CN204388427U - Sewage source heat pump system - Google Patents
Sewage source heat pump system Download PDFInfo
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- CN204388427U CN204388427U CN201520012162.7U CN201520012162U CN204388427U CN 204388427 U CN204388427 U CN 204388427U CN 201520012162 U CN201520012162 U CN 201520012162U CN 204388427 U CN204388427 U CN 204388427U
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- sewage
- heat pump
- source heat
- sewage source
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Abstract
The utility model provides a kind of sewage source heat pump system, and it comprises sewage transport system and air conditioner water circulating system, and air conditioner water circulating system connects sewage transport system; Sewage transport system connects sewage second-level biochemical treatment system; Wherein, sewage transport system comprises the cesspool, sewage source heat pump unit and the discharge bay that are connected successively by water pipe, cesspool comprises the dechlorination pond and the former pond of heat pump that are connected, and dechlorination process can be carried out to sewage in this dechlorination pond, prevents the corrosion in water metallic conduit containing chlorine residue and equipment; In addition, sewage transport system also comprises and is arranged on sewage transport water pump in Sewage Disposal and sewage source heat pump unit, makes the equipment that may carry germ be in zone of control; In addition, sewage source heat pump unit adopts four-way valve refrigerant side to switch, and avoids when adopting water side to switch and easily causes proliferation of germs to the danger of end-equipment.Therefore, the sewage source heat pump system that the utility model provides is safe and reliable, has good economic benefit and social benefit.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of sewage source heat pump system.
Background technology
The places such as big-and-middle-sized hospital are generally equipped with sewage second-level biochemical treatment system, and its water outlet is through precipitation and biochemical treatment, and water quality is disposed to city planting ductwork after reaching sewage treatment plant's secondary Effluent criteria.After treatment, annual water temperature, between 13 ~ 32 DEG C, is a kind ofly contain the renewable heat resource enriching Lowlevel thermal energy to sewage.
But; in the sewage second-level biochemical treatment system of routine, these are vented directly to municipal drainage pipeline with the sewage of amount of heat usually, cause a large amount of losses of energy; how to make full use of the energy contained in sewage effluent, energy-saving and emission-reduction, protection of the environment are significant.In addition, the sewage that sewage source heat pump system can utilize water quality poor carries out Winter heat supply, summer cooling and annual supply domestic hot-water as thermal source, has heat stable output, unit performance high.If employing sewage source heat pump technology fully can reclaim the energy in sewage effluent, reduce operating cost, thus there is good economic benefit.
At present, utilize heat pump principle, the sewage of discharging using places such as big-and-middle-sized hospitals is as Cooling and Heat Source, the heat extracted wherein carries out Winter heat supply, summer cooling and annual supply domestic hot-water and realizes principle and the method for sewage Waste Heat Recovery, although the heat in sewage effluent more effectively can be reclaimed, but the sewage of discharge is containing chlorine residue and carry germ, if directly use can cause the corrosion to metallic conduit and equipment, and easily causes proliferation of germs to affect the health of user to the danger of end-equipment.
Thus, for making full use of the energy contained in sewage effluent, equipment and user are impacted containing chlorine residue and the sewage that carries germ for avoiding simultaneously, in the urgent need to proposing a kind of sewage source heat pump system, so that while making full use of the energy contained in sewage effluent, can prevent the sewage containing chlorine residue from causing metallic conduit and equipment and corrode and cut off the approach of proliferation of germs to end-equipment danger.
Utility model content
The purpose of this utility model is to provide a kind of sewage source heat pump system, so that while making full use of the energy contained in sewage effluent, can prevent the sewage containing chlorine residue from causing corrosion to metallic conduit and equipment, and cut off the approach of proliferation of germs to end-equipment danger, improve the safety and stability of sewage source heat pump system.
For solving the problems of the technologies described above, the utility model provides a kind of sewage source heat pump system, it comprises sewage transport system and air conditioner water circulating system, and described air conditioner water circulating system connects described sewage transport system, and described sewage transport system connects sewage second-level biochemical treatment system; Wherein, described sewage transport system comprises the cesspool, sewage source heat pump unit and the discharge bay that are connected successively by water pipe; Described cesspool comprises the dechlorination pond and the former pond of heat pump that are connected; Described sewage source heat pump units' installation is in Sewage Disposal.
Further, also comprise the sewage transport water pump be arranged on described water pipe, described sewage transport water pump is arranged in Sewage Disposal.
Further, described sewage source heat pump unit is four-way valve refrigerant side switch type sewage source heat pump unit.
Further, described sewage source heat pump unit comprises the compressor, four-way change-over valve, condenser, throttling arrangement and the evaporimeter that connect successively.
Further, also comprise the first dividing wall be arranged between described dechlorination pond and the former pond of described heat pump, bottom described first dividing wall, certain altitude place is provided with low level connected entrance, and described dechlorination pond is communicated with by described low level connected entrance with the former pond of described heat pump.
Further, also comprise the second dividing wall be arranged between the former pond of described heat pump and described discharge bay, the top of described second dividing wall is provided with high-order overfall, and the former pond of described heat pump is communicated with by described high-order overfall with described discharge bay.
Further, also comprise the low level delivery port being arranged at certain altitude place bottom the side wall of described heat pump former pond, described low level delivery port connects described water pipe.
Further, also comprise the high-order water inlet being arranged at described discharge bay side wall top, described high-order water inlet connects described water pipe.
Further, described air conditioner water circulating system comprises the Air-conditioning Cycle water pump and end-equipment that are connected by air-conditioning duct, and described end-equipment is air-conditioning equipment, or domestic hot-water's pre-heating heat-exchanging equipment, or heating equipment.
Further, also comprise and be arranged at filter on described water pipe and valve.
In sum, a kind of sewage source heat pump system that the utility model provides, the beneficial effect had is: in order to prevent the corrosion in water metallic conduit and the equipment that contain chlorine residue, described sewage transport Operation system setting has dechlorination pond, improves the reliability of described sewage source heat pump system; In addition, described sewage source heat pump unit adopts four-way valve refrigerant side to switch, avoiding when adopting water side to switch easily causes proliferation of germs to the approach of end-equipment danger, in addition, described sewage source heat pump unit and sewage transport water pump are installed in Sewage Disposal, the described sewage source heat pump unit and the sewage transport water pump that make to carry germ are in zone of control, guarantee the security of described sewage source heat pump system.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of sewage source heat pump system in the utility model embodiment;
Fig. 2 is the refrigerating circuit structure principle chart of sewage source heat pump unit in the utility model embodiment;
Fig. 3 is the heat supplying loop structure principle chart of sewage source heat pump unit in the utility model embodiment.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is embodiment of the present utility model.As shown in Figure 1, described sewage source heat pump system comprises sewage transport system and air conditioner water circulating system, and described air conditioner water circulating system connects described sewage transport system, and described sewage transport system connects sewage second-level biochemical treatment system; Wherein, described sewage transport system comprises the cesspool 102, sewage source heat pump unit 103 and the discharge bay 104 that are connected successively by water pipe 101, described cesspool 102 comprises the dechlorination pond 102-1 and the former pond 102-2 of heat pump that are connected, it is connected with sewage second-level biochemical treatment system, make the sewage after the process of sewage second-level biochemical treatment system through the 102-1 dechlorination process of dechlorination pond, prevent the corrosion in water metallic conduit containing chlorine residue and equipment; Further, described sewage source heat pump unit 103 is arranged in Sewage Disposal, makes the sewage source heat pump unit 103 that may carry germ be in zone of control, guarantees the security of sewage source heat pump system.
In the present embodiment, in order to prevent the impurity blocking relevant device in sewage, described sewage transport system also comprises the filter 105 be arranged on water pipe 101, and for the valve V1 that cuts off or connect water pipe 101 and valve V2.Herein, the utility model is the quantity of limiting filter device 105 and installation site not, but conveniently installs, cleans and change, and filter 105 can be arranged at the import department of sewage source heat pump unit 103, to save extra maintenance cost.
Wherein, in order to the discharge pressure of lifting sewage, described sewage source heat pump system also comprises the sewage transport water pump 106 be arranged on water pipe 101, and described sewage transport water pump 106 is arranged in Sewage Disposal, the sewage transport water pump 106 that may carry germ is made to be in zone of control, the security of lifting sewage source heat pump system use further.Certainly, the utility model does not limit the installation site of sewage transport water pump 106 and sewage source heat pump unit 103, can make accommodation as required.
Continue with reference to figure 1, described sewage source heat pump system also comprises the first dividing wall 107 be arranged between dechlorination pond 102-1 and the former pond 102-2 of heat pump, bottom described first dividing wall 107, certain altitude place is provided with low level connected entrance 108, thus, described dechlorination pond 102-1 is communicated with by low level connected entrance 108 with the former pond 102-2 of heat pump, like this, do not need to arrange extra sewage conduct, just sewage can be entered the former pond 102-2 of heat pump, save material, in addition, described low level connected entrance 108 is arranged at certain altitude place bottom the first dividing wall 107, the impurity blocking low level connected entrance 108 being deposited on basin bottom can be avoided.Further, described sewage source heat pump system also comprises the low level delivery port 109 being arranged at certain altitude place bottom the 102-2 side wall of heat pump former pond, described low level delivery port 109 connecting water pipe 101, be convenient to the sewage that sewage transport water pump 106 extracts low water level in the former pond 102-2 of heat pump, without the need to equipment such as installing submersible pumps, decrease parts configuration, reduce use cost, and eliminate be deposited on basin bottom impurity on the impact of low level delivery port 109.
In the present embodiment, in order to prevent the sewage overflows contaminated environment in the former pond 102-2 of heat pump, described sewage source heat pump system also comprises the second dividing wall 110 be arranged between described heat pump former pond 102-2 and described discharge bay 104, the top of described second dividing wall 110 is provided with high-order overfall 111, described heat pump former pond 102-2 is communicated with by described high-order overfall 111 with described discharge bay 104, ensure that sewage by the overflow of high-order overfall 111 to discharge bay 104.Further, described discharge bay 104 side wall top is provided with high-order water inlet 112, described high-order water inlet 112 connecting water pipe 101, is conducive to sewage and overcomes level pressure and flow to discharge bay 104 smoothly.Herein, the utility model is not construed as limiting dechlorination pond 102-1, mode of communicating between the former pond 102-2 of heat pump and discharge bay 104, but preferably selects easy economy.
As in preferred embodiment of the present utility model, described sewage source heat pump unit 103 adopts four-way valve refrigerant side switch type sewage source heat pump unit, namely adopt cold-producing medium to be that medium carries out heat supply and refrigeration and completes heat supply by four-way change-over valve 103-2 and cooling condition switches, when avoiding sewage source heat pump unit 103 to adopt water side to switch, easily cause proliferation of germs to the danger of end-equipment.In this case, preferred described sewage source heat pump unit 103 comprises the compressor 103-1, four-way change-over valve 103-2, condenser 103-3, throttling arrangement 103-4 and the evaporimeter 103-5 that connect successively, described condenser 103-3 is connected with cesspool 102 and discharge bay 104 respectively, described evaporimeter 103-5 is connected with air conditioner water circulating system, wherein, as shown in Figure 2, its heat supplying loop as shown in Figure 3 in the refrigerating circuit of described sewage source heat pump unit 103.
During refrigeration, as shown in Figure 2, port c with b of four-way change-over valve 103-2 is connected, port d with a is connected, the outlet of compressor 103-1 is made to connect condenser 103-3, cold-producing medium enters condenser 103-3 from the outlet of compressor 103-1 by the c-b interface of four-way change-over valve 103-2, enters evaporimeter 103-5 from the outlet of condenser 103-3 by throttling arrangement 103-4, then gets back to compressor 103-1 from the outlet of evaporimeter 103-5 by the d-a port of four-way change-over valve 103-2.
During heat supply, as shown in Figure 3, port b with a of four-way change-over valve 103-2 is connected, port c with d is connected, the outlet of compressor 103-1 is made to connect evaporimeter 103-5, cold-producing medium enters evaporimeter 103-5 from the outlet of compressor 103-1 by the c-d interface of four-way change-over valve 103-2, enters condenser 103-3 from the outlet of evaporimeter 103-5 by throttling arrangement 103-4, then gets back to compressor 103-1 from the outlet of condenser 103-3 by the b-a interface of four-way change-over valve 103-2.
Continue with reference to figure 1, described air conditioner water circulating system comprises the Air-conditioning Cycle water pump 202 and end-equipment 203 that are connected by air-conditioning duct 201, and described end-equipment 203 can be air-conditioning equipment, or domestic hot-water's pre-heating heat-exchanging equipment, or heating equipment.
Based on said structure, the workflow of the present embodiment is: Open valve V1 and valve V2, sewage after the process of sewage second-level biochemical treatment system enters the 102-1 dechlorination of dechlorination pond, enter in the former pond 102-2 of heat pump by low level connected entrance 108 again, then enter filter 105 by low level delivery port 109 to filter, then the condenser 103-3 being transported to sewage source heat pump unit 103 by sewage transport water pump 106 carries out heat exchange; During cooling in summer, c-b with the d-a port of four-way change-over valve 103-2 is communicated with, and during Winter heat supply, b-a with the c-d port of four-way change-over valve 103-2 is communicated with; And then, the Lowlevel thermal energy contained in sewage is converted to high-grade energy by sewage source heat pump unit 103, and after the evaporimeter 103-5 of sewage source heat pump unit 103 and air-conditioning backwater carry out heat exchange, above high-grade heat energy is delivered to end-equipment 203 and uses by Air-conditioning Cycle water pump 202; And be sent to discharge bay 104 by high-order water inlet 112 after sewage heat change, and be discharged into municipal wastewater pipe network.
