CN201772942U - Dedicated multipoint thermocouple for coal gasification device - Google Patents
Dedicated multipoint thermocouple for coal gasification device Download PDFInfo
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- CN201772942U CN201772942U CN2010205106870U CN201020510687U CN201772942U CN 201772942 U CN201772942 U CN 201772942U CN 2010205106870 U CN2010205106870 U CN 2010205106870U CN 201020510687 U CN201020510687 U CN 201020510687U CN 201772942 U CN201772942 U CN 201772942U
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- cutting ferrule
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Abstract
The utility model relates to a dedicated multipoint thermocouple for a coal gasification device, which comprises a junction box, a protective sleeve, a flange and a plurality of temperature measurement cores, wherein the upper end of the protective sleeve is fixedly connected with the junction box through a thermocouple head connector; a detection valve is arranged on the thermocouple head connector; the detection valve is communicated with the interior of the protective sleeve; a sealing device is arranged inside the thermocouple head connector; the sealing device comprises an upper hold-down bolt, a sealing bolt and a lower hold-down bolt; a boss is radially and coaxially arranged on the inner wall of the thermocouple head connector; the upper hold-down bolt, a pressure pad and a graphite sealing gasket are sleeved from top to bottom on the sealing bolt; the outer wall of the upper hold-down bolt is connected with the inner wall of the upper end of the thermocouple head connector in an engaged manner and compresses the graphite sealing gasket on the boss through the pressure pad; the lower end of the sealing bolt is connected with the lower hold-down bolt in an engaged manner; and a polytetrafluoroethene sealing gasket is arranged between the sealing bolt and the lower hold-down bolt. The utility model has the advantages of simple structure, scientific and reasonable design, good seal performance and safety and long service life, and is convenient for assembly and disassembly.
Description
Technical field
The utility model belongs to area of thermocouples, the special-purpose multiple spot thermopair of especially a kind of coal gasification apparatus.
Background technology
Coal gasification apparatus is used very extensive; need thermopair during medium temperature in measuring coal gasification apparatus; because the temperature in the coal gasification apparatus generally can reach about 1000 ℃; and mostly medium is flammable explosive gas; so the thermopair sealing property of measuring coal gasification apparatus is had relatively high expectations; the thermopair of using on the coal gasification apparatus is by terminal box at present; a plurality of thermometric core bodys; protective casing; flange constitutes; a plurality of thermometric core bodys are generally bolt and the sealing gasket of armouring by separately and are fixed on the flange; protective casing is sleeved on a plurality of thermometric core bodys top; protective casing one end connects terminal box; other end joint flange; this kind structure is after the thermometric core body damages; flammable explosive gas enters terminal box by thermometric core body inside, sets off an explosion easily, has potential safety hazard.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of coal gasification apparatus special-purpose multiple spot thermopair, this thermopair sealing and security better, easy accessibility, long service life, operational reliability height.
The utility model solves its technical matters and is achieved through the following technical solutions:
The special-purpose multiple spot thermopair of a kind of coal gasification apparatus, comprise terminal box, protective casing, flange and a plurality of thermometric core body, the flange that protective casing lower end and flange center make directly installs, flange is shaped on the pass through hole identical with a plurality of thermometric core body quantity on the footpath, the thermometric core body passes the hole of passing through on the flange footpath, and be packed on the flange footpath in the protective casing by cutting ferrule screw thread external member, its protective casing upper end installs by one even web member and terminal box, be equipped with one on even the web member and detect valve, this detects valve and protective casing internal communication; In even the web member packoff is installed, the sealing device comprises hold-down bolt, sealing bolt and following hold-down bolt, even the radially coaxial boss that is shaped on of web member inwall, last hold-down bolt, pressure pad and graphite grazing pad are sleeved on the sealing bolt from top to bottom successively, last hold-down bolt outer wall and even web member upper end inwall are connected with a joggle and compress graphite grazing pad above the boss by pressure pad, the sealing bolt lower end engages connects hold-down bolt down, and a poly-polytetrafluoroethylsealed sealed pad is installed between sealing bolt and following hold-down bolt.
And, be filled with the sealing high-temp glue in the described sealing bolt.
And, described cutting ferrule screw thread external member comprises clamping screw, pressure ring, the lock sealing pad, the cutting ferrule body of bolt, the cutting ferrule nuts, the cutting ferrule core, outer wall suit one clamping screw at the thermometric core body, the bottom of this clamping screw be connected with a joggle by the hole, suit one pressure ring and lock sealing pad on the thermometric core body between the upper inside wall of this clamping screw and the thermometric core body outer wall, and the cutting ferrule body of bolt by suit on the thermometric core body of clamping screw top and clamping screw are connected with a joggle and compress the lock sealing pad, the cutting ferrule body of bolt upper end cutting ferrule nuts that is connected with a joggle is equipped with the cutting ferrule core between the cutting ferrule body of bolt and cutting ferrule nuts.
