CN206553816U - A kind of displacement bleaching device - Google Patents
A kind of displacement bleaching device Download PDFInfo
- Publication number
- CN206553816U CN206553816U CN201621484249.5U CN201621484249U CN206553816U CN 206553816 U CN206553816 U CN 206553816U CN 201621484249 U CN201621484249 U CN 201621484249U CN 206553816 U CN206553816 U CN 206553816U
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- displacement
- conduit
- heat
- room
- rack
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Abstract
A kind of displacement bleaching device, including displacement room, Suction filtration device, vavuum pump, upper flow container, constant temperature water bath and circulating pump, the top for replacing room is provided with upper lid, the bottom of displacement room is connected by conduit with Suction filtration device, Suction filtration device is connected by conduit with vavuum pump, the displacement chamber interior walls are coated with epoxy resin film, replace chamber interior lower end and be provided with rack under heat-resistant polyester, replace in the middle of chamber interior provided with rack on heat-resistant polyester, rack top is provided with cloth liquid piston on heat-resistant polyester, cloth liquid piston is connected by conduit with upper flow container, the displacement chamber outer wall is surrounded with heat preservation sandwich layer, heat preservation sandwich layer upper end is connected by conduit with constant temperature water bath, heat preservation sandwich layer lower end is connected by conduit with circulating pump.The utility model significantly reduces displacement bleaching device material to H using the stainless steel displacement chamber interior walls and heat-resistant polyester filter screen rack structure that are coated with epoxy resin film2O2Decomposition speed, improve H2O2Bleaching efficiency.
Description
Technical field
The utility model is related to paper making equipment field, more particularly to a kind of displacement bleaching device.
Background technology
In H2O2In displacement bleaching, H2O2Decomposition have a strong impact on H2O2Bleaching efficiency, cause to bleach unit quantity
The excessive H of paper pulp consumption2O2, the bleaching cost of paper pulp greatly improved.For control early stage bleaching equipment cost, at present, H2O2Put
The displacement main body majority changed in bleaching equipment uses the displacement room of stainless steel, due to causing H2O2Accelerate decompose it is external because
Transition metal ions, container material quality and the bright and clean degree of inner surface of container etc. are have, therefore only with the displacement of stainless steel
Bleaching equipment, although have some superiority in early stage equipment cost saving, but with the growth of duration of service, equipment quilt
Corrosion, stainless steel is in itself to H in addition2O2Decomposition play catalytic action, this series of factors seriously accelerates H2O2It is invalid
Decompose, greatly increase H2O2Consumption, so as to further increase bleaching cost.Therefore, design one kind can slow down H2O2Itself nothing
The displacement bleaching device that effect is decomposed is particularly important.
The content of the invention
The utility model replaces room to H to solve stainless steel2O2Decomposition aggravates, and causes H2O2Bleaching efficiency is low,
The problem of association with pulp bleaching cost is high can effectively slow down H there is provided one kind2O2Itself decomposition, the displacement for improving pulp bleaching efficiency
Bleaching system.
Technical solution adopted in the utility model：
A kind of displacement bleaching device, including displacement room, Suction filtration device, vavuum pump, upper flow container, constant temperature water bath and circulation
Pump, the top of displacement room is provided with upper lid, and the bottom of displacement room is connected by conduit with Suction filtration device, and Suction filtration device passes through conduit
It is connected with vavuum pump, the displacement chamber interior walls are coated with epoxy resin film, displacement chamber interior lower end is provided with rack under heat-resistant polyester,
Provided with rack on heat-resistant polyester in the middle of displacement chamber interior, rack top is provided with cloth liquid piston on heat-resistant polyester, and cloth liquid piston passes through
Conduit is connected with upper flow container, and the displacement chamber outer wall is surrounded with heat preservation sandwich layer, and heat preservation sandwich layer upper end passes through conduit and water bath with thermostatic control
Groove is connected, and heat preservation sandwich layer lower end is connected by conduit with circulating pump.
Described displacement room is 1Cr18Ni9Ti stainless steels.
Scale is carved with described cloth liquid piston, paper pulp pulp layer thickness can be measured.
Valve is designed with the middle part of described each conduit.
The beneficial effects of the utility model：Chamber interior walls are replaced and heat-resisting using the stainless steel for being coated with epoxy resin film
Polyester filter screen rack structure, significantly reduces displacement bleaching device material to H2O2Decomposition speed, improve H2O2's
Bleaching efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein：1- replaces room；2- vavuum pumps；3- Suction filtration devices；4- conduits；5- heat preservation sandwich layers；Rack on 6- heat-resistant polyesters；
7- epoxy resin films；Covered on 8-；9- cloth liquid pistons；10- valves；The upper flow containers of 11-；12- constant temperature water baths；13- circulating pumps；14-
Rack under heat-resistant polyester.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
The embodiment of type is set forth in.
As shown in figure 1, a kind of displacement bleaching device, including displacement room 1, Suction filtration device 3, vavuum pump 2, upper flow container 11, perseverance
Warm water bath 12 and circulating pump 13, the top of displacement room 1 are provided with upper lid 8, and the bottom of displacement room 1 passes through conduit 4 and Suction filtration device
3 are connected, and Suction filtration device 3 is connected by conduit 4 with vavuum pump 2, and the inwall of displacement room 1 is coated with epoxy resin film 7, displacement
The interior lower end of room 1 is provided with rack 14 under heat-resistant polyester, and the displacement bosom of room 1 is provided with rack 6, heat-resistant polyester on heat-resistant polyester
The upper top of rack 6 is provided with cloth liquid piston 9, and cloth liquid piston 9 is connected by conduit 4 with upper flow container 11, and the outer wall of displacement room 1 is surround
Have heat preservation sandwich layer 5, the upper end of heat preservation sandwich layer 5 is connected by conduit 4 with constant temperature water bath 12, the lower end of heat preservation sandwich layer 5 by conduit 4 with
Circulating pump 13 is connected.
Described displacement room 1 is 1Cr18Ni9Ti stainless steels.
Scale is carved with described cloth liquid piston 9, paper pulp pulp layer thickness can be measured.
The described middle part of each conduit 4 is designed with valve 10.
In the utility model specific works, the constant-temperature hot water in constant temperature water bath 12 is pumped into heat preservation sandwich layer by circulating pump 13
5, the circular heat preservation sandwich layer 5 of the displacement outer wall of room 1 is heated and is incubated to it, and the slurry of certain mass is placed in displacement room 1
Under heat-resistant polyester on rack 14, then rack on heat-resistant polyester 6 is placed in pulp layer, then installs cloth liquid piston 9, cover lid 8,
Pulp layer thickness can be measured by the scale on the bar of cloth liquid piston 9.By H2O2Added through upper flow container 11 in displacement room 1, start vacuum
Pump 2, makes to produce certain pressure differential above and below pulp layer, so that H2O2Pulp layer is penetrated with certain flow velocity, metathesis is produced, reaches
To the purpose of displacement bleaching.The liquid displaced is entered in Suction filtration device 3, according to the difference of required final whiteness and scheme,
Multistage displacement bleaching can be carried out.
One embodiment of the present utility model is described in detail above, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all to be made according to present utility model application scope
Equivalent change with improve etc., all should still belong within patent covering scope of the present utility model.
Claims (4)
1. a kind of displacement bleaching device, it is characterised in that including displacement room (1), Suction filtration device (3), vavuum pump (2), upper flow container
(11), constant temperature water bath (12) and circulating pump (13), the top of displacement room (1) is provided with upper lid (8), and the bottom of displacement room (1) leads to
Cross conduit (4) with Suction filtration device (3) to be connected, Suction filtration device (3) is connected by conduit (4) with vavuum pump (2), the displacement room
(1) inwall is coated with epoxy resin film (7), and displacement room (1) interior lower end is provided with rack (14) under heat-resistant polyester, replaced room (1)
Bosom is provided with rack (6) top on rack (6) on heat-resistant polyester, heat-resistant polyester and is provided with cloth liquid piston (9), cloth liquid piston
(9) it is connected by conduit (4) with upper flow container (11), displacement room (1) outer wall is surrounded with heat preservation sandwich layer (5), heat preservation sandwich layer (5)
Upper end is connected by conduit (4) with constant temperature water bath (12), and heat preservation sandwich layer (5) lower end passes through conduit (4) and circulating pump (13) phase
Even.
2. a kind of displacement bleaching device according to claim 1, it is characterised in that described displacement room (1) is
1Cr18Ni9Ti stainless steels.
3. a kind of displacement bleaching device according to claim 1, it is characterised in that be carved with described cloth liquid piston (9)
Scale, can measure paper pulp pulp layer thickness.
4. a kind of displacement bleaching device according to claim 1, it is characterised in that all set in the middle part of described each conduit (4)
There is valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484249.5U CN206553816U (en) | 2016-12-31 | 2016-12-31 | A kind of displacement bleaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484249.5U CN206553816U (en) | 2016-12-31 | 2016-12-31 | A kind of displacement bleaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206553816U true CN206553816U (en) | 2017-10-13 |
Family
ID=60359422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621484249.5U Expired - Fee Related CN206553816U (en) | 2016-12-31 | 2016-12-31 | A kind of displacement bleaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206553816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124601A (en) * | 2019-05-22 | 2019-08-16 | 安徽红太阳新材料有限公司 | A kind of alkyl glycosides bleaching system |
-
2016
- 2016-12-31 CN CN201621484249.5U patent/CN206553816U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124601A (en) * | 2019-05-22 | 2019-08-16 | 安徽红太阳新材料有限公司 | A kind of alkyl glycosides bleaching system |
| CN110124601B (en) * | 2019-05-22 | 2021-03-26 | 安徽红太阳新材料有限公司 | Alkyl glycoside bleaching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20171013 Termination date: 20191231 |