CN201460813U - Wellhead anti-freezing heating system by using mine water residual heat to supply heat - Google Patents
Wellhead anti-freezing heating system by using mine water residual heat to supply heat Download PDFInfo
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- CN201460813U CN201460813U CN2009201081138U CN200920108113U CN201460813U CN 201460813 U CN201460813 U CN 201460813U CN 2009201081138 U CN2009201081138 U CN 2009201081138U CN 200920108113 U CN200920108113 U CN 200920108113U CN 201460813 U CN201460813 U CN 201460813U
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Abstract
The utility model discloses a wellhead anti-freezing heating system by using mine water residual heat to supply heat. The wellhead anti-freezing heating system mainly provides two winter heating modes: the first mode is that under not too low outdoor temperature, a first and a second direct heating water pump direct heating modes are used to supply heat sources to a first end heating machine and a second end heating machine, thereby guaranteeing more than 2 DEG C of wellhead air-intake temperature; the second mode is that the heating mode combined by the first direct heating water pump and a water source heat pump set is used to supply heat sources to the first end heating machine and the second end heating machine when the outdoor temperature is quite low, thereby ensuring more than 2 DEG C of wellhead air-intake temperature. In the utility model, each mining enterprise can use the existing mine water residual heat sources to solve the heat source problem of wellhead anti-freezing heating, when the wellhead anti-freezing heating system is in motion, waste gas, waste water and waste slag are not produced, compared with the traditional coal-fired industry boiler mode, the running expenses in the utility model are extremely low.
Description
Technical field
The utility model relates to a kind of antifreeze heating system, specifically, relates to a kind of antifreeze heating system of well head that utilizes the heat supply of mine water waste heat.
Background technology
All enterprises that carry out underground mining all are crucial to the antifreeze facility of well head for the northern area of China, the phenomenon of freezing in case take place in well head or hoistway, the production of whole mine will be stagnated, so the relevant industry design specifications of country has a whole set of complete technical stipulation to well head is antifreeze, require mine main to be provided with in the regulation and improve reliable heating equipment, be not less than 2 ℃ to guarantee wellhead temperature.In practical engineering application, because well head is the inlet that the down-hole ventilates, ventilation is quite big, in the winter time if a large amount of cold air heat that will guarantee long-term and stably to enter well head to the temperature that is not less than technical standard order, needed heating load is sizable.
For a long time, each mining firm antifreeze mode of traditional pithead of adopting all is to use coal-burned industrial boiler to provide steam to guarantee wellhead temperature to well head radiator system.But, owing to have only the period of less than 5% to be in the minimum temperature state in winter, mine eloquence when being in the minimum temperature state needs the oepration at full load of coal-burned industrial boiler, therefore, coal-burned industrial boiler with the antifreeze mode heat supply of this traditional pithead in most of periods all is the running status that is in underload, poor efficiency, it can not normally bring into play capacity of equipment effectively, and simultaneously, the waste residue waste gas of coal-burned industrial boiler discharging also can affect to surrounding environment.
The present situation of high energy consumption, maximum discharge and the high cost that is had in the face of present each mining firm's antifreeze mode of well head in winter, as seen, designing a kind of not only practical but also economical antifreeze heating technology scheme of well head for pithead is to need the problem of solution at present badly.
The utility model content
The purpose of this utility model is to provide a kind of antifreeze heating system of well head that utilizes the heat supply of mine water waste heat, the waste heat of the existing mine water of this system's utilization solves the thermal source problem of the antifreeze usefulness of well head, system is in operation and does not produce waste gas, waste water and waste residue, and operating cost is low.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of antifreeze heating system of well head that utilizes the heat supply of mine water waste heat, it is characterized in that: it comprises mine water Buffer Pool, self-cleaning type strainer, mine water pump, sewage heat exchanger, the first direct heating water pump, the second direct heating water pump, the first terminal heating equipment and the second terminal heating equipment, and wherein: this mine water Buffer Pool is used to store and regulate the process purified treatment of discharging from mine or does not pass through the mine water of purified treatment; The input of the delivery port of this mine water Buffer Pool and this self-cleaning type strainer joins, the input of the output of this self-cleaning type strainer and many these mine water pumps joins, the input of the heated side of many these mine water delivery side of pumps and this sewage heat exchanger joins, the output of the heated side of this sewage heat exchanger divides two-way, one the tunnel joins with the mine water treating stations, another road joins via the input of one first temperature control flow control valve and many these mine water pumps, the output that is heated side of this sewage heat exchanger respectively with the input of the first direct heating water pump, the input of the second direct heating water pump joins, the output of this first direct heating water pump and the input of many first terminal heating equipments join, the input that is heated side of the output of these many first terminal heating equipments and this sewage heat exchanger joins, the output of this second direct heating water pump and the input of many second terminal heating equipments join, and the input that is heated side of the output of these many second terminal heating equipments and this sewage heat exchanger joins; This first terminal heating equipment and the second terminal heating equipment are arranged in the warm braw machine room of both sides, heapstead, the heating air outlet of this first terminal heating equipment and the heating air outlet of the second terminal heating equipment pass the wall of heapstead and place in the heapstead, so that the outdoor air of heating is sent into the heapstead.
The antifreeze heating system of described well head also comprises source heat pump heat water pump, heat pump heat supply circulating water pump, water source heat pump units, and wherein: this water source heat pump units comprises evaporimeter and condenser; The output that is heated side of the input of this source heat pump heat water pump and described sewage heat exchanger joins, the input of the output of this source heat pump heat water pump and the evaporimeter of this water source heat pump units joins, the input that is heated side of the output of this evaporimeter and described sewage heat exchanger joins, the input of the output of the condenser of this water source heat pump units and described many second terminal heating equipments joins, the output of described many second terminal heating equipments joins via the input of the condenser of this heat pump heat supply circulating water pump and this water source heat pump units, between the input of the output of this condenser and this heat pump heat supply circulating water pump one second temperature control flow control valve is set; Between the input that is heated side of the output of described many second terminal heating equipments and described sewage heat exchanger, be provided with a shut-off valve.The described first terminal heating equipment and the second terminal heating equipment are the air-conditioning unit.
A kind of antifreeze heating system of well head that utilizes the heat supply of mine water waste heat, it is characterized in that: it comprises mine water Buffer Pool, the first self-cleaning type strainer, the first direct heating water pump, the second direct heating water pump, the first terminal heating equipment and the second terminal heating equipment, and wherein: this mine water Buffer Pool is used to store and regulate the mine water of the process purified treatment of discharging from mine; The input of the delivery port of this mine water Buffer Pool and this first self-cleaning type strainer joins, the output of this first self-cleaning type strainer respectively with the input of the first direct heating water pump, the input of the second direct heating water pump joins, the output of this first direct heating water pump and the input of many first terminal heating equipments join, the output of these many first terminal heating equipments divides two-way, one the tunnel joins with the mine water treating stations, another road joins via the input of the first temperature control flow control valve and this first direct heating water pump, the output of this second direct heating water pump and the input of many second terminal heating equipments join, the output of these many second terminal heating equipments divides two-way, one the tunnel joins with this mine water treating stations, and another road joins via the input of the second temperature control flow control valve and this second direct heating water pump; This first terminal heating equipment and the second terminal heating equipment are arranged in the warm braw machine room of both sides, heapstead, the heating air outlet of this first terminal heating equipment and the heating air outlet of the second terminal heating equipment pass the wall of heapstead and place in the heapstead, so that the outdoor air of heating is sent into the heapstead.
The antifreeze heating system of described well head also comprises the second self-cleaning type strainer, source heat pump heat water pump, heat pump heat supply circulating water pump, water source heat pump units, and wherein: this water source heat pump units comprises evaporimeter and condenser; The input of this second self-cleaning type strainer and the delivery port of described mine water Buffer Pool join, the output of this second self-cleaning type strainer joins via the input of the evaporimeter of this source heat pump heat water pump and this water source heat pump units, the output of this evaporimeter divides two-way, one the tunnel joins with described mine water treating stations, another road joins via the input of the 3rd temperature control flow control valve and this source heat pump heat water pump, the input of the output of the condenser of this water source heat pump units and described many second terminal heating equipments joins, the output of described many second terminal heating equipments joins via the input of the condenser of this heat pump heat supply circulating water pump and this water source heat pump units, between the input of the output of this condenser and this heat pump heat supply circulating water pump one the 4th temperature control flow control valve is set; Between the input of the output of many second terminal heating equipments and the second temperature control flow control valve, be provided with a shut-off valve.The described first terminal heating equipment and the second terminal heating equipment are the air-conditioning unit.
The utility model has the advantages that:
1, the utility model mainly provides two kinds of heat supply in winter modes: first kind, in the winter time in most of periods of heating period, be that outside air temperature is not under the very low situation, the utility model can directly be supplied to end-equipment with the water at low temperature that mine water provides by the mode of first, second direct heating water pump direct heating, thereby makes the well head EAT in the heapstead remain on more than 2 ℃ of industry technology regulation; Second kind, when outside air temperature very low, first kind of heating system can not guarantee that the well head EAT is more than 2 ℃ the time, the utility model can come terminad equipment that the water of institute's calorific requirement is provided by combine with the water source heat pump units mode of heating of the first direct heating water pump, so that the well head EAT in the heapstead maintains more than 2 ℃.
Therefore, can see, heating duration by two kinds of heating systems of effective and reasonable arrangement, accurately control the mode of heating load, can make full use of the heat energy that mine water provides, effectively reduce the running time and the heating load of water source heat pump units, like this, the electric weight that heating is consumed can be lowered to minimum, has reduced the antifreeze heating operation expense of well head to greatest extent.
2, in the utility model, each mining firm can utilize existing mine water residual heat resources to solve the thermal source problem of the antifreeze heating of well head, this is a kind of novel energy utilization patterns (utilizations of geothermal energy resources), this energy utilization patterns have replaced the coal-burned industrial boiler that the antifreeze mode of traditional pithead is taked, the antifreeze heating system of the utility model well head is in operation and does not produce waste gas, waste water and waste residue, compare with traditional coal-burned industrial boiler heat-supplying mode, operating cost of the present utility model has reduced more than 50%, and it is higher to work as the mine water temperature, when the water yield is big, operating cost even can reduce more than 70%.The utility model is applicable to the mining firm that possesses mine water waste heat condition.
Description of drawings
Fig. 1 is an embodiment schematic diagram of the present utility model;
Fig. 2 is another embodiment schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is an enforcement illustration of the present utility model. in the winter time in most of periods of heating period, under outside air temperature is not very low situation, well head EAT in the heapstead (industry is defined as more than 2 ℃) can adopt the antifreeze heating system of following well head to guarantee, as shown in Figure 1, the antifreeze heating system of this well head comprises mine water Buffer Pool 210, self-cleaning type strainer 220, mine water pump 230, sewage heat exchanger 240 (can be board-like sewage heat exchanger or shell-tube type sewage heat exchanger), the first direct heating water pump 251, the second direct heating water pump 252, the first terminal heating equipment 291 and second terminal heating equipment 292. as the figure, this mine water Buffer Pool 210 is used to store and regulate process the purified treatment of discharging from mine or does not pass through the mine water of purified treatment. and the purpose of setting up mine water Buffer Pool 210 is to avoid the electric period of peak for drainage underground equipment is had ready conditions, some larger particles in the mine water can be deposited in the pond simultaneously, avoid it to enter system. mine water 100 can enter in the mine water Buffer Pool 210 from the water inlet of mine water Buffer Pool 210, for most of mining firms, the temperature of this mine water 100 should be between 15 to 25 ℃; The input of the delivery port of this mine water Buffer Pool 210 and this self-cleaning type strainer 220 joins, the input of the output of this self-cleaning type strainer 220 and many these mine water pumps 230 (there is shown two mine water pumps) joins, the input of the heated side of the output of many these mine water pumps 230 and this sewage heat exchanger 240 joins, the output of the heated side of this sewage heat exchanger 240 divides two-way, one the tunnel joins with mine water treating stations 300 (being Sewage Disposal), another road joins via the input of one first temperature control flow control valve 231 with many these mine water pumps 230, adopt the purpose of this backflow pipe-connecting mode to be further effectively to utilize heat energy in the mine water, promptly more effectively utilize the heat energy in the mine water. the output that is heated side of this sewage heat exchanger 240 respectively with the input of the first direct heating water pump 251, the input of the second direct heating water pump 252 joins, the output of this first direct heating water pump 251 and the input of many first terminal heating equipments 291 join, the input that is heated side of the output of these many first terminal heating equipments 291 and this sewage heat exchanger 240 join (only schematically showing two first terminal heating equipments 291 among the figure), the output of this second direct heating water pump 252 and the input of many second terminal heating equipments 292 join, the input that is heated side of the output of these many second terminal heating equipments 292 and this sewage heat exchanger 240 join (only schematically showing two second terminal heating equipments 292 among the figure); This first terminal heating equipment 291 and the second terminal heating equipment 292 are arranged in the warm braw machine room of 400 both sides, heapstead, the heating air outlet of the heating air outlet of this first terminal heating equipment 291 and the second terminal heating equipment 292 passes the wall of heapstead 400 and places in the heapstead 400, so that the outdoor air of heating is sent in 400. reality of heapstead, the first terminal heating equipment 291 and the second terminal heating equipment 292 can be the forced heat-exchanging air heating apparatus of being made up of coil pipe and blower fan, i.e. air-conditioning unit; Because there is certain negative pressure heapstead 400 with respect to outdoor environment, so above-mentioned air-conditioning unit should dispose by the principle of " the big big motor of the little overbottom pressure of air quantity ".
When outside air temperature further reduces, above-mentioned heating system the well head EAT can not be remained on the industry technology regulation and stipulation more than 2 ℃ the time, can adopt the antifreeze heating system of following well head to guarantee, as shown in Figure 1, on the basis of the antifreeze heating system of above-mentioned well head, increase source heat pump heat water pump 260, heat pump heat supply circulating water pump 280, water source heat pump units 270.As figure, this water source heat pump units 270 comprises evaporimeter 271 and condenser 272; The output that is heated side of the input of this source heat pump heat water pump 260 and sewage heat exchanger 240 joins, the input of the evaporimeter 271 of the output of this source heat pump heat water pump 260 and this water source heat pump units 270 joins, the input that is heated side of the output of this evaporimeter 271 and sewage heat exchanger 240 joins, the output of the condenser 272 of this water source heat pump units 270 and the input of many second terminal heating equipments 292 join, the output of many second terminal heating equipments 292 joins via the input of this heat pump heat supply circulating water pump 280 with the condenser 272 of this water source heat pump units 270, between the input of the output of this condenser 272 and this heat pump heat supply circulating water pump 280 one second temperature control flow control valve 281 is set; Between the input that is heated side of the output of many second terminal heating equipments 292 and sewage heat exchanger 240, be provided with a shut-off valve 600.What circulate in the pipeline that is heated side, condenser 272 of sewage heat exchanger 240 is the demineralized water that provides via corresponding hydrotreater separately.
In the practical engineering design, mine water pump 230, the first direct heating water pump 251, the second direct heating water pump 252, source heat pump heat water pump 260, heat pump heat supply circulating water pump 280 all should be provided with a reserve pump separately.
The operating principle of the antifreeze heating system of well head shown in Figure 1 is:
In the winter time in most of periods of heating period, under outside air temperature is not very low situation, can adopt the direct heating mode to guarantee that the well head EAT remains on more than 2 ℃, be specially: open mine water pump 230, sewage heat exchanger 240, the first direct heating water pump 251, the second direct heating water pump 252 (this moment, shut-off valve 600 was opening). the mine water 100 (temperature is between 15 to 25 ℃) that enters mine water Buffer Pool 210 from water inlet enters self-cleaning type strainer 220 from delivery port and carries out filtration treatment, enter the input of the heated side of sewage heat exchanger 240 via the pressurization extraction of mine water pump 230 then, mine water 100 the heated side of sewage heat exchanger 240 with self heat transferred sewage heat exchanger 240 be heated the rear flank, flow out the temperature of mine water (this moment below 12 ℃) from the output of the heated side of sewage heat exchanger 240, the a part of mine water 100 that flows out from the output of heated side is discharged to mine water treating stations 300 and carries out sewerage treatment, another part mine water 100 then via the first temperature control flow control valve 231 with the heated side of being sent into sewage heat exchanger 240 from the mine waters of the new output of self-cleaning type strainer 220 via mine water pump 230, to realize further heat transferred being heated the purpose of side. after being heated cyclic softening water in the side and having absorbed the heat that heated side passes over, offer the first terminal heating equipment 291 via the first direct heating water pump 251, simultaneously offer the second terminal heating equipment 292 via the second direct heating water pump 252, make first, the second terminal heating equipment 291,292 provide hot blast to heapstead 400. from first, the second terminal heating equipment 291, the cyclic softening water that loses heat that 292 output is discharged from is sent into sewage heat exchanger 240 via the input that is heated side of sewage heat exchanger 240 and is continued to absorb the heat that heated side passes over, thereby continue via first, the second direct heating water pump 251,252 offer first, the second terminal heating equipment 291,292. like this, the demineralized water that is heated side is at the first direct heating water pump 251, the first terminal heating equipment 291 and being heated between side of sewage heat exchanger 240 are constantly circulated, simultaneously at the second direct heating water pump 252, the second terminal heating equipment 292 and being heated between side of sewage heat exchanger 240 are constantly circulated, to reach constantly to first, the second terminal heating equipment 291,292 provide heat, thereby first, the second terminal heating equipment 291,292 pass through the heating air outlet to heapstead 400 heat supplies, the EAT that guarantees well head 410 maintains more than 2 ℃. in the reality, the automatic temperature control of air-conditioning unit is according to the difference between the actual temperature of well head 410 and 2 ℃, constantly adjust first in the variable frequency control mode, the second direct heating water pump 251,252 flow, to change first, the second terminal heating equipment 291,292 heating load, thus the temperature all-the-time stable of control well head 410 is at 2 ± 0.5 ℃.
When outside air temperature further reduces, when above-mentioned direct heating mode can not guarantee that the well head EAT remains on more than 2 ℃, the heating system that can adopt the first direct heating water pump 251 to combine with water source heat pump units 270, be specially: close the second direct heating water pump 252, close shut-off valve 600, open source heat pump heat water pump 260, heat pump heat supply circulating water pump 280, water source heat pump units 270.The first terminal heating equipment 291 still obtains the demineralized water that has heat via the first direct heating water pump 251, here no longer describes in detail, but need to prove: under this running status, the first direct heating water pump 251 should change the constant speed operation into.And the demineralized water that is heated side of sewage heat exchanger 240 is behind heated side absorption heat, a part is outside the output that is heated side flows into the first direct heating water pump 251, another part flows into the evaporimeter 271 of water source heat pump units 270 via source heat pump heat water pump 260, the demineralized water that has a heat in evaporimeter 271 by mechanical compress and evaporation process with the demineralized water in its heat transferred condenser 272, the temperature of the demineralized water in the condenser 272 is improved (can reach 45 ℃ in theory), and to second terminal heating equipment 292 heat supplies, make the second terminal heating equipment 292 provide hot blast, the hot blast height that the hot blast that this moment, the second terminal heating equipment 292 provided provides than the first terminal heating equipment 291 to heapstead 400.Provide the demineralized water of heat to flow out from evaporimeter 271 outputs to condenser 272, via after being heated side and continue absorbing the heat that heated side passes over of sewage heat exchanger 240, continuation is via source heat pump heat water pump 260 inflow evaporators 271, self heat is constantly offered the cyclic softening water in the condenser 272.And the cyclic softening water (temperature is about 40 ℃) that loses heat is discharged from from the output of the second terminal heating equipment 292, send into the condenser 272 of water source heat pump units 270 via heat pump heat supply circulating water pump 280 after, continue to absorb the heat that the cyclic softening water in the evaporimeter 271 passes over, thereby continue to offer the second terminal heating equipment 292.Like this, cyclic softening water in the evaporimeter 271 is at source heat pump heat water pump 260, evaporimeter 271 and being heated between side of sewage heat exchanger 240 are constantly circulated, transmit heat with the cyclic softening water in condenser 272, and the cyclic softening water in the condenser 272 is at heat pump heat supply circulating water pump 280, the condenser 272 and second 292 of the terminal heating equipments constantly circulate, obtain heat and constantly provide from evaporimeter 271, come together to guarantee that with the hot blast that provides with the first terminal heating equipment 291 EAT of well head 410 maintains more than 2 ℃ to the second terminal heating equipment 292.In the actual motion, when the temperature of well head 410 is higher than 2 ℃, the second temperature control flow control valve 281 can be controlled fine setting automatically, increase bypass flow, the i.e. second upwards fine setting of temperature control flow control valve 281, the high temperature water that increase is come out from condenser 272, and make high temperature water that this flow increases via the second temperature control flow control valve 281, heat pump heat supply circulating water pump 280 return condensed devices 272, thereby owing to enter the rising that the circulating backwater temperature of water source heat pump units 270 has trace, the control system of water source heat pump units 270 self can be automatically downwards trace adjust heating demand, correspondingly, the power load of himself unit is also done trace adjustment downwards thereupon, meanwhile, the circulation water for heating flow of the second terminal heating equipment 292 has trace to descend owing to flow through, therefore, its heating load to heapstead 400 also has trace to descend thereupon, and the actual temperature of well head 410 also begins trace and changes downwards.As seen, this temperature control mode can accurately be controlled wellhead temperature, effectively saves power consumption.
Fig. 2 is that of the present utility model another implemented illustration (this is directly as the embodiment of circulation water for heating through the mine water of purified treatment). in the winter time in most of periods of heating period, under outside air temperature is not very low situation, well head EAT in the heapstead (industry technology is defined as more than 2 ℃) can adopt the antifreeze heating system of following well head to guarantee, as shown in Figure 2, the antifreeze heating system of this well head comprises mine water Buffer Pool 510, the first self-cleaning type strainer 521, the first direct heating water pump 531, the second direct heating water pump 532, the first terminal heating equipment 571 and second terminal heating equipment 572. as the figure, this mine water Buffer Pool 510 is used to store and regulate the mine water 100 ' of the process purified treatment of discharging from mine, the purpose of setting up mine water Buffer Pool 510 is to avoid the peak electricity period for drainage underground equipment is had ready conditions, for most of mining firms, the temperature of this mine water 100 ' should be between 15 to 25 ℃; The input of the delivery port of this mine water Buffer Pool 510 and this first self-cleaning type strainer 521 joins, the output of this first self-cleaning type strainer 521 respectively with the input of the first direct heating water pump 531, the input of the second direct heating water pump 532 joins, the output of this first direct heating water pump 531 and the input of many first terminal heating equipments 571 join (only schematically showing two first terminal heating equipments 571 among the figure), the output of these many first terminal heating equipments 571 divides two-way, one the tunnel joins with mine water treating stations 300 (being Sewage Disposal), another road joins via the input of the first temperature control flow control valve 533 with this first direct heating water pump 531, the output of this second direct heating water pump 532 and the input of many second terminal heating equipments 572 join (only schematically showing two second terminal heating equipments 572 among the figure), the output of these many second terminal heating equipments 572 divides two-way, one the tunnel joins with this mine water treating stations 300, another road joins via the input of the second temperature control flow control valve 534 with this second direct heating water pump 532. and this first terminal heating equipment 571 and the second terminal heating equipment 572 are arranged in the warm braw machine room of 400 both sides, heapstead, the heating air outlet of the heating air outlet of this first terminal heating equipment 571 and the second terminal heating equipment 572 passes the wall of heapstead 400 and places in the heapstead 400, so that the outdoor air of heating is sent in 400. reality of heapstead, the first terminal heating equipment 571 and the second terminal heating equipment 572 can be the forced heat-exchanging air heating apparatus of being made up of coil pipe and blower fan, i.e. air-conditioning unit; Because there is certain negative pressure heapstead 400 with respect to outdoor environment, so above-mentioned air-conditioning unit should dispose by the principle of " the big big motor of the little overbottom pressure of air quantity ".
When outside air temperature further reduces, above-mentioned heating system can not guarantee the well head EAT remain on the industry technology regulation and stipulation more than 2 ℃ the time, can adopt the antifreeze heating system of following well head to guarantee, as shown in Figure 2, on the basis of the antifreeze heating system of above-mentioned well head, increase by the second self-cleaning type strainer 522, source heat pump heat water pump 540, heat pump heat supply circulating water pump 560, water source heat pump units 550.As figure, this water source heat pump units 550 comprises evaporimeter 551 and condenser 552; The input of this second self-cleaning type strainer 522 and the delivery port of mine water Buffer Pool 510 join, the output of this second self-cleaning type strainer 522 joins via the input of this source heat pump heat water pump 540 with the evaporimeter 551 of this water source heat pump units 550, the output of this evaporimeter 551 divides two-way, one the tunnel joins with mine water treating stations 300, another road joins via the input of the 3rd temperature control flow control valve 541 with this source heat pump heat water pump 540, the output of the condenser 552 of this water source heat pump units 550 and the input of many second terminal heating equipments 572 join, the output of many second terminal heating equipments 572 joins via the input of this heat pump heat supply circulating water pump 560 with the condenser 552 of this water source heat pump units 550, between the input of the output of this condenser 552 and this heat pump heat supply circulating water pump 560 one the 4th temperature control flow control valve 561 is set.Between the input of the output of many second terminal heating equipments 572 and the second temperature control flow control valve 534, be provided with a shut-off valve 700.What circulate in the pipeline of evaporimeter 551 is mine water, and what circulate in the pipeline of condenser 552 is the demineralized water that provides via corresponding hydrotreater.
In actual engineering design, the first direct heating water pump 531, the second direct heating water pump 532 should be the water pumps of variable frequency control, and are provided with a reserve pump separately.Source heat pump heat water pump 540, heat pump heat supply circulating water pump 560 also should be provided with a reserve pump separately.
The operating principle of the antifreeze heating system of well head shown in Figure 2 is:
In the winter time in most of periods of heating period, under outside air temperature is not very low situation, can adopt the direct heating mode to guarantee that the well head EAT remains on more than 2 ℃, be specially: open the first direct heating water pump 531, the second direct heating water pump 532 (this moment, shut-off valve 700 was an opening), the mine water 100 ' (temperature is between 15 to 25 ℃) that enters mine water Buffer Pool 510 from water inlet enters the first self-cleaning type strainer 521 from delivery port and carries out filtration treatment, offer the first terminal heating equipment 571 via the first direct heating water pump 531 then, simultaneously offer the second terminal heating equipment 572 via the second direct heating water pump 532, make first, the second terminal heating equipment 571,572 provide hot blast to heapstead 400. and the mine water that loses heat is from first, the second terminal heating equipment 571,572 output is discharged from, a part is discharged to mine water treating stations 300 and carries out sewerage treatment, and another part is corresponding to first, the second temperature control flow control valve 533,534 with corresponding to first from the mine water of the first self-cleaning type strainer, 521 new outputs, the second direct heating water pump 531,532 are continued to offer first, the second terminal heating equipment 571,572. first, the second temperature control flow control valve 533,534 control the size of bypassing reflux stream amount according to the artificial temperature at discharging condensate of setting, so that the heat energy of mine water can obtain reasonable use, this bypass regulative mode can effectively reduce the mine water temperature that is discharged into mine water treating stations 300, reach the purpose of more effectively utilizing mine water heat energy. like this, the mine water that has heat constantly circulates at the first direct heating water pump 531 and first 571 of the terminal heating equipments, constantly circulate at the second direct heating water pump 532 and second 572 of the terminal heating equipments simultaneously, to reach constantly to first, the second terminal heating equipment 571,572 provide the purpose of heat, thereby first, the second terminal heating equipment 571,572 pass through the heating air outlet to heapstead 400 heat supplies, the EAT that guarantees well head 410 maintains more than 2 ℃. in the actual motion, the automatic temperature control of air-conditioning unit is according to the difference between the actual temperature of well head 410 and 2 ℃, constantly adjust first in the variable frequency control mode, the second direct heating water pump 531,532 flow, to change first, the second terminal heating equipment 571,572 heating load, thus the temperature all-the-time stable of control well head 410 is at 2 ± 0.5 ℃.
When outside air temperature further reduces, when the direct heating mode can not guarantee that the well head EAT remains on more than 2 ℃, the heating system that can adopt the first direct heating water pump 531 to combine with water source heat pump units 550, be specially: close the second direct heating water pump 532, close shut-off valve 700, open source heat pump heat water pump 540, heat pump heat supply circulating water pump 560, water source heat pump units 550.The first terminal heating equipment 571 still obtains the mine water that has heat via the first direct heating water pump 531, here no longer describes in detail, but need to prove: under this running status, the first direct heating water pump 531 should change the constant speed operation into.And the mine water 100 ' in the mine water Buffer Pool 510 (temperature is between 15 to 25 ℃) enters from delivery port outside the first self-cleaning type strainer 521, also enter the second self-cleaning type strainer 522 and carry out filtration treatment, enter the evaporimeter 551 of water source heat pump units 550 then via source heat pump heat water pump 540, the mine water that has a heat in evaporimeter 551 by mechanical compress and evaporation process with the cyclic softening water in its heat transferred condenser 552, make the temperature of the cyclic softening water in the condenser 552 be improved (can reach 45 ℃ in theory), and to second terminal heating equipment 572 heat supplies, make the second terminal heating equipment 572 provide hot blast, the hot blast height that the hot blast that this moment, the second terminal heating equipment 572 provided provides than the first terminal heating equipment 571 to heapstead 400.After condenser 552 provides the mine water of heat to flow out evaporimeter 551, a part is discharged to mine water treating stations 300 and carries out sewerage treatment, and another part continues via source heat pump heat water pump 540 inflow evaporators 551 with the mine water from the 522 new outputs of the second self-cleaning type strainer via the 3rd temperature control flow control valve 541, self heat is constantly offered the demineralized water in the condenser 552.And after the cyclic softening water (temperature is about 40 ℃) that loses heat sends into the condenser 552 of water source heat pump units 550 from the output of the second terminal heating equipment 572 via heat pump heat supply circulating water pump 560, continue to absorb the heat that the mine water in the evaporimeter 551 passes over, thereby continue to offer the second terminal heating equipment 572.Like this, mine water in the evaporimeter 551 constantly circulates at source heat pump heat water pump 540 and 551 in evaporimeter, transmit heat with the demineralized water in condenser 552, and the cyclic softening water in the condenser 552 constantly circulates at heat pump heat supply circulating water pump 560, condenser 552 and second 572 of the terminal heating equipments, obtain the heat that the mine water in the evaporimeter 551 provides and constantly provide, come together to guarantee that with the hot blast that provides with the first terminal heating equipment 571 EAT of well head 410 maintains more than 2 ℃ to the second terminal heating equipment 572.
In the actual motion, when the temperature of well head 410 is higher than 2 ℃, the 4th temperature control flow control valve 561 can be controlled fine setting automatically, increase bypass flow, i.e. the 4th upwards fine setting of temperature control flow control valve 561, increase the high temperature water that bypass is come out from condenser 552, and make high temperature water that this flow increases via the 4th temperature control flow control valve 561, heat pump heat supply circulating water pump 560 return condensed devices 552, thereby owing to enter the rising that the circulating backwater temperature of water source heat pump units 550 has trace, the control system of water source heat pump units 550 self can be automatically downwards trace adjust the heat supply heat, correspondingly, the power load of himself unit is also done trace adjustment downwards thereupon, meanwhile, the circulation water for heating flow of the second terminal heating equipment 572 has trace to descend owing to flow through, therefore, its heating load to heapstead 400 also has trace to descend thereupon, and the actual temperature of well head 410 also begins downward variation.As seen, this temperature control mode can accurately be controlled wellhead temperature, effectively saves power consumption.
In the reality, when outside air temperature is very low, all right first, second direct heating water pumps 531,532 of all stopping using, the operation platform number of increase water source heat pump units 550 is next, and (structure is answered corresponding the variation to first, second terminal heating equipment 571,572 heat supplies, here do not describe in detail), guarantee that by strengthening heat-supplying mode the EAT of well head 410 is more than 2 ℃.
The utility model has the advantages that:
1, the utility model mainly provides two kinds of heat supply in winter modes: first kind, in the winter time in most of periods of heating period, be that outside air temperature is not under the very low situation, the utility model can directly be supplied to end-equipment with the water at low temperature that mine water provides by the mode of first, second direct heating water pump direct heating, thereby makes the well head EAT in the heapstead remain on more than 2 ℃ of industry technology regulation; Second kind, when outside air temperature very low, first kind of heating system can not guarantee that the well head EAT is more than 2 ℃ the time, the utility model can come terminad equipment that the water of institute's calorific requirement is provided by combine with the water source heat pump units mode of heating of the first direct heating water pump, so that the well head EAT in the heapstead maintains more than 2 ℃.
Therefore, can see, heating duration by two kinds of heating systems of effective and reasonable arrangement, accurately control the mode of heating load, can make full use of the heat energy that mine water provides, effectively reduce the running time and the heating load of water source heat pump units, like this, the electric weight that heating is consumed can be lowered to minimum, has reduced the antifreeze heating operation expense of well head to greatest extent.
2, in the utility model, each mining firm can utilize existing mine water residual heat resources to solve the thermal source problem of the antifreeze heating of well head, this is a kind of novel energy utilization patterns (utilizations of geothermal energy resources), this energy utilization patterns have replaced the coal-burned industrial boiler that the antifreeze mode of traditional pithead is taked, the antifreeze heating system of the utility model well head is in operation and does not produce waste gas, waste water and waste residue, compare with traditional coal-burned industrial boiler heat-supplying mode, operating cost of the present utility model has reduced more than 50%, and it is higher to work as the mine water temperature, when the water yield is big, operating cost even can reduce more than 70%.The utility model is applicable to the mining firm that possesses mine water waste heat condition.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; under the situation that does not deviate from spirit and scope of the present utility model; any based on conspicuous changes such as the equivalent transformation on the technical solutions of the utility model basis, simple replacements, all belong within the utility model protection domain.
Claims (6)
1. antifreeze heating system of well head that utilizes the heat supply of mine water waste heat, it is characterized in that: it comprises mine water Buffer Pool, self-cleaning type strainer, mine water pump, sewage heat exchanger, the first direct heating water pump, the second direct heating water pump, the first terminal heating equipment and the second terminal heating equipment, wherein:
This mine water Buffer Pool is used to store and regulate the process purified treatment of discharging from mine or does not pass through the mine water of purified treatment; The input of the delivery port of this mine water Buffer Pool and this self-cleaning type strainer joins, the input of the output of this self-cleaning type strainer and many these mine water pumps joins, the input of the heated side of many these mine water delivery side of pumps and this sewage heat exchanger joins, the output of the heated side of this sewage heat exchanger divides two-way, one the tunnel joins with the mine water treating stations, another road joins via the input of one first temperature control flow control valve and many these mine water pumps, the output that is heated side of this sewage heat exchanger respectively with the input of the first direct heating water pump, the input of the second direct heating water pump joins, the output of this first direct heating water pump and the input of many first terminal heating equipments join, the input that is heated side of the output of these many first terminal heating equipments and this sewage heat exchanger joins, the output of this second direct heating water pump and the input of many second terminal heating equipments join, and the input that is heated side of the output of these many second terminal heating equipments and this sewage heat exchanger joins; This first terminal heating equipment and the second terminal heating equipment are arranged in the warm braw machine room of both sides, heapstead, the heating air outlet of this first terminal heating equipment and the heating air outlet of the second terminal heating equipment pass the wall of heapstead and place in the heapstead, so that the outdoor air of heating is sent into the heapstead.
2. the antifreeze heating system of well head as claimed in claim 1 is characterized in that: the antifreeze heating system of described well head also comprises source heat pump heat water pump, heat pump heat supply circulating water pump, water source heat pump units, wherein:
This water source heat pump units comprises evaporimeter and condenser; The output that is heated side of the input of this source heat pump heat water pump and described sewage heat exchanger joins, the input of the output of this source heat pump heat water pump and the evaporimeter of this water source heat pump units joins, the input that is heated side of the output of this evaporimeter and described sewage heat exchanger joins, the input of the output of the condenser of this water source heat pump units and described many second terminal heating equipments joins, the output of described many second terminal heating equipments joins via the input of the condenser of this heat pump heat supply circulating water pump and this water source heat pump units, between the input of the output of this condenser and this heat pump heat supply circulating water pump one second temperature control flow control valve is set; Between the input that is heated side of the output of described many second terminal heating equipments and described sewage heat exchanger, be provided with a shut-off valve.
3. the antifreeze heating system of well head as claimed in claim 1 is characterized in that: the described first terminal heating equipment and the second terminal heating equipment are the air-conditioning unit.
4. antifreeze heating system of well head that utilizes the heat supply of mine water waste heat, it is characterized in that: it comprises mine water Buffer Pool, the first self-cleaning type strainer, the first direct heating water pump, the second direct heating water pump, the first terminal heating equipment and the second terminal heating equipment, wherein:
This mine water Buffer Pool is used to store and regulate the mine water of the process purified treatment of discharging from mine; The input of the delivery port of this mine water Buffer Pool and this first self-cleaning type strainer joins, the output of this first self-cleaning type strainer respectively with the input of the first direct heating water pump, the input of the second direct heating water pump joins, the output of this first direct heating water pump and the input of many first terminal heating equipments join, the output of these many first terminal heating equipments divides two-way, one the tunnel joins with the mine water treating stations, another road joins via the input of the first temperature control flow control valve and this first direct heating water pump, the output of this second direct heating water pump and the input of many second terminal heating equipments join, the output of these many second terminal heating equipments divides two-way, one the tunnel joins with this mine water treating stations, and another road joins via the input of the second temperature control flow control valve and this second direct heating water pump; This first terminal heating equipment and the second terminal heating equipment are arranged in the warm braw machine room of both sides, heapstead, the heating air outlet of this first terminal heating equipment and the heating air outlet of the second terminal heating equipment pass the wall of heapstead and place in the heapstead, so that the outdoor air of heating is sent into the heapstead.
5. the antifreeze heating system of well head as claimed in claim 4 is characterized in that: the antifreeze heating system of described well head also comprises the second self-cleaning type strainer, source heat pump heat water pump, heat pump heat supply circulating water pump, water source heat pump units, wherein:
This water source heat pump units comprises evaporimeter and condenser; The input of this second self-cleaning type strainer and the delivery port of described mine water Buffer Pool join, the output of this second self-cleaning type strainer joins via the input of the evaporimeter of this source heat pump heat water pump and this water source heat pump units, the output of this evaporimeter divides two-way, one the tunnel joins with described mine water treating stations, another road joins via the input of the 3rd temperature control flow control valve and this source heat pump heat water pump, the input of the output of the condenser of this water source heat pump units and described many second terminal heating equipments joins, the output of described many second terminal heating equipments joins via the input of the condenser of this heat pump heat supply circulating water pump and this water source heat pump units, between the input of the output of this condenser and this heat pump heat supply circulating water pump one the 4th temperature control flow control valve is set; Between the input of the output of many second terminal heating equipments and the second temperature control flow control valve, be provided with a shut-off valve.
6. the antifreeze heating system of well head as claimed in claim 5 is characterized in that: the described first terminal heating equipment and the second terminal heating equipment are the air-conditioning unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009201081138U CN201460813U (en) | 2009-05-13 | 2009-05-13 | Wellhead anti-freezing heating system by using mine water residual heat to supply heat |
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| CN2009201081138U CN201460813U (en) | 2009-05-13 | 2009-05-13 | Wellhead anti-freezing heating system by using mine water residual heat to supply heat |
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| CN201460813U true CN201460813U (en) | 2010-05-12 |
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| CN2009201081138U Expired - Fee Related CN201460813U (en) | 2009-05-13 | 2009-05-13 | Wellhead anti-freezing heating system by using mine water residual heat to supply heat |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101893348A (en) * | 2010-07-30 | 2010-11-24 | 山东同方能源工程技术有限公司 | Heating and cooling system using swallet waste heat by industrial and mining enterprises |
| CN102747983A (en) * | 2012-07-23 | 2012-10-24 | 刘旭 | Constant temperature control technology for mining wellhead |
| CN104165037A (en) * | 2014-05-06 | 2014-11-26 | 陆骏 | Composite type heat supply and heat preservation system of drilling rig |
| CN104329760A (en) * | 2014-11-13 | 2015-02-04 | 中冶北方（大连）工程技术有限公司 | System and method for comprehensive utilization of ground heat of mine water drainage |
| CN104501456A (en) * | 2014-12-19 | 2015-04-08 | 兖矿集团有限公司 | Mine cooling and heat supply system |
| CN107288582A (en) * | 2017-08-10 | 2017-10-24 | 山东诺德能源科技有限公司 | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method |
| CN108194052A (en) * | 2017-12-14 | 2018-06-22 | 山东宜美科节能服务有限责任公司 | A kind of mine water residual heat direct heating system |
| CN108459642A (en) * | 2018-03-09 | 2018-08-28 | 浙江海莱芙电子科技有限公司 | A kind of antifreezing of underground mine heating intelligent air supply air system |
| CN108758778A (en) * | 2018-06-04 | 2018-11-06 | 中国矿业大学(北京) | The mining area heating system of multi-energy complementation |
| CN110344881A (en) * | 2019-08-01 | 2019-10-18 | 中煤科工(天津)清洁能源研究院有限公司 | A kind of equipment system utilized based on remaining hot water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101893348A (en) * | 2010-07-30 | 2010-11-24 | 山东同方能源工程技术有限公司 | Heating and cooling system using swallet waste heat by industrial and mining enterprises |
| CN102747983A (en) * | 2012-07-23 | 2012-10-24 | 刘旭 | Constant temperature control technology for mining wellhead |
| CN104165037A (en) * | 2014-05-06 | 2014-11-26 | 陆骏 | Composite type heat supply and heat preservation system of drilling rig |
| CN104329760A (en) * | 2014-11-13 | 2015-02-04 | 中冶北方（大连）工程技术有限公司 | System and method for comprehensive utilization of ground heat of mine water drainage |
| CN104501456A (en) * | 2014-12-19 | 2015-04-08 | 兖矿集团有限公司 | Mine cooling and heat supply system |
| CN104501456B (en) * | 2014-12-19 | 2017-06-09 | 兖矿集团有限公司 | A kind of mine cooling and heating system |
| CN107288582A (en) * | 2017-08-10 | 2017-10-24 | 山东诺德能源科技有限公司 | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method |
| CN108194052A (en) * | 2017-12-14 | 2018-06-22 | 山东宜美科节能服务有限责任公司 | A kind of mine water residual heat direct heating system |
| CN108459642A (en) * | 2018-03-09 | 2018-08-28 | 浙江海莱芙电子科技有限公司 | A kind of antifreezing of underground mine heating intelligent air supply air system |
| CN108758778A (en) * | 2018-06-04 | 2018-11-06 | 中国矿业大学(北京) | The mining area heating system of multi-energy complementation |
| CN108758778B (en) * | 2018-06-04 | 2021-04-27 | 中国矿业大学(北京) | Multi-energy complementary mine area heat supply system |
| CN110344881A (en) * | 2019-08-01 | 2019-10-18 | 中煤科工(天津)清洁能源研究院有限公司 | A kind of equipment system utilized based on remaining hot water |
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