CN202675954U - Novel overhead heat exchanger - Google Patents
Novel overhead heat exchanger Download PDFInfo
- Publication number
- CN202675954U CN202675954U CN 201220289564 CN201220289564U CN202675954U CN 202675954 U CN202675954 U CN 202675954U CN 201220289564 CN201220289564 CN 201220289564 CN 201220289564 U CN201220289564 U CN 201220289564U CN 202675954 U CN202675954 U CN 202675954U
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- CN
- China
- Prior art keywords
- heat exchanger
- end socket
- tube bundle
- exchanging tube
- housing
- 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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Abstract
The utility model discloses a novel overhead heat exchanger, which comprises a shell and heat exchange tube bundles, wherein the heat exchange tube bundles are inserted into the shell, and the shell is provided with a feeding hole and an emptying hole. The novel overhead heat exchanger is characterized in that a sealing head is arranged in the shell; the concave surface of the sealing head is arranged over against the tail ends of the heat exchange tube bundles; the sealing head is connected with a discharge hole; and the inner space of the heat exchanger at the concave side of the sealing head is communicated with the outside through the discharge hole. According to the novel overhead heat exchanger disclosed by the utility model, the shell is provided with the feeding hole, the discharge hole and the emptying hole, substances in the shell can be conveyed to two external devices through the discharge hole and the emptying hole after being split or separated. The heat exchanger is wide in application range.
Description
Technical field
The utility model belongs to chemical field, is specifically related to a kind of cat head heat exchanger.
Background technology
Heat exchanger comprises housing and is located at its inner heat-exchanging tube bundle, as the container of physics or chemical reaction, by structural design and the parameter configuration to container, realizes heating, evaporation, the cooling of technological requirement and hangs down the function that is mixed at a high speed.Heat exchanger is the combined reaction container, according to the design of reaction condition heat exchanger structure, function and configuration annex.
Heat exchanger is widely used in the industries such as oil, chemical industry, rubber, agricultural chemicals, dyestuff, medicine, food, the pressure vessel of finishing the technical process such as sulfuration, nitrated, hydrogenation, hydrocarbonylation, polymerization, condensation, such as reactor, reaction pot, decomposition pot, polymeric kettle etc.; Material generally has carbon manganese steel, stainless steel, titanium, zirconium, Ni-based (Ha Shi, Monel, inconel) alloy and other composites.
The structure of most of heat exchangers as shown in Figure 1, housing is provided with charging aperture and drain hole, for requirements such as the heating of satisfying technological requirement, evaporation, coolings, heat-exchanging tube bundle is set in housing, heat-exchanging tube bundle is provided with the tube side import and export.Materials etc. enter in the heat exchanger via charging aperture, carry out physics or chemical reaction, then by the drain hole outflow heat exchanger, can finish pre-set reactions steps with higher automaticity, can carry out strict regulation and control to important parameters such as the temperature in the course of reaction, pressure, mechanics control (stirring, air blast etc.), reactant/product concentration.But this heat exchanger only has a drain hole, is only applicable to physics or the chemical reaction of single product, and only relies on drain hole to be connected with external equipment, can not or separate the shunting of the material in the housing, and the use of heat exchanger is subject to limitation, the scope of application is little.
Summary of the invention
The utility model purpose provides a kind of Novel tower top heat exchanger, and by the improvement of structure, a plurality of external equipments can be shunted or be separated to material in the housing, and heat exchanger is applied widely.
For achieving the above object, the technical solution adopted in the utility model is: a kind of Novel tower top heat exchanger, comprise housing and be plugged in the interior heat-exchanging tube bundle of this housing, housing is provided with charging aperture and drain hole, be provided with end socket in the described housing, the concave surface of this end socket is connected with discharging opening over against the heat-exchanging tube bundle tail end on the described end socket, and the heat exchanger inner space of the recessed side of end socket is communicated with outside by this discharging opening.
In the technique scheme, also be provided with two temperatures meter interface on the described housing, the not-go-end of two temperatures meter interface lays respectively at the concave, convex side of described end socket.
In the technique scheme, described end socket utilization plural number piece gusset is fixedly connected with inner walls.
Preferably, described cat head heat exchanger is the vertical titanium heat exchanger, and described heat-exchanging tube bundle is U-shaped heat-exchanging tube bundle, and the head of this U-shaped heat-exchanging tube bundle utilizes flange to be connected with the oral area of housing, and described end socket is located at the below of U-shaped heat-exchanging tube bundle.
The utility model can be used in the PTA residue in the benzoic recovery tower, and it is as follows to reclaim in the PTA residue benzoic job step:
(1) 200～270 ℃ hot water flows into, exports circulating in heat-exchanging tube bundle of flowing out by tube side from the tube side import of U-shaped heat-exchanging tube bundle;
(2) 200～270 ℃ conduction oil flows into, exports circulating between spacer and reactor of flowing out by conduction oil from heat conductive oil inlet;
(3) oxidation residua and water mix, and Total Water is to calculate 0.5～1.5 times of the theoretical consumption of gained according to Solubilities of Benzoic Acid in Different Solvents in the pure water in the mixture;
(4) mixture that obtains in the step (3) is sent the cat head heat exchanger to through charging aperture, the heat heating that utilizes U-shaped heat-exchanging tube bundle to shed, and oxidation residua progressively dissolves;
The hot slurries of oxidation residua of (5) flowing through between U-shaped heat-exchanging tube bundle are converged by end socket, then flow out the cat head heat exchanger via discharging opening, send this cat head heat exchanger in cat head heat exchanger outside again thin up to by charging aperture, the Repeat-heating dissolving;
(6) the hot slurries of oxidation residua between U-shaped heat-exchanging tube bundle and inner walls of flowing through flow into the packed tower of cat head heat exchanger below, and obtain crude benzol formic acid slurries after by the screen filter cleaner in each carrier pipe of packed tower;
(7) crude benzol formic acid slurries enter reactor, and distillation dehydration under the effect of conduction oil obtains the dry raw benzoic acid;
(8) the dry raw benzoic acid that obtains in the step (7) flows out recovery tower by drain hole, flows to the rectifier unit of peripheral hardware by pipeline, obtains required benzoic acid, and the benzoic acid recovery operation is finished in the PTA residue.
Because technique scheme is used, the advantage that the utility model compared with prior art has is:
1. the utility model is provided with end socket in the housing of heat exchanger, the concave surface of this end socket is over against the heat-exchanging tube bundle setting, described end socket is communicated with outside by a discharging opening, be that heat exchanger is provided with charging aperture, discharging opening and drain hole, material can be shunted or separate by discharging opening and drain hole and be delivered to 2 external equipments in the housing, and heat exchanger is applied widely.
2. this use is novel offers two temperatures meter interface at heat exchanger shell, the not-go-end of two temperatures meter interface lays respectively at the concave, convex side of described end socket, be convenient to detect end socket concave, convex side material temperature and control, realize the requirements such as heating, evaporation, cooling of technological requirement.
Description of drawings
Fig. 1 is the front view of the utility model embodiment one;
Wherein: 1, housing; 10, charging aperture; 11, drain hole; 12, discharging opening; 13, thermometer boss; 14, thermometer boss; 2, heat-exchanging tube bundle; 3, end socket.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: referring to shown in Figure 1, a kind of Novel tower top heat exchanger, comprise housing and the heat-exchanging tube bundle 2 that is plugged in this housing 1, preferably, described cat head heat exchanger is the vertical titanium heat exchanger, heat-exchanging tube bundle 2 is U-shaped heat-exchanging tube bundle, and the head of this U-shaped heat-exchanging tube bundle utilizes flange to be connected with the oral area of housing.
Be provided with the end socket 3 that is positioned at heat-exchanging tube bundle 2 belows in the described cat head heat exchanger, described end socket 3 utilizes plural piece gusset to be fixedly connected with inner walls, the concave surface of this end socket 3 is over against heat-exchanging tube bundle 2 tail ends, be connected with discharging opening 12 on the described end socket 3, the heat exchanger inner space of end socket 3 recessed sides is communicated with outside by this discharging opening 12.
Present embodiment can be used in the PTA residue in the benzoic recovery tower, and it is as follows to reclaim in the PTA residue benzoic job step:
(1) 200～270 ℃ hot water flows into, exports circulating in heat-exchanging tube bundle of flowing out by tube side from the tube side import of U-shaped heat-exchanging tube bundle;
(2) 200～270 ℃ conduction oil flows into, exports circulating between spacer and reactor of flowing out by conduction oil from heat conductive oil inlet;
(3) oxidation residua and water mix, and Total Water is to calculate 0.5～1.5 times of the theoretical consumption of gained according to Solubilities of Benzoic Acid in Different Solvents in the pure water in the mixture;
(4) mixture that obtains in the step (3) is sent the cat head heat exchanger to through charging aperture, the heat heating that utilizes U-shaped heat-exchanging tube bundle to shed, and oxidation residua progressively dissolves;
The hot slurries of oxidation residua of (5) flowing through between U-shaped heat-exchanging tube bundle are converged by end socket, then flow out the cat head heat exchanger via discharging opening, send this cat head heat exchanger in cat head heat exchanger outside again thin up to by charging aperture, the Repeat-heating dissolving;
(6) the hot slurries of oxidation residua between U-shaped heat-exchanging tube bundle and inner walls of flowing through flow into the packed tower of cat head heat exchanger below, and obtain crude benzol formic acid slurries after by the screen filter cleaner in each carrier pipe of packed tower;
(7) crude benzol formic acid slurries enter reactor, and distillation dehydration under the effect of conduction oil obtains the dry raw benzoic acid;
(8) the dry raw benzoic acid that obtains in the step (7) flows out recovery tower by drain hole, flows to the rectifier unit of peripheral hardware by pipeline, obtains required benzoic acid, and the benzoic acid recovery operation is finished in the PTA residue.
Above-described embodiment is not the restriction to purposes of the present invention, and the present invention can also be as the equipment that reclaims terephthalic acid residue or other applicable occasions.
Claims (4)
1. Novel tower top heat exchanger, comprise housing (1) and be plugged in the interior heat-exchanging tube bundle (2) of this housing, housing (1) is provided with charging aperture (10) and drain hole (11), it is characterized in that: be provided with end socket (3) in the described housing (1), the concave surface of this end socket (3) is over against heat-exchanging tube bundle (2) tail end, be connected with discharging opening (12) on the described end socket (3), the heat exchanger inner space of the recessed side of end socket (3) is communicated with outside by this discharging opening (12).
2. Novel tower according to claim 1 top heat exchanger, it is characterized in that: also be provided with two temperatures meter interface (13 on the described housing (1), 14), the not-go-end of two temperatures meter interface (13,14) lays respectively at the concave, convex side of described end socket (3).
3. Novel tower according to claim 1 top heat exchanger, it is characterized in that: described end socket (3) utilizes plural piece gusset to be fixedly connected with inner walls.
4. each described Novel tower top heat exchanger according to claim 1～3, it is characterized in that: described cat head heat exchanger is the vertical titanium heat exchanger, described heat-exchanging tube bundle (2) is U-shaped heat-exchanging tube bundle, the head of this U-shaped heat-exchanging tube bundle utilizes flange to be connected with the oral area of housing (1), and described end socket (3) is located at the below of U-shaped heat-exchanging tube bundle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289564 CN202675954U (en) | 2012-06-20 | 2012-06-20 | Novel overhead heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220289564 CN202675954U (en) | 2012-06-20 | 2012-06-20 | Novel overhead heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202675954U true CN202675954U (en) | 2013-01-16 |
Family
ID=47496854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220289564 Expired - Fee Related CN202675954U (en) | 2012-06-20 | 2012-06-20 | Novel overhead heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202675954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186284A (en) * | 2018-08-29 | 2019-01-11 | 张家港市科华化工装备制造有限公司 | U-tube heat exchanger |
-
2012
- 2012-06-20 CN CN 201220289564 patent/CN202675954U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186284A (en) * | 2018-08-29 | 2019-01-11 | 张家港市科华化工装备制造有限公司 | U-tube heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150620 |
|
| EXPY | Termination of patent right or utility model |