CN210664058U - Single-tube-pass floating head type heat exchanger - Google Patents
Single-tube-pass floating head type heat exchanger Download PDFInfo
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- CN210664058U CN210664058U CN201921502783.8U CN201921502783U CN210664058U CN 210664058 U CN210664058 U CN 210664058U CN 201921502783 U CN201921502783 U CN 201921502783U CN 210664058 U CN210664058 U CN 210664058U
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Abstract
The utility model discloses a single-pass floating head type heat exchanger, which comprises a heat exchange shell, a fixed tube plate, a heat exchange tube bundle, a floating tube plate, a floating head part, a first flange plate and an inlet short joint; the fixed tube plate, the heat exchange tube bundle, the floating tube plate and the floating head are arranged in the heat exchange shell, and two ends of the heat exchange tube bundle are respectively fixedly connected with the fixed tube plate and the floating tube plate; the floating head comprises a floating head spherical end socket, a first short section, an expansion joint and a second short section; the heat exchange shell comprises a third short section, an inlet pipe box, a heat exchange cylinder and an outlet pipe box; a tube pass outlet is formed on the outlet tube box; the spherical head of floating head passes through the flange with first nipple joint and can dismantle the connection, and first ring flange passes through the flange with the second nipple joint and can dismantle the connection, and when third flange and fourth flange locked each other, first ring flange still with third flange and fourth flange sealing connection, so the utility model has the characteristics of sealed effectual and the dismouting of being convenient for.
Description
Technical Field
The utility model relates to a heat exchanger field, concretely relates to single tube side floats hair style heat exchanger.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.
In the process of preparing coal gas by using coal, the coal is cracked to generate coal gas under the condition of high temperature and low oxygen, and the temperature of the coal gas is higher at the moment. The final finished product requires normal temperature or low temperature, and a heat exchanger is needed to cool the coal gas. The heat exchanger tube pass is filled with coal gas, the shell pass is filled with cooling water, the temperature difference between the two is large, and the tube pass has the problems of sealing, expansion with heat and contraction with cold. Meanwhile, from the perspective of equipment installation, maintenance and overhaul, the equipment structure is required to be a detachable structure.
In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a single-pass floating head heat exchanger, which has the advantages of good sealing effect and easy assembly and disassembly.
In order to achieve the above purpose, the solution of the present invention is:
a single-pass floating head type heat exchanger comprises a heat exchange shell, a fixed tube plate, a heat exchange tube bundle, a floating tube plate, a floating head part, a first flange plate and an inlet short section; the fixed tube plate, the heat exchange tube bundle, the floating tube plate and the floating head are arranged in the heat exchange shell, and two ends of the heat exchange tube bundle are respectively fixedly connected with the fixed tube plate and the floating tube plate;
the floating head comprises a floating head spherical end socket, a first short section, an expansion joint and a second short section; a floating head cover flange and a first connecting flange are formed on the floating head spherical end socket, and the floating head cover flange is fixedly connected with the floating tube plate in a sealing manner through a hook ring; the first short section and the second short section are respectively welded and fixed at two ends of the telescopic joint, second connecting flanges are respectively formed at free ends of the first short section and the second short section, and the first connecting flanges are fixedly connected with the second connecting flanges of the first short section in a sealing manner;
the heat exchange shell comprises a third short section, an inlet pipe box, a heat exchange cylinder and an outlet pipe box; a tube pass outlet is formed on the outlet tube box, and a shell pass inlet and a shell pass outlet are formed on the heat exchange cylinder; the third short section is welded with the inlet pipe box, and two ends of the heat exchange cylinder are fixedly connected with the inlet pipe box and the outlet pipe box respectively through flanges in a sealing manner; a third connecting flange is formed at the free end of the third short section; one end of the inlet short section is fixedly connected with a fourth connecting flange in a welding mode; one end of the inlet short section, which is far away from the fourth connecting flange, is connected with a pipe side inlet through a flange; the third connecting flange and the fourth connecting flange are fixedly connected through a stud, the first flange plate is arranged between the third connecting flange and the fourth connecting flange, and two side surfaces of the first flange plate are respectively abutted and hermetically connected with the third connecting flange and the fourth connecting flange; and a second connecting flange on the second short section is fixedly connected with the first flange plate in a sealing manner.
Furthermore, a wire mesh demister and a baffle separator are fixedly arranged in the outlet pipe box, the wire mesh demister is arranged between the baffle separator and the pipe bundle, and a water outlet is arranged at the lower part of the outlet pipe box.
Further, a connection supporting seat is fixedly arranged on the first flange plate, a supporting hole is formed in the connection supporting seat, and the stud penetrates through the supporting hole.
Further, the fixed tube plate is arranged between the flange of the outlet tube box and the flange of the heat exchange cylinder, and the fixed tube plate is connected with the flange of the outlet tube box and the flange of the heat exchange cylinder in a sealing mode.
After the structure of the oil-water separator is adopted, the utility model relates to a single tube side floats hair style heat exchanger, it has following beneficial effect at least:
the floating head spherical sealing head is detachably connected with the first short section through a flange, the first flange plate is detachably connected with the second short section through a flange, and when the third connecting flange and the fourth flange are locked with each other, the first flange plate is further connected with the third connecting flange and the fourth connecting flange in a sealing manner, so that the structure is more compact. The flanges are fixedly connected in a sealing manner through the connecting piece and the sealing gasket.
And the third short section enables the inlet pipe box and the third connecting flange to realize transition, so that the third connecting flange is convenient to mount and fix.
And thirdly, by arranging the telescopic joint, the problem of stress caused by different tube pass shell pass temperatures is solved, so that the sealing stability and reliability of the same section at the inlet side of the tube pass are ensured.
Fourthly, the utility model discloses utilize the combination formula of two kinds of separators, can go out the liquid composition in the medium as far as abundant board to reduced because of the existence of liquid composition leads to the risk that next process manufacturability shut down.
Drawings
Fig. 1 is the utility model relates to a single tube side floating head heat exchanger overall section structure sketch map.
Fig. 2 is a schematic view of a partial cross-sectional structure at the tube side inlet of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic view of a partial cross-sectional structure at the tube pass outlet of the present invention.
Fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
In the figure: a third short section 11; a third connecting flange 111; an inlet header 12; a heat exchange cylinder 13; a shell-side inlet 131; a shell-side outlet 132; an outlet header 14; a drain port 141; a tube side outlet 15; a wire mesh demister 16; a flap separator 17;
a fixed tube plate 2; a heat exchange tube bundle 3; a floating tube plate 4; a hook loop 41;
a floating head spherical head 51; a floating head cover flange 511; a first connecting flange 512; a telescopic joint 52; a first nipple 521; a second nipple 522; second attachment flange 523
A first flange 6; a stud 61; connecting the support base 62; the support holes 63;
an inlet nipple 7; a fourth connecting flange 71; a tube side inlet 72.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 5, the single-pass floating head heat exchanger according to the present invention comprises a heat exchange shell, a fixed tube plate 2, a heat exchange tube bundle 3, a floating tube plate 4, a floating head, a first flange 6 and an inlet nipple 7; the fixed tube plate 2, the heat exchange tube bundle 3, the floating tube plate 4 and the floating head are arranged in the heat exchange shell, and two ends of the heat exchange tube bundle 3 are respectively fixedly connected with the fixed tube plate 2 and the floating tube plate 4; the floating head comprises a floating head spherical end socket 51, a first short section 521, an expansion joint 521 and a second short section 522; a floating head cover flange 511 and a first connecting flange 512 are formed on the floating head spherical end socket 51, and the floating head cover flange 511 is fixedly connected with the floating tube plate 4 in a sealing manner through a hook ring 41; the first short section 521 and the second short section 522 are respectively welded and fixed at two ends of the telescopic section 521, the free ends of the first short section 521 and the second short section 522 are respectively provided with a second connecting flange 523, and the first connecting flange 512 is fixedly connected with the second connecting flange 523 of the first short section 521 in a sealing manner.
The heat exchange shell comprises a third short section 11, an inlet pipe box 12, a heat exchange cylinder 13 and an outlet pipe box 14; a tube-side outlet 15 is formed on the outlet tube box 14, and a shell-side inlet 131 and a shell-side outlet 132 are formed on the heat exchange cylinder 13; the third short section 11 is welded with the inlet pipe box 12, and two ends of the heat exchange cylinder 13 are respectively and fixedly connected with the inlet pipe box 12 and the outlet pipe box 14 through flanges in a sealing manner; a third connecting flange 111 is formed at the free end of the third short section 11; one end of the inlet nipple 7 is fixedly connected with a fourth connecting flange 71 in a welding mode; one end of the inlet nipple 7, which is far away from the fourth connecting flange 71, is connected with a pipe pass inlet 72 through a flange; the third connecting flange 111 and the fourth connecting flange 71 are fixedly connected through a stud 61, the first flange 6 is arranged between the third connecting flange 111 and the fourth connecting flange 71, and two side surfaces of the first flange 6 are respectively abutted against and hermetically connected with the third connecting flange 111 and the fourth connecting flange 71; and the second connecting flange 523 on the second short section 522 is fixedly connected with the first flange 6 in a sealing manner.
High-temperature coal gas enters the heat exchanger from the tube pass inlet 72, sequentially enters the heat exchange tube bundle 3 through the inlet short section 7, the first flange plate 6, the floating head part and the floating tube plate 4, enters the outlet tube box 14 after heat exchange, and is finally conveyed to the next procedure from the tube pass outlet 15. Cooling water enters from a shell side inlet 131, exchanges heat with the heat exchange tube bundle 3 in the heat exchange shell, and is discharged from the shell side outlet 132 after heat exchange. Thus, the heat in the high-temperature coal gas is exchanged with the cooling water.
Thus, the utility model relates to a single tube side floats hair style heat exchanger, float first spherical head 51 and first nipple joint 521 and pass through the flange and can dismantle the connection, first ring flange 6 with second nipple joint 522 passes through the flange and can dismantle the connection, when third flange 111 and fourth flange lock each other, first ring flange 6 still with third flange 111 and fourth flange 71 sealing connection. The flanges are fixedly connected in a sealing manner through the connecting piece and the sealing gasket.
The third short section 11 makes the inlet pipe box 12 transition with the third connecting flange 111, so as to facilitate the installation and fixation of the third connecting flange 111. By arranging the telescopic joint, the problem of stress caused by different tube pass shell pass temperatures is solved, so that the sealing stability and reliability of the same section on the tube pass inlet 72 side are ensured.
Preferably, a wire mesh demister 16 and a baffle separator 17 are fixedly arranged in the outlet pipe box 14, the wire mesh demister 16 is arranged between the baffle separator 17 and the pipe bundle, and a water outlet 141 is arranged at the lower part of the outlet pipe box 14. The utility model discloses utilize the combination formula of two kinds of separators, can go out the abundant board as far as with the liquid composition in the medium to reduced because of the existence of liquid composition and leaded to the risk that next process manufacturability shut down. The water separated by the wire mesh demister 16 and the baffle separator 17 is discharged through a drain port 141 provided at a lower portion of the outlet header 14 after being accumulated to a certain extent.
Preferably, the first flange 6 is fixedly welded with a connection support base 62, the connection support base 62 is provided with a support hole 63, and the stud 61 is inserted into the support hole 63. Through setting up joint support seat 62, made things convenient for the installation of first ring flange 6, avoided first ring flange 6 because gravity can't be accurate be located between third flange 111 and the fourth flange 71 and influence sealed effect. After the support hole 63 of the connection support base 62 is sleeved on the stud 61, the first flange plate 6 can be accurately fixed between the third connecting flange 111 and the fourth connecting flange 71 along with the locking of the nut on the stud 61.
Preferably, the fixed tube plate 2 is disposed between a flange of the outlet tube box 14 and a flange of the heat exchange tube 13, and the fixed tube plate 2 is hermetically connected with the flange of the outlet tube box 14 and the flange of the heat exchange tube 13. Therefore, the fixing of the fixed tube plate 2 is realized, the fixed tube plate 2 is prevented from being welded and fixed in the heat exchange cylinder 13, and the disassembly, assembly and replacement of the fixed tube plate 2 are facilitated. Two side surfaces of the fixed tube plate 2 are hermetically connected with the outlet tube box 14 and the flange of the heat exchange tube 13, and a sealing gasket is arranged at the joint to ensure the sealing effect.
Preferably, as shown in fig. 5, the flange of the outlet tube box 14 and the flange of the heat exchange tube 13 are connected by a stud 61, a connection support seat 62 is also arranged on the fixed tube plate 2, a support hole 63 is formed on the connection support seat 62, and the support hole 63 is sleeved on the stud 61, which is favorable for the installation of the fixed tube plate 2.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (4)
1. A single-pass floating head type heat exchanger is characterized by comprising a heat exchange shell, a fixed tube plate, a heat exchange tube bundle, a floating tube plate, a floating head part, a first flange plate and an inlet short section; the fixed tube plate, the heat exchange tube bundle, the floating tube plate and the floating head are arranged in the heat exchange shell, and two ends of the heat exchange tube bundle are respectively fixedly connected with the fixed tube plate and the floating tube plate;
the floating head comprises a floating head spherical end socket, a first short section, an expansion joint and a second short section; a floating head cover flange and a first connecting flange are formed on the floating head spherical end socket, and the floating head cover flange is fixedly connected with the floating tube plate in a sealing manner through a hook ring; the first short section and the second short section are respectively welded and fixed at two ends of the telescopic joint, second connecting flanges are respectively formed at free ends of the first short section and the second short section, and the first connecting flanges are fixedly connected with the second connecting flanges of the first short section in a sealing manner;
the heat exchange shell comprises a third short section, an inlet pipe box, a heat exchange cylinder and an outlet pipe box; a tube pass outlet is formed on the outlet tube box, and a shell pass inlet and a shell pass outlet are formed on the heat exchange cylinder; the third short section is welded with the inlet pipe box, and two ends of the heat exchange cylinder are fixedly connected with the inlet pipe box and the outlet pipe box respectively through flanges in a sealing manner; a third connecting flange is formed at the free end of the third short section; one end of the inlet short section is fixedly connected with a fourth connecting flange; one end of the inlet short section, which is far away from the fourth connecting flange, is connected with a pipe side inlet through a flange; the third connecting flange and the fourth connecting flange are fixedly connected through a stud, the first flange plate is arranged between the third connecting flange and the fourth connecting flange, and two side surfaces of the first flange plate are respectively abutted and hermetically connected with the third connecting flange and the fourth connecting flange; and a second connecting flange on the second short section is fixedly connected with the first flange plate in a sealing manner.
2. The single pass floating head heat exchanger according to claim 1, wherein a wire mesh demister and a baffle separator are fixedly arranged in the outlet channel box, the wire mesh demister is arranged between the baffle separator and the tube bundle, and a water outlet is arranged at the lower part of the outlet channel box.
3. The single-tube-pass floating-head heat exchanger according to claim 1, wherein a connection support seat is fixedly arranged on the first flange, a support hole is formed in the connection support seat, and the stud is inserted into the support hole.
4. The single-pass floating head heat exchanger according to claim 1, wherein the fixed tube plate is arranged between the flange of the outlet tube box and the flange of the heat exchange cylinder, and the fixed tube plate is hermetically connected with the flange of the outlet tube box and the flange of the heat exchange cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921502783.8U CN210664058U (en) | 2019-09-10 | 2019-09-10 | Single-tube-pass floating head type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921502783.8U CN210664058U (en) | 2019-09-10 | 2019-09-10 | Single-tube-pass floating head type heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN210664058U true CN210664058U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921502783.8U Active CN210664058U (en) | 2019-09-10 | 2019-09-10 | Single-tube-pass floating head type heat exchanger |
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| CN (1) | CN210664058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487092A (en) * | 2019-09-10 | 2019-11-22 | 福建立信换热设备制造股份公司 | A kind of single tube journey movable tube sheets heat exchanger |
-
2019
- 2019-09-10 CN CN201921502783.8U patent/CN210664058U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487092A (en) * | 2019-09-10 | 2019-11-22 | 福建立信换热设备制造股份公司 | A kind of single tube journey movable tube sheets heat exchanger |
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