CN206590990U - A kind of chemical waste liquid processing unit - Google Patents
A kind of chemical waste liquid processing unit Download PDFInfo
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- CN206590990U CN206590990U CN201720225709.0U CN201720225709U CN206590990U CN 206590990 U CN206590990 U CN 206590990U CN 201720225709 U CN201720225709 U CN 201720225709U CN 206590990 U CN206590990 U CN 206590990U
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Abstract
The utility model is related to a kind of chemical waste liquid processing unit.It includes liquid waste processing box, liquid waste processing box insole portion is divided into precipitation chamber and clear liquid chamber by dividing plate, filter screen and first falls and is just provided with shower to the position of filter screen between liquid bath, equipped with the high pressure washing pipe being vertically arranged on liquid waste processing box wall away from filter screen, clear liquid chamber is connected by the 3rd pipeline with one end of the first heat exchanger tube in the first heat exchange box, the other end of first heat exchanger tube is connected by the 4th pipeline with one end of the second heat exchanger tube in the second heat exchange box, the second liquid outlet of second heat exchange box bottom is connected by the 5th pipeline with the first liquid-inlet of the first heat exchange upper box part, the other end of second heat exchanger tube is connected by the 6th pipeline with neutralizing the top of case.The utility model can be such that waste liquid is well mixed with neutralization reaction agent, improve treatment effeciency and treatment effect, can by contain in waste liquid it is useless separate admittedly, prevent useless solid blocking pipeline, and effectively utilize the heat energy contained in waste liquid.
Description
Technical field
The utility model is related to a kind of chemical waste liquid processing unit.
Background technology
With industrial expansion, the waste liquid of chemical plant emission is more and more, can be to environment if the directly discharge without handling
Cause greatly pollution.Existing liquid waste processing mode is simply to carry out neutralization reaction using neutralization reaction agent and waste liquid,
So as to handle waste liquid, it has the disadvantages that：First, neutralization reaction agent mixes uneven with waste liquid, has part waste liquid simultaneously
Do not reacted with neutralization reaction agent, treatment effeciency is low, treatment effect is poor；2nd, usually contained in waste liquid useless solid（Solid is miscellaneous
Matter or solid particle）, this part is not given up when handling waste liquid and separated admittedly, these useless solid easily block are managed
Road, causes damage to equipment；3rd, the temperature of waste liquid is generally very high, and containing higher heat energy, existing processing mode is not right
This partial heat energy is effectively utilized, and is unfavorable for energy-saving and emission-reduction.
Utility model content
The utility model provides a kind of chemical waste liquid processing unit, and its reasonable in design can make waste liquid and neutralization
Reactant be well mixed, improve treatment effeciency and treatment effect, can by contain in waste liquid it is useless separate admittedly, prevent from giving up
Gu blocking pipeline, and effectively solve problems of the prior art using the heat energy contained in waste liquid.
The utility model is to solve the technical scheme that is used of above-mentioned technical problem：It includes liquid waste processing box, waste liquid
Treatment box internal upper part is provided with first be obliquely installed and falls liquid bath, and liquid waste processing box top corresponds to first and falls the high-end position of liquid bath
Provided with inlet, first has leakage mouth, the first lower section of falling liquid bath between the least significant end and liquid waste processing box wall of liquid bath
Provided with second be obliquely installed fall liquid bath, second fall liquid bath with first fall liquid bath incline direction on the contrary, second liquid bath most
High-end to be connected positioned at the underface of leakage mouth and with liquid waste processing box wall, second falls the least significant end of liquid bath and one end of filter screen
Be connected, the other end of filter screen is connected with liquid waste processing box wall, filter screen be obliquely installed and filter screen with second liquid bath incline
Tilted direction is consistent, and liquid waste processing box inner bottom part is just provided with the top of dividing plate, dividing plate and filter screen to filter screen and the second connecting place of falling liquid bath
Between be provided with liquid mouthful, liquid waste processing box insole portion is divided into precipitation chamber and clear liquid chamber by dividing plate, and the bottom of precipitation chamber is provided with the
First is set at one leakage fluid dram, the first leakage fluid dram and cut-offs valve, the side wall of precipitation chamber is provided with the first residue-removing door, filter screen and the first liquid
Shower just is provided with to the position of filter screen between groove, shower passes through the first pipeline and the water tank phase positioned at liquid waste processing box top
Even, the first pipeline is provided with the first stop valve and the first liquid pump, is equipped with and sets vertically on the liquid waste processing box wall away from filter screen
The high pressure washing pipe put, the position of high pressure washing pipe shower nozzle is just set to filter screen, and high pressure washing pipe passes through the second pipeline and water tank
It is connected, the second pipeline is provided with the second stop valve and the second liquid pump, and the side of liquid waste processing box is provided with useless solid treatment box, and give up Gu Chu
The position for managing the least significant end that upper box part side wall corresponds to filter screen is provided with useless solid entrance, and the solid treatment box that gives up passes through give up solid entrance and waste liquid
Treatment box is connected, and solid porch of giving up is provided with stock stopping door, and the processing upper box part admittedly that gives up is provided with drying lamp, and useless solid treatment box bottom is provided with
Valve is cut-off provided with screen cloth and second at second leakage fluid dram, the second leakage fluid dram, the side wall of the useless lower box part of processing admittedly is clear provided with second
Bin gate, clear liquid chamber is connected by the 3rd pipeline with one end of the first heat exchanger tube in the first heat exchange box, and the 3rd pipeline is provided with the
Three stop valves and the 3rd liquid pump, the other end of the first heat exchanger tube pass through the second heat exchanger tube in the 4th pipeline and the second heat exchange box
One end is connected, and the 4th pipeline is provided with the 4th stop valve and the 4th liquid pump, and the second heat exchange upper box part is provided with second liquid import, the
The second liquid outlet of two heat exchange box bottoms is connected by the 5th pipeline with the first liquid-inlet of the first heat exchange upper box part, and the 5th
Pipeline be provided with the 5th stop valve and the 5th liquid pump, first heat exchange lower box part be provided with the first liquid outlet, the second heat exchanger tube it is another
One end is connected by the 6th pipeline with neutralizing the top of case, and the 6th pipeline is provided with the 6th stop valve and the 6th liquid pump, neutralizes case
Interior to be provided with agitating device, the bottom for neutralizing case is back taper, and the bottom of neutralization case, which is provided with discharge gate, discharge gate, is provided with discharge
Valve, the top for neutralizing case is provided with charge door, and the lower sides for neutralizing case are provided with liquid outlet.
First to fall liquid bath, the second angle of inclination for falling liquid bath and filter screen be 15 °~60 °.
First to fall liquid bath, the second angle of inclination for falling liquid bath and filter screen be 45 °.
The most significant end in bottom of chamber portion is precipitated close to dividing plate, the first leakage fluid dram is located at precipitation in the bottom of precipitation chamber to be obliquely installed
At the least significant end in bottom of chamber portion.
The bottom of clear liquid chamber to be obliquely installed, the most significant end in clear liquid bottom of chamber portion close to dividing plate, clear liquid chamber and the 3rd pipeline
Junction is located above the least significant end in clear liquid bottom of chamber portion.
The utility model reasonable in design, can be such that waste liquid is well mixed with neutralization reaction agent, improve treatment effeciency
And treatment effect, can by contain in waste liquid it is useless separate admittedly, prevent useless solid blocking pipeline, and effectively utilize in waste liquid
The heat energy contained.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is mplifying structure schematic diagram at Fig. 1 A.
In figure, 1, liquid waste processing box, 2, first falls liquid bath, and 3, inlet, 4, leakage mouth, 5, second falls liquid bath, and 6, filter screen,
7th, dividing plate, 8, cross liquid mouthful, 9, precipitation chamber, 10, clear liquid chamber, the 11, first leakage fluid dram, 12, first cut-offs valve, the 13, first residue-removing door,
14th, shower, the 15, first pipeline, 16, water tank, the 17, first stop valve, the 18, first liquid pump, 19, high pressure washing pipe, 20, second
Pipeline, the 21, second stop valve, the 22, second liquid pump, 23, useless solid treatment box, 24, useless solid entrance, 25, stock stopping door, 26, drying lamp,
27th, the second leakage fluid dram, 28, screen cloth, 29, second cut-offs valve, the 30, second residue-removing door, the 31, the 3rd pipeline, the 32, the 3rd stop valve,
33rd, the 3rd liquid pump, the 34, the 4th pipeline, the 35, the 4th stop valve, the 36, the 4th liquid pump, the 37, second heat exchange box, the 38, second heat exchange
Pipe, the 39, the 5th pipeline, the 40, first heat exchanger tube, the 41, first heat exchange box, the 42, the 5th stop valve, the 43, the 5th liquid pump, the 44, the 6th
Pipeline, 45, neutralize case, the 46, the 6th stop valve, the 47, the 6th liquid pump, 48, agitating device, 49, discharge gate, 50, blow-off valve, 51,
Charge door, 52, liquid outlet, the 53, first liquid-inlet, the 54, first liquid outlet, 55, second liquid import, 56, second liquid
Outlet.
Embodiment
For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this reality
It is described in detail with new.
As shown in Fig. 1~Fig. 2, the utility model includes liquid waste processing box 1, and the internal upper part of liquid waste processing box 1 is set provided with inclination
First put falls liquid bath 2, and the top of liquid waste processing box 1, which corresponds to first, falls the high-end position of liquid bath 2 and be provided with inlet 3, and first falls
There is leakage mouth 4 between the least significant end and the madial wall of liquid waste processing box 1 of liquid bath 2.First falls liquid bath 2 lower section provided with being obliquely installed
Second fall liquid bath 5, second fall liquid bath 5 and first fall liquid bath 2 incline direction on the contrary, second fall liquid bath 5 most significant end be located at leak
The underface of liquid mouthfuls 4 and be connected with the madial wall of liquid waste processing box 1, the least significant end of the second liquid bath 5 is connected with one end of filter screen 6,
The other end of filter screen 6 is connected with the madial wall of liquid waste processing box 1, filter screen 6 be obliquely installed and filter screen 6 with second liquid bath 5 incline
Tilted direction is consistent.First falls liquid bath 2, second, and to fall the angle of inclination of liquid bath 5 and filter screen 6 be 15 °~60 °, preferably 45 °.At waste liquid
Manage the inner bottom part of case 1 and the connecting place of liquid bath 5 is just fallen to filter screen 6 and second provided with dividing plate 7, liquid was provided between the top of dividing plate 7 and filter screen 6
Mouth 8.The insole portion of liquid waste processing box 1 is divided into precipitation chamber 9 and clear liquid chamber 10 by dividing plate 7.The bottom of precipitation chamber 9 is to be obliquely installed,
The most significant end of the bottom of chamber 9 is precipitated close to dividing plate 7, the first leakage fluid dram 11 is located at the least significant end of precipitation chamber 9 bottom, the first leakage fluid dram
First is set at 11 and cut-offs valve 12, the side wall of precipitation chamber 9 is provided with the first residue-removing door 13.The bottom of clear liquid chamber 10 is to be obliquely installed,
The most significant end of the bottom of clear liquid chamber 10 is located at the bottom of clear liquid chamber 10 close to dividing plate 7, the junction of the pipeline 31 of clear liquid chamber 10 and the 3rd
Above least significant end.Filter screen 6 and first falls and is just provided with shower 14 to the position of filter screen 6 between liquid bath 2, and shower 14 passes through first
Pipeline 15 is connected with the water tank 16 positioned at the top of liquid waste processing box 1, and the first pipeline 15 is provided with the first stop valve 17 and the first liquid
Pump 18.Equipped with the high pressure washing pipe 19 being vertically arranged on the madial wall of liquid waste processing box 1 away from filter screen 6, high pressure washing pipe 19 sprays
The position of head is just set to filter screen 6, and high pressure washing pipe 19 is connected by the second pipeline 20 with water tank 16, and the second pipeline 20 is provided with
Second stop valve 21 and the second liquid pump 22.The side of liquid waste processing box 1 is provided with useless solid treatment box 23, the solid upper side for the treatment of box 23 of giving up
Wall corresponds to the position of the least significant end of filter screen 6 provided with useless solid entrance 24, and the solid treatment box 1 that gives up passes through useless solid entrance 24 and liquid waste processing
Case 1 is connected, and stock stopping door 25 is provided with the solid entrance 24 that gives up, and the solid top for the treatment of box 1 of giving up is provided with drying lamp 26, the solid bottom for the treatment of box 1 of giving up
Portion is provided with the second leakage fluid dram 27, the second leakage fluid dram 27 cut-offs valve 29 provided with screen cloth 28 and second, the side for the solid bottom for the treatment of box 1 of giving up
Wall is provided with the second residue-removing door 30.Clear liquid chamber 10 passes through one of the first heat exchanger tube 40 in the 3rd pipeline 31 and the first heat exchange box 41
End is connected, and the 3rd pipeline 31 is provided with the 3rd stop valve 32 and the 3rd liquid pump 33, and the other end of the first heat exchanger tube 40 passes through the 4th
Pipeline 34 is connected with one end of the second heat exchanger tube 38 in the second heat exchange box 37, and the 4th pipeline 34 is provided with the He of the 4th stop valve 35
4th liquid pump 36.The top of second heat exchange box 37 is provided with second liquid import 55, and the second liquid of the bottom of the second heat exchange box 37 is exported
56 are connected by the 5th pipeline 39 with first liquid-inlet 53 on the top of the first heat exchange box 41, and the 5th pipeline 39 is provided with the 5th section
The only liquid pump 43 of valve 42 and the 5th, the bottom of the first heat exchange box 41 is provided with the first liquid outlet 54.The other end of second heat exchanger tube 38 leads to
Cross the 6th pipeline 44 and be connected with neutralizing the top of case 45, the 6th pipeline 44 is provided with the 6th stop valve 46 and the 6th liquid pump 47.In
Interior provided with agitating device 48 with case 45, the bottom for neutralizing case 45 is back taper, neutralizes the bottom of case 45 provided with discharge gate 49, discharge
Blow-off valve 50 is provided with mouth 49, the top for neutralizing case 45 is provided with charge door 51, neutralizes the lower sides of case 45 provided with liquid outlet
52。
In use, the inlet 3 that the waste liquid of chemical plant emission is poured on liquid waste processing box 1, waste liquid falls liquid along first
Groove 2 flow to second fall liquid bath 5 on, then by second fall liquid bath 5 flow to contain in filter screen 6, waste liquid be more than the hole of filter screen 6
The solid impurity or solid particle in footpath are stayed on filter screen 6, and waste liquid then enters precipitation chamber 9 by filter screen 6, with the precipitation cohesion of chamber 9
Long-pending waste liquid is more and more, is acted on by the overflow of dividing plate 7, and more pure waste liquid is then entered by the liquid mouthful 8 of crossing of the top of dividing plate 7
Enter the solid impurity or solids particles precipitate less than the aperture of filter screen 6 that contain in clear liquid chamber 10, waste liquid in precipitation chamber 9 bottom, when
The solid impurity or solid particle of accumulation are reached and discharged afterwards by the first leakage fluid dram 11 and the first residue-removing door 13 to a certain degree.
When the solid impurity or solid particle built up on filter screen 6 are reached to a certain degree, clear water is sprayed by shower 14
Solid impurity or solid particle on filter screen 6 is cleaned, so that the waste liquid remained on solid impurity or solid particle is clear
Remove, it is to avoid the waste liquor contamination environment remained on solid impurity or solid particle.Then stock stopping door 25, a portion solid are opened
Impurity or solid particle slip into useless solid treatment box 23 by filter screen 6, and another part solid impurity or solid particle pass through high pressure washing
The clear water that pipe 19 sprays is poured useless solid treatment box 23, so that the thorough cleaning of filter screen 6 is clean.Due to high pressure washing pipe 19
Flushing action, solid impurity or solid particle into useless solid treatment box 23 carry flushing water, and these flushing waters can be by the
Two leakage fluid drams 27 are discharged, and then carry out drying and processing to solid impurity or solid particle using drying lamp 26, it is to avoid solid impurity
Or solid particle produces harmful substance in wet condition, so as to be polluted to environment.Will finally by the second residue-removing door 30
Solid impurity or solid particle in useless solid treatment box 23 are transported.
The first heat exchanger tube 40, Ran Houtong that waste liquid in clear liquid chamber 10 is entered in the first heat exchange box 41 by the 3rd pipeline 31
Cross the second heat exchanger tube 38 that the 4th pipeline 34 enters in the second heat exchange box 37.Because the temperature of waste liquid is very high, in order to not waste useless
The heat energy contained in liquid, can be for preheating liquid to be heated up, so as to be conducive to the reaction of liquid to be heated up to carry out.Treat warming liquid
Body enters the second heat exchange box 37 from the second liquid import 55 of the second heat exchange box 37, so as to enter with the waste liquid in the second heat exchanger tube 38
Row heat exchange, that is, play a part for the treatment of heating liquid and preheated, then the second liquid on the second heat exchange box 37 is exported
56 are entered in the first heat exchange box 41 by the 5th pipeline 39, the first liquid-inlet 53, then are entered with the waste liquid in the first heat exchanger tube 40
Row heat exchange, that is, play and treat the purpose that heating liquid is heated again, so that the temperature of liquid to be heated up improves effect
Substantially, finally liquid to be heated up is discharged by the first liquid outlet 54.
Waste liquid enters from the second heat exchanger tube 38 through the 6th pipeline 44 neutralizes case 45, is taken from charge door 51 by sampler
Sample, determines the acid-base value of waste liquid, selectes neutralization reaction agent according to the acid-base value for determining waste liquid, neutralization reaction agent is thrown from charge door 51
Enter to neutralize case 45, waste liquid is well mixed with neutralization reaction agent by agitating device 48, so as to allow them to fully reflection, directly
To waste liquid in neutrality, then waste liquid is discharged by liquid outlet 52, and the deposit buildup that waste liquid is generated with neutralization reaction agent is in neutralization
The bottom of case 45.Discharged after the sediment of accumulation is reached to a certain degree by discharge gate 49.
Above-mentioned embodiment cannot function as the limitation to the utility model protection domain, for the skill of the art
For art personnel, any alternate modification or conversion made to the utility model embodiment all fall within guarantor of the present utility model
In the range of shield.
Part is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.
Claims (5)
1. a kind of chemical waste liquid processing unit, it is characterised in that：Including liquid waste processing box, liquid waste processing box internal upper part is provided with inclination
First set falls liquid bath, and liquid waste processing box top, which corresponds to first, falls the high-end position of liquid bath and be provided with inlet, and first falls liquid
There is leakage mouth, the first lower section of falling liquid bath is provided with second be obliquely installed and fallen between the least significant end and liquid waste processing box wall of groove
Liquid bath, second fall liquid bath with first fall liquid bath incline direction on the contrary, second fall liquid bath most significant end positioned at leakage mouth just under
Side and be connected with liquid waste processing box wall, second fall liquid bath least significant end be connected with one end of filter screen, the other end of filter screen and
Liquid waste processing box wall be connected, filter screen be obliquely installed and filter screen with second liquid bath incline direction it is consistent, liquid waste processing
Case inner bottom part is just provided with the top of dividing plate, dividing plate to filter screen and the second connecting place of falling liquid bath and liquid mouthful, dividing plate was provided between filter screen
Liquid waste processing box insole portion is divided into precipitation chamber and clear liquid chamber, the bottom of precipitation chamber is provided with the first leakage fluid dram, the first leakage fluid dram
Place sets first and cut-offs valve, and the side wall of precipitation chamber is provided with the first residue-removing door, the position that filter screen and first fall between liquid bath just to filter screen
Shower is installed, shower is connected by the first pipeline with the water tank positioned at liquid waste processing box top, and the first pipeline is provided with
It is high equipped with the high pressure washing pipe being vertically arranged on first stop valve and the first liquid pump, the liquid waste processing box wall away from filter screen
The position of flush pipe shower nozzle is pressed just to be set to filter screen, high pressure washing pipe is connected with water tank by the second pipeline, set on the second pipeline
There are the second stop valve and the second liquid pump, the side of liquid waste processing box is provided with useless solid treatment box, solid treatment box upper portion side wall correspondence of giving up
Useless solid entrance is provided with the position of the least significant end of filter screen, useless solid treatment box is connected with liquid waste processing box by the solid entrance that gives up, given up
Gu porch is provided with stock stopping door, the processing upper box part admittedly that gives up is provided with drying lamp, and solid treatment box bottom of giving up is provided with the second leakage fluid dram, second
Valve is cut-off provided with screen cloth and second at leakage fluid dram, the side wall for handling lower box part admittedly that gives up is provided with the second residue-removing door, and clear liquid chamber passes through
3rd pipeline is connected with one end of the first heat exchanger tube in the first heat exchange box, and the 3rd pipeline is provided with the 3rd stop valve and the 3rd liquid
Pump, the other end of the first heat exchanger tube is connected by the 4th pipeline with one end of the second heat exchanger tube in the second heat exchange box, the 4th pipe
Road is provided with the 4th stop valve and the 4th liquid pump, and the second heat exchange upper box part is provided with second liquid import, the second heat exchange box bottom
Second liquid outlet is connected by the 5th pipeline with the first liquid-inlet of the first heat exchange upper box part, and the 5th pipeline is provided with the 5th
Stop valve and the 5th liquid pump, the first heat exchange lower box part are provided with the first liquid outlet, and the other end of the second heat exchanger tube passes through the 6th pipe
Road is connected with neutralizing the top of case, and the 6th pipeline is provided with the 6th stop valve and the 6th liquid pump, neutralizes and agitating device is provided with case,
The bottom for neutralizing case is back taper, and the bottom for neutralizing case is provided with provided with blow-off valve at discharge gate, discharge gate, is neutralized and is set at the top of case
There is charge door, the lower sides for neutralizing case are provided with liquid outlet.
2. a kind of chemical waste liquid processing unit according to claim 1, it is characterised in that：First fall liquid bath, second fall liquid
The angle of inclination of groove and filter screen is 15 °~60 °.
3. a kind of chemical waste liquid processing unit according to claim 2, it is characterised in that：First fall liquid bath, second fall liquid
The angle of inclination of groove and filter screen is 45 °.
4. a kind of chemical waste liquid processing unit according to claim 1, it is characterised in that：The bottom of precipitation chamber sets for inclination
Put, precipitate the most significant end in bottom of chamber portion close to dividing plate, the first leakage fluid dram is located at the least significant end in precipitation bottom of chamber portion.
5. a kind of chemical waste liquid processing unit according to claim 1, it is characterised in that：The bottom of clear liquid chamber sets for inclination
Put, the most significant end in clear liquid bottom of chamber portion is close to dividing plate, and the junction of clear liquid chamber and the 3rd pipeline is located at the least significant end in clear liquid bottom of chamber portion
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225709.0U CN206590990U (en) | 2017-03-09 | 2017-03-09 | A kind of chemical waste liquid processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225709.0U CN206590990U (en) | 2017-03-09 | 2017-03-09 | A kind of chemical waste liquid processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206590990U true CN206590990U (en) | 2017-10-27 |
Family
ID=60126191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720225709.0U Expired - Fee Related CN206590990U (en) | 2017-03-09 | 2017-03-09 | A kind of chemical waste liquid processing unit |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128971A (en) * | 2017-12-22 | 2018-06-08 | 杭州师范大学钱江学院 | Wastewater treatment equipment containing dithio formate |
| CN108178407A (en) * | 2017-12-22 | 2018-06-19 | 杭州师范大学钱江学院 | Recycle the device containing dimethylamine in dimethylamine waste water |
| CN108178411A (en) * | 2017-12-22 | 2018-06-19 | 杭州师范大学钱江学院 | A kind of device for recycling carbon disulfide in waste water containing dithio formate |
| CN110776133A (en) * | 2018-12-27 | 2020-02-11 | 陈文英 | Automatic sewage treatment device for recycling precipitate in sewage |
-
2017
- 2017-03-09 CN CN201720225709.0U patent/CN206590990U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128971A (en) * | 2017-12-22 | 2018-06-08 | 杭州师范大学钱江学院 | Wastewater treatment equipment containing dithio formate |
| CN108178407A (en) * | 2017-12-22 | 2018-06-19 | 杭州师范大学钱江学院 | Recycle the device containing dimethylamine in dimethylamine waste water |
| CN108178411A (en) * | 2017-12-22 | 2018-06-19 | 杭州师范大学钱江学院 | A kind of device for recycling carbon disulfide in waste water containing dithio formate |
| CN108178411B (en) * | 2017-12-22 | 2020-06-16 | 杭州师范大学钱江学院 | Device for recovering carbon disulfide in dithioformate-containing wastewater |
| CN108128971B (en) * | 2017-12-22 | 2023-05-23 | 杭州师范大学钱江学院 | Dithioformate-containing wastewater treatment device |
| CN110776133A (en) * | 2018-12-27 | 2020-02-11 | 陈文英 | Automatic sewage treatment device for recycling precipitate in sewage |
| CN110776134A (en) * | 2018-12-27 | 2020-02-11 | 陈文英 | Automatic sewage treatment device for recycling precipitates in sewage |
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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: 20171027 Termination date: 20180309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |