CN207335496U - A kind of rapid-cooling heat exchanger - Google Patents
A kind of rapid-cooling heat exchanger Download PDFInfo
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- CN207335496U CN207335496U CN201721425495.8U CN201721425495U CN207335496U CN 207335496 U CN207335496 U CN 207335496U CN 201721425495 U CN201721425495 U CN 201721425495U CN 207335496 U CN207335496 U CN 207335496U
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- heat exchanger
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- tube sheet
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Abstract
The utility model discloses a kind of rapid-cooling heat exchanger, include entrance end socket, entrance tube sheet, entrance reducer, cylinder, outlet reducer, outlet tube sheet, outlet head and moisture outlet from the bottom to top, the surface of the side of entrance tube sheet contact water is in the low ramped shaped in middle high periphery；One group of heat exchanger tube is equipped with cylinder, the both ends of heat exchanger tube are respectively fixedly connected with entrance tube sheet and outlet tube sheet, connect entrance end socket and outlet head；The top and the bottom of cylinder are respectively equipped with moisture outlet and feed-water intake；Pintsch process gas enters rapid-cooling heat exchanger through entrance end socket, cooling water from HP steam drum enters rapid-cooling heat exchanger through feed-water intake, Pintsch process gas exchanges heat with cooling water in heat exchanger tube, and the Pintsch process gas after heat exchange enters outlet head and leaves rapid-cooling heat exchanger；The gas-vapor mix that cooling water is formed after the heat exchange leaves rapid-cooling heat exchanger from moisture outlet.The utility model is widely applicable, simple in structure, while again cheap, can be used for new device, can be used for the transformation of existing apparatus.
Description
Technical field
The ethylene unit equipment technical field of petrochemical industry is the utility model is related to, specifically a kind of rapid-cooling heat exchanger.
Background technology
Rapid-cooling heat exchanger is the equipment that craftsmanship is very strong on ethane cracking furnace, it requires rapid cold within the extremely short time
But Pintsch process gas, prevents secondary response, reduces the loss of purpose alkene, while recycles high level heat.Shell-and-tube chilling
Heat exchanger is divided into tube side and shell side, its tube side medium is Pintsch process gas, and shell side medium is cooling water.Its common flow is：
Pintsch process gas enters heat exchanger tube through entrance end socket, and the cooling water from HP steam drum enters cylinder-shaped through boiler feedwater adapter
Into shell side space exchange heat, the cracking gas after chilling, which enters, outlet head and leaves rapid-cooling heat exchanger, and cooling water is changing
After heat rapid-cooling heat exchanger is left through moisture outlet adapter in the form of gas-vapor mix.Shell-and-tube heat exchanger is separated using tube sheet
Tube side and shell side, and be connected using flanged joint or the method for welding with entrance end socket, outlet head.During operation, pipe
Bear larger thermal (temperature difference) stress at plate, the junction of tube sheet and heat exchanger tube should due to the different swelling heats that can also produce of tube wall temperature
Power.In prior art, there is one kind and solved the above problems using reinforced thin tubesheet, shell is born by one thick tube sheet
The higher pressure of journey, then tube wall temperature is welded with heat exchanger tube by a thin tubesheet and is remained at low levels, two tube sheets
Between be connected by lacing wire.The shortcomings that this reinforced thin tubesheet is complicated, and manufacture difficulty is big, of high cost, meanwhile, for
The rapid-cooling heat exchanger of major diameter, since tube sheet water side is plane, is deposited on the spot of shell side bottom and accumulates at the top of shell side
Steam be not easy to exclude, and then cause corrosion and damage equipment.
The content of the invention
The purpose of this utility model is to be directed to above-mentioned deficiency of the prior art, there is provided suitable a kind of for cooling down cracking of ethylene
The rapid-cooling heat exchanger of stove Pintsch process gas.
The purpose of this utility model is achieved through the following technical solutions：
A kind of rapid-cooling heat exchanger, from the bottom to top including entrance end socket, entrance tube sheet, entrance reducer, cylinder, outlet reducing
Section, outlet tube sheet, outlet head and moisture outlet, the surface of the side of the entrance tube sheet contact water are low in middle high periphery
Ramped shaped；Be equipped with one group of heat exchanger tube in the cylinder, the both ends of the heat exchanger tube be respectively fixedly connected with the entrance tube sheet with
Export on tube sheet, connect the entrance end socket and outlet head；The top and the bottom of the cylinder are respectively equipped with moisture outlet and feedwater
Entrance；Pintsch process gas enters rapid-cooling heat exchanger through entrance end socket, and the cooling water from HP steam drum enters anxious through feed-water intake
Cold heat exchanger, Pintsch process gas exchange heat with cooling water in heat exchanger tube, and the Pintsch process gas after heat exchange is sealed into inlet/outlet
Head simultaneously leaves rapid-cooling heat exchanger；The gas-vapor mix that cooling water is formed after the heat exchange leaves chilling heat exchange from the moisture outlet
Device.
In the further designing scheme of the utility model, the surface of the side of above-mentioned outlet tube sheet contact water is in middle high week
The low ramped shaped in side.
In the further designing scheme of the utility model, fluid distributor, the fluid are additionally provided with above-mentioned entrance end socket
Distributor is arranged on the surface of the entrance tube sheet.
In the further designing scheme of the utility model, feed water filter device is equipped with before above-mentioned feed-water intake.
The utility model has beneficial effect following prominent：
The thin slope surface of thick surrounding centered on the rapid-cooling heat exchanger entrance tube sheet of the utility model and the water side of outlet tube sheet, just
At the shell side high point at water vapour and low spot sewerage discharge, play the role of being effectively protected to tube sheet；Inlet porting fluid
Distributor can also avoid the problem that assignment of traffic is uneven, slow down cracking gas and entrance tube sheet is washed away, and extend entrance tube sheet
Service life；Feed water filter device is equipped with before feed-water intake, the impurity in boiler feedwater can be filtered off, is prevented because water quality is asked
Topic causes to damage to equipment.The new rapid-cooling heat exchanger is simple in structure, and overall cost is low, and space layout is flexible, can be used for new
Device is built, can be used for the transformation of existing apparatus.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model rapid-cooling heat exchanger.
Fig. 2 is the profile of the utility model rapid-cooling heat exchanger entrance tube sheet.
Fig. 3 is the profile of the utility model rapid-cooling heat exchanger outlet tube sheet.
In figure：1- entrance end sockets, 2- entrance tube sheets, 3- entrance reducers, 4- cylinders, 5- outlets reducer, 6- outlets
Plate, 7- outlet heads, 8- exhaust joints, 9- moisture outlets, 10- heat exchanger tubes, 11- feed-water intakes, 12- feed water filter devices, 13-
Pollution discharge joint, 14- fluid distributing apparatus.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment
Referring to attached drawing 1, a kind of rapid-cooling heat exchanger, from the bottom to top including entrance end socket 1, entrance tube sheet 2, entrance reducer 3,
Cylinder 4, outlet reducer 5, outlet tube sheet 6, outlet head 7 and moisture outlet 9, referring to attached drawing 2 and attached drawing 3,2 He of entrance tube sheet
Export the thin tubesheet pattern that tube sheet 6 all uses solid forging shaping, thickness generally in 20mm ~ 50mm, tube sheet center thickness with
Surrounding thinnest part differs 5mm ~ 15mm；The surface for the side that entrance tube sheet 2 contacts water with outlet tube sheet 6 is low in middle high periphery
Ramped shaped, entrance tube sheet 2 and outlet tube sheet 6 cracking gas side be plane, entrance tube sheet 2 and export the center thickness of tube sheet 6 most
Big and be uniformly thinned around, in the present embodiment, entrance tube sheet 2 and the center thickness for exporting tube sheet 6 are 40mm, surrounding thickness is
30mm, easy to the discharge of sewerage at water vapour at shell side high point and low spot；One group of heat exchanger tube 10, heat exchanger tube are equipped with cylinder 4
10 both ends are respectively fixedly connected with entrance tube sheet 2 and outlet tube sheet 6, connection entrance end socket 1 and outlet head 7；Cylinder 4
Top and the bottom be respectively equipped with moisture outlet 9 and feed-water intake 11；Pintsch process gas enters rapid-cooling heat exchanger through entrance end socket 1, comes
Enter rapid-cooling heat exchanger through feed-water intake 11 from the cooling water of HP steam drum, Pintsch process gas and cooling water in heat exchanger tube 10 into
Row heat exchange, the Pintsch process gas after heat exchange enter outlet head 7 and leave rapid-cooling heat exchanger；Cooling water is formed after the heat exchange
Gas-vapor mix leave rapid-cooling heat exchanger from moisture outlet 9.Fluid distributor, fluid distributor are additionally provided with entrance end socket 1
Arranged on the surface of entrance tube sheet 2.Feed water filter device 12 is equipped with before feed-water intake 11.The low spot and high point of shell side are respectively provided with
Pollution discharge joint 13 and exhaust joint 8.
At work, Pintsch process gas enters rapid-cooling heat exchanger to the rapid-cooling heat exchanger of the utility model through entrance end socket 1,
In heat exchanger tube 10 after heat exchange, into outlet head 7 and rapid-cooling heat exchanger is left；Boiler feedwater from HP steam drum passes through decline
Pipe enters rapid-cooling heat exchanger through feed-water intake 11, reducer 5 and goes out by entrance tube sheet 2, entrance reducer 3, cylinder 4, outlet
After exchanging heat in the shell side space that mouth tube sheet 6 is formed, the gas-vapor mix of formation leaves rapid-cooling heat exchanger through moisture outlet 9, and passes through
Tedge returns to HP steam drum.Due to being provided with fluid distributing apparatus 14 in entrance end socket 1, cracking gas can be slowed down to entering
Mouth tube sheet 2 washes away, and extends the service life of entrance tube sheet 2, while allows cracking gas to uniformly enter heat exchanger tube 10, ensures heat exchange
10 load of pipe is essentially identical, improves the service life of heat exchanger.Meanwhile the utility model is equipped with before feed-water intake 11 and fed water
Device 12 is filtered, the impurity in boiler feedwater can be filtered off, prevent from damaging caused by quality problem is to equipment.With reference to entrance tube sheet 2
Ramp structure design and fluid distributing apparatus 14 is set, more can effectively extend the service life of entrance tube sheet 2 jointly.
Above is the preferred embodiment of the utility model, all changes made according to technical solution of the present invention, caused work(
When can act on the scope without departing from technical solutions of the utility model, the scope of protection of the utility model is belonged to.
Claims (4)
- A kind of 1. rapid-cooling heat exchanger, from the bottom to top including entrance end socket（1）, entrance tube sheet（2）, entrance reducer（3）, cylinder （4）, outlet reducer（5）, outlet tube sheet（6）, outlet head（7）And moisture outlet（9）, it is characterised in that the inlet tube Plate（2）The surface of the side of water is contacted in the low ramped shaped in middle high periphery；The cylinder（4）Inside it is equipped with one group of heat exchanger tube （10）, the heat exchanger tube（10）Both ends be respectively fixedly connected with the entrance tube sheet（2）With outlet tube sheet（6）On, connection institute State entrance end socket（1）With outlet head（7）；The cylinder（4）Top and the bottom be respectively equipped with moisture outlet（9）And feed-water intake （11）；Pintsch process gas is through entrance end socket（1）Into rapid-cooling heat exchanger, the cooling water from HP steam drum is through feed-water intake（11） Into rapid-cooling heat exchanger, Pintsch process gas is with cooling water in heat exchanger tube（10）Inside exchange heat, the Pintsch process gas after heat exchange Into outlet head（7）And leave rapid-cooling heat exchanger；The gas-vapor mix that cooling water is formed after the heat exchange goes out from the steam Mouthful（9）Leave rapid-cooling heat exchanger.
- 2. rapid-cooling heat exchanger according to claim 1, it is characterised in that the outlet tube sheet（6）Contact the side of water Surface is in the low ramped shaped in middle high periphery.
- 3. rapid-cooling heat exchanger according to claim 1, it is characterised in that the entrance end socket（1）Inside it is additionally provided with fluid point Orchestration, the fluid distributor are arranged on the entrance tube sheet（2）Surface.
- 4. rapid-cooling heat exchanger according to claim 1, it is characterised in that the feed-water intake（11）It is preceding to be equipped with alarm filter Device（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425495.8U CN207335496U (en) | 2017-10-31 | 2017-10-31 | A kind of rapid-cooling heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425495.8U CN207335496U (en) | 2017-10-31 | 2017-10-31 | A kind of rapid-cooling heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207335496U true CN207335496U (en) | 2018-05-08 |
Family
ID=62363410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721425495.8U Active CN207335496U (en) | 2017-10-31 | 2017-10-31 | A kind of rapid-cooling heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207335496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254556A (en) * | 2020-10-30 | 2021-01-22 | 茂名重力石化装备股份公司 | Phase-change type quenching heat exchanger |
-
2017
- 2017-10-31 CN CN201721425495.8U patent/CN207335496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254556A (en) * | 2020-10-30 | 2021-01-22 | 茂名重力石化装备股份公司 | Phase-change type quenching heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Jinke Inventor after: Zhang Jian Inventor after: Li Ning Inventor after: An Faliang Inventor before: Li Jinke Inventor before: Zhang Jian Inventor before: Li Ning Inventor before: Guo Hong Inventor before: An Faliang |
|
| CB03 | Change of inventor or designer information | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211162 No.69 Xiyan Road, Jiangning Binjiang Development Zone, Nanjing City, Jiangsu Province Patentee after: Tianhua Institute (Nanjing) Intelligent Manufacturing Co.,Ltd. Address before: 211162 No.69 Xiyan Road, Jiangning Binjiang Development Zone, Nanjing City, Jiangsu Province Patentee before: NANJING TIANHUA CHEMICAL ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |