CN207214033U - Precoated sand heater - Google Patents
Precoated sand heater Download PDFInfo
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- CN207214033U CN207214033U CN201720824042.6U CN201720824042U CN207214033U CN 207214033 U CN207214033 U CN 207214033U CN 201720824042 U CN201720824042 U CN 201720824042U CN 207214033 U CN207214033 U CN 207214033U
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- flower
- shaped annular
- burner
- precoated sand
- fixedly connected
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Abstract
It the utility model is related to a kind of precoated sand heater, more particularly to precoated sand technical field, purpose is that the solution traditional coal efficiency of heating surface is low, and heating is uneven, not enough environmental protection produces the problem of waste gas is more, not only heat energy loss is few for new heater, and firing rate is fast, relative energy-saving, including heating chamber, it is fixedly connected with the burner of heating chamber, flower-shaped annular gear piece is provided with heater chamber, flower-shaped annular gear piece is fixedly connected with circular ring gear by fixing axle, row of tiles on a roof piece is fixedly connected between flower-shaped annular gear piece and circular ring gear；The fire nozzle of burner is deep into heating chamber through the circular hole at circular ring gear center；Power transmission shaft is fixedly connected with by mounting flange in the central through hole of flower-shaped annular gear piece, the motor for driving the flower-shaped annular gear piece and circular ring gear is connected with power transmission shaft, simple in construction, convenient production.
Description
Technical field
It the utility model is related to precoated sand technical field, more particularly to a kind of precoated sand heater.
Background technology
Precoated sand is a kind of casting pattern sand, and its production process is to add latent curing with thermoplastic phenolic resin
Precoated sand is made by certain coating technique in agent (methenamine) and lubricant, and sand grain surface is wrapped in when precoated sand is heated
Resin melting, in the presence of the methylene that methenamine decomposites, the resin of melting is rapidly transformed into by linear junction not to be melted
The three-dimensional-structure melted, so that precoated sand curing molding, in the prior art, precoated sand firing equipment have two kinds, one kind uses rolling
Cartridge type heats, and its shortcoming is pollution environment, and maintenance rate is high, the heating high cost of precoated sand per ton, and another kind uses electrothermal tube
Directly heat, heater power is big, and its shortcoming is that power consumption is big, and it is low to heat the uneven thermal efficiency.
Traditional precoated sand firing equipment is with external coal combustion, and being transformed into by heat inside heat pipe reaches heat pipe wall
Certain temperature, then heat is transformed on the precoated sand for being attached to tube wall again by heat pipe wall, realizes heating.Shortcoming is that equipment accounts for
Ground area is big；Coal combustion pollution is big, and the big energy-consuming that burns；Firing rate is slow, and thermal losses is relatively more；Heating is not uniform enough.
In view of it is above-mentioned the defects of, the design people is actively subject to research and innovation, to found a kind of precoated sand heater,
Due to its safety and reliability, make it with more the value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of precoated sand heater, in order to solve
The traditional coal efficiency of heating surface is low, and heating is uneven, and not enough environmental protection produces the problem of waste gas is more, and new heater is not only warm
It can be lost less, and firing rate is fast, relative energy-saving.
A kind of precoated sand heater of the utility model, including heating chamber, the burner for being fixedly connected with heating chamber, it is described to add
Flower-shaped annular gear piece is provided with hot device room, flower-shaped annular gear piece is fixedly connected with circular ring gear, the flower-shaped annular by fixing axle
Row of tiles on a roof piece is fixedly connected between gear piece and circular ring gear；The fire nozzle of the burner passes through the circle at the circular ring gear center
Hole is deep into heating chamber；Power transmission shaft is fixedly connected with by mounting flange in the central through hole of the flower-shaped annular gear piece, it is described
The motor for driving the flower-shaped annular gear piece and circular ring gear is connected with power transmission shaft.
Further, gas discharge control machine and air flow control machine, the natural gas are provided with the burner
Flow control machine and air flow control machine are connected to natural gas tube and air hose；Hot sensing is additionally provided with the burner
Device, the heat sensor connect the circuit control system of the burner internal；It is provided with the air tube side-by-side from dynamic point
Firearm, the automatic ignitor connect the circuit control system of the burner internal.
Further, charging aperture and discharging opening are offered in the heating chamber, the charging aperture and discharging opening are equipped with control
Valve processed.
Further, the row of tiles on a roof piece laid out in parallel, number are 30.
Further, the number of the heat sensor is 2, and be centrosymmetric distribution.
By such scheme, the utility model at least has advantages below：This new heater not only heat energy loss
It is few, and heated by direct-injection, firing rate is fast, relative energy-saving, and the natural gas that burns is relatively more environmentally friendly, by directly spraying
Fire contact mixed sand, sand homogeneous heating is then raised by (row of tiles on a roof) similar agitator arm rotation, reduces thermal loss.Relatively
In the case of produce a certain amount of precoated sand product, then heat energy and electric energy loss are less；Overall structure is simple, occupation area of equipment
Small, convenient production, burner is automatically adjusted fire amount size, is reached the automatic cutoff of the design temperature upper limit, reached by electric-control system
It lowest temperature automatic ignition, can ensure that sand temperature is stable, precoated sand stability will not be influenceed because sand temperature is too high.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model precoated sand heater；
Fig. 2 is sand device structural representation in Fig. 1；
Fig. 3 is the front view of sand device in Fig. 1；
Fig. 4 is the cross-sectional view of precoated sand heater.
In figure：1st, flower-shaped annular gear piece, 2, circular ring gear, 3, row of tiles on a roof piece, 4, fixing axle, 5, mounting flange, 6, motor,
7th, power transmission shaft, 8, burner, 9, air hose, 10, natural gas tube, 11, fire nozzle, 12, automatic ignitor, 13, heat sensor,
14th, gas discharge control machine, 15, air flow control machine.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Referring to Fig. 1 to Fig. 4, the operation principle of the utility model precoated sand heater is as follows：
A kind of precoated sand heater of the utility model, including heating chamber, the burner 8 for being fixedly connected with heating chamber, it is described
Flower-shaped annular gear piece 1 is provided with heater chamber, flower-shaped annular gear piece 1 is fixedly connected with circular ring gear 2, the flower by fixing axle 4
Row of tiles on a roof piece 3 is fixedly connected between shape annular gear piece 1 and circular ring gear 2；The fire nozzle 11 of the burner 8 passes through the circle
The circular hole at the center of ring gear 2 is deep into heating chamber；Fixed and connected by mounting flange 5 in the central through hole of the flower-shaped annular gear piece 1
Power transmission shaft 7 is connected to, the motor 6 for driving the flower-shaped annular gear piece 1 and circular ring gear 2 is connected with the power transmission shaft 7.
Gas discharge control machine 14 and air flow control machine 15, the gas discharge control are provided with burner 8
Machine 14 and air flow control machine 15 are connected to natural gas tube 10 and air hose 9；Hot sensing is additionally provided with the burner 8
Device 13, the heat sensor 13 connect the circuit control system of the burner internal；Locate to be provided with certainly side by side in the air hose 9
Dynamic point firearm 12, the automatic ignitor 12 connect the circuit control system of the burner internal.
Charging aperture and discharging opening are offered in heating chamber, the charging aperture and discharging opening are equipped with control valve.Row of tiles on a roof piece 3 is simultaneously
Row arrangement, number are 30.The number of the heat sensor 13 is 2, and be centrosymmetric distribution.
Not only heat energy loss is few for new heater, and is heated by direct-injection, and firing rate is fast, relative energy-saving, and
And burning natural gas is relatively more environmentally friendly, mixed sand is contacted by direct flame, then revolved by (row of tiles on a roof) similar agitator arm
Turn to raise sand and cause homogeneous heating, reduce thermal loss.A certain amount of precoated sand product is produced under relative case, then heat energy and electric energy
It is lost less.
Neat gas burner (is made up of, burner passes through sensor transmissions temperature number automatic ignitor, fire nozzle, mechanism of qi
The automatic cutoff of the design temperature upper limit is reached, at a temperature of arrival according to temperature automatic adjustment fire amount size according to micro computer, micro computer
Limit automatic ignition, can ensure that sand temperature is stable, will not be because of the too high influence precoated sand stability of sand temperature), sand device is (by flower-shaped annular tooth
Piece 1, fixing axle 4, circular ring gear 2 and row of tiles on a roof piece 3 form).Neat gas burner 8 is fixed by flange to be connected with heating chamber tapered portion
Connect, wherein burner fire nozzle is deep into heating chamber, and mixed sand is heated by natural gas flame of burning into combustion chamber.
In addition motor 6 is connected by power transmission shaft 7 with raising the middle part of sand device, drives the rotation of sand device middling speed so that sand
Row of tiles on a roof 3 on device kicks up mixed sand, thus mixed sand can uniformly be contacted with fire, reduces thermal loss, heats simultaneously
Also compare traditional approach evenly, improve production efficiency and quality.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of precoated sand heater, including heating chamber, the burner (8) for being fixedly connected with heating chamber, it is characterised in that：Heating
Flower-shaped annular gear piece (1) is provided with device room, flower-shaped annular gear piece (1) is fixedly connected with circular ring gear (2), institute by fixing axle (4)
State and row of tiles on a roof piece (3) is fixedly connected between flower-shaped annular gear piece (1) and circular ring gear (2)；The fire nozzle of the burner (8)
(11) circular hole through circular ring gear (2) center is deep into heating chamber；In the central through hole of the flower-shaped annular gear piece (1)
Power transmission shaft (7) is fixedly connected with by mounting flange (5), the driving flower-shaped annular gear piece is connected with the power transmission shaft (7)
(1) with the motor (6) of circular ring gear (2).
2. precoated sand heater according to claim 1, it is characterised in that：Natural gas is provided with the burner (8)
Flow control machine (14) and air flow control machine (15), the gas discharge control machine (14) and air flow control machine
(15) natural gas tube (10) and air hose (9) are connected to；Heat sensor (13) is additionally provided with the burner (8), it is described
Heat sensor (13) connects the circuit control system of the burner internal；Locate to be provided with from dynamic point side by side in the air hose (9)
Firearm (12), the automatic ignitor (12) connect the circuit control system of the burner internal.
3. precoated sand heater according to claim 1, it is characterised in that：Offered in the heating chamber charging aperture and
Discharging opening, the charging aperture and discharging opening are equipped with control valve.
4. precoated sand heater according to claim 1, it is characterised in that：Row of tiles on a roof piece (3) laid out in parallel, number
For 30.
5. precoated sand heater according to claim 2, it is characterised in that：The number of the heat sensor (13) is 2
Individual, be centrosymmetric distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720824042.6U CN207214033U (en) | 2017-07-07 | 2017-07-07 | Precoated sand heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720824042.6U CN207214033U (en) | 2017-07-07 | 2017-07-07 | Precoated sand heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207214033U true CN207214033U (en) | 2018-04-10 |
Family
ID=61812747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720824042.6U Active CN207214033U (en) | 2017-07-07 | 2017-07-07 | Precoated sand heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207214033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590432A (en) * | 2019-01-31 | 2019-04-09 | 宁波华铸环保科技有限公司 | A kind of precoated sand production line |
| CN109676082A (en) * | 2019-01-31 | 2019-04-26 | 宁波华铸环保科技有限公司 | A kind of batch heater |
-
2017
- 2017-07-07 CN CN201720824042.6U patent/CN207214033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590432A (en) * | 2019-01-31 | 2019-04-09 | 宁波华铸环保科技有限公司 | A kind of precoated sand production line |
| CN109676082A (en) * | 2019-01-31 | 2019-04-26 | 宁波华铸环保科技有限公司 | A kind of batch heater |
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