JP5549362B2 - Heat source system and heat supply method - Google Patents

Description

  The present invention relates to a temporary heat source system that is temporarily installed in a heat consuming facility such as a factory and supplies heat to the heat consuming facility, and a heat supply method to the heat consuming facility using the temporary heat source system.

In heat consumption facilities such as factories, a heat source is often required for generating steam and hot water, generating hot air for drying, and adjusting temperature and maintaining temperature. Conventionally, heat generated by burning fossil fuel in a boiler is used. However, in recent years, an alternative from a boiler to a heat pump has been proposed from the viewpoint of effective use of energy (energy saving) and reduction of CO ₂ emissions, which are greenhouse gases. The heat pump uses the property of absorbing ambient heat when the refrigerant (heat medium) is vaporized by evaporation and generating heat when liquefied by condensation. Therefore, as compared with the boiler combustion, it is possible to suitably reduce the primary energy consumption and CO ₂ emissions, running cost can be suppressed significantly.

  Conventionally, as an apparatus using a heat pump as a heat source, for example, Patent Document 1 discloses a heat pump steam / hot water generator in which two concentrators (concentration means) are connected in parallel to a refrigerant pipe of a heat pump. According to Patent Document 1, steam and hot water can be simultaneously supplied from each of the two concentrators.

JP 2006-17426 A

  As described above, although various excellent advantages can be obtained by using a heat pump as a heat source, there is a problem in replacing existing equipment with a boiler. In other words, since introduction to existing facilities that are in operation is accompanied by a temporary decline in production capacity and processing capacity, confirm whether the desired performance can be reliably obtained at the temperature of steam or high-temperature water when replaced. There has been a request from customers (hereinafter collectively referred to as customers) who want to introduce them later. However, at present, in order to install a heat pump, the existing boiler is first removed, a concrete foundation for installing a heat pump (heat source machine) is built, and then a heat pump is installed to perform piping work, etc. With minor modifications. Therefore, it takes a considerable period of time (for example, several months) and cost for the construction, and if the desired performance cannot be obtained, the option of returning to the boiler cannot be assumed.

  In view of such problems, the present invention can confirm the trial effect of the heat pump by temporarily installing the heat pump and making it possible to perform a trial operation, thereby improving customer satisfaction and thus promoting the introduction of the heat pump. An object of the present invention is to provide a heat source system and a heat supply method that can be realized.

In order to solve the above problems, a typical configuration of a heat source system according to the present invention includes an evaporator, a compressor, a condenser, and an expansion valve, and one or a plurality of primary refrigerants circulate through these. Heat source unit mounted on a movable pedestal, a power source for supplying power to the heat pump, a control panel for controlling the heat pump, and a heat exchanger to which a heat medium from a heat consuming facility is supplied And a utility unit placed on a movable base, and the power source is a power source that functions as a transformer, and a secondary refrigerant circulates between the heat pump and the heat exchanger. The secondary refrigerant and the heat medium from the heat consuming equipment perform heat exchange. In addition, another configuration of the heat source system according to the present invention includes an evaporator, a compressor, a condenser, and an expansion valve, which can move one or a plurality of heat pumps in which a primary refrigerant circulates. A heat source unit mounted on the gantry, a power source for supplying power to the heat pump, a control panel for controlling the heat pump, and a heat exchanger to which a heat medium from the heat consuming equipment is supplied on a movable gantry A utility unit mounted thereon, and the power source is a generator or a charging device, and a secondary refrigerant circulates between the heat pump and the heat exchanger, and the secondary refrigerant and the heat consuming equipment receive heat from the heat exchanger. The heat medium exchanges heat.

  According to the above configuration, the heat source system includes the heat source unit and the utility unit installed on a movable base, so that the heat source system can be transported by a truck or the like in units and carried into the site by a crane. As long as various pipes are connected, operation can be started as a unit. Therefore, temporary installation and trial operation of a heat pump as a heat source are possible. Thereby, since the customer can confirm the performance of the heat pump with the actual heat consuming equipment, the introduction of the heat pump can be promoted.

  Further, the heat pump primary refrigerant indirectly exchanges heat with the heat medium via the secondary refrigerant in the heat exchanger, so that even if the heat source unit includes a plurality of heat pumps, The pipe for supplying the medium may be connected only to the heat exchanger. Therefore, it is not necessary to lay a pipe for supplying a heat medium to each of the plurality of heat pumps, so that the piping equipment can be simplified. In addition, the number of heat pumps can be controlled (increase or decrease the number of operating units) according to the load, or the number of heat pumps placed on the gantry can be easily changed.

  An expansion tank for adjusting the pressure of the secondary refrigerant may be provided in the circulation path of the secondary refrigerant in the utility unit. As a result, an excessive increase in the internal pressure of the secondary refrigerant in the circulation path can be prevented. Therefore, it is possible to prevent damage to the device due to an increase in internal pressure.

  In order to solve the above problems, another configuration of the heat source system according to the present invention includes an evaporator, a compressor, a condenser, and an expansion valve, and a heat pump in which a primary refrigerant circulates, and a heat pump. A power supply for supplying power to the heat pump, a control panel for controlling the heat pump, and a movable base on which the heat pump, the power supply, and the control panel are placed, and the heat pump is supplied with a heat medium from the heat consuming equipment, In the heat pump, the primary refrigerant and the heat medium exchange heat.

  Even with such a configuration, all the components of the heat source system are placed on a movable pedestal, so that the installation and removal are easy, and the heat pump can be temporarily installed. In addition, since there is only one heat pump, it is possible to reduce the cost by omitting the heat exchanger for indirect heat exchange by directly connecting the pipe for supplying the heat medium from the heat consuming equipment to the heat pump. Become.

In order to solve the above problems, a typical configuration of a heat supply method according to the present invention is a heat supply method to a heat consuming facility by a heat source system composed of two units, and includes an evaporator, a compressor, One or more heat pumps that have a condenser and an expansion valve and in which the primary refrigerant circulates are installed with a heat source unit mounted on a movable base, which functions as a transformer and supplies power to the heat pump. Installed a utility unit with a power supply to be supplied, a control panel for controlling the heat pump, and a heat exchanger to which the heat medium from the heat consuming equipment is supplied mounted on a movable frame, and the heat pump and heat exchanger And the secondary refrigerant is circulated between them, the heat exchanger and the heat medium piping of the heat consuming equipment are connected, and the heat of the secondary refrigerant and the heat medium from the heat consuming equipment in the heat exchanger is connected. To do the exchange And butterflies. Another configuration of the heat supply method according to the present invention is a heat supply method to a heat consuming facility by a heat source system composed of two units, and includes an evaporator, a compressor, a condenser, and an expansion valve. A heat source having one or a plurality of heat pumps, in which a primary refrigerant circulates, and a heat source unit mounted on a movable base, and comprising a generator or a charging device to supply power to the heat pump; and a heat pump Install a utility unit that places a control panel that controls the heat exchanger and a heat exchanger supplied with a heat medium from a heat-consuming facility on a movable base, and connect these heat pumps and heat exchangers. The secondary refrigerant is circulated in between, the heat exchanger and the heat medium piping of the heat consuming equipment are connected, and the heat exchange between the secondary refrigerant and the heat medium from the heat consuming equipment is performed in the heat exchanger. And

  According to the above configuration, a heat source unit and a utility unit that can be moved are temporarily installed, heat exchange between the primary refrigerant of the heat pump and the heat medium from the heat consuming equipment is performed, and heat supply using the heat pump as a heat source Can be performed. In addition, the component based on the technical idea of the heat source system mentioned above and its description are applicable also to the said heat supply method.

  In order to solve the above-mentioned problems, another configuration of the heat supply method according to the present invention is a method of supplying heat to a heat consuming facility by a heat source system including one unit, which includes an evaporator, a compressor, and a condenser. And one or more heat pumps through which the primary refrigerant circulates, a power supply for supplying power to the heat pump, a control panel for controlling the heat pump, and a heat medium from the heat consuming equipment. Install the unit where the supplied heat exchanger is mounted on a movable base, connect the heat pump and heat exchanger and circulate the secondary refrigerant between them, heat exchanger and heat consumption equipment The heat medium is connected to a pipe of the heat medium, and heat exchange between the secondary refrigerant and the heat medium from the heat consuming equipment is performed in the heat exchanger.

  Even with such a configuration, it is possible to temporarily install a movable unit, that is, a heat source system, and perform heat supply using the heat pump as a heat source in the same manner as described above. In addition, the component based on the technical idea of the heat source system mentioned above and its description are applicable also to the said heat supply method.

  According to the present invention, it is possible to confirm the trial effect of the heat pump by making it possible to temporarily install the heat pump and perform a trial operation, thereby improving customer satisfaction and consequently promoting the introduction of the heat pump. It is possible to provide a heat source system and a heat supply method capable of performing the above.

It is a figure which shows the structure of the heat source system concerning 1st Embodiment. It is a figure explaining the introduction situation of the heat source system concerning a 1st embodiment. It is a figure which shows the structure of the heat-source system concerning 2nd Embodiment. It is a figure which shows the structure of the heat-source system concerning 3rd Embodiment. It is a figure explaining the introduction condition of the heat source system concerning 3rd Embodiment. It is a figure which shows the structure of the heat-source system concerning 4th Embodiment.

  Hereinafter, preferred embodiments of a hot water supply apparatus and a hot water supply system according to the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In the present specification and drawings, elements having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not illustrated. To do.

(First embodiment)
FIG. 1 is a diagram illustrating a configuration of a heat source system 100 according to the first embodiment. In FIG. 1, a pipe through which the primary refrigerant passes is indicated by a broken line, a pipe through which the secondary refrigerant passes is indicated by a solid line, a pipe through which the heat medium passes is indicated by an alternate long and short dash line, and an arrow of each line indicates a passing direction. The connection relationship between the control panel 152 and the power source 154 is indicated by a two-dot chain line.

  The heat source system 100 according to the first embodiment shown in FIG. 1 performs heat exchange with the heat medium supplied from the heat consuming equipment 102, and returns the heat medium after heat exchange to the heat consuming equipment 102. Supply heat to Such a heat source system 100 mainly includes a heat source unit 110 placed on a movable gantry 104a (see FIG. 2), and a utility unit 150 placed on a movable gantry 104b (see FIG. 2). Consists of

  The heat source unit 110 includes a plurality of heat pumps 112a, 112b and 112c mounted on the gantry 104a. In the present embodiment, the heat source unit 110 includes the three heat pumps 112a to 112c. However, the present invention is not limited to this, and the number of heat pumps can be arbitrarily changed. Since these heat pumps 112a to 112c have the same configuration, the heat pump 112a will be described below as an example unless otherwise specified.

  In the heat pump 112a, the primary refrigerant circulates in the internal primary refrigerant circulation path 120. As such a primary refrigerant, chlorofluorocarbon is suitable. However, the present invention is not limited to this, and other refrigerants may be used. An evaporator 122, a compressor 124, a condenser 126, and an expansion valve 128 are provided on the primary refrigerant circulation path 120.

  The evaporator 122 performs heat exchange between the primary refrigerant and the outside air. As a result, the primary refrigerant absorbs heat from the outside air (in the atmosphere) and evaporates. The evaporator 122 includes a blower 122a, and heat exchange efficiency can be improved by forcibly sending outside air to the evaporator 122 by the blower 122a. The primary refrigerant after the heat exchange in the evaporator 122 flows into the compressor 124. The compressor 124 is a so-called pump, and uses the electric power supplied from the power source 154 to pressurize the primary refrigerant to a high pressure state.

  The primary refrigerant pressurized by the compressor 124 flows into the condenser 126. The condenser 126 performs heat exchange between the primary refrigerant and the secondary refrigerant from the utility unit 150. Thereby, the heat of the primary refrigerant is radiated to the secondary refrigerant and condensed. Specifically, the heat source unit 110 is provided with a heat source side secondary refrigerant circulation path 130 including a heat source side secondary refrigerant going path 132 and a heat source side secondary refrigerant return path 134, and the heat source side secondary refrigerant circulation path 130 is provided. The secondary refrigerant circulates through the refrigerant circulation path 130.

  The heat source side secondary refrigerant going path 132 branches to the going branch paths 132a, 132b and 132c on the upstream side of the heat pumps 112a to 112c, and is connected to an inlet of a condenser 126 provided in each of the heat pumps 112a to 112c. The heat source side secondary refrigerant return path 134 branches to return branch paths 134a, 134b and 134c on the downstream side of the heat pumps 112a to 112c, and is connected to an outlet of a condenser 126 provided in each of the heat pumps 112a to 112c. In this embodiment, a pump 130a is provided on the return branch paths 134a to 134c. With this configuration, it is possible to circulate the secondary refrigerant from the utility unit 150 (strictly, a heat exchanger 156 described later) to the condenser 126 using the pump 130a as power.

  In this embodiment, the on / off valve 136a is provided for the forward branch path 132a and the return branch path 134a, the on / off valve 136b is provided for the forward branch path 132b and the return branch path 134b, and the open / close valve is provided for the forward branch path 132c and the return branch path 134c. 136c is provided. Thereby, if the open / close state of the open / close valves 136a to 136c is controlled, the secondary refrigerant can be circulated only to any heat pump among the heat pumps 112a to 112c. In other words, only an arbitrary heat pump can be operated. Thereby, the number of heat pumps to be operated can be changed (number control) according to the load.

  In this embodiment, the pump 130a is provided on the return branch paths 134a to 134c. However, the present invention is not limited to this, and the pump 130a may be provided on the forward branch paths 132a to 132c. The pump 130a is provided in the heat pump 112a, that is, in the heat source unit 110. However, the pump 130a is not limited to this, and is not limited to this. It may be provided on the circulation path 160).

  Then, the primary refrigerant after heat exchange in the condenser 126 flows into the expansion valve 128 and is decompressed and expanded and cooled in the expansion valve 128. Thus, the primary refrigerant can absorb the heat of the outside air again in the evaporator 122 and can be reused. On the other hand, the secondary refrigerant having exchanged heat with the primary refrigerant in the condenser 126 returns to the utility unit 150 through the heat source side secondary refrigerant return path 134.

  The utility unit 150 includes a control panel 152, a power source 154, and a heat exchanger 156 mounted on a movable gantry 104b. The control panel 152 controls the operation of the entire heat source system 100 including the heat pumps 112a to 112c. The control panel 152 has switches (not shown) for operation (instruction input) by a person in charge of equipment, and instruments (not shown) such as a pressure gauge and a voltmeter for displaying the operation status of the heat source system 100. Is provided. Further, power is supplied to the control panel 152 from a commercial power supply (not shown), and power is supplied to each device of the utility unit 150 via the control panel 152.

  The power supply 154 supplies the power supplied from the commercial power supply via the control panel 152 to the heat pumps 112 a to 112 c of the heat source unit 110. At this time, the power supply 154 adjusts the voltage of the power from the commercial power supply so that it matches the operating voltage of the heat pumps 112a to 112c. That is, the power source 154 functions as a transformer.

  Note that the power source 154 can be a generator or a charging device so that power can be supplied alone. As a result, even when power is not supplied from a commercial power source, such as during a power outage, it is possible to operate the heat source unit 110 by supplying power from the power source 154.

  The heat exchanger 156 performs heat exchange between the secondary refrigerant and the heat medium from the heat consuming equipment 102. Specifically, the heat exchanger 156 includes a heat exchanger side secondary refrigerant going path 162 and a heat exchanger side secondary refrigerant return path 164, and the heat exchanger side secondary refrigerant circulation through which the secondary refrigerant passes. A path 160 is connected. One end of the heat exchanger side secondary refrigerant going path 162 is connected to the inlet of the heat exchanger 156, and the other end is connected to the heat source side secondary refrigerant return path 134 by a unit connection pipe 180a described later. One end of the heat exchanger side secondary refrigerant return path 164 is connected to the outlet of the heat exchanger 156, and the other end is connected to the heat source side secondary refrigerant going path 132 by a unit connection pipe 180a. Accordingly, the secondary refrigerant passes through the heat source side secondary refrigerant circulation path 130 and the heat exchanger side secondary refrigerant circulation path 160 and circulates through the condenser 126, that is, the heat pumps 112 a to 112 c and the heat exchanger 156.

  The heat exchanger 156 and the heat consuming equipment 102 are connected by a heat medium circulation path 170. The heat medium circulation path 170 includes a heat medium forward path 172 and a heat medium return path 174. One end of the heat medium going path 172 is connected to the inlet of the heat exchanger 156, and the other end is connected to the heat consuming equipment 102 via a unit connection pipe 180a described later. The heat medium return path 174 has one end connected to the outlet of the heat exchanger 156 and the other end connected to the heat consuming equipment 102 via the unit connection pipe 180a. In this embodiment, a pump 170 a is provided on the heat medium going path 172. Thus, the heat medium from the heat consuming equipment 102 is supplied to the heat exchanger 156 through the heat medium circulation path 170 using the pump 170a as power.

  In the present embodiment, the pump 170a is provided in the heat medium return path 172, but is not limited thereto, and may be provided in the heat medium return path 174. Furthermore, the pump 170a is not necessarily provided on the utility unit 150 side, and may be provided in a heat medium circulation path (not shown) on the heat consuming equipment 102 side.

  With the above configuration, the secondary refrigerant heated by the heat pumps 112 a to 112 c and the heat medium of the heat consumption facility 102 are heat-exchanged in the heat exchanger 156. That is, in the heat exchanger 156, indirect heat exchange between the primary refrigerant and the heat medium is performed via the secondary refrigerant. Thus, even if the heat source unit 110 includes a plurality of heat pumps 112a to 112c by performing indirect heat exchange between the primary refrigerant and the heat medium, a pipe that supplies the heat medium from the heat consuming equipment 102, that is, It is sufficient to connect the heat medium circulation path 170 only to the heat exchanger 156. For this reason, it is not necessary to lay piping for supplying a heat medium to each of the plurality of heat pumps 112a to 112c, and piping facilities can be simplified.

  Further, as described above, the secondary refrigerant piping for the heat pumps 112 a to 112 c, that is, the heat source side secondary refrigerant circulation path 130 is provided only in the heat source unit 110. For this reason, the number of heat pumps mounted (equipped) on the gantry 104a can be easily changed without the utility unit 150 and the heat consuming equipment 102 being modified.

  In this embodiment, the utility unit 150 further includes an expansion tank 158. The expansion tank 158 is provided between the secondary refrigerant supply pipe 158a and the heat exchanger side secondary refrigerant circulation path 160, and passes through the heat source side secondary refrigerant circulation path 130 and the heat exchanger side secondary refrigerant circulation path 160. Adjust the pressure of the circulating secondary refrigerant.

  Specifically, the expansion tank 158 absorbs the expansion when the temperature of the secondary refrigerant rises and volume expansion occurs. Thereby, the pressure of the secondary refrigerant is adjusted, and an excessive increase in the internal pressure of the secondary refrigerant in the heat source side secondary refrigerant circulation path 130 and the heat exchanger side secondary refrigerant circulation path 160 can be prevented. Therefore, it is possible to prevent damage to the device due to an increase in internal pressure. The secondary refrigerant supply pipe 158a is provided with a flow rate adjustment valve 158b. By controlling the flow rate adjustment valve 158b, the supply amount and expansion of the secondary refrigerant to the heat exchanger side secondary refrigerant circulation path 160 are increased. It becomes possible to adjust the storage amount of the secondary medium in the tank 158.

  In the present embodiment, it is assumed that water is used as the secondary refrigerant. However, the present invention is not limited to this, and other types of refrigerants such as antifreeze, oil, and chlorofluorocarbon may be used. Further, since the expansion tank 158 is not an essential component of the utility unit 150 and may be provided as necessary, the above-described advantages can be obtained by providing this.

  Next, a heat supply method to the heat consuming equipment 102 by the heat source system 100 including the heat source unit 110 and the utility unit 150 described above will be described. FIG. 2 is a diagram for explaining a state of introduction of the heat source system according to the first embodiment. As shown in FIG. 2, the heat source unit 110 is mounted on the gantry 104a, and the utility unit 150 is mounted on the gantry 104b. In this embodiment, the gantry 104a and 104b are comprised from a frame. The heat source unit 110 and the utility unit 150 placed on the gantry 104a and 104b can be moved for each unit by connecting and lifting the wire 106a of the crane 106 to the gantry 104a and 104b.

  In this embodiment, the gantry 104a and 104b are configured from a frame, but the present invention is not limited to this. The mounts 104a and 104b may have any shape as long as the heat source unit 110 and the utility unit 150 can be placed, such as a plate shape or a box shape.

  Then, the crane 106 is loaded on a moving means such as a truck (not shown), so that the heat source system 100 is transported to the installation destination (the heat consuming equipment 102 in the present embodiment) and moved again by the crane 106 at the installation destination. To do. Thereafter, at the installation destination, the heat source unit 110 is installed together with the gantry 104a, and the utility unit 150 is installed together with the gantry 104b. Thus, since the heat source system 100 of this embodiment is movable, carrying in and installation are easy. Accordingly, the heat pumps 112a to 112c as heat sources can be temporarily installed.

  Next, by connecting the heat source side secondary refrigerant circulation path 130 and the heat exchanger side secondary refrigerant circulation path 160 by the unit connection pipe 180a, the heat pumps 112a to 112c and the heat exchanger 156 are connected, and between these Circulate secondary refrigerant. In parallel with this, the heat exchanger 156 and the heat consuming equipment 102 are connected by connecting the heat medium circulation path 170 and the heat medium pipe (not shown) in the heat consuming equipment 102 by the equipment connecting pipe 180b. Then, a heat medium is circulated between them. Thus, heat exchange between the primary refrigerant and the secondary refrigerant is performed in the heat pump 126, and heat exchange between the secondary refrigerant and the heat medium is performed in the heat exchanger 156. That is, a heat medium that has indirectly exchanged heat with the primary refrigerant of the heat pumps 112a to 112c is supplied to the heat consuming equipment 102, and heat supply using the heat pumps 112a to 112c as a heat source can be performed, thereby enabling a trial operation.

  As described above, according to the heat source system 100 according to the first embodiment, since the heat source unit 110 and the utility unit 150 are both installed on a movable base, it is possible to transport and carry in units. . Then, if the various units are connected after the two units are installed at the installation destination, the operation can be started with the units. Accordingly, since the heat pumps 112a to 112c as heat sources can be temporarily installed and tested, the customer can check the performance of the heat pump with the actual heat consuming equipment, improve the customer satisfaction, and consequently the heat pump. It is possible to promote the introduction.

  In the present embodiment, the case where the heat medium is heated is exemplified, but the present invention is not limited to this. If a four-way valve (not shown) is provided in the primary refrigerant circulation path 120 and the circulation direction of the primary refrigerant in the primary refrigerant circulation path 120 is reversed, the primary refrigerant is cooled in the heat pumps 112a to 112c, and the cold heat is secondary. It is also possible to cool the heat medium by moving it to the heat medium via the refrigerant. In this case, it is preferable to reverse the circulation direction of the secondary refrigerant and the circulation direction of the heat medium. This is because heat exchange efficiency is improved by using all of the primary refrigerant, the secondary refrigerant, and the heat medium as counterflows.

(Second Embodiment)
FIG. 3 is a diagram illustrating a configuration of a heat source system 200 according to the second embodiment. In addition, about the element which has the function and structure substantially the same as the component of the heat source system 100 of 1st Embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted. In addition, a broken line, a solid line, a one-dot chain line, and a two-dot chain line in FIG. 3 mean the same path and connection relationship as in FIG.

  As shown in FIG. 3, the heat source system 200 of the second embodiment is greatly different from the heat source system 100 of the first embodiment in that one heat pump is provided in the heat source unit 210. Specifically, in the heat source unit 210, only the heat pump 112a is placed on the gantry 104a (see FIG. 2). The heat source side secondary refrigerant going-out path 132 and the heat source side secondary refrigerant returning path 134 are connected to the inlet and outlet of the condenser 126 without branching.

  As in the above configuration, the heat source unit 210 may have only one heat pump. Thereby, when only one heat pump is required for the load on the heat consuming equipment 102 side, the number of heat pumps is not unnecessarily increased, and the equipment cost can be reduced. Also, in the heat source system 200, the utility unit 150 is provided with a heat exchanger 156. As a result of the trial operation of the heat source system 200, an additional heat pump is installed on the gantry 104a when it is desired to consider adding a heat pump. Then, by simply branching the heat source side secondary refrigerant going-out path 132 and the heat source side secondary refrigerant returning path 134 and connecting them to an additional heat pump, it is possible to further perform a trial run under conditions where the number of heat pumps is different.

(Third embodiment)
FIG. 4 is a diagram illustrating a configuration of a heat source system 300 according to the third embodiment. FIG. 5 is a diagram for explaining the introduction status of the heat source system 300 according to the third embodiment. In addition, about the element which has the function and structure substantially the same as the component of the heat source system 100 of 1st Embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted. Also, the broken line, the solid line, the one-dot chain line and the two-dot chain line in FIG. 4 mean the same path and connection relationship as in FIG.

  In the heat source system 300 of the third embodiment, the constituent elements of the heat source unit 110 and the utility unit 150 (see FIG. 1) described above are installed on one frame and packaged (a single unit). And in the point which is not provided with the heat exchanger 156 (refer FIG. 1), it differs greatly from the heat source system 100 of 1st Embodiment. Specifically, as shown in FIG. 5, in the heat source system 300, the heat pump 112 a, the control panel 152, and the power source 154 are mounted on one movable base 304 a.

  As shown in FIG. 4, a heat medium circulation path 370 through which the heat medium from the heat consuming equipment 102 circulates is directly connected to the condenser 126. The heat medium circulation path 370 includes a heat medium forward path 372 and a heat medium return path 374. The heat medium going path 372 is connected from the heat consumption facility 102 to the inlet of the condenser 126, and the heat medium return path 374 is connected from the outlet of the condenser 126 to the heat consumption facility 102. In other words, the heat medium circulation path 370 that supplies the heat medium from the heat consuming equipment 102 is directly connected to the heat pump 112a. A pump 170a is provided on the heat medium circulation path 370 (on the heat medium going path 372 in this embodiment). As a result, the heat medium from the heat consuming equipment 102 is supplied to the condenser 126 through the heat medium circulation path 370 using the pump 170a as power.

  With the above configuration, in the condenser 126 of the heat pump 112a, the primary refrigerant and the heat medium exchange