Thus, the sewage source heat pump system that the utility model provides, summer can be user and produces air conditioner cold water, and winter produces air conditioning hot, and transition season produces domestic hot-water, saves the energy, reduces operating cost, environmental protection; In addition, by arranging dechlorination pond 102-1, the corrosion in water metallic conduit containing chlorine residue and equipment is prevented; In addition, sewage source heat pump unit 103 and described sewage transport water pump 106 are installed in Sewage Disposal, make the relevant device that may carry germ be in zone of control; Further, sewage source heat pump unit 103 have employed four-way valve refrigerant side switch type, has cut off when adopting water side to switch and has easily caused proliferation of germs to the approach of end-equipment 203 danger, ensure that the safety and reliability of sewage source heat pump system.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solutions of the utility model; therefore; every content not departing from technical solutions of the utility model; the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all belong to the protection domain of technical solutions of the utility model.
Claims (10)
1. a sewage source heat pump system, is characterized in that: comprise sewage transport system and air conditioner water circulating system, and described air conditioner water circulating system connects described sewage transport system, and described sewage transport system connects sewage second-level biochemical treatment system; Wherein, described sewage transport system comprises the cesspool, sewage source heat pump unit and the discharge bay that are connected successively by water pipe; Described cesspool comprises the dechlorination pond and the former pond of heat pump that are connected; Described sewage source heat pump units' installation is in Sewage Disposal.
2. sewage source heat pump system as claimed in claim 1, it is characterized in that: also comprise the sewage transport water pump be arranged on described water pipe, described sewage transport water pump is arranged in Sewage Disposal.
3. sewage source heat pump system as claimed in claim 2, is characterized in that: described sewage source heat pump unit is four-way valve refrigerant side switch type sewage source heat pump unit.
4. sewage source heat pump system as claimed in claim 3, is characterized in that: described sewage source heat pump unit comprises the compressor, four-way change-over valve, condenser, throttling arrangement and the evaporimeter that connect successively.
5. sewage source heat pump system as claimed in claim 4, it is characterized in that: also comprise the first dividing wall be arranged between described dechlorination pond and the former pond of described heat pump, bottom described first dividing wall, certain altitude place is provided with low level connected entrance, and described dechlorination pond is communicated with by described low level connected entrance with the former pond of described heat pump.
6. sewage source heat pump system as claimed in claim 5, it is characterized in that: also comprise the second dividing wall be arranged between the former pond of described heat pump and described discharge bay, the top of described second dividing wall is provided with high-order overfall, and the former pond of described heat pump is communicated with by described high-order overfall with described discharge bay.
7. sewage source heat pump system as claimed in claim 6, is characterized in that: also comprise the low level delivery port being arranged at certain altitude place bottom the side wall of described heat pump former pond, described low level delivery port connects described water pipe.
8. sewage source heat pump system as claimed in claim 7, it is characterized in that: also comprise the high-order water inlet being arranged at described discharge bay side wall top, described high-order water inlet connects described water pipe.
9. sewage source heat pump system as claimed in claim 8, it is characterized in that: described air conditioner water circulating system comprises the Air-conditioning Cycle water pump and end-equipment that are connected by air-conditioning duct, described end-equipment is air-conditioning equipment, or domestic hot-water's pre-heating heat-exchanging equipment, or heating equipment.
10. the sewage source heat pump system as described in any one of claim 1 to 9, is characterized in that: also comprise and be arranged at filter on described water pipe and valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520012162.7U CN204388427U (en) | 2015-01-08 | 2015-01-08 | Sewage source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520012162.7U CN204388427U (en) | 2015-01-08 | 2015-01-08 | Sewage source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204388427U true CN204388427U (en) | 2015-06-10 |
Family
ID=53361141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520012162.7U Withdrawn - After Issue CN204388427U (en) | 2015-01-08 | 2015-01-08 | Sewage source heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204388427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567103A (en) * | 2015-01-08 | 2015-04-29 | 上海建筑设计研究院有限公司 | Sewage source heat pump system |
| CN109110973A (en) * | 2018-09-27 | 2019-01-01 | 戚汝常 | A kind of integrated sewage treating apparatus of recyclable heat-source energy |
-
2015
- 2015-01-08 CN CN201520012162.7U patent/CN204388427U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567103A (en) * | 2015-01-08 | 2015-04-29 | 上海建筑设计研究院有限公司 | Sewage source heat pump system |
| CN109110973A (en) * | 2018-09-27 | 2019-01-01 | 戚汝常 | A kind of integrated sewage treating apparatus of recyclable heat-source energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150610 Effective date of abandoning: 20170728 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150610 Effective date of abandoning: 20170728 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |