CN203051914U - Electromagnetic valve for roasting furnace gas control - Google Patents
Electromagnetic valve for roasting furnace gas control Download PDFInfo
- Publication number
- CN203051914U CN203051914U CN 201320051203 CN201320051203U CN203051914U CN 203051914 U CN203051914 U CN 203051914U CN 201320051203 CN201320051203 CN 201320051203 CN 201320051203 U CN201320051203 U CN 201320051203U CN 203051914 U CN203051914 U CN 203051914U
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- China
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- valve body
- iron core
- furnace gas
- gas control
- roasting furnace
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Abstract
The utility model provides an electromagnetic valve for roasting furnace gas control, wherein the electromagnetic valve for roasting furnace gas control is simple in structure, long in service life and high in safety coefficient, and comprises a valve body. The valve body is composed of an upper valve body, a middle valve body and a lower valve body. A movable iron core is placed in the valve body. The upper valve body is provided with a static iron core. The movable iron core is connected with the static iron core through a reset spring. An air inlet hole is placed on the lower valve body and is sealed by the movable iron core under the action of the reset spring. A junction box is placed outside the upper valve body. A movable iron core shaft sleeve is placed between the movable iron core and the middle valve body. An electromagnetic coil is placed between the movable iron core and the upper valve body, and is electrically connected with an alternating current and direct current switching circuit in the junction box. The electromagnetic valve for roasting furnace gas control is fast in movement reaction, strong in sealing performance, high in security coefficient, long in service life, simple in structure, free of maintenance and capable of working in a zero pressure difference condition and in a micro vacuum condition.
Description
Technical field
The utility model relates to a kind of solenoid valve, especially a kind of roasting furnace gas control special electromagnetic valve.
Background technique
At present, the used solenoid valve of domestic carbon baking furnace has straight dynamic diaphragm structure, guide's membrane type structure, the solenoid valve of this kind structure in use has higher rate of fault, its incident fault is when gaseous-pressure is higher, the diaphragm pressure is bigger, the easy permanent deformation of draught spring or diaphragm are easily stressed excessive and damaged, cause the solenoid valve cisco unity malfunction, its fault shows as that the solenoid valve gas circuit can not be opened or the solenoid valve gas circuit can not be effectively closed and influence the temperature control effect, also can increase operator's maintenance maintenance workload and spare part expense, and can waste energy because the combustion gas gas consumption is excessive, more seriously directly influenced quality and the quality of carbon product.
For effectively preventing the combustion gas waste, reduce gas consumption, improve device security, reduce maintenance cost, improve the carbon product quality, reach the purpose of production process control automation, it is imperative that the gas electromagnetic valve of high reliability is used at carbon baking.
The model utility content
The utility model provides a kind of simple in structure, long service life, roasting furnace gas control special electromagnetic valve that safety coefficient is high.
Realize a kind of roasting furnace gas control special electromagnetic valve of the utility model purpose, comprise the valve body of being formed by upper valve body, middle valve body and following valve body; Be provided with moving iron core in the described valve body, described upper valve body is provided with static iron core, and described moving iron core links to each other with static iron core by Returnning spring; Described valve body down is provided with inlet hole, and described moving iron core seals inlet hole under the effect of Returnning spring; The described upper valve body outside is provided with terminal box, described moving iron core outer with middle valve body between be provided with moving iron core axle sleeve, be provided with electromagnetic coil between described moving iron core and the upper valve body, the interior ac-dc converter circuit of described electromagnetic coil and terminal box is electrically connected.
Be provided with the guiding copper sleeve between described moving iron core and the electromagnetic coil.
Be respectively equipped with first O-ring seal between described upper valve body, middle valve body and the following valve body.
Be respectively equipped with second O-ring seal between described moving iron core and following valve body and the middle valve body.
Between described guiding copper sleeve and middle valve body and the static iron core, be respectively equipped with the 3rd O-ring seal between electromagnetic coil and the middle valve body.
Described upper valve body top is provided with the lifting screw.
Described moving iron core is provided with spiracle.
The beneficial effect of a kind of roasting furnace gas control special electromagnetic valve of the present utility model is as follows:
A kind of roasting furnace gas of the present utility model is controlled special electromagnetic valve, utilizes the principle of electric energy magnetisation, and adopting electromagnetic force is the driving force of spool action, makes spool overcome the spring force action, opens gas circuit, makes medium to flow to the air outlet by suction port; Electromagnetic force disappears when coil blackout, and spool resets under the effect of spring force, direct close port, and gas circuit is blocked, and medium can't circulate.The characteristics of this equipment are that action response is fast, sealability is strong, safety coefficient is high, long service life, simple in structure, non-maintaining, can proper functioning under zero pressure difference and micro-vacuum.
Description of drawings
Fig. 1 is the structural representation of a kind of roasting furnace gas control special electromagnetic valve of the present utility model.
Embodiment
As shown in Figure 1, a kind of roasting furnace gas control special electromagnetic valve of the present utility model comprises the valve body of being made up of upper valve body 13, middle valve body 14 and following valve body 15; Be provided with moving iron core 1 in the described valve body, described upper valve body 13 is provided with static iron core 8, and described moving iron core 1 links to each other with static iron core 8 by Returnning spring 3; Described valve body 15 down is provided with inlet hole 7, and described moving iron core 1 seals inlet hole 7 under the effect of Returnning spring 3; Described upper valve body 13 outsides are provided with terminal box 12, described moving iron core 1 outer with middle valve body 14 between be provided with and move iron core axle sleeve 10, be provided with electromagnetic coil 2 between described moving iron core 1 and the upper valve body 13, the ac-dc converter circuit in described electromagnetic coil 2 and the terminal box 12 is electrically connected.
Be provided with guiding copper sleeve 11 between described moving iron core 1 and the electromagnetic coil 2.
Be respectively equipped with first O-ring seal 4 between described upper valve body 13, middle valve body 14 and the following valve body 15.
Be respectively equipped with second O-ring seal 5 between described moving iron core 1 and following valve body 15 and the middle valve body 14.
Between described guiding copper sleeve 11 and middle valve body 14 and the static iron core 8, be respectively equipped with the 3rd O-ring seal 6 between electromagnetic coil 2 and the middle valve body 14.
Described upper valve body 13 tops are provided with the lifting screw.
Described moving iron core 1 is provided with spiracle.
The working principle of a kind of roasting furnace gas control special electromagnetic valve of the present utility model is as follows:
After solenoid valve was subjected to electricity, the AC-DC conversion reduction voltage circuit unit in terminal box, electromagnetic coil energising produced electromagnetic force, make iron core overcome spring force with the direct open valve of static iron core adhesive, and medium is path; Electromagnetic force disappears when coil blackout, and moving iron core resets under the effect of spring force, direct close port, and medium is obstructed.
Solenoid valve of the present utility model is installed on roasting furnace gas burning rack (lifting mode), connects gas pipeline and solenoid valve inlet ductwork, electromagnetic valve outlet is connected with the burner pipeline, and circuit connects PLC and solenoid valve, connects PLC and temperature detection thermocouple element.
Sintering temperature control temperature curve is set in PLC, when temperature is lower than setting curve in the stove, PLC starts solenoid valve, combustion gas makes temperature rising in the stove by burner combustion, when temperature reached the setting temperature curve, PLC turn-offed solenoid valve, and intensification stops, circulation can reach temperature control effect preferably and so forth.
This solenoid valve is not only applicable to carbon baking furnace combustion gas control, applicable to the control occasion of other inflammable gas yet, links to each other with automatic control equipment such as PLC and to realize that burning controls automation and be with a wide range of applications.
The advantage of a kind of roasting furnace gas control special electromagnetic valve of the present utility model is as follows:
(1) because the utility model has adopted a kind of brand-new mechanical structure that is different from straight dynamic diaphragm structure or guide's membrane type structure solenoid valve, whole valve body has only a moving element (spool), and movement travel is short, overall structure is simple, therefore action response is fast, sealability is strong, safety coefficient is high, long service life, not only its fabricating cost and maintenance cost are lower, and performance is highly stable.
(2) this device has disposed pulse pulse width modulation (PWM) control mode, and characteristics adopt relative high voltage Current Control to start when being startup, improves and starts electromagnetic force, guarantees that the action of solenoid valve is fast, stablizes; Start the back by the PWM modulation voltage, reduce operating voltage and operating current, only provide and keep the required voltage of solenoid valve adhesive, efficiently solve the problem of solenoid valve heating, reduced because the fault that the coil that heating causes burns out has reduced energy consumption.
(3) because the chamber A that solenoid valve gas can flow to and the chamber B at electromagnetic coil place completely cut off sealing fully, when solenoid closure, gas is controlled in the chamber A as the figure place, under the acting in conjunction of Returnning spring and gas pressure, air outlet hole is reliably airtight by the sealing plane of movable spool and Buddhist rubber seal; After waterproof street corner and cable were closely fastening, electromagnetic valve coil chamber B and wire board cavity C and air inlet chamber A, outside air also completely cut off fully, and be safe in the combustion gas control procedure;
(4) degree of finish polytetrafluoroethylmaterial material or brass bush preferably, have wear-resistant and self-lubricating property, the skeleton of guiding brass bush and electromagnetic valve coil is the red copper material, this material is conducive to internal heat and is transmitted to the valve chest surface and carries out internal heat dissipating, it is N level (200 ℃) that enamel covered wire adopts the insulation temperature classification, moving iron core adopts the material of abrasion-proof corrosion-proof, so this valve performance is reliable, long service life.
(5) moving iron core has a spiracle, and this pore is conducive to moving iron core smooth and easy action in airtight chamber; When coil get electric after the moving iron core of static iron core magnetic force pulling overcome Returnning spring elastic force and open valve port along guiding groove, Returnning spring elastic force promotes moving iron core rapidly and closes the solenoid valve valve port after the electromagnetic coil dead electricity, because simple for structure, moving iron core stroke is shorter relatively, so this valve events sensitivity, speed of response are fast.
(6) down valve body adopts 4 circumference in equal parts to carry out symmetrical bolton, and inlet hole can carry out 90 °, 180 °, 270 ° angles rotation backs to be installed, and upper valve body is furnished with the lifting screw, is beneficial to the installation of multiple site space.
Embodiment recited above is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; design under the spiritual prerequisite not breaking away from the utility model; various distortion and improvement that the common engineers and technicians in related domain make technical solutions of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (7)
1. a roasting furnace gas control special electromagnetic valve is characterized in that: comprise the valve body of being made up of upper valve body, middle valve body and following valve body; Be provided with moving iron core in the described valve body, described upper valve body is provided with static iron core, and described moving iron core links to each other with static iron core by Returnning spring; Described valve body down is provided with inlet hole, and described moving iron core seals inlet hole under the effect of Returnning spring; The described upper valve body outside is provided with terminal box, described moving iron core outer with middle valve body between be provided with moving iron core axle sleeve, be provided with electromagnetic coil between described moving iron core and the upper valve body, the interior ac-dc converter circuit of described electromagnetic coil and terminal box is electrically connected.
2. a kind of roasting furnace gas control special electromagnetic valve according to claim 1 is characterized in that: be provided with the guiding copper sleeve between described moving iron core and the electromagnetic coil.
3. a kind of roasting furnace gas control special electromagnetic valve according to claim 1 is characterized in that: be respectively equipped with first O-ring seal between described upper valve body, middle valve body and the following valve body.
4. a kind of roasting furnace gas control special electromagnetic valve according to claim 1 is characterized in that: be respectively equipped with second O-ring seal between described moving iron core and following valve body and the middle valve body.
5. a kind of roasting furnace gas control special electromagnetic valve according to claim 1 is characterized in that: between described guiding copper sleeve and middle valve body and the static iron core, be respectively equipped with the 3rd O-ring seal between electromagnetic coil and the middle valve body.
6. according to the arbitrary described a kind of roasting furnace gas control special electromagnetic valve of claim 1～5, it is characterized in that: described upper valve body top is provided with the lifting screw.
7. according to the arbitrary described a kind of roasting furnace gas control special electromagnetic valve of claim 1～5, it is characterized in that: described moving iron core is provided with spiracle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051203 CN203051914U (en) | 2013-01-30 | 2013-01-30 | Electromagnetic valve for roasting furnace gas control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051203 CN203051914U (en) | 2013-01-30 | 2013-01-30 | Electromagnetic valve for roasting furnace gas control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051914U true CN203051914U (en) | 2013-07-10 |
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ID=48734867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320051203 Expired - Lifetime CN203051914U (en) | 2013-01-30 | 2013-01-30 | Electromagnetic valve for roasting furnace gas control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483103A (en) * | 2021-05-28 | 2021-10-08 | 散裂中子源科学中心 | High temperature resistant vacuum solenoid valve |
-
2013
- 2013-01-30 CN CN 201320051203 patent/CN203051914U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483103A (en) * | 2021-05-28 | 2021-10-08 | 散裂中子源科学中心 | High temperature resistant vacuum solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |