CN208414630U - The cooling water recirculation system of silicon material ingot casting boiler - Google Patents

The cooling water recirculation system of silicon material ingot casting boiler Download PDF

Info

Publication number
CN208414630U
CN208414630U CN201820957595.3U CN201820957595U CN208414630U CN 208414630 U CN208414630 U CN 208414630U CN 201820957595 U CN201820957595 U CN 201820957595U CN 208414630 U CN208414630 U CN 208414630U
Authority
CN
China
Prior art keywords
boiler
pipeline
liquid
heat
interlayer
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.)
Expired - Fee Related
Application number
CN201820957595.3U
Other languages
Chinese (zh)
Inventor
庞学
郑江
魏欣
董正丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu High & New Energy Technology Co Ltd
Original Assignee
Jiangsu High & New Energy Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu High & New Energy Technology Co Ltd filed Critical Jiangsu High & New Energy Technology Co Ltd
Priority to CN201820957595.3U priority Critical patent/CN208414630U/en
Application granted granted Critical
Publication of CN208414630U publication Critical patent/CN208414630U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Silicon Compounds (AREA)

Abstract

The utility model discloses a kind of cooling water recirculation systems of silicon material ingot casting boiler, including the liquid argon tank to boiler supply argon gas, it is connected between liquid argon tank and boiler by vapourizing unit, boiler is equipped with boiler coolant liquid interlayer, the liquid feeding end A of the boiler coolant liquid interlayer of boiler is connected to by pump housing A with the outlet end E of coolant reservoirs, the outlet end A of the boiler coolant liquid interlayer of boiler is connected to by heat-exchangers of the plate type with the liquid feeding end E of coolant reservoirs, vapourizing unit is equipped with heat exchanging interlayer A, and the heat exchanger coolant liquid of heat-exchangers of the plate type is connected to heat exchanging interlayer A.Known to from the above, the cooling water recirculation system of the silicon material ingot casting boiler of the utility model, make the heat exchange coolant liquid to boiler coolant liquid using the liquid argon vaporization heat absorption in the production technology of silicon material ingot casting boiler to freeze, while guaranteeing heat exchange effect, moreover it is possible to the vapourizing unit surface of liquid argon be made to avoid freezing.

Description

The cooling water recirculation system of silicon material ingot casting boiler
Technical field
The utility model relates to the technical fields of the cooling cycle of silicon material ingot casting boiler, and in particular to a kind of silicon material ingot casting pot The cooling water recirculation system of furnace.
Background technique
In photoelectric field, silicon is extremely important and common raw semiconductor, is the optimal raw material of solar battery. The process for preparing silicon wafer generally comprises the processes such as the cleaning of silicon raw material, silicon material ingot casting, silicon ingot butt, silicon side's slice.Entirely making During standby, the maximum process of time-consuming longest, energy consumption is silicon material ingot casting.Silicon material after cleaning is put into boiler, in inert gas Atmosphere under dissolve by heating, then crystallization form silicon ingot.During this, extreme temperatures in the crucible of ingot casting, in order to anti- Only boiler is burnt out, and boiler is equipped with interlayer, is cooled down using coolant liquid to boiler itself.And cooling down the coolant liquid after boiler just needs To cool down in time and be recycled to boiler herein and continue to cool down to boiler.Current enterprise is typically produced by refrigeration machine cold But agent is to carrying out heat exchange cooling to the boiler coolant liquid after boiler cooling, but in this way will obviously be additional increase energy Consumption.
In addition, argon gas is typically all to carry out transport storage with liquid argon state, it must but required when entering in boiler It must be argon gas, and since liquid argon vaporization can absorb a large amount of heat, freeze to will lead to hydraulic vapourizing unit, not only influences The efficiency for continuing vaporization of liquid argon, nor safeguarded convenient for the dismounting to gasification installation;And it is vaporized by vapourizing unit Temperature of argon gas afterwards is very low with respect to for the temperature in boiler, so will lead in boiler after argon gas enters in boiler Temperature generates fluctuation, not only further increases the energy consumption of boiler ingot casting, but also will affect the quality of silicon material ingot casting.
Summary of the invention
The purpose of this utility model is that: overcome the deficiencies of the prior art and provide a kind of cooling water of silicon material ingot casting boiler The circulatory system is absorbed heat cold to the heat exchange of boiler coolant liquid to make using the liquid argon vaporization in the production technology of silicon material ingot casting boiler But liquid freezes, and while guaranteeing heat exchange effect, reduces production energy consumption, and can also make the vapourizing unit surface of liquid argon It avoids freezing, and then is safeguarded convenient for the dismounting of vapourizing unit;Passed through using the boiler coolant liquid after cooling boiler to vaporization Argon gas afterwards is preheated before entering boiler, so that the lower argon gas of temperature be avoided to enter after boiler to the temperature in boiler Cause to fluctuate, to influence the quality of silicon material ingot casting and increase energy consumption, while preheat argon gas while is also to boiler coolant liquid Primary pre-cooling is carried out, to can also make boiler coolant liquid that can fast and effeciently cool down after cooling boiler, to follow Boiler is cooled down again after ring;Argon gas is avoided so that the heat exchange effect of vapourizing unit improves by the effect of gathering tube In the larger situation of usage amount, vapourizing unit still is able to normal use, and freezeout will not occur;By the effect of cooling tower, To when the heating power when boiler is higher, pot in-furnace temperature is higher, it is ensured that boiler coolant liquid is gone back after circulation Boiler can be carried out effectively cooling.
Technical solution adopted in the utility model is:
The cooling water recirculation system of silicon material ingot casting boiler, the boiler including silicon material ingot casting further include supplying argon gas to boiler Liquid argon tank, between the liquid argon tank and boiler by vapourizing unit connect, the boiler be equipped with boiler coolant liquid interlayer, it is described The liquid feeding end A of the boiler coolant liquid interlayer of boiler is connected to by pump housing A with the outlet end E of coolant reservoirs, the boiler of the boiler The outlet end A of coolant liquid interlayer is connected to by heat-exchangers of the plate type with the liquid feeding end E of coolant reservoirs, and the vapourizing unit is equipped with The outlet end C of heat exchanging interlayer A, the liquid feeding end B and heat exchanging interlayer A of the heat exchanger coolant liquid of the heat-exchangers of the plate type are connected to, The liquid feeding end C of the outlet end B and heat exchanging interlayer A of the heat exchanger coolant liquid of the heat-exchangers of the plate type are connected to.
The utility model is further improved scheme, and the vapourizing unit is connected to liquid argon tank by liquid argon delivery pipe, is logical It crosses argon delivery lines to be connected to boiler, the surface of the argon delivery lines is equipped with heat exchanging interlayer B, the feed liquor of the heat exchanging interlayer B End D is connected to by pipeline A with the outlet end A of boiler cooling sandwith layer, the outlet end D of the heat exchanging interlayer B pass through pipeline B with it is board-like The boiler coolant liquid liquid feeding end of heat exchanger is connected to.
The further improvement project of the utility model is the outlet end of the heat exchanger coolant liquid of the heat-exchangers of the plate type B is connected to by pipeline C with the outlet end C of heat exchanging interlayer A, the pipeline C by tee tube A respectively parallel communication have pipeline D with Pipeline E, the pipeline D and pipeline E pass through tee tube C respectively and are connected to pipeline F, and go out liquid by pipeline F and heat exchanging interlayer A Hold C connection.
The further improvement project of the utility model is that the pipeline F is equipped with pump housing B.
The further improvement project of the utility model is that the boiler coolant liquid outlet end of the heat-exchangers of the plate type is communicated with Pipeline G, the pipeline D are directly connected to pipeline F, the pipeline E is connected to pipeline G by tee tube B to form gathering tube after, then It is connected to by tee tube C with pipeline F, the gathering tube is equipped with tee tube D, and the gathering tube is connected by tee tube D and pipeline H It is logical, and be connected to by pipeline H with the liquid feeding end E of coolant reservoirs.
The further improvement project of the utility model is that the pipeline D is equipped with valve A, and the pipeline E is equipped with valve B is additionally provided with valve C between the tee tube C and tee tube D.
The further improvement project of the utility model is that the pipeline H is connected to by tee tube E with pipeline I, the pipeline I is connected to the liquid feeding end F of cooling tower, and the outlet end F of the cooling tower is connected to by pipeline J with the liquid feeding end E ' of coolant reservoirs.
The further improvement project of the utility model is, the pipeline I is equipped with valve D, and the pipeline H is upper, positioned at three Valve E is equipped between siphunculus E and coolant reservoirs.
The further improvement project of the utility model is that the liquid feeding end A of the boiler coolant liquid interlayer of the boiler passes through pipe Road K is connected to the outlet end E of coolant reservoirs, and the pump housing A is communicated on pipeline K.
The further improvement project of the utility model is that the outlet end C of the heat exchanging interlayer A passes through pipeline L and board-like heat The liquid feeding end B of the heat exchanger coolant liquid of exchanger is connected to.
The utility model has the beneficial effects that:
The first, the cooling water recirculation system of the silicon material ingot casting boiler of the utility model, utilizes the production of silicon material ingot casting boiler Liquid argon vaporization heat absorption in technique is freezed come the heat exchange coolant liquid for making to boiler coolant liquid, guarantees the same of heat exchange effect When, production energy consumption is reduced, and the vapourizing unit surface of liquid argon can also be made to avoid freezing, and then be convenient for the dismounting of vapourizing unit Maintenance.
The second, the cooling water recirculation system of the silicon material ingot casting boiler of the utility model utilizes the pot after cooling boiler Furnace coolant liquid before entering boiler by preheating the argon gas after vaporization, so that the lower argon gas of temperature be avoided to enter pot The temperature in boiler is caused to fluctuate after furnace, to influence the quality of silicon material ingot casting and increase energy consumption, while preheating the same of argon gas When be also that primary pre-cooling has been carried out to boiler coolant liquid, to can also make boiler coolant liquid can be quick after cooling boiler Effectively cool down, to be cooled down again to boiler after circulation.
Third, the utility model silicon material ingot casting boiler cooling water recirculation system, by the effect of gathering tube, so that vapour Disguise the heat exchange effect set to improve, avoid in the larger situation of argon gas usage amount, vapourizing unit still is able to normal use, will not Freezeout occurs.
4th, the cooling water recirculation system of the silicon material ingot casting boiler of the utility model, by the effect of cooling tower, to work as When the heating power of boiler is higher, pot in-furnace temperature is higher, it is ensured that boiler coolant liquid can also be right after circulation Boiler carries out effectively cooling.
Detailed description of the invention:
Fig. 1 is the schematic diagram of the utility model structure.
Specific embodiment:
As shown in Figure 1, the cooling water recirculation system of the silicon material ingot casting boiler of the utility model includes the boiler of silicon material ingot casting 1, further include the liquid argon tank 2 for supplying argon gas to boiler 1, is connected between the liquid argon tank 2 and boiler 1 by vapourizing unit 3, it is described Boiler 1 is equipped with boiler coolant liquid interlayer, and the liquid feeding end A of the boiler coolant liquid interlayer of the boiler 1 passes through pump housing A24 and coolant liquid The outlet end E in pond 9 is connected to, and the outlet end A of the boiler coolant liquid interlayer of the boiler 1 passes through heat-exchangers of the plate type 8 and coolant liquid The liquid feeding end E in pond 9 is connected to, and the vapourizing unit 3 is equipped with heat exchanging interlayer A6, and the heat exchanger of the heat-exchangers of the plate type 8 is cold But the outlet end C of the liquid feeding end B and heat exchanging interlayer A6 of liquid are connected to, and the heat exchanger coolant liquid of the heat-exchangers of the plate type 8 goes out Liquid end B is connected to the liquid feeding end C of heat exchanging interlayer A6;The vapourizing unit 3 is connected to liquid argon tank 2, is passed through by liquid argon delivery pipe 4 Argon delivery lines 5 are connected to boiler 1, and the surfaces of the argon delivery lines 5 is equipped with heat exchanging interlayer B7, the heat exchanging interlayer B7 into Liquid end D is connected to by pipeline A12 with the outlet end A of boiler cooling sandwith layer, and the outlet end D of the heat exchanging interlayer B7 passes through pipeline B13 is connected to the boiler coolant liquid liquid feeding end of heat-exchangers of the plate type 8;The heat exchanger coolant liquid of the heat-exchangers of the plate type 8 Outlet end B is connected to by pipeline C17 with the outlet end C of heat exchanging interlayer A6, and the pipeline C17 connects by the way that tee tube A is in parallel respectively It is connected with pipeline D21 and pipeline E22, the pipeline D21 and pipeline E22 passes through tee tube C respectively and be connected to pipeline F15, and pass through Pipeline F15 is connected to the outlet end C of heat exchanging interlayer A6;The pipeline F15 is equipped with pump housing B25;The pot of the heat-exchangers of the plate type 8 Furnace coolant liquid outlet end is communicated with pipeline G14, and the pipeline D21 is directly connected to pipeline F15, the pipeline E22 and pipeline G14 It is connected to by tee tube B after forming gathering tube 23, then is connected to by tee tube C with pipeline F15, the gathering tube 23 is equipped with three Siphunculus D, the gathering tube 23 are connected to by tee tube D with pipeline H18, and pass through the liquid feeding end E of pipeline H18 and coolant reservoirs 9 Connection;The pipeline D21 be equipped with valve A27, the pipeline E22 be equipped with valve B28, the tee tube C and tee tube D it Between be additionally provided with valve C29;The pipeline H18 is connected to by tee tube E with pipeline I19, the pipeline I19 and cooling tower 10 into The outlet end F of liquid end F connection, the cooling tower 10 is connected to by pipeline J20 with the liquid feeding end E ' of coolant reservoirs 9;The pipeline I19 is equipped with valve D26, the pipeline H18 is upper, between tee tube E and coolant reservoirs 9 equipped with valve E30;The boiler The liquid feeding end A of 1 boiler coolant liquid interlayer is connected to by pipeline K11 with the outlet end E of coolant reservoirs 9, the pump housing A24 connection On pipeline K11;The outlet end C of the heat exchanging interlayer A6 is cooling by the heat exchanger of pipeline L16 and heat-exchangers of the plate type 8 The liquid feeding end B of liquid is connected to.The boiler coolant liquid is water, the coolant liquid in the coolant reservoirs 9 is water, the board-like heat exchange The heat exchanger coolant liquid of device 8 is also water.
When the utility model normal use, the water in coolant reservoirs 9 is delivered to the boiler of boiler 1 by pump housing A24 The liquid feeding end A of coolant liquid interlayer, cools down boiler 1, when boiler 1 begins to use, due in boiler 1 temperature compared with Height makes the temperature of the water of the outlet end A of boiler coolant liquid interlayer so the water in boiler coolant liquid interlayer cools down boiler It is higher, when then boiler uses, since reaction is needed using argon gas as protection gas, so the liquid argon in liquid argon tank 2 needs It is vaporized by vapourizing unit 3, and the process vaporized needs to absorb heat, so can be to playing cooling work around vapourizing unit 3 With, and the temperature of argon gas in the argon delivery lines 5 after vaporizing is relatively low, being directly entered in boiler 1 can be to the temperature in boiler 1 It has an impact, causes the silicon material ingot casting time to extend, energy consumption increases;So the heat exchanger coolant liquid feed liquor of heat-exchangers of the plate type 8 After end is connected to the outlet end C of heat exchanging interlayer A6 set by vapourizing unit 3, the water temperature of heat exchanger coolant liquid liquid feeding end is extremely low, And the heat exchanging interlayer B7 of argon delivery lines 5 is exchanged heat by just carrying out the higher water of cooling temperature to boiler 1, to make argon Argon gas in letter shoot 5 is preheated, while the argon gas in argon delivery lines 5 to boiler 1 also to just carrying out cooling temperature Higher water is cooled down for the first time;Then board-like heat is again passed by by the water that the argon gas in argon delivery lines 5 cools down for the first time to hand over Parallel operation 8, the water progressive heat exchange cooling with vapourizing unit 3 is passed through, to cool down again;Valve A27 and valve E30 is opened, Valve B28 and valve C29 is closed, and then the water of the heat exchanger coolant liquid Jing Guo heat exchange is again introduced into changing for vapourizing unit 3 Hot interlayer A6 carries out cooling refrigeration, and the water of the boiler coolant liquid by heat exchange then enters coolant reservoirs 9.
When argon gas usage amount is larger, valve A27 is closed, and valve B28, valve C29 and valve E30 are opened, thus The flow for increasing the water in the heat exchanging interlayer A6 of vapourizing unit 3 avoids vapourizing unit 3 from freezing, while also can be further Improve the cooling effect of boiler coolant liquid.
The power consumption needed for silicon material ingot casting in boiler 1 is larger, cause temperature is higher, when need cooling amount larger, Since the specific discharge of the boiler coolant liquid in the boiler coolant liquid interlayer of boiler 1 will not change, so leading to boiler coolant liquid The temperature of the water of the outlet end A of interlayer can be higher, and after heat-exchangers of the plate type 8, the boiler of heat-exchangers of the plate type 8 is cold But the temperature of the water of liquid outlet end still can be higher, and valve D26 is opened at this time, and valve E30 is closed, and makes heat-exchangers of the plate type 8 The water of boiler coolant liquid outlet end can first pass through after cooling tower 10 further cools down and enter back into coolant reservoirs 9, guarantee pump housing A24 The water temperature being delivered in boiler coolant liquid interlayer from coolant reservoirs 9 can achieve the effect that effective temperature-reducing boiler 1.

Claims (10)

1. the cooling water recirculation system of silicon material ingot casting boiler, it is characterised in that: the boiler (1) including silicon material ingot casting, further include to Boiler (1) supplies the liquid argon tank (2) of argon gas, is connect between the liquid argon tank (2) and boiler (1) by vapourizing unit (3), described Boiler (1) is equipped with boiler coolant liquid interlayer, and the liquid feeding end A of the boiler coolant liquid interlayer of the boiler (1) passes through pump housing A(24) with The outlet end E of coolant reservoirs (9) is connected to, and the outlet end A of the boiler coolant liquid interlayer of the boiler (1) passes through heat-exchangers of the plate type (8) it is connected to the liquid feeding end E of coolant reservoirs (9), the vapourizing unit (3) is equipped with heat exchanging interlayer A(6), the board-like heat is handed over The outlet end C of the liquid feeding end B and heat exchanging interlayer A(6) of the heat exchanger coolant liquid of parallel operation (8) are connected to, the heat-exchangers of the plate type (8) the liquid feeding end C of the outlet end B and heat exchanging interlayer A(6) of heat exchanger coolant liquid are connected to.
2. the cooling water recirculation system of silicon material ingot casting boiler as described in claim 1, it is characterised in that: the vapourizing unit (3) it is connected to by liquid argon delivery pipe (4) with liquid argon tank (2), is connected to by argon delivery lines (5) with boiler (1), the argon gas is defeated Send pipe (5) surface be equipped with heat exchanging interlayer B(7), the heat exchanging interlayer B(7) liquid feeding end D pass through pipeline A(12) it is cold with boiler But the outlet end A connection of interlayer, the heat exchanging interlayer B(7) outlet end D pass through pipeline B(13) with heat-exchangers of the plate type (8) The connection of boiler coolant liquid liquid feeding end.
3. the cooling water recirculation system of silicon material ingot casting boiler as described in claim 1, it is characterised in that: the board-like heat exchange The outlet end B of the heat exchanger coolant liquid of device (8) passes through pipeline C(17) it is connected to the outlet end C of heat exchanging interlayer A(6), the pipe Road C(17) by tee tube A, parallel communication has pipeline D(21 respectively) and pipeline E(22), the pipeline D(21) and pipeline E(22) It is connected to respectively by tee tube C with pipeline F(15), and passes through pipeline F(15) it is connected to the outlet end C of heat exchanging interlayer A(6).
4. the cooling water recirculation system of silicon material ingot casting boiler as claimed in claim 3, it is characterised in that: the pipeline F(15) Equipped with pump housing B(25).
5. the cooling water recirculation system of silicon material ingot casting boiler as claimed in claim 3, it is characterised in that: the board-like heat exchange The boiler coolant liquid outlet end of device (8) is communicated with pipeline G(14), the pipeline D(21) directly it is connected to pipeline F(15), it is described Pipeline E(22) be connected to pipeline G(14) by tee tube B and to form gathering tube (23) after, then pass through tee tube C and pipeline F(15) Connection, the gathering tube (23) are equipped with tee tube D, and the gathering tube (23) is connected to by tee tube D with pipeline H(18), and It is connected to by pipeline H(18) with the liquid feeding end E of coolant reservoirs (9).
6. the cooling water recirculation system of silicon material ingot casting boiler as claimed in claim 5, it is characterised in that: the pipeline D(21) It is equipped with valve A(27), the pipeline E(22) it is equipped with valve B(28), valve is additionally provided between the tee tube C and tee tube D Door C(29).
7. the cooling water recirculation system of silicon material ingot casting boiler as claimed in claim 5, it is characterised in that: the pipeline H(18) It is connected to by tee tube E with pipeline I(19), the pipeline I(19) it is connected to the liquid feeding end F of cooling tower (10), the cooling tower (10) outlet end (F) passes through pipeline J(20) it is connected to the liquid feeding end E ' of coolant reservoirs (9).
8. the cooling water recirculation system of silicon material ingot casting boiler as claimed in claim 7, it is characterised in that: the pipeline I(19) Be equipped with valve D(26), the pipeline H(18) on, positioned at tee tube E and coolant reservoirs (9) between equipped with valve E(30).
9. the cooling water recirculation system of silicon material ingot casting boiler as described in claim 1, it is characterised in that: the boiler (1) The liquid feeding end A of boiler coolant liquid interlayer passes through pipeline K(11) be connected to the outlet end E of coolant reservoirs (9), the pump housing A(24) It is communicated in pipeline K(11) on.
10. the cooling water recirculation system of silicon material ingot casting boiler as described in claim 1, it is characterised in that: the heat exchanging interlayer A (6) outlet end C passes through pipeline L(16) it is connected to the liquid feeding end B of the heat exchanger coolant liquid of heat-exchangers of the plate type (8).
CN201820957595.3U 2018-06-21 2018-06-21 The cooling water recirculation system of silicon material ingot casting boiler Expired - Fee Related CN208414630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820957595.3U CN208414630U (en) 2018-06-21 2018-06-21 The cooling water recirculation system of silicon material ingot casting boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820957595.3U CN208414630U (en) 2018-06-21 2018-06-21 The cooling water recirculation system of silicon material ingot casting boiler

Publications (1)

Publication Number Publication Date
CN208414630U true CN208414630U (en) 2019-01-22

Family

ID=65109124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820957595.3U Expired - Fee Related CN208414630U (en) 2018-06-21 2018-06-21 The cooling water recirculation system of silicon material ingot casting boiler

Country Status (1)

Country Link
CN (1) CN208414630U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108441947A (en) * 2018-06-21 2018-08-24 江苏迩高新能源科技有限公司 The cooling water recirculation system of silicon material ingot casting boiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108441947A (en) * 2018-06-21 2018-08-24 江苏迩高新能源科技有限公司 The cooling water recirculation system of silicon material ingot casting boiler
CN108441947B (en) * 2018-06-21 2024-01-02 江苏迩高新能源科技有限公司 Cooling water circulation system of silicon ingot casting boiler

Similar Documents

Publication Publication Date Title
CN110455006B (en) Waste heat recovery and energy cascade utilization coupling system of metallurgical oxygen plant
CN101749688A (en) Steam recycle device for utilization and treatment of heat energy of blast furnace slag
CN210197801U (en) LNG cold energy is used for air cooling tower spray cooling's system
CN215480828U (en) System for recovering wine-making distillation cooling heat source and recycling cooling water
CN105776294B (en) A kind of energy-efficient alchlor production method
CN208414630U (en) The cooling water recirculation system of silicon material ingot casting boiler
CN102012141B (en) Liquid nitrogen vaporization cold recycling device
CN108507220A (en) A kind of lithium bromide absorption cold but unit and its type of cooling
CN201093167Y (en) Liquid ammonia storage tank evaporation heat gasifying device
CN108635902A (en) Titanium liquid ferrous iron crystal system and method
CN108441947A (en) The cooling water recirculation system of silicon material ingot casting boiler
CN218521216U (en) White spirit distillation cooling water circulation comprehensive utilization system
CN201302325Y (en) Production equipment water cooling system
CN204787851U (en) Intermediate frequency furnace thermal treatment system
CN101844383B (en) Plate heat exchanger in process unit for paraffin continuous forming machine and application thereof
CN206177052U (en) Blast furnace stave waste heat recovery system
CN204271118U (en) A kind of double source cooled graphite boat cooling room
CN109442802A (en) A kind of economic benefits and social benefits water cooler cold-hot combined supply system
CN110274416B (en) LNG cold energy is used for air cooling tower spray cooling's system
CN212057890U (en) Fluid precooling circulating system
CN210547943U (en) Waste heat recycling device of steelmaking continuous casting system
CN113280638A (en) Combined cooling, heating and power system for recycling waste heat of molten magnesium lead
CN203307300U (en) Lower-segment replenisher pre-cooling device of cross-pipe primary cooler
CN220803181U (en) Deep carbonization system in propylene glycol production
CN102312039B (en) Converter smoke cooling device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190122

Termination date: 20190621

CF01 Termination of patent right due to non-payment of annual fee