CN206188555U - A recycling processed system for containing fluorine coating waste water - Google Patents
A recycling processed system for containing fluorine coating waste water Download PDFInfo
- Publication number
- CN206188555U CN206188555U CN201621046800.8U CN201621046800U CN206188555U CN 206188555 U CN206188555 U CN 206188555U CN 201621046800 U CN201621046800 U CN 201621046800U CN 206188555 U CN206188555 U CN 206188555U
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- Prior art keywords
- waste water
- reaction tank
- pond
- fluoro
- charging aperture
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Abstract
The utility model provides a recycling processed system for containing fluorine coating waste water presses the waste water flow direction including wastewater disposal basin, crushing pond, neutralization pond, reaction tank, filtering ponds, heating bath, filter equipment, monitoring pond, condensing equipment and discharging pool. Being equipped with the filter in the wastewater disposal basin, being equipped with the screw extrusion device in the crushing pond, the reaction tank can drop into chemical to the definite chemical composition among the coating wastewater and react. Be equipped with in the filtering ponds as if the dry filtration membrane, the fluorine ion is remained in the detectable waste water of monitoring pond to further get rid of. It is last, add thermal treatment to coating wastewater through induction heating coil, filtration steam is discharged after the condensation to discharging pool. The utility model discloses can carry out effectual getting rid of to stereoplasm and the soft foreign particles who contains in the fluorine coating waste water, rethread chemical approach has corresponding to get rid of the harmful substance among the fluoride waste, and the complicated chemical composition who contains in the fluorine coating waste water is retrieved to the gradable simultaneously, is favorable to further recycle.
Description
Technical field
The utility model belongs to retracting device field, is especially for the recovery and processing system of fluoro-containing coating waste water.
Background technology
Fluoro-containing coating has excellent chemical stability, weatherability, corrosion resistance and inoxidizability, is opened in aviation, ocean
The new technical fields such as hair, the energy, electronics and chemical industry are widely used.But can be produced during fluoro-containing coating production and use
A large amount of waste water, and complex chemical composition in waste water, directly discharge can cause significant damage to environment, so the recovery to waste water
Study hotspot is treated as, and Waste Water Treatment is then the key for solving this problem.
Utility model content
In view of this, the utility model is directed to a kind of recovery and processing system for fluoro-containing coating waste water, to solve
The classification of chemical substance is reclaimed in fluoro-containing coating waste water, effectively reduces the harmful substance in waste water, so as to reach national regulation row
Put standard.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
For the recovery and processing system of fluoro-containing coating waste water, wastewater disposal basin, crush cell, neutralization are included successively by waste water flow direction
It is pond, the first reaction tank, the first filtering ponds, the second reaction tank, the second filtering ponds, the 3rd reaction tank, heating bath, filter, cold
Solidifying device and discharge pond, monitoring pool and the 3rd reaction tank pipeline simultaneously connect.
Further, filter is provided with the wastewater disposal basin, pre- impurity elimination treatment is carried out to fluoro-containing coating waste water.
Further, helix extrusion device is provided with the crush cell, the helix extrusion device is connected with control electronic box,
The helix extrusion device carries out extruding crushing to the soft impurities particle in fluoro-containing coating waste water, improves the removal of impurity particle
Rate.
Further, the neutralization pond top is provided with charging aperture a, the charging aperture a tops connection magazine a, by magazine a
To acid-base neutralization material is added in fluoro-containing coating waste water, the neutralization pond bottom is provided with centrifugal pump, the centrifugal pump and the control
Electronic box connection processed, the neutralization pond bottom opening lower section is provided with waste tank a, after acid-base neutralization material is delivered, opens centrifugal pump, from
A period of time is stood after hearty cord beam, the impurity in fluoro-containing coating waste water is emitted into the waste tank a.
Further, first reaction tank and charging aperture b is provided with, the charging aperture b tops are provided with magazine b, described the
One reaction tank bottom opening is respectively arranged below with waste tank b, first reaction tank have rotating vane a, the rotating vane a with
The control electronic box connection, by the magazine b to chemical reaction substance is added in fluoro-containing coating waste water, by fluoro-containing coating waste water
Uniform stirring is carried out, produces precipitation abundant, closed after the rotating vane a, stand a period of time, the sediment that will be produced
It is emitted into the waste tank b.
Further, second reaction tank is provided with charging aperture c, and the charging aperture b tops are provided with magazine c, described second
Reaction tank bottom opening lower section is provided with waste tank c, and rotating vane b, the rotating vane b and institute are provided with second reaction tank
Control electronic box connection is stated, by the magazine c to chemical reaction substance is added in fluoro-containing coating waste water, fluoro-containing coating waste water is entered
Row uniform stirring, produces precipitation abundant, closes after the rotating vane b, stands a period of time, the sediment row that will be produced
Put into the waste tank c.
Further, some filter membrane a are provided with first filtering ponds, the filter membrane a is placed on first mistake
On filter tank projected side wall a, the filter membrane a pore sizes be may be configured as gradually successively decreasing, and fluorine-containing painting is effectively removed after filtering layer by layer
Impurity particle in material waste water, the first filtering ponds entrance connects with the first reaction tank sidewall exit, prevents described the
The deposit of reaction generation flows into first filtering ponds in one reaction tank.
Further, some filter membrane b are provided with second filtering ponds, the filter membrane b is placed on described
On two filtering ponds projected side wall b, the filter membrane b pore sizes may be configured as gradually successively decreasing, and effectively removal contains after filtering layer by layer
Impurity particle in fluoro coatings waste water, the second filtering ponds entrance is connected with the second reaction tank sidewall exit, prevents institute
The deposit for stating reaction generation in the second reaction tank flows into second filtering ponds.
Further, the monitoring pool top is provided with charging aperture d, sensor a, detection meter, and the charging aperture d tops are provided with
Magazine d, the monitoring pool bottom opening lower section is provided with waste tank d, and the monitoring pool entrance is exported with second filtering ponds and connected
Logical, the outlet of monitoring pool side wall top is connected with the heating bath entrance, the sensor a, the detection meter and the control
Electronic box connection processed, the sensor a bottoms contact monitoring pool inside waste water liquid level, can obtain waste water body in the monitoring pool
Product, the detection meter can detect the fluorine ion residual quantity of waste water in the monitoring pool, by analyze determine after testing result to
The monitoring pool adds the amount of reactive material.
Further, the 3rd reaction tank top is provided with charging aperture e, sensor b, and the charging aperture e tops are provided with material
Box e, the 3rd reaction tank bottom opening lower section is provided with waste tank e, the 3rd reaction tank entrance and second filtering ponds
Outlet, the 3rd reaction tank side wall top outlet connected with the heating bath entrance, the sensor b respectively with it is described
Control electronic box connection, the sensor b bottoms contact the 3rd reaction tank inside waste water liquid level, can obtain the 3rd reaction
Wastewater volume in pond, with reference to the monitoring pool testing result, it is determined that adding the amount of reactive material to the 3rd reaction tank.
Further, the heating bath outer wall bottom is provided with load coil, and the load coil is looped around institute
Heating bath bottom is stated, the load coil is connected with the control electronic box, and the heating bath lower section is provided with base, to described
Heat-blocking action is played between load coil and ground, the heating bath top is provided with sealing ring, and the sealing ring is provided with
Top cover, the top cover is provided with steam (vapor) outlet, pressure gauge, pressure regulator valve, when the pressure gauge shows pressure mistake in the heating bath
When big, the pressure in the pressure regulator valve reduction heating bath is adjusted, ensure production safety, the steam (vapor) outlet connects the mistake
Filter device, activated carbon is provided with the filtering pool device, the harmful substance in steam further can be adsorbed, the heating bath
Outlet is connected with the discharge pond, and remaining fluoro-containing coating waste water can be collected in the discharge pond after heating, and unification is arranged
Put.
Further, the condensing unit is connected by oral siphon and outlet pipe with cooling recirculation system, and the cooling is followed
Loop systems are connected with the control electronic box, in cooling-water drain to the discharge pond that the condensing unit is produced.
Relative to prior art, the recovery and processing system for fluoro-containing coating waste water described in the utility model has following
Advantage：
(1) effective removal can be carried out to the hard in fluoro-containing coating waste water and soft impurity particle, then by chemistry side
Method targetedly removes the harmful substance in fluoride waste.
(2) can classify the complicated chemical composition reclaimed in fluoro-containing coating waste water, be conducive to further recycling.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is a kind of fluoro-containing coating waste water reclaiming device structural representation described in the utility model embodiment；
Fig. 2 is a kind of fluoro-containing coating waste water reclaiming device heating bath structural representation described in the utility model embodiment.
Description of reference numerals：
1- wastewater disposal basins；11- filters；2- crush cells；21- helix extrusion devices；3- neutralization ponds；31- charging apertures a；32- expects
Box a；33- waste tanks a；34- centrifugal pumps；The reaction tanks of 4- first；41- charging apertures b；42- magazines b；43- waste tanks b；44- rotates
Blade a；The filtering ponds of 5- first；51- filter membranes a；52- projected side walls a；The reaction tanks of 6- second；61- charging apertures c；62- magazines c；
63- waste tanks c；64- rotating vanes b；The filtering ponds of 7- second；71- filter membranes b；72- projected side walls b；8- monitoring pools；81- feeds
Mouth d；82- magazines d；83- waste tanks d；84- sensors a；85- detection meters；The reaction tanks of 9- the 3rd；91- charging apertures e；92- magazines
e；93- waste tanks e；94- sensors b；10- heating baths；101- load coils；102- bases；103- sealing rings；104- is pushed up
Lid；105- steam (vapor) outlets；106- pressure gauges；107- pressure regulator valves；12- filters；13- condensing units；131- oral siphons；132-
Outlet pipe；133- cooling recirculation systems；14- discharges pond；15- controls electronic box.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
1-2 and describe the utility model in detail in conjunction with the embodiments below with reference to the accompanying drawings.
As shown in figure 1, for the recovery and processing system of fluoro-containing coating waste water, wastewater disposal basin 1, crush cell is included by waste water flow direction
2nd, neutralization pond 3, the first reaction tank 4, the first filtering ponds 5, the second reaction tank 6, the second filtering ponds 7, the 3rd reaction tank 9, heating bath
10th, filter 12, condensing unit 13 and discharge pond 14, monitoring pool 8 and the pipeline of the 3rd reaction tank 9 simultaneously connect.
Filter 11 is provided with the wastewater disposal basin 1, pre- impurity elimination treatment is carried out to fluoro-containing coating waste water.
Helix extrusion device 21 is provided with the crush cell 2, the helix extrusion device 21 is connected with control electronic box 15, institute
Stating helix extrusion device 21 carries out extruding crushing to the soft impurities particle in fluoro-containing coating waste water, improves the removal of impurity particle
Rate.
The top of the neutralization pond 3 is provided with charging aperture a31, the charging aperture a31 tops connection magazine a32, by magazine a32
To acid-base neutralization material is added in fluoro-containing coating waste water, the bottom of the neutralization pond 3 is provided with centrifugal pump 34, the centrifugal pump 34 and institute
State control electronic box 15 to connect, the bottom opening of the neutralization pond 3 lower section is provided with waste tank a33, after acid-base neutralization material is delivered, open
Centrifugal pump 34, centrifugation stands a period of time after terminating, and the impurity in fluoro-containing coating waste water is emitted into the waste tank a.
First reaction tank 4 is provided with charging aperture b41, and the charging aperture b41 tops are provided with magazine b42, and described first is anti-
Answer the bottom opening lower section of pond 4 to be provided with waste tank b43, first reaction tank 4 and be provided with rotating vane a44, the rotating vane
A44 is connected with the control electronic box 15, by the magazine b42 to chemical reaction substance is added in fluoro-containing coating waste water, will contain
Fluoro coatings waste water carries out uniform stirring, produces precipitation abundant, closes after the rotating vane a44, stands a period of time, will
The sediment discharge of generation is in the waste tank b43.
Second reaction tank 6 is provided with charging aperture c61, and the charging aperture c61 tops are provided with magazine c62, and described second is anti-
The bottom opening lower section of pond 6 is answered to be provided with waste tank c63,6 are provided with rotating vane b64, the rotating vane in second reaction tank
B64 is connected with the control electronic box 15, by the magazine c62 to chemical reaction substance is added in fluoro-containing coating waste water, will contain
Fluoro coatings waste water carries out uniform stirring, produces precipitation abundant, closes after the rotating vane b64, stands a period of time, will
The sediment discharge of generation is in the waste tank c63.
Some filter membrane a51 are provided with first filtering ponds 5, the filter membrane a51 is placed on first filtering ponds 5
On projected side wall a52, the filter membrane a51 pore sizes be may be configured as gradually successively decreasing, and fluorine-containing painting is effectively removed after filtering layer by layer
Impurity particle in material waste water, the entrance of the first filtering ponds 5 is connected with the sidewall exit of the first reaction tank 4, prevents described
The deposit of reaction generation flows into first filtering ponds 5 in first reaction tank 4.
Some filter membrane b71 are provided with second filtering ponds 7, the filter membrane b71 is placed on second filtering ponds 7
On projected side wall b72, the filter membrane b71 pore sizes be may be configured as gradually successively decreasing, and fluorine-containing painting is effectively removed after filtering layer by layer
Impurity particle in material waste water, the entrance of the second filtering ponds 7 is connected with the sidewall exit of the second reaction tank 6, prevents described
The deposit of reaction generation flows into second filtering ponds 7 in second reaction tank 6.
The top of the monitoring pool 8 is provided with charging aperture d81, sensor a84, detection meter 85, and the charging aperture d81 tops are provided with
Magazine d82, the bottom opening of the monitoring pool 8 lower section is provided with waste tank d83, the entrance of the monitoring pool 8 and second filtering ponds 7
Outlet, the side wall top outlet of the monitoring pool 8 is connected with the entrance of the heating bath 10, the sensor a84, the detection
Meter 85 is connected with the control electronic box 15 respectively, and the sensor a84 bottoms contact the inside waste water liquid level of monitoring pool 8, can
Wastewater volume in the monitoring pool 8 is obtained, the detection meter 85 can detect the fluorine ion residual quantity of waste water in the monitoring pool 8,
By analyzing the amount for determining that reactive material is added to the monitoring pool 8 after testing result.
The top of 3rd reaction tank 9 is provided with charging aperture 91e, sensor b94, and the charging aperture 91e tops are provided with magazine
E92, the bottom opening of the 3rd reaction tank 9 lower section is provided with waste tank e93, the entrance of the 3rd reaction tank 9 and second mistake
The outlet of filter tank 7, the side wall top outlet of the 3rd reaction tank 9 is connected with the entrance of the heating bath 10, the sensor b94
It is connected with the control electronic box 15, the sensor b94 bottoms contact the inside waste water liquid level of the 3rd reaction tank 9, can obtain
Wastewater volume in 3rd reaction tank 9, with reference to the testing result of the monitoring pool 8, it is determined that being added instead to the 3rd reaction tank 9
Answer the amount of material.
As shown in Fig. 2 the outer wall bottom of the heating bath 10 is provided with load coil 101, the load coil 101
The bottom of the heating bath 10 is looped around, the load coil 101 is connected with the control electronic box 15, under the heating bath 10
Side is provided with base 102, and to playing heat-blocking action between the load coil 101 and ground, the top of the heating bath 10 sets
There is sealing ring 103, the sealing ring 103 is provided with top cover 104, and the top cover 104 is provided with steam (vapor) outlet 105, pressure gauge
106th, pressure regulator valve 107, when the pressure gauge 106 shows pressure is excessive in the heating bath 10 when, adjust the pressure regulator valve 107 and drop
Pressure in the low heating bath 10, ensures production safety, and the steam (vapor) outlet 105 connects the filter 12, the mistake
Activated carbon is provided with filter apparatus 12, the harmful substance in steam can further be adsorbed, the heating bath 10 is exported and institute
State discharge pond 14 to connect, remaining fluoro-containing coating waste water can be collected in the discharge pond 14 after heating, and unification is discharged.
The condensing unit 13 is connected by oral siphon 131 and outlet pipe 132 with cooling recirculation system 133, the cooling
The circulatory system 133 is connected with the control electronic box 15, the cooling-water drain that the condensing unit 13 is produced to the discharge pond 14
It is interior.
Nothing is especially said between each several part device in the recovery and processing system for fluoro-containing coating waste water described in the present embodiment
It is bright, pipeline connection is, pipeline is provided with valve, can control the coating waste-water amount in each several part device.
The workflow of the present embodiment：
The fluoro-containing coating waste water that production process is produced is poured into wastewater disposal basin 1, is given up by the filter 11 pairs in wastewater disposal basin 1
Hard impurity particle in water does preliminary filtering, and waste water is introduced into crush cell 2 afterwards, and by spiral reducing mechanism, 21 pairs are given up
Soft impurities particle in water is further crushed and ground, and is conducive to further filtering.
After waste water flows into neutralization pond 3, acid-base neutralization material adjustment fluoro-containing coating waste water pH value is added from magazine a32, so
Open centrifugal pump 34 afterwards carries out centrifugal action to waste water, and the impurity particle of some heavier mass, centrifugal pump 34 can be separated after standing
Rotating speed can be adjusted by controlling electronic box 15, and the impurity particle of the precipitable different quality of different rotating speeds is right in neutralization pond 3
After waste water is repeatedly centrifuged, impurity particle is entered in waste tank a33 by bottom opening.
When waste water flows into the first reaction tank 4 or the second reaction tank 6, respectively to adding different chemistry in fluoro-containing coating waste water
Reactant (for the impurity to be removed in waste water, such as impurity cationic or fluorine ion etc.), by open rotating vane a44 or
Rotating vane b64, is well mixed coating waste-water, generates corresponding deposit, and rotating vane a44 or pivoting leaf are closed afterwards
Piece b64, stands a period of time, discharges deposit by the first reaction tank 4 or the bottom opening of the second reaction tank 6 and is collected into phase
In answering waste tank b43 or waste tank c63.
The waste water flowed out in the first reaction tank 4 or the second reaction tank 6 will be in the first filtering ponds 5 or the second filtering ponds 7
Further filtered, setting gradually aperture by order from top to bottom in the first filtering ponds 5 or the second filtering ponds 7 gradually subtracts
Small filter membrane a or filter membrane b, is filtered layer by layer to waste water, it is ensured that efficiently remove the impurity in waste water.
By after above-mentioned steps, fluoro-containing coating waste water being introduced in monitoring pool 8, by detecting that meter 85 detects fluoro-containing coating
Content of fluoride ion is remained in waste water, and the wastewater flow rate in monitoring pool 8 is obtained by sensor a, added in backward waste water by analysis
Enter appropriate reactive material, while the wastewater flow rate in obtaining the 3rd reaction tank 9 by sensor b in the 3rd reaction tank 9, reference
The testing result of monitoring pool 8, to appropriate reactive material is added in the 3rd reaction tank 9, will produce in the reaction tank 9 of monitoring pool 8 or the 3rd
Raw reaction precipitate is entered in corresponding waste tank d83 or waste tank e93, fluoro-containing coating is effectively removed by the step and is given up
Residual fluorine ion in water.
Heating evaporation finally is carried out to waste water, the relatively low material of the boiling point in waste water can by being thermally formed steam, from plus
The steam (vapor) outlet 105 in hot pond 10 is diffused into filter 12, is activated carbon in filter 12, can be to the nuisance in steam
Matter is further adsorbed, and is diffused into condensing unit 13 by the steam for filtering, and condensation is provided by condensation cycle system 133
Water is condensed to steam, in flowing into discharge pond 14 from condensing unit outlet 132 afterwards, while the remaining waste water in heating bath 10
Also flow into discharge pond 14, the waste water finally discharged in pond 14 reaches discharge standard, can directly discharge.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. the recovery and processing system of fluoro-containing coating waste water is used for, it is characterised in that：By waste water flow direction successively include wastewater disposal basin (1),
Crush cell (2), neutralization pond (3), the first reaction tank (4), the first filtering ponds (5), the second reaction tank (6), the second filtering ponds (7),
3rd reaction tank (9), heating bath (10), filter (12), condensing unit (13) and discharge pond (14), monitoring pool (8) and the
Three reaction tanks (9) pipeline simultaneously connects.
2. the recovery and processing system for fluoro-containing coating waste water according to claim 1, it is characterised in that：The wastewater disposal basin
(1) filter (11) is provided with.
3. the recovery and processing system for fluoro-containing coating waste water according to claim 1, it is characterised in that：The neutralization pond
(3) top is provided with charging aperture a (31), and charging aperture a (31) top connects magazine a (32), and neutralization pond (3) bottom is provided with
Centrifugal pump (34), neutralization pond (3) the bottom opening lower section is provided with waste tank a (33).
4. the recovery and processing system for fluoro-containing coating waste water according to claim 1, it is characterised in that：Described first is anti-
Ying Chi (4) is provided with charging aperture b (41), and charging aperture b (41) top is provided with magazine b (42), the first reaction tank (4) bottom
Opening lower section is provided with waste tank b (43), first reaction tank (4) and is provided with rotating vane a (44)；
Second reaction tank (6) is provided with charging aperture c (61), and charging aperture c (61) top is provided with magazine c (62), and described the
Two reaction tanks (6) bottom opening is respectively arranged below with waste tank c (63), second reaction tank (6) and is provided with rotating vane b
(64)。
5. the recovery and processing system for fluoro-containing coating waste water according to claim 1, it is characterised in that：First mistake
Some filter membrane a (51) are provided with filter tank (5), the filter membrane a (51) is placed on the first filtering ponds (5) projected side wall
(52) on, the first filtering ponds (5) entrance is connected with the first reaction tank (4) sidewall exit；
Some filter membrane b (71) are provided with second filtering ponds (7), the filter membrane b (71) is placed on second filtering
On pond (7) projected side wall (72), the second filtering ponds (7) entrance is connected with the second reaction tank (6) sidewall exit.
6. the recovery and processing system for fluoro-containing coating waste water according to claim 1, it is characterised in that：The monitoring pool
(8) top is provided with charging aperture d (81), sensor a (84), detection meter (85), and charging aperture d (81) top is provided with magazine d
(82), monitoring pool (8) the bottom opening lower section is provided with waste tank d (83), monitoring pool (8) entrance and the described second filtering
Pond (7) outlet, monitoring pool (8) side wall top outlet is connected with the heating bath (10) entrance；
3rd reaction tank (9) top is provided with charging aperture e (91), sensor b (94), and charging aperture e (91) top is provided with
Magazine e (92), the 3rd reaction tank (9) the bottom opening lower section is provided with waste tank e (93), the 3rd reaction tank (9) entrance
With the second filtering ponds (7) outlet, wall top in the 3rd reaction tank (9) side exports and the heating bath (10) entrance
Connection.
7. the recovery and processing system for fluoro-containing coating waste water according to claim 1, it is characterised in that：The heating bath
(10) outer wall bottom is provided with load coil (101), and the load coil (101) is looped around under the heating bath (10)
Portion, heating bath (10) lower section is provided with base (102), and heating bath (10) top is provided with sealing ring (103), the sealing
Circle is provided with top cover (104), and the top cover (104) is provided with steam (vapor) outlet (105), pressure gauge (106), pressure regulator valve (107), institute
State steam (vapor) outlet (105) and connect the filter (12), heating bath (10) outlet is connected with the discharge pond (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046800.8U CN206188555U (en) | 2016-09-09 | 2016-09-09 | A recycling processed system for containing fluorine coating waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046800.8U CN206188555U (en) | 2016-09-09 | 2016-09-09 | A recycling processed system for containing fluorine coating waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206188555U true CN206188555U (en) | 2017-05-24 |
Family
ID=58728276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621046800.8U Expired - Fee Related CN206188555U (en) | 2016-09-09 | 2016-09-09 | A recycling processed system for containing fluorine coating waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206188555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827305A (en) * | 2017-11-23 | 2018-03-23 | 丹阳市华诚包装有限公司 | A kind of degradable cellulose packaging special waste water physiochemical mutagens system of film preparation |
| CN107857322A (en) * | 2017-11-23 | 2018-03-30 | 丹阳市华诚包装有限公司 | A kind of degradable cellulose packaging special Sewage treatment heating tank of film preparation |
-
2016
- 2016-09-09 CN CN201621046800.8U patent/CN206188555U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827305A (en) * | 2017-11-23 | 2018-03-23 | 丹阳市华诚包装有限公司 | A kind of degradable cellulose packaging special waste water physiochemical mutagens system of film preparation |
| CN107857322A (en) * | 2017-11-23 | 2018-03-30 | 丹阳市华诚包装有限公司 | A kind of degradable cellulose packaging special Sewage treatment heating tank of film preparation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20210909 |
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| CF01 | Termination of patent right due to non-payment of annual fee |