CN205156139U - Explosion -proof fan coil pipe - Google Patents
Explosion -proof fan coil pipe Download PDFInfo
- Publication number
- CN205156139U CN205156139U CN201520847546.0U CN201520847546U CN205156139U CN 205156139 U CN205156139 U CN 205156139U CN 201520847546 U CN201520847546 U CN 201520847546U CN 205156139 U CN205156139 U CN 205156139U
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- adopts
- centrifugal blower
- pipe
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an explosion -proof fan coil pipe, including the cold water coil pipe, with inlet tube and outlet pipe, centrifugal fan, return air inlet and the air outlet of cold water coil pipe intercommunication, be equipped with the dc -inverter water pump on the inlet tube, centrifugal fan adopt flame -proof type electric capacity to start single -phase asynchronous motor, explosion -proof composition surface is adopted on centrifugal fan's shell and composition surface preceding, the rear end cap, and stator and centrifugal fan's shell before and, the space position setting between the rear end cap are watered and is sealed explosion -proof layer, the lead wire and centrifugal fan's shell joint position adopts to water and seals the insulating seal structure, and induction coil sets up to water and seals the inoxidizing coating.
Description
Technical field
The utility model belongs to idle call explosion-protection equipment technical field, particularly a kind of explosion-proof fan coil pipe.
Background technology
At present, existing air-cooler is explosion-proof owing to not having, flame proof measure, and the electric elements adopted do not possess explosion prevention function, can not be applied to as coal, mine, petrochemical industry, chemical building material, the heat exchange gas such as methane ethane, chemical fertilizer, the refrigeration that pharmacy etc. are explosion-proof, flame proof requires needs, narrow application range.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, provide firm, the explosion-proof good water-proof effect in a kind of junction, explosion-proof fan coil pipe.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of explosion-proof fan coil pipe, comprise chilled water coil, the water inlet pipe be communicated with chilled water coil and outlet pipe, centrifugal blower, return air inlet and air outlet, described water inlet pipe is provided with DC frequency-changing water pump, described centrifugal blower adopts flame-proof type capacitor start monopole asynchronous motor, the shell of described centrifugal blower and front, the composition surface of rear end cap adopts explosion-proof composition surface, the shell of stator and centrifugal blower and front, position, space between rear end cap arranges encapsulation explosion-proof layer, the housing junction position of lead wire and centrifugal blower adopts encapsulation insulation and sealing structure, induction coil arranges encapsulation overcoat.
Described water inlet pipe and outlet pipe all adopt forged brass structure.
Described chilled water coil adopts plastic-blasting process structure.
Described centrifugal blower adopts low noise rolling bearing.
Described chilled water coil adopts seamless copper tube string to overlap efficient double-turnup aluminium fin and swelling is integral.
The flameproof joint of described fan coil and flame proof thread composition surface are coated with the antirust oil reservoir of 204-I uniformly.
All material system fire-type; Motor adopts low noise rolling bearing, and refuel maintenance without the need to user, service life can reach 35000 hours; Motor major axis is through specially treated non-corroding.
The beneficial effects of the utility model are: the electric spark that its centrifugal motor adopts flame proof process to stop motor interior generation ignites extraneous explosion hazardous gas, the electric spark that switch adopts encapsulation process to stop the generation of electromagnetic switch inside equally ignites extraneous explosion hazardous gas, centrifugal motor wiring adopts double wire system to avoid self chargedly also just avoiding generation electric spark, centrifugal outside motor wiring position prevents short-circuit conditions with explosion-proof clay sealing and causes spark, the housing junction position of described binding post and described centrifugal blower adopts encapsulation insulation and sealing structure, form the centrifugal motivation of explosion-proof type thus, to ignite after stopping the explosion risk gas that inside spark lights in housing the possibility of extraneous explosion environment.Position, space between the shell of described stator and centrifugal blower and forward and backward end cap arranges encapsulation explosion-proof layer, to reduce inner space to reduce the energy after blasting in inside.In order to both ensure the validity that encapsulation explosion-proof layer is explosion-proof, the normal operation of centrifugal motor can be ensured again, described encapsulation explosion-proof layer should protrude the iron core internal circular surfaces 2mm of described stator, and the gap between encapsulation explosion-proof layer and described rotor and main shaft should control within the scope of 3 ~ 4mm.The connection of the power supply wiring of described centrifugal motor changes the mode of connection of existing neutral line electrode by the earthing of casing of centrifugal blower, adopt the double wire system mode of connection be directly connected with power supply, shell by binding post and centrifugal blower is independent, with wire, the negative pole of motor is drawn out to hull outside from the negative terminal of enclosure interior, is connected with the negative line of whole system.Described induction coil arranges encapsulation overcoat.Described encapsulation explosion-proof layer and encapsulation overcoat can adopt explosion-proof clay encapsulation to form.Described water inlet pipe and outlet pipe all adopt forged brass structure. by durable; Described chilled water coil adopts plastic-blasting process structure, non-corrosive.Described centrifugal blower adopts low noise rolling bearing.Described chilled water coil adopts seamless copper tube string to overlap efficient double-turnup aluminium fin and swelling is integral.The flameproof joint of described fan coil and flame proof thread composition surface are coated with the antirust oil reservoir of 204-I uniformly, prevent from getting rusty and then triboelectrification, and fan coil housing adopts fire-type structure; Motor adopts low noise rolling bearing, and refuel maintenance without the need to user, service life can reach 35000 hours; Motor major axis is through specially treated non-corroding.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Embodiment 1: as shown in Figure 1, a kind of explosion-proof fan coil pipe, comprise chilled water coil 4, the water inlet pipe 1 be communicated with chilled water coil and outlet pipe 2, centrifugal blower 5, return air inlet and air outlet 6, described water inlet pipe 1 is provided with DC frequency-changing water pump, described centrifugal blower 5 adopts flame-proof type capacitor start monopole asynchronous motor, 5 shells 3 of described centrifugal blower are with front, the composition surface of rear end cap adopts explosion-proof composition surface, the shell of stator and centrifugal blower and front, position, space between rear end cap arranges encapsulation explosion-proof layer, the housing junction position of lead wire and described centrifugal blower adopts encapsulation insulation and sealing structure, induction coil arranges encapsulation overcoat.
Described water inlet pipe 3 and outlet pipe 4 all adopt forged brass structure, reliability and durability;
Described chilled water coil adopts plastic-blasting process structure, non-corrosive.
Described centrifugal blower adopts low noise rolling bearing.
Described chilled water coil adopts seamless copper tube string to overlap efficient double-turnup aluminium fin and swelling is integral.
The flameproof joint of described fan coil and flame proof thread composition surface are coated with the antirust oil reservoir of 204-I uniformly.
The beneficial effects of the utility model are: the electric spark that its centrifugal motor adopts flame proof process to stop motor interior generation ignites extraneous explosion hazardous gas, the electric spark that switch adopts encapsulation process to stop the generation of electromagnetic switch inside equally ignites extraneous explosion hazardous gas, centrifugal motor wiring adopts double wire system to avoid self chargedly also just avoiding generation electric spark, centrifugal outside motor wiring position prevents short-circuit conditions with explosion-proof clay sealing and causes spark, the housing junction position of described binding post and described centrifugal blower adopts encapsulation insulation and sealing structure, form the centrifugal motivation of explosion-proof type thus, to ignite after stopping the explosion risk gas that inside spark lights in housing the possibility of extraneous explosion environment.Position, space between the shell of described stator and centrifugal blower and forward and backward end cap arranges encapsulation explosion-proof layer, to reduce inner space to reduce the energy after blasting in inside.In order to both ensure the validity that encapsulation explosion-proof layer is explosion-proof, the normal operation of centrifugal motor can be ensured again, described encapsulation explosion-proof layer should protrude the iron core internal circular surfaces 2mm of described stator, and the gap between encapsulation explosion-proof layer and described rotor and main shaft should control within the scope of 3 ~ 4mm.The connection of the power supply wiring of described centrifugal motor changes the mode of connection of existing neutral line electrode by the earthing of casing of centrifugal blower, adopt the double wire system mode of connection be directly connected with power supply, shell by binding post and centrifugal blower is independent, with wire, the negative pole of motor is drawn out to hull outside from the negative terminal of enclosure interior, is connected with the negative line of whole system.Described induction coil arranges encapsulation overcoat.Described encapsulation explosion-proof layer and encapsulation overcoat can adopt explosion-proof clay encapsulation to form.Described water inlet pipe and outlet pipe all adopt forged brass structure. by durable; Described chilled water coil adopts plastic-blasting process structure, non-corrosive.Described centrifugal blower adopts low noise rolling bearing.Described chilled water coil adopts seamless copper tube string to overlap efficient double-turnup aluminium fin and swelling is integral.The flameproof joint of described fan coil and flame proof thread composition surface are coated with the antirust oil reservoir of 204-I uniformly, prevent from getting rusty and then triboelectrification, and fan coil housing adopts fire-type structure; Motor adopts low noise rolling bearing, and refuel maintenance without the need to user, service life can reach 35000 hours; Motor major axis is through specially treated non-corroding.
Claims (6)
1. an explosion-proof fan coil pipe, comprise chilled water coil, the water inlet pipe be communicated with chilled water coil and outlet pipe, centrifugal blower, return air inlet and air outlet, it is characterized in that: described water inlet pipe is provided with DC frequency-changing water pump, described centrifugal blower adopts flame-proof type capacitor start monopole asynchronous motor, the shell of described centrifugal blower and front, the composition surface of rear end cap adopts explosion-proof composition surface, the shell of stator and centrifugal blower and front, position, space between rear end cap arranges encapsulation explosion-proof layer, the housing junction position of lead wire and centrifugal blower adopts encapsulation insulation and sealing structure, induction coil arranges encapsulation overcoat.
2. explosion-proof fan coil pipe as claimed in claim 1, is characterized in that: described water inlet pipe and outlet pipe all adopt forged brass structure.
3. explosion-proof fan coil pipe as claimed in claim 2, is characterized in that: chilled water coil adopts plastic-blasting process structure.
4. explosion-proof fan coil pipe as claimed in claim 3, is characterized in that: centrifugal blower adopts low noise rolling bearing.
5. explosion-proof fan coil pipe as claimed in claim 4, is characterized in that: chilled water coil adopts seamless copper tube string to overlap efficient double-turnup aluminium fin and swelling is integral.
6. explosion-proof fan coil pipe as claimed in claim 5, is characterized in that: the flameproof joint of fan coil and flame proof thread composition surface are coated with the antirust oil reservoir of 204-I uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520847546.0U CN205156139U (en) | 2015-10-29 | 2015-10-29 | Explosion -proof fan coil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520847546.0U CN205156139U (en) | 2015-10-29 | 2015-10-29 | Explosion -proof fan coil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205156139U true CN205156139U (en) | 2016-04-13 |
Family
ID=55691826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520847546.0U Expired - Fee Related CN205156139U (en) | 2015-10-29 | 2015-10-29 | Explosion -proof fan coil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205156139U (en) |
-
2015
- 2015-10-29 CN CN201520847546.0U patent/CN205156139U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |