CN207056129U - A kind of murexide mother liquor pretreatment unit - Google Patents
A kind of murexide mother liquor pretreatment unit Download PDFInfo
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- CN207056129U CN207056129U CN201720952631.2U CN201720952631U CN207056129U CN 207056129 U CN207056129 U CN 207056129U CN 201720952631 U CN201720952631 U CN 201720952631U CN 207056129 U CN207056129 U CN 207056129U
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- settling tank
- murexide
- filtration
- mother liquor
- separation device
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Abstract
The utility model proposes a kind of murexide mother liquor pretreatment unit, including murexide mother liquor entrance, murexide mother liquor entrance connects a settling tank, one time settling tank top is provided with overflow pipe, settling tank is connected by overflow pipe with secondary settling tank, secondary settling tank is connected with inorganic substances compound membrane ultra-filtration and separation device, inorganic substances compound membrane ultra-filtration and separation device is provided with the clear liquid pipeline towards treatment center of sewage, inorganic substances compound membrane ultra-filtration and separation device is provided with the dope pipeline of settling tank of connection, compression pump is provided between secondary settling tank and inorganic substances compound membrane ultra-filtration and separation device.The murexide mother liquor pretreatment unit improves product yield, processing is reached Eligibility requirements, it is ensured that murexide can play maximum production capacity and be produced.
Description
Technical field
The utility model belongs to field of chemical equipment, more particularly to a kind of murexide mother liquor pretreatment unit.
Background technology
Murexide is the important intermediate in caffeine production process, and its rotary process can produce one complicated component, height
Ammonia nitrogen, high COD, the mother liquor of high salt, it is difficult to handle.Usual murexide mother liquor is directly handled using biochemical mode, but is limited to locate
Reason ability and effect, it is impossible to ensure whole mother liquor qualified discharges, thus limit the performance of murexide production capacity.Therefore, now urgently
Need a kind of murexide mother liquor pretreatment unit.
Utility model content
The utility model proposes a kind of murexide mother liquor pretreatment unit, solves murexide mother liquid disposal in the prior art
The problem of being difficult to qualified discharge.
What the technical solution of the utility model was realized in：A kind of murexide mother liquor pretreatment unit, including murexide
Mother liquor entrance, the murexide mother liquor entrance connect a settling tank, and a settling tank top is provided with overflow pipe, described
One time settling tank is connected by the overflow pipe with secondary settling tank, the secondary settling tank and inorganic substances compound membrane ultra-filtration and separation
Device connects, and the inorganic substances compound membrane ultra-filtration and separation device is provided with the clear liquid pipeline towards treatment center of sewage, described inorganic multiple
Close film ultra-filtration and separation device and be provided with the dope pipeline for connecting a settling tank.
As a preferred embodiment, the inorganic substances compound membrane ultra-filtration and separation device by charging pump with it is described secondary heavy
Pond connection is dropped, and the inorganic substances compound membrane ultra-filtration and separation device includes two groups of ceramic membrane filter systems, ceramic membrane filter described in every group
System is made up of three sets of purpose ceramic-film filters in parallel, and circulating pump, the confession are provided between ceramic membrane filter system described in two groups
Prefilter is provided between material pump and the ceramic membrane filter system, the ceramic membrane filter system is also associated with reverse washing tank.
As a preferred embodiment, set between the secondary settling tank and the inorganic substances compound membrane ultra-filtration and separation device
There is compression pump.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：On the one hand by high ammonia nitrogen, high COD, high salt
Mother liquor filtering sedimentation, this part murexide can reclaim use, improve product yield；On the other hand by the mother of pretreatment
Liquid, COD, ammonia nitrogen, salt are greatly lowered, and reach Eligibility requirements, and treatment center of sewage pressure is reduced, and murexide can also play
Maximum production capacity is produced.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram of the utility model murexide mother liquor pretreatment unit；
Fig. 2 is the structural representation of inorganic substances compound membrane ultra-filtration and separation device in the utility model.
In figure, 1- murexide mother liquor entrances；Settling tank of 2-；3- overflow pipes；4- secondary settling tanks；5- inorganic compoundings
Film ultra-filtration and separation device；6- clear liquid pipelines；7- dope pipelines；8- compression pumps；9- charging pumps；10- ceramic membrane filter systems；11-
Circulating pump；12- prefilters；13- reverse washing tanks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment：
As illustrated in fig. 1 and 2, a kind of murexide mother liquor pretreatment unit, including murexide mother liquor entrance 1, murexide mother liquor
Entrance 1 connects a settling tank 2, and the top of settling tank 2 is provided with overflow pipe 3, a settling tank 2 by overflow pipe 3 and
Secondary settling tank 4 connects, and secondary settling tank 4 is connected with inorganic substances compound membrane ultra-filtration and separation device 5, inorganic substances compound membrane ultra-filtration and separation dress
Put 5 and be provided with the clear liquid pipeline 6 for leading to treatment center of sewage, inorganic substances compound membrane ultra-filtration and separation device 5 is provided with settling tank 2 of connection
Dope pipeline 7, inorganic substances compound membrane ultra-filtration and separation device 5 is connected by charging pump 9 with secondary settling tank 4, and inorganic substances compound membrane surpasses
Filter separator 5 includes two groups of ceramic membrane filter systems 10, and every group of ceramic membrane filter system 10 is by three sets of ceramic membrane mistakes in parallel
Filter forms, and is provided with circulating pump 11 between two groups of ceramic membrane filter systems 10, is set between charging pump 9 and ceramic membrane filter system 10
There is prefilter 12, ceramic membrane filter system 10 is also associated with reverse washing tank 13, secondary settling tank 4 and inorganic substances compound membrane ultrafiltration point
From being provided with compression pump 8 between device 5.
Murexide mother liquor uses pretreatment mode, and the former mother liquor for being directly entered biochemical treatment tank, which initially enters, once to be settled
Pond, supernatant overflow enter secondary settling tank, and mother liquor is again by inorganic substances compound membrane ultra-filtration and separation device in secondary settling tank, clearly
Liquid goes to treatment center of sewage and carries out biochemical treatment, and dope is back to a settling tank and precipitated again, dope in a settling tank
It is centrifuged, recovery uses.
Inorganic substances compound membrane ultra-filtration and separation device be based on the sieve effect of porous ceramic medium and carry out material separation skill
Art, using with the completely different dynamic of filter type " cross-flow filtration " mode such as traditional " dead-end filtration " " cake filtration "：Exist
Under pressure-driven, material liquid on the inside of membrane tube film surface with certain flow velocity flow at high speed, small-molecule substance (liquid) along with
Vertical direction pass through microporous barrier, macromolecular substances (or solid particle) are rejected by, make fluid reach separation concentration and purifying
Purpose.
Murexide mother liquor from secondary settling tank squeezes into prefilter by charging pump and carries out pre-filtering, through circulating pump by mother
Liquid carries out circulating filtration in two groups of six sets of purpose ceramic-film filters, and clear liquid drains into treatment center of sewage by being filtered in film to outside film,
Dope continues cycling through filtering, and dope is discharged into a settling tank.Certain time is run, the clear liquid in reverse washing tank is made in compressed air
Backwashed under.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (3)
- A kind of 1. murexide mother liquor pretreatment unit, it is characterised in that including：Murexide mother liquor entrance, the murexide mother liquor Entrance connects a settling tank, and a settling tank top is provided with overflow pipe, and a settling tank passes through the overflow Pipeline is connected with secondary settling tank, and the secondary settling tank is connected with inorganic substances compound membrane ultra-filtration and separation device, the inorganic compounding Film ultra-filtration and separation device is provided with the clear liquid pipeline towards treatment center of sewage, and the inorganic substances compound membrane ultra-filtration and separation device, which is provided with, to be connected Connect the dope pipeline of a settling tank.
- A kind of 2. murexide mother liquor pretreatment unit as claimed in claim 1, it is characterised in that：The inorganic substances compound membrane ultrafiltration Separator is connected by charging pump with the secondary settling tank, and the inorganic substances compound membrane ultra-filtration and separation device includes two groups of ceramics Membrane filtration system, ceramic membrane filter system described in every group are made up of three sets of purpose ceramic-film filters in parallel, ceramic membrane described in two groups Circulating pump is provided between filtration system, prefilter, the pottery are provided between the charging pump and the ceramic membrane filter system Porcelain membrane filtration system is also associated with reverse washing tank.
- A kind of 3. murexide mother liquor pretreatment unit as claimed in claim 1, it is characterised in that：The secondary settling tank and institute State and be provided with compression pump between inorganic substances compound membrane ultra-filtration and separation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952631.2U CN207056129U (en) | 2017-08-01 | 2017-08-01 | A kind of murexide mother liquor pretreatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952631.2U CN207056129U (en) | 2017-08-01 | 2017-08-01 | A kind of murexide mother liquor pretreatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207056129U true CN207056129U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720952631.2U Active CN207056129U (en) | 2017-08-01 | 2017-08-01 | A kind of murexide mother liquor pretreatment unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922363A (en) * | 2019-12-28 | 2020-03-27 | 新华制药（寿光）有限公司 | Continuous production process of violuric acid |
-
2017
- 2017-08-01 CN CN201720952631.2U patent/CN207056129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922363A (en) * | 2019-12-28 | 2020-03-27 | 新华制药（寿光）有限公司 | Continuous production process of violuric acid |
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