CN207633422U - A kind of squelch type seawater pressurized equipment - Google Patents
A kind of squelch type seawater pressurized equipment Download PDFInfo
- Publication number
- CN207633422U CN207633422U CN201820735468.9U CN201820735468U CN207633422U CN 207633422 U CN207633422 U CN 207633422U CN 201820735468 U CN201820735468 U CN 201820735468U CN 207633422 U CN207633422 U CN 207633422U
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- Prior art keywords
- water
- pressure
- shell
- microprocessor
- pressure sensor
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- 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.)
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- 239000013535 sea water Substances 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 239000013505 freshwater Substances 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 229920001967 Metal rubber Polymers 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of squelch type seawater pressurized equipments, including：Microprocessor, immersible pump, first pressure sensor, second pressure sensor, wherein the immersible pump includes shell, variable-frequency motor and the pump housing in shell；Fresh-water generator and sea water purifier are also equipped on inlet pipeline successively；The shell is made of side wall, roof and bottom wall, and the side wall and bottom wall of the shell are both provided with insulation board and mounting plate, and damper is equipped between the mounting plate and insulation board of the side wall of the shell；The first sensor is for monitoring discharge pressure, and the second pressure sensor is for detecting intake pressure；The microprocessor receives the pressure signal that first, second pressure sensor is sent and is compared with the reference pressure value of setting, to carry out frequency control to the variable-frequency motor of the immersible pump.The utility model realizes small, low noise and can utilize the purpose of original hydraulic pressure realization varying speed and constant pressure feed water in water supply network.
Description
Technical field
The utility model belongs to extra large water reuse field more particularly to a kind of squelch type seawater pressurized equipment.
Background technology
In recent years, in area of bordering on the sea, the application of seawater is increasingly brought into schedule.After seawater is transported to each cell, usually need
Secondary pressurized equipment is wanted to pressurize.Currently, mainly being had using universal and more advanced technology equipment in water system of pressurizeing
Following two categories：
The first kind：Water source directly draw water on the net without negative pressure automatic supply equipment.Main body is water pump assembly and Wei Chu
Manage device and correlate meter.The equipment need not build storage cistern, can make full use of water source pipe network water pressure, while can be used according to water object
The variation of Water l oad reaches constant pressure water supply by frequency control, saves energy consumption.
Second class：Using pump housing water suction full-automatic water-supply apparatus in pond.Main body is water body (pond), water pump group, micro-
Processor and correlate meter.The equipment cannot make full use of the hydraulic pressure in water source pipe network, but also can be according to user's Water l oad
Variation constant pressure water supply is achieved the effect that by frequency control.
Above two equipment is the problem is that have limitation.Although first kind equipment occupied space compares traditional water supply
Equipment is small, but also the same with traditional supply equipment, needs to build special pump house；The second class equipment pump housing must have the water of water suction
Body (pond) cannot be applied and make full use of the free pressure of water source pipe network, cause the waste of the energy, and easily cause secondary pollution；And
And above two equipment composition easy tos produce noise in operation process.
Utility model content
The purpose of this utility model is to provide a kind of squelch type seawater pressurized equipment, to realize small, low noise, simultaneously
The purpose of varying speed and constant pressure feed water can be realized using original hydraulic pressure in water supply network.
To achieve the goals above, the utility model provides the following technical solutions：
A kind of squelch type seawater pressurized equipment, including：Microprocessor, immersible pump, first pressure sensor, second pressure pass
Sensor, wherein
The immersible pump, including shell, variable-frequency motor and the pump housing in shell offer water inlet on the shell
And water outlet, it is also equipped with fresh-water generator and seawater successively on the inlet pipeline where water inlet main valve and the city water-supply pipe network
Clarifier, the fresh-water generator are equipped with concentration detector, and the concentration detector is connect with the microprocessor signals, institute
Microprocessor is stated to control the valve opening of the sea water purifier according to the signal that the concentration detector is sent and will meet light
The water of water quality standard injects in the sea water purifier；
The water inlet connects city water-supply pipe network by main valve of intaking, and the water outlet connects user by being discharged main valve
With grid, the variable-frequency motor is electrically connected the microprocessor；The shell is made of side wall, roof and bottom wall, the shell
The side wall and bottom wall of body are both provided with insulation board and mounting plate, and the mounting plate opposing insulation plate is located inside, the shell
Damper is installed between the mounting plate and insulation board of side wall；
First, second pressure sensor, is separately connected the microprocessor, and the first pressure sensor is placed in institute
State water outlet, for monitoring discharge pressure, the second pressure sensor be placed in it is described into immersible pump bottom, be preferably placed at into
Near the mouth of a river, for detecting intake pressure, the pressure signal that first, second pressure sensor respectively obtains each self-test
It is sent to the microprocessor；
The microprocessor, is separately connected first, second pressure sensor and variable-frequency motor, receives described the
One, second pressure sensor send pressure signal and be compared with the reference pressure value of setting, with to the immersible pump
Variable-frequency motor carries out frequency control, it is made to be discharged with constant pressure.
Further, the water outlet is opened on the roof of shell, and the water inlet is opened in below the side wall of shell.
Further, it is also equipped with damper between the mounting plate and insulation board of the bottom wall.
Further, the damper is metal-rubber damper.
Further, it is also equipped with anticorrosive board on the outside of the insulation board of bottom wall.
Further, also it is provided with a holder outward on the side wall of the shell, the microprocessor is located at the branch
On frame.
Further, it is respectively arranged at the inlet and outlet of the immersible pump into Water Check Valve and water outlet non-return
Valve.
Compared with prior art, a kind of squelch type seawater pressurized equipment provided by the utility model, has the following advantages and
Advantageous effect：
1, single unit system takes up space small, without configuring special pump house, can save pump house construction investment；
2, energy consumption is relatively low, can make full use of the original hydraulic pressure of city water-supply pipe network, and realized on this basis by microprocessor
The constant pressure water supply that device is adjusted；
3, used pump configuration, immersible pump are arranged in shell, and damping and noise reduction are realized by damper, when operation
System noise is smaller, is adapted to mount to work and living area；
4, it is not necessarily to special tank, the water in pump can update and non-secondary pollution problem at any time, and hygienic quality situation is preferable；
5, can be realized according to microprocessor to the variable frequency adjustment of pump, for the phase shortage of single unit system, under-voltage, over-pressed, overcurrent,
Overload, overheat short circuit or stall conditions have protective effect；
6, negative pressure will not occur, do not influence city water-supply pipe network normal operation.
7, the seawater entered in immersible pump have passed through desalt processing and purified treatment, is suitable for user and uses.
Description of the drawings
Fig. 1 is a kind of structure principle chart of squelch type seawater pressurized equipment in the utility model embodiment.
Fig. 2 is the structure principle chart of the immersible pump in the utility model embodiment.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with this practicality
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, institute
The embodiment of description is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, all other implementation that those of ordinary skill in the art are obtained under the premise of not making creative work
Example belongs to the range of the utility model protection.
In the description of the present invention, it should be noted that term " top ", " bottom " "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on ... shown in the drawings or position
Relationship is merely for convenience of description of the present invention and simplification of the description, and not indicating or implying the indicated device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore is not considered as limiting the invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Referring to Fig. 1, a kind of squelch type seawater pressurized equipment provided in this embodiment, including：Immersible pump 1, microprocessor
2, first pressure sensor 3, second pressure sensor 4, water inlet main valve 5, water outlet main valve 6, into Water Check Valve 7, go out Water Check Valve
8。
The water inlet main valve 5 is connect with city water-supply pipe network B, and water outlet main valve 6 connects with the user's water service pipe net A where user
It connects, by the squelch type seawater pressurized equipment, it can be achieved that the water of city water-supply pipe network B is conveyed after purification and pressurization
It is extremely drunk in grid A and for user, while operation process is noiseless.
Cooperation is with reference to shown in Fig. 2, the immersible pump 1, including shell 11, variable-frequency motor 12 and the pump housing in shell
13, shell 11 can be cuboid or cylinder, and water inlet 14 and water outlet 15, the water inlet are offered on the shell 11
Mouth 14 connects city water-supply pipe network B by main valve 5 of intaking, fresh-water generator 25, sea water purifier 26, and the water outlet 15 passes through
It is discharged main valve 6 and connects user's water service pipe net A, the variable-frequency motor 12 is electrically connected the microprocessor 2；
In the present embodiment, it is also equipped with seawater successively on the inlet pipeline where the main valve 5 and city water-supply pipe network B of intaking
Desalination apparatus 25 and sea water purifier 26, the fresh-water generator 25 be equipped with concentration detector 27, the concentration detector 27 with
2 signal of the microprocessor connects, and the microprocessor 2 controls the seawater according to the signal that the concentration detector 27 is sent
The valve opening of clarifier 26 simultaneously injects the water for meeting fresh water standards in the sea water purifier 26, successively by desalination and only
Seawater after change is entered by main valve 5 of intaking in immersible pump 1；Valve, water inlet main valve 5 and the water outlet main valve of sea water purifier 26
6 all can be electrically-controlled valve.Fresh-water generator 25, sea water purifier 26 material can be 316L stainless steels, engineering plastics or naval
Copper, the materials such as 316L stainless steels, engineering plastics, naval's copper are resistance to corrosion seawater material, can effectively reduce seawater corrosion.
The shell 11 is made of side wall, roof and bottom wall, the surrounding in addition to top and bottom of inner wall, that is, shell, institute
It states the side wall of shell and bottom wall is both provided with insulation board 17 and mounting plate 18,18 opposing insulation plate 17 of the mounting plate is located at shell
Inside；The insulation board 17 can be the partition board of epoxy or the partition board of SMC composite materials, and the mounting plate 18 should be anti-
The strong hard material of water anticorrosive property is made.
The water inlet 14 is located at the lower section of side wall, and close to bottom wall, water inlet 14 is serially connected with one and city water-supply pipe network
B connection into Water Check Valve 7, prevent the flow in immersible pump 1 from flowing backwards into city water-supply pipe network.The water outlet 15, position
In on roof, water outlet 15 be serially connected be connected to user's water service pipe net go out Water Check Valve 8, prevent flow from flowing backwards into immersible pump 1
It is interior.In the present embodiment, it is located at outside shell 11 into Water Check Valve 7, goes out Water Check Valve and be located in shell 11, but all close to respectively corresponding
The circulation mouth of a river.
When main valve 5 of intaking is opened, the water with certain pressure into Water Check Valve 7 by entering pump case in water supply network
It is interior.When immersible pump 1 is run, water from pump housing water absorbing section enter the pump housing again by the pump housing go out Water Check Valve 8, water outlet 15 and
Water outlet main valve 6 enters in user's pipe network A for users to use.
In the present embodiment, it is installed with and subtracts between the inner wall of the cabinet and the insulation board 17 of bottom wall and mounting plate 18
Device 19 is shaken, the damper 19 preferably uses metal-rubber damper, metal-rubber damper to be free of using wire as raw material
There is any General Purpose Rubber, but with rubber the same elasticity and porosity, particularly suitable for solving high/low temperature, the big temperature difference, height
Damping vibration attenuation, filtering, sealing, throttling and absorbing sound and lowering noise under the environment such as pressure, high vacuum, intense radiation, high vibration and corrosion etc.
Knotty problem can need to prepare various planforms according to different operating modes, and long with storage and service life, not have
The features such as aging phenomenon.Certainly, the damper 19 can also use steel spring isolator or common rubber isolator.
By mounting shock absorber 19, play the role of damping, buffering, immersible pump in the process of running, is integrally buffered, damping and drop
Low noise can also protect internal device.
Since the bottom of shell directly touches the ground, it is larger to meet water, possibility in case of wet, therefore in the utility model one
In preferred embodiment, anticorrosive board 20 is also equipped with positioned at the outside of the insulation board 17 of bottom wall.The anticorrosive board 20 is not mainly by
The materials such as saturated resin (being commonly called as fiberglass), PVC, fluorocarbon baking varnish metallic plate, bakelite are made.Anticorrosive board 20 is set, shell can be prevented
11 bottom of body is etched.
The first pressure sensor 3, second pressure sensor 4 are separately connected the microprocessor 2 by signal wire,
The first pressure sensor 3 is placed at the water outlet 15 at 11 top of the shell, can be located in water outlet 15, or water outlet
Near mouth 15, for monitoring discharge pressure, the second pressure sensor 4 is placed in the bottom of immersible pump 1, is preferably disposed on institute
It states near water inlet 14, for detecting intake pressure, or detection low-voltage signal, the first, second pressure sensor difference
The pressure signal that each self-test obtains is sent to the microprocessor 2.
The microprocessor 2 is separately connected the first pressure sensor 3, second pressure sensor 4 and variable-frequency motor
12, by signal wire receive the first pressure sensor 3, second pressure sensor 4 send pressure signal and with setting
Reference pressure value be compared, and to the variable-frequency motor of the pump 12 carry out frequency control, so that it is discharged with constant pressure.It is described micro-
Processor 2 is with functions such as signal processing, calculating, information storages, by a piece of or several large scale integrated circuit group
At central processing unit, microprocessor 2 plays the role of power supply and control to variable-frequency motor 12.In order to facilitate microprocessor 2
It places and manipulates, be also provided with a holder 21 outward on the side wall of the shell 11, the microprocessor 2 is located at the holder
On 21.The outside of the holder 21 has a upward block piece, prevents microprocessor 2 from sliding easily.
Specifically, the microprocessor 2, after receiving the pressure signal that the first pressure sensor 3 is sent, with
The discharge pressure standard value of setting is compared, and the Effluent criteria pressure value can be specific value or a value range,
When being more than either value or value range less than setting, the microprocessor 2 gives the variable-frequency motor by the motor line of force
12 send adjustment signal, and control motor 12 accelerate or reduction of speed is handled so that the flow exported from the pump housing 13 will not
Pressure is excessive, keeps pressure constant.
By the connection structure of the first pressure sensor 3 at the immersible pump 1, microprocessor 2 and water outlet, can make
Immersible pump 1 realizes speed governing constant pressure water supply under the allotment of microprocessor 2.Specifically, changed at random with water flow, and supply water and set
Standby discharge pressure is changed with the variation of water flow.When water consumption is changed from small to big, discharge pressure i.e. from large to small,
Conversely, when water consumption reduces, discharge pressure then will increase.This discharge pressure instantaneous value that vary passes through at water outlet
One pressure sensor 3 timely passes to microprocessor 2, and output changes 12 frequency of variable-frequency motor to microprocessor 2 accordingly
Instruction.
When supply frequency changes, the rotating speed of the pump housing 13 changes correspondingly.The final goal changed every time is to make immersible pump
Under the premise of ensureing that its water yield meets the variation requirement of water consumption, discharge pressure remains at a certain constant body 13
Value.
The second pressure sensor 4 is mounted at the water inlet 14 of immersible pump 1, or mounted on immersible pump 1
Bottom wall region, detects low-voltage signal, and the microprocessor 2 receives the pressure that the second pressure sensor 4 is sent
After signal, in 1 operation process of immersible pump, city water-supply pipe network B provides pipe network water pressure into pump case 11, and by second pressure
Sensor 4 is transferred to microprocessor 2.In water use peak, the hydraulic pressure in water supply network can decline, once second pressure sensor
When the 4 hydraulic pressure pressure values measured drop to the minimum for allowing just to commonly use water, microprocessor 2 can control the motor 12 and stop fortune
Turn, then the pump housing 13 i.e. stop absorb water from city water-supply pipe network B, thereby may be ensured that be not in negative pressure water suction feelings
Condition does not have an adverse effect to the normal work of city water-supply pipe network B.
Compared with prior art, a kind of squelch type seawater pressurized equipment disclosed in the embodiment of the present invention, configured with diving
Pump, multiple pressure sensors, microprocessor and damper small without special pump house, mute noise reduction and are utilized with realizing
Original hydraulic pressure realizes the purpose of varying speed and constant pressure feed water in water supply network.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (7)
1. a kind of squelch type seawater pressurized equipment, which is characterized in that including：Microprocessor, immersible pump, first pressure sensor,
Second pressure sensor, wherein
The immersible pump, including shell, variable-frequency motor and the pump housing in shell offer water inlet on the shell and go out
The mouth of a river, the water inlet connect city water-supply pipe network by main valve of intaking, where the water inlet main valve and city water-supply pipe network
Fresh-water generator and sea water purifier are also equipped on inlet pipeline successively, the fresh-water generator is equipped with concentration detector, institute
It states concentration detector to connect with the microprocessor signals, the signal control that the microprocessor is sent according to the concentration detector
It makes the valve opening of the sea water purifier and injects the water for meeting fresh water standards in the sea water purifier；
The water outlet connects user's water service pipe net by being discharged main valve, and the variable-frequency motor is electrically connected the microprocessor；Institute
It states shell to be made of side wall, roof and bottom wall, the side wall and bottom wall of the shell are both provided with insulation board and mounting plate, the peace
Loading board opposing insulation plate is located inside, and damper is equipped between the mounting plate and insulation board of the housing sidewall；
First, second pressure sensor, is separately connected the microprocessor, the first pressure sensor be placed in it is described go out
At the mouth of a river, for monitoring discharge pressure, the second pressure sensor is placed in the immersible pump bottom, for detecting influent pressure
The pressure signal that each self-test obtains is sent to the microprocessor by power, first, second pressure sensor respectively；
The microprocessor, is separately connected first, second pressure sensor and variable-frequency motor, receives described first, the
The pressure signal of two pressure sensors transmission is simultaneously compared with the reference pressure value of setting, with the variable-frequency electric to the immersible pump
Machine carries out frequency control, it is made to be discharged with constant pressure.
2. squelch type seawater pressurized equipment according to claim 1, which is characterized in that the water outlet is opened in the shell
On the roof of body, the water inlet is opened in below the side wall of the shell.
3. squelch type seawater pressurized equipment according to claim 2, which is characterized in that the immersible pump water inlet and
Water outlet is respectively arranged with into Water Check Valve and goes out Water Check Valve.
4. squelch type seawater pressurized equipment according to claim 1, which is characterized in that the bottom wall mounting plate with absolutely
Damper is also equipped between listrium.
5. squelch type seawater pressurized equipment according to claim 1 or 4, which is characterized in that the damper is metal rubber
Glue damper.
6. squelch type seawater pressurized equipment according to claim 1, which is characterized in that be located at outside the insulation board of bottom wall
Side is also equipped with anticorrosive board.
7. squelch type seawater pressurized equipment according to claim 1, which is characterized in that on the side wall of the shell also to
It is provided with a holder outside, the microprocessor is located on the holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735468.9U CN207633422U (en) | 2018-05-17 | 2018-05-17 | A kind of squelch type seawater pressurized equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735468.9U CN207633422U (en) | 2018-05-17 | 2018-05-17 | A kind of squelch type seawater pressurized equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207633422U true CN207633422U (en) | 2018-07-20 |
Family
ID=62851836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820735468.9U Expired - Fee Related CN207633422U (en) | 2018-05-17 | 2018-05-17 | A kind of squelch type seawater pressurized equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207633422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555186A (en) * | 2019-01-21 | 2019-04-02 | 江苏丰海新能源工程技术有限公司 | A kind of packaged type water fetching device for middle-size and small-size seawater desalination system |
| CN109736599A (en) * | 2019-02-18 | 2019-05-10 | 安徽富通环保节能科技股份有限公司 | A kind of vaccum drainage means rainproof box and its operating method |
-
2018
- 2018-05-17 CN CN201820735468.9U patent/CN207633422U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555186A (en) * | 2019-01-21 | 2019-04-02 | 江苏丰海新能源工程技术有限公司 | A kind of packaged type water fetching device for middle-size and small-size seawater desalination system |
| CN109736599A (en) * | 2019-02-18 | 2019-05-10 | 安徽富通环保节能科技股份有限公司 | A kind of vaccum drainage means rainproof box and its operating method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |