CN110108067B - Method for fermenting microorganisms by utilizing ground source heat pump - Google Patents
Method for fermenting microorganisms by utilizing ground source heat pump Download PDFInfo
- Publication number
- CN110108067B CN110108067B CN201910408113.8A CN201910408113A CN110108067B CN 110108067 B CN110108067 B CN 110108067B CN 201910408113 A CN201910408113 A CN 201910408113A CN 110108067 B CN110108067 B CN 110108067B
- Authority
- CN
- China
- Prior art keywords
- rod
- knob
- sliding
- vent hole
- selection
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M1/00—Apparatus for enzymology or microbiology
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
Abstract
A method for fermenting microorganisms by utilizing a ground source heat pump comprises a valve body connected with a pump body system, wherein a vent hole which is communicated with the upper part and the lower part is arranged in the valve body; the invention achieves the purpose of quantitatively controlling the heat flowing out of the ground source heat pump by artificially and autonomously limiting the number of the ventholes, provides a proper temperature environment for microbial fermentation, and can automatically start and limit the communication range of the communication part of the pump body system and the valve body when the temperature exceeds a rated limit value so as to prevent the temperature from exceeding the standard.
Description
Technical Field
The invention relates to the technical field of geothermal application, in particular to a method for fermenting microorganisms by utilizing a ground source heat pump.
Background
During the microbial fermentation process, the ambient temperature needs to be controlled. The traditional air-conditioning temperature control mode consumes electricity and wastes energy, and terrestrial heat is renewable stable energy, but the heat can be increased by geometric times through the processing of a ground source heat pump, and the high-temperature environment has fatal influence on microbial fermentation, so that the valve device capable of solving the problems is clarified by the invention.
Disclosure of Invention
The technical problem is as follows:
the traditional microbial fermentation temperature control technology is not environment-friendly due to insufficient energy utilization, but the temperature after processing by a ground source heat pump is too high, so that the fermentation of microbes is influenced.
In order to solve the problems, the embodiment designs a method for fermenting microorganisms by utilizing a ground source heat pump, the device used in the method is a temperature control valve device, the device comprises a valve body connected with a pump body system, a vent hole which is communicated up and down is arranged in the valve body, a spherical pipe is arranged in the vent hole, a gathering cavity which is communicated with the vent hole is arranged in the spherical pipe, an excess prevention device which is controlled by temperature and has the function of limiting the discharge of the gathering cavity is arranged in the gathering cavity, a knob which extends to the outer side is connected in the vent hole in a sliding way, the knob is positioned at the upper end of the spherical pipe, a selection groove with a downward opening is arranged on the knob, six selection switches which are distributed in an annular array are arranged in the selection groove, a dynamic valve group controlled by the selection switches is arranged in the selection groove, and an angle limiting device which is positioned at the, the air vent is internally and fixedly connected with a stop door positioned at the lower end of the knob, six quantifying holes distributed in an annular manner are communicated with the stop door, and the quantifying holes and the dynamic valve group are staggered.
Wherein, prevent the overranging device include with gathering chamber fixed connection's crossbeam, be equipped with temperature pipe on the crossbeam, be equipped with in the temperature pipe and deposit the water cavity, it has the ejector pin to deposit water cavity top inner wall sliding connection, the ejector pin lower extreme be equipped with deposit water cavity sliding connection's piston, the piston upper end with deposit and be connected with resistance spring between the water cavity top inner wall, the articulated chain pole that is connected with central symmetry in ejector pin upper end, be equipped with on the crossbeam about temperature pipe bilateral symmetry's spout, sliding connection has the stand on the spout, be equipped with on the stand with the articulated large tracts of land piece of connecting of chain pole.
Preferably, the large-area sheets are connected in a sliding mode, the upper side and the lower side of the large-area sheets are stacked in an opposite direction, through grooves with right openings are formed in the large-area sheets on the lower side, and the long chain rods are hinged with the large-area sheets on the upper side.
The selection switch comprises a starting rod which is connected with the inner wall of the selection groove in a sliding mode, a handle is arranged at the end, far away from the symmetrical center, of the starting rod, the end face of the outer side of the knob is rotatably connected with a limiting rod in butt joint with the handle, a torsion spring is connected between the limiting rod and the knob, and a push block located in the selection groove is arranged on the starting rod.
Wherein, dynamic valve group include with select groove top inner wall fixed connection's synchronizing shaft, be equipped with six slides that the annular distributes on the synchronizing shaft, sliding connection on the slide have with the elevator of ejector pad butt, the elevator upper end with be connected with extension spring between the slide, the elevator lower extreme is equipped with the spline piece, sliding connection has six convolute boards that the annular distributes in the air vent, it can cover to be equipped with in the board to spiral the door plant in ration hole, it is equipped with the opening and upwards just to the spline groove of the centre of a circle to spiral the board near the center of symmetry end.
The angle limiting device comprises a position indicating rod fixedly connected with the end face on the upper side of the knob, and a rotation limiting rod fixedly connected with the position indicating rod and abutted to the end face on one side of the circumference of the vent hole in the valve body.
Preferably, the position indicating rod is positioned on one side of the rotation limiting rod in the counterclockwise direction, and an included angle between the position indicating rod and the rotation limiting rod is thirty degrees.
The invention has the beneficial effects that: the invention achieves the purpose of quantitatively controlling the heat flowing out of the ground source heat pump by artificially and autonomously limiting the number of the ventholes, provides a proper temperature environment for microbial fermentation, and can automatically start and limit the communication range of the communication part of the pump body system and the valve body when the temperature exceeds a rated limit value, thereby protecting the temperature in the culture chamber from being overhigh and causing the failure of microbial fermentation.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of an apparatus used in a method for fermenting microorganisms using a ground source heat pump according to the present invention;
FIG. 2 is an enlarged schematic view of "A" of FIG. 1;
FIG. 3 is an enlarged schematic view of "B" of FIG. 1;
FIG. 4 is a schematic view of the structure "C-C" of FIG. 1;
FIG. 5 is a schematic view of the structure "D-D" of FIG. 1;
FIG. 6 is a schematic view of the structure of "E-E" of FIG. 1;
FIG. 7 is a schematic view of the structure of "F-F" in FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a method for fermenting microorganisms by utilizing a ground source heat pump, which is mainly applied to promoting the fermentation of the microorganisms by utilizing geothermal energy, and the invention is further explained by combining the attached drawings of the invention:
according to the invention, the device used in the method is a temperature control valve device, the device comprises a valve body 11 connected with a pump body system, a vent hole 12 communicated up and down is arranged in the valve body 11, a spherical pipe 19 is arranged in the vent hole 12, a gathering cavity 20 communicated with the vent hole 12 is arranged in the spherical pipe 19, an excess-proof device 901 controlled by temperature and used for limiting the discharge of the gathering cavity 20 is arranged in the gathering cavity 20, a knob 36 extending to the outside is connected in the vent hole 12 in a sliding way, the knob 36 is positioned at the upper end of the spherical pipe 19, a selection groove 34 with a downward opening is arranged on the knob 36, six selection switches 902 distributed in an annular array are arranged in the selection groove 34, a dynamic valve group 903 controlled by the selection switches 902 is arranged in the selection groove 34, the knob 36 is provided with an angle limiting device 904 positioned on the outer side of the vent hole 12, the vent hole 12 is fixedly connected with a shutter 28 positioned at the lower end of the knob 36, the shutter 28 is provided with six quantifying holes 30 distributed annularly, and the quantifying holes 30 and the dynamic valve group 903 are staggered;
when the method is used, the corresponding number of the selector switches 902 are moved according to the requirement, the dynamic valve group 903 is rotated, the discharge proportion of the vent holes 12 is influenced according to the overlapping number of the dynamic valve group 903 and the quantitative holes 30, and the excess-proof device 901 limits the heat flowing out of the gathering cavity 20 when the temperature exceeds a rated value.
According to an embodiment, the excess-proof device 901 is described in detail below, the excess-proof device 901 includes a cross beam 21 fixedly connected to a gathering cavity 20, an air temperature pipe 18 is disposed on the cross beam 21, a water storage cavity 16 is disposed in the air temperature pipe 18, a top rod 14 is slidably connected to an inner wall of a top end of the water storage cavity 16, a piston 17 slidably connected to the water storage cavity 16 is disposed at a lower end of the top rod 14, a resistance spring 15 is connected between an upper end of the piston 17 and an inner wall of a top end of the water storage cavity 16, a chain rod 24 with a central symmetry is hinged to an upper end of the top rod 14, a sliding groove 22 with a left-right symmetry about the air temperature pipe 18 is disposed on the cross beam 21, an upright column 23 is slidably connected to the sliding groove 22, and a large-area sheet 13 hinged to;
when the temperature exceeds the standard, a large amount of water vapor pushes the ejector rod 14 to move upwards, and the large-area sheets 13 move away from each other through the chain rods 24 to shield the communication position of the gathering cavity 20 and the vent hole 12.
Advantageously, the large area sheets 13 are connected in a sliding manner, and are stacked up and down in opposite directions, the large area sheet 13 on the lower side is provided with a through slot 43 with a right opening, and the chain rod 24 is long and short, and the long chain rod 24 is hinged with the large area sheet 13 on the upper side.
According to the embodiment, the selection switch 902 is described in detail below, the selection switch 902 includes an activation rod 32 slidably connected to an inner wall of the selection slot 34, a handle 40 is disposed at an end of the activation rod 32 away from a center of symmetry, a limit rod 39 abutted to the handle 40 is rotatably connected to an end face of an outer side of the knob 36, a torsion spring 38 is connected between the limit rod 39 and the knob 36, and a push block 35 located in the selection slot 34 is disposed on the activation rod 32;
when the air vent device is used, the limiting rod 39 is rotated, the sliding limitation on the handle 40 is removed, the handle 40 is pushed to slide towards one side of the air vent 12, and a corresponding number of handles 40 are pushed according to actual requirements.
According to an embodiment, a dynamic valve set 903 is described in detail below, where the dynamic valve set 903 includes a synchronizing shaft 37 fixedly connected to an inner wall of a top end of the selection slot 34, six annularly distributed slideways 27 are disposed on the synchronizing shaft 37, a lifting block 25 abutting against the push block 35 is slidably connected to the slideways 27, an extension spring 44 is connected between an upper end of the lifting block 25 and the slideways 27, a spline block 26 is disposed at a lower end of the lifting block 25, six annularly distributed spiral plates 29 are slidably connected to the vent hole 12, a door plate 31 capable of covering the quantitative hole 30 is disposed in each spiral plate 29, and a spline groove 33 opening upward and toward a center of a circle is disposed at a position, close to a symmetric center, of each spiral plate 29;
when the quantitative hole metering device is used, the spline block 26 slides into the spline groove 33, so that the power for rotating the synchronizing shaft 37 can sequentially pass through the spline block 26 and the spiral plate 29 to drive the door panel 31 to cover the upper side of the quantitative hole 30.
According to the embodiment, the angle limiting device 904 is described in detail below, the angle limiting device 904 comprises a position indicating rod 42 fixedly connected with the upper end surface of the knob 36, and a rotation limiting rod 41 abutted with the position indicating rod 42 is fixedly connected with the end surface of the valve body 11 on the circumferential side of the vent hole 12;
when the rotary knob is used, the rotating angle range of the rotary knob 36 is limited through the included angle between the position indicating rod 42 and the rotation limiting rod 41.
Beneficially, the position indicating rod 42 is located on the counterclockwise side of the rotation limiting rod 41, and an included angle between the position indicating rod 42 and the rotation limiting rod 41 is thirty degrees.
The following will describe in detail the use steps of a non-operator lifting and warning manhole cover with reference to fig. 1 to 7:
when the device works, the lower side of the valve body 11 is communicated and connected in a pump body system, the limiting rod 39 is rotated, the sliding limitation on the handle 40 is removed, the handle 40 is pushed to slide towards one side of the vent hole 12, a corresponding number of handles 40 are pushed according to the actual culture temperature requirement, at the moment, the force pushing the handle 40 sequentially passes through the starting rod 32, the pushing block 35 and the lifting block 25 to drive the spline block 26 to slide downwards until the spline block 26 slides into the spline groove 33, the knob 36 is rotated anticlockwise, the knob 36 is informed that the knob 36 can only rotate thirty degrees as the included angle between the indicating rod 42 and the limiting rod 41 is thirty degrees, at the moment, the door panel 31 is driven to rotate thirty degrees sequentially through the synchronizing shaft 37, the spline block 26 and the plate 29, so that the door panel 31 slides to the upper end of the quantitative hole 30 and closes the quantitative hole 30, and the autonomous temperature control selection is realized;
when the temperature exceeds the limit value, a large amount of water vapor pushes the piston 17 to move upwards, and the ejector rod 14 pushes the chain rod 24 to slide towards two sides, so that the large-area sheets 13 move away from each other, and the communication part of the gathering cavity 20 and the vent hole 12 is shielded.
The invention has the beneficial effects that: the invention achieves the purpose of quantitatively controlling the heat flowing out of the ground source heat pump by artificially and autonomously limiting the number of the ventholes, provides a proper temperature environment for microbial fermentation, and can automatically start and limit the communication range of the communication part of the pump body system and the valve body when the temperature exceeds a rated limit value, thereby protecting the temperature in the culture chamber from being overhigh and causing the failure of microbial fermentation.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (1)
1. A method for fermenting microorganisms by utilizing a ground source heat pump is disclosed, wherein a temperature control valve device comprises a valve body connected with a pump body system;
the valve body is internally provided with a vent hole which is communicated up and down, the vent hole is internally provided with a spherical pipe, the spherical pipe is internally provided with a gathering cavity which is communicated with the vent hole, and the gathering cavity is internally provided with an excess-proof device which is controlled by temperature and has a limiting effect on the discharge of the gathering cavity;
a knob extending to the outer side is connected in the air vent in a sliding manner and is positioned at the upper end of the spherical tube, a selection groove with a downward opening is formed in the knob, and six selection switches distributed in an annular array manner are arranged in the selection groove;
a dynamic valve group controlled by the selector switch is arranged in the selection groove, an angle limiting device positioned outside the vent hole is arranged on the knob, a stop door positioned at the lower end of the knob is fixedly connected in the vent hole, six quantifying holes distributed in an annular shape are communicated on the stop door, and the quantifying holes and the dynamic valve group are staggered;
the method is technically characterized in that: moving a corresponding number of the selector switches as required, rotating the dynamic valve group, influencing the discharge proportion of the vent holes according to the superposition number of the dynamic valve group and the quantitative holes, and limiting the heat flowing out of the gathering cavity by the over-limit prevention device when the temperature exceeds a rated value;
the excess-proof device comprises a cross beam fixedly connected with a gathering cavity, an air temperature pipe is arranged on the cross beam, a water storage cavity is arranged in the air temperature pipe, the inner wall of the top end of the water storage cavity is connected with a push rod in a sliding mode, the lower end of the push rod is provided with a piston in sliding connection with the water storage cavity, and a resistance spring is connected between the upper end of the piston and the inner wall of the top end of the water storage cavity;
the upper end of the ejector rod is hinged with a chain rod with central symmetry, the crossbeam is provided with sliding chutes which are bilaterally symmetrical relative to the air temperature pipe, the sliding chutes are connected with upright posts in a sliding manner, and the upright posts are provided with large-area pieces which are hinged with the chain rod;
after the temperature exceeds the standard, a large amount of water vapor pushes the ejector rod to move upwards, and the large-area pieces move away from each other through the chain rod to shield the communication part of the gathering cavity and the vent hole;
the large-area sheets are connected in a sliding mode, the upper side and the lower side of the large-area sheets are stacked in opposite directions, through grooves with right openings are formed in the large-area sheets on the lower side, the chain rods are long and short, and the long chain rods are hinged with the large-area sheets on the upper side;
the selection switch comprises a starting rod which is connected with the inner wall of the selection groove in a sliding manner, a handle is arranged at the end, away from the symmetrical center, of the starting rod, the end face of the outer side of the knob is rotatably connected with a limiting rod which is abutted against the handle, a torsion spring is connected between the limiting rod and the knob, and a push block which is positioned in the selection groove is arranged on the starting rod;
the limiting rod is rotated to remove the sliding limitation on the handles, the handles are pushed to slide towards one side of the vent holes, and a corresponding number of the handles are pushed according to actual requirements;
the dynamic valve group comprises a synchronizing shaft fixedly connected with the inner wall of the top end of the selection groove, and six slideways distributed in an annular mode are arranged on the synchronizing shaft;
the sliding rail is connected with a lifting block which is abutted against the push block in a sliding manner, an extension spring is connected between the upper end of the lifting block and the sliding rail, a spline block is arranged at the lower end of the lifting block, and six annularly distributed spiral plates are connected in the air vent in a sliding manner;
the door plate capable of covering the quantitative hole is arranged in the spiral plate, and a spline groove with an upward opening and towards the center of a circle is arranged at the end, close to the symmetrical center, of the spiral plate;
the spline block slides into the spline groove, so that the power for rotating the synchronous shaft can sequentially pass through the spline block and the spiral plate to drive the door plate to cover the upper side of the quantitative hole;
the angle limiting device comprises a position indicating rod fixedly connected with the end surface of the upper side of the knob, and a rotation limiting rod abutted against the position indicating rod is fixedly connected with the end surface of one side of the circumference of the vent hole in the valve body;
the rotating angle range of the knob is limited through the included angle between the position indicating rod and the rotation limiting rod;
the position indicating rod is positioned on the anticlockwise side of the rotation limiting rod, and an included angle between the position indicating rod and the rotation limiting rod is thirty degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408113.8A CN110108067B (en) | 2019-05-15 | 2019-05-15 | Method for fermenting microorganisms by utilizing ground source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408113.8A CN110108067B (en) | 2019-05-15 | 2019-05-15 | Method for fermenting microorganisms by utilizing ground source heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110108067A CN110108067A (en) | 2019-08-09 |
| CN110108067B true CN110108067B (en) | 2020-12-11 |
Family
ID=67490567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910408113.8A Active CN110108067B (en) | 2019-05-15 | 2019-05-15 | Method for fermenting microorganisms by utilizing ground source heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110108067B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178128B (en) * | 2006-11-06 | 2010-12-15 | 宁波鼎龙卫浴器材有限公司 | Scalding preventing protection valve |
| CN202148303U (en) * | 2011-06-30 | 2012-02-22 | 苏柯汉（潍坊）生物工程有限公司 | Seed tank used for microbial fermentation |
| CN202547901U (en) * | 2012-03-23 | 2012-11-21 | 合联达实业（深圳）有限公司 | LED lamp constant temperature test box |
| CN105802849A (en) * | 2014-12-27 | 2016-07-27 | 卡梅德生物科技（天津）有限公司 | Thermostat microbial fermentation tank with a gooseneck |
| US10046325B2 (en) * | 2015-03-27 | 2018-08-14 | Rechargeable Battery Corporation | Self-heating device for warming of biological samples |
| CN109261280A (en) * | 2018-09-21 | 2019-01-25 | 余储 | A kind of preparation method of pigment |
-
2019
- 2019-05-15 CN CN201910408113.8A patent/CN110108067B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110108067A (en) | 2019-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205294759U (en) | Improved generation is lift for construction | |
| CN113137845B (en) | Energy-saving heat-preservation drying box for processing traditional Chinese medicinal materials and traditional Chinese medicinal material processing technology | |
| CN114918491B (en) | Steel cutting device and method for offshore wind power flange | |
| CN110108067B (en) | Method for fermenting microorganisms by utilizing ground source heat pump | |
| CN103981865A (en) | Portable automatic feeding manual pile driving equipment and pile driving method | |
| CN103268123B (en) | A kind of solar energy collecting conveyer that can automatic sun-tracking | |
| CN103567702B (en) | Flywheel online gear ring quick press mounting method | |
| CN210049960U (en) | Automatic loading formula generating set container | |
| CN215691541U (en) | Ball serving equipment for sports tennis training | |
| CN203366128U (en) | Solar energy collection transmitter capable of automatically tracking the sun | |
| CN210154823U (en) | Automatic turning device for wall-mounted furnace test | |
| CN205843318U (en) | A kind of grain drier self-operated thermostatic controller device | |
| CN115505495A (en) | Microbial quick aerobic fermentation device and fermentation process thereof | |
| CN202037268U (en) | Wind cap rotary extrusion device for large-scale round roof fan | |
| CN204947998U (en) | A kind of having concurrently is fascinated, is turned round and the fan out formula solar power plant of lifting function | |
| CN204187860U (en) | Popular solar cooker | |
| CN107751429A (en) | It is a kind of to utilize solar energy and the tea leaf water-removing device of wind power generation | |
| CN208711899U (en) | A kind of feed grinding mill with drying function | |
| CN110469694B (en) | Three-position four-way reversing ring valve of pneumatic logistics transmission system | |
| CN207873048U (en) | A kind of automatic sand feeding device of numerical control core shooter | |
| CN110617181B (en) | Reversing device for improving wind energy utilization rate | |
| CN214779115U (en) | Automatic feeding device for welding machine | |
| CN215667021U (en) | Maintenance device for boiler | |
| CN107321772A (en) | A kind of high-efficiency environment friendly food waste treatment equipment | |
| CN109104147A (en) | A kind of photovoltaic panel with angle adjustment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201125 Address after: Jiaxing City, Zhejiang province Xiuzhou District 314000 Zhengyang Youchegang Township Road No. 199 Applicant after: JIAXING ZHENZHEN LAOLAO FOODS Co.,Ltd. Address before: 324000 No. 47, Shangfang Village, Jiuhua Township, Kecheng District, Quzhou City, Zhejiang Province Applicant before: Quzhou Kecheng Curtain Electronics Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |