CN210844405U - Vertical pressure steam sterilizer - Google Patents
Vertical pressure steam sterilizer Download PDFInfo
- Publication number
- CN210844405U CN210844405U CN201921107826.2U CN201921107826U CN210844405U CN 210844405 U CN210844405 U CN 210844405U CN 201921107826 U CN201921107826 U CN 201921107826U CN 210844405 U CN210844405 U CN 210844405U
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- Prior art keywords
- sealing cover
- sterilization
- barrel
- sterilizer
- fixing device
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 80
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 61
- 230000001954 sterilising effect Effects 0.000 claims abstract description 59
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000005485 electric heating Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000013519 translation Methods 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model provides a vertical pressure steam sterilizer, includes shell, heating bucket, sterilization bucket, electrothermal tube, sealed lid, water filling port, outlet, discharge valve, manometer, its characterized in that: the device also comprises a microcomputer, a display screen, a cooling barrel, a safety valve, a valve protective cap, a warning lamp, a buzzer, a control key, a gas pressure sensor and an arched sealing cover fixing device arranged on the shell. The utility model discloses a set up bow-shaped sealed lid fixing device, cooling layer, microcomputer, reach quick safe opening sterilizer, accomplish disinfection and sterilization cooling fast, whole process convenient operation, sterilization effect are reliable, high automation.
Description
Technical Field
The utility model relates to a vertical pressure steam sterilizer.
Background
The pressure steam sterilizer is a device for quickly and reliably sterilizing products by utilizing pressure saturated steam, is suitable for the aspects of medical sanitation, scientific research and agriculture, and is ideal equipment for sterilizing medical instruments, dressings, glassware, solution culture media and the like. In the existing pressure steam sterilizer, for example, a sterilization device in the pharmaceutical industry in patent No. CN201120422726.6, in particular to a vertical pressure steam sterilizer. The vertical pressure steam sterilizer comprises a pot body and a pot cover arranged above the pot body, and is characterized in that: the hand wheel is installed to the pot cover top, and right stand and relief valve, steam release valve are installed respectively to pot body right side, and left stand is installed on the left side of the pot body, is provided with the safety catch on the stand of a left side, and pot body front side is provided with control panel, and the control panel top sets up the manometer, and pot body rear side is provided with row steam, drain valve. The invention has the beneficial effects that: can carry out high-precision control to the disinfection and sterilization process, and has simple sealing structure and good disinfection and sterilization effects. But the sealing degree is not good enough during operation, the operation is not convenient enough, the potential safety hazard is easy to cause, and the sterilization and disinfection speed is slow.
Based on the problem, the utility model provides a new scheme reaches convenient operation, and is safe in utilization, and automated control sterilization temperature improves sterilization efficiency fast.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: a vertical pressure steam sterilizer is provided.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows: the utility model provides a vertical pressure steam sterilizer, includes shell, heating bucket, sterilization bucket, electrothermal tube, sealed lid, water filling port, outlet, discharge valve, manometer, its characterized in that: the device also comprises a microcomputer, a display screen, a cooling barrel, a safety valve, a valve protective cap, a warning lamp, a buzzer, a control key, a gas pressure sensor and an arched sealing cover fixing device arranged on the shell;
the sealing cover is a rotary translation and pressure type sealing cover, the size of the sealing cover is matched with that of the heating barrel, and the sealing cover is in a flat round table shape;
the arc-shaped sealing cover fixing device is arranged above the sterilizer shell and the sealing cover, one end of the arc-shaped sealing cover fixing device is connected with the shell through a rotating shaft, and the other end of the arc-shaped sealing cover fixing device is connected with the shell through a bolt; one end of the bolt can be opened by a knob and rotates around one end of the rotating shaft; the arched sealing cover fixing device is provided with a threaded column opposite to the center of the sealing cover, the threaded column penetrates through the arched sealing cover fixing device and is connected with the sealing cover through a screw hole, and the screw hole is fixed on a support welded on the sealing cover; the sealing cover can be driven to rise or fall when the threaded column is rotated; the bow-shaped sealing cover fixing device can drive the sealing cover to rotate when rotating around the rotating shaft.
Wherein, a cooling barrel is arranged in the sterilizer shell, the upper part of the cooling barrel is provided with a water filling port for connecting cooling water, and the lower part of the cooling barrel is provided with a water outlet for discharging the cooling water; the heating barrel is arranged in the cooling barrel and is supported in the cooling barrel through a metal support, the heating pipe, the water inlet and the water outlet are arranged at the bottom of the interior of the heating barrel, the water inlet and the water outlet are controlled through a high-pressure water-resistant valve arranged on the shell of the sterilizer, the heating pipe is heated by using electric energy, and a lead of the heating pipe is a waterproof high-temperature-resistant lead; the inside bottom of heating bucket is provided with the support except having the heating pipe for place the sterilization bucket, and sterilization barrel head portion and side are opened has a plurality of metal holes, and the sterilization steam of being convenient for gets into.
Furthermore, the cooling barrel is not communicated with the heating barrel, the upper part of the cooling barrel is sealed, the cooling barrel and the heating barrel can be preferably arranged to be of an integrated structure, a cavity between the cooling barrel and the heating barrel is a sealed cavity, and cooling water is contained in the cavity.
Further, a gas pressure sensor and a pressure gauge are arranged inside the heating barrel. One end of the pressure gauge is arranged in the heating barrel, and the other end of the pressure gauge penetrates through the shell of the sterilizer and is arranged on the shell of the sterilizer; the lead of the gas pressure sensor passes through the heating barrel and is connected with the microcomputer.
Furthermore, a microcomputer, a control key, a display screen, a warning light and a buzzer are arranged on the shell of the heating barrel. When the microcomputer controls the sterilization barrel to work, the warning lamp flashes red light, and after the sterilization is finished and the temperature and the pressure in the sterilization barrel are a certain set value, the microcomputer controls the warning lamp to be green and normally on and controls the buzzer to make a sound.
Furthermore, the upper surface of the sterilizer shell is provided with an arched sealing cover fixing device. One end of the bow-shaped sealing cover fixing device is connected with the sterilizer shell by a rotating shaft to form a bow-shaped rotating arm which can rotate around the rotating shaft; the other end of the rotating shaft is connected with the sterilizer shell through a bolt, and the rotating bolt can be rotated to disconnect the sterilizer shell so as to rotate around the rotating shaft. The center of the bow-shaped sealing cover fixing device is provided with a thread column which penetrates through the whole bow-shaped sealing cover fixing device and is connected with the sealing cover in a downward connection mode. The bottom of the threaded column is not provided with threads, and the diameter of the column at the bottom is larger than that of the column provided with the threaded part, and the sealing cover can be lifted or lowered by rotating the threaded column. When the rotary threaded column is lowered to a certain value, the threaded column abuts against the sealing cover and gives a pressure to the sealing cover, thereby sealing the whole sterilization barrel. When the arcuate seal cap retainer is rotated, the seal cap rotates with the arcuate seal cap retainer.
Preferably, the bolt at one end of the arcuate seal gland retainer is adapted to engage a handle, and rotation of the handle rotates the screw means, thereby rotating the arcuate seal gland retainer about the axis of rotation.
Preferably, the threaded post centrally disposed on the arcuate sealing gland fixture is provided with a handle for facilitating rotation of the entire threaded post.
Furthermore, the sealing cover is provided with an exhaust valve and a safety valve. The exhaust valve is used for manual exhaust, especially when the sterilizer takes place the accident condition, and manual cooling step-down to the sterilization bucket is preferably, still is provided with the handle with exhaust valve assorted. The safety valve body is a fine hole penetrating through the sealing cover, a fine metal pipe welded with the fine hole and a metal cap matched with the metal pipe, and when the pressure inside the sterilization barrel is higher than a certain value, the metal cap is pushed up by steam pressure to enable the sterilization barrel to be communicated with the atmosphere so as to reduce the pressure.
Preferably, a valve protection cap is further arranged on the safety valve. The valve protective cap is welded with the sealing cover to form an umbrella-shaped structure, so that the metal cap is prevented from falling off and high-temperature steam is prevented from being directly sprayed out to hurt people.
The utility model discloses a set up rotatory translation formula and open door, cooling barrel and microcomputer control's heating system soon, can open the sterilization bucket fast, heat sterilization and cooling fast, whole process automation control, the staff only need set up relevant sterilization temperature and sterilization time.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a right front view of an embodiment of the present invention.
In the figure, 1 is the external body of the sterilizer, 2.1 is the water inlet of the heating barrel, 2.2 is the water outlet of the heating barrel, 3.1 is the water outlet of the cooling barrel, 3.2 is the water inlet of the cooling barrel, 4 is the display screen, 5 is the pressure gauge, 6 is the safety valve, 7 is the bolt, 8 is the handle of the rotary bolt, 9 is the protective cap of the safety valve, 10 is the fixing device of the arch-shaped sealing cover, 11 is the handle of the threaded column, 12 is the exhaust valve, 13 is the rotating shaft, 14 is the control key of the sterilizer, 15 is the warning light, 16 is the buzzer, 17 is the sealing cover, 18 is the threaded column.
Fig. 2 is a perspective view of each pot body inside the embodiment of the present invention.
In the figure, A is a sterilization barrel, B is a sterilization barrel bracket, C is a cooling space of a cooling barrel, D is a cooling barrel, E is a sterilization barrel, F is a metal hole, G is a heating barrel space, H is a heating barrel, J is an electric heating pipe, and K is a gas pressure sensor.
Fig. 3 is a schematic view of the sealing cover, the bow-shaped sealing cover fixing device and the bolt according to the embodiment of the present invention.
In the figure, 7 is a bolt, 8 is a rotary bolt handle, 11 is a threaded column handle, 13 is a rotating shaft, 17 is a sealing cover, 18 is a bolt, and 20 is a thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development efforts may be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
Referring to fig. 1 and 2, a vertical pressure steam sterilizer comprises a shell 1, wherein a cooling barrel D, a heating barrel H, a sterilization barrel E, an electric heating pipe J and a sterilization barrel support B are arranged in the shell, a gas pressure sensor K is arranged above the inner wall of the heating barrel H, the heating barrel H is placed in the cooling barrel D, the sterilization barrel E is placed in the heating barrel H, and a plurality of metal holes F are formed in the bottom and the side of the sterilization barrel E.
Furthermore, the front surface of the shell is provided with a cooling water injection port 3.2 and a water outlet 3.1 of the cooling barrel D, a water inlet 2.1 and a water outlet 2.2 of the heating barrel H, and further, the water injection port 3.2, the water outlet 3.1, the water inlet 2.1 and the water outlet 2.2 are all provided with a high-temperature high-pressure valve.
Furthermore, the front side and the top of the shell are connected by an inclined panel and used for setting a control system of the steam sterilizer, wherein the microcomputer is arranged below the display screen 4 and is shielded by the display screen 4 in the figure, the left side of the display screen 4 is provided with the pressure gauge 5, the right side is a control key 14 of the steam sterilizer, the right side of the control key is a buzzer 16, and the right side of the buzzer 16 is a warning lamp 15.
Further, the microcomputer, the display screen 4, the control key 14, the gas pressure sensor K, the buzzer 16, the warning light 15 and the electric heating tube are connected by an internal circuit, and the microcomputer is used for controlling the sterilization temperature and the sterilization duration of the sterilizer; the control key is used for setting the sterilization temperature and the sterilization duration and displaying the sterilization temperature and the sterilization duration in the display screen 4; after the setting is finished, the steam sterilizer is started, and the microcomputer controls the warning lamp 15 to flicker to emit red light; when the set sterilization duration is reached, the microcomputer powers off an internal switch for controlling the electric heating tube J, stops heating, and controls the buzzer 16 to make a sound to prompt an operator to perform the next work; when the pressure inside the heating barrel H is greater than the atmospheric pressure, the warning lamp 15 is always red, and when the pressure inside the heating barrel H is less than the atmospheric pressure, the warning lamp 15 is green.
Further, two upright posts are arranged above the sterilizer casing 1 and are used for connecting the arch-shaped sealing cover fixing device 10. Further bow-shaped sealing cover fixing device 10 is connected with the upright post by a rotating shaft 13 at one end and is connected with the bolt 7 at the other end, preferably, the bolt can be provided with a handle 8 to facilitate the opening of the bolt 7.
Further, a sealing cover 17 is arranged above the sterilizer shell, a safety valve 6 and an exhaust valve 12 are arranged on the sealing cover 17, and further, a valve protection cap 9 is arranged on the safety valve 6, and the valve protection cap 9 is used for preventing the safety valve 6 from falling off due to overlarge pressure in the sterilization barrel E or other reasons.
Further, the sealing cover 17 is a truncated cone-shaped cover, a screw hole is arranged above the sealing cover 17 and is connected with the arched sealing cover fixing device 10 through a threaded column 18, further, the threaded column 18 penetrates through the arched sealing cover fixing device, and a handle 11 is preferably arranged on the threaded column 18 and is convenient for rotating the threaded column 18 to open the sealing cover 17.
As shown in fig. 3, the bottom of the bolt 18 is not provided with threads, and the diameter of the cylinder without threads is larger than that of the cylinder with threads, so that when the threaded column 18 rotates upwards, the threaded column 18 is locked with the sealing cover 17 after rotating to a proper position, and the handle 11 is further rotated, the threaded column 18 drives the sealing cover 17 upwards to open the sterilization barrel E; further, when the screw post 18 lifts the sealing cover 17 and the bolt 7 is opened, the rotating arcuate sealing cover fixing device 10 rotates the sealing cover 17, thereby opening the sealing cover 17 and taking out the sterilization barrel E. When the screw column 18 is rotated downwards, the bottom of the screw column 18 applies pressure to the sealing cover 17, thereby sealing the whole sterilization barrel.
Further, it should be noted that the size of the sealing cover 17 is matched with the heating barrel H, and the sealing cover 17 is also used for sealing the heating barrel H. The sealing material used is a high temperature resistant rubber material provided on the sealing cover 17 and the heating tub H.
Further, the work flow of the whole sterilizer is as follows: rotating the threaded column 18 and the bolt 7, rotating the bow-shaped sealing cover fixing device 10, opening the sealing cover 17, taking out the sterilization barrel E, closing the valve of the water outlet 2.2 of the heating barrel, opening the valve 2.1 of the water inlet of the heating barrel, and closing the valve of the water inlet 2.1 after adding a proper amount of water which is over the heating pipe J. After the material to be sterilized is placed, the heating barrel H is closed, the bolt 7 and the threaded post 18 are tightened, and the exhaust valve 12 is opened. The sterilization temperature range and the sterilization duration are set through the control key 14, and after the sterilization temperature range and the sterilization duration are set, the electric heating tube J is started to heat. When the exhaust valve 12 is seen to start to emit a large amount of white air, namely, the water in the heating barrel H is boiled, air begins to be exhausted outwards, and the exhaust valve 12 is closed to seal the whole heating barrel H. The heating pipe J continues to be heated, when the heating pipe J is heated to the preset highest sterilization temperature, because in the closed space, the gas pressure and the temperature are in direct proportion, namely the pressure in the sterilization barrel E also reaches a fixed value, at the moment, the microcomputer obtains data through the gas pressure sensor K to know that the temperature in the sterilization barrel accords with the preset highest temperature, and the microcomputer controls the relay to disconnect the power supply of the heating pipe J and stop heating. When the air pressure data obtained by the gas pressure sensor K is lower than the air pressure corresponding to the preset temperature range, the microcomputer controls the relay to be switched on, and the water in the heating barrel H is heated. And after the preset sterilization time is finished, the microcomputer controls the heating power supply to be disconnected and controls the buzzer 16 to make a sound, so that an operator is reminded to open the water filling port 3.2 of the cooling barrel D in the future to cool and reduce the pressure of the heating barrel H. When the pressure of the heating barrel H is reduced to be the same as the atmospheric pressure, the microcomputer judges that the pressure is safe at the moment through the pressure data obtained by the gas pressure sensor K, the microcomputer controls the warning lamp 15 to be green and normally on, and at the moment, an operator can open the sealing cover 17.
In the above operation, since the connection and control between one or more of the microcomputer, the relay, the gas pressure sensor K, the control key 14, the display screen 4, the buzzer 16, the warning light 15, and the like are already in the prior art, and the technical solution is also the above prior art, the connection relationship of the parts and the control operation for implementing the microcomputer are out of the protection scope of the technical solution.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a vertical pressure steam sterilizer, includes shell, heating bucket, sterilization bucket, electrothermal tube, sealed lid, water filling port, outlet, discharge valve, manometer, its characterized in that: the device also comprises a microcomputer, a display screen, a cooling barrel, a safety valve, a valve protective cap, a warning lamp, a buzzer, a control key, a gas pressure sensor and an arched sealing cover fixing device arranged on the shell;
the sealing cover is a rotary translation and pressure type sealing cover, the size of the sealing cover is matched with that of the heating barrel, and the sealing cover is in a flat round table shape;
the arc-shaped sealing cover fixing device is arranged above the sterilizer shell and the sealing cover, one end of the arc-shaped sealing cover fixing device is connected with the shell through a rotating shaft, and the other end of the arc-shaped sealing cover fixing device is connected with the shell through a bolt; one end of the bolt can be opened by a knob and rotates around one end of the rotating shaft; the arched sealing cover fixing device is provided with a threaded column opposite to the center of the sealing cover, the threaded column penetrates through the arched sealing cover fixing device and is connected with the sealing cover through a screw hole, and the screw hole is fixed on a support welded on the sealing cover; the sealing cover can be driven to rise or fall when the threaded column is rotated; the bow-shaped sealing cover fixing device can drive the sealing cover to rotate when rotating around the rotating shaft.
2. The vertical pressure steam sterilizer of claim 1, wherein: the cooling barrel is connected with the water injection port and the water discharge port, is arranged between the shell and the heating barrel, and cools the heating barrel through water injection; the sterilization barrel is arranged in the heating barrel through a support, and a plurality of steam holes are formed in the bottom and the side face of the sterilization barrel.
3. The vertical pressure steam sterilizer of claim 1, wherein: the microcomputer is connected with the warning lamp, the buzzer, the electric heating tube, the pressure gauge, the gas pressure sensor and the control key through an internal circuit to form a sterilizer control circuit; wherein the electric heating tube and the gas pressure sensor are arranged in the heating barrel.
4. The vertical pressure steam sterilizer of claim 1, wherein: the sterilization temperature and the sterilization duration can be set through the control key, and after sterilization is finished, the microcomputer starts the buzzer to remind that sterilization is finished.
5. The vertical pressure steam sterilizer of claim 1, wherein: the pressure sensor is arranged in the heating barrel and is connected with the microcomputer and the pressure gauge through leads.
6. The vertical pressure steam sterilizer of claim 1, wherein: the valve protective cap is welded with the sealing cover to form an umbrella-shaped structure, and a safety valve is arranged below the umbrella-shaped structure.
7. The vertical pressure steam sterilizer of claim 1, wherein: the warning light is arranged on the sterilizer shell and has two colors of red and green, and the two colors respectively represent different states of the sterilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921107826.2U CN210844405U (en) | 2019-07-15 | 2019-07-15 | Vertical pressure steam sterilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921107826.2U CN210844405U (en) | 2019-07-15 | 2019-07-15 | Vertical pressure steam sterilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210844405U true CN210844405U (en) | 2020-06-26 |
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ID=71296065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921107826.2U Expired - Fee Related CN210844405U (en) | 2019-07-15 | 2019-07-15 | Vertical pressure steam sterilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210844405U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075518A (en) * | 2020-09-21 | 2020-12-15 | 衡阳美怡佳食品有限公司 | High-pressure sterilization device with safety structure for producing lollipops |
| CN113697770A (en) * | 2021-10-15 | 2021-11-26 | 倍有智能科技(深圳)有限公司 | Vehicle-mounted aluminum-based hydrolysis hydrogen production reactor |
-
2019
- 2019-07-15 CN CN201921107826.2U patent/CN210844405U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075518A (en) * | 2020-09-21 | 2020-12-15 | 衡阳美怡佳食品有限公司 | High-pressure sterilization device with safety structure for producing lollipops |
| CN113697770A (en) * | 2021-10-15 | 2021-11-26 | 倍有智能科技(深圳)有限公司 | Vehicle-mounted aluminum-based hydrolysis hydrogen production reactor |
| CN113697770B (en) * | 2021-10-15 | 2023-02-21 | 倍有云端科技(广东)有限公司 | Vehicle-mounted aluminum-based hydrolysis hydrogen production reactor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 510800 Room 101, building 7, No. 31, Lianglong South Street, Huashan Town, Huadu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Leju daily chemical products Co.,Ltd. Address before: 510000 building 7, 41 Lianglong South Street, Huashan Town, Huadu District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Leju daily chemical products Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |