CN205999182U - Special Resin trundle bed acid-restoring plant - Google Patents
Special Resin trundle bed acid-restoring plant Download PDFInfo
- Publication number
- CN205999182U CN205999182U CN201621013666.1U CN201621013666U CN205999182U CN 205999182 U CN205999182 U CN 205999182U CN 201621013666 U CN201621013666 U CN 201621013666U CN 205999182 U CN205999182 U CN 205999182U
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- CN
- China
- Prior art keywords
- eluent
- valve
- acid
- outlet
- ion exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011347 resin Substances 0.000 title claims abstract description 28
- 229920005989 resin Polymers 0.000 title claims abstract description 28
- 239000002253 acid Substances 0.000 claims abstract description 65
- 239000003480 eluent Substances 0.000 claims abstract description 63
- 238000005342 ion exchange Methods 0.000 claims abstract description 40
- 239000012267 brine Substances 0.000 claims abstract description 27
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 27
- 238000004064 recycling Methods 0.000 claims abstract description 25
- 230000008676 import Effects 0.000 claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 22
- 239000003957 anion exchange resin Substances 0.000 claims description 24
- 239000008187 granular material Substances 0.000 claims description 24
- 150000002500 ions Chemical class 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Abstract
This utility model belongs to waste acidity recovery processing meanss technical field, specifically related to Special Resin trundle bed acid-restoring plant, including ion exchange column, waste acid pot, eluting flow container, brine tank, sour collecting tank and eluent recycling can, the top of ion exchange column is provided with eluent import and brine outlet, bottom is provided with spent acid import and eluent outlet, it is provided with the first booster pump between waste acid pot and spent acid import, first flowmeter, first filter, first valve, it is provided with the second booster pump between eluting flow container and eluent import, second flowmeter, second filter, second valve, it is provided with PH detector between brine outlet and brine tank, 3rd valve, it is provided with H between sour collecting tank and eluent outlet+Detector and the 4th valve, eluent recycling can is connected with eluent inlet ductwork.Its objective is：Solve the problems, such as that existing acid-restoring plant has that structure is more complicated, larger, spent acid the recycling effect of water consumption is poor.
Description
Technical field
This utility model belongs to waste acidity recovery processing meanss technical field and in particular to Special Resin trundle bed waste acidity recovery fills
Put.
Background technology
Usually use substantial amounts of concentrated acid in the industry raw material or equipment are carried out, using rear sour concentration still very
Height, but wherein contain substantial amounts of impurity, referred to as spent acid.Generally there are regeneration of ion-exchange resin waste liquid, iron and steel in the source of spent acid
The drag-out of industry and the spent acid of metallurgical electroplating industry, if directly discharged spent acid, can cause serious environmental pollution,
Waste resource, so typically all can recycle to spent acid.Traditional waste acidity recovery method has：Neutralisation, spraying roasting
Burning method, diffusive dialysis method, extraction and condensing crystallizing method, in recent years, recent studies on has gone out the waste acidity recovery of a kind of environmental protection, energy-conservation
Method, i.e. acid block technique.Acid block technique is that one kind is based on strong-base anion-exchange resin nonionic exchange adsorption strong acid,
And do not adsorb corresponding salt, thus realize between acid and salt, separating the technology of the purpose reaching waste acid recovery.Acid block technique
One key character is that the counter ion form on anion exchange resin fixed group must be with the anion of acid and salt in solution
Unanimously, as Cl-Type resin separates HCl/NaCl or HCl/FeCl2、SO4 2-Type resin separates H2SO4And its slaine etc., acid retardance
Technology waste acid recovery it is not necessary to any chemical reagent, has adsorbed the resin bed of strong acid it is only necessary to rinsed with water can in addition to water
Realize eluting and the resin regeneration of acid.The existing apparatus structure for acid block technique is more complicated, and the consumption of water is larger,
The recycling effect of spent acid is poor.
Utility model content
The purpose of this utility model is：Aim to provide Special Resin trundle bed acid-restoring plant, for solving existing spent acid
Retracting device has that structure is more complicated, larger, spent acid the recycling effect of water consumption is poor.
For realizing above-mentioned technical purpose, the technical solution adopted in the utility model is as follows：
Special Resin trundle bed acid-restoring plant, including ion exchange column, waste acid pot and eluting flow container, described ion exchange
Post is the cylindrical structure of hollow, and the ratio of the height dimension of described ion exchange column and internal diameter size is 1:6, described ion exchange
It is filled with strong-base anion-exchange resin granule, the top left position of described ion exchange column is provided with eluent and enters in post
Mouth, top right end position are provided with brine outlet, and the bottom left position of described ion exchange column is provided with spent acid import, bottom right-hand member
Position is provided with eluent outlet, and the pipeline that described waste acid pot is connected and connects with spent acid inlet ductwork is sequentially provided with the first increasing
Press pump, first flowmeter, the first filter, the first valve, the pipeline that described eluting flow container is connected with eluting liquid pipeline and connects
On be sequentially provided with the second booster pump, second flowmeter, the second filter, the second valve and the 7th valve, described brine outlet pipe
Road is connected with brine tank, and described brine outlet and the tank connected pipeline of saline are sequentially provided with PH detector, the 3rd valve, described
Eluent outlet is connected in parallel to sour collecting tank, eluent recycling can, the pipeline between described eluent outlet and sour collecting tank
It is provided with H+Detector and the 4th valve, are provided with the 5th valve between the outlet of described eluent and eluent recycling can, described wash
De- liquid recycling can is connected with the export pipeline of the second valve, between described eluent recycling can and the export pipeline of the second valve
It is provided with the 3rd booster pump and the 6th valve.
Using the utility model of technique scheme, when recycling spent acid, open the first valve and the 3rd valve, second
Valve, the 4th valve, the 5th valve, the 6th valve and the 7th valve are closed, and start the first booster pump, by waste acid pot
In waste acid liquor by the first booster pump be pumped to first filter remove impurity after, from bottom to top pass through ion exchange column,
Because strong-base anion-exchange resin granule has adsorption to acid, and there is no adsorption to salt, haline water is flowed out in upper end
Solution is gradually adsorbed by acid to top brine outlet end to brine tank, strong-base anion-exchange resin granule from spent acid entrance point
Saturation, when PH detector detects pH value for 6, closes the first booster pump, the first valve and the 3rd valve, opens the second valve
Door, the 7th valve and the 4th valve, the first valve, the 3rd valve, the 5th valve, the 6th valve are closed, and start the
Two booster pumps carry out the eluting of acid, and eluent is introduced in sour collecting tank, treats H+Detector detects H+Concentration is 0.4mol/L,
5th valve is opened, closes the 4th valve, now the eluent of relatively low acid concentration will enter in eluent recycling can, eluent
The eluent reclaiming in recycling can be used for the eluting of strong-base anion-exchange resin granule next time, that is, open the 6th valve
Door, starts the 3rd booster pump, and the eluent now reclaiming will be mixed with the eluent in eluting flow container from eluent import entrance
In ion exchange column, so eluent can be recycled, and then decrease water consumption.In sum, this special type tree
Fat trundle bed acid-restoring plant structure is simple, decreases the consumption of water, and the recycling effect of spent acid is preferable.
Limit further, the height dimension of described ion exchange column is 20cm, internal diameter size is 120cm, such structure
Design, versatility is stronger, and reasonable in design, spent acid treating capacity is larger.
Limit further, the diameter dimension of described strong-base anion-exchange resin granule is 0.06mm～0.1mm, so
Size design, versatility is stronger, decreases the space between strong-base anion-exchange resin granule in ion exchange column, washes
The consumption of eluent can be reduced during deacidification.
Limit further, the position that described eluent import is connected with ion exchange column with eluent outlet is provided with the first sieve
Plate, the screen-aperture of described first sieve plate is smaller in size than the diameter dimension of strong-base anion-exchange resin granule, such knot
Structure designs, and strong-base anion-exchange resin granule can be avoided to enter in pipeline.
Limit further, the position that described spent acid import is connected with ion exchange column with brine outlet is provided with the second sieve plate,
The screen-aperture of described second sieve plate is smaller in size than the diameter dimension of strong-base anion-exchange resin granule, and such structure sets
Meter, can avoid strong-base anion-exchange resin granule to enter in pipeline.
Limit further, described first filter and the second filter are cartridge filter, and cartridge filter can be right
Trace suspension granule in liquid, colloid, microorganism etc. are adsorbed or are retained, and decrease the liquid entering in ion exchange column
In impurity.
Brief description
This utility model can be further illustrated by the nonlimiting examples that accompanying drawing is given；
Fig. 1 is the structural representation of this utility model Special Resin trundle bed acid-restoring plant embodiment；
Main element symbol description is as follows：
Ion exchange column 1, waste acid pot 21, the first booster pump 22, first flowmeter 23, the first filter 24, the first valve
25th, eluting flow container 31, the second booster pump 32, second flowmeter 33, the second filter 34, the second valve 35, eluent import 4,
Brine outlet 5, spent acid import 6, eluent outlet 7, brine tank 81, PH detector 82, the 3rd valve 83, sour collecting tank 91, H+
Detector 92, the 4th valve 93, eluent recycling can 101, the 5th valve 102, the 3rd booster pump 111, the 6th valve 112,
Seven valves 12, the first sieve plate 13 and the second sieve plate 14.
Specific embodiment
In order that those skilled in the art may be better understood this utility model, right with reference to the accompanying drawings and examples
Technical solutions of the utility model further illustrate.
As shown in figure 1, Special Resin trundle bed acid-restoring plant of the present utility model, including ion exchange column 1, waste acid pot
21 and eluting flow container 31, ion exchange column 1 is the cylindrical structure of hollow, and the height dimension of ion exchange column 1 is 20cm, internal diameter
A size of 120cm, is filled with strong-base anion-exchange resin granule, the top left of ion exchange column 1 in ion exchange column 1
Position is provided with eluent import 4, top right end position is provided with brine outlet 5, and the bottom left position of ion exchange column 1 is provided with useless
Sour import 6, bottom right end position are provided with eluent outlet 7, the pipeline that waste acid pot 21 is connected and connects with spent acid import 6 pipeline
On be sequentially provided with the first booster pump 22, first flowmeter 23, the first filter 24, the first valve 25, eluting flow container 31 and eluting
Liquid import 4 pipeline connect and connect pipeline on be sequentially provided with the second booster pump 32, second flowmeter 33, the second filter 34,
Second valve 35 and the 7th valve 12, brine outlet 5 pipeline is connected with brine tank 81, between brine outlet 5 and brine tank 81
PH detector 82, the 3rd valve 83 are sequentially provided with pipeline, eluent outlet 7 is connected in parallel to sour collecting tank 91, eluent returns
Closed cans 101, the pipeline between eluent outlet 7 and sour collecting tank 91 is provided with H+Detector 92 and the 4th valve 93, eluent
It is provided with the 5th valve 102, the outlet of eluent recycling can 101 and the second valve 35 between outlet 7 and eluent recycling can 101
Road is connected, and is provided with the 3rd booster pump 111 and the 6th valve between the export pipeline of eluent recycling can 101 and the second valve 35
112.
Preferably, the height dimension of ion exchange column 1 be 20cm, internal diameter size be 120cm, versatility is stronger, and design is closed
Reason, spent acid treating capacity is larger.In fact, height dimension and the diameter of ion exchange column 1 can also be designed according to actual treatment amount
Size, but it must be ensured that the ratio of the height dimension of ion exchange column 1 and internal diameter size is 1:6.
Preferably, the diameter dimension of strong-base anion-exchange resin granule is 0.06mm～0.1mm, and versatility is stronger,
Decrease the space between resin particle in ion exchange column 1, the consumption of eluent during eluting acid, can be reduced.It may be noted that
It is that the diameter dimension of strong-base anion-exchange resin granule can consider according to practical situation.
Preferably, the position that eluent import 4, eluent outlet 7 are connected with ion exchange column 1 is provided with the first sieve plate 13,
The screen-aperture of the first sieve plate 13 is smaller in size than the diameter dimension of strong-base anion-exchange resin granule, and such structure sets
Meter, can avoid resin particle to enter in corresponding pipeline.In fact, the first sieve plate can also specifically be considered as the case may be
The position of 13 settings and the screen size of the first sieve plate 13.
Preferably, the position that spent acid import 6, brine outlet 5 are connected with ion exchange column 1 is provided with the second sieve plate 14, and second
The screen-aperture of sieve plate 14 is smaller in size than the diameter dimension of strong-base anion-exchange resin granule, and such structure design can
To avoid resin particle to enter in corresponding pipeline.In fact, can also specifically consider that the second sieve plate 14 sets as the case may be
The position put and the screen size of the second sieve plate 14.
Preferably, the first filter 24 and the second filter 34 are cartridge filter, and cartridge filter can be to liquid
In trace suspension granule, colloid, microorganism etc. adsorbed or retained, decrease in the liquid entering in ion exchange column 1
Impurity.In fact, other kinds of filter can also be selected as the case may be.
This Special Resin trundle bed acid-restoring plant processing solution ability is 50m3/ h, the amplification of equipment can be by increasing
The diameter of ion exchange column 1 is realizing.First strong-base anion-exchange resin granule is immersed in necessarily dense before loaded resin
In the saline solution of degree, soak a few hours, so that strong-base anion-exchange resin particle volume is shunk, then will be cloudy containing strong basicity
The saline solution of ion-exchange resin particles is poured in ion exchange column 1, rocks uniformly and settles, then with pure water drip washing a few hours,
So that resin is closely knit is unable to disturbance.
During recycling spent acid, open the first valve 25 and the 3rd valve 83, other valves are closed, start the
One booster pump 22, the waste acid liquor in waste acid pot 21 is pumped to the first filter 24 by booster pump 22 and removes after impurity, by
Down and above pass through ion exchange column 1, because strong-base anion-exchange resin granule has adsorption to acid, and salt is not inhaled
Attached effect, high salt aqueous solution is flowed out to brine tank 81 in upper end, and strong-base anion-exchange resin granule is from spent acid import 6 to top
The first booster pump 22, first gradually by sour adsorption saturation, when PH detector 82 detects pH value for 6, is closed in brine outlet 5 end
Valve 25 and the 3rd valve 83, open the second valve 35, the 7th valve 12 and the 4th valve 93, and other valves are in closing shape
State, starts the eluting that the second booster pump 32 carries out acid, eluent is introduced in sour collecting tank 91, treats H+Detector 92 detects H+
Concentration is 0.4mol/L, and the 5th valve 102 is opened, and closes the 4th valve 93, and now the eluent of relatively low acid concentration will enter
In eluent recycling can 101, the eluent reclaiming in eluent recycling can 101 can be used for the eluting of resin particle next time, that is,
Open the 6th valve 112, start the 3rd booster pump 111, the eluent now reclaiming will be mixed with the eluent in eluting flow container 31
Close and enter ion exchange column 1 from eluent import 4, so eluent can be recycled, and then decrease and use water
Amount.This Special Resin trundle bed acid-restoring plant enters, to the spent acid of 5% processing, the acid that acid can be recovered to 20%, its structure letter
Single, decrease the consumption of water, and the recycling effect of spent acid is preferable.
The Special Resin trundle bed acid-restoring plant above this utility model being provided is described in detail.It is embodied as
The explanation of example is only intended to help understand method of the present utility model and its core concept.It should be pointed out that for the art
Those of ordinary skill for, on the premise of without departing from this utility model principle, this utility model can also be carried out some
Improve and modify, these improve and modification also falls in this utility model scope of the claims.
Claims (6)
1. Special Resin trundle bed acid-restoring plant, including ion exchange column (1), waste acid pot (21) and eluting flow container (31), its
It is characterised by：Described ion exchange column (1) is the cylindrical structure of hollow, the height dimension of described ion exchange column (1) and interior
The ratio of footpath size is 1:6, it is filled with strong-base anion-exchange resin granule in described ion exchange column (1), described ion is handed over
The top left position changing post (1) is provided with eluent import (4), top right end position is provided with brine outlet (5), and described ion is handed over
The bottom left position changing post (1) is provided with spent acid import (6), bottom right end position is provided with eluent outlet (7), described waste acid pot
(21) be connected with spent acid import (6) pipeline and connecting line on be sequentially provided with the first booster pump (22), first flowmeter (23),
First filter (24), the first valve (25), described eluting flow container (31) is connected and connects with eluent import (4) pipeline
Second booster pump (32), second flowmeter (33), the second filter (34), the second valve (35) and the 7th are sequentially provided with pipeline
Valve (12), described brine outlet (5) pipeline is connected with brine tank (81), between described brine outlet (5) and brine tank (81)
Pipeline on be sequentially provided with PH detector (82), the 3rd valve (83), described eluent outlet (7) is connected in parallel to sour collecting tank
(91), eluent recycling can (101), the pipeline between described eluent outlet (7) and sour collecting tank (91) is provided with H+Detection
Device (92) and the 4th valve (93), are provided with the 5th valve between described eluent outlet (7) and eluent recycling can (101)
(102), described eluent recycling can (101) is connected with the export pipeline of the second valve (35), described eluent recycling can
(101) it is provided with the 3rd booster pump (111) and the 6th valve (112) and the export pipeline of the second valve (35) between.
2. Special Resin trundle bed acid-restoring plant according to claim 1 it is characterised in that：Described ion exchange column
(1) height dimension is 20cm, internal diameter size is 120cm.
3. Special Resin trundle bed acid-restoring plant according to claim 2 it is characterised in that：Described strong alkalinity anion
The diameter dimension of exchanger resin granule is 0.06mm～0.1mm.
4. Special Resin trundle bed acid-restoring plant according to claim 3 it is characterised in that：Described eluent import
(4), the position that eluent outlet (7) is connected with ion exchange column (1) is provided with the first sieve plate (13), described first sieve plate (13)
Screen-aperture is smaller in size than the diameter dimension of strong-base anion-exchange resin granule.
5. Special Resin trundle bed acid-restoring plant according to claim 4 it is characterised in that：Described spent acid import (6),
The position that brine outlet (5) is connected with ion exchange column (1) is provided with the second sieve plate (14), the sieve aperture hole of described second sieve plate (14)
Footpath is smaller in size than the diameter dimension of strong-base anion-exchange resin granule.
6. Special Resin trundle bed acid-restoring plant according to claim 5 it is characterised in that：Described first filter
(24) and the second filter (34) is cartridge filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013666.1U CN205999182U (en) | 2016-08-30 | 2016-08-30 | Special Resin trundle bed acid-restoring plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013666.1U CN205999182U (en) | 2016-08-30 | 2016-08-30 | Special Resin trundle bed acid-restoring plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205999182U true CN205999182U (en) | 2017-03-08 |
Family
ID=58192612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621013666.1U Expired - Fee Related CN205999182U (en) | 2016-08-30 | 2016-08-30 | Special Resin trundle bed acid-restoring plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205999182U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670081A (en) * | 2019-09-04 | 2020-01-10 | 北京耀智环保科技有限公司 | Acid recovery device and process method for reverse ion exchange |
| CN114150328A (en) * | 2021-10-28 | 2022-03-08 | 中冶南方工程技术有限公司 | Online adjustable acid liquor recovery method |
| CN118458891A (en) * | 2024-05-31 | 2024-08-09 | 杭州秀澈环保科技有限公司 | Separation treatment system and treatment method for separating salt and acid from salt solution |
-
2016
- 2016-08-30 CN CN201621013666.1U patent/CN205999182U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670081A (en) * | 2019-09-04 | 2020-01-10 | 北京耀智环保科技有限公司 | Acid recovery device and process method for reverse ion exchange |
| CN114150328A (en) * | 2021-10-28 | 2022-03-08 | 中冶南方工程技术有限公司 | Online adjustable acid liquor recovery method |
| CN114150328B (en) * | 2021-10-28 | 2023-08-25 | 中冶南方工程技术有限公司 | Online adjustable acid liquor recovery method |
| CN118458891A (en) * | 2024-05-31 | 2024-08-09 | 杭州秀澈环保科技有限公司 | Separation treatment system and treatment method for separating salt and acid from salt solution |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Short bed waste acid recycling device of special resin Effective date of registration: 20190116 Granted publication date: 20170308 Pledgee: Caixin Guoxing Real Estate Development Co.,Ltd. Pledgor: SHAANXI HUALU CHEMICAL ENVIRONMENTAL PROTECTION Co.,Ltd. Registration number: 2019980000025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 |