CN208038060U - Dense effect in solid caustic soda production equipment concentrates mechanism - Google Patents
Dense effect in solid caustic soda production equipment concentrates mechanism Download PDFInfo
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- CN208038060U CN208038060U CN201820316076.9U CN201820316076U CN208038060U CN 208038060 U CN208038060 U CN 208038060U CN 201820316076 U CN201820316076 U CN 201820316076U CN 208038060 U CN208038060 U CN 208038060U
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- fused salt
- pipe
- dense effect
- lye
- heat tracing
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Abstract
The utility model discloses the dense effects in a kind of solid caustic soda production equipment to concentrate mechanism, including：Evaporator, flash tank, distribution tank, the first lye delivery pipe of dense effect is provided between evaporator and flash tank, the second lye delivery pipe of dense effect is provided between flash tank and distribution tank, the bottom of distribution tank is provided with distribution tank discharge pipe, high-temperature molten salt is pumped to by pump for liquid salts in molten salt pipeline system, and molten salt pipeline system includes：Fused salt input pipe, fused salt heat tracing pipe, fused salt heating jacket, fused salt in each fused salt heat tracing pipe and fused salt heating jacket is supplied by fused salt input pipe, fused salt in each fused salt heat tracing pipeline and fused salt heating jacket is flowed from bottom to top-direction, the evaporation being also connected on fused salt input pipe is connected to the heat medium import of evaporator with fused salt delivery pipe, all fused salts are imported into fused salt efferent duct, and fused salt efferent duct is connected with fused salt storage tank.The utility model can effectively avoid the failure of lye frozen plug pipeline from occurring.
Description
Technical field
The utility model is related to solid caustic soda production equipment technical fields, and in particular to dense effect concentrates mechanism.
Background technology
Solid caustic soda production equipment generally includes：Triple effect concentrates mechanism, two effect concentration mechanisms, dense effect and concentrates mechanism.Solid caustic soda production
In the process, production obtains consolidating for high concentration after lye passes sequentially through triple effect concentration mechanism, two effect concentration mechanisms, dense effect concentration mechanism
Alkali.Wherein dense effect concentrates mechanism：The bottom of evaporator, flash tank, distribution tank, evaporator is provided with discharging tube, point
Overflow pipe is provided in distribution tank, discharging tube and overflow pipe are connected to lye dilution trap, and fused salt prepares the high-temperature molten salt of stove generation
It is pumped to by pump for liquid salts in the molten salt pipeline system of dense effect concentration mechanism, molten salt pipeline system includes being arranged outside lye delivery pipe
Fused salt heat tracing pipe, all fused salts are back in fused salt storage tank.Dense effect concentration mechanism has the following defects at present：One, by melting
The fused salt of salt pump pumping is all to flow from top to bottom in molten salt pipeline system, this makes fused salt be distributed not in each fused salt pipeline
, while the fused salt in the pipeline that is especially vertically arranged of section of tubing will produce and not connect with the tube wall of the pipeline of conveying lye
Tactile " blind area ", " blind area " can cause lye uneven heating and solidify, and so as to cause the Frequent Accidents of line clogging, this just gives
Solid caustic soda production brings great inconvenience, greatly increases maintenance capacity, and increases the loss of material and energy, to increase solid caustic soda life
Produce cost.Two, since the position of lye dilution trap is minimum, this so that fused salt heat tracing can not be used outside discharging tube and overflow pipe, and
Electric tracing can only be used, however the outer electric heat tracing device of alkali lye pipeline repairs cumbersome once damaging.
Utility model content
The utility model technical issues that need to address are：A kind of event that can effectively avoid lye frozen plug pipeline is provided
The dense effect hindered in the solid caustic soda production equipment occurred concentrates mechanism.
