CN207493619U - A kind of mixed organization for mixing liquid carbon dioxide and combined polyether - Google Patents
A kind of mixed organization for mixing liquid carbon dioxide and combined polyether Download PDFInfo
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- CN207493619U CN207493619U CN201721230372.9U CN201721230372U CN207493619U CN 207493619 U CN207493619 U CN 207493619U CN 201721230372 U CN201721230372 U CN 201721230372U CN 207493619 U CN207493619 U CN 207493619U
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- carbon dioxide
- combined polyether
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Abstract
A kind of mixed organization for mixing liquid carbon dioxide and combined polyether, belongs to polyurethane foamed material preparing technical field.The utility model on carbon dioxide conduit by setting check valve, unloading valve and aluminium block, pressure gauge, pressure sensor and the valve for emptying are connected on aluminium block, check valve can prevent combined polyether adverse current from entering in carbon dioxide branch, pressure gauge and pressure sensor cooperate, and personnel easy to operation intuitively understand the pressure size in unloading valve；By setting unloading valve, when the discharge pressure of carbon dioxide branch road is more than the setting value of unloading valve, unloading valve is opened, carbon dioxide conduit is connected with combined polyether delivery pipe, liquid carbon dioxide is flowed by combined polyether delivery pipe in combined polyether storage tank, when the discharge pressure of carbon dioxide branch road is less than the setting value of unloading valve, unloading valve is closed, and carbon dioxide conduit is not connected with combined polyether delivery pipe.
Description
Technical field
The utility model belongs to polyurethane foamed material preparing technical field, is specifically related to a kind of by liquid carbon dioxide
With the mixed organization of combined polyether mixing.
Background technology
Polyurethane (English abbreviation PU) is a kind of macromolecule generated by isocyanates and combined polyether by copolyreaction
Polymer.Foaming machine also known as foam maker, certain density chemical raw material can be made to foam and condensed becomes solid
Equipment.Foaming machine is the core component of polyurethane foam plastics process equipment.In the prior art, foaming agent in advance combining by addition
In polyethers, foaming agent is made to be dissolved in combined polyether form mixture by being sufficiently mixed, then the mixture and isocyanates
Uniformly mixing, high pressure spray according to a certain percentage, and after encountering air violent chemical reaction generation occurs for mixed raw material largely
Foam, so that its volume increases rapidly, after a period of time, the aerial mixed raw material of exposure is condensed into a large amount of foams
Solid (polyurethane foam).
At present, carbon dioxide has been used to replace HCFC-141b as foaming agent in polyurethane foam production, and titanium dioxide
The boiling point of carbon is relatively low, it is easy to gasify, it is difficult to ensure that be passed through combined polyether is all liquid carbon dioxide.Meanwhile in liquid two
When carbonoxide is passed through combined polyether, when the delivery end of combined polyether is in low-pressure state, liquid carbon dioxide is conveyed at itself
Under the action of pressure, the delivery end of combined polyether is readily flowed to, occurs to flow backwards phenomenon.
Invention content
The technical issues of the utility model is mainly solved present in the above-mentioned prior art, provides a kind of by liquid titanium dioxide
Carbon and the mixed organization of combined polyether mixing.
The above-mentioned technical problem of the utility model is mainly what is be addressed by following technical proposals：It is a kind of by liquid two
Carbonoxide and the mixed organization of combined polyether mixing, including combined polyether branch and carbon dioxide branch, the combined polyether branch
Road includes combined polyether equipment tank, combined polyether metering pump, combined polyether storage tank and combined polyether delivery pipe, poly- by combining
The combined polyether equipment tank, combined polyether metering pump and combined polyether storage tank are sequentially connected by ether delivery pipe, the dioxy
Change carbon branch and include carbon dioxide steel cylinder, pressure reducing valve, booster pump, co 2 liquefaction storage tank, carbon dioxide metering pump and dioxy
Change carbon delivery pipe, stored up the carbon dioxide steel cylinder, pressure reducing valve, booster pump, co 2 liquefaction by carbon dioxide delivery pipe
Tank and carbon dioxide metering pump are sequentially connected, and the output terminal of the carbon dioxide metering pump is connected with carbon dioxide conduit, in group
The input end of polyethers storage tank is closed, the other end of the carbon dioxide conduit is connected with combined polyether delivery pipe, described group
It closes polyethers metering pump and carbon dioxide metering pump uses same driver control, be connected on the carbon dioxide conduit unidirectional
Valve, unloading valve and aluminium block, the input terminal of the aluminium block are connected by carbon dioxide conduit with carbon dioxide metering pump, the aluminium
The output terminal of block is connected with the input terminal of unloading valve, pressure gauge, pressure sensor is also associated on the aluminium block and for putting
Empty valve, the output terminal of the unloading valve are connected with the input terminal of check valve, and the output terminal of the check valve passes through dioxy
Change carbon conduit with combined polyether delivery pipe to be connected, the unloading valve includes cap, locking nut, bonnet and valve body, the cap
Lid, locking nut connect respectively with the upper end spiral of bonnet, and locking nut is located at the lower section of cap, the lower end of the bonnet and valve
Body spiral connects, and the cap connects with bonnet spiral and adjustment spring and spring support seat are equipped in surrounded cavity, described
One end of adjustment spring is withstood on cap, and the other end is withstood in spring support seat, and interconnected import is equipped in the valve body
Channel, exit passageway adjust channel and valve seat, and transition passage is equipped in the bonnet, and transition passage is connected with adjusting channel,
Valve rod is equipped in the transition passage, valve stem slides connection and transition passage, one end of the valve rod are withstood in spring support seat,
The other end is withstood on valve seat, and the valve seat is arranged on intake channel.
Preferably, the input end of the combined polyether storage tank is equipped with pressure switch.
Preferably, the co 2 liquefaction storage tank includes water pipe and hollow tank body, it is respectively equipped in the tank body
Condenser pipe, carbon dioxide helix tube and carbon dioxide material storing box, helically formula, carbon dioxide helix tube are arranged on the condenser pipe
In the region that the condenser pipe spiral surrounds, the side of the tank body is equipped with refrigerant inlet and refrigerant exit, the refrigerant inlet
Be connected with one end of the condenser pipe, the refrigerant exit is connected with the other end of the condenser pipe, the tank body it is another
Side is respectively equipped with pipe outlet, water pipe import, carbon dioxide outlet and carbon dioxide inlet, and pipe outlet and carbon dioxide go out
Mouth is coaxial, and the water pipe is connected by water pipe import and pipe outlet with the tank body, the carbon dioxide inlet and described two
One end of carbonoxide helix tube is connected, and the other end of the carbon dioxide helix tube is connected with the carbon dioxide material storing box
Logical, the carbon dioxide material storing box is connected with the carbon dioxide outlet, and carbon dioxide delivery pipe, institute are equipped in the water pipe
It states carbon dioxide delivery pipe with the carbon dioxide outlet to be connected, the other end of the carbon dioxide delivery pipe is as carbon dioxide
The output terminal of liquefaction storage tank is connected with the input terminal of carbon dioxide metering pump, and the top of the tank body is equipped with water inlet, described
The bottom of tank body is equipped with heating unit, and rubber and plastic is respectively installed on the lateral wall of the tank body and water pipe.
Preferably, the co 2 liquefaction storage tank is connected with refrigerating plant by refrigerant inlet, refrigerant exit, refrigeration
Device is used to export refrigerant.
The operation principle of unloading valve is：The distance between cap and bonnet are adjusted according to required Opening pressure, make to be located at
Adjustment spring therein is in compressive state, and locking nut is used to fix cap position.Adjustment spring is in the work of spring-return power
Under, valve rod is oppressed by spring support seat and withstands valve seat, block input port channel, the pressure born at intake channel reaches
During setting value, valve rod because pressure effect moves upwards, open by intake channel, when the pressure that intake channel is born is less than setting value
When, intake channel is not opened.
The utility model has the advantage that：The utility model on carbon dioxide conduit by setting check valve, unloading
Lotus valve and aluminium block are connected with pressure gauge, pressure sensor and the valve for emptying on aluminium block, and check valve can prevent combined polyether
Adverse current enters in carbon dioxide branch, and pressure gauge and pressure sensor cooperate, and personnel easy to operation are intuitively understood in unloading valve
Pressure size；By setting unloading valve, when the discharge pressure of carbon dioxide branch road is more than the setting value of unloading valve, off-load
Valve is opened, and carbon dioxide conduit is connected with combined polyether delivery pipe, and liquid carbon dioxide passes through combined polyether delivery pipe inflow group
It closes in polyethers storage tank, when the discharge pressure of carbon dioxide branch road is less than the setting value of unloading valve, unloading valve is closed, dioxy
Change carbon conduit not connect with combined polyether delivery pipe.In co 2 liquefaction storage tank, condenser pipe and carbon dioxide helix tube are equal
For spiral design, full of water in tank body and water pipe, the carbon dioxide gas in carbon dioxide helix tube is made uniformly to freeze,
Setting carbon dioxide material storing box in tank body, carbon dioxide material storing box plays storing, when the gas in carbon dioxide cylinder
It is finished when needing to change new gas bomb, carbon dioxide material storing box can continue to provide transportation of liquefied carbon dioxide, and production is made not interrupt；
Heating unit is set in the bottom of co 2 liquefaction storage tank, heating unit can heat water, make liquefied carbon dioxide
It is maintained within the temperature range of setting, carbon dioxide delivery pipe is arranged in water pipe, make to be delivered to carbon dioxide metering pump
Carbon dioxide is always liquid, and rubber and plastic is respectively installed on the lateral wall of tank body and water pipe, increases heat insulation effect.
Description of the drawings
Fig. 1 is a kind of structure diagram of the utility model；
Fig. 2 is a kind of structure diagram of the utility model unloading valve；
A kind of structure diagram of the utility model co 2 liquefaction storage tank during Fig. 3.
In figure：1st, combined polyether equipment tank；2nd, combined polyether metering pump；3rd, combined polyether storage tank；4th, combined polyether is defeated
Send pipe；5th, carbon dioxide steel cylinder；6th, pressure reducing valve；7th, booster pump；8th, co 2 liquefaction storage tank；9th, carbon dioxide metering pump；10、
Carbon dioxide delivery pipe；11st, carbon dioxide conduit；12nd, check valve；13rd, unloading valve；14th, aluminium block；15th, pressure gauge；16th, pressure
Sensor；17th, valve；18th, cap；19th, locking nut；20th, bonnet；21st, valve body；22nd, adjustment spring；23rd, spring support seat；
24th, intake channel；25th, exit passageway；26th, channel is adjusted；27th, valve seat；28th, transition passage；29th, valve rod；30th, pressure switch；
31st, water pipe；32nd, tank body；33rd, condenser pipe；34th, carbon dioxide helix tube；35th, carbon dioxide material storing box；36th, refrigerant inlet；37、
Refrigerant exit；38th, water pipe import；39th, pipe outlet；40th, carbon dioxide outlet；41st, carbon dioxide inlet；42nd, water inlet；
43rd, heating unit；44th, rubber and plastic；45th, refrigerating plant；46th, water.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：A kind of mixed organization for mixing liquid carbon dioxide and combined polyether, as shown in Figure 1-Figure 3, including
Combined polyether branch and carbon dioxide branch, the combined polyether branch include combined polyether equipment tank, combined polyether metering pump,
Combined polyether storage tank and combined polyether delivery pipe, it is by combined polyether delivery pipe that the combined polyether equipment tank, combination is poly-
Ether metering pump and combined polyether storage tank are sequentially connected, and the carbon dioxide branch includes carbon dioxide steel cylinder, pressure reducing valve, supercharging
Pump, co 2 liquefaction storage tank, carbon dioxide metering pump and carbon dioxide delivery pipe, by carbon dioxide delivery pipe by described two
Carbonoxide steel cylinder, pressure reducing valve, booster pump, co 2 liquefaction storage tank and carbon dioxide metering pump are sequentially connected, the titanium dioxide
The output terminal of carbon metering pump is connected with carbon dioxide conduit, and in the input end of combined polyether storage tank, the carbon dioxide is led
The other end of pipe is connected with combined polyether delivery pipe, and the combined polyether metering pump and carbon dioxide metering pump are using same
Driver control is connected with check valve, unloading valve and aluminium block on the carbon dioxide conduit, and the input terminal of the aluminium block passes through two
Carbonoxide conduit is connected with carbon dioxide metering pump, and the output terminal of the aluminium block is connected with the input terminal of unloading valve, described
It is also associated with pressure gauge, pressure sensor and the valve for emptying on aluminium block, the output terminal of the unloading valve and check valve
Input terminal is connected, and the output terminal of the check valve is connected by carbon dioxide conduit with combined polyether delivery pipe, described to unload
Lotus valve includes cap, locking nut, bonnet and valve body, and the cap, locking nut connect respectively with the upper end spiral of bonnet, locks
Tight nut is located at the lower section of cap, and the lower end of the bonnet is connected with valve body spiral, and the cap is connected with bonnet spiral to be enclosed
Into cavity in be equipped with adjustment spring and spring support seat, one end of the adjustment spring withstood on cap, and the other end withstands on bullet
Interconnected intake channel is equipped on spring support base, in the valve body, exit passageway, adjusts channel and valve seat, the bonnet
Interior to be equipped with transition passage, transition passage is connected with adjusting channel, is equipped with valve rod in the transition passage, valve stem slides connection and
Transition passage, one end of the valve rod are withstood in spring support seat, and the other end is withstood on valve seat, and the valve seat is arranged on import and leads to
On road.
The input end of the combined polyether storage tank is equipped with pressure switch.
The co 2 liquefaction storage tank includes water pipe and hollow tank body, and condenser pipe, two are respectively equipped in the tank body
Carbonoxide helix tube and carbon dioxide material storing box, helically formula, carbon dioxide helix tube are arranged on the condensation to the condenser pipe
In the region that pipe spiral surrounds, the side of the tank body is equipped with refrigerant inlet and refrigerant exit, the refrigerant inlet with it is described cold
One end of solidifying pipe is connected, and the refrigerant exit is connected with the other end of the condenser pipe, the opposite side difference of the tank body
Equipped with pipe outlet, water pipe import, carbon dioxide outlet and carbon dioxide inlet, pipe outlet and carbon dioxide outlet are coaxial,
The water pipe is connected by water pipe import and pipe outlet with the tank body, the carbon dioxide inlet and the carbon dioxide spiral shell
One end of coil is connected, and the other end of the carbon dioxide helix tube is connected with the carbon dioxide material storing box, and described two
Carbonoxide material storing box is connected with the carbon dioxide outlet, and carbon dioxide delivery pipe, the titanium dioxide are equipped in the water pipe
Carbon delivery pipe is connected with the carbon dioxide outlet, and the other end of the carbon dioxide delivery pipe is as co 2 liquefaction storage tank
Output terminal, be connected with the input terminal of carbon dioxide metering pump, the top of the tank body is equipped with water inlet, the bottom of the tank body
Portion is equipped with heating unit, and rubber and plastic is respectively installed on the lateral wall of the tank body and water pipe.
The co 2 liquefaction storage tank is connected with refrigerating plant by refrigerant inlet, refrigerant exit, and refrigerating plant is used for
Export refrigerant.
The utility model is connected with pressure by setting check valve, unloading valve and aluminium block on carbon dioxide conduit on aluminium block
Power table, pressure sensor and the valve for emptying, check valve can prevent combined polyether adverse current from entering in carbon dioxide branch, pressure
Table and pressure sensor cooperate, and personnel easy to operation intuitively understand the pressure size in unloading valve；By setting unloading valve,
When the discharge pressure of carbon dioxide branch road is more than the setting value of unloading valve, unloading valve is opened, carbon dioxide conduit and combination
Polyethers delivery pipe connects, and liquid carbon dioxide is flowed by combined polyether delivery pipe in combined polyether storage tank, works as carbon dioxide
When the discharge pressure of branch road is less than the setting value of unloading valve, unloading valve is closed, carbon dioxide conduit and combined polyether delivery pipe
It does not connect.In co 2 liquefaction storage tank, condenser pipe and carbon dioxide helix tube are spiral design, in tank body and water pipe
It is interior to be full of water, the carbon dioxide gas in carbon dioxide helix tube is made uniformly to freeze, carbon dioxide material storing box is set in tank body,
Carbon dioxide material storing box plays storing, when the gas in carbon dioxide cylinder, which is finished, needs to change new gas bomb, two
Carbonoxide material storing box can continue to provide transportation of liquefied carbon dioxide, and production is made not interrupt；In the bottom of co 2 liquefaction storage tank
Heating unit is set, and heating unit can heat water, and liquefied carbon dioxide is made to be maintained within the temperature range of setting, will
Carbon dioxide delivery pipe is arranged in water pipe, and the carbon dioxide for making to be delivered to carbon dioxide metering pump is always liquid, in tank body
Be respectively installed with rubber and plastic on the lateral wall of water pipe, increase heat insulation effect.
Finally it is pointed out that above example is only the more representational example of the utility model.Obviously, this practicality is new
Type is not limited to the above embodiments, and acceptable there are many deform.Every foundation the technical essence of the utility model is to above example
Any simple modification, equivalent change and modification made is considered as belonging to the scope of protection of the utility model.
Claims (4)
1. a kind of mixed organization for mixing liquid carbon dioxide and combined polyether, including combined polyether branch and carbon dioxide branch
Road, it is characterised in that the combined polyether branch includes combined polyether equipment tank, combined polyether metering pump, combined polyether storage tank
With combined polyether delivery pipe, by combined polyether delivery pipe by the combined polyether equipment tank, combined polyether metering pump and combination
Polyethers storage tank is sequentially connected, and the carbon dioxide branch includes carbon dioxide steel cylinder, pressure reducing valve, booster pump, carbon dioxide liquid
Change storage tank, carbon dioxide metering pump and carbon dioxide delivery pipe, by carbon dioxide delivery pipe by the carbon dioxide steel cylinder, subtract
Pressure valve, booster pump, co 2 liquefaction storage tank and carbon dioxide metering pump are sequentially connected, the output of the carbon dioxide metering pump
End is connected with carbon dioxide conduit, in the input end of combined polyether storage tank, the other end and group of the carbon dioxide conduit
It closes polyethers delivery pipe to be connected, the combined polyether metering pump and carbon dioxide metering pump use same driver control, institute
State and check valve, unloading valve and aluminium block be connected on carbon dioxide conduit, the input terminal of the aluminium block by carbon dioxide conduit with
Carbon dioxide metering pump is connected, and the output terminal of the aluminium block is connected with the input terminal of unloading valve, is also connected on the aluminium block
There are pressure gauge, pressure sensor and the valve for emptying, the output terminal of the unloading valve is connected with the input terminal of check valve,
The output terminal of the check valve is connected by carbon dioxide conduit with combined polyether delivery pipe, the unloading valve include cap,
Locking nut, bonnet and valve body, the cap, locking nut connect respectively with the upper end spiral of bonnet, and locking nut is located at cap
The lower section of lid, the lower end of the bonnet are connected with valve body spiral, and the cap is connected in surrounded cavity with bonnet spiral and set
There are adjustment spring and spring support seat, one end of the adjustment spring is withstood on cap, and the other end is withstood in spring support seat, institute
It states and interconnected intake channel, exit passageway is equipped in valve body, adjusts channel and valve seat, lead in the bonnet equipped with transition
Road, transition passage are connected with adjusting channel, and valve rod, valve stem slides connection and transition passage, institute are equipped in the transition passage
The one end for stating valve rod is withstood in spring support seat, and the other end is withstood on valve seat, and the valve seat is arranged on intake channel.
2. a kind of mixed organization for mixing liquid carbon dioxide and combined polyether according to claim 1, feature exist
Pressure switch is equipped in the input end of the combined polyether storage tank.
3. a kind of mixed organization for mixing liquid carbon dioxide and combined polyether according to claim 1, feature exist
Include water pipe and hollow tank body in the co 2 liquefaction storage tank, condenser pipe, carbon dioxide are respectively equipped in the tank body
Helix tube and carbon dioxide material storing box, helically formula, carbon dioxide helix tube are arranged on the condenser pipe spiral to the condenser pipe
In the region surrounded, the side of the tank body is equipped with refrigerant inlet and refrigerant exit, the refrigerant inlet and the condenser pipe
One end is connected, and the refrigerant exit is connected with the other end of the condenser pipe, and the opposite side of the tank body is respectively equipped with water
Pipe outlet, water pipe import, carbon dioxide outlet and carbon dioxide inlet, pipe outlet and carbon dioxide outlet are coaxial, the water
Pipe is connected by water pipe import and pipe outlet with the tank body, the carbon dioxide inlet and the carbon dioxide helix tube
One end is connected, and the other end of the carbon dioxide helix tube is connected with the carbon dioxide material storing box, the carbon dioxide
Material storing box is connected with the carbon dioxide outlet, and carbon dioxide delivery pipe, the carbon dioxide conveying are equipped in the water pipe
Pipe is connected with the carbon dioxide outlet, the output of the other end of the carbon dioxide delivery pipe as co 2 liquefaction storage tank
End is connected with the input terminal of carbon dioxide metering pump, and the top of the tank body is equipped with water inlet, and the bottom of the tank body is equipped with
Rubber and plastic is respectively installed on the lateral wall of heating unit, the tank body and water pipe.
4. a kind of mixed organization for mixing liquid carbon dioxide and combined polyether according to claim 3, feature exist
Refrigerating plant is connected with by refrigerant inlet, refrigerant exit in the co 2 liquefaction storage tank, refrigerating plant is cold for exporting
Matchmaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721230372.9U CN207493619U (en) | 2017-09-25 | 2017-09-25 | A kind of mixed organization for mixing liquid carbon dioxide and combined polyether |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721230372.9U CN207493619U (en) | 2017-09-25 | 2017-09-25 | A kind of mixed organization for mixing liquid carbon dioxide and combined polyether |
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| CN207493619U true CN207493619U (en) | 2018-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653840A (en) * | 2021-07-27 | 2021-11-16 | 上海空间推进研究所 | Automatic auxiliary debugging device for pressure reducing valve, operation method and pressure reducing valve device |
-
2017
- 2017-09-25 CN CN201721230372.9U patent/CN207493619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653840A (en) * | 2021-07-27 | 2021-11-16 | 上海空间推进研究所 | Automatic auxiliary debugging device for pressure reducing valve, operation method and pressure reducing valve device |
| CN113653840B (en) * | 2021-07-27 | 2023-09-26 | 上海空间推进研究所 | Automatic auxiliary debugging device for pressure reducing valve, operation method and pressure reducing valve device |
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