CN107101510A - A kind of sealing and circulating water integrating device - Google Patents
A kind of sealing and circulating water integrating device Download PDFInfo
- Publication number
- CN107101510A CN107101510A CN201710382605.5A CN201710382605A CN107101510A CN 107101510 A CN107101510 A CN 107101510A CN 201710382605 A CN201710382605 A CN 201710382605A CN 107101510 A CN107101510 A CN 107101510A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- moisturizing
- filter
- pipeloop
- level pressure
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 230000004087 circulation Effects 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C2001/006—Systems comprising cooling towers, e.g. for recooling a cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F2025/005—Liquid collection; Liquid treatment; Liquid recirculation; Addition of make-up liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a kind of sealing and circulating water integrating device, it is supporting with closed cooling tower, including pipeloop and other filter system, also include level pressure connecting pipeline, the first moisturizing pipeline and switch board, the pipeloop, other filter system, level pressure connecting pipeline are sequentially communicated, the pipeloop, other filter system, level pressure connecting pipeline, the first moisturizing pipeline and switch board are in skid, and the pipeloop is provided with circulating pump.Elevated tank water-supply and pressure-stabling is replaced using full courage formula diaphragm pneumatic water tank, enclosed oxygen isolation circulation is realized, elevated tank preventing freeze in winter is solved the problems, such as while reducing system corrosion；It is integrated to device progress, other filter system is optimized, by switch board to pressure transmitter, pressure, the temperature signal of temperature transmitter are acquired and performed, and realize fully automatic operation.
Description
Technical field
The invention belongs to Closed Cycle water-treatment technology field, and in particular to a kind of sealing and circulating water integrating device.
Background technology
Closed cooling tower recirculated water pressurization supporting at present and other filter system use semi-open-type circulation,
Using elevated tank water-supply and pressure-stabling, recirculated water and atmosphere, oxygen in water are saturations, are easily caused microbial growth, are made
Into cooling tower heat exchange material seriously corroded.Circulating pump, other filter, dosing, water-supply and pressure-stabling, set in pipeline room, scattered installation, show
Go out to design the low shortcoming of big complicated, floor space, installation period length, automaticity.
The content of the invention
The purpose of the present invention is to overcome corrosion and occupation of land face of the semi-open-type circulation to equipment in the prior art
The problem of product is big, automaticity is low.
Therefore, the invention provides a kind of sealing and circulating water integrating device, it is supporting with closed cooling tower, including circulation pipe
Line and other filter system, in addition to level pressure connecting pipeline, the first moisturizing pipeline and switch board, it is the pipeloop, other filter system, fixed
Pressure connecting pipeline is sequentially communicated, and the pipeloop, other filter system, level pressure connecting pipeline, the first moisturizing pipeline and switch board are equal
In skid, the pipeloop is provided with circulating pump；
The other filter system includes other chimney filter line and the filter on other chimney filter line, and the recirculated water of the pipeloop goes out
Mouth is divided into two-way, is connected all the way with the water inlet of closed cooling tower, another road and the other filter inlet communication of other chimney filter line, described
The delivery port of closed cooling tower, the side of other chimney filter line filter out mouth and connected with the circulating water intake of pipeloop, the level pressure
Connecting pipeline one end connects closed auto-pneumatic cylinder, the other chimney filter line of other end connection, the first moisturizing pipeline and other chimney filter line
It is set up in parallel and the port of export is connected with level pressure connecting pipeline, it is electronic along water (flow) direction to be sequentially provided with moisturizing on the first moisturizing pipeline
Valve and flowmeter, the level pressure connecting pipeline be provided with pressure transmitter, the moisturizing motor-driven valve and pressure transmitter with control
Cabinet electrical connection processed.
The pipeloop is provided with temperature transmitter, and the circulating pump is variable frequency pump, the temperature transmitter and circulation
Pump is electrically connected with switch board.
The closed auto-pneumatic cylinder is full courage formula diaphragm pneumatic water tank.
The filter is exempts from backwash filter, and the backwash filter of exempting from is PE cotton filter.
Dosing mouth is additionally provided with the other chimney filter line.
The second moisturizing pipeline and the 3rd moisturizing pipeline, the second moisturizing pipeline and the first moisturizing are additionally provided with the skid
Pipeline is side by side and both connect, and the connectivity points positioned at the first moisturizing pipeline are between moisturizing motor-driven valve and flowmeter, and described second
The port of export of moisturizing pipeline is connected with level pressure connecting pipeline, and the 3rd moisturizing pipeline is connected with the first moisturizing pipeline.
The skid is provided with two pipeloops, the pipeloop and level pressure connecting pipeline and is equipped with sewage draining exit.
The beneficial effects of the invention are as follows：
This sealing and circulating water integrating device that the present invention is provided, elevated tank moisturizing is replaced using full courage formula diaphragm pneumatic water tank
Level pressure, realizes enclosed oxygen isolation circulation, elevated tank preventing freeze in winter is solved the problems, such as while reducing system corrosion；Device is entered
Row is integrated, other filter system is optimized, by switch board to pressure transmitter, pressure, the temperature signal of temperature transmitter
It is acquired and performs, realizes fully automatic operation.
It is described in further details below in conjunction with accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1st, circulating pump；2nd, closed auto-pneumatic cylinder；3rd, filter；4th, flowmeter；5th, moisturizing motor-driven valve；6th, press
Power transmitter；7th, temperature transmitter；8th, switch board；9th, skid；10th, pipeloop；11st, level pressure connecting pipeline；12nd, the first moisturizing
Pipeline；13rd, other chimney filter line；14th, dosing mouth；15th, the second moisturizing pipeline；16th, the 3rd moisturizing pipeline.
Embodiment
Embodiment 1：
A kind of sealing and circulating water integrating device is present embodiments provided, it is supporting with closed cooling tower, including the He of pipeloop 10
Other filter system, in addition to level pressure connecting pipeline 11, the first moisturizing pipeline 12 and switch board 8, the pipeloop 10, other filter system
System, level pressure connecting pipeline 11 are sequentially communicated, the pipeloop 10, other filter system, level pressure connecting pipeline 11, the first moisturizing pipeline
12 and switch board 8 in the skid 9, the pipeloop 10 is provided with circulating pump 1；
The other filter system includes other chimney filter line 13 and the filter 3 on other chimney filter line 13, the pipeloop 10
Circulating water outlet is divided into two-way, is connected all the way with the water inlet of closed cooling tower, the side of another road and other chimney filter line 13 filter into
Mouth connection, the delivery port of the closed cooling tower, the side of other chimney filter line 13 filter out recirculated water of the mouth with pipeloop 10 and entered
Mouthful connection, described one end of level pressure connecting pipeline 11 connection closed auto-pneumatic cylinder 2, the other chimney filter line 13 of other end connection, described the
One moisturizing pipeline 12 and other chimney filter line 13 is set up in parallel and the port of export is connected with level pressure connecting pipeline 11, the first moisturizing pipeline 12
On be sequentially provided with moisturizing motor-driven valve 5 and flowmeter 4 along water (flow) direction, the level pressure connecting pipeline 11 is provided with pressure transmitter 6,
The moisturizing motor-driven valve 5 and pressure transmitter 6 are electrically connected with switch board 8.
Workflow：Delivery port of the recirculated water through closed cooling tower enters the pipeloop of sealing and circulating water integrating device
10, closed cooling tower is largely entered after being pressurizeed through circulating pump 1, small part enters other filter system, by 3 pairs of circulations of filter
Impurity in water is filtered, and the recirculated water after filtering enters closed cooling tower by pipeloop 10 again；In the process of running
Water-supply and pressure-stabling is carried out by closed auto-pneumatic cylinder 2, when the pressure in pipeloop 10 is more than the setting pressure of closed auto-pneumatic cylinder 2
During power, part recirculated water enters closed auto-pneumatic cylinder 2 by level pressure connecting pipeline 11, on the contrary, when the pressure in pipeloop 10
Less than closed auto-pneumatic cylinder 2 setting pressure when, the water in closed auto-pneumatic cylinder 2 is entered by level pressure connecting pipeline 11 to be circulated
Pipeline 10.
In the process of running, when the pressure of closed auto-pneumatic cylinder 2 reaches lower limit, pressure transmitter 6 is sent a signal to
Switch board 8, switch board 8 is received and moisturizing motor-driven valve 5 is sent instructions to after the signal, and moisturizing motor-driven valve 5 is automatically opened up, through flow
Moisturizing is carried out after the metering of meter 4.
This sealing and circulating water integrating device that the present embodiment is provided, elevated tank is replaced using closed auto-pneumatic cylinder 2
Water-supply and pressure-stabling, realizes enclosed oxygen isolation circulation, elevated tank preventing freeze in winter is solved the problems, such as while reducing system corrosion；To dress
Put interior each part integrated using skid, be moved easily and reduce floor space.By switch board 8 to the pressure of pressure transmitter 6
The collection and execution of signal, realize fully automatic operation.
Embodiment 2：
On the basis of embodiment 1, a kind of sealing and circulating water integrating device as shown in Figure 1 is present embodiments provided, it is described to follow
Endless tube line 10 be provided with temperature transmitter 7, the circulating pump 1 be variable frequency pump, the temperature transmitter 7 and circulating pump 1 with control
Cabinet 8 processed is electrically connected.
When the temperature that the recirculated water discharged by closed cooling tower delivery port enters pipeloop 10 is more than desired temperature
When, temperature transmitter 7 sends temperature signal to switch board 8, and switch board 8 receives and circulating pump 1 is sent instructions to after the signal, increases
Big flow, reduces circulating water temperature, meet the chilling temperature requirement of closed cooling tower.
In the present embodiment, the closed auto-pneumatic cylinder 2 is full courage formula diaphragm pneumatic water tank.
The filter 3 is exempts from backwash filter, and the backwash filter of exempting from is PE cotton filter.
Dosing mouth 14 is additionally provided with the other chimney filter line 13.Dosing can be carried out by existing medicine machine, dosing is removed
Microorganism, can further avoid microorganism to the heavy corrosion of cooling tower heat exchange material.
Be additionally provided with the second moisturizing pipeline 15 and the 3rd moisturizing pipeline 16 in the skid 9, the second moisturizing pipeline 15 with
First moisturizing pipeline 12 is side by side and both connect, and the connectivity points positioned at the first moisturizing pipeline 12 are in moisturizing motor-driven valve 5 and flowmeter 4
Between, the port of export of the second moisturizing pipeline 15 is connected with level pressure connecting pipeline 11, the 3rd moisturizing pipeline 16 and first
Moisturizing pipeline 12 is connected.Wherein, the second moisturizing pipeline 15 is used for the moisturizing to device, the first moisturizing pipeline 12 and second before going into operation
Moisturizing pipeline 15 is connected with softening water pipeline, and softened water can prevent fouling corrosion, the 3rd moisturizing pipeline 16 and fresh water pipeline
Connection, for emergence compensating water, situations such as such as softened water supplies not enough or moisturizing 5 failure of motor-driven valve.
The skid 9 is provided with two pipeloops 10, the pipeloop 10 and level pressure connecting pipeline 11 and is equipped with
Sewage draining exit.Two a preparation and a use of pipeloop 10, to meet quantity-produced demand.
The present invention semi-open-type circulation supporting to closed cooling tower is optimized, and equipment is carried out integrated.
Elevated tank water-supply and pressure-stabling is replaced using air pressure tank, enclosed oxygen isolation circulation is realized, other filter system is optimized, employed
Exempt from the PE cotton filters of backwash.Device is integrated with switch board 8 to pressure transmitter 6, pressure, the temperature signal of temperature transmitter 7
It is acquired and performs, realizes fully automatic operation.
Switch board 8 belongs to prior art, and the part and structure that above example is not described in detail belong to the known of the industry
Part and common structure or conventional means, are not described one by one here.
It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (7)
1. a kind of sealing and circulating water integrating device, supporting with closed cooling tower, including pipeloop（10）With other filter system, its
It is characterised by：Also include level pressure connecting pipeline（11）, the first moisturizing pipeline（12）And switch board（8）, the pipeloop（10）、
Other filter system, level pressure connecting pipeline（11）It is sequentially communicated, the pipeloop（10）, other filter system, level pressure connecting pipeline（11）、
First moisturizing pipeline（12）And switch board（8）It is located at skid（9）On, the pipeloop（10）It is provided with circulating pump（1）；
The other filter system includes other chimney filter line（13）With located at other chimney filter line（13）On filter（3）, the circulation pipe
Line（10）Circulating water outlet be divided into two-way, connected all the way with the water inlet of closed cooling tower, another road and other chimney filter line
（13）Other filter inlet communication, the delivery port of the closed cooling tower, other chimney filter line（13）Side filter out mouth and circulation pipe
Line（10）Circulating water intake connection, the level pressure connecting pipeline（11）One end connects closed auto-pneumatic cylinder（2）, other end company
Logical other chimney filter line（13）, the first moisturizing pipeline（12）With other chimney filter line（13）It is set up in parallel and the port of export and level pressure communicating pipe
Line（11）Connection, the first moisturizing pipeline（12）On be sequentially provided with moisturizing motor-driven valve along water (flow) direction（5）And flowmeter（4）, institute
State level pressure connecting pipeline（11）It is provided with pressure transmitter（6）, the moisturizing motor-driven valve（5）And pressure transmitter（6）With control
Cabinet processed（8）Electrical connection.
2. a kind of sealing and circulating water integrating device according to claim 1, it is characterised in that：The pipeloop（10）On
Provided with temperature transmitter（7）, the circulating pump（1）For variable frequency pump, the temperature transmitter（7）And circulating pump（1）With control
Cabinet（8）Electrical connection.
3. a kind of sealing and circulating water integrating device according to claim 1, it is characterised in that：The closed auto-pneumatic cylinder
（2）For full courage formula diaphragm pneumatic water tank.
4. a kind of sealing and circulating water integrating device according to claim 1, it is characterised in that：The filter（3）For
Exempt from backwash filter, the backwash filter of exempting from is PE cotton filter.
5. a kind of sealing and circulating water integrating device according to claim 1, it is characterised in that：The other chimney filter line（13）On
It is additionally provided with dosing mouth（14）.
6. a kind of sealing and circulating water integrating device according to claim 1, it is characterised in that：The skid（9）On also set
There is the second moisturizing pipeline（15）With the 3rd moisturizing pipeline（16）, the second moisturizing pipeline（15）With the first moisturizing pipeline（12）And
Row and both connections, positioned at the first moisturizing pipeline（12）Connectivity points in moisturizing motor-driven valve（5）And flowmeter（4）Between, it is described
Second moisturizing pipeline（15）The port of export and level pressure connecting pipeline（11）Connection, the 3rd moisturizing pipeline（16）With the first moisturizing
Pipeline（12）Connection.
7. a kind of sealing and circulating water integrating device according to claim 1, it is characterised in that：The skid（9）It is provided with
Two pipeloops（10）, the pipeloop（10）With level pressure connecting pipeline（11）On be equipped with sewage draining exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382605.5A CN107101510A (en) | 2017-05-26 | 2017-05-26 | A kind of sealing and circulating water integrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382605.5A CN107101510A (en) | 2017-05-26 | 2017-05-26 | A kind of sealing and circulating water integrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107101510A true CN107101510A (en) | 2017-08-29 |
Family
ID=59670495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710382605.5A Pending CN107101510A (en) | 2017-05-26 | 2017-05-26 | A kind of sealing and circulating water integrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107101510A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704369A (en) * | 2018-06-13 | 2018-10-26 | 广州发展集团股份有限公司 | Recirculated water water filter, system and drainage method |
| CN113023804A (en) * | 2021-03-26 | 2021-06-25 | 天津纳万源科技发展有限公司 | Multistage fine filter unit for circulating water |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013015259A (en) * | 2011-07-04 | 2013-01-24 | Miura Co Ltd | Water treatment system |
| CN203161305U (en) * | 2013-03-08 | 2013-08-28 | 扬中市华能电力设备有限公司 | Constant-pressure water-replenishing closed type water circulation cooling system |
| CN205062894U (en) * | 2015-10-20 | 2016-03-02 | 北京凌锐能源技术有限公司 | Circulating water system softens moisturizing level pressure exhaust apparatus |
| CN205133187U (en) * | 2015-10-20 | 2016-04-06 | 北京凌锐能源技术有限公司 | Circulating water system soft water moisturizing ordinary pressure exhaust pressurization installation |
| CN205313290U (en) * | 2016-01-19 | 2016-06-15 | 沧州信昌化工股份有限公司 | Cooling circulating water treatment system that can reequip on line |
| CN206803796U (en) * | 2017-05-26 | 2017-12-26 | 西安长庆科技工程有限责任公司 | A kind of sealing and circulating water integrating device |
-
2017
- 2017-05-26 CN CN201710382605.5A patent/CN107101510A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013015259A (en) * | 2011-07-04 | 2013-01-24 | Miura Co Ltd | Water treatment system |
| CN203161305U (en) * | 2013-03-08 | 2013-08-28 | 扬中市华能电力设备有限公司 | Constant-pressure water-replenishing closed type water circulation cooling system |
| CN205062894U (en) * | 2015-10-20 | 2016-03-02 | 北京凌锐能源技术有限公司 | Circulating water system softens moisturizing level pressure exhaust apparatus |
| CN205133187U (en) * | 2015-10-20 | 2016-04-06 | 北京凌锐能源技术有限公司 | Circulating water system soft water moisturizing ordinary pressure exhaust pressurization installation |
| CN205313290U (en) * | 2016-01-19 | 2016-06-15 | 沧州信昌化工股份有限公司 | Cooling circulating water treatment system that can reequip on line |
| CN206803796U (en) * | 2017-05-26 | 2017-12-26 | 西安长庆科技工程有限责任公司 | A kind of sealing and circulating water integrating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704369A (en) * | 2018-06-13 | 2018-10-26 | 广州发展集团股份有限公司 | Recirculated water water filter, system and drainage method |
| CN113023804A (en) * | 2021-03-26 | 2021-06-25 | 天津纳万源科技发展有限公司 | Multistage fine filter unit for circulating water |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170829 |
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| RJ01 | Rejection of invention patent application after publication |