CN109855444A - A kind of ultra-low temperature surroundings energy tower, energy Tower System and emergency Defrost method - Google Patents

A kind of ultra-low temperature surroundings energy tower, energy Tower System and emergency Defrost method Download PDF

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Publication number
CN109855444A
CN109855444A CN201910151722.XA CN201910151722A CN109855444A CN 109855444 A CN109855444 A CN 109855444A CN 201910151722 A CN201910151722 A CN 201910151722A CN 109855444 A CN109855444 A CN 109855444A
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CN
China
Prior art keywords
energy tower
heat
ultra
shell
low temperature
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Application number
CN201910151722.XA
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Chinese (zh)
Inventor
王维龙
王洪君
徐文秀
夏云广
王超
王帅
张文宁
张�杰
许博文
李振
仉宁
仉儒
郑泽翔
郝媛媛
郑椴弋
段存起
张芳芳
黄坤
夏云涛
谷恒旭
仉媛媛
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河北华强科技开发有限公司
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Priority to CN201910151722.XA priority Critical patent/CN109855444A/en
Publication of CN109855444A publication Critical patent/CN109855444A/en

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Abstract

The present invention relates to a kind of ultra-low temperature surroundings energy tower, structure includes pedestal, shell, heat-exchanger rig, exhaust fan and spray system;Shell is set on pedestal, and heat-exchanger rig is set to enclosure interior, and spray equipment is set to enclosure interior, and exhaust fan is set to case top, and air-inlet grille is provided on shell;Heat-exchanger rig includes heat exchanger tube and fin, and fin is distributed in the surface of heat exchanger tube, is respectively equipped with inlet and liquid outlet at heat exchanger tube both ends;Spray equipment includes liquid storage pool, defrosting liquid circulating pump, conduit and hydrojet disk, liquid storage pool is located at the bottom of shell, and defrosting liquid circulating pump is set in liquid storage pool, and hydrojet disk is set to case top, it is provided with mouth spray in hydrojet pan bottom, conduit connects defrosting liquid circulating pump and hydrojet disk;Defrosting liquid is housed in liquid storage pool.The present invention is also disclosed a kind of ultra-low temperature surroundings energy Tower System and emergency Defrost method, energy tower of the invention and can work under the extremely low environment of temperature, and normal table is run.

Description

A kind of ultra-low temperature surroundings energy tower, energy Tower System and emergency Defrost method

Technical field

The present invention relates to a kind of energy tower, specifically a kind of ultra-low temperature surroundings energy tower, energy Tower System and answer Anxious Defrost method.

Background technique

Energy tower heat pump technology is acted on by the heat exchange of energy tower and heat pump unit, is realized heating, is freezed and mention The technology of supplying hot water.Winter, it utilized subfreezing mounting medium, and the relative humidity under high efficiency extraction low temperature environment is higher Low grade heat energy in air inputs a small amount of high-grade energy by energy tower heat pump unit, realizes Low Temperature Thermal under low temperature environment It can achieve the purpose that heating to the transfer of high temperature heat;Summer due to the special designing of energy tower, plays the work of high-efficiency cooling tower With, by heat be discharged to atmosphere realize refrigeration.But in winter when environment temperature is very low, energy tower is easy to frosting when running, And the low grade heat energy in environment is less, leads to the extraction low grade heat energy that energy tower cannot be stable, influences heat exchange efficiency.

Summary of the invention

It is an object of the invention to provide a kind of ultra-low temperature surroundings energy tower, energy Tower System and emergency Defrost method, To solve the problems, such as that existing energy tower is low in the easy frosting of temperature too low winter, heat exchange efficiency.

The present invention is implemented as follows: a kind of ultra-low temperature surroundings energy tower, including pedestal, shell, heat-exchanger rig, exhaust fan And spray system;The shell is set on the pedestal, and the heat-exchanger rig is set to the enclosure interior, the spray Device is set to the enclosure interior, and the exhaust fan is set to the case top, is provided with air-inlet grille on the housing; The heat-exchanger rig includes heat exchanger tube and fin, and the fin is distributed in the surface of heat exchanger tube, is distinguished at the heat exchanger tube both ends Equipped with inlet and liquid outlet;The spray equipment includes liquid storage pool, defrosting liquid circulating pump, conduit and hydrojet disk, the storage Liquid pool is located at the bottom of the shell, and the defrosting liquid circulating pump is set in the liquid storage pool, and the hydrojet disk is set to institute Case top is stated, is provided with mouth spray in the hydrojet pan bottom, the conduit connects the defrosting liquid circulating pump and the hydrojet Disk;Defrosting liquid is housed in the liquid storage pool.

The defrosting liquid include weight percent be 2% ~ 3% sodium chloride, 4% ~ 5% magnesium chloride, 18% ~ 20% chlorination Calcium, 7% ~ 10% sodium hydroxide, remaining is water.

There are two the heat-exchanger rig is total, heat-exchanger rig described in two groups is located at the two sides of the enclosure interior, described Exhaust fan is located on the shell of two heat-exchanger rig middle upper parts.

The heat exchanger tube is copper pipe, and the heat exchange pipe dish laying up is set, and is divided into several segments heat exchanger tube, two sections of adjacent heat exchanger tubes Between spacing be 60 ~ 80mm.

The fin is aluminium flake, and the spacing between the adjacent fin is 8 ~ 10mm.

It is provided with Temperature Humidity Sensor in the shell, air speed control device is provided on the exhaust fan, automatically Control is not less than 0.8m/s by the wind speed and holding wind speed of the heat-exchanger rig.

The inlet is located at the top of the shell and is pierced by out of described shell, and the liquid outlet is located at the shell Lower part and be pierced by out of described shell.

A kind of ultra-low temperature surroundings energy Tower System is also disclosed in the present invention, including ultra-low temperature surroundings energy tower, energy tower follow Endless tube road, energy tower circulating pump, condensing heat exchanger, thermal storage tank, hot recycle pump, thermal cycle pipeline further include that medium adjusts dress It sets, meet an urgent need pipeline and emergency pump;The ultra-low temperature surroundings energy tower includes pedestal, shell, heat-exchanger rig, exhaust fan and spray Leaching system;The shell is set on the pedestal, and the heat-exchanger rig is set to the enclosure interior, and the spray equipment is set It is placed in the enclosure interior, the exhaust fan is set to the case top, is provided with air-inlet grille on the housing;It is described to change Thermal includes heat exchanger tube and fin, and the fin is distributed in the surface of heat exchanger tube, the heat exchanger tube both ends be respectively equipped with into Liquid mouth and liquid outlet;The spray equipment includes liquid storage pool, defrosting liquid circulating pump, conduit and hydrojet disk, the liquid storage pool position In the bottom of the shell, the defrosting liquid circulating pump is set in the liquid storage pool, and the hydrojet disk is set to the shell Top is provided with mouth spray in the hydrojet pan bottom, and the conduit connects the defrosting liquid circulating pump and the hydrojet disk;Institute It states in liquid storage pool equipped with defrosting liquid.

The both ends of the energy tower circulating line are connect with the inlet of the energy tower and liquid outlet respectively, the energy Tower circulating pump is connected on the energy tower circulating line, and the both ends of the thermal cycle pipeline are connected to the thermal storage tank Inlet and outlet on, the hot recycle pump is connected on the thermal cycle pipeline, and the condensing heat exchanger is mounted on adjacent On the energy tower circulating line and the thermal cycle pipeline, the medium regulating device is connected in parallel on the energy tower circulating line On, the emergency pipeline connects the thermal storage tank and the energy tower circulating line, and the emergency pump is mounted on the emergency On pipeline.

Ultra-low temperature surroundings energy tower of the invention reduces frosting by adjusting wind speed, the biggish air flow gap of setting A possibility that, while spray defrosting is carried out using spray equipment exchange thermal, the frost on heat exchanger tube and fin is efficiently ablated. It include sodium chloride, magnesium chloride and calcium chloride in defrosting liquid, the freezing point of villaumite mixed solution is very low, under appropriate proportioning and concentration It will not freeze, can be additionally added as the defrosting agent under ultra-low temperature surroundings, while in defrosting liquid temperature is lower than -30 DEG C Calcium hydroxide, calcium hydroxide can greatly reduce solution to corrosion of metal under a certain concentration.It is final to determine defrosting liquid The best in quality concentration of middle each component is sodium chloride 2.5%, magnesium chloride 4.5%, calcium chloride 19%, calcium hydroxide 10%.

But when special circumstances such as temperature is too low or spray equipment breaks down, meeting on the heat exchanger tube and fin of heat-exchanger rig Frosting, if not removing the normal work that will affect ultra-low temperature surroundings energy tower.

So a kind of ultra-low temperature surroundings energy tower emergency Defrost method is also disclosed in the present invention, which is characterized in that above-mentioned Ultra-low temperature surroundings energy Tower System, when detect occur frost that the defrosting agent can not remove on the heat-exchanger rig when, surpass Low temperature environment energy tower stops working, and pump startup of meeting an urgent need into energy tower circulating line, incites somebody to action the delivery in thermal storage tank In energy tower circulating pump in original solution indentation medium regulating device, by energy tower circulating pump by delivery to heat exchanger tube Interior, after hot water melts the frost on heat exchanger tube and fin, emergency pump shuts down, and ultra-low temperature surroundings energy tower opens again It is dynamic, and medium regulating device starts to add the concentration that medium adjusts medium in energy tower circulating line into circulating line.

Energy tower of the invention can work at very low temperature, increase retrievable low product by improving ventilation rate Position thermal energy, improves heat exchange efficiency, and adopt a series of measures to prevent or handle the generation of frosting, to ensure that the energy Job stability of the tower under ultra-low temperature surroundings.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of ultra-low temperature surroundings energy tower of the present invention.

Fig. 2 is the right view of Fig. 1 of the present invention.

Fig. 3 is the schematic diagram of energy Tower System of the present invention.

Fig. 4 is the schematic diagram of heat exchanger tube and fin of the present invention.

In figure: 1, ultra-low temperature surroundings energy tower;2, energy tower circulating line;3, energy tower circulating pump;4, medium adjusts dress It sets;5, condensing heat exchanger;6, thermal cycle pipeline;7, hot recycle pump;8, thermal storage tank;9, emergency pipeline;10, emergency pump;1-1, Pedestal;1-2, shell;1-3, exhaust fan;1-4, defrosting liquid circulating pump;1-5, conduit;1-6, hydrojet disk;1-7, mouth spray;1-8, Heat exchanger tube;1-9, fin;1-10, inlet;1-11, liquid outlet;1-12, liquid storage pool;1-13, defrosting liquid;1-14, air inlet lattice Grid.

Specific embodiment

As shown in Figure 1 and Figure 2, ultra-low temperature surroundings energy tower 1 of the invention include pedestal 1-1, shell 1-2, heat-exchanger rig, Exhaust fan 1-3 and spray system.Pedestal 1-1 is located at bottom, and pedestal 1-1 is fixedly mounted on the coagulation earthen platform of bottom surface, It is fixedly installed with shell 1-2 on pedestal 1-1, to be tightly connected between shell 1-2 and pedestal 1-1, is equipped with and changes in shell 1-2 Thermal, exhaust fan 1-3 and spray system.

Wherein, there are two heat-exchanger rig is total to, the front and back two parts being located inside shell 1-2, heat-exchanger rig includes changing Heat pipe 1-8 and fin 1-9, fin 1-9 are generally evenly distributed in (as shown in Figure 4) on heat exchanger tube 1-8, in order to as big as possible Increase heat exchange area, heat exchanger tube 1-8 is the folded setting of disk, and a heat exchanger tube 1-8 is divided into several segments by multiple doubling, each section Heat exchanger tube 1-8 is parallel to each other and is spaced identical, fin 1-9 is welded on heat exchanger tube 1-8, fin 1-9 is distributed in adjacent In space between heat exchanger tube 1-8, to maximumlly improve the contact area of heat exchanger tube 1-8 and fin 1-9 and air, that is, change Heat area.Simultaneously in order to improve heat exchange efficiency, heat exchanger tube 1-8 selects copper pipe, and fin 1-9 selects aluminium sheet, and copper and aluminium are all thermally conductive The preferable material of property.Liquid outlet 1-11 and inlet 1-10, liquid outlet 1-11 are separately installed in two ports of heat exchanger tube 1-8 Positioned at top, inlet 1-10 is located at lower part, and liquid outlet 1-11 and inlet 1-10 be all mounted on the side plate of shell 1-2 and It is stretched out from side plate.Wherein, spacing is 60 ~ 80mm between two sections of adjacent heat exchanger tube 1-8, two adjacent on heat exchanger tube 1-8 Spacing is 8 ~ 10mm between fin 1-9, and heat exchanger tube 1-8 spacing and fin 1-9 spacing are larger, is conducive to the circulation of air, but Excessive spacing can reduce the contact area with air, therefore use moderate spacing, while cooperate exhaust fan 1-3 control by changing The wind speed of thermal, to fully absorb the low grade heat energy in Cryogenic air.

Exhaust fan 1-3 is mounted on the top of shell 1-2, is provided with air-inlet grille 1- on the front and rear sides side plate of shell 1-2 14, by the draft effect of exhaust fan 1-3, the air in shell 1-2 is extracted out, makes to generate negative pressure, extraneous sky in shell 1-2 Gas is entered inside shell 1-2 by air-inlet grille 1-14.Temperature Humidity Sensor is installed in shell 1-2, for detecting shell Temperature and humidity conditions inside 1-2, are equipped with air speed control device on exhaust apparatus, and air speed control device passes through temperature and humidity The signal of sensor opens adjusting wind speed, thus volume of the control by the air of heat-exchanger rig, wherein wind speed is not less than 0.8m/ S, to guarantee that heat-exchanger rig can obtain thermal energy from enough air.

Spray equipment is provided in shell 1-2, spray equipment includes liquid storage pool 1-12, defrosting liquid circulating pump 1-4, conduit 1- 5 and hydrojet disk 1-6, liquid storage pool 1-12 be located at the bottom of shell 1-2, defrosting liquid circulating pump 1-4 is set in liquid storage pool 1-12, Hydrojet disk 1-6 is set at the top of shell 1-2, is provided with mouth spray 1-7, conduit 1-5 connection defrosting liquid circulation in the bottom hydrojet disk 1-6 1-4 and hydrojet disk 1-6 is pumped, defrosting liquid 1-13 is housed in liquid storage pool 1-12.There are two hydrojet disk 1-6, is located at two and changes Defrosting liquid 1-13 in liquid storage pool 1-12 is drawn through conduit 1-5 and is delivered to spray by the top of thermal, defrosting liquid circulating pump 1-4 In liquid disk 1-6, on the mouth spray 1-7 spray to heat-exchanger rig that defrosting liquid 1-13 passes through the bottom hydrojet disk 1-6.

Wherein defrosting liquid 1-13 using sodium chloride, magnesium chloride, calcium chloride and calcium hydroxide mixed solution.Wherein Sodium chloride, magnesium chloride and calcium chloride keep the freezing point of mixed solution very low, and under suitable proportion, the freezing point of mixed solution can Reach -30 DEG C hereinafter, and calcium hydroxide can reduce mixed solution corrosivity, especially when the quality of calcium hydroxide point When number is 7% ~ 10%, mixed solution corrosivity is minimum.It will start to generate when the total content of each solute is greater than 40% Precipitating, so the total content of solute is controlled less than 40%, meanwhile, the mixed solution when the total content of each component is 35% or so Freezing point is minimum.In order to make mixed solution while obtain minimum freezing point, and the total content of solute is controlled, determined in defrosting liquid 1-13 Comprising weight percent be 2% ~ 3% sodium chloride, 4% ~ 5% magnesium chloride, 18% ~ 20% calcium chloride, 7% ~ 10% sodium hydroxide, Remaining is water.The optimal content of solution each component be sodium chloride 2.5%, magnesium chloride 4.5%, calcium chloride 19%, calcium hydroxide 10%, Yu Weishui, the freezing point of mixed solution can reach -30 DEG C hereinafter, to guarantee that energy tower 1 can be in the environment of extreme cold at this time It does not freeze, guarantees its stable operation.

When energy tower 1 is run, the possibility of frosting is reduced by adjusting wind speed, the biggish air flow gap of setting Property, when the temperature is low, opens spray equipment and prevent heat-exchanger rig frosting using defrosting liquid 1-13 or remove on heat-exchanger rig Frost, but ambient temperature is too low sometimes, after heat-exchanger rig obtains heat from environment, temperature in shell 1-2 into The decline of one step, leads to the too low formation frost of heat-exchanger rig surface temperature, and defrosting liquid 1-13 can not be eliminated, at this time with regard to needing to adopt Emergency measure is taken to eliminate the frost on heat-exchanger rig.So a kind of 1 system of ultra-low temperature surroundings energy tower is also disclosed in the present invention And emergency Defrost method.

As shown in figure 3,1 system of ultra-low temperature surroundings energy tower include ultra-low temperature surroundings energy tower 1, energy tower circulating line 2, Energy tower circulating pump 3, condensing heat exchanger 5, thermal storage tank 8, hot recycle pump 7, thermal cycle pipeline 6, medium regulating device 4, emergency Pipeline 9 and emergency pump 10.The both ends of energy tower circulating line 2 respectively with the inlet 1-10 of ultra-low temperature surroundings energy tower 1 and Liquid outlet 1-11 connection, energy tower circulating pump 3 are connected on energy tower circulating line 2, and the both ends of thermal cycle pipeline 6 are separately connected In the inlet and outlet of thermal storage tank 8, hot recycle pump 7 is connected on thermal cycle pipeline 6, and condensing heat exchanger 5 is mounted on adjacent Energy tower circulating line 2 and thermal cycle pipeline 6 on, medium regulating device 4 is connected in parallel on energy tower circulating line 2, emergency pipe Road 9 connects thermal storage tank 8 and energy tower circulating line 2, and emergency pump 10 is mounted on emergency pipeline 9.In energy tower circulating line 2 Circulation is the medium solution of low freezing point, and medium solution absorbs the heat in air in heat-exchanger rig, molten after absorbing heat Liquid temperature, which increases and passes through energy tower circulating pump 3, is pumped into condensing heat exchanger 5, delivers heat to heat by condensing heat exchanger 5 Circulating line 6, the heat of medium solution be condensed heat exchanger 5 absorb after temperature reduce, then proceed to be pumped back to heat-exchanger rig, lead to It crosses its circulation and constantly delivers heat to thermal cycle pipeline 6.Water in the thermal cycle pipeline 6 temperature liter after condensing heat exchanger 5 Height, the water of high temperature are stored in thermal storage tank 8.At nominal conditions, emergency pump 10 is halted state, thermal storage tank 8 and energy Source tower circulating line 2 is not connected to, and only after emergency pump 10 starts, the hot water in thermal storage tank 8 can just be transported to energy tower In circulating line 2, water, which enters, will lead to medium in energy tower circulating line 2 and is diluted, and medium regulating device 4 will be from trend Medium is added in 1 circulation line of ultra-low temperature surroundings energy tower, the concentration for adjusting medium stablizes it in a certain range.Work as medium When solution concentration is excessively high, medium regulating device 4 can also add water into 1 circulation line of ultra-low temperature surroundings energy tower, adjust and be situated between In the concentration to prescribed limit of matter.

Ultra-low temperature surroundings energy tower 1 meet an urgent need Defrost method, when detect on the heat-exchanger rig occur the defrosting agent without When the frost that method is removed, ultra-low temperature surroundings energy tower 1 stops working, and emergency pump 10 starts the delivery in thermal storage tank 8 Into energy tower circulating line 2, solution original in energy tower circulating pump 3 is pressed into medium regulating device 4, is followed by energy tower Ring pump 3 is by delivery to heat exchanger tube 1-8, after hot water melts the frost on heat exchanger tube 1-8 and fin 1-9, emergency pump 10 shut down, and ultra-low temperature surroundings energy tower 1 restarts, and medium regulating device 4 starts to add Jie into circulating line Matter adjusts the concentration of medium in energy tower circulating line 2.

By above measure, energy tower 1 of the invention can work under the extremely low environment of temperature, can normally inhale The probability very little for receiving heat frosting simultaneously, can take urgent measure there is the phenomenon that frosting and remove frost, ensure The work of its normal table.

Claims (10)

1. a kind of ultra-low temperature surroundings energy tower, which is characterized in that including pedestal, shell, heat-exchanger rig, exhaust fan and spray system System;The shell is set on the pedestal, and the heat-exchanger rig is set to the enclosure interior, and the spray equipment is set to The enclosure interior, the exhaust fan are set to the case top, are provided with air-inlet grille on the housing;The heat exchange dress It sets including heat exchanger tube and fin, the fin is distributed in the surface of heat exchanger tube, is respectively equipped with inlet at the heat exchanger tube both ends And liquid outlet;The spray equipment includes liquid storage pool, defrosting liquid circulating pump, conduit and hydrojet disk, and the liquid storage pool is located at institute The bottom of shell is stated, the defrosting liquid circulating pump is set in the liquid storage pool, and the hydrojet disk is set to the case top, It is provided with mouth spray in the hydrojet pan bottom, the conduit connects the defrosting liquid circulating pump and the hydrojet disk;In the storage Defrosting liquid is housed in liquid pool.
2. ultra-low temperature surroundings energy tower according to claim 1, which is characterized in that the defrosting liquid includes weight percent For 2% ~ 3% sodium chloride, 4% ~ 5% magnesium chloride, 18% ~ 20% calcium chloride, 7% ~ 10% sodium hydroxide, remaining is water.
3. ultra-low temperature surroundings energy tower according to claim 1, which is characterized in that there are two the heat-exchanger rig is total, two The group heat-exchanger rig is located at the two sides of the enclosure interior, and the exhaust fan is located on two heat-exchanger rig centres On the shell of side.
4. ultra-low temperature surroundings energy tower according to claim 1, which is characterized in that the heat exchanger tube is copper pipe, described to change Heat pipe disk laying up is set, and several segments heat exchanger tube is divided into, and the spacing between two sections of adjacent heat exchanger tubes is 60 ~ 80mm.
5. ultra-low temperature surroundings energy tower according to claim 1, which is characterized in that the fin is aluminium flake, adjacent described Spacing between fin is 8 ~ 10mm.
6. ultra-low temperature surroundings energy tower according to claim 1, which is characterized in that be provided with temperature and humidity in the shell Sensor is provided with air speed control device on the exhaust fan, automatically controls the wind speed by the heat-exchanger rig and holding Wind speed is not less than 0.8m/s.
7. ultra-low temperature surroundings energy tower according to claim 1, which is characterized in that the inlet is located at the shell It top and is pierced by out of described shell, the liquid outlet is located at the lower part of the shell and is pierced by out of described shell.
8. a kind of ultra-low temperature surroundings energy Tower System, including ultra-low temperature surroundings energy tower, energy tower circulating line, energy tower circulation Pump, condensing heat exchanger, thermal storage tank, hot recycle pump, thermal cycle pipeline, which is characterized in that further include medium regulating device, emergency Pipeline and emergency pump;The ultra-low temperature surroundings energy tower includes pedestal, shell, heat-exchanger rig, exhaust fan and spray system; The shell is set on the pedestal, and the heat-exchanger rig is set to the enclosure interior, and the spray equipment is set to institute Enclosure interior is stated, the exhaust fan is set to the case top, is provided with air-inlet grille on the housing;The heat-exchanger rig Including heat exchanger tube and fin, the fin is distributed in the surface of heat exchanger tube, the heat exchanger tube both ends be respectively equipped with inlet and Liquid outlet;The spray equipment includes liquid storage pool, defrosting liquid circulating pump, conduit and hydrojet disk, and the liquid storage pool is located at described The bottom of shell, the defrosting liquid circulating pump are set in the liquid storage pool, and the hydrojet disk is set to the case top, The hydrojet pan bottom is provided with mouth spray, and the conduit connects the defrosting liquid circulating pump and the hydrojet disk;In the storage liquid Defrosting liquid is housed in pond.
9. ultra-low temperature surroundings energy Tower System according to claim 8, which is characterized in that the energy tower circulating line Both ends are connect with the inlet of the energy tower and liquid outlet respectively, and the energy tower circulating pump is connected on the energy tower circulation On pipeline, the both ends of the thermal cycle pipeline are connected in the inlet and outlet of the thermal storage tank, the hot recycle pump It is connected on the thermal cycle pipeline, the condensing heat exchanger is mounted on the adjacent energy tower circulating line and follows with the heat On endless tube road, the medium regulating device is connected in parallel on the energy tower circulating line, and the emergency pipeline connects the accumulation of heat Pond and the energy tower circulating line, the emergency pump are mounted on the emergency pipeline.
The Defrost method 10. a kind of ultra-low temperature surroundings energy tower is met an urgent need, which is characterized in that be directed to ultralow temperature according to any one of claims 8 Environmental energy Tower System, when detect occur frost that the defrosting agent can not remove on the heat-exchanger rig when, ultralow temperature ring Border energy tower stops working, meet an urgent need pump startup by the delivery in thermal storage tank into energy tower circulating line, by energy tower In circulating pump in original solution indentation medium regulating device, by energy tower circulating pump by delivery to heat exchanger tube, hot water After frost on heat exchanger tube and fin is melted, emergency pump shuts down, the restarting of ultra-low temperature surroundings energy tower, and is situated between Matter regulating device starts to add the concentration that medium adjusts medium in energy tower circulating line into circulating line.
CN201910151722.XA 2019-02-28 2019-02-28 A kind of ultra-low temperature surroundings energy tower, energy Tower System and emergency Defrost method CN109855444A (en)

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