CN207031907U - A kind of high pressure delignification equipment for preparing bamboo pulp - Google Patents
A kind of high pressure delignification equipment for preparing bamboo pulp Download PDFInfo
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- CN207031907U CN207031907U CN201720546524.XU CN201720546524U CN207031907U CN 207031907 U CN207031907 U CN 207031907U CN 201720546524 U CN201720546524 U CN 201720546524U CN 207031907 U CN207031907 U CN 207031907U
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- kettle
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- bamboo pulp
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Abstract
The utility model proposes a kind of high pressure delignification equipment for preparing bamboo pulp, including stirring kettle, condensing unit and steam pump installation, air inlet pipe on condensing unit is connected by pipeline with stirring kettle top, the outlet pipe of condensing unit bottom is connected by water-supply-pipe with steam pump installation, steam pump installation includes steam generation storehouse, and the air pump connected with steam generation storehouse, the gas outlet of air pump is connected on stirring kettle by conduit, the annular appendix positioned at bottom is provided with stirred tank body, annular appendix is provided with least two transfer port, annular appendix connects with conduit, flow-stop valve is equipped with air inlet pipe and conduit.Stirring kettle of the present utility model, condensing unit and steam pump installation can realize recycling for water and steam, have the function of heating supercharging so that lignin degradation it is more efficient；The advantages of annular appendix adds the contact area of steam and bamboo pulp stoste, has heating evenly, and the efficiency of heating surface is higher.
Description
Technical field
The utility model belongs to paper making equipment field, and in particular to a kind of high pressure delignification equipment for preparing bamboo pulp.
Background technology
Traditional digesting apparatus is single heating digesting apparatus, easily make it that the material heating of boiling is uneven or anti-
Should be uneven, cause the second-rate of product or not up to standard.For material for bamboo pulping process in, because bamboo material is general
For the bamboo material after crushing, easily coalesce during the course of the reaction blocking, cause to react the uneven blocking for even causing equipment, sternly
Danger is also occurred that during weight, and boiling vapor utilization rate is very low in the course of the work, it is impossible to make full use of the energy；And
In condensed steam, condensate liquid tends not to flow traditional condenser pipe, and heat exchanger effectiveness is low, and condensation effect is poor.
Utility model content
The purpose of this utility model is：For heating set forth above it is uneven or reaction it is uneven, vapor is sharp
With rate it is very low the problem of, the utility model provides a kind of high pressure delignification equipment for preparing bamboo pulp.
The technical solution adopted in the utility model is as follows：
A kind of high pressure delignification equipment for preparing bamboo pulp, including stirring kettle, condensing unit and steam pump installation, it is cold
Air inlet pipe on solidifying device is connected by pipeline with stirring kettle top, and the outlet pipe of condensing unit bottom passes through water-supply-pipe and steaming
Heat pump device connects, and steam pump installation includes steam generation storehouse and the air pump connected with steam generation storehouse, the gas outlet of air pump
It is connected to by conduit on stirring kettle, the annular appendix positioned at bottom is provided with stirred tank body, annular appendix is provided with
At least two transfer port, annular appendix are connected with conduit, and flow-stop valve is equipped with the air inlet pipe and conduit.
The operation principle of this high pressure delignification equipment is：Air inlet pipe and supravasal flow-stop valve are first shut off, by steam
Generation storehouse produces high-temperature steam, and bamboo pulp stoste is then put into stirred tank body, opens supravasal flow-stop valve, with air pump by height
Warm steam is transported to stirring autoclave body bottom, the process that high-temperature steam rises in bamboo pulp stoste by conduit and annular appendix
In just bamboo pulp stoste is heated, and improve the air pressure inside stirred tank body, improving air pressure and rise temperature can make
Lignin in bamboo pulp accelerates degraded, and therefore cellulose can't be destroyed；It is uniformly provided with annular appendix more
Individual transfer port, compared to the single tube appendix of routine, the contact area of steam and bamboo pulp stoste is added, has heating more equal
It is even, the advantages of heating surface (area) (HS is bigger, and the efficiency of heating surface is higher, after adding enough high-temperature steams, supravasal flow-stop valve is closed, to bamboo
Slurry stoste is stirred, and after the completion of stirring or when needing to continue heating, can open supravasal flow-stop valve, stirred tank
Internal vapor will be entered in condensing unit along conduit, and steam pump is exited into from outlet pipe after vapor is condensed
Device, recycling for water and steam is realized, is then repeated the above steps, carry out the generation and conveying of steam again.
Further, the bottom of the transfer port on the annular appendix towards stirring kettle is set.Transfer port direction is stirred
Autoclave body bottom setting is mixed, the residual of bamboo pulp stoste when discharging bamboo pulp stoste, can not be had in annular appendix, if gas transmission
Hole is set towards top, then has bamboo pulp stoste and remain in annular appendix.
Further, the condensing unit includes shell, the condensation core being arranged in shell, and the both ends of the condensation core are prolonged
Stretching out shell and be connected respectively with air inlet pipe and water-supply-pipe, shell is provided with the inlet and liquid outlet for being used for discharging condensate liquid,
Condensate liquid agitating paddle is additionally provided with the shell, housing exterior is provided with the switch that control condensate liquid agitating paddle rotates.Steam passes through
When condensing core, condensate liquid is put into shell in advance, and inlet and liquid outlet are closed, condensate liquid will be to condensing core
Interior steam is condensed, but in condensation process, condensate liquid can not flow so that close to the condensation liquid temperature of condensation core segment
Degree is higher, carries out the less efficient of heat exchange with the condensate liquid away from condensation core, after being additionally arranged condensate liquid agitating paddle, opening is opened
Close, condensate liquid agitating paddle rotate drive condensate liquid flowing so that heat exchange it is more efficient, condensation effect is more preferable.
Further, the connection end in the conduit and steam generation storehouse is in J-type, and J-type connection end is arranged on steam hair
In raw storehouse.Conduit is stretched into steam generation storehouse, and main function is that the water generated after steam is condensed is transported in steam generation storehouse,
But to prevent the steam in steam generation storehouse from flowing backwards, by the catheter design extending into steam generation storehouse into J-type, condensed water is set to exist
The end of J-type conduit all the time some retain, serve prevent steam flow backwards situation.
Further, the bottom in the steam generation storehouse is provided with heater, and heater includes being arranged on steam generation
Power-supply controller of electric outside storehouse and the adding thermal resistance being arranged on inside steam generation storehouse, the adding thermal resistance are in the form of annular discs.Steam
The steam that vapour occurs in storehouse is produced using electrically heated mode, startup power supply controller, and adding thermal resistance just begins to warm up steam hair
Water in raw storehouse, and then produce steam, adding thermal resistance are designed to discoid, can be tubular construction or web frame, but circle
The contact area of disk-like structure and water is bigger, and the heating effect than electrically heated rod or electric boiling plate is more preferable, and heating is evenly.
Further, the bottom in the steam generation storehouse is in the downward taper of conehead, at the tup in taper steam generation storehouse
Provided with draining valve.Taper can be convenient for changing the steam water in steam generation storehouse.
Further, the stirring kettle includes kettle body, the kettle cover being arranged at the top of kettle body and is arranged on kettle cover
Agitating device, the agitating device include being arranged on the kettle liquid agitating paddle of kettle cover bottom and are arranged on kettle upper part of the cover driving dress
Put, the kettle liquid agitating paddle is the closing ring body placed vertically, and crossbeam, the axis of kettle liquid agitating paddle are provided with kettle liquid agitating paddle ring
Line is provided with rotary shaft, and kettle liquid agitating paddle is connected by rotary shaft with drive device.Due in whipping process, being flowed if used
The propeller of line style, then the cellulose in bamboo pulp stoste may be destroyed, then can be with using the kettle liquid agitating paddle of closed ring
Cellulose is avoided damage to, the crossbeam set up in its ring then increases the contact area of kettle liquid agitating paddle and bamboo pulp stoste, stirring effect
Fruit is more preferable, more efficient.
Further, the kettle cover is provided with the annular observation window concentric with kettle cover, and the material of annular observation window is tempering
Glass.The stirring state of bamboo pulp stoste in stirred tank body can be clearly seen above kettle cover by annular observation window, and
The observation window set compared to existing one side, viewing angle is bigger, and that sees is more comprehensive.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1. stirring kettle, condensing unit and steam pump installation of the present utility model realize the circulation profit of water and steam
With, have heating supercharging function so that lignin degradation it is more efficient；
2. be uniformly provided with multiple transfer ports on annular appendix of the present utility model, compared to the single tube appendix of routine,
The contact area of steam and bamboo pulp stoste is added, there is heating evenly, heating surface (area) (HS is bigger, higher excellent of the efficiency of heating surface
Point；
3. after the utility model is additionally arranged condensate liquid agitating paddle, opening switch, condensate liquid agitating paddle, which rotates, drives condensate liquid
Flowing so that condensate heat exchange it is more efficient, condensation effect is more preferable；
4. the catheter design extending into steam generation storehouse into J-type, is made condensed water at the end of J-type conduit by the utility model
Portion all the time some retain, serve prevent steam flow backwards situation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the bottom surface structure schematic diagram of the utility model annular appendix；
Fig. 3 is the structural representation of the utility model condensing unit；
Fig. 4 is the structural representation of the utility model steam pump installation.
Wherein：1-stirring kettle, 2-condensing unit, 3-steam pump installation, 4-pipeline, 5-annular observation window, 6-
Water-supply-pipe, 7-steam generation storehouse, 8-air pump, 9-flow-stop valve, 10-conduit, 11-annular appendix, 12-transfer port,
13-air inlet pipe, 14-kettle body, 15-kettle cover, 16-kettle liquid agitating paddle, 17-drive device, 21-shell, 22-condensation core,
211-inlet, 212-liquid outlet, 213-condensate liquid agitating paddle, 214-switch, 71-draining valve, 72-power supply
Device, 73-adding thermal resistance, 161-crossbeam, 162-rotary shaft.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1：
As Figure 1-4, a kind of high pressure delignification equipment for preparing bamboo pulp, including stirring kettle 1, condensing unit 2 with
And steam pump installation 3, the air inlet pipe 13 on condensing unit 2 are connected by pipeline 4 with stirring kettle 1 top, the bottom of condensing unit 2
Outlet pipe be connected by water-supply-pipe 6 with steam pump installation 3, steam pump installation 3 includes steam generation storehouse 7 and and steam generation
The air pump 8 that storehouse 7 connects, the gas outlet of air pump 8 are connected on stirring kettle 1 by conduit 10, are provided with stirring kettle 1 and are located at bottom
The annular appendix 11 in portion, annular appendix 11 are provided with least two transfer port 12, and annular appendix 11 connects with conduit 10,
Flow-stop valve 9 is equipped with the air inlet pipe 13 and conduit 10.
The operation principle of this high pressure delignification equipment is：The flow-stop valve 9 being first shut off in air inlet pipe 13 and conduit 10, by
Steam generation storehouse 7 produces high-temperature steam, is then put into bamboo pulp stoste into stirring kettle 1, opens the flow-stop valve 9 on conduit 10,
High-temperature steam is transported to stirring kettle 1 bottom by conduit 10 and annular appendix 11 with air pump 8, high-temperature steam is in bamboo pulp
Just bamboo pulp stoste is heated during rising in stoste, and improves the air pressure inside stirring kettle 1, improves air pressure
The lignin in bamboo pulp can be made to accelerate degraded with rise temperature, and therefore cellulose can't be destroyed；Annular is defeated
Multiple transfer ports 12 are uniformly provided with tracheae 11, compared to the single tube appendix of routine, add connecing for steam and bamboo pulp stoste
The advantages of contacting surface is accumulated, and has heating evenly, and heating surface (area) (HS is bigger, and the efficiency of heating surface is higher, after adding enough high-temperature steams, close
Flow-stop valve 9 on conduit 10, is stirred to bamboo pulp stoste, after the completion of stirring or when needing to continue heating, can beat
Convince the flow-stop valve 9 on pipe 10 by patient analysis, the vapor stirred in kettle 1 will be entered in condensing unit 2 along conduit 10, vapor
Steam pump installation 3 is exited into from outlet pipe 5 after condensed, recycling for water and steam is realized, then repeats above-mentioned step
Suddenly, the generation and conveying of steam are carried out again.
Embodiment 2：
The present embodiment is on the basis of above-described embodiment, is further limited, the gas transmission on the annular appendix 11
Hole 12 is set towards the bottom of stirring kettle 1.Transfer port 12 is set towards stirring kettle 1 bottom, can be in discharge bamboo pulp stoste
When, do not have the residual of bamboo pulp stoste in annular appendix 11, if transfer port 12 is set towards top, have bamboo pulp stoste
Remain in annular appendix 11.
The present embodiment other parts are same as the previously described embodiments, repeat no more here.
Embodiment 3：
The present embodiment is on the basis of above-described embodiment, is further limited, and condensing unit 2 includes shell 21, set
Condensation core 22 in shell 21, the both ends of condensation core 22 are extended shell 21 and are connected respectively with air inlet pipe 13 and water-supply-pipe 6,
Shell 21 is provided with the inlet 211 and liquid outlet 212 for being used for discharging condensate liquid, and condensate liquid stirring is additionally provided with the shell 21
Oar 213, the outside of shell 21 are provided with the switch 214 that control condensate liquid agitating paddle 213 rotates.When steam is by condensing core 22,
Condensate liquid is put into shell 21 in advance, and inlet 211 and liquid outlet 212 are closed, condensate liquid will be in condensation core 22
Steam condensed, but in condensation process, condensate liquid can not flow so that the condensation liquid temperature close to condensation core 22 part
Degree is higher, carries out the less efficient of heat exchange with the condensate liquid away from condensation core 22, after being additionally arranged condensate liquid agitating paddle 213, beats
Switch 214, condensate liquid agitating paddle 213 rotate drive condensate liquid flowing so that heat exchange it is more efficient, condensation effect is more
It is good.
The present embodiment other parts are same as the previously described embodiments, repeat no more here.
Embodiment 4：
The present embodiment is on the basis of above-described embodiment, is further limited, conduit 10 and the connection in steam generation storehouse 7
End is in J-type, and J-type connection end is arranged in steam generation storehouse 7.Conduit 10 is stretched into steam generation storehouse 7, and main function is will
The water generated after steam condensation is transported in steam generation storehouse 7, but to prevent the steam in steam generation storehouse 7 from flowing backwards, will be stretched into
To the catheter design in steam generation storehouse 7 into J-type, make condensed water the end of J-type conduit all the time some retain, serve
The situation for preventing steam from flowing backwards.
The present embodiment other parts are same as the previously described embodiments, repeat no more here.
Embodiment 5：
The present embodiment is on the basis of above-described embodiment, is further limited, and the bottom in steam generation storehouse 7 is provided with heating
Device, heater include being arranged on the power-supply controller of electric 72 outside steam generation storehouse 7 and being arranged on inside steam generation storehouse 7
Adding thermal resistance 73, the adding thermal resistance 73 is in the form of annular discs.Steam in steam generation storehouse 7 is produced using electrically heated mode,
Startup power supply controller 72, adding thermal resistance 73 just begins to warm up the water in steam generation storehouse, and then produces steam, adding thermal resistance 73
It is designed to discoid, can is tubular construction or web frame, but the contact area of disc-shaped structure and water is bigger, than
The heating effect of electrically heated rod or electric boiling plate is more preferable, and heating is evenly.
The present embodiment other parts are same as the previously described embodiments, repeat no more here.
Embodiment 6：
The present embodiment is on the basis of above-described embodiment, is further limited, the bottom in steam generation storehouse 7 in conehead to
Under taper, be provided with draining valve 71 at the tup in taper steam generation storehouse 7.Taper can be convenient for changing in steam generation storehouse 7
Steam water.
The present embodiment other parts are same as the previously described embodiments, repeat no more here.
Embodiment 7：
The present embodiment is on the basis of above-described embodiment, is further limited, and stirring kettle 1 includes kettle body 14, set
Kettle cover 15 and the agitating device that is arranged on kettle cover 15 at the top of kettle body 14, the agitating device include being arranged on kettle cover 15
The kettle liquid agitating paddle 16 of bottom and the drive device 17 for being arranged on the top of kettle cover 15, the kettle liquid agitating paddle 16 are placed to be vertical
Closing ring body, is provided with crossbeam 161 in the ring of kettle liquid agitating paddle 16, the axis of kettle liquid agitating paddle 16 is provided with rotary shaft 162, kettle
Liquid agitating paddle 16 is connected by rotary shaft 162 with drive device 17.Due in whipping process, if using fairshaped spiral
Oar, then the cellulose in bamboo pulp stoste may be destroyed, can then be avoided damage to using the kettle liquid agitating paddle 16 of closed ring
Cellulose, the crossbeam 161 set up in its ring then increase the contact area of kettle liquid agitating paddle 16 and bamboo pulp stoste, and mixing effect is more
It is good, it is more efficient.
The present embodiment other parts are same as the previously described embodiments, repeat no more here.
Embodiment 8：
The present embodiment is on the basis of above-described embodiment, is further limited, and kettle cover 15 is provided with concentric with kettle cover 15
Annular observation window 5, the material of annular observation window 5 is safety glass.By annular observation window 5 can above kettle cover 15 it is clear
See the stirring state of bamboo pulp stoste in stirring kettle 1, and the observation window set compared to existing one side, viewing angle in ground
Bigger, that sees is more comprehensive.
The present embodiment other parts are same as the previously described embodiments, repeat no more here.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (8)
- A kind of 1. high pressure delignification equipment for preparing bamboo pulp, it is characterised in that including stirring kettle (1), condensing unit (2) with And steam pump installation (3), the air inlet pipe (13) on condensing unit (2) is connected by pipeline (4) with stirring kettle (1) top, cold The outlet pipe of solidifying device (2) bottom is connected by water-supply-pipe (6) with steam pump installation (3)；Steam pump installation (3) is sent out including steam Raw storehouse (7) and the air pump (8) connected with steam generation storehouse (7), the gas outlet of air pump (8) is connected to stirring by conduit (10) The annular appendix (11) positioned at bottom is provided with kettle (1), in stirring kettle (1), annular appendix (11) is provided with least 2 Individual transfer port (12), annular appendix (11) connect with conduit (10), are equipped with only on the air inlet pipe (13) and conduit (10) Flow valve (9).
- 2. a kind of high pressure delignification equipment for preparing bamboo pulp according to claim 1, it is characterised in that the annular is defeated Transfer port (12) on tracheae (11) is set towards the bottom of stirring kettle (1).
- 3. a kind of high pressure delignification equipment for preparing bamboo pulp according to claim 1 or 2, it is characterised in that described cold Solidifying device (2) includes shell (21), the condensation core (22) being arranged in shell (21), and the both ends of the condensation core (22) are extended Shell (21) is simultaneously connected with air inlet pipe (13) and water-supply-pipe (6) respectively, and shell (21) is provided with the feed liquor for being used for discharging condensate liquid Mouth (211) and liquid outlet (212), the shell (21) is interior to be additionally provided with condensate liquid agitating paddle (213), and control is provided with outside shell (21) Freeze the switch (214) that lime set agitating paddle (213) rotates.
- 4. a kind of high pressure delignification equipment for preparing bamboo pulp according to claim 1 or 2, it is characterised in that described to lead The connection end in pipe (10) and steam generation storehouse (7) is in J-type, and J-type connection end is arranged in steam generation storehouse (7).
- A kind of 5. high pressure delignification equipment for preparing bamboo pulp according to claim 1 or 2, it is characterised in that the steaming The bottom that storehouse (7) occur for vapour is in the downward taper of conehead, and draining valve (71) is provided with the tup in taper steam generation storehouse (7).
- 6. a kind of high pressure delignification equipment for preparing bamboo pulp according to claim 1 or 2, it is characterised in that described to stir Mixing kettle (1) includes kettle body (14), the kettle cover (15) being arranged at the top of kettle body (14) and the stirring being arranged on kettle cover (15) Device, the agitating device include being arranged on the kettle liquid agitating paddle (16) of kettle cover (15) bottom and are arranged on kettle cover (15) top Drive device (17), the kettle liquid agitating paddle (16) is the closing ring body placed vertically, is provided with kettle liquid agitating paddle (16) ring Crossbeam (161), the axis of kettle liquid agitating paddle (16) are provided with rotary shaft (162), and kettle liquid agitating paddle (16) passes through rotary shaft (162) it is connected with drive device (17).
- A kind of 7. high pressure delignification equipment for preparing bamboo pulp according to claim 6, it is characterised in that the kettle cover (15) the annular observation window (5) concentric with kettle cover (15) is provided with, the material of annular observation window (5) is safety glass.
- A kind of 8. high pressure delignification equipment for preparing bamboo pulp according to claim 7, it is characterised in that the steam hair The bottom of raw storehouse (7) is provided with heater, and heater includes being arranged on the outside power-supply controller of electric (72) in steam generation storehouse (7) And the internal adding thermal resistance (73) in steam generation storehouse (7) is arranged on, the adding thermal resistance (73) is in the form of annular discs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720546524.XU CN207031907U (en) | 2017-05-17 | 2017-05-17 | A kind of high pressure delignification equipment for preparing bamboo pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720546524.XU CN207031907U (en) | 2017-05-17 | 2017-05-17 | A kind of high pressure delignification equipment for preparing bamboo pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207031907U true CN207031907U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720546524.XU Active CN207031907U (en) | 2017-05-17 | 2017-05-17 | A kind of high pressure delignification equipment for preparing bamboo pulp |
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| CN (1) | CN207031907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992460A (en) * | 2023-01-18 | 2023-04-21 | 中国林业科学研究院林产化学工业研究所 | Closed condensation circulation bleaching reactor and efficient bleaching method |
-
2017
- 2017-05-17 CN CN201720546524.XU patent/CN207031907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992460A (en) * | 2023-01-18 | 2023-04-21 | 中国林业科学研究院林产化学工业研究所 | Closed condensation circulation bleaching reactor and efficient bleaching method |
| CN115992460B (en) * | 2023-01-18 | 2024-01-30 | 中国林业科学研究院林产化学工业研究所 | Closed condensation circulation bleaching reactor and efficient bleaching method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.2, group 9, Yongping village, Xiaogu Town, Qianwei County, Leshan City, Sichuan Province Patentee after: Sichuan Fengsheng Paper Technology Co., Ltd Address before: 614400, Yongping County, Leshan, Qianwei, Sichuan Province nine Patentee before: SICHUAN QIANWEI FENGSHENG PAPER LLC |
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| CP03 | Change of name, title or address |