CN206308284U - A kind of freezing is except the device of dichloroethanes reclaimed water - Google Patents
A kind of freezing is except the device of dichloroethanes reclaimed water Download PDFInfo
- Publication number
- CN206308284U CN206308284U CN201621480515.7U CN201621480515U CN206308284U CN 206308284 U CN206308284 U CN 206308284U CN 201621480515 U CN201621480515 U CN 201621480515U CN 206308284 U CN206308284 U CN 206308284U
- Authority
- CN
- China
- Prior art keywords
- spiral deflector
- dichloroethanes
- spiral
- housing
- freezing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of freezing except the device of dichloroethanes reclaimed water, including dichloroethanes storage tank, and accesses at least two groups cooling bodies of dichloroethanes storage tank side by side；Cooling body is connected with the layering reactor of tie point and the second branch road including bottom, and the charging aperture that tie point is led at the top of layering reactor is simultaneously provided with heat exchanger on the first leg, and the second branch road is connected with dichloroethanes storage tank；Described heat exchanger includes housing and tubulation, axially extending and the first spiral deflector and the second spiral deflector staggeredly is additionally provided with the housing, the pore of assembling tubulation is equipped with the first described spiral deflector and the second spiral deflector, and the pitch of the first spiral deflector and the second spiral deflector is equal；The outer edge of first spiral deflector touch the inwall of housing, and gap is left between the outer edge and inner walls of the second spiral deflector.The utility model shortens the cooling used time of dichloroethane solution, improve production efficiency.
Description
Technical field
The utility model is related to technical field of chemical, more particularly, to a kind of freezing except the dress of dichloroethanes reclaimed water
Put.
Background technology
Tubular heat exchanger is a kind of heat exchanger most widely used in current chemical industry and Alcohol Production.It it is main by housing,
Tube sheet, heat exchanger tube, end socket, hydraulic barrier etc. are constituted.Required material, can be respectively adopted ordinary carbon steel, red copper or stainless steel
Make.
Tubular heat exchanger includes housing, and housing both sides are provided with tube sheet and housing is located at tube sheet outside by end socket
Sealing, is provided with the tubulation with housing diameter parallel in housing, tubulation two ends are supported on tube sheet, and housing two ends are provided with tube side and enter
The outlet of mouth, shell-side outlet and tube side, shell side inlet.
In process of production, 20-30 degree under normal temperature, water solubility in dichloroethanes is 0.2% or so, when -5 spend,
Water solubility in dichloroethanes is 0.04%.Therefore, generally using freezing except the water in dichloroethanes, specific embodiment
For：Dichloroethane solution under normal temperature is cooled down by heat exchanger exchange cycles, temperature is down to below -5 degree, the standing for having cooled down
Layering, lower floor's organic phase is used, and the carrying out containing solid-state on upper strata recycles.
The tube side distance of existing tubular heat exchanger and shell side apart from equal, because the axial length of housing receives installing space
The limitation of size, unsuitable long, i.e. shell side distance is shorter, directly results in the tube side of tubular heat exchanger apart from short and heat transfer effect
Poor, dichloroethane solution needs heat-exchange time more long, influences production efficiency.
Utility model content
For problems of the prior art, the utility model provides a kind of freezing except the dress of dichloroethanes reclaimed water
Put, by setting double helix deflector in heat exchanger, increase the tube side length that dichloroethane solution flows in housing, increase
Heat exchanger time, lifts heat transfer effect, shortens the cooling used time of dichloroethane solution, improve production efficiency.
The concrete technical scheme that the utility model is used is as follows：
A kind of freezing is except the device of dichloroethanes reclaimed water, including dichloroethanes storage tank, and accesses the dichloro side by side
At least two groups cooling bodies of ethane storage tank；Described cooling body is connected with tie point and second including bottom
The layering reactor of branch road, tie point lead to layering reactor at the top of charging aperture and be provided with heat exchange on the first leg
Device, the second branch road is connected with dichloroethanes storage tank；
Described heat exchanger includes housing and tubulation, axially extending and the first spiral staggeredly is additionally provided with the housing and is led
Stream plate and the second spiral deflector, are equipped with assembling tubulation on the first described spiral deflector and the second spiral deflector
Pore, and the pitch of the first spiral deflector and the second spiral deflector is equal；The outer edge patch of first spiral deflector
Firmly the inwall of housing, gap is left between the outer edge and inner walls of the second spiral deflector.
Heat exchanger in the utility model is used for the dichloroethane solution circulating cooling to being passed through in layering reactor, makes it
Temperature is down to below -5 degree；To lift the cooling effect of heat exchanger, by setting double helix deflector, increase dichloroethane solution
The tube side length flowed in housing, strengthens between heat transfer effect, and the outer edge and inner walls of one of spiral deflector
Gap is left, slows down influence of the double helix deflector to dichloroethane solution flowing velocity, lift heat transfer rate.
Used as preferred, the cooling body is 3~4 groups, each group cooling body cooperating, lifting water removal
Speed.
Further to lift heat transfer effect, as preferred, inside edge and the housing axis of first spiral deflector
Spacing of the spacing more than inside edge and the housing axis of the second spiral deflector, and the second described spiral deflector inner edge
Along the tubulation outer wall reclined on housing axis.Avoid single spiral deflector from being centrally formed straight channel, keep the flowing road of spiral
Footpath.
It is wide as preferred, described the first spiral deflector and the second spiral deflector, it is easy to processing, and pore
Distribution calculate.
The length extended in axis as preferred, described the first spiral deflector and the second spiral deflector is 2~5
Individual pitch；If the development length of two spiral deflectors is excessive, heat transfer rate is influenceed, but extended distance is inadequate, it is difficult to lifted
Heat transfer effect.
The utility model simple structure, is easy to processing, by setting the heat exchanger of double helix deflector, increases dichloroethanes
The tube side length that solution flows in housing, increases heat exchanger time, lifts heat transfer effect；Shorten the cooling of dichloroethane solution
Used time, improve production efficiency.
Brief description of the drawings
Fig. 1 be the utility model in freezing except dichloroethanes reclaimed water installation drawing；
Fig. 2 is the structure chart of heat exchanger；
Fig. 3 is the structure chart of the first spiral deflector and the second spiral deflector.
Specific embodiment
Freezing as shown in Figures 1 to 3 is except the device of dichloroethanes reclaimed water, including chilled brine intake line 101, freezing
Salt solution output pipe 103, blowdown piping 103 and dichloroethane solution intake line 104 are dried, access above-mentioned pipeline two groups are followed
Ring cooling body and dichloroethanes storage tank 107.
Every group of cooling body is connected with the layering reactor of the branch road 109 of tie point 110 and second including bottom
106, tie point 110 is led to the charging aperture 111 at the top of layering reactor 106 and is provided with heat exchanger in tie point 110
105, the second branch road 109 is connected with dichloroethanes storage tank 107.Heat exchanger 105 and chilled brine intake line 101 and chilled brine
Output pipe 103 is connected, for being passed through chilled brine as heat transferring medium.Layering reactor 106 is input into dichloroethane solution
Pipeline 104 and dry blowdown piping 103 and connect.
Heat exchanger 105 includes being provided with axially extending tubulation 2 in housing 1, housing 1.Be additionally provided with housing 1 it is axially extending and
The first spiral deflector 3 and the second spiral deflector 4 staggeredly, are all provided with the first spiral deflector 3 and the second spiral deflector 4
There is the pore 5 of assembling tubulation, and the pitch of the first spiral deflector 3 and the second spiral deflector 4 is equal.
In the present embodiment, the outer edge 6 of the first spiral deflector 3 touch the inwall of housing 1, the second spiral deflector 4
Gap is left between outer edge 8 and the inwall of housing 1.The inside edge 7 of the first spiral deflector 3 is more than second with the spacing of housing axis
The inside edge 9 of spiral deflector 4 and the spacing of housing axis, and the inside edge 9 of the second spiral deflector 4 reclines on housing axis
Tubulation outer wall.
Dichloroethane solution is passed through in housing 1, and chilled brine is passed through in tubulation 2, by setting double helix deflector, is increased
The tube side length of dichloroethane solution flowing in housing 1, strengthens the heat transfer effect with chilled brine, and one of spiral is led
Gap is left between the outer edge and inner walls that flow plate, slows down shadow of the double helix deflector to dichloroethane solution flowing velocity
Ring；Using the design of double helix deflector, it is to avoid single spiral deflector is centrally formed straight channel, dichloroethane solution is kept
Helical flow path.
First spiral deflector 3 and the second spiral deflector 4 are wide, and the first spiral deflector 3 and the second spiral stream guidance
Plate 4 is 2~5 pitch in the length that axis extends.
In the present embodiment, dichloroethane solution intake line 104 to layering reactor 106 in fill with dichloroethane solution,
Open the circulation pump 108, cooling is circulated by dichloroethane solution feeding heat exchanger 105, until entirely in layering reactor 106
The temperature of dichloroethane solution to be down to -5 degree following, stop circulating pump 108, stand 30 minutes and be layered, open and dry blow-down pipe
Road 103, lower floor's organic phase sends into dichloroethanes storage tank 107, is reprocessed in aqueous and ice the return kettle in upper strata, and treatment is certain
Lot number, heat exchanging device 105 carries out nitrogen purging, cleans out.
Preferable implementation example of the present utility model is the foregoing is only, the utility model is not limited to, it is all in this reality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
1. a kind of freezing is except the device of dichloroethanes reclaimed water, including dichloroethanes storage tank, and accesses two chloroethene side by side
At least two groups cooling bodies of alkane storage tank, it is characterised in that：Described cooling body is connected with first including bottom
The layering reactor of branch road and the second branch road, tie point lead to layering reactor at the top of charging aperture and set on the first leg
Heat exchanger is equipped with, the second branch road is connected with dichloroethanes storage tank；
Described heat exchanger includes housing and tubulation, and axially extending and the first spiral deflector staggeredly is additionally provided with the housing
With the second spiral deflector, the pipe of assembling tubulation is equipped with the first described spiral deflector and the second spiral deflector
Hole, and the pitch of the first spiral deflector and the second spiral deflector is equal；The outer edge of first spiral deflector is touched
The inwall of housing, gap is left between the outer edge and inner walls of the second spiral deflector.
2. freezing as claimed in claim 1 is except the device of dichloroethanes reclaimed water, it is characterised in that the cooling body
It is 3~4 groups.
3. freezing as claimed in claim 1 is except the device of dichloroethanes reclaimed water, it is characterised in that first spiral stream guidance
The inside edge of plate is with the spacing of housing axis more than the inside edge of the second spiral deflector and the spacing of housing axis.
4. freezing as claimed in claim 3 is except the device of dichloroethanes reclaimed water, it is characterised in that the first described spiral is led
Stream plate and the second spiral deflector are wide.
5. freezing as claimed in claim 3 is except the device of dichloroethanes reclaimed water, it is characterised in that the first described spiral is led
Stream plate and the second spiral deflector are 2~5 pitch in the length that axis extends.
6. the freezing as described in any one of Claims 1 to 5 is except the device of dichloroethanes reclaimed water, it is characterised in that described
The inside edge of the second spiral deflector reclines the tubulation outer wall on housing axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480515.7U CN206308284U (en) | 2016-12-30 | 2016-12-30 | A kind of freezing is except the device of dichloroethanes reclaimed water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480515.7U CN206308284U (en) | 2016-12-30 | 2016-12-30 | A kind of freezing is except the device of dichloroethanes reclaimed water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206308284U true CN206308284U (en) | 2017-07-07 |
Family
ID=59247907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621480515.7U Expired - Fee Related CN206308284U (en) | 2016-12-30 | 2016-12-30 | A kind of freezing is except the device of dichloroethanes reclaimed water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206308284U (en) |
-
2016
- 2016-12-30 CN CN201621480515.7U patent/CN206308284U/en not_active Expired - Fee Related
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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: 20170707 Termination date: 20211230 |