To solve the above problems, the technical solution adopted in the utility model is：Dense effect thickener in solid caustic soda production equipment
Structure, including：Evaporator, flash tank, distribution tank are provided with dense effect first between the discharge port of evaporator and the feed inlet of flash tank
Lye delivery pipe is provided with the second lye delivery pipe of dense effect, distribution tank between the discharge port of flash tank and the feed inlet of distribution tank
Tank body on be provided with distribution tank discharge pipe, the high-temperature molten salt that fused salt prepares stove generation is pumped to dense effect concentration mechanism by pump for liquid salts
In molten salt pipeline system in, molten salt pipeline system includes：The fused salt input pipe that is connected with pump for liquid salts is separately positioned on dense effect
First lye delivery pipe, the second lye delivery pipe of dense effect, the fused salt heat tracing pipe outside distribution tank discharge pipe, and it is separately positioned on sudden strain of a muscle
Fused salt heating jacket outside the shell of steaming pot and distribution tank, the fused salt in each fused salt heat tracing pipe and fused salt heating jacket is by fused salt
Input pipe supplies, and the fused salt in each fused salt heat tracing pipeline and fused salt heating jacket is added from corresponding fused salt heat tracing pipe or fused salt
The bottom of thermal jacket is flowed to top-direction, is also associated with evaporation fused salt delivery pipe on fused salt input pipe, evaporation fused salt is defeated
The heat medium import for sending pipe to be connected to evaporator, the Crude product input of evaporator, the outlet of each fused salt heat tracing pipe and each
Fused salt in fused salt heating jacket is imported into fused salt efferent duct, and fused salt efferent duct is connected with fused salt storage tank.
Further, the dense effect in solid caustic soda production equipment above-mentioned concentrates mechanism, wherein in the first lye delivery pipe of dense effect
It is also communicated with the discharging tube with valve, discharging tube is connected to the second lye delivery pipe of dense effect, fused salt heat tracing is also equipped with outside discharging tube
It manages, the fused salt in fused salt heat tracing pipe outside discharging tube is also to be flowed from the bottom of the fused salt heat tracing pipe to top-direction.
Further, the dense effect in solid caustic soda production equipment above-mentioned concentrates mechanism, wherein fused salt input pipe and fused salt output
Fused salt material returning valve is communicated between pipe, when dense effect concentration mechanism hinders parking for some reason, fused salt material returning valve is opened, and evaporation fused salt is defeated
Send the fused salt in pipe, each fused salt heat tracing pipeline and fused salt heating jacket that can fall in remittance to fused salt input pipe and then logical
Fused salt material returning valve is crossed to flow in fused salt storage tank from fused salt efferent duct.
Further, the dense effect in solid caustic soda production equipment above-mentioned concentrates mechanism, wherein distribution tank discharge pipe and rotary drum
Hopper in flaker is connected.
Further, the dense effect in solid caustic soda production equipment above-mentioned concentrates mechanism, wherein the both sides of hopper are respectively set
There is lifting lug, drive chain is respectively connected on each lifting lug, each drive chain engages on the drive wheel, and each driving wheel passes through peace
It fills axis to be mounted on the shell of rotary drum flaker, the shell of rotary drum flaker is stretched out in the free end of every drive chain, together
When pull downward on the free end of both sides drive chain and hopper can be driven to move upwards, this can be such that the liquid level of lye in hopper remains
In the height of operating fluid level, to enable the lye in hopper to be constantly attracted on the rotary drum of rotary drum flaker and sheeting row
Go out.
Further, the dense effect in solid caustic soda production equipment above-mentioned concentrates mechanism, wherein the evaporator steams for falling liquid film
Send out device.
Further, the dense effect in solid caustic soda production equipment above-mentioned concentrates mechanism, wherein overflow pipe is not set in distribution tank.
The utility model has the advantages that：One, the fused salt in fused salt heat tracing pipe is all in being flowed from bottom to top-direction
Trend, the tube wall that the fused salt of the high temperature heat-carrying in fused salt heat tracing pipe each in this way can all be fitted in the pipeline of conveying lye always are upper
It is dynamic, that is, it is fitted on the tube wall of the first lye delivery pipe of dense effect, the second lye delivery pipe of dense effect and distribution tank discharge pipe and flows,
This, which allows for fused salt, to be come into full contact with the tube wall of each lye conveyance conduit, this can effectively be avoided fused salt from not being in contact with tube wall
" blind area " occurs, so as to effectively avoid the failure of lye frozen plug pipeline from occurring.Two, the discharging tube of evaporator is arranged dense
Between imitating the second lye delivery pipe of the first lye delivery pipe and dense effect, this makes the installation site of discharging tube relatively high, puts net
Pipe is outer to use fused salt heat tracing pipe to carry out heat tracing, this greatly facilitates the ordinary maintenance of pipeline.
Description of the drawings
Fig. 1 is the operation principle schematic diagram of the dense effect concentration mechanism in solid caustic soda production equipment described in the utility model.
Fig. 2 is the structural schematic diagram of flaker in Fig. 1.
Specific implementation mode
The utility model is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, the dense effect in solid caustic soda production equipment concentrates mechanism, including：Evaporator, flash tank 2, distribution tank 3.This
Evaporator is falling film evaporator 1 in embodiment.Overflow pipe is not set in distribution tank 3, in order to eliminate installation in the present embodiment
The lower pipeline in position, so as to avoid electrically heat tracing use as possible.The charging of the discharge port and flash tank 2 of falling film evaporator 1
It is provided with the first lye delivery pipe 101 of dense effect between mouthful, is provided between the discharge port and the feed inlet of distribution tank 3 of flash tank 2
The second lye delivery pipe 201 of dense effect is provided with distribution tank discharge pipe 31 on the tank body of distribution tank 3.Fused salt prepares the height of stove generation
Temperature molten salt is pumped to by pump for liquid salts 4 in the molten salt pipeline system in dense effect concentration mechanism.The molten salt pipeline system includes：With
Fused salt input pipe 41 that pump for liquid salts 4 is connected is separately positioned on the first lye delivery pipe 101 of dense effect, the conveying of the second lye of dense effect
Fused salt heat tracing pipe outside pipe 201, distribution tank discharge pipe 31, and be separately positioned on molten outside flash tank 2 and the shell of distribution tank 3
The arrangement of salt heating jacket, fused salt heat tracing pipe may refer in Fig. 1 shown in dotted line, in each fused salt heat tracing pipe and fused salt heating jacket
Fused salt supplied by fused salt input pipe 41, the fused salt in each fused salt heat tracing pipe or each fused salt heating jacket is from corresponding fused salt
The bottom of heat tracing pipe or fused salt heating jacket is flowed to top-direction, and be also associated with evaporation on fused salt input pipe 41 is conveyed with fused salt
Pipe 42, evaporation fused salt delivery pipe 42 are connected to the heat medium import 11 of falling film evaporator 1, and the heating of falling film evaporator 1 is situated between
Matter outlet 12, the outlet of each fused salt heat tracing pipe and the fused salt in each fused salt heating jacket are imported into fused salt efferent duct 51,
Fused salt efferent duct 51 is connected with fused salt storage tank 5.
In the present embodiment, the discharging tube 102 with valve is also communicated in the first lye delivery pipe 101 of dense effect, discharging tube 102 connects
The second lye delivery pipe 201 of dense effect is passed to, is also equipped with fused salt heat tracing pipe outside discharging tube 102, the fused salt heat tracing outside discharging tube 102
Fused salt in pipe is also to be flowed from the least significant end of the fused salt heat tracing pipe to highest extreme direction.
Fused salt material returning valve 6 is communicated between fused salt input pipe 41 and fused salt efferent duct 51, mechanism hinders for some reason when the concentration of dense effect
When parking, fused salt material returning valve 6 is opened, and evaporation is in fused salt delivery pipe 42, each fused salt heat tracing pipeline and fused salt heating jacket
The fused salt moved upwards can fall remittance in fused salt input pipe 41 and then by fused salt material returning valve 6 from fused salt efferent duct 51
It flow in fused salt storage tank 5.
In the present embodiment as shown in Figure 2, distribution tank discharge pipe 31 is connected with the hopper 71 in rotary drum flaker 7.Material
The both sides of bucket 71 are respectively arranged with lifting lug 72, drive chain 73 are respectively connected on each lifting lug 72, each drive chain 73 is engaged on
On driving wheel 74, each driving wheel 74 is mounted on the shell of rotary drum flaker 7 by installation axle, every drive chain 73
The shell of rotary drum flaker 7 is stretched out in free end, while the free end for pulling downward on both sides drive chain 73 can drive hopper 71
It moves upwards, this can make the liquid level of lye in hopper 71 remain at the height of operating fluid level, to make the alkali in hopper 71
Liquid energy be constantly attracted on the rotary drum 75 of rotary drum flaker 7 and sheeting and be discharged, the piece alkali being discharged in flaker 7 to pack
It is packed in machine 8.
Dense effect concentration mechanism in above-mentioned solid caustic soda production equipment has the following advantages：One, pump for liquid salts 4 is pumped into fused salt
Fused salt in pipeline system is flowed in from bottom to top-direction in the fused salt heat tracing pipe outside every lye delivery pipe
Trend, the fused salt of such high temperature heat-carrying, which can be all fitted in always on the outer tube wall of the pipeline of conveying lye, to be flowed, that is, is fitted in
It is flowed on the outer tube wall of the first lye delivery pipe 101 of dense effect, the second lye delivery pipe 201 of dense effect and distribution tank discharge pipe 31,
This, which allows for fused salt, to be come into full contact with the outer tube wall of each lye conveyance conduit, so as to effectively fused salt be avoided not connect with tube wall
Tactile " blind area " occurs, and the failure of lye frozen plug pipeline is effectively avoided to occur.Two, in the first lye delivery pipe 101 of dense effect
Once upper discharging tube 102 of the setting with valve, discharging tube 102 are connected to the second lye delivery pipe 201 of dense effect, in this way because of disorderly closedown
And when need to drain the lye in falling film evaporator 1, the valve on discharging tube 102 is opened, the lye in falling film evaporator 1 will be from
Discharge port enters through the first lye delivery pipe 101, discharging tube 102 in distribution tank 3 successively.The setting of discharging tube 102 is in dense effect first
Between the second lye delivery pipe 201 of lye delivery pipe 101 and dense effect, have an advantage that i.e.：The position of 102 output end of discharging tube
More traditional greatly improves compared with the position of lye dilution trap connection, therefore can use fused salt heat tracing outside discharging tube 102
Pipe carries out heat tracing, this greatly facilitates the ordinary maintenance of pipeline.Three, due on the hopper 71 in flaker 7 on each lifting lug 72
It is respectively connected with drive chain 73, after because of disorderly closedown, in the case of being discharged into there is no lye in hopper 71, is pulled downward on simultaneously
The free end of drive chain 73 makes hopper 71 move upwards, by increasing the height of hopper 71, so that it is guaranteed that the lye in hopper 71
The surface of rotary drum 75 can be constantly adsorbed on and carry out sheeting, until the lye sheeting in hopper 71 is complete.In this way in hopper 71
The lye of high concentration would not be wasted, and to which the lye of high concentration be greatly saved, the lye of high concentration effectively be avoided to waste,
Water for cleaning can also be greatly reduced simultaneously, to reduce the consumption of water.
Claims (7)
1. the dense effect in solid caustic soda production equipment concentrates mechanism, including：Evaporator, flash tank, distribution tank, the discharge port of evaporator with
The first lye delivery pipe of dense effect is provided between the feed inlet of flash tank, between the discharge port of flash tank and the feed inlet of distribution tank
It is provided with the second lye delivery pipe of dense effect, distribution tank discharge pipe is provided on the tank body of distribution tank, it is characterised in that：It is prepared by fused salt
The high-temperature molten salt that stove generates is pumped to by pump for liquid salts in the molten salt pipeline system in dense effect concentration mechanism, molten salt pipeline system packet
It includes：The fused salt input pipe that is connected with pump for liquid salts is separately positioned on the first lye delivery pipe of dense effect, the conveying of the second lye of dense effect
Fused salt heat tracing pipe outside pipe, distribution tank discharge pipe, and the fused salt being separately positioned on outside flash tank and the shell of distribution tank heat
Chuck, the fused salt in each fused salt heat tracing pipe and fused salt heating jacket are supplied by fused salt input pipe, each fused salt heat tracing pipeline and
Fused salt in fused salt heating jacket is to be flowed from the bottom of corresponding fused salt heat tracing pipe or fused salt heating jacket to top-direction, is melted
Be also associated with evaporation fused salt delivery pipe on salt input pipe, evaporation with fused salt delivery pipe be connected to the heat medium of evaporator into
Mouthful, the Crude product input of evaporator, the outlet of each fused salt heat tracing pipe and the fused salt in each fused salt heating jacket import to
In fused salt efferent duct, fused salt efferent duct is connected with fused salt storage tank.
2. the dense effect in solid caustic soda production equipment according to claim 1 concentrates mechanism, it is characterised in that：The first lye of dense effect
The discharging tube with valve is also communicated in delivery pipe, discharging tube is connected to the second lye delivery pipe of dense effect, is also equipped with outside discharging tube
Fused salt heat tracing pipe, the fused salt in fused salt heat tracing pipe outside discharging tube are also from the bottom of the fused salt heat tracing pipe to top-direction stream
It is dynamic.
3. the dense effect in solid caustic soda production equipment according to claim 1 or 2 concentrates mechanism, it is characterised in that：Fused salt inputs
It is communicated with fused salt material returning valve between pipe and fused salt efferent duct, when dense effect concentration mechanism hinders parking for some reason, fused salt material returning valve is opened,
It is defeated to fused salt that fused salt in evaporation fused salt delivery pipe, each fused salt heat tracing pipeline and fused salt heating jacket can fall remittance
Enter in pipe and then is flow in fused salt storage tank by fused salt material returning valve from fused salt efferent duct.
4. the dense effect in solid caustic soda production equipment according to claim 1 or 2 concentrates mechanism, it is characterised in that：Distribution tank is arranged
Outlet pipe is connected with the hopper in rotary drum flaker.
5. the dense effect in solid caustic soda production equipment according to claim 4 concentrates mechanism, it is characterised in that：The both sides of hopper point
It is not provided with lifting lug, drive chain is respectively connected on each lifting lug, each drive chain engages on the drive wheel, and each driving wheel is equal
It is mounted on by installation axle on the shell of rotary drum flaker, the shell of rotary drum flaker is stretched out in the free end of every drive chain
Body, while the free end for pulling downward on both sides drive chain can drive hopper to move upwards, this can make the liquid level of lye in hopper begin
Be maintained at the height of operating fluid level eventually, to enabling the lye in hopper to be constantly attracted on the rotary drum of rotary drum flaker and
Sheeting is discharged.
6. the dense effect in solid caustic soda production equipment according to claim 1 or 2 concentrates mechanism, it is characterised in that：The steaming
Hair device is falling film evaporator.
7. the dense effect in solid caustic soda production equipment according to claim 1 or 2 concentrates mechanism, it is characterised in that：In distribution tank
Do not set overflow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316076.9U CN208038060U (en) | 2018-03-08 | 2018-03-08 | Dense effect in solid caustic soda production equipment concentrates mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316076.9U CN208038060U (en) | 2018-03-08 | 2018-03-08 | Dense effect in solid caustic soda production equipment concentrates mechanism |
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| CN208038060U true CN208038060U (en) | 2018-11-02 |
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| CN201820316076.9U Expired - Fee Related CN208038060U (en) | 2018-03-08 | 2018-03-08 | Dense effect in solid caustic soda production equipment concentrates mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108314059A (en) * | 2018-03-08 | 2018-07-24 | 苏州天沃环境能源工程有限公司 | Dense effect in solid caustic soda production equipment concentrates mechanism |
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- 2018-03-08 CN CN201820316076.9U patent/CN208038060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108314059A (en) * | 2018-03-08 | 2018-07-24 | 苏州天沃环境能源工程有限公司 | Dense effect in solid caustic soda production equipment concentrates mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20200308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |