CN108828686A - A kind of falling film evaporator plugging fault detection device - Google Patents
A kind of falling film evaporator plugging fault detection device Download PDFInfo
- Publication number
- CN108828686A CN108828686A CN201810967843.7A CN201810967843A CN108828686A CN 108828686 A CN108828686 A CN 108828686A CN 201810967843 A CN201810967843 A CN 201810967843A CN 108828686 A CN108828686 A CN 108828686A
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- manifold
- film evaporator
- falling film
- fault detection
- detection device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of falling film evaporator plugging fault detection devices,Including connection ring,First card slot and discharge chambe,The inside of the connection ring is equipped with fixing bolt,And the middle position of connection ring is provided with the first manifold,The second manifold is provided with below first manifold,And second the inside of manifold baffle is installed,The discharge chambe is installed on the end of the second manifold,The screw rod that the present invention is arranged can will be in the energy transmission to gear of side-to-side movement,Rotate gear,The rotary shaft of gear internal installation, which can facilitate, carries out kinetic energy transmitting,So as to drive indicators turn,It is mounted on the degree disk inside pressure gauge and can facilitate and read,When indicators turn is to certain position,The situation of change of pressure can be read by degree disk,So as to judge the stopping state inside falling film evaporator,Substantially increase the practicability of this kind of falling film evaporator plugging fault detection device.
Description
Technical field
The present invention relates to falling film evaporator equipment technical field, specially a kind of falling film evaporator plugging fault detection dress
It sets.
Background technique
Falling film evaporation is that feed liquid is added from falling film evaporator heating room upper tube box, through liquid distribution and film formation device,
It is even to be assigned in each heat exchanger tube, under gravity and vacuum induced and airflow function, flows from above to below, flow at uniformly membranaceous
Cheng Zhong is heated by shell side heat medium and is vaporized, and the steam and liquid phase of generation enter the separation chamber of evaporator jointly, and vapour-liquid is through abundant
Separation, steam enter condenser condensation (single-action operation) or enter lower 1st effective evaporator as heat medium, to realize multiple-effect
Operation, liquid phase are then discharged by separation chamber.
Falling film evaporator plugging fault detection device in the market will appear the unsteady situation of connection when in use, and
The problem of junction there is also leakage, while general fault detection means is usually all to transmit ability by circuit signal
The problem of detection falling film evaporator blocks, but using for this device is complicated, operating difficulties, and device internal circuit
Failure frequent occurrence is understood, to will affect the service life of device, and this device also occurs that the problem of information is reported by mistake, is
This, it is proposed that a kind of higher falling film evaporator plugging fault detection device of practicability.
Summary of the invention
The purpose of the present invention is to provide a kind of falling film evaporator plugging fault detection devices, solve existing falling liquid film and steam
Hair device plugging fault detection device will appear the unsteady situation of connection when in use, and there is also leakage in junction
Problem, while general fault detection means is usually all that could detect falling film evaporator by circuit signal transmitting to block
The problem of, but this device using complicated, operating difficulties, and device internal circuit can failure frequent occurrence, thus meeting
The service life of device is influenced, and this device also occurs that the problem of information is reported by mistake.
To achieve the above object, the present invention provides the following technical solutions：Including connection ring, the first card slot and discharge chambe, institute
The inside for stating connection ring is equipped with fixing bolt, and the middle position of connection ring is provided with the first manifold, first manifold
Lower section is provided with the second manifold, and the inside of the second manifold is equipped with baffle, and the discharge chambe is installed on the end of the second manifold.
Preferably, the left end of the connection ring is provided with fixing groove, and the inside of fixing groove is equipped with rubber ring, described solid
Determine bolt-through to fit closely in the inside of connection ring, and between fixing bolt and rubber ring, and rubber ring and fixing groove it
Between constitute snap-in structure.
Preferably, the bottom end of the baffle is connected with shaft, and the top of baffle is provided with the second card slot, and the baffle is logical
It crosses between shaft and the second manifold and constitutes rotational structure, and constitute snap-in structure between the second card slot and baffle.
Preferably, first card slot is installed on the inside of the first manifold, the baffle by shaft and the first manifold it
Between constitute rotational structure, and snap-in structure is constituted between the first card slot and baffle, and the rectangular structure in one side of the first card slot,
The another side of the first card slot is a circular-arc structure simultaneously.
Preferably, the inside of the discharge chambe is equipped with piston, and the right end of piston is connected with connecting rod, the connecting rod
Outside spring is installed, and the right end of spring is equipped with limit plate, fits closely between the discharge chambe and piston, and piston
By constituting stretching structure between connecting rod and spring.
Preferably, the outer surface of the piston is provided with seal groove, and the inside of seal groove is equipped with sealing ring, described close
Snap-in structure is constituted between sealing groove and sealing ring, and the structure of sealing ring is wedge structure.
Preferably, the outer surface of the connecting rod is equipped with sliding block, and the outside of sliding block is provided with regulating tank, the connection
Bar is by constituting slide construction between sliding block and regulating tank and discharge chambe, and the sliding distance of sliding block is 0-10cm.
Preferably, the limit plate is internally provided with through-hole, and the inside of through-hole is equipped with screw rod, under the screw rod
Side is equipped with gear, and the inside of gear is equipped with rotary shaft, the screw rod by through-hole through the inside of limit plate, and spiral shell
It is to engage connection between bar and gear.
Preferably, the left end of the rotary shaft is equipped with first bearing, and the right end of the discharge chambe is equipped with pressure gauge, and
The inside of pressure gauge is equipped with degree disk, and the inside of the degree disk is equipped with second bearing, and the right end installation of second bearing
There is pointer, the rotary shaft constitutes rotation knot through the inside of first bearing and second bearing, and between rotary shaft and pointer
Structure.
Compared with prior art, beneficial effects of the present invention are as follows：
1, the first manifold and the second manifold can be connected to falling liquid film by the fixing bolt being mounted in connection ring and steamed by the present invention
It sends out on device, rubber ring is fastened in fixing groove, can be avoided falling off for rubber ring, and the thickness of rubber ring is greater than the depth of fixing groove
Degree, so as to fit closely the outer wall of rubber ring and falling film evaporator, so as to avoid what junction revealed from asking
Topic.
2, the present invention can stop gas or liquid to enter in discharge chambe in the baffle of the second manifold interior setting, and baffle is logical
The shaft for crossing installation is able to carry out rotation, and so as to open the second manifold at any time, baffle is fastened in the second card slot, only enough
Enough big pressure, could flap shutter, the gas of blocking or liquid are imported in discharge chambe, the first card installed in the first manifold
One jiao of slot is arranged to right angle, so as to make baffle play the role of check valve, avoids the liquid or gas flowed into discharge chambe
Body is flowed out from the first manifold, and is impacted to the testing result of device.
3, the discharge chambe that the present invention installs can collect the gas or liquid for largely entering discharge chambe, so as to piston
It causes to squeeze, this makes it possible to push piston motion, be in close contact between discharge chambe and piston, compressed so as to avoid flowing into
Gas or liquid in room are overflowed from the two junction, can engage sealing ring in the seal groove of outer surface of piston setting, not right
Claiming the sealing ring of structure can be distorted deformation under the effect of external force, can reduce the friction to sealing ring by torsional deformation
And abrasion, and when piston stretches, sealing ring can be scraped by distortion paste it is water stain on inside discharge chambe.
4, the piston motion that the present invention installs is able to drive spring and is compressed, and the spring of compression can store elastic force, side
Piston is helped to reset under the action of not by pressure, the connecting rod of connection can facilitate by the sliding block and regulating tank of installation to be slided
Dynamic, so as to transfer the pressure on screw rod, the length of the regulating tank of installation is to limit, so as to avoid piston from occurring
The problem of excessively upholding or compress, plays the role of protection to the entirety of device.
5, the screw rod that the present invention is arranged can be such that gear is rotated, tooth in the energy transmission to gear of side-to-side movement
The internal rotary shaft installed of wheel, which can facilitate, carries out kinetic energy transmitting, so as to drive indicators turn, is mounted on the outside of rotary shaft
First bearing and second bearing can play the role of support to rotary shaft, and also can be reduced rotary shaft rotation when generation
Friction, be mounted on the degree disk inside pressure gauge and can facilitate and read, when indicators turn is to certain position, degree of passing through
The situation of change that number disk can read pressure substantially increases this so as to judge the stopping state inside falling film evaporator
The practicability of kind falling film evaporator plugging fault detection device.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is partial enlargement structural representation at A in Fig. 1 of the present invention.
Fig. 3 is screw rod of the present invention and gear junction structural schematic diagram.
Fig. 4 is partial structural diagram inside pressure gauge of the present invention.
Fig. 5 is discharge chambe of the present invention and piston junction partial enlargement structural representation.
In figure：1, connection ring, 2, fixing bolt, 3, fixing groove, 4, rubber ring, the 5, first manifold, the 6, second manifold, 7, gear
Plate, the 8, first card slot, 9, discharge chambe, 10, piston, 11, seal groove, 12, connecting rod, 13, sliding block, 14, regulating tank, 15, spring,
16, limit plate, 17, through-hole, 18, screw rod, 19, pressure gauge, 20, degree disk, 21, pointer, 22, shaft, the 23, second card slot, 24,
Rotary shaft, 25, gear, 26, first bearing, 27, second bearing, 28, sealing ring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of falling film evaporator plugging fault detection device, including connection ring 1, fixing bolt 2, fixation
Slot 3, rubber ring 4, the first manifold 5, the second manifold 6, baffle 7, the first card slot 8, discharge chambe 9, piston 10, seal groove 11, connection
Bar 12, sliding block 13, regulating tank 14, spring 15, limit plate 16, through-hole 17, screw rod 18, pressure gauge 19, degree disk 20, pointer 21,
Shaft 22, the second card slot 23, rotary shaft 24, gear 25, first bearing 26, second bearing 27 and sealing ring 28, connection ring 1 it is interior
Portion is equipped with fixing bolt 2, and the middle position of connection ring 1 is provided with the first manifold 5, and the left end of connection ring 1 is provided with fixation
Slot 3, and the inside of fixing groove 3 is equipped with rubber ring 4, fixing bolt 2 is through the inside of connection ring 1, and fixing bolt 2 and rubber
It is fitted closely between rubber ring 4, and constitutes snap-in structure between rubber ring 4 and fixing groove 3, by being mounted in connection ring 1
First manifold 5 and the second manifold 6 can be connected on falling film evaporator by fixing bolt 2, and rubber ring 4 is fastened in fixing groove 3,
It can be avoided falling off for rubber ring 4, the thickness of rubber ring 4 is greater than the depth of fixing groove 3, so as to make rubber ring 4 and falling liquid film
The outer wall of evaporator fits closely, and so as to avoid the problem that junction is revealed, the lower section of the first manifold 5 is provided with
Two manifolds 6, and the inside of the second manifold 6 is equipped with baffle 7, the bottom end of baffle 7 is connected with shaft 22, and the top of baffle 7 is set
It is equipped with the second card slot 23, baffle 7 is by constituting rotational structure, and the second card slot 23 and baffle 7 between shaft 22 and the second manifold 6
Between constitute snap-in structure, the baffle 7 being arranged inside the second manifold 6, which plays, stops gas or liquid to enter in discharge chambe 9, keeps off
Plate 7 is able to carry out rotation by the shaft 22 of installation, and so as to open the second manifold 6 at any time, baffle 7 is fastened on the second card slot
In 23, only sufficiently large pressure, ability flap shutter 7 is imported the gas of blocking or liquid in discharge chambe 9, the first card slot 8
It is installed on the inside of the first manifold 5, baffle 7 is by constituting rotational structure, and the first card slot 8 between shaft 22 and the first manifold 5
Snap-in structure, and the rectangular structure in one side of the first card slot 8 are constituted between baffle 7, while the another side of the first card slot 8 is in
One jiao of arc-shaped structure, the first card slot 8 installed in the first manifold 5 is arranged to right angle, so as to play baffle 7 unidirectionally
The effect of valve avoids flowing into liquid or gas in discharge chambe 9 and flows out from the first manifold 5, and makes to the testing result of device
At influence, discharge chambe 9 is installed on the end of the second manifold 6, and the inside of discharge chambe 9 is equipped with piston 10, and the right end of piston 10
It is connected with connecting rod 12, the outside of connecting rod 12 is equipped with spring 15, and the right end of spring 15 is equipped with limit plate 16, discharge chambe
It is fitted closely between 9 and piston 10, and piston 10 is by constituting stretching structure, the compression of installation between connecting rod 12 and spring 15
Room 9 can collect the gas or liquid for largely entering discharge chambe 9, and so as to cause to squeeze to piston 10, this makes it possible to push away
Piston 10 moves, and is in close contact between discharge chambe 9 and piston 10, so as to avoid the gas or liquid that flow into discharge chambe 9
Body is overflowed from the two junction, and the outer surface of piston 10 is provided with seal groove 11, and the inside of seal groove 11 is equipped with sealing ring
28, snap-in structure is constituted between seal groove 11 and sealing ring 28, and the structure of sealing ring 28 is wedge structure, in 10 appearance of piston
The seal groove 11 of face setting can engage sealing ring 28, and the sealing ring 28 of dissymmetrical structure can be distorted under the effect of external force
Deformation, can reduce the friction and wear to sealing ring 28 by torsional deformation, and when piston 10 stretches, and sealing ring 28 is logical
It crosses distortion and can scrape and paste water stain on inside discharge chambe 9, the outer surface of connecting rod 12 is equipped with sliding block 13, and sliding block 13
Outside be provided with regulating tank 14, connecting rod 12 by constituting slide construction between sliding block 13 and regulating tank 14 and discharge chambe 9, and
The sliding distance of sliding block 13 is 0-10cm, and the movement of piston 10 of installation is able to drive spring 15 and is compressed, the spring 15 of compression
Elastic force can be stored, piston 10 is helped to reset under the action of not by pressure, the sliding block 13 that the connecting rod 12 of connection passes through installation
It can facilitate with regulating tank 14 and be slided, so as to transfer the pressure on screw rod 18, the length of the regulating tank 14 of installation
It is to limit, so as to avoid the problem that excessively upholding or compressing occur in piston 10, the work of protection is played to the entirety of device
With limit plate 16 is internally provided with through-hole 17, and the inside of through-hole 17 is equipped with screw rod 18, and the lower section installation of screw rod 18 is with teeth
Wheel 25, and the inside of gear 25 is equipped with rotary shaft 24, screw rod 18 by through-hole 17 through the inside of limit plate 16, and screw rod
To engage connection between 18 and gear 25, the screw rod 18 of setting can make tooth in the energy transmission of side-to-side movement to gear 25
Wheel 25 is rotated, and the rotary shaft 24 installed inside gear 25, which can facilitate, carries out kinetic energy transmitting, so as to drive pointer 21
Rotation, the left end of rotary shaft 24 are equipped with first bearing 26, and the right end of discharge chambe 9 is equipped with pressure gauge 19, and pressure gauge 19
Inside is equipped with degree disk 20, and the inside of degree disk 20 is equipped with second bearing 27, and the right end of second bearing 27 is equipped with finger
Needle 21, rotary shaft 24 constitute rotation through the inside of first bearing 26 and second bearing 27 between rotary shaft 24 and pointer 21
Rotation structure, the first bearing 26 and second bearing 27 that are mounted on 24 outside of rotary shaft can play the work of support to rotary shaft 24
With, and also can be reduced the friction that rotary shaft 24 is generated in rotation, the degree disk 20 being mounted on inside pressure gauge 19 can be square
Just it is read, when pointer 21 turns to certain position, the situation of change of pressure can be read by degree disk 20, so as to
Enough judge the stopping state inside falling film evaporator, substantially increases the practical of this kind of falling film evaporator plugging fault detection device
Property.
Working principle：For this kind of falling film evaporator plugging fault detection device, first by being mounted in connection ring 1
Fixing bolt 2 first manifold 5 and the second manifold 6 can be connected on falling film evaporator, the rubber being fastened on inside fixing groove 3
Rubber ring 4 can play the role of anti-leak, the gas or liquid when blocking inside falling film evaporator, in falling film evaporator
It can be entered in discharge chambe 9 by the second manifold 6, baffle 7 is able to carry out rotation by the shaft 22 of installation, so as at any time
The second manifold 6 is opened, baffle 7 is fastened in the second card slot 23, only sufficiently large pressure, ability flap shutter 7, by blocking
Gas or liquid import in discharge chambe 9, when stopping state than it is more serious when, gas or liquid in falling film evaporator can also lead to
The first manifold 5 to be crossed to enter in discharge chambe 9, one jiao of the first card slot 8 installed in the first manifold 5 is arranged to right angle, so as to
So that baffle 7 is played the role of check valve, avoids flowing into liquid or gas in discharge chambe 9 and flowed out from the first manifold 5, into pressure
Gas or liquid in contracting room 9 can cause to squeeze to piston 10, and this makes it possible to push piston 10 to move, piston 10 moves energy
Enough spring 15 is driven to be compressed, the spring 15 of compression can store elastic force, help piston 10 multiple under the action of not by pressure
Position, the limit plate 16 for being mounted on 15 end of spring can play barrier effect to spring 15, and small through-hole 17, which is arranged, to be kept away
Exempt to have in liquid inlet pressure table 19, piston 10 is able to drive the movement of connecting rod 12,13 He of sliding block that connecting rod 12 passes through installation
Regulating tank 14, which can facilitate, to be slided, and so as to transfer the pressure on screw rod 18, screw rod 18 can be by side-to-side movement
In energy transmission to gear 25, rotate gear 25, the rotary shaft 24 being applied in inside gear 25 and pointer 21 being capable of band
Dynamic pointer 21 rotates, and when pointer 21 turns to certain position, the situation of change of pressure can be read by degree disk 20, thus
The stopping state inside falling film evaporator can be judged, so that the practicability of entire falling film evaporator plugging fault detection device obtains
It is improved to good, completes the use process of entire falling film evaporator plugging fault detection device like this.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of falling film evaporator plugging fault detection device, including connection ring（1）, the first card slot（8）And discharge chambe（9）,
It is characterized in that：The connection ring（1）Inside fixing bolt is installed（2）, and connection ring（1）Middle position be provided with first
Manifold（5）, first manifold（5）Lower section be provided with the second manifold（6）, and the second manifold（6）Inside baffle is installed
（7）, the discharge chambe（9）It is installed on the second manifold（6）End.
2. a kind of falling film evaporator plugging fault detection device according to claim 1, it is characterised in that：The connection ring
（1）Left end be provided with fixing groove（3）, and fixing groove（3）Inside rubber ring is installed（4）, the fixing bolt（2）Run through
In connection ring（1）Inside, and fixing bolt（2）With rubber ring（4）Between fit closely, and rubber ring（4）With fixing groove
（3）Between constitute snap-in structure.
3. a kind of falling film evaporator plugging fault detection device according to claim 1, it is characterised in that：The baffle
（7）Bottom end be connected with shaft（22）, and baffle（7）Top be provided with the second card slot（23）, the baffle（7）Pass through shaft
（22）With the second manifold（6）Between constitute rotational structure, and the second card slot（23）With baffle（7）Between constitute snap-in structure.
4. a kind of falling film evaporator plugging fault detection device according to claim 1, it is characterised in that：First card
Slot（8）It is installed on the first manifold（5）Inside, the baffle（7）Pass through shaft（22）With the first manifold（5）Between constitute rotation
Structure, and the first card slot（8）With baffle（7）Between constitute snap-in structure, and the first card slot（8）The rectangular structure in one side,
First card slot simultaneously（8）Another side be a circular-arc structure.
5. a kind of falling film evaporator plugging fault detection device according to claim 1, it is characterised in that：The discharge chambe
（9）Inside piston is installed（10）, and piston（10）Right end be connected with connecting rod（12）, the connecting rod（12）Outside
Spring is installed（15）, and spring（15）Right end limit plate is installed（16）, the discharge chambe（9）With piston（10）Between it is tight
Closely connected conjunction, and piston（10）Pass through connecting rod（12）With spring（15）Between constitute stretching structure.
6. a kind of falling film evaporator plugging fault detection device according to claim 5, it is characterised in that：The piston
（10）Outer surface be provided with seal groove（11）, and seal groove（11）Inside sealing ring is installed（28）, the seal groove
（11）With sealing ring（28）Between constitute snap-in structure, and sealing ring（28）Structure be wedge structure.
7. a kind of falling film evaporator plugging fault detection device according to claim 5, it is characterised in that：The connecting rod
（12）Outer surface sliding block is installed（13）, and sliding block（13）Outside be provided with regulating tank（14）, the connecting rod（12）It is logical
Cross sliding block（13）And regulating tank（14）With discharge chambe（9）Between constitute slide construction, and sliding block（13）Sliding distance be 0-
10cm。
8. a kind of falling film evaporator plugging fault detection device according to claim 5, it is characterised in that：The limit plate
（16）Be internally provided with through-hole（17）, and through-hole（17）Inside screw rod is installed（18）, the screw rod（18）Lower section peace
Equipped with gear（25）, and gear（25）Inside rotary shaft is installed（24）, the screw rod（18）Pass through through-hole（17）Through
Limit plate（16）Inside, and screw rod（18）With gear（25）Between for engagement connection.
9. a kind of falling film evaporator plugging fault detection device according to claim 8, it is characterised in that：The rotary shaft
（24）Left end first bearing is installed（26）, the discharge chambe（9）Right end pressure gauge is installed（19）, and pressure gauge（19）
Inside degree disk is installed（20）, the degree disk（20）Inside second bearing is installed（27）, and second bearing（27）
Right end pointer is installed（21）, the rotary shaft（24）Through first bearing（26）And second bearing（27）Inside, and
Rotary shaft（24）With pointer（21）Between constitute rotational structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967843.7A CN108828686A (en) | 2018-08-23 | 2018-08-23 | A kind of falling film evaporator plugging fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967843.7A CN108828686A (en) | 2018-08-23 | 2018-08-23 | A kind of falling film evaporator plugging fault detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108828686A true CN108828686A (en) | 2018-11-16 |
Family
ID=64150531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810967843.7A Withdrawn CN108828686A (en) | 2018-08-23 | 2018-08-23 | A kind of falling film evaporator plugging fault detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108828686A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616003A (en) * | 2019-01-31 | 2019-04-12 | 浙江理工大学 | A kind of mechanical kinetic energy transmission teaching guidance model |
| CN111921216A (en) * | 2020-07-29 | 2020-11-13 | 周民主 | Light component removal rectifying tower |
| CN112578084A (en) * | 2020-12-09 | 2021-03-30 | 贵州盘江煤电集团技术研究院有限公司 | Detection device is administered to colliery gas in pit |
| CN114061647A (en) * | 2021-09-29 | 2022-02-18 | 君原电子科技(海宁)有限公司 | Blockage detection device for fine holes of electrostatic chuck |
| CN114208796A (en) * | 2021-12-28 | 2022-03-22 | 新泰市国有土门林场 | Forestry disease and pest control device based on internet |
-
2018
- 2018-08-23 CN CN201810967843.7A patent/CN108828686A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616003A (en) * | 2019-01-31 | 2019-04-12 | 浙江理工大学 | A kind of mechanical kinetic energy transmission teaching guidance model |
| CN111921216A (en) * | 2020-07-29 | 2020-11-13 | 周民主 | Light component removal rectifying tower |
| CN112578084A (en) * | 2020-12-09 | 2021-03-30 | 贵州盘江煤电集团技术研究院有限公司 | Detection device is administered to colliery gas in pit |
| CN112578084B (en) * | 2020-12-09 | 2022-07-26 | 贵州盘江煤电集团技术研究院有限公司 | Detection device is administered to colliery gas in pit |
| CN114061647A (en) * | 2021-09-29 | 2022-02-18 | 君原电子科技(海宁)有限公司 | Blockage detection device for fine holes of electrostatic chuck |
| CN114208796A (en) * | 2021-12-28 | 2022-03-22 | 新泰市国有土门林场 | Forestry disease and pest control device based on internet |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |
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| WW01 | Invention patent application withdrawn after publication |