CN202688753U - Pulping heat energy recycling device - Google Patents
Pulping heat energy recycling device Download PDFInfo
- Publication number
- CN202688753U CN202688753U CN2012203483819U CN201220348381U CN202688753U CN 202688753 U CN202688753 U CN 202688753U CN 2012203483819 U CN2012203483819 U CN 2012203483819U CN 201220348381 U CN201220348381 U CN 201220348381U CN 202688753 U CN202688753 U CN 202688753U
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- steam
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- reboiler
- heat exchanger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a pulping heat energy recycling device which comprises a waste heat furnace, wherein the waste heat furnace is connected with a waste steam outlet of a high concentration pulp grinder (1); the waste heat furnace comprises a fiber separating unit, a heat recycling unit and a washing unit; the fiber separating unit comprises a buffer cabin (4) and a fiber eccentric separator (5); the heat recycling unit comprises a reboiler (6), heat exchanger (8), a wood piece cabin (3), a wood piece washing tank (2) and a water supply tank (10); a condenser (7) is arranged between the reboiler (6) and the heat exchanger (8); a degasifier (8) is arranged between the heat exchanger (8) and the water supply tank (10); and the washing unit is a washing tower (11). With the adoption of the pulping heat energy recycling device, the characteristics that the existing waste steam recycling is large in heat energy waste and large in environment pollution are changed, and the heat energy can be recycled sufficiently without pollution.
Description
Technical field
The utility model relates to the waste heat utilization equipment technical field, is specifically related to a kind of slurrying heat energy recycle device.
Background technology
At present, there are the phenomenons such as run, drip, leak of steam in a lot of little factories of slurrying, because contain slurrying fine fibre, residue chemistry product in the waste gas, therefore have serious air quality deterioration, atmospheric corrosion problem.Be to solve problems, in, large-scale chemical pulp factory usually utilize heat recovering process to pulp gas purify, reuse processes.
The energy recovery technology of slurrying waste vapour is relatively simple now, in existing heat recovery system, the waste hot steam that produces in the flow process needs to be transformed into indirect steam through heat recovery system first and just can be back to use in the flow process, because of the heat recovery system disposal ability certain, heat recovery system there is no method and processes all waste hot steams fully at present, the waste hot steam that has more can only efflux and cause unnecessary waste, also to environment on every side.
Summary of the invention
The purpose of this utility model is for above-mentioned existing problem, provides a kind of and can fully reclaim heat energy and free of contamination slurrying heat energy recycle device.
To achieve these goals, the utility model is achieved through the following technical solutions:
A kind of slurrying heat energy recycle device comprises the waste heat boiler that is connected with the outlet of high-density paste mill exhaust steam, and described waste heat boiler comprises fiber separation unit, heat recovery units and washing unit; Described fiber separation unit comprises surge bunker and fiber centrifugal separator, between fiber centrifugal separator and the high-density paste mill surge bunker is set, the outlet of high-density paste mill exhaust steam is connected with the steam inlet of surge bunker, and the steam (vapor) outlet of surge bunker is connected with the steam inlet of fiber centrifugal separator; Described heat recovery units comprises reboiler, heat exchanger, chip bin, chip washing groove and feed trough, reboiler, chip bin and chip washing groove are connected steam inlet and are connected with the steam (vapor) outlet of fiber centrifugal separator, and the steam (vapor) outlet of reboiler and chip bin are connected steam inlet and are connected with the chip washing groove; Described washing unit is scrubbing tower, and the spray import of scrubbing tower is connected with the liquid outlet of chip washing groove, and the steam inlet of scrubbing tower and fiber centrifugal separator are connected steam (vapor) outlet and are connected with condenser.
Between the above reboiler and the heat exchanger condenser is set, between heat exchanger and the feed trough deaerator is set; The hot water inlet of heat exchanger is connected with the hot water outlet of reboiler by condenser, and the cooling water inlet of heat exchanger is connected with feed trough by deaerator, and the outlet of heat exchanger is connected with the cooling water inlet of reboiler by condenser.
In order to reclaim more waste hot steam, to reduce scrubbing tower processing load, the utility model reuse exhaust steam to three direction: chip bin, chip washing groove and alkali recycle section are respectively applied to heat wood chip, washings and sewage disposal.
Carry out the scrubbing effect when fiber content in the steam is large, the high consistency refining system resets, can add water at scrubbing tower when heat recovery units can't be accepted indirect steam, the shower water of the utility model scrubbing tower adopts chip washing water as gas water, washings itself contain the part fiber, can effectively remove fiber content in the exhaust steam, strengthen the clean result to exhaust steam.
Compared with prior art, the beneficial effects of the utility model are:
1. the shower water of the utility model scrubbing tower adopts the washings of chip washing groove, and the scrubbing effect obtains effective the improvement, no longer occurs slurry around the workshop and considers the horizontal scene that flies to be worth doing, not only reduces industrial water, slurry loss, also effectively controls surrounding environment.
2. the utility model year is reclaimed the VE 131400T of workshop section indirect steam for alkali, helps alkali to recycle 2,100,000 tons of pulping sewages.The slurrying system can the complete-reclaiming exhaust steam, and can guarantee 80 ℃ of temperature of technological requirement.Under the slurry output 800ADT/d, heat reclamation device only need be produced the slurrying of 2.5T/h secondary steam recycling, directly discharges 1T/h tail gas.
3. raising productivity effect.With regard to reducing the secondary steam recycling amount, improve use amount in the workshop of the front indirect steam of use amount-transformation in the workshop of indirect steam after benefit=transformation) 3601260 yuan of * 22.5*30*12*98.8=of * steam unit price=(7-2.5), economize 3,600,000 yuan to teenager.
Description of drawings
Fig. 1 is the utility model slurrying heat energy recycle apparatus structure schematic diagram.
Reference numeral:
The 1-high-density paste mill, 2-chip washing groove, 3-chip bin, 4-surge bunker, 5-fiber centrifugal separator, 6-reboiler, 7-condenser, 8-heat exchanger, 9-deaerator, 10-feed trough, 11-scrubbing tower, 12-water pipe, 13-steam pipe, VE-alkali recycle section.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified, but embodiment of the present utility model is not limited to the scope that embodiment represents.
Embodiment 1:
A kind of slurrying heat energy recycle device comprises the waste heat boiler that is connected with the outlet of high-density paste mill 1 exhaust steam, and waste heat boiler comprises fiber separation unit, heat recovery units and washing unit.
The fiber separation unit comprises surge bunker 4 and fiber centrifugal separator 5, between fiber centrifugal separator 5 and the high-density paste mill 1 surge bunker 4 is set, the outlet of high-density paste mill 1 exhaust steam is connected with the steam inlet of surge bunker 4, and the steam (vapor) outlet of surge bunker 4 is connected with the steam inlet of fiber centrifugal separator 5.
Heat recovery units comprises reboiler 6, heat exchanger 8, chip bin 3, chip washing groove 2 and feed trough 10, the steam inlet that reboiler 6, chip bin 3 and chip washing groove are connected is connected with the steam (vapor) outlet of fiber centrifugal separator 5, and the steam (vapor) outlet of reboiler 6 is connected with the steam inlet that chip bin 3 is connected with the chip washing groove.Between reboiler 6 and the heat exchanger 8 condenser 7 is set, between heat exchanger 8 and the feed trough 10 deaerator 9 is set; The hot water inlet of heat exchanger 8 is connected with the hot water outlet of reboiler 6 by condenser 7, and the cooling water inlet of heat exchanger 8 is connected with feed trough 10 by deaerator 9, and the outlet of heat exchanger 8 is connected with the cooling water inlet of reboiler 6 by condenser 7.
The washing unit is scrubbing tower 11, and the spray import of scrubbing tower 11 is connected with the liquid outlet of chip washing groove 2, and the steam inlet of scrubbing tower 11 is connected with the steam (vapor) outlet that fiber centrifugal separator 5 is connected with condenser.
Its operation principle is:
The exhaust steam that high-density paste mill 1 produces successively enters into surge bunker 4 and fiber centrifugal separator 5 through steam pipe 13, remove most of fiber content in the steam through centrifugation, then export a steam part by reboiler 6 heating, become indirect steam, enter respectively chip bin 3 heating wood chips, chip washing groove 2 heated scrub water, alkali recovery sewage disposal workshop section and condenser 7; Part steam directly enters chip bin 3 heating wood chips, chip washing groove 2 heated scrub water; The steam of a part of steam and condenser 7 together enters scrubbing tower 11 in addition, and after the washings spray of chip washing groove 2 was processed, tail gas was discharged in the air.
Cooling water in the tank 10 flows into deaerator 9 through water pipe 12, after deaerator 9 is processed, enters heat exchanger 8; The hot water that reboiler 6 is discharged enters heat exchanger 8 and carries out heat exchange after condenser cools off a little; After heat exchanger 8 water process condenser cooling out, enter reboiler 6 recycles.
Claims (2)
1. a slurrying heat energy recycle device comprises the waste heat boiler that is connected with the outlet of high-density paste mill (1) exhaust steam, and it is characterized in that: described waste heat boiler comprises fiber separation unit, heat recovery units and washing unit; Described fiber separation unit comprises surge bunker (4) and fiber centrifugal separator (5), between fiber centrifugal separator (5) and the high-density paste mill (1) surge bunker (4) is set, the outlet of high-density paste mill (1) exhaust steam is connected with the steam inlet of surge bunker (4), and the steam (vapor) outlet of surge bunker (4) is connected with the steam inlet of fiber centrifugal separator (5); Described heat recovery units comprises reboiler (6), heat exchanger (8), chip bin (3), chip washing groove (2) and feed trough (10), reboiler (6), chip bin (3) are connected 2 with the chip washing groove) steam inlet be connected with the steam (vapor) outlet of fiber centrifugal separator (5), the steam (vapor) outlet of reboiler (6) is connected 2 with chip bin (3) with the chip washing groove) steam inlet be connected; Described washing unit is scrubbing tower (11), and the spray import of scrubbing tower (11) is connected with the liquid outlet of chip washing groove (2), and the steam inlet of scrubbing tower (11) is connected 7 with fiber centrifugal separator (5) with condenser) steam (vapor) outlet be connected.
2. slurrying heat energy recycle device according to claim 1 is characterized in that: between described reboiler (6) and the heat exchanger (8) condenser (7) is set, between heat exchanger (8) and the feed trough (10) deaerator (9) is set; The hot water inlet of heat exchanger (8) is connected with the hot water outlet of reboiler (6) by condenser (7), the cooling water inlet of heat exchanger (8) is connected with feed trough (10) by deaerator (9), and the outlet of heat exchanger (8) is connected with the cooling water inlet of reboiler (6) by condenser (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203483819U CN202688753U (en) | 2012-07-18 | 2012-07-18 | Pulping heat energy recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203483819U CN202688753U (en) | 2012-07-18 | 2012-07-18 | Pulping heat energy recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202688753U true CN202688753U (en) | 2013-01-23 |
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ID=47544398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203483819U Withdrawn - After Issue CN202688753U (en) | 2012-07-18 | 2012-07-18 | Pulping heat energy recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202688753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733231A (en) * | 2012-07-18 | 2012-10-17 | 广西金桂浆纸业有限公司 | Pulping heat recycling device |
-
2012
- 2012-07-18 CN CN2012203483819U patent/CN202688753U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733231A (en) * | 2012-07-18 | 2012-10-17 | 广西金桂浆纸业有限公司 | Pulping heat recycling device |
| CN102733231B (en) * | 2012-07-18 | 2016-02-10 | 广西金桂浆纸业有限公司 | Slurrying heat energy recycle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |