CN210532854U - Automatic drainage type vacuum drying oven - Google Patents
Automatic drainage type vacuum drying oven Download PDFInfo
- Publication number
- CN210532854U CN210532854U CN201920837329.1U CN201920837329U CN210532854U CN 210532854 U CN210532854 U CN 210532854U CN 201920837329 U CN201920837329 U CN 201920837329U CN 210532854 U CN210532854 U CN 210532854U
- Authority
- CN
- China
- Prior art keywords
- control valve
- negative pressure
- box
- vacuum drying
- drying oven
- 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
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
An automatic drainage type vacuum drying oven belongs to the technical field of lead-acid storage batteries. The utility model discloses a box, locate heating device in the box, connect the vacuum pump of box, be equipped with the refrigeration layer in the box inside wall, refrigeration layer below is equipped with the ditch that converges, and the ditch lower extreme that converges is connected with the pipe that converges, and the pipe connection that converges is in the external jar that catchments of box, and the vacuum pump is connected to the jar that catchments, and the pipe that converges is equipped with control valve one, and the jar lower extreme that catchments is equipped with control valve two, is equipped with control valve three between jar and the vacuum. The utility model discloses can accomplish drainage process in not opening the chamber door, not letting the air get into the incasement to shorten the dry required time greatly, practiced thrift the energy.
Description
Technical Field
The utility model relates to a lead acid battery technical field especially relates to an automatic drainage type vacuum drying oven.
Background
In the research and development and production processes of the electric moped battery, the content of a cathode mature active substance, namely sponge lead (Pb) is often detected, and the sponge lead is immediately oxidized when meeting oxygen in the air to influence the detection precision, so that the common operation comprises the steps of firstly immersing a sample piece into flowing clear water to be cleaned to be neutral, then putting the sample piece into a vacuum drying oven to be subjected to anti-oxidation drying, and finally detecting.
At present, in the whole drying process, because the vacuum box is not provided with a direct drainage device, after the vacuum box is heated for a period of time, water vapor is condensed at the inner side of the door and cannot be discharged all the time, the door of the vacuum box only needs to be opened for drainage or wiping for many times, cold air enters the box, the cold air needs to be wiped for 3-5 times and dried for 24-48 hours each time for drying, so that the detection result is inaccurate, the drying time is prolonged, and energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that above-mentioned prior art exists, provide an automatic drainage type vacuum drying oven, it can be at not opening the chamber door, not let the air admission incasement accomplish drainage process to shorten the dry required time greatly, practiced thrift the energy.
The utility model aims at realizing through the following technical scheme:
the utility model provides an automatic drainage type vacuum drying oven, includes the box, locates heating device, connection in the box the vacuum pump of box, be equipped with the refrigeration layer in the box inner wall, the refrigeration layer below is equipped with the ditch that converges, it is connected with the pipe that converges to converge the ditch lower extreme, converge the pipe connect in the jar that catchments outside the box, the jar that catchments is connected the vacuum pump, it is equipped with control valve one on the pipe to converge, the jar lower extreme that catchments is equipped with control valve two, catchment the jar with be equipped with control valve three between the vacuum pump.
The utility model discloses a theory of operation: firstly, putting a material to be dried into a box body, closing a control valve II, opening the control valve I and the control valve III, vacuumizing the box body through a vacuum pump, then closing the control valve III, starting a heating device, evaporating moisture after the material is heated, liquefying steam at a refrigerating layer, enabling liquid water to flow into a water collecting tank downwards through a confluence ditch and a confluence guide pipe, closing the control valve I, opening the control valve II and the control valve III to enable water in the water collecting tank to be discharged from the control valve II when the water amount in the water collecting tank is large, closing the control valve II after the water is discharged, opening the control valve III, starting the vacuum pump to vacuumize the water collecting tank, then closing the control valve III, opening the control valve I, and performing the next round of water discharge. It should be noted that the refrigeration layer may be refrigerated by other refrigeration equipment or circulating water, and it is only required to liquefy water vapor at a low temperature, which is not described in detail herein.
As the utility model discloses preferably, the jar that catchments with still be connected with between the box and take out negative pressure pipe, take out and be equipped with control valve six on the negative pressure pipe, control valve six with be connected with negative pressure table one on the negative pressure pipe of taking out between the box, control valve six with be connected with negative pressure table two on the negative pressure pipe of taking out between the jar that catchments, vacuum pump connection in control valve six is close to on the negative pressure pipe of taking out of jar one side catchments, control valve three is located take out between negative pressure pipe and the vacuum pump. The structure enables the air pressure in the box body and the air pressure at the water collecting tank to be accurately controlled, and the stable operation of the drying process is ensured.
Preferably, the control valve six and the negative pressure pumping pipe between the boxes is provided with a control valve five connected with the atmosphere. And the control valve V is used for deflating the box body after the drying is finished so as to take out the materials after the internal and external air pressures are balanced.
Preferably, the control valve six and the suction pressure pipe between the water collecting tanks is provided with a control valve four connected with the atmosphere. And the control valve is used for discharging water from the water collecting tank, and discharging air into the water collecting tank to ensure the smoothness and efficiency of water discharging.
Preferably, the negative pressure meter is internally provided with a control contact of the vacuum pump. The contact is mainly used for controlling the vacuum pump to stop working when the air pressure in the box body meets the requirement.
As the utility model discloses it is preferred, on the box inside wall in refrigeration layer department is equipped with scrapes the strip, the box is equipped with the drive outward scrape strip pivoted motor. The scraping strip improves the down-flow efficiency of the condensed water at the refrigerating layer, thereby ensuring the drainage efficiency.
As the utility model discloses it is preferred, the box includes the heat preservation of incasement wall, incasement wall and centre, the refrigeration layer is hugged closely the incasement wall. The refrigeration layer is tightly attached to the inner wall of the box, so that good heat conduction is realized, and the efficiency of water vapor liquefaction is ensured.
Preferably, the heating device comprises a plurality of electric heating tubes arranged at the bottom or the side in the box body, and a cover plate is arranged on the surface of each electric heating tube. The heating structure is simple, the heating is stable and efficient, and the cover plate plays a role in protecting the electric heating tube.
Preferably, the box body is internally provided with a plurality of object carriers. The multiple object carriers enable the drying treatment of multiple materials to be carried out in the box body at the same time.
As the utility model discloses it is preferred, box one side is equipped with the glass door, the glass door with be equipped with the rubber circle between the box. The glass door is arranged, so that workers can observe the conditions in the box body in time, and the rubber ring ensures the sealing property between the glass door and the box body.
The utility model has the advantages that: the structure is reasonable, the condensation drainage structure is additionally arranged, the drainage process can be finished without opening a box door and allowing air to enter the box, sponge lead oxidation is prevented, the drying time is shortened, energy is saved, and complete drying can be realized within 6-8 h.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a sectional view taken along the line a-a in fig. 2.
1-the outer wall of the tank; 2-insulating layer; 3-rubber ring; 4-a glass door; 5-electric heating tubes; 6-cover plate; 7-inner wall of the tank; 8-a refrigeration layer; 9-a motor; 10-scraping strip; 11-a sink channel; 12-a converging conduit; 13-pumping a negative pressure pipe; 14-control valve one; 15-a water collecting tank; 16-control valve two; 17-control valve three; 18-control valve four; 19-control valve five; 20-control valve six; 21-negative pressure meter I; 22-negative pressure meter two; 23-a contact; 24-a vacuum pump; 25-a carrier; 26-condensation zone.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, an automatic drainage type vacuum drying oven, includes the box, locates heating device, connection in the box the vacuum pump 24 of box, be equipped with refrigeration layer 8 in the box inside wall, refrigeration layer 8 below is equipped with and converges ditch 11, it is connected with pipe 12 that converges to converge 11 lower extremes of ditch, converge pipe 12 connect in tank 15 that catchments outside the box, tank 15 that catchments connects vacuum pump 24, it is equipped with control valve one 14 on pipe 12 to converge, tank 15 lower extreme that catchments is equipped with control valve two 16, catchment tank 15 with be equipped with control valve three 17 between the vacuum pump 24.
The working principle is as follows: putting a material to be dried into a box body, closing a control valve II 16, opening a control valve I14 and a control valve III 17, vacuumizing the box body through a vacuum pump 24, then closing the control valve III 17, starting a heating device, evaporating moisture after the material is heated, liquefying steam at a refrigerating layer 8, enabling liquid water to flow downwards into a water collecting tank 15 through a confluence ditch 11 and a confluence guide pipe 12, closing the control valve I14, opening the control valve II 16 and the control valve III 17 to enable water in the water collecting tank 15 to be discharged from the control valve II 16 when the water amount in the water collecting tank 15 is large, closing the control valve II 16 after the water is discharged, opening the control valve III 17, starting the vacuum pump 24 to vacuumize the water collecting tank 15, then closing the control valve III 17, opening the control valve I14, and performing the next round of water discharge. It should be noted that the refrigeration layer 8 may be refrigerated by other refrigeration equipment or circulating water, and only needs to be liquefied at low temperature by water vapor, which is not described in detail herein.
Example 2
As shown in fig. 2, on the basis of embodiment 1, water collection tank 15 with still be connected with between the box and take out negative pressure pipe 13, be equipped with control valve six 20 on taking out negative pressure pipe 13, control valve six 20 with be connected with negative pressure table one 21 on taking out negative pressure pipe 13 between the box, control valve six 20 with be connected with negative pressure table two 22 on taking out negative pressure pipe 13 between water collection tank 15, vacuum pump 24 connect in control valve six 20 is close to on taking out negative pressure pipe 13 of water collection tank 15 one side, control valve three 17 is located between negative pressure pipe 13 and the vacuum pump 24. The structure enables the air pressure in the box body and the air pressure at the water collecting tank 15 to be accurately controlled, and the stable proceeding of the drying process is ensured. And a control valve five 19 connected with the atmosphere is arranged on the negative pressure pumping pipe 13 between the control valve six 20 and the box body. And the control valve V19 is used for deflating the box body after drying is finished so as to take out the materials after the internal and external air pressures are balanced. And a control valve IV 18 connected with the atmosphere is arranged on the negative pressure pumping pipe 13 between the control valve VI 20 and the water collecting tank 15. The control valve IV 18 is used for deflating the water collecting tank 15 when the water collecting tank 15 discharges water so as to ensure the smoothness and efficiency of the drainage. A contact 23 for controlling the vacuum pump 24 is arranged in the negative pressure gauge II 22. The contact 23 is mainly used for controlling the vacuum pump 24 to stop working when the air pressure in the box body meets the requirement.
In addition, the inner side wall of the box body is provided with a scraping strip 10 at the position of the refrigerating layer 8, and a motor 9 for driving the scraping strip 10 to rotate is arranged outside the box body. The wiper strip 10 improves the down-flow efficiency of the condensed water at the refrigerating layer 8, thereby ensuring the efficiency of drainage. Meanwhile, in order to match the structure, the refrigeration layer is circular. The box includes outer wall 1, incasement wall 7 and middle heat preservation 2, refrigeration layer 8 hugs closely incasement wall 7, incasement wall 7 hugs closely the part of refrigeration layer 8 forms condensation zone 26. The refrigerating layer 8 is tightly attached to the inner wall 7 of the box, so that good heat conduction is realized, and the efficiency of water vapor liquefaction is ensured. The heating device comprises a plurality of electric heating tubes 5 arranged at the bottom or the side surface in the box body, and cover plates 6 are arranged on the surfaces of the electric heating tubes 5. The heating structure is simple, the heating is stable and efficient, and the cover plate 6 plays a role in protecting the electric heating tube 5. A plurality of article carriers 25 are arranged in the box body. The plurality of article carriers 25 enable the drying of a plurality of materials to be carried out simultaneously within the housing. A glass door 4 is arranged on one side of the box body, and a rubber ring 3 is arranged between the glass door 4 and the box body. The glass door 4 is arranged, so that workers can observe the conditions in the box body in time, and the rubber ring 3 ensures the sealing property between the glass door 4 and the box body.
To sum up, the working principle of this embodiment is as follows:
placing a sample piece and starting: opening a glass door 4, putting the washed polar plates to be dried and cooked on a carrier 25, closing the glass door 4, and opening a PLC automatic control switch, wherein at the moment, a control valve II 16, a control valve IV 18 and a control valve V19 are in a closed state, a control valve I14, a control valve III 17 and a control valve VI 20 are in an open state, a contact 23 is in a connected state, so that a vacuum pump 24 controlled by the contact 23 is started to start to pump negative pressure, a temperature control system is started, and an electric heating pipe 5 is electrified and heated to the required temperature and keeps constant temperature; when the negative pressure meets the process requirement (the inside of the box is close to a vacuum state, oxygen is pumped away, so that sponge lead cannot be oxidized), the contact 23 is automatically disconnected, the vacuum pump 24 is stopped, the control valve III 17 controlled by the PLC is closed, and the preliminary negative pressure pumping operation is completed;
automatic drainage drying control: the water is evaporated in a heating state, at the moment, the refrigerating layer 8 starts to work discontinuously (for example, once every 10 min), the temperature of the condensation area 26 is properly reduced, so that the evaporated water is completely condensed on the inner wall 7 of the box within the range of the condensation area 26, the motor 9 drives the scraping strip 10 to rotate for several circles to scrape condensed water drops, and the condensed water drops are converged into the converging channel 11 and then injected into the water collecting tank 15 through the first control valve 14 along the converging conduit 12; after the operation is carried out for a period of time, the first control valve 14 and the sixth control valve 20 are closed, and then the fourth control valve 18 and the second control valve 16 are opened, so that the water stored in the water collecting tank 15 is drained; then, firstly closing the second control valve 16 and the fourth control valve 18 in the reverse direction, opening the third control valve 17, starting a vacuum pump 24 controlled by the PLC at the moment, and starting to pump negative pressure to the water collecting tank 15; when the negative pressure meets the process requirement, the contact 23 is disconnected, and the vacuum pump 24 is stopped; opening the first control valve 14 and the sixth control valve 20 to make the negative pressure in the tank consistent with the negative pressure in the water collecting tank 15, and finishing one-time automatic drainage; the process can be repeated for a plurality of times according to requirements until the drying is in a qualified state.
Stopping taking out the sample piece: and (3) closing the PLC automatic control switch, opening the control valve V19, beginning to deflate into the box, and opening the glass door 4 to take out the dried sample piece to finish the drying process when the internal pressure and the external pressure are balanced.
The above description is only the specific embodiment of the preferred embodiment of the present invention, and this specific embodiment is based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an automatic drainage type vacuum drying oven, includes the box, locates heating device, connection in the box the vacuum pump of box, a serial communication port, be equipped with the refrigeration layer in the box inside wall, refrigeration layer below is equipped with the ditch that converges, the ditch lower extreme that converges is connected with the pipe that converges, converge the pipe connect in the outer jar that catchments of box, the jar that catchments is connected the vacuum pump, it is equipped with control valve one on the pipe to converge, the jar lower extreme that catchments is equipped with control valve two, catchment the jar with be equipped with control valve three between the vacuum pump.
2. The automatic drainage type vacuum drying oven according to claim 1, characterized in that a negative pressure pumping pipe is further connected between the water collecting tank and the box body, a control valve six is arranged on the negative pressure pumping pipe, a negative pressure gauge I is connected on the negative pressure pumping pipe between the control valve six and the box body, a negative pressure gauge II is connected on the negative pressure pumping pipe between the control valve six and the water collecting tank, the vacuum pump is connected on the negative pressure pumping pipe on one side of the water collecting tank close to the control valve six, and a control valve III is arranged between the negative pressure pumping pipe and the vacuum pump.
3. The automatic draining type vacuum drying oven according to claim 2, wherein a control valve V connected with the atmosphere is arranged on the negative pressure pumping pipe between the control valve VI and the oven body.
4. The automatic draining type vacuum drying oven according to claim 2, wherein a fourth control valve connected with the atmosphere is arranged on the negative pressure pumping pipe between the sixth control valve and the water collecting tank.
5. The automatic draining type vacuum drying oven according to claim 2, wherein a contact for controlling the vacuum pump is arranged in the second negative pressure gauge.
6. The automatic draining vacuum drying oven according to claim 1, wherein a scraping bar is arranged on the inner side wall of the box body at the refrigerating layer, and a motor for driving the scraping bar to rotate is arranged outside the box body.
7. The automatic draining type vacuum drying oven according to claim 1, wherein the oven body comprises an outer oven wall, an inner oven wall and an intermediate insulating layer, and the refrigerating layer is closely attached to the inner oven wall.
8. The automatic draining vacuum drying oven according to claim 1, wherein said heating device comprises a plurality of electric heating tubes disposed at the bottom or side of said oven body, and a cover plate is disposed on the surface of said plurality of electric heating tubes.
9. The automatic draining vacuum drying oven according to claim 1, wherein a plurality of article carriers are provided in said cabinet.
10. The automatic draining type vacuum drying oven according to claim 1, wherein a glass door is provided at one side of the oven body, and a rubber ring is provided between the glass door and the oven body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837329.1U CN210532854U (en) | 2019-06-05 | 2019-06-05 | Automatic drainage type vacuum drying oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837329.1U CN210532854U (en) | 2019-06-05 | 2019-06-05 | Automatic drainage type vacuum drying oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210532854U true CN210532854U (en) | 2020-05-15 |
Family
ID=70594340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920837329.1U Active CN210532854U (en) | 2019-06-05 | 2019-06-05 | Automatic drainage type vacuum drying oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210532854U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344661A (en) * | 2020-11-12 | 2021-02-09 | 河南泓医药业有限公司 | Production device and production method of earthworm powder (freeze-dried) |
| CN114413581A (en) * | 2022-02-11 | 2022-04-29 | 亳州普润药业有限公司 | Negative pressure type drying machine |
| CN114963706A (en) * | 2022-05-30 | 2022-08-30 | 西南大学 | Vacuum condensation drying device and application method thereof |
-
2019
- 2019-06-05 CN CN201920837329.1U patent/CN210532854U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344661A (en) * | 2020-11-12 | 2021-02-09 | 河南泓医药业有限公司 | Production device and production method of earthworm powder (freeze-dried) |
| CN114413581A (en) * | 2022-02-11 | 2022-04-29 | 亳州普润药业有限公司 | Negative pressure type drying machine |
| CN114963706A (en) * | 2022-05-30 | 2022-08-30 | 西南大学 | Vacuum condensation drying device and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210532854U (en) | Automatic drainage type vacuum drying oven | |
| CN201063035Y (en) | Apparatus for concrete slow freeze-thawing test | |
| CN203919267U (en) | Redwood vacuum drying casting all-in-one | |
| CN204120066U (en) | A kind of quantity-produced vacuum low-temperature frying food apparatus | |
| CN211631645U (en) | Rotary type quick thawing device for frozen food | |
| CN206358669U (en) | A kind of novel electrolyte barrel | |
| CN210569543U (en) | Freeze dryer | |
| CN108106054A (en) | A kind of net for air-source heat pump units using energy-saving defrosting device | |
| CN209764560U (en) | Unfreezing device for food detection | |
| CN208431895U (en) | A kind of cooling device based on organic reflux condensing tube | |
| CN207702768U (en) | A kind of net for air-source heat pump units using energy-saving defrosting device | |
| CN206420080U (en) | A kind of air-cooler for being provided with water tank water compensation mechanism | |
| CN205784070U (en) | Vacuum cooling driers high temperature and high pressure steam replaces ice melting system | |
| CN202509810U (en) | Safe energy-saving fresh-keeping storeroom | |
| RU166946U1 (en) | INSTALLATION FOR THERMAL VACUUM-PULSE DRYING OF FOOD MATERIALS | |
| CN212029982U (en) | Low-temperature frostless air cooler at subzero temperature | |
| CN210320851U (en) | A freeze-drying device for producing freeze-dried medicinal slices | |
| CN209655647U (en) | A kind of refrigeration equipment being convenient to clean | |
| CN210638379U (en) | Freeze dryer with good water catching effect | |
| CN203572256U (en) | Steam pulse deforesting structure from bottom to top of freeze dryer | |
| CN219368156U (en) | Tea sublimation drying equipment | |
| CN207106309U (en) | A kind of double space cold chain transportation car | |
| CN206472755U (en) | A kind of fresh keeping device for fruit | |
| CN206787189U (en) | Liquaemin low-temperature vacuum drying case | |
| CN206320986U (en) | Collecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |