CN212585042U - Heating system combining biomass vacuum hot water unit and water source heat pump - Google Patents
Heating system combining biomass vacuum hot water unit and water source heat pump Download PDFInfo
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- CN212585042U CN212585042U CN202021477809.0U CN202021477809U CN212585042U CN 212585042 U CN212585042 U CN 212585042U CN 202021477809 U CN202021477809 U CN 202021477809U CN 212585042 U CN212585042 U CN 212585042U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 238000010438 heat treatment Methods 0.000 title claims abstract description 60
- 239000002028 Biomass Substances 0.000 title claims description 32
- 239000004571 lime Substances 0.000 claims abstract description 145
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 144
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 144
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 22
- 230000023556 desulfurization Effects 0.000 claims abstract description 22
- 239000002002 slurry Substances 0.000 claims description 191
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 58
- 238000002156 mixing Methods 0.000 claims description 36
- 230000003009 desulfurizing effect Effects 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 239000002351 wastewater Substances 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003546 flue gas Substances 0.000 abstract description 11
- 235000019504 cigarettes Nutrition 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 230000008676 import Effects 0.000 abstract description 2
- 235000010269 sulphur dioxide Nutrition 0.000 description 27
- 239000007789 gas Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 239000004575 stone Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 206010014561 Emphysema Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 206010006451 bronchitis Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 125000001741 organic sulfur group Chemical group 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
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- 239000004291 sulphur dioxide Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a heating system that living beings vacuum hot water unit and water resource heat pump are united, include the heating return circuit of constituteing by living beings vacuum hot water unit, water resource heat pump, heating hot water circulating pump and heating terminal, the exhaust port of living beings vacuum hot water unit has connect desulphurization unit, and desulphurization unit's export is connected with the flue gas import of cigarette water heat exchanger, and the export of cigarette water heat exchanger meets with the water resource heat pump through heat pump heat source side circulating water pump, and desulphurization unit includes the thick liquids allotment jar, and the thick liquids allotment jar has high lime thick liquids inlet pipe and low lime thick liquids inlet pipe. The utility model has the advantages of simple structure and reasonable design, adopt living beings vacuum hot water unit and water source heat pump to carry out the combined heating to adopt the cigarette water heat exchanger to preheat recycle, the thick liquids allotment jar has high lime thick liquids inlet pipe and low lime thick liquids inlet pipe, plays the effect of the concentration of balanced lime thick liquids, makes the desulfurization efficiency reaction keep ideal effect, excellent in use effect.
Description
Technical Field
The utility model belongs to the technical field of hot water central heating system, concretely relates to heating system that living beings vacuum hot water unit and water source heat pump are united.
Background
Energy and environmental problems have become the focus of general attention in the world, and the development and utilization of renewable energy resources with environmental protection and economy become important components of energy development strategies of all countries. Biomass refers to various organisms produced by photosynthesis using the atmosphere, water, land, and the like; the energy source has the characteristics of being renewable, storable, low in pollution and the like. The biomass vacuum hot water unit takes biomass or organic garbage as fuel, the combustion efficiency can reach 94 percent, and the biomass vacuum hot water unit is widely applied to the fields of heating and process heating.
The water source heat pump is a low-grade heat energy resource formed by utilizing water sources on the shallow layer of the earth surface, such as solar energy and geothermal energy absorbed in underground water, rivers and lakes, and the heat pump principle is utilized to raise the temperature by taking air or water as secondary refrigerant and then send the secondary refrigerant into a building. The water source heat pump overcomes the defect that the outdoor heat exchanger of the air source heat pump frosts in winter, has high operation reliability and heating efficiency, and is widely applied in China in recent years.
But have following problem in the system that utilizes two kinds of equipment heating, firstly the flue gas of living beings vacuum hot water unit directly discharges to the atmosphere after purifying, has wasted this part heat, consequently adopts the flue-water heat exchanger to preheat this part heat and recycles, but organic sulfur burning produces sulfur dioxide and a small amount of sulfur trioxide in the fuel, because sulfur dioxide and sulfur trioxide are very serious to the harm of human body. The sulfur dioxide reacts with water to generate sulfurous acid, the sulfurous acid is a weak electrolyte and has volatility, the sulfurous acid can be decomposed into the sulfur dioxide and water, and when hot water with the sulfur dioxide passes through the outlet of the smoke-water heat exchanger and enters heating, mucous membranes are easily stimulated to cause respiratory diseases, such as bronchitis, emphysema, lung cancer and the like, and even die; moreover, the inherent technical problem of the water source heat pump system is greatly limited by water quality, regions and even water use policies.
Therefore, a heating system which can combine the biomass vacuum hot water unit and the water source heat pump and is safe and efficient is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, provide one kind, its simple structure, reasonable in design adopt living beings vacuum hot water unit and water source heat pump to carry out the combined heating, and adopt cigarette water heat exchanger to preheat recycle, the thick liquids allotment jar has high lime thick liquids inlet pipe and low lime thick liquids inlet pipe, plays the effect of the concentration of balanced lime thick liquids, makes the desulfurization efficiency reaction keep ideal effect, excellent in use effect.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a heating system that living beings vacuum hot water unit and water source heat pump are united which characterized in that: comprises a heating loop consisting of a biomass vacuum hot water unit, a water source heat pump, a heating hot water circulating pump and a heating terminal, wherein the smoke outlet of the biomass vacuum hot water unit is connected with a desulphurization device, the outlet of the desulphurization device is connected with the smoke inlet of a smoke-water heat exchanger, the outlet of the smoke-water heat exchanger is connected with the water source heat pump through a heat source side circulating water pump of the heat pump,
the desulfurization device comprises a slurry mixing tank, a desulfurization tower and a slurry conveying pipe for connecting the slurry mixing tank and the desulfurization tower, wherein a slurry conveying valve is arranged on the slurry conveying pipe, the slurry mixing tank is provided with a high lime slurry feeding pipe and a low lime slurry feeding pipe, a high lime slurry valve is arranged on the high lime slurry feeding pipe, a low lime slurry valve is arranged on the low lime slurry feeding pipe, and the desulfurization tower is provided with an air inlet and an air outlet.
The heating system combining the biomass vacuum hot water unit and the water source heat pump is characterized in that: the device is characterized by further comprising a PLC, wherein the input end of the PLC is connected with a PH detection sensor for detecting the PH value of lime slurry in the slurry blending tank, a sulfur dioxide sensor for detecting the concentration of sulfur dioxide gas at a gas port and a parameter input module, and the output end of the PLC is connected with a slurry conveying valve, a high lime slurry valve and a low lime slurry valve.
The heating system combining the biomass vacuum hot water unit and the water source heat pump is characterized in that: the PLC controller comprises a CPU unit and a first clock module, a second clock module, a third clock module and a fourth clock module which are connected with the CPU unit.
The heating system combining the biomass vacuum hot water unit and the water source heat pump is characterized in that: and a lime slurry stirring mechanism is arranged in the slurry mixing tank and is connected with the output end of the PLC.
The heating system combining the biomass vacuum hot water unit and the water source heat pump is characterized in that: the input of PLC controller has still connect the thick liquids jar liquid level detector that is used for detecting the thick liquids of thick liquids allotment jar lime thick liquids liquid level value and is used for detecting the desulfurizing tower liquid level detector of waste water liquid level in the desulfurizing tower, the output of PLC controller has still connect communication module, communication module has connect the terminal.
The heating system combining the biomass vacuum hot water unit and the water source heat pump is characterized in that: the communication module comprises one or more of an RS485 communication module, a CAN communication module, a GSM transceiver module and/or a wireless communication module.
The heating system combining the biomass vacuum hot water unit and the water source heat pump is characterized in that: the smoke-water heat exchanger is connected with a smoke purifying device.
The heating system combining the biomass vacuum hot water unit and the water source heat pump is characterized in that: and a water replenishing valve and an expansion tank are arranged in the heating loop.
Compared with the prior art, the utility model has the following advantage:
1. the utility model has the advantages of simple structure and reasonable design, realize and use convenient operation.
2. The utility model discloses a living beings vacuum hot water unit and water source heat pump carry out the combined heating to adopt the cigarette water heat exchanger to preheat recycle, the heat source side of water source heat pump no longer uses groundwater, but uses the water after the cigarette water heat exchanger heat transfer, has solved the restriction problem of water source heat pump to water source, region, policy etc. environmental protection facilitate promotion more.
3. The utility model discloses set up the thick liquids and allocate the jar, the thick liquids allocation jar has high lime slurry inlet pipe and low lime slurry inlet pipe, plays the effect of the concentration of balanced lime slurry material for desulfurization efficiency reaction keeps ideal effect, ensures gypsum purity simultaneously, excellent in use effect.
4. The utility model discloses be provided with the PH that is used for detecting the stone ash thick liquids PH value in the thick liquids allotment jar and detect out the sulfur dioxide sensor of gas port sulfur dioxide gas concentration to stone ash thick liquids PH value and gas outlet sulfur dioxide gas concentration in the thick liquids allotment jar are as the dual standard of the concentration regulation of stone ash thick liquids, and it is effectual to adjust.
To sum up, the utility model has the advantages of simple structure and reasonable design, adopt living beings vacuum hot water unit and water source heat pump to carry out the combined heating to adopt the cigarette water heat exchanger to preheat recycle, the thick liquids allotment jar has high lime thick liquids inlet pipe and low lime thick liquids inlet pipe, plays the effect of the concentration of balanced lime thick liquids, makes the desulfurization efficiency reaction keep ideal effect, excellent in use effect.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the desulfurization device of the present invention.
Fig. 3 is a schematic block diagram of the circuit of the present invention.
Description of reference numerals:
1-biomass vacuum hot water unit; 2-water source heat pump; 3, heating terminal;
4-heating hot water circulating pump; 5, an expansion tank; 6-water supplement valve;
7-a desulfurization unit; 8-flue gas-water heat exchanger; 9-heat pump heat source side circulating water pump;
10-a flue gas purification device; 11-a PLC controller; 12-a PH detection sensor;
13-a sulphur dioxide sensor; 14-parameter input module; 15-slurry tank liquid level detector;
16-a desulfurizing tower liquid level detector; 17-a communication module; 18-a terminal;
7-1-slurry blending tank; 7-2-a desulfurizing tower; 7-3-slurry delivery valve;
7-4-high lime slurry valve; 7-5-low lime slurry valve; 7-6-lime slurry stirring mechanism;
111 — a first clock module; 112-a second clock module; 113-a third clock module;
114-a fourth clock module; 115-CPU unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 3, the utility model discloses a heating return circuit of constituteing by living beings vacuum hot water unit 1, water source heat pump 2, heating hot water circulating pump 4 and heating terminal 3, the exhaust port of living beings vacuum hot water unit 1 has connect desulphurization unit 7, and the export of desulphurization unit 7 is connected with the flue gas import of cigarette water heat exchanger 8, and the export of cigarette water heat exchanger 8 meets with water source heat pump 2 through heat pump heat source side circulating water pump 9.
In this embodiment, the biomass vacuum hot water unit 1 is composed of a plurality of biomass vacuum hot water boilers. The biomass vacuum hot water unit 1 obtains heating hot water by burning biomass, the heating hot water flows into the water source heat pump 2 for temperature raising, then the heating hot water flows into the heating terminal 3 to enter a heating building, and the heating terminal 3 is a ground heating pipeline or a heating radiator. The heating backwater passes through the heating hot water circulating pump 4 and then returns to the biomass vacuum hot water unit 1, and the water circulation of the heating hot water is completed.
Flue gas discharged by the biomass vacuum hot water unit 1 enters a desulfurization device 7, the flue gas subjected to desulfurization enters a flue gas-water heat exchanger 8, heat in the flue gas is exchanged into cold water by the flue gas-water heat exchanger 8, and the flue gas is purified by a flue gas purification device 10 and then discharged into the atmosphere to complete flue gas circulation. The cold water which obtains heat enters the water source heat pump 2 through the heat pump heat source side circulating water pump 9 to provide a hot water source for the water source heat pump 2, the water source heat pump 2 does not pass through underground water or terrestrial heat, but passes through the water after heat exchange of the smoke water heat exchanger 8, and the using effect is good.
The desulfurization device 7 comprises a slurry mixing tank 7-1, a desulfurization tower 7-2 and a slurry conveying pipe for connecting the slurry mixing tank 7-1 and the desulfurization tower 7-2, wherein a slurry conveying valve 7-3 is arranged on the slurry conveying pipe, the slurry mixing tank 7-1 is provided with a high lime slurry feeding pipe and a low lime slurry feeding pipe, a high lime slurry valve 7-4 is arranged on the high lime slurry feeding pipe, a low lime slurry valve 7-5 is arranged on the low lime slurry feeding pipe, and the desulfurization tower 7-2 is provided with an air inlet 7-7 and an air outlet 7-8.
During specific implementation, when the concentration of lime slurry in the desulfurizing tower 7-2 is large, the absorption efficiency of sulfur dioxide is higher, but when the concentration of the lime slurry is too large, the utilization rate of the lime slurry is easy to cause, and because the lime slurry is balanced in concentration, the slurry mixing tank 7-1 is arranged, and the slurry mixing tank 7-1 is provided with a high lime slurry feeding pipe and a low lime slurry feeding pipe. When the concentration of the lime slurry in the desulfurizing tower 7-2 is too low, opening a high lime slurry valve 7-4, and increasing the feeding of the lime slurry, so that the concentration of the lime slurry in the slurry blending tank 7-1 is increased; when the concentration of the lime slurry in the desulfurizing tower 7-2 is too high, the low lime slurry valve 7-5 is opened, and the feeding of the low lime slurry is increased, so that the concentration of the lime slurry in the slurry blending tank 7-1 is reduced, the desulfurizing efficiency reaction is kept to an ideal effect, the gypsum purity is ensured, and the using effect is good.
It should be noted that high lime slurry refers to slurry with high content of calcium oxide, and low lime slurry refers to slurry with low content of calcium oxide, specifically, high lime slurry refers to slurry with content of calcium oxide higher than 70%, and high lime slurry refers to slurry with content of calcium oxide between 60% and 70%.
In the embodiment, the system further comprises a PLC (programmable logic controller) 11, wherein the input end of the PLC 11 is connected with a PH detection sensor 12 for detecting the PH value of the lime slurry in the slurry mixing tank 7-1, a sulfur dioxide sensor 13 for detecting the concentration of sulfur dioxide gas in the gas port 7-8 and a parameter input module 14, and the output end of the PLC 11 is connected with the slurry conveying valve 7-3, the high lime slurry valve 7-4 and the low lime slurry valve 7-5.
During the concrete implementation, for the concentration of lime thick liquids in more accurate regulation desulfurizing tower 7-2, ensure desulfurization effect, this application is provided with PH detection sensor 12 that is used for detecting lime thick liquids pH value in thick liquids allotment jar 7-1 and is used for detecting the sulfur dioxide sensor 13 of gas port 7-8 sulfur dioxide gas concentration to lime thick liquids pH value and gas port 7-8 sulfur dioxide gas concentration in thick liquids allotment jar 7-1 are as dual regulation standard.
A lime slurry PH set threshold and a sulfur dioxide gas concentration set value are input through the parameter input module 14, and the lime slurry PH set threshold comprises a lime slurry PH minimum set value and a lime slurry PH maximum set value. In practical use, the minimum set value of the pH value of the lime slurry is 5.0, and the maximum set value of the pH value of the lime slurry is 5.8. The slurry delivery valve 7-3, the high lime slurry valve 7-4 and the low lime slurry valve 7-5 are all electromagnetic valves.
The PH detection sensor 12 is used for detecting the PH value of the lime slurry in the slurry mixing tank 7-1 and transmitting the detected PH value of the lime slurry to the PLC 11, the PLC 11 receives the PH value of the lime slurry and compares the PH value of the lime slurry with a set threshold value of the PH value of the lime slurry input through the parameter input module 14, if the PH value of the lime slurry is greater than the maximum set value of the PH value of the lime slurry, the PLC 11 sends a pulse signal to the low lime slurry valve 7-5, the low lime slurry valve 7-5 is opened, the low lime slurry enters the slurry mixing tank 7-1 so as to reduce the concentration of the lime slurry in the slurry mixing tank 7-1, the slurry mixing tank 7-1 is communicated with the desulfurizing tower 7-2, the lime slurry in the slurry mixing tank 7-1 enters the desulfurizing tower 7-2 through a slurry conveying pipe, the function of adjusting the concentration of the lime slurry in the desulfurizing tower 7-2 is achieved. If the PH detection value of the lime slurry is smaller than the minimum PH set value of the lime slurry, the PLC 11 sends a pulse signal to the high lime slurry valve 7-4, the high lime slurry valve 7-4 is opened, the high lime slurry enters the slurry mixing tank 7-1, so that the concentration of the lime slurry in the slurry mixing tank 7-1 is improved, the slurry mixing tank 7-1 is communicated with the desulfurizing tower 7-2, and the lime slurry in the slurry mixing tank 7-1 enters the desulfurizing tower 7-2 through the slurry conveying pipe, so that the effect of adjusting the concentration of the lime slurry in the desulfurizing tower 7-2 is achieved.
The sulfur dioxide sensor 13 is used for detecting the concentration value of the sulfur dioxide gas at the gas outlet 7-8 of the desulfurizing tower 7-2, and transmitting the detected concentration value of the sulfur dioxide gas to the PLC controller 11, the PLC controller 11 receives the detection value of the sulfur dioxide gas concentration, compares the detection value of the sulfur dioxide gas concentration with the set value of the sulfur dioxide gas concentration input through the parameter input module 14, if the detection value of the sulfur dioxide gas concentration is greater than the set value of the sulfur dioxide gas concentration, the desulfurization effect of the lime slurry in the desulfurizing tower 7-2 is not ideal, at the moment, the PLC controller 11 sends a pulse signal to the high lime slurry valve 7-4 or the low lime slurry valve 7-5, the high lime slurry or the low lime slurry enters the slurry blending tank 7-1, so as to adjust the lime slurry concentration in the slurry blending tank 7-1, the slurry mixing tank 7-1 is communicated with the desulfurizing tower 7-2, and lime slurry in the slurry mixing tank 7-1 enters the desulfurizing tower 7-2 through a slurry conveying pipe to play a role in adjusting the concentration of the lime slurry in the desulfurizing tower 7-2.
In this embodiment, the PLC controller 11 includes a CPU unit 115 and a first clock module 111, a second clock module 112, a third clock module 113, and a fourth clock module 114 connected thereto. A lime slurry stirring mechanism 7-6 is arranged in the slurry mixing tank 7-1, and the lime slurry stirring mechanism 7-6 is connected with the output end of the PLC 11.
In specific implementation, when the PH detection value of the lime slurry is smaller than the minimum PH setting value of the lime slurry, the CPU unit 115 simultaneously sends a high pulse signal to the high lime slurry valve 7-4, the lime slurry stirring mechanism 7-6, the lime slurry outlet valve 7-3, the first clock module 111, the third clock module 113, and the fourth clock module 114, the high lime slurry valve 7-4 is opened, the lime slurry stirring mechanism 7-6 starts to operate, the lime slurry outlet valve 7-3 is opened, and the first clock module 111, the third clock module 113, and the fourth clock module 114 simultaneously count time. When the timing duration of the first clock module 111 reaches the first set duration through the parameter input module 14, the CPU unit 115 sends a low pulse signal to the high lime slurry valve 7-4, and the high lime slurry valve 7-4 is closed; when the timing duration of the third clock module 113 reaches a third set duration passing through the parameter input module 14, the CPU unit 115 sends a low pulse signal to the lime slurry stirring mechanism 7-6, and the lime slurry stirring mechanism 7-6 stops working; when the timing duration of the fourth clock module 114 reaches the fourth set duration through the parameter input module 14, the CPU unit 115 sends a low pulse signal to the lime slurry outlet valve 7-3 and the lime slurry outlet valve 7-3 is closed, thereby completing an automatic adjustment cycle.
When the pH value of the lime slurry is greater than the maximum pH value of the lime slurry, the CPU 115 sends high pulse signals to the low lime slurry valve 7-5, the lime slurry stirring mechanism 7-6, the lime slurry outlet valve 7-3, the second clock module 112, the third clock module 113 and the fourth clock module 114 at the same time, the low lime slurry valve 7-5 is opened, the lime slurry stirring mechanism 7-6 starts to work, the lime slurry outlet valve 7-3 is opened, and the second clock module 112, the third clock module 113 and the fourth clock module 114 count time at the same time. When the timing duration of the second clock module 112 reaches a second set duration through the parameter input module 14, the CPU unit 115 sends a low pulse signal to the low lime slurry valve 7-5, and the low lime slurry valve 7-5 is closed; when the timing duration of the third clock module 113 reaches a third set duration passing through the parameter input module 14, the CPU unit 115 sends a low pulse signal to the lime slurry stirring mechanism 7-6, and the lime slurry stirring mechanism 7-6 stops working; when the timing duration of the fourth clock module 114 reaches the fourth set duration through the parameter input module 14, the CPU unit 115 sends a low pulse signal to the lime slurry outlet valve 7-3 and the lime slurry outlet valve 7-3 is closed, thereby completing an automatic adjustment cycle.
In this embodiment, the input end of the PLC controller 11 is further connected with a slurry tank liquid level detector 15 for detecting a level value of lime slurry in the slurry blending tank 7-1 and a desulfurizing tower liquid level detector 16 for detecting a liquid level of wastewater in the desulfurizing tower 7-2, the output end of the PLC controller 11 is further connected with a communication module 17, and the communication module 17 is connected with a terminal 18.
During specific implementation, slurry tank liquid level detector 15 is used for detecting lime slurry liquid level value in slurry blending tank 7-1, and give PLC controller 11 with lime slurry liquid level detected value that detects, PLC controller 11 receives lime slurry liquid level detected value, and compare lime slurry liquid level detected value and the lime slurry liquid level set value of inputing through parameter input module 14, if lime slurry liquid level detected value is greater than lime slurry liquid level set value, PLC controller 11 transmits alarm information for terminal 18 through communication module 17, remind the staff in time to handle.
Desulfurizing tower liquid level detector 16 is used for detecting waste water liquid level value in desulfurizing tower 7-2 to give PLC controller 11 with the waste water liquid level detected value that detects, PLC controller 11 receives waste water liquid level detected value, and compare waste water liquid level detected value and the waste water liquid level set value of inputing through parameter input module 14, if waste water liquid level detected value is greater than waste water liquid level set value, PLC controller 11 gives terminal 18 with alarm information transmission through communication module 17, remind the staff in time to handle.
It should be noted that, the utility model discloses in, desulfurizing tower liquid level detector 16, thick liquids jar liquid level detector 15, PH detection sensor 12, sulfur dioxide sensor 13 are prior art equipment, can directly purchase and be connected the use with PLC controller 11.
In this embodiment, the communication module 17 includes one or more of an RS485 communication module, a CAN communication module, a GSM transceiver module, and/or a wireless communication module. It should be noted that the terminal 18 is a desktop computer, a notebook computer, a tablet computer and/or a mobile phone.
In this embodiment, the flue gas-water heat exchanger 8 is connected with a flue gas purification device 10.
In this embodiment, the heating circuit is provided with a water supply valve 6 and an expansion tank 5. The water replenishing valve 6 replenishes water for the heating loop, and the expansion tank 5 plays a role in balancing water quantity and pressure.
Wherein those matters not described in detail in the specification are prior art known to those skilled in the art. The aforesaid, only be the embodiment of the utility model discloses an it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (8)
1. The utility model provides a heating system that living beings vacuum hot water unit and water source heat pump are united which characterized in that: comprises a heating loop consisting of a biomass vacuum hot water unit (1), a water source heat pump (2), a heating hot water circulating pump (4) and a heating terminal (3), wherein a smoke outlet of the biomass vacuum hot water unit (1) is connected with a desulphurization device (7), an outlet of the desulphurization device (7) is connected with a smoke inlet of a smoke-water heat exchanger (8), an outlet of the smoke-water heat exchanger (8) is connected with the water source heat pump (2) through a heat source side circulating water pump (9) of the heat pump,
the desulfurization device (7) comprises a slurry mixing tank (7-1), a desulfurization tower (7-2) and a slurry conveying pipe for connecting the slurry mixing tank (7-1) and the desulfurization tower (7-2), wherein a slurry conveying valve (7-3) is arranged on the slurry conveying pipe, the slurry mixing tank (7-1) is provided with a high lime slurry feeding pipe and a low lime slurry feeding pipe, the high lime slurry feeding pipe is provided with a high lime slurry valve (7-4), the low lime slurry feeding pipe is provided with a low lime slurry valve (7-5), and the desulfurization tower (7-2) is provided with an air inlet (7-7) and an air outlet (7-8).
2. The heating system combining the biomass vacuum hot water unit and the water source heat pump as claimed in claim 1, wherein: the system is characterized by further comprising a PLC (programmable logic controller) (11), wherein the input end of the PLC (11) is connected with a PH detection sensor (12) for detecting the PH value of lime slurry in the slurry mixing tank (7-1), a sulfur dioxide sensor (13) for detecting the concentration of sulfur dioxide gas at the gas outlet (7-8) and a parameter input module (14), and the output end of the PLC (11) is connected with a slurry conveying valve (7-3), a high lime slurry valve (7-4) and a low lime slurry valve (7-5).
3. The heating system combining the biomass vacuum hot water unit and the water source heat pump as claimed in claim 2, wherein: the PLC controller (11) comprises a CPU unit (115) and a first clock module (111), a second clock module (112), a third clock module (113) and a fourth clock module (114) which are connected with the CPU unit.
4. The heating system combining the biomass vacuum hot water unit and the water source heat pump as claimed in claim 2 or 3, wherein: and a lime slurry stirring mechanism (7-6) is arranged in the slurry mixing tank (7-1), and the lime slurry stirring mechanism (7-6) is connected with the output end of the PLC (11).
5. The heating system combining the biomass vacuum hot water unit and the water source heat pump as claimed in claim 2, wherein: the input end of the PLC (11) is further connected with a slurry tank liquid level detector (15) used for detecting a liquid level value of lime slurry in the slurry mixing tank (7-1) and a desulfurizing tower liquid level detector (16) used for detecting a liquid level of wastewater in the desulfurizing tower (7-2), the output end of the PLC (11) is further connected with a communication module (17), and the communication module (17) is connected with a terminal (18).
6. The heating system combining the biomass vacuum hot water unit and the water source heat pump as claimed in claim 5, wherein: the communication module (17) comprises one or more of an RS485 communication module, a CAN communication module, a GSM transceiver module and/or a wireless communication module.
7. The heating system combining the biomass vacuum hot water unit and the water source heat pump as claimed in claim 1, wherein: the smoke-water heat exchanger (8) is connected with a smoke purifying device (10).
8. The heating system combining the biomass vacuum hot water unit and the water source heat pump as claimed in claim 1, wherein: and a water replenishing valve (6) and an expansion tank (5) are arranged in the heating loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477809.0U CN212585042U (en) | 2020-07-23 | 2020-07-23 | Heating system combining biomass vacuum hot water unit and water source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477809.0U CN212585042U (en) | 2020-07-23 | 2020-07-23 | Heating system combining biomass vacuum hot water unit and water source heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212585042U true CN212585042U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021477809.0U Expired - Fee Related CN212585042U (en) | 2020-07-23 | 2020-07-23 | Heating system combining biomass vacuum hot water unit and water source heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212585042U (en) |
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2020
- 2020-07-23 CN CN202021477809.0U patent/CN212585042U/en not_active Expired - Fee Related
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