CN210893442U - Bed temperature thermocouple mounting base of CFB boiler furnace - Google Patents
Bed temperature thermocouple mounting base of CFB boiler furnace Download PDFInfo
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- CN210893442U CN210893442U CN201921892068.XU CN201921892068U CN210893442U CN 210893442 U CN210893442 U CN 210893442U CN 201921892068 U CN201921892068 U CN 201921892068U CN 210893442 U CN210893442 U CN 210893442U
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- clamping piece
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- clamping
- thermocouple
- bed temperature
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Abstract
The utility model discloses a CFB boiler furnace's bed temperature thermocouple installation base belongs to circulating fluidized bed boiler technical field. The clamping piece is sleeved on the base body, the base body is hollow, and a cavity and a connecting hole are formed in the base body; the clamping piece comprises a clamping piece I and a clamping piece II, the clamping piece I comprises a clamping part I, and two ends of the clamping part I are provided with fixing parts I with fixing holes; the clamping piece II comprises a clamping part II, and fixing parts II with fixing rods are arranged at two ends of the clamping part II; a through hole for the thermocouple sheath to pass through is formed between the clamping piece I and the clamping piece II; the fixed rod is sleeved with a fixed block for limiting and fastening, and the connecting hole and the fixed hole are matched with the fixed rod. The device has the advantages of reasonable structural design, compact installation, good applicability and convenient operation.
Description
Technical Field
The utility model relates to an installation base especially relates to a CFB boiler furnace's bed temperature thermocouple installation base, belongs to circulating fluidized bed boiler technical field.
Background
The CFB boiler is a full-scale circulating fluidized bed boiler, adopts the clean coal combustion technology with the highest industrialization degree, and is an energy-saving, environment-friendly, safe and reliable boiler. At present, a bed temperature thermocouple mounting base of a CFB boiler furnace is generally of a structure with internal threads, and a thermocouple interface correspondingly adopts external threads so as to be connected and mounted in a threaded manner. However, because the bed temperature thermocouple mounting base of the CFB boiler furnace is welded on the water-cooled wall of the boiler, under the condition that the bed temperature of the CFB boiler furnace is 0-1100 ℃, the scouring force and corrosion of fluidized materials are strong, the thermocouple outer sleeve is easy to bend and deform and nodulate and slag, so that the service life of the furnace bed temperature thermocouple is generally 3-6 months, the bed temperature thermocouple connected by threads is very inconvenient to replace, if the bed temperature thermocouple cannot be replaced in time, the misjudgment of the running condition of the boiler or even the furnace shutdown accident is caused, and therefore the working strength is greatly improved, and the time and the labor are consumed.
In 2014, 04/02, a patent document CN203519181U entitled "thermocouple universal mounting base" was disclosed, wherein a thermocouple universal mounting base capable of adjusting a thermocouple offset phenomenon without disassembly was provided. The utility model discloses an install the eccentric flange of decentraction with it on the base flange, install on the eccentric flange with the concentric sphere seat subassembly of base flange, sphere seat subassembly comprises the sphere between sphere seat gland and sphere seat and the sphere seat gland of cover on the sphere seat, the sphere seat installed on eccentric flange, the inside regulation hole that has a perfect understanding of spheroid. The utility model discloses a mainly through the relative position of adjustment base flange and eccentric flange and the angle of adjustment spherical surface mount pad can adapt to often change the mounted position in certain extent and have the installation requirement of the bayonet erection equipment of certain pressure seal requirement.
In 2012, 08-15, a patent document with publication number CN202382864U and subject name "thermocouple installation and fixing device" was disclosed, wherein the patent document mainly solves the technical problem of breakage and damage of a corundum sleeve of a thermocouple caused by field resonance and other reasons during the use of the existing zinc pot chute thermocouple. The technical scheme of the utility model is that: the thermocouple installation fixing device comprises a base, a vibration suppression body and a pressing cap, wherein the base is a conical cavity, the vibration suppression body is a hollow conical round table with an opening, and the thermocouple respectively penetrates through the pressing cap, the vibration suppression body and the base to be fixed on the zinc pot chute heater body. The utility model is mainly used for installing and fixing the thermocouple of the zinc pot chute to prevent the thermocouple from breaking; and the pressing cap and the base of the mounting and fixing device are fixed in a spiral way.
A patent document having a publication No. CN106248238A entitled "a thermocouple holder for test and method of mounting" was disclosed in 2016, 12, 21, and includes a holder and a heat-insulating member; the fixing piece comprises a semicircular arc-shaped base and a semicircular arc-shaped clamping sleeve, the clamping sleeve and the base are arranged up and down to form a hole for the thermocouple temperature sleeve to pass through, one end of the clamping sleeve is connected with the base through a shaft, and the clamping sleeve and the base can rotate along the shaft; the other end of the clamping sleeve is matched with the base through a buckle to fix the thermocouple; the heat preservation piece is arranged on the thermocouple in a sleeved mode to seal a gap between the thermocouple and the temperature sleeve. The technical scheme is mainly suitable for the test thermocouple.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a bed temperature thermocouple mounting base of a CFB boiler furnace. In the technical scheme, the bed temperature thermocouple is clamped and fixed in an installation mode through the arrangement of the base body, the clamping piece I, the clamping piece II and the like; the device not only solves the technical problem that the bed temperature thermocouple of the hearth of the CFB boiler is difficult to replace due to the trouble of disassembly, but also solves the technical problem that the insertion depth of the bed temperature thermocouple is difficult to adjust. The device has the advantages of reasonable structural design, compact installation, good applicability and convenient operation.
In order to achieve the technical purpose, the following technical scheme is proposed:
a bed temperature thermocouple installation base of a CFB boiler furnace comprises a base body and a clamping piece for fixing a thermocouple, wherein the clamping piece is sleeved on the base body, the base body is hollow, and a cavity for installing the clamping piece and a connecting hole for connecting the clamping piece are formed in the base body;
the clamping piece comprises a clamping piece I and a clamping piece II, the clamping piece I comprises an arc-shaped clamping part I, and two ends of the clamping part I are provided with fixing parts I with fixing holes; the clamping piece II comprises an arc-shaped clamping part II, and fixing parts II with fixing rods are arranged at two ends of the clamping part II; a through hole for the thermocouple sheath to pass through is formed between the clamping piece I and the clamping piece II;
the fixing rod is sleeved with a fixing block for limiting and fastening, and the connecting hole and the fixing hole are matched with the fixing rod.
Preferably, the clamping part I is in a semicircular arc shape, the clamping part II is in a semicircular arc shape, and the diameters of the clamping part I and the clamping part II are equal, so that the thermocouple can be conveniently and stably fixed.
Preferably, clamping part I sets up with I integrated into one piece of fixed part, and clamping part II sets up with II integrated into one piece of fixed part.
Preferably, the fixing rod and the fixing part II are integrally formed.
Preferably, the fixing rod is a screw rod, and the fixing block is a screw cap.
By adopting the technical scheme, the beneficial effects brought are as follows:
1) the base device in the utility model has reasonable structure design and compact installation, and can make the most use of the limited space; meanwhile, the base seat device has good applicability and convenient operation;
2) in the utility model, the length of the warm thermocouple of the bed in the hearth can be reasonably adjusted by loosening or tightening the clamping piece I and the clamping piece II, thereby being more suitable for the working condition environment in the boiler;
3) the base device is easy to operate, greatly reduces the labor intensity of operators and effectively improves the working efficiency;
4) the utility model discloses in, clamping part I sets up with I integrated into one piece of fixed part, and clamping part II sets up with II integrated into one piece of fixed part, and the dead lever sets up with II integrated into one piece of fixed part, should inject the wholeness that effectively improves the device, and then increases the steadiness of thermocouple installation to finally improve the stability of the temperature monitoring process among the CFB boiler furnace.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the base body of the present invention;
FIG. 3 is a top view of the base body of the present invention;
FIG. 4 is a schematic structural view (I) of a clamping member I in the present invention;
FIG. 5 is a schematic structural view (II) of the clamping member I of the present invention;
FIG. 6 is a schematic structural view (I) of a clamping member II of the present invention;
FIG. 7 is a schematic structural view (II) of the clamping member II of the present invention;
FIG. 8 is a schematic view (I) of the nut structure of the present invention;
FIG. 9 is a schematic view of the nut structure of the present invention;
FIG. 10 is a schematic view of an assembled state of the present invention;
the base comprises a base body 1, a cavity 101, a cavity 102 and a connecting hole; 2. the clamping device comprises clamping pieces I, 201, clamping parts I, 202, fixing parts I, 203 and fixing holes; 3. the clamping part II, 301, the clamping part II, 302, the fixing part II, 303 and the fixing rod; 4. a thermocouple; 5. and (5) fixing blocks.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1: a bed temperature thermocouple installation base of a CFB boiler furnace comprises a base body 1 and a clamping piece for fixing a thermocouple 4, wherein the clamping piece is sleeved on the base body 1, as shown in figures 2-3, the base body 1 is hollow, and a cavity 101 for installing the clamping piece and a connecting hole 102 for connecting the clamping piece are formed in the base body 1;
the clamping piece comprises a clamping piece I2 and a clamping piece II 3, and is shown in figures 4-5: the clamping piece I2 comprises an arc-shaped clamping part I201, and fixing parts I202 with fixing holes 203 are arranged at two ends of the clamping part I201; as shown in fig. 6-7, the clamping member ii 3 comprises an arc-shaped clamping part ii 301, and fixing parts ii 302 with fixing rods 303 are arranged at two ends of the clamping part ii 301; a through hole for the sheath of the thermocouple 4 to pass through is formed between the clamping piece I2 and the clamping piece II 3;
the fixing rod 303 is sleeved with a fixing block 5 for limiting and fastening, and the connecting hole 102 and the fixing hole 203 are matched with the fixing rod 303.
Example 2
Based on example 1, further,
the clamping part I201 is in a semicircular arc shape, the clamping part II 301 is in a semicircular arc shape, and the diameters of the clamping part I201 and the clamping part II 301 are equal, so that the thermocouple 4 can be conveniently and stably fixed.
Example 3
Based on example 2, it is further preferred that,
the clamping part I201 and the fixing part I202 are integrally formed, and the clamping part II 301 and the fixing part II 302 are integrally formed; the fixing rod 303 and the fixing part II 302 are integrally formed.
Example 4
Based on example 3, it is further preferred that,
the fixing rod 303 is a screw and the fixing block 5 is a nut (as shown in fig. 8-9).
As shown in fig. 10, when the bed temperature thermocouple 4 of the CFB boiler furnace is installed, the thermocouple 4 firstly penetrates through the hollow inside of the base body 1; then, a screw rod on the clamping piece II 3 penetrates through the connecting hole 102 on the base body 1 and then penetrates through the fixing hole 203 on the clamping piece I2, and a nut is sleeved on the screw rod; and finally, placing the installed thermocouple 4 into a hearth, adjusting the length and the position of the thermocouple 4 through a screw cap, and screwing the screw cap to finish the installation process of the thermocouple 4.
Claims (6)
1. The utility model provides a CFB boiler furnace's bed temperature thermocouple installation base which characterized in that: the thermocouple fixing device comprises a base body (1) and a clamping piece for fixing a thermocouple (4), wherein the clamping piece is sleeved on the base body (1), the base body (1) is hollow, and a cavity (101) for mounting the clamping piece and a connecting hole (102) for connecting the clamping piece are formed in the base body (1);
the clamping piece comprises a clamping piece I (2) and a clamping piece II (3), the clamping piece I (2) comprises an arc-shaped clamping part I (201), and two ends of the clamping part I (201) are provided with fixing parts I (202) with fixing holes (203); the clamping piece II (3) comprises an arc-shaped clamping part II (301), and fixing parts II (302) with fixing rods (303) are arranged at two ends of the clamping part II (301); a through hole for a sheath of the thermocouple (4) to pass through is formed between the clamping piece I (2) and the clamping piece II (3);
the fixing rod (303) is sleeved with a fixing block (5), and the connecting hole (102), the fixing hole (203) and the fixing rod (303) are arranged in a matched mode.
2. The mounting base of a bed temperature thermocouple for a furnace chamber of a CFB boiler of claim 1, wherein: the clamping part I (201) is in a semicircular arc shape, and the clamping part II (301) is in a semicircular arc shape.
3. The mounting base of a bed temperature thermocouple for a furnace chamber of a CFB boiler of claim 1, wherein: clamping part I (201) and fixed part I (202) integrated into one piece set up.
4. A bed temperature thermocouple mounting base for a CFB boiler furnace according to claim 1 or 3, characterised in that: the clamping part II (301) and the fixing part II (302) are integrally formed.
5. The mounting base of a bed temperature thermocouple for a furnace chamber of a CFB boiler of claim 4, wherein: the fixing rod (303) and the fixing part II (302) are integrally formed.
6. The mounting base of a bed temperature thermocouple for a furnace chamber of a CFB boiler of claim 1, wherein: the fixing rod (303) is a screw rod, and the fixing block (5) is a screw cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921892068.XU CN210893442U (en) | 2019-11-05 | 2019-11-05 | Bed temperature thermocouple mounting base of CFB boiler furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921892068.XU CN210893442U (en) | 2019-11-05 | 2019-11-05 | Bed temperature thermocouple mounting base of CFB boiler furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210893442U true CN210893442U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921892068.XU Active CN210893442U (en) | 2019-11-05 | 2019-11-05 | Bed temperature thermocouple mounting base of CFB boiler furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210893442U (en) |
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2019
- 2019-11-05 CN CN201921892068.XU patent/CN210893442U/en active Active
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