And the thermometric core body upper end in the described protective casing is fixed with the cold junction protective sleeve, is filled with the cold junction high-temp glue in the cold junction protective sleeve, and the thermometric core body connects terminal box by flexible cord.
And the flexible cord in the described protective casing is provided with the grafting joint.
Advantage of the present utility model and beneficial effect are:
1, the protective casing upper end of the special-purpose multiple spot thermopair of this coal gasification apparatus installs by one even web member and terminal box, is equipped with one on even the web member and detects valve, and this detects valve and protective casing internal communication; In even the web member packoff is installed; the sealing device comprises hold-down bolt; sealing bolt and following hold-down bolt; even the radially coaxial boss that is shaped on of web member inwall; last hold-down bolt; pressure pad and graphite grazing pad are sleeved on the sealing bolt from top to bottom successively; last hold-down bolt outer wall and even web member upper end inwall are connected with a joggle and compress graphite grazing pad above the boss by pressure pad; the sealing bolt lower end engages connects hold-down bolt down; one poly-polytetrafluoroethylsealed sealed pad is installed between sealing bolt and following hold-down bolt; be filled with the sealing high-temp glue in the sealing bolt; this kind sealing structure performance is good; even the thermometric core body damages; flammable explosive gas can not enter in the terminal box yet; improved the security of using; and can monitor the state of thermopair in real time by the detection valve on the protective casing, in case can handle even unusual condition occurs.
2; the special-purpose multiple spot thermopair of this coal gasification apparatus cutting ferrule screw thread external member comprises clamping screw; pressure ring; the lock sealing pad; the cutting ferrule body of bolt; the cutting ferrule nuts; the cutting ferrule core; outer wall suit one clamping screw at the thermometric core body; the bottom of this clamping screw be connected with a joggle by the hole; suit one pressure ring and lock sealing pad on the thermometric core body between the upper inside wall of this clamping screw and the thermometric core body outer wall; and the cutting ferrule body of bolt by suit on the thermometric core body of clamping screw top and clamping screw are connected with a joggle and compress the lock sealing pad; the cutting ferrule nuts is connected with a joggle on the cutting ferrule body of bolt; between the cutting ferrule body of bolt and cutting ferrule nuts, the cutting ferrule core is installed; flexible cord in the protective casing is provided with the grafting joint; this kind structure can be changed by single thermometric core body; make things convenient for the dismounting of thermometric core body; save servicing time, improved the efficient of maintenance maintenance.
3, the thermometric core body upper end in the special-purpose multiple spot thermocouple protective casing of this coal gasification apparatus is fixed with the cold junction protective sleeve; be filled with the cold junction high-temp glue in the cold junction protective sleeve; the thermometric core body connects terminal box by flexible cord, high-temp glue the security that has improved the thermometric core body is set.
4, the utility model is simple in structure, design science is reasonable, sealing and security better, easy accessibility, long service life, be the special-purpose multiple spot thermopair of the high coal gasification apparatus of a kind of operational reliability.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the B portion enlarged drawing of Fig. 1.
Embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
The special-purpose multiple spot thermopair of a kind of coal gasification apparatus, comprise terminal box 1, protective casing 5, flange 8 and a plurality of thermometric core body 9, this terminal box can be anti-explosion terminal box, protective casing is a steel, the quantity of a plurality of thermometric core bodys can be N, 1≤N≤20, thermometric core body quantity shown in the present embodiment accompanying drawing 1 is 3, the flange footpath 6 that protective casing lower end and flange center make installs, be shaped on identical with a plurality of thermometric core body quantity hole 7 of passing through on the flange footpath, the thermometric core body passes the hole of passing through on the flange footpath, and be packed on the flange footpath in the protective casing by cutting ferrule screw thread external member, cutting ferrule screw thread external member comprises clamping screw 26, pressure ring 24, lock sealing pad 25, the cutting ferrule body of bolt 23, cutting ferrule nuts 21, cutting ferrule core 22, outer wall suit one clamping screw at the thermometric core body, the bottom of this clamping screw be connected with a joggle by the hole, suit one pressure ring and lock sealing pad on the thermometric core body between the upper inside wall of this clamping screw and the thermometric core body outer wall, and the cutting ferrule body of bolt by suit on the thermometric core body of clamping screw top and clamping screw are connected with a joggle and compress the lock sealing pad, the cutting ferrule nuts is connected with a joggle on the cutting ferrule body of bolt, between the cutting ferrule body of bolt and cutting ferrule nuts, the cutting ferrule core is installed, thermometric core body upper end in the protective casing is fixed with cold junction protective sleeve 20, be filled with cold junction high-temp glue 19 in the cold junction protective sleeve, the thermometric core body connects terminal box by flexible cord 4, flexible cord in the protective casing is provided with grafting joint 18, also can the suit cutting ferrule body of bolt in the lower end of thermometric core body, the combination of cutting ferrule nuts and cutting ferrule core is used for being connected of thermometric core body and tested device, its protective casing upper end installs by one even web member 2 and terminal box, be equipped with one on even the web member and detect valve 3, this detects valve and protective casing internal communication; In even the web member packoff is installed, the sealing device comprises hold-down bolt 10, sealing bolt 15 and following hold-down bolt 17, even the radially coaxial boss 14 that is shaped on of web member inwall, last hold-down bolt, pressure pad 12 and graphite grazing pad 13 are sleeved on the sealing bolt from top to bottom successively, last hold-down bolt outer wall and even web member upper end inwall are connected with a joggle and compress graphite grazing pad above the boss by pressure pad, the sealing bolt lower end engages connects hold-down bolt down, one poly-polytetrafluoroethylsealed sealed pad 16 is installed between sealing bolt and following hold-down bolt, is filled with sealing high-temp glue 11 in the sealing bolt.
Claims (5)
1. the special-purpose multiple spot thermopair of a coal gasification apparatus, comprise terminal box, protective casing, flange and a plurality of thermometric core body, the flange that protective casing lower end and flange center make directly installs, flange is shaped on the pass through hole identical with a plurality of thermometric core body quantity on the footpath, the thermometric core body passes the hole of passing through on the flange footpath, and be packed on the flange footpath in the protective casing by cutting ferrule screw thread external member, it is characterized in that: the protective casing upper end installs by one even web member and terminal box, be equipped with one on even the web member and detect valve, this detects valve and protective casing internal communication; In even the web member packoff is installed, the sealing device comprises hold-down bolt, sealing bolt and following hold-down bolt, even the radially coaxial boss that is shaped on of web member inwall, last hold-down bolt, pressure pad and graphite grazing pad are sleeved on the sealing bolt from top to bottom successively, last hold-down bolt outer wall and even web member upper end inwall are connected with a joggle and compress graphite grazing pad above the boss by pressure pad, the sealing bolt lower end engages connects hold-down bolt down, and a poly-polytetrafluoroethylsealed sealed pad is installed between sealing bolt and following hold-down bolt.
2. the special-purpose multiple spot thermopair of coal gasification apparatus according to claim 1 is characterized in that: be filled with the sealing high-temp glue in the described sealing bolt.
3. the special-purpose multiple spot thermopair of coal gasification apparatus according to claim 1, it is characterized in that: described cutting ferrule screw thread external member comprises clamping screw, pressure ring, the lock sealing pad, the cutting ferrule body of bolt, the cutting ferrule nuts, the cutting ferrule core, outer wall suit one clamping screw at the thermometric core body, the bottom of this clamping screw be connected with a joggle by the hole, suit one pressure ring and lock sealing pad on the thermometric core body between the upper inside wall of this clamping screw and the thermometric core body outer wall, and the cutting ferrule body of bolt by suit on the thermometric core body of clamping screw top and clamping screw are connected with a joggle and compress the lock sealing pad, the cutting ferrule body of bolt upper end cutting ferrule nuts that is connected with a joggle is equipped with the cutting ferrule core between the cutting ferrule body of bolt and cutting ferrule nuts.
4. the special-purpose multiple spot thermopair of coal gasification apparatus according to claim 1; it is characterized in that: the thermometric core body upper end in the described protective casing is fixed with the cold junction protective sleeve; be filled with the cold junction high-temp glue in the cold junction protective sleeve, the thermometric core body connects terminal box by flexible cord.
5. the special-purpose multiple spot thermopair of coal gasification apparatus according to claim 4, it is characterized in that: the flexible cord in the described protective casing is provided with the grafting joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205106870U CN201772942U (en) | 2010-08-31 | 2010-08-31 | Dedicated multipoint thermocouple for coal gasification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205106870U CN201772942U (en) | 2010-08-31 | 2010-08-31 | Dedicated multipoint thermocouple for coal gasification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201772942U true CN201772942U (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205106870U Expired - Lifetime CN201772942U (en) | 2010-08-31 | 2010-08-31 | Dedicated multipoint thermocouple for coal gasification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201772942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994837A (en) * | 2014-06-03 | 2014-08-20 | 浙江伦特机电有限公司 | Multipoint temperature sensor capable of measuring high temperature and low temperature |
| CN104062023A (en) * | 2014-07-21 | 2014-09-24 | 天津市中环温度仪表有限公司 | Multi-branch multi-point thermocouple with sealed cavity |
| CN113138031A (en) * | 2021-05-24 | 2021-07-20 | 山东斯特尔新能源科技有限公司 | Wiring device of high-temperature high-pressure container |
-
2010
- 2010-08-31 CN CN2010205106870U patent/CN201772942U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994837A (en) * | 2014-06-03 | 2014-08-20 | 浙江伦特机电有限公司 | Multipoint temperature sensor capable of measuring high temperature and low temperature |
| CN104062023A (en) * | 2014-07-21 | 2014-09-24 | 天津市中环温度仪表有限公司 | Multi-branch multi-point thermocouple with sealed cavity |
| CN113138031A (en) * | 2021-05-24 | 2021-07-20 | 山东斯特尔新能源科技有限公司 | Wiring device of high-temperature high-pressure container |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |
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| CX01 | Expiry of patent term |