CN208059415U - A kind of high-air-tightness vacuum drying oven and its device for recovering tail gas - Google Patents
A kind of high-air-tightness vacuum drying oven and its device for recovering tail gas Download PDFInfo
- Publication number
- CN208059415U CN208059415U CN201820089980.0U CN201820089980U CN208059415U CN 208059415 U CN208059415 U CN 208059415U CN 201820089980 U CN201820089980 U CN 201820089980U CN 208059415 U CN208059415 U CN 208059415U
- Authority
- CN
- China
- Prior art keywords
- furnace body
- drying oven
- bell
- air
- sealing
- 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.)
- Active
Links
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a kind of high-air-tightness vacuum drying oven of drying equipment technical field and its device for recovering tail gas, it is intended to the technical issues of solving existing drying oven poor air-tightness, including furnace body and bell, it is characterised in that：Liquid sealing structure is equipped between the furnace body and bell；The liquid sealing structure includes：Seal groove, the seal groove is set at the top of the furnace body, for holding sealing liquid；Seal convexity, when the seal convexity is set to the bell bottom and is adapted with the seal groove so that the furnace body and bell are closed, the seal convexity bottom is immersed in the sealing liquid.The liquid sealing structure that the utility model is arranged between furnace body and bell, the two can be fully sealed, and gas leak phenomenon is not present；And sealing liquid can conveniently pass in and out seal groove by the effect of pump.
Description
Technical field
The utility model is related to drying equipment technical fields, and in particular to a kind of high-air-tightness vacuum drying oven and its tail gas
Retracting device.
Background technology
Vacuum drying oven is that dried material is placed under vacuum condition to be thermally dried, it is carried out using evacuator
It is evacuated dehumidifier, so that work is in vacuum state, the rate of drying of material is greatly speeded up, while also saving the energy.Therefore, extensively
Applied to biochemistry, application field is studied in chemical pharmaceutical, health care, agri-scientific research, environmental protection etc., make powder it is dry,
Bake and bank up with earth and the disinfection of all kinds of glass containers and sterilizing used, particularly suitable for dry thermal sensitivity, easily decompose, readily oxidizable substance and
Complicated ingredient article carries out drying process rapidly and efficiently.
Currently, the structure of existing vacuum drying oven generally comprises furnace body and is set to the fire door of furnace body side or is set to
The bell of furnace roof, furnace body inner cavity are laid with numerous heating elements along inner wall, and inner cavity places dried object, passes through heat under vacuum
Dried object is dried in radiation.Since vacuum drying oven needs to carry out under vacuum when article is dried,
So the air-tightness of drying oven will centainly be got well, but whether fire door is arranged in furnace body side, or bell, furnace body are set in furnace roof
It is all difficult to and is fully sealed between fire door or furnace body and bell, therefore vacuum drying oven will pay attention in it always when in use
Portion's vacuum pressure variation, prevents accident.
When article being dried using vacuum drying oven in addition, the heating unit in furnace chamber is all by temperature controller control
System, unification while heating are uniformly simultaneously stopped heating.When some heating element heats breaks down, can cause to be dried in vacuo
Furnace chamber local temperature is abnormal, influences the dry mass of article.
Some organic solvents are often used during Chemical Manufacture, these solvents during product is dried such as
Fruit can not only cause damages to the operation of vacuum drying oven without recycling, but also being discharged into air can also cause air dirty
Contaminate and endanger the health of people.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of vacuum drying oven of high-air-tightness and its tail gas recycles
Device, the technical issues of to solve existing drying oven poor air-tightness.
Technical solution used by the utility model is：
Design a kind of high-air-tightness vacuum drying oven, including furnace body and bell, it is characterised in that：The furnace body and bell it
Between be equipped with liquid sealing structure；
The liquid sealing structure includes：
Seal groove, the seal groove is set at the top of the furnace body, for holding sealing liquid；
Seal convexity, the seal convexity are set to the bell bottom and are adapted so that described with the seal groove
When furnace body and bell are closed, the seal convexity bottom is immersed in the sealing liquid.
Preferably, the liquid sealing structure further include sealing fluid passage, the sealing liquid passage end with it is described
Seal groove connection, the other end are connected to sealing liquid accommodating box.
Preferably, the sealing fluid passage includes that furnace body interior and interconnected Vertical Channel and horizontal channel is arranged,
The Vertical Channel is connected with the sealing trench bottom, and the horizontal channel is connected to the sealing liquid accommodating box.
Preferably, the seal groove is around furnace body one week, and the seal groove cross section includes triangle, rectangle, trapezoidal, partly
Any one in circle.
Preferably, the sealing fluid includes any one of oil and water.
Preferably, it is pivotally connected between the furnace body and bell, the furnace body circular in cross-section or rectangle.
Preferably, the bell is equipped in exhaust port, nitrogen inlet duct, drain, pressure vacuum gauge and stove
Atmosphere tester.
Preferably, a plurality of resistance band heater element and multiple temperature sensors are equipped on the inboard wall of furnace body, it is described
Furnace body outer wall is equipped with relay and temperature controller；
The relay is communicatively coupled to every resistance band heater element, is added with controlling every resistance band heater element
Heat stops heating；
Temperature controller is communicatively coupled to relay, each temperature sensor and every resistance band heater element, and detection is every
The local temperature of resistance band heater element is simultaneously controlled, based on the local temperature of every resistance band heater element come control after
Electric appliance is heated so that relay controls every resistance band heater element or stops heating.
A kind of device for recovering tail gas suitable for the drying oven further includes heat exchanger and vacuum pump, the heat exchange
The gas access of device is connected to by pipeline with the exhaust port of the drying oven, gas vent is connected to the vacuum pump, institute
Internal heat exchanger is stated equipped with the S-type coolant duct in path, and the baffle plate for keeping tail gas flow path S-type.
Preferably, the bottom of the heat exchanger is communicated with condensate liquid reservoir, and the condensate liquid reservoir is equipped with cold
Lime set outlet.
Compared with prior art, the advantageous effects of the utility model are：
The two, can be fully sealed, not deposit by the 1, liquid sealing structure that the utility model is arranged between furnace body and bell
In gas leak phenomenon；And sealing liquid can conveniently pass in and out seal groove by the effect of pump.
2, the utility model drying oven can effectively solve office in stove by the control one by one to a plurality of resistance band heater element
Portion's problem too high or too low for temperature.
3, by the way that coolant duct is arranged to S types and multiple baffle plates in the utility model device for recovering tail gas
Cooperation, extends the time of contact of tail gas and coolant liquid, enhances cooling effect.
4, the condensate liquid reservoir being connected with heat exchanger bottom, tail gas are equipped in the utility model device for recovering tail gas
In organic solvent liquefaction after enter condensate liquid reservoir, be convenient for organic solvent recycling.
Description of the drawings
Fig. 1 is the overall schematic of drying oven；
Fig. 2 is the structural schematic diagram of drying oven；
Fig. 3 is the structural schematic diagram of liquid sealing structure；
Fig. 4 is one of seal groove and seal convexity cooperation schematic diagram；
Fig. 5 is the structural schematic diagram of device for recovering tail gas；
Fig. 6 is furnace body vertical view；
Fig. 7 is the two of seal groove and seal convexity cooperation schematic diagram；
10 furnace bodies, 20 be bell, and 30 be pivot joint, and 40 be liquid sealing structure, and 50 be pipeline, and 11 be temperature controller, 12
For temperature sensor, 13 be resistance band heater element, 21 furnace atmosphere testers, and 22 be nitrogen inlet duct, and 23 be drain, 24
It is pressure vacuum gauge for exhaust port, 25,31 be rotation axis, and 32 be holder, and 41 be sealing liquid accommodating box, and 42 be sealing fluid
Body, 43 be horizontal channel, and 44 be Vertical Channel, and 45 be seal groove, and 46 be seal convexity, and 47 be sealing fluid passage, and 100 be dry
Dry stove, 200 be heat exchanger, and 300 be vacuum pump, and 201 be gas access, and 202 be cooling water outlet, and 203 be gas vent,
204 be cooling water inlet, and 205 be cooling water pipeline, and 206 be baffle plate, and 207 be condensate liquid reservoir, and 208 are discharged for condensate liquid
Mouthful.
Specific implementation mode
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings and examples, but following embodiment only uses
It is described in detail the utility model, does not limit the scope of the utility model in any way.Involved by following embodiment
The devices such as unit module parts, structure, mechanism or sensor are unless otherwise instructed then conventional commercial product.
Embodiment 1：As Figure 1-Figure 4, a kind of high-air-tightness vacuum drying oven, including cross section are rounded furnace body
10 and bell 20, by rotation axis 31 and the pivot joint of holder 32 30 between furnace body 10 and bell 20, and between furnace body 10 and bell 20
Equipped with liquid sealing structure 40；
Liquid sealing structure 40 includes：
Seal groove 45, seal groove 45 are the annular recess for being set to the top of furnace body 10, the cross section of groove be rectangle and
Sealing liquid 42 is contained in groove（It is water in the present embodiment）；
Seal convexity 46, seal convexity 46 be set to bell bottom an annular projection and the thickness of annular projection and
Height is respectively to should be less than the groove width and groove depth of annular recess, when so that furnace body 10 and bell 20 being closed, 46 bottom of seal convexity
It immerses in sealing liquid 42；
And sealing fluid passage 47, sealing fluid passage 47 include in setting furnace body 10 and being interconnected vertical logical
Road 44 and horizontal channel 43, Vertical Channel 44 are connected with 45 bottom of seal groove, horizontal channel 43 and sealing liquid accommodating box 41
Connection, sealing liquid accommodating box 41 is interior to be equipped with for that will seal the pump that liquid 42 is pumped into or pumps out.
Bell 20 is equipped with gas in exhaust port 24, nitrogen inlet duct 22, drain 23, pressure vacuum gauge 25 and stove
Atmosphere tester 21.
It is equipped with a plurality of resistance band heater element 13 and temperature sensor 12 on 10 inner wall of furnace body, is set on 10 outer wall of furnace body
There are relay and temperature controller 11；
Relay is communicatively coupled to every resistance band heater element 13, is added with controlling every resistance band heater element 13
Heat stops heating；Temperature controller 11 is communicatively coupled to relay, each temperature sensor 12 and every resistance band fever member
Part 13, the local temperature for detecting every resistance band heater element 13 are simultaneously controlled, based on every resistance band heater element 13
Local temperature controls relay so that relay control every resistance band heater element 13 heated or stop plus
Heat.
Embodiment 2, as shown in figure 5, a kind of device for recovering tail gas of above-mentioned vacuum drying oven, further includes heat exchanger 200
With vacuum pump 300,200 top of heat exchanger is equipped with gas access 201, gas vent 203 and cooling water outlet 202, and bottom is set
There is cooling water inlet 204；Gas access 201 is connected to by pipeline 50 with the exhaust port 24 of drying oven 100, gas vent
203 are connected to vacuum pump 300, and heat exchanger 200 is internally provided with the S-type cooling water pipeline 205 in path, and makes tail gas flow path
S-type baffle plate 206.
The bottom of heat exchanger 200 is communicated with condensate liquid reservoir 207, and condensate liquid reservoir 207 is arranged equipped with condensate liquid
Outlet 208.
Embodiment 3, as Figure 6-Figure 7, a kind of high-air-tightness vacuum drying oven, the present embodiment and 1 structure base of embodiment
This is identical, and difference place is, the cross section of furnace body 10 is rectangle, and 45 cross section of seal groove includes triangle, trapezoidal, semicircle
In any one；It is oil to seal liquid 42.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme should all cover in the right of the utility model.
Claims (10)
1. a kind of high-air-tightness vacuum drying oven, including furnace body and bell, it is characterised in that：It is equipped between the furnace body and bell
Liquid sealing structure；
The liquid sealing structure includes：
Seal groove, the seal groove is set at the top of the furnace body, for holding sealing liquid；
Seal convexity, the seal convexity are set to the bell bottom and are adapted with the seal groove so that the furnace body
When being closed with bell, the seal convexity bottom is immersed in the sealing liquid.
2. high-air-tightness vacuum drying oven according to claim 1, it is characterised in that：The liquid sealing structure further includes
Fluid passage is sealed, the sealing liquid passage end is connected to the seal groove, the other end is connected to sealing liquid accommodating box.
3. high-air-tightness vacuum drying oven according to claim 2, it is characterised in that：The sealing fluid passage includes setting
It sets in furnace body and interconnected Vertical Channel and horizontal channel, the Vertical Channel is connected with the sealing trench bottom, institute
Horizontal channel is stated to be connected to the sealing liquid accommodating box.
4. according to the high-air-tightness vacuum drying oven described in claim 1-3 any one, it is characterised in that：The sealing grooved ring
Around furnace body one week, the seal groove cross section include triangle, rectangle, it is trapezoidal, semicircle in any one.
5. according to the high-air-tightness vacuum drying oven described in claim 1-3 any one, it is characterised in that：The sealing fluid packet
Include any one of oil and water.
6. according to the high-air-tightness vacuum drying oven described in claim 1-3 any one, it is characterised in that：The furnace body and stove
It is pivotally connected between lid, the furnace body circular in cross-section or rectangle.
7. according to the high-air-tightness vacuum drying oven described in claim 1-3 any one, it is characterised in that：It is set on the bell
There are exhaust port, nitrogen inlet duct, drain, pressure vacuum gauge and furnace atmosphere tester.
8. according to the high-air-tightness vacuum drying oven described in claim 1-3 any one, it is characterised in that：The inboard wall of furnace body
On be equipped with a plurality of resistance band heater element and temperature sensor, the furnace body outer wall is equipped with relay and temperature controls
Device；
The relay is communicatively coupled to every resistance band heater element, with control every resistance band heater element carry out heating or
Stop heating；
Temperature controller is communicatively coupled to relay, each temperature sensor and every resistance band heater element, detects every electricity
The local temperature of stopband heater element is simultaneously controlled, and relay is controlled based on the local temperature of every resistance band heater element
Device is heated so that relay controls every resistance band heater element or stops heating.
9. a kind of device for recovering tail gas suitable for drying oven described in claim 1-3 any one, it is characterised in that：Further include
Heat exchanger and vacuum pump, the gas access of the heat exchanger is connected to by pipeline with the exhaust port of the drying oven,
Gas vent is connected to the vacuum pump, and the internal heat exchanger is equipped with the S-type coolant duct in path, and makes tail gas
The S-type baffle plate of flow path.
10. device for recovering tail gas according to claim 9, it is characterised in that：The bottom of the heat exchanger is communicated with cold
Lime set reservoir, the condensate liquid reservoir are equipped with condensate liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089980.0U CN208059415U (en) | 2018-01-19 | 2018-01-19 | A kind of high-air-tightness vacuum drying oven and its device for recovering tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089980.0U CN208059415U (en) | 2018-01-19 | 2018-01-19 | A kind of high-air-tightness vacuum drying oven and its device for recovering tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208059415U true CN208059415U (en) | 2018-11-06 |
Family
ID=63995358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820089980.0U Active CN208059415U (en) | 2018-01-19 | 2018-01-19 | A kind of high-air-tightness vacuum drying oven and its device for recovering tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208059415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113614478A (en) * | 2019-04-02 | 2021-11-05 | 科思创知识产权两合公司 | Drying device, use thereof and method for producing isocyanates using said drying device |
| CN114294967A (en) * | 2021-12-17 | 2022-04-08 | 何聪聪 | Metallurgical device convenient to waste heat recovery |
-
2018
- 2018-01-19 CN CN201820089980.0U patent/CN208059415U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113614478A (en) * | 2019-04-02 | 2021-11-05 | 科思创知识产权两合公司 | Drying device, use thereof and method for producing isocyanates using said drying device |
| CN113614478B (en) * | 2019-04-02 | 2023-11-17 | 科思创知识产权两合公司 | Drying device and use thereof, and method for producing isocyanates using the drying device |
| CN114294967A (en) * | 2021-12-17 | 2022-04-08 | 何聪聪 | Metallurgical device convenient to waste heat recovery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208059415U (en) | A kind of high-air-tightness vacuum drying oven and its device for recovering tail gas | |
| CN102818439B (en) | Drying device and drying method for high-purity silicon materials | |
| CN107549407A (en) | A kind of solar-assisted heat pump vacuum couplings steam beating chrysanthemum drying device | |
| TWI567190B (en) | Cell incubator | |
| CN206256076U (en) | A kind of anti-pollution microbiological incubator with alarm | |
| CN205138097U (en) | High accuracy vacuum baking oven | |
| CN211739699U (en) | Experimental electric heating blast oven with anti-corrosion sealing function | |
| CN208223004U (en) | A kind of brokenly bubble back flushing type vacuum drier | |
| CN214537137U (en) | Energy-saving vacuum drying oven | |
| CN206019165U (en) | Skin care item vacuum drying oven | |
| CN205718249U (en) | A kind of solar energy drying equipment | |
| CN209783130U (en) | Pole piece drying cabinet and pole piece drying equipment | |
| CN106493141A (en) | A kind of board-washing machine for circulating incubation with wind | |
| CN211346083U (en) | Circular pipe fitting inner wall is with air blast drying cabinet | |
| CN207280164U (en) | A kind of electric drying oven with forced convection | |
| CN209268591U (en) | A kind of solar-assisted heat pump vacuum couplings steam beating chrysanthemum drying device | |
| CN207520827U (en) | Medical latex glove production emission-control equipment | |
| CN206522987U (en) | A kind of vacuum drying chamber for preventing powder from splashing | |
| CN206637966U (en) | A kind of laboratory oven | |
| CN217236340U (en) | High-efficient thermostated container convenient to air cycle | |
| CN205482163U (en) | Heating device for be used for preventing oxidation of silicon core | |
| CN205517845U (en) | Laboratory temperature control device of dangerous discarded object sample | |
| CN218349745U (en) | Airtightness detection equipment for new energy battery | |
| CN217275164U (en) | Partitioned vacuum drying oven | |
| CN211012173U (en) | Laboratory blast air oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |