sized environmental protection waste water treatment apparatus according to claim 1, characterized in that: the filter sleeve (1) is provided with a hanging ring (2).
7. The small-sized environmental protection waste water treatment apparatus according to claim 1, characterized in that: a first supporting ring (41), a second supporting ring (43), a third supporting ring (44) and a fourth supporting ring (46) are respectively arranged in the filter sleeve (1) from top to bottom, the coarse filter screen (40) is sleeved on the first supporting ring (41), the fine filter screen (42) is sleeved on the second supporting ring (43), the coarse adsorption core (45) is sleeved on the third supporting ring (44), and the fine adsorption core (47) is sleeved on the fourth supporting ring (46).
8. The small-sized environmental protection waste water treatment apparatus according to claim 1, characterized in that: the coarse adsorption core (45) and the fine adsorption core (47) are both made of activated carbon.
CN201921701009.XU 2019-10-10 2019-10-10 Small-size environmental protection effluent treatment plant Expired - Fee Related CN211198900U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921701009.XU CN211198900U (en) 2019-10-10 2019-10-10 Small-size environmental protection effluent treatment plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921701009.XU CN211198900U (en) 2019-10-10 2019-10-10 Small-size environmental protection effluent treatment plant

Publications (1)

Publication Number Publication Date
CN211198900U true CN211198900U (en) 2020-08-07

Family

ID=71860405

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921701009.XU Expired - Fee Related CN211198900U (en) 2019-10-10 2019-10-10 Small-size environmental protection effluent treatment plant

Country Status (1)

Country Link
CN (1) CN211198900U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112773192A (en) * 2020-12-21 2021-05-11 浙江华晨环保有限公司 Domestic tea bar type drinking water equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112773192A (en) * 2020-12-21 2021-05-11 浙江华晨环保有限公司 Domestic tea bar type drinking water equipment

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Granted publication date: 20200807

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