CN211383815U - Reboiler convenient to tube bank body overhauls and dismantles - Google Patents
Reboiler convenient to tube bank body overhauls and dismantles Download PDFInfo
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- CN211383815U CN211383815U CN201922181617.9U CN201922181617U CN211383815U CN 211383815 U CN211383815 U CN 211383815U CN 201922181617 U CN201922181617 U CN 201922181617U CN 211383815 U CN211383815 U CN 211383815U
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Abstract
The utility model provides a reboiler convenient to tube bank body overhauls and dismantles, belongs to reboiler technical field, including cylindric casing, the protecgulum is installed through the flange to the casing front end, the protecgulum lower extreme is equipped with the import of heating liquid, and the protecgulum upper end is equipped with the export of heating liquid, open the casing rear end has the access hole, the access hole passes through the access hole lid installation and seals, the casing lower extreme is equipped with the moisturizing mouth, and the casing upper end is equipped with steam outlet, installs the tube bank body in the casing. The black liquor gets into from heating liquid import, and the body of managing bundle is to water heating in the casing in the reciprocating cycle to so that the moisture boiling, the vapor of production is discharged from the steam outlet, and the black liquor is discharged from heating liquid outlet, reaches the thermal make full use of black liquor, and the setting of access hole can be convenient for inspect the body scale deposit condition of managing bundle, and the easy access, clearance and the body of being convenient for dismantle the pipe bundle, simple structure, it is simple to use convenient, save the labour, and the security is good, and is with low costs, and the practicality is good.
Description
Technical Field
The utility model belongs to the technical field of the reboiler, specifically speaking is a reboiler convenient to tube bank body overhauls and dismantles.
Background
The reboiler (also called reboiler) is to make the liquid vaporize again as the name implies, its structure is similar to the condenser, but the condenser is used for lowering the temperature, and the reboiler is used for raising the temperature and vaporizing, the reboiler is widely used in the field of petrochemical industry, also has application in the field of pulping and papermaking, mainly used in the chemical pulp production line boiling workshop section in the field of pulping and papermaking, the superheated black liquor extracted by the digester provides heat for the soft water of the shell pass through the tube pass, the soft water absorbs the heat and vaporizes and produces steam and sends the steam to the wood chip bin to pre-steam the wood chips, the reboiler used in the field of pulping and papermaking belongs to the kettle-type pool boiling reboiler.
In the field of pulping and papermaking, the reboiler mainly has the following problems:
1. if water quality is not good, scaling easily occurs among tube bundles, the heat exchange effect is affected, the tube bundles are not easy to check and confirm, operators with long-term working experience can judge whether the tube bundles scale, and general operators cannot judge whether the tube bundles scale according to the appearance and the operation condition of the reboiler.
2. The tube bank is dismantled more troublesome, need tear down after the tube bank scale deposit and beat the dirt, nevertheless because the thick tube bank of dirt layer is very easy with shell side inner wall "melting" together for it is very arduous to dismantle the tube bank, need use loader or crane to carry out the compulsory pulling and draw and just can pull out, both damaged equipment easily and have the potential safety hazard again.
SUMMERY OF THE UTILITY MODEL
For solving reboiler in pulping papermaking field now after long-term operation, can't judge inside whether scale deposit, when influencing heat transfer performance's problem and the tube bundle body and dismantling, because the scale layer is thick, dismantle the difficulty, need dismantle by force, not only damaged equipment easily but also there is the problem of potential safety hazard, the utility model provides a reboiler convenient to tube bundle body overhauls and dismantles.
The utility model discloses a realize through following technical scheme.
The utility model provides a reboiler convenient to tube bank body overhauls and dismantles, includes cylindric casing, the protecgulum is installed through the flange to the casing front end, the protecgulum lower extreme is equipped with the import of heating liquid, and the protecgulum upper end is equipped with the export of heating liquid, open the casing rear end has the manhole, the manhole passes through the manhole cover installation and seals, the casing lower extreme is equipped with the moisturizing mouth, and the casing upper end is equipped with steam outlet, installs the tube bank body in the casing. The black liquor gets into from heating liquid import, and the body of managing bundle is to water heating in the casing in the reciprocating cycle to so that the moisture boiling, the vapor of production is discharged from the steam outlet, and the black liquor is discharged from heating liquid outlet, reaches the thermal make full use of black liquor, and the setting of access hole can be convenient for inspect the body scale deposit condition of managing bundle, and the easy access, clearance and the body of being convenient for dismantle the pipe bundle, simple structure, it is simple to use convenient, save the labour, and the security is good, and is with low costs, and the practicality is good.
The utility model discloses a further improvement still, above-mentioned tube bank body rear side is equipped with the weir plate, the casing bottom of weir plate rear side is equipped with the drain, and it has the weir plate hole to open on the weir plate, the weir plate hole passes through the installation of weir plate handhole door and seals. The weir plate can play a role in overflowing, so that the water in the shell is kept at a liquid level, the phenomenon that the boiling is influenced to generate an integral effect due to overhigh liquid level is avoided, floating impurities in the water can overflow out of the weir plate, and the water is discharged through a sewage discharge outlet to purify the water; the arrangement of the weir plate holes can facilitate the entering of operators from the rear access holes, and the tube bundle body is convenient to overhaul.
The utility model discloses a further improvement still, above-mentioned tube bank body includes the tube bank casing of fretwork, be equipped with the heating pipe that interval array distributes in the tube bank casing, the heating pipe passes through front end plate and rear end plate front and back fixed mounting, the rear end plate rear side is equipped with the water conservancy diversion casing. The black liquor heats water through the pipe, so that the purpose of generating steam by boiling water is achieved, the heat exchange effect is good, and the structure is simple.
The utility model discloses a further improvement still, the inside upside 1/4 department of above-mentioned protecgulum and downside 1/4 department all are equipped with horizontally water conservancy diversion baffle, water conservancy diversion casing internal intermediate position is equipped with horizontally water conservancy diversion baffle. The flow guide baffle plate guides the running direction of the black liquor, so that the black liquor flows back and forth in the tube bundle body for two times to exchange heat, and the heat exchange effect is improved.
The utility model discloses a further improvement still, above-mentioned casing upper portion is equipped with detection device. The detection device can be a pressure gauge, a thermometer and a liquid level meter and is used for detecting the steam pressure and the heating temperature in the shell and ensuring good operation parameters.
The utility model discloses a further improvement still, above-mentioned manhole cover and manhole are the articulated installation in upper portion, the weir plate handhole door passes through the fastening bolt installation with the weir plate hole. The dismouting is convenient, provides convenience for the operation personnel get into the inside maintenance of casing.
The utility model has the advantages that: 1. the black liquor in the field of pulping and papermaking is used for heating boiling water to generate heat source steam, so that the heat of the black liquor is fully utilized, 2, the weir plate can keep the water in the shell at a liquid level, the phenomenon that the liquid level is too high to influence boiling to generate an integral effect is avoided, and floating impurities in the water can overflow to achieve the aim of purifying the water quality; 3. due to the arrangement of the overhaul hole and the weir plate hole, the tube bundle body can be conveniently overhauled and disassembled by operators; 4. the heat exchange effect is good, the heat waste is avoided, the structure is simple, the use is simple and convenient, the labor force is saved, the safety is good, the cost is low, and the practicability is good.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the flowing direction of the overheated black liquor according to the embodiment of the present invention.
Fig. 3 is a schematic view of a tube bundle body in a disassembled state according to an embodiment of the present invention.
In the drawings: 1. the shell, 2, protecgulum, 3, manhole, 4, heating liquid import, 5, heating liquid export, 6, flange, 7, the tube bank body, 71, heating pipe, 72, front end plate, 73, back end plate, 74, tube bank casing, 75, water conservancy diversion casing, 8, moisturizing mouth, 9, steam outlet, 10, weir plate, 11, weir plate handhole door, 12, drain, 13, weir plate hole, 14, manhole cover, 15, detection device, 16, jack.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
As shown in the attached drawings, the reboiler convenient for maintaining and disassembling the tube bundle body comprises a cylindrical shell 1, wherein a front cover 2 is installed at the front end of the shell 1 through a flange 6, a heating liquid inlet 4 is formed in the lower end of the front cover 2, a heating liquid outlet 5 is formed in the upper end of the front cover 2, a maintenance hole 3 is formed in the rear end of the shell 1, the maintenance hole 3 is installed and sealed through a maintenance hole cover 14, a water replenishing port 8 is formed in the lower end of the shell 1, a steam outlet 9 is formed in the upper end of the shell 1, and a tube bundle body 7 is installed in the shell 1. The rear side of the tube bundle body 7 is provided with a weir plate 10, the bottom of the shell 1 at the rear side of the weir plate 10 is provided with a sewage discharge outlet 12, a weir plate hole 13 is formed in the weir plate 10, and the weir plate hole 13 is installed and sealed through a weir plate hole cover 11. The access hole cover 14 is hinged with the access hole 3 at the upper part, and the weir plate hole cover 11 and the weir plate hole 13 are installed through fastening bolts.
The tube bundle body 7 includes the tube bundle casing 74 of fretwork, be equipped with the heating pipe 71 that interval array distributes in the tube bundle casing 74, fixed mounting around the heating pipe 71 passes through front end plate 72 and back end plate 73, back end plate 73 rear side is equipped with water conservancy diversion casing 75. Horizontal flow guide partition plates are arranged at the upper side 1/4 and the lower side 1/4 in the front cover 2, and a horizontal flow guide partition plate is arranged in the middle of the inside of the flow guide shell 75.
The upper part of the shell 1 is provided with a detection device 15. The device can be provided with a pressure gauge, a thermometer, a liquid level meter and the like and is used for detecting the steam pressure and the heating temperature in the shell and ensuring good operation parameters.
When the reboiler convenient for maintaining and disassembling the tube bundle body is used, black liquor generated in pulping and papermaking is about more than 150 ℃, water is filled into the shell 1 through the water replenishing port 8, the water is fully contacted with the heating tubes 71 in the tube bundle body 7 until overflowing from the weir plate 10, water flows out of the sewage discharge port 12, then the black liquor is connected to the heating liquid inlet 4, flows from the lower heating tubes 71 to the rear end, is guided by the flow guide partition plate in the flow guide shell 75, flows to the front end, is guided by the upper flow guide partition plate in the front cover 2, flows backwards, and is finally discharged from the heating liquid outlet 5 at the upper end of the front cover 2. The black liquor heats the water outside the heating pipe 71 in the heating pipe 71, so that the water is heated and boiled to generate steam, and the steam is discharged from the steam outlet 9 at the upper part for other occasions to use a heat source, thereby achieving the full utilization of the heat of the black liquor and completing the whole heat exchange process. In the heat exchange process, water is supplemented at any time through the lower water supplementing port 8, the weir plate 10 enables the water to overflow without exceeding a certain height, floating impurities can be removed, and the water is discharged from the sewage discharge port 12.
This reboiler convenient to tube bank body overhauls and dismantles is when overhauing the tube bank body 7, and to the inside moisture of casing 1 and black liquor exhaust, opens rear end manhole cover 14 and weir plate handhole door 11, and the operation personnel can follow manhole 3 and weir plate hole 13 and get into the tube bank body 7 rear side, observes the incrustation scale condition and clears up the incrustation scale. When the tube bundle body 7 needs to be detached, the front cover 2 is opened, the jack 16 is horizontally placed into the inspection hole 3, then the inspection hole cover 14 is closed, a worker is left in the shell 1 to support the jack 16, the rear end of the jack 16 is propped against the inspection hole cover 14, the front end of the jack 16 penetrates through the weir plate hole 13 to be propped against the tube bundle body 7, and the tube bundle body 7 is pushed out of the front end of the shell 1 through the extension of the jack 16. The use is simple and convenient, the labor force is saved, the safety is good, and the cost is low.
This reboiler convenient to tube bank body overhauls and dismantles, simple structure makes things convenient for the operation personnel to overhaul and dismantle the tube bank body, and simple to use is convenient, saves the labour, and the security is good, and is with low costs, and the practicality is good, black liquor heat make full use of, and the heat transfer is effectual, avoids the waste of heat.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative relationships in positions, if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a reboiler convenient to tube bank body overhauls and dismantles, a serial communication port, casing (1) including the cylindric, protecgulum (2) are installed through flange (6) to casing (1) front end, protecgulum (2) lower extreme is equipped with heating liquid import (4), and protecgulum (2) upper end is equipped with heating liquid export (5), open casing (1) rear end has access hole (3), access hole (3) are sealed through access hole lid (14) installation, casing (1) lower extreme is equipped with moisturizing mouth (8), and casing (1) upper end is equipped with steam outlet (9), installs tube bank body (7) in casing (1).
2. The reboiler convenient for maintaining and disassembling the tube bundle body according to claim 1, characterized in that the rear side of the tube bundle body (7) is provided with a weir plate (10), the bottom of the shell (1) at the rear side of the weir plate (10) is provided with a sewage draining outlet (12), a weir plate hole (13) is formed on the weir plate (10), and the weir plate hole (13) is installed and closed through a weir plate hole cover (11).
3. The reboiler for facilitating tube bundle body overhaul and disassembly according to claim 1, wherein the tube bundle body (7) comprises a hollowed tube bundle shell (74), the tube bundle shell (74) is internally provided with heating tubes (71) distributed in a spaced array, the heating tubes (71) are fixedly installed in a front-back direction through a front end plate (72) and a rear end plate (73), and a flow guide shell (75) is arranged at the rear side of the rear end plate (73).
4. The reboiler for facilitating bundle repair and removal according to claim 3, wherein horizontal baffles are provided at the upper side 1/4 and the lower side 1/4 inside the front cover (2), and a horizontal baffle is provided at a middle position inside the guide shell (75).
5. Reboiler for facilitating bundle repair and removal according to claim 1, characterized in that the upper part of the shell (1) is provided with detection means (15).
6. The reboiler for facilitating bundle body overhaul and disassembly according to claim 2, wherein the manhole cover (14) is hinged to the manhole (3) at the upper part, and the weir plate manhole cover (11) and the weir plate manhole (13) are installed by fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181617.9U CN211383815U (en) | 2019-12-06 | 2019-12-06 | Reboiler convenient to tube bank body overhauls and dismantles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181617.9U CN211383815U (en) | 2019-12-06 | 2019-12-06 | Reboiler convenient to tube bank body overhauls and dismantles |
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| Publication Number | Publication Date |
|---|---|
| CN211383815U true CN211383815U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922181617.9U Active CN211383815U (en) | 2019-12-06 | 2019-12-06 | Reboiler convenient to tube bank body overhauls and dismantles |
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| CN (1) | CN211383815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617041A (en) * | 2021-07-21 | 2021-11-09 | 简庄春 | Reboiler for alcohol processing |
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2019
- 2019-12-06 CN CN201922181617.9U patent/CN211383815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617041A (en) * | 2021-07-21 | 2021-11-09 | 简庄春 | Reboiler for alcohol processing |
| CN113617041B (en) * | 2021-07-21 | 2022-11-29 | 邳州市鑫盛创业投资有限公司 | Reboiler for alcohol processing |
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