CN209123378U - A kind of dryer heat energy recycle device - Google Patents
A kind of dryer heat energy recycle device Download PDFInfo
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- CN209123378U CN209123378U CN201821439910.XU CN201821439910U CN209123378U CN 209123378 U CN209123378 U CN 209123378U CN 201821439910 U CN201821439910 U CN 201821439910U CN 209123378 U CN209123378 U CN 209123378U
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Abstract
The utility model discloses a kind of dryer heat energy recycle devices, belong to the energy conservation field of viscose staple fibre production.The heat energy loss problem of condensed water and vapor evolution is crossed for steam in dryer in the prior art, propose a kind of dryer heat energy recycle device, drying overheat condensed water enters flash tank by tangent line, produce centrifugal force, the density of liquid and steam is different to realize layering, water weight rises to decline, steam.Water is taken away by suction pump, and flash steam is upward, there is the connection of flash-off steam pipe between flash tank and vapour vapour injector, and the flash steam in flash tank is sucked vapour vapour injector by vapour vapour injector power, and flash steam is sprayed onto again after mixing chamber mixes to fine slot with initial steam.
Description
Technical field
The utility model belongs to the energy conservation field of viscose staple fibre production, and in particular to a kind of dryer thermal energy
Recycle device.
Background technique
In existing short fine production process, fiber is through spinning, boundling, stretching, cutting and thereafter processing item includes:
Washing, bleaching, pickling, is oiled, dries and is packaged desulfurization.In the process, the drying as one of post-processing main equipment
Machine, main function are then to reduce the moisture content of short rayon fiber, are to pass through fin heats device indirect heating air, heat with steam
Air recycles the moisture content taken away on fiber in drying chamber, then is discharged by dehumidification system, so that reaching reduces the aqueous mesh of fiber
's.
Fin heats device has the discharge of superheated steam condensed water, temperature about 110~120 during indirect heating air
DEG C, heat enthalpy value 504.09KJ/Kg contains higher thermal energy, these superheated steam condensed waters are collected into basin, a part with
Stream mode distributes, and a part condenses in a manner of hot water, and cold water is then added and is cooled to 40~50 DEG C, is used as cutting machine
Mao Shui is rushed, although a large amount of thermal energy that water by reuse, contains could not be recycled by production, causes certain energy loss.
Conche front end is to fine slot.Rushing hair water carries the allocated device of fiber even into groove body, and groove body bottom is laid with
There are 12 steam pipes, sprays steam heating water and fiber by certain angle, spray steam pressure controls 0.12~0.2Mpa, temperature in slot
At 70~75 DEG C, this mode has opening fiber, evenly laid out fiber, conveying fiber and the work for evaporating carbon disulfide for degree control
With the process flows such as being conducive to subsequent desulfurization, bleaching, wash, oil.To the vapour source pressure 0.5Mpa that fine slot uses, temperature
It is 160 degree, 12 ton/hours of dosage, steam consumption is more, and energy consumption is higher.
By above-mentioned production procedure it can be seen that baker steam crosses condensed water and vapor evolution heat energy loss is high, conche
It needs to fine slot using a large amount of steam.
State Intellectual Property Office discloses on November 09th, 2016 application No. is CN201620549050.X, entitled water
The utility model patent that conche saves water recovery device is washed, a kind of washing conche province water recovery device is disclosed, including
Heat exchanger, cooler and separating barrel, heat exchanger include casing and several heat conducting pipes, and the sealed partition of casing is divided into a left side
One end of chamber and right chamber, several heat conducting pipes is placed in left chamber, and the other end of several heat conducting pipes both passes through sealing partition
It is placed in right chamber, fresh air is connected to the inlet end of dryer through air inlet pipe, left chamber, and the outlet side of dryer is through right chamber
Room, exhaust pipe are connected to cooler, and the first outlet pipe of water outlet of cooler is connected to separating barrel, outside the outlet side of cooler
Atmosphere is connect, the second outlet pipe that the water outlet of separating barrel is set in its bottom is connected to conche.
Above-mentioned utility model structure recycles the waste heat of drying tail gas, and after gas-liquid separation, goes in water removal
Fiber, dust and particulate matter, final clean water enter conche and carry out recycling use.But it is above-mentioned only by water reuse
In production, steam is crossed condensed water and the thermal energy of vapor evolution and still be lost in dryer, and energy waste is huge, production environment
Difference.
Summary of the invention
In order to overcome above-mentioned problems of the prior art and defect, the utility model provides a kind of dryer thermal energy
Recycle device is used for the thermal energy that the steam in dryer crosses condensed water and vapor evolution to heat fiber to fine slot, so that
Reduce the dosage of 0.5 ton or so initial steam per hour to fine slot.Steam consumption has been saved, has saved production cost, more favorably
In environmental protection.
In order to realize that above-mentioned purpose of utility model, the technical solution of the utility model are as follows:
A kind of dryer heat energy recycle device, including drying overheat condensing water conduit, drying overheat condensing water conduit
One end connect dryer, the other end is vertically passed through flash tank.
Drying overheat condensing water conduit and flash tank connect at the high a quarter of flash tank tank.
The drying for being 110~120 DEG C equipped with temperature inside drying overheat condensing water conduit overheats condensed water, drying overheat
Condensed water is during drying machine drying.
Flash-off steam pipe is connected at the top of the utility model flash tank, flash-off steam pipe is vertically passed through vapour vapour injector.
The vapour vapour injector of the utility model includes steam jet, receiving chamber, mixing chamber and diffusion room.
The utility model further includes low pressure steam pipe, and low pressure steam pipe connects steam jet, steam jet and flash-off steam
Receiving chamber, mixing chamber and diffusion room are disposed with below pipe；Receiving chamber, mixing chamber and diffusion room are sequentially communicated, diffusion room
Connect steam ejection passage.
The bottom of flash tank is connected with water recovery tube, and the not complete condensed water of drying overheat condensed water flashing can be taken out by water pump
It takes, is back to production.
It is connected with sewage draining exit on water recovery tube, cleaning blowdown uses when for maintenance or daily maintenance.
The utility model has the beneficial effects that
One, the drying overheat condensed water that dryer generates is passed through to drying and overheats condensing water conduit by the utility model, dries
Dry overheat condensing water conduit is vertically passed through to flash tank.Water and flash steam layering in flash tank body, water to down toward water recovery tube, and
Water recovery tube connects water pump.Flash steam is upward, is entered in vapour vapour injector by flash steam pipeline, flash steam and initial steam one
It rises and sprays, sequentially enter diffusion room after mixing in mixing chamber again and to fine slot.The utility model carries out the thermal energy of baker
It recycles, reduces the dosage of 0.5 ton or so initial steam per hour, and the water in flash tank can also be back in production,
Steam consumption is saved, reduces the loss of water, has saved production cost, be more advantageous to environmental protection.
Two, the drying overheat condensing water conduit of the utility model and flash tank connect at the high a quarter of flash tank,
A quarter is the separation of water and flash steam, and flash steam can be upward, and water is downward.
Three, the flash-off steam pipe of the utility model is vertically passed through vapour vapour injector.Few gas pressure can be increased by being vertically passed through
Bring resistance is lost, is conducive to improve vapour vapour injector to the suction effect of flash-off steam, reduces the formation of condensed water.
Four, the receiving chamber of the utility model, mixing chamber and diffusion room are sequentially communicated, and form vapour vapour injection with steam jet
Device.Receiving chamber, mixing chamber and diffusion room are the control that steam pressure and flow velocity are realized by runner variable diameter, to take flash distillation away
Flash steam in tank forms the low-pressure state in flash tank.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Wherein, 1, drying overheat condensing water conduit, 2, flash tank, 3, flash-off steam pipe, 4, vapour vapour injector, 5, low pressure steaming
Steam pipe, 6, steam jet, 7, receiving chamber, 8, mixing chamber, 9, diffusion room, 10, steam ejection passage, 11, water recovery tube, 12, row
Dirty mouth.
Specific embodiment
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
Embodiment 1
The utility model proposes a kind of dryer heat energy recycle devices, including drying overheat condensing water conduit 1, dry
One end of dry overheat condensing water conduit 1 connects dryer, and the drying overheat condensed water that dryer generates, which is flow to, dried thermal coagulation
In waterpipe 1.The other end of drying overheat condensing water conduit 1 is vertically passed through flash tank 2；The top of flash tank 2 is connected with flash distillation
Steam pipe 3, flash-off steam pipe 3 connect vapour vapour injector 4.
Vapour vapour injector 4 described in the utility model includes steam jet 6, receiving chamber 7, mixing chamber 8 and diffusion room 9.It is described
Receiving chamber 7, mixing chamber 8 and diffusion room 9 are located in a cavity, and steam jet 6 is vertically provided at the top of cavity, steam jet
6 upper ends are located at containment portion part and are connected with low pressure steam pipe 5.
The lower section of steam jet 6 and flash-off steam pipe 3 is disposed with receiving chamber 7, mixing chamber 8 and diffusion room 9；Diffusion room
9 connection steam ejection passages 10, are connected to fine slot.
The utility model will flash and vapour vapour injector 4 combines.Flash distillation is exactly the saturated liquid of high pressure into relatively low
After in the container of pressure, due to the unexpected reduction of pressure, so that these saturated liquids is become the saturation under the container pressure of a part and steam
Vapour and saturated solution.The steam jet 6 of the utility model, receiving chamber 7, mixing chamber 8, diffusion room 9 form vapour vapour injector 4, vapour vapour
Injector 4 aspirates the drying in flash tank 2 and overheats condensed water, and the spray vapour speed of vapour vapour injector 4 is faster, and suction force is stronger, dodges
Negative pressure in steaming pot 2 is bigger.
Drying overheat condensed water tangentially enters in flash tank 2, according to fluid two phase flow and vortex separation theorem, in tank
Pressure reduction after dilatation, in the case where temperature-resistant, the pressure for reducing material reaches object to reduce the boiling point of material
The purpose for expecting evaporation, generates flash steam in flash tank 2.
Vapour vapour injector 4 connects low pressure steam pipe 5, when the initial steam in low pressure steam pipe 5 is sprayed through steam jet 6 due to
Steam flow generates suction, and the steam in flash-off steam pipe 3 is introduced low pressure steam pipe 5, vapour vapour injector 4 is entered back into, after mixing
It is sprayed onto through diffusion room 9 to fine slot, fiber is heated, original low-quality thermal energy is made to retrieve utilization.
Receiving chamber 7, mixing chamber 8 and diffusion room 9 are sequentially communicated.Receiving chamber 7, mixing chamber 8 and diffusion room 9 are become by runner
Diameter realizes the control of steam pressure and flow velocity.
Drying overheat condensing water conduit 1 is connect at the high a quarter of 2 tank of flash tank with flash tank 2.This connection
Position is because a part flash distillation is flash steam in flash process, and a part is condensed into water.A quarter is water and steam point
From liquid level line of demarcation.The junction can be lauched the boundary line separated with steam according to the different conditions of production and be adjusted, and protect
Card is vertically passed through.
Flash-off steam pipe 3 is vertically passed through vapour vapour injector 4.Few pressure loss bring resistance can be increased by being vertically passed through
Power is conducive to improve vapour vapour injector 4 to the suction effect of flash-off steam, reduces the formation of condensed water.
The bottom of flash tank 2 is connected with water recovery tube 11, and water recovery tube 11 connects water pump, and water pump can extract flash tank 2
The water of interior formation is back to production.
Sewage draining exit 12 is connected on water recovery tube 11, sewage draining exit 12 can clean blowdown when for maintenance or daily maintenance
It uses.
The working principle of the utility model are as follows: drying overheat condensed water, which enters flash tank 2(by tangent line, dried thermal coagulation
Water pipe vertically connects flash tank 2), just produce centrifugal force, due to the density of liquid and steam it is different it is achieved that layering,
Water weight rises to decline, steam.Water is taken away by suction pump, and flash steam is upward, has sudden strain of a muscle between flash tank 2 and vapour vapour injector 4
It steams steam pipe 3 to connect, 4 power of vapour vapour injector makes to suck the flash steam in flash tank 2 into vapour vapour injector 4, flash steam and new
Steam is sprayed onto steam after the mixing of mixing chamber 8 again and allots pipeline 10, is then sprayed onto fine slot.
Embodiment 2
A kind of dryer heat energy recycle device, including drying overheat condensing water conduit 1, drying overheat condensing water conduit
1 one end connects dryer, and other end tangent line is passed through flash tank 2；The top of flash tank 2 is connected with flash-off steam pipe 3, and flash distillation is steamed
Steam pipe 3 connects vapour vapour injector 4；The vapour vapour injector 4 includes steam jet 6, receiving chamber 7, mixing chamber 8 and diffusion room 9；Institute
It is vertically arranged to state steam jet 6,6 upper end of steam jet is connected with low pressure steam pipe 5；Steam jet 6 and flash-off steam pipe 3
The lower section of one vertical relationship of formation, steam jet 6 and flash-off steam pipe 3 is disposed with receiving chamber 7, mixing chamber 8 and expands
Pressure chamber 9；Diffusion room 9 connects steam ejection passage 10.
More than, it is only the preferred embodiment of the utility model, limitation in any form not is done to the utility model, it is all
It is any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within this reality
Within novel protection scope.
Claims (5)
1. a kind of dryer heat energy recycle device, it is characterised in that: overheat condensing water conduit (1) including drying, the baking
One end of dry overheat condensing water conduit (1) connects dryer, and other end tangent line is passed through flash tank (2)；The top of the flash tank (2)
Portion is connected with flash-off steam pipe (3), and the flash-off steam pipe (3) connects vapour vapour injector (4)；Vapour vapour injector (4) packet
Include steam jet (6), receiving chamber (7), mixing chamber (8) and diffusion room (9)；The steam jet (6) is vertically arranged, the steam
Nozzle (6) upper end is connected with low pressure steam pipe (5)；The lower section of the steam jet (6) and the flash-off steam pipe (3) is successively set
It is equipped with receiving chamber (7), mixing chamber (8) and diffusion room (9)；The diffusion room (9) connects steam ejection passage (10).
2. dryer heat energy recycle device as described in claim 1, it is characterised in that: the drying overheats condensate pipe
Road (1) is connect at the high a quarter of flash tank (2) tank with flash tank (2).
3. dryer heat energy recycle device as claimed in claim 1 or 2, it is characterised in that: the flash-off steam pipe (3)
Vertically it is passed through vapour vapour injector (4).
4. dryer heat energy recycle device as claimed in claim 1 or 2, it is characterised in that: the bottom of the flash tank (2)
Portion is connected with water recovery tube (11), is connected with sewage draining exit (12) on the water recovery tube (11).
5. dryer heat energy recycle device as claimed in claim 1 or 2, it is characterised in that: receiving chamber (7), mixing chamber
(8) it is sequentially communicated with diffusion room (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439910.XU CN209123378U (en) | 2018-09-04 | 2018-09-04 | A kind of dryer heat energy recycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439910.XU CN209123378U (en) | 2018-09-04 | 2018-09-04 | A kind of dryer heat energy recycle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209123378U true CN209123378U (en) | 2019-07-19 |
Family
ID=67228655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821439910.XU Active CN209123378U (en) | 2018-09-04 | 2018-09-04 | A kind of dryer heat energy recycle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209123378U (en) |
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2018
- 2018-09-04 CN CN201821439910.XU patent/CN209123378U/en active Active
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