CN110867796A - Vertical heater - Google Patents
Vertical heater Download PDFInfo
- Publication number
- CN110867796A CN110867796A CN201911241726.3A CN201911241726A CN110867796A CN 110867796 A CN110867796 A CN 110867796A CN 201911241726 A CN201911241726 A CN 201911241726A CN 110867796 A CN110867796 A CN 110867796A
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- Prior art keywords
- container
- temperature measuring
- box
- junction box
- vertical heater
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- 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.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
According to the vertical heater, the inclined wire holder is arranged outside the wire connection box at the tops of the electric heating pipes of the vertical container, the wire holder is arranged in an inclined manner from top to bottom and from outside to inside, and the wire holder is respectively provided with the power line connecting column and the signal line connecting column; a temperature measuring box is arranged below the outer part of the container, the shell of the temperature measuring box is fixedly arranged and supported on the outer side surface of the support through a support rod, and a signal wire connecting column is connected to the temperature measuring box through a temperature measuring cable; the junction box surface is provided with the hot plate, heats the junction box through the hot plate, prevents that the junction box from gathering the comdenstion water, and the slope connection terminal can prevent to gather the rainwater dust, and the temperature measurement case is installed in the container lower part, is convenient for observe the real-time supervision result, and is separated by a section distance with the junction box, realizes strong and weak electricity and separates the installation, avoids detecting signal to receive the interference, and the testing result is inaccurate, and control effect is good, long service life, and the operation is reliable and stable.
Description
Technical Field
The present invention relates to a vertical heater.
Background
The electric heater is generally in a high-temperature working environment in the operation process, particularly, a junction box of the vertical heater is usually positioned above the electric heating pipe, heat in the working process of the electric heating pipe is transferred upwards, moisture in the air is easy to accumulate on the shell of the junction box due to condensation, the junction box is corroded, even permeates into the junction box to influence the electric performance, and the operation reliability of the electric heater is reduced; the wire holder is also easy to be accumulated by rainwater and dust to influence the reliability of electrical connection; real-time monitoring parameters such as temperature, pressure and the like in the operation process of the electric heater are also easily interfered by strong electric line operation factors, so that the detection result is inaccurate, and the control effect is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vertical heater which can prevent rainwater and dust from accumulating, improve the detection precision of system operation parameters, and has simple structure and stable and reliable operation.
The vertical heater comprises a vertical container, wherein a plurality of electric heating pipes are arranged in the container along the vertical direction, the upper sections of the electric heating pipes are fixedly connected into an integral structure through a pipe plate, and a temperature measuring element is arranged at the center of the pipe plate; the tube plate is fixedly connected to a flange at the opening part of the container, the upper ends of the electric heating tubes are connected with a junction box, the upper part of one side of the outer wall of the container is fixedly connected with an inlet flange, the lower part of the other side of the outer wall of the container is fixedly connected with an outlet flange, and the bottom of the container is fixedly installed and supported through a support; the method is characterized in that: an inclined wire holder is arranged outside the power supply wire box, the wire holder is arranged in an inclined manner from top to bottom and from outside to inside, and a power line connecting column for supplying power to the electric heating pipe and a signal line connecting column connected to the temperature measuring element are respectively arranged on the wire holder; a temperature measuring box is arranged below the outer part of the container, the shell of the temperature measuring box is fixedly arranged and supported on the outer side surface of the support through a support rod, and a signal wire connecting column is connected to the temperature measuring box through a temperature measuring cable; the outer surface of the junction box is provided with a heating plate, the heating plate is connected with a temperature control switch capable of controlling the heating temperature and the running state of the heating plate, and the control range of the temperature control switch is 0-120 degrees;
a steel pipe is arranged between the wire holder and the temperature measuring box, and the temperature measuring cable penetrates through the inner cavity of the steel pipe from the signal wire connecting column and is laid to the temperature measuring box; the upper section of the steel pipe is fixedly supported and connected to the pipe plate through a bracket;
a separation structure is arranged between the temperature measuring box and the container, and the temperature measuring box is fixedly supported and installed through the lower end of the steel pipe;
the temperature measuring box is fixedly supported in the middle of the outer wall of the container through a hoop, and the lower end of the steel pipe is fixedly arranged on the temperature measuring box;
a drain outlet is formed in the bottom of the container and connected with an exhaust valve;
a stainless steel graphite gasket is arranged between the tube plate and the flange at the opening part of the container;
a heat insulation layer extending upwards from the upper surface of the tube plate is arranged above the tube plate, a first lifting lug is arranged at the edge of the tube plate, a second lifting lug is arranged at the middle upper part of the outer wall of the container, and a nameplate support is fixedly arranged at the middle part of the outer wall of the container;
the two sides of the outside of the junction box, which are perpendicular to the junction base at an angle of 90 degrees, are respectively provided with a nitrogen interface;
the wire holder is a detachable threading plate, and the temperature measuring element is a K-type double-branch thermocouple;
the top end of the junction box is provided with a wiring cover capable of being opened or closed and locked, and the middle part above the wiring cover is fixedly connected with a handle.
According to the vertical heater, the junction box is heated through the heating plate, so that condensed water is prevented from being accumulated in the junction box, the inclined junction box can prevent rainwater and dust from being accumulated, the temperature measuring box is arranged at the lower part of the container, so that a real-time monitoring result can be observed conveniently, the temperature measuring box is separated from the junction box by a certain distance, strong and weak electricity is installed in a separated mode, a detection signal is prevented from being interfered, the detection precision of system operation parameters is improved, the structure is simple, the control effect is good, the service life is long, and the operation.
Drawings
FIG. 1 is a schematic plan view of a vertical heater according to an embodiment of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 3 is a schematic plan view of a vertical heater top junction box grid arrangement according to an embodiment of the present invention;
FIG. 4 is a schematic plan view of a semi-sectional structure of a vertical heater according to an embodiment of the present invention.
Detailed Description
As shown in the figure, the outer shell of the vertical heater adopts a vertical container 19 made of Q345R material, a plurality of electric heating pipes 16 are arranged in the inner cavity of the container 19 along the vertical direction, the upper sections of the plurality of electric heating pipes 16 are fixedly connected into an integral structure through a pipe plate 10, a temperature measuring element 6 is arranged at the center of the pipe plate 10, and the temperature measuring element is a K-type double-branch thermocouple; the tube plate 10 is fixedly connected to a flange 11 at the opening part of the container 19, the upper ends of the electric heating tubes 16 are connected with a junction box 4 made of Q235A material, the upper part of one side of the outer wall of the container 19 is fixedly connected with an inlet flange N1, the lower part of the other side of the outer wall is fixedly connected with an outlet flange N2, and the bottom of the container 19 is fixedly installed and supported through a support 21; the first lifting lugs 24 made of Q235 materials are symmetrically arranged on two sides of the edge of the tube plate 10, the electric heating core can be integrally pulled out from the opening of the container 19 through the first lifting lugs 24, a 2100mm core-pulling overhaul space is reserved above the heater during fixed installation, and the device is strictly forbidden to be used as a heat-insulating facility in an upward space of the tube plate when being used as a whole heat-insulating layer.
But the electric heating tube 16 is provided with a heat insulating layer 9 extending upward from the upper surface of the tube sheet 10 outside the cold zone above the tube sheet 10 to ensure heating efficiency; a second lifting lug 15 made of Q235 material is arranged at the middle upper part of the outer wall of the container 19, and the whole heater can be lifted and transported through the second lifting lug 15; data plate support 14 of 304 materials of fixed mounting in the middle part of 19 outer walls of container can paste data plates such as specification and model, production information, and data plate support 14 has certain radial height for the surface is pasted to the data plate and is kept away from the container surface, prevents that the data plate from receiving high temperature to influence.
Specifically, an inclined wire holder 2 is arranged outside a power supply wire box 4, the wire holder 2 is made of a genuine 304 and is arranged in an inclined manner from top to bottom and from outside to inside, a panel of the wire holder 2 is a detachable threading plate 25, a power supply wire connecting column 201 is arranged on the upper portion of the detachable threading plate 25 to provide power for an electric heating pipe, and the power supply wire connecting column is a high-temperature-resistant power supply wire inlet hole and comprises three power supply cable holes 2011 and two control cable holes 2012 which are arranged side by side; the lower part of the wire holder 2 is provided with a signal wire connecting post 202, and the inner end of the signal wire connecting post 202 is connected to the temperature measuring element 6; the outside below of container 19 sets up temperature measurement case 18, and signal line spliced pole 202 outer end is connected to temperature measurement case 18 through the temperature measurement cable, and the temperature measurement case is installed in the container lower part, is convenient for observe the real-time supervision result, and is separated by a section distance with the junction box, realizes strong and weak electricity and separates the installation, avoids detecting signal to receive the interference, has improved system operation parameter and has detected the precision, simple structure, and control effect is good, long service life, and the operation is reliable and stable. A heating plate 5 is arranged on the outer surface of the junction box 4, the heating plate 5 is additionally connected with a temperature control switch, the heating temperature and the running state of the heating plate 5 are controlled through the temperature control switch, the control range of the temperature control switch is 0-120 degrees, and the shell of the junction box is heated through the heating plate, so that the junction box is prevented from accumulating condensed water;
further, in the first embodiment, the housing of the temperature measuring box 18 is fixedly mounted and supported on the outer side surface of the support 21 through the support rod 181, the steel tube 26 is arranged between the wire holder 2 and the temperature measuring box 18, and the temperature measuring cable is laid to the temperature measuring box 18 from the signal wire connecting column through the inner cavity of the steel tube 26; the upper section of the steel tube 26 is fixedly supported and connected to the tube plate through a bracket, and the steel tube 26 can also be fixedly supported after surrounding the tube plate for a circle through a hoop, so that the steel tube 26 has a certain distance from the tube plate and the container, and the signal transmission of the temperature measuring cable is prevented from being influenced by high temperature; when the core is pulled, the joint between the temperature measuring cable and the temperature measuring box is disassembled, and the steel pipe can be pulled and maintained together with the electric heater;
in the second embodiment, a disconnection structure is arranged between the temperature measuring box 18 and the container 19, the temperature measuring box 18 is fixedly supported and installed through the lower end of the steel pipe 26, and the temperature measuring box is drawn out along with the electric heater during core pulling, so that the convenience of core pulling maintenance is further improved.
In the third embodiment, the temperature measuring box 18 can be fixedly supported in the middle of the outer wall of the container through the hoop, the lower end of the steel pipe is fixedly arranged on the temperature measuring box, the joint of the temperature measuring cable and the wire holder needs to be disassembled when core pulling is carried out, and operation difficulty exists to a certain extent when core pulling is carried out for maintenance;
still further, a sewage outlet N3 is arranged at the bottom of the container 19, and a sewage outlet N3 is connected with the exhaust valve 22, so that sewage discharge and cleaning are facilitated.
And a stainless steel graphite gasket is arranged between the tube plate 10 and the container opening flange 11, so that stable and reliable operation is ensured.
The two sides of the outside of the junction box, which are perpendicular to the junction box at 90 degrees, are respectively provided with a nitrogen interface N4\ N5, so that nitrogen charging protection is facilitated;
set up wiring lid 1 on the top of junction box, wiring lid top middle part fixedly connected with handle to open or close locking, erection joint convenient operation.
According to the vertical heater, the junction box is heated through the heating plate, so that condensed water is prevented from being accumulated in the junction box, the inclined junction box can prevent rainwater and dust from being accumulated, the temperature measuring box is arranged at the lower part of the container, so that a real-time monitoring result can be observed conveniently, the temperature measuring box is separated from the junction box by a certain distance, strong and weak current separated installation is realized, a detection signal is prevented from being interfered, the detection result is inaccurate, the control effect is good, the service life is long, and the operation is stable and reliable.
Claims (10)
1. A vertical heater comprises a vertical container, wherein a plurality of electric heating pipes are arranged in the container along the vertical direction, the upper sections of the electric heating pipes are fixedly connected into an integral structure through a pipe plate, and a temperature measuring element is arranged at the center of the pipe plate; the tube plate is fixedly connected to a flange at the opening part of the container, the upper ends of the electric heating tubes are connected with a junction box, the upper part of one side of the outer wall of the container is fixedly connected with an inlet flange, the lower part of the other side of the outer wall of the container is fixedly connected with an outlet flange, and the bottom of the container is fixedly installed and supported through a support; the method is characterized in that: an inclined wire holder is arranged outside the power supply wire box, the wire holder is arranged in an inclined manner from top to bottom and from outside to inside, and a power line connecting column for supplying power to the electric heating pipe and a signal line connecting column connected to the temperature measuring element are respectively arranged on the wire holder; a temperature measuring box is arranged below the outer part of the container, the shell of the temperature measuring box is fixedly arranged and supported on the outer side surface of the support through a support rod, and a signal wire connecting column is connected to the temperature measuring box through a temperature measuring cable; the junction box surface is provided with the hot plate, and the hot plate is connected with the temperature detect switch that can control hot plate heating temperature and running state, and temperature detect switch control range is 0 ~ 120.
2. The vertical heater according to claim 1, wherein: a steel pipe is arranged between the wire holder and the temperature measuring box, and the temperature measuring cable penetrates through the inner cavity of the steel pipe from the signal wire connecting column and is laid to the temperature measuring box; the upper section of the steel pipe is fixedly supported and connected on the pipe plate through a bracket.
3. The vertical heater according to claim 2, wherein: and a separation structure is arranged between the temperature measuring box and the container, and the temperature measuring box is fixedly supported and installed through the lower end of the steel pipe.
4. The vertical heater according to claim 2, wherein: the temperature measurement box is fixedly supported and arranged in the middle of the outer wall of the container through a hoop, and the lower end of the steel pipe is fixedly arranged on the temperature measurement box.
5. A vertical heater according to any one of claims 1 to 4, wherein: the bottom of the container is provided with a drain outlet which is connected with an exhaust valve.
6. A vertical heater according to any one of claims 1 to 5, wherein: and a stainless steel graphite gasket is arranged between the tube plate and the flange at the opening part of the container.
7. A vertical heater according to any one of claims 1 to 6, wherein: the heat insulation layer extending upwards from the upper surface of the tube plate is arranged above the tube plate, the edge of the tube plate is provided with a first lifting lug, the middle upper part of the outer wall of the container is provided with a second lifting lug, and the middle part of the outer wall of the container is fixedly provided with a nameplate support.
8. A vertical heater according to any one of claims 1 to 7, wherein: and nitrogen interfaces are respectively arranged on two sides of the outside of the junction box, which are perpendicular to the junction box by 90 degrees.
9. The vertical heater according to any one of claims 1 to 8, wherein: the wire holder is a detachable threading plate, and the temperature measuring element is a K-type double-branch thermocouple.
10. The vertical heater according to any one of claims 1 to 9, wherein: the top end of the junction box is provided with a wiring cover capable of being opened or closed and locked, and the middle part above the wiring cover is fixedly connected with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241726.3A CN110867796A (en) | 2019-12-06 | 2019-12-06 | Vertical heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241726.3A CN110867796A (en) | 2019-12-06 | 2019-12-06 | Vertical heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110867796A true CN110867796A (en) | 2020-03-06 |
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ID=69658079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911241726.3A Pending CN110867796A (en) | 2019-12-06 | 2019-12-06 | Vertical heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110867796A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114126105A (en) * | 2021-11-25 | 2022-03-01 | 华能山东石岛湾核电有限公司 | Heat dissipation and heat insulation device of heater and electric heater with same |
-
2019
- 2019-12-06 CN CN201911241726.3A patent/CN110867796A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114126105A (en) * | 2021-11-25 | 2022-03-01 | 华能山东石岛湾核电有限公司 | Heat dissipation and heat insulation device of heater and electric heater with same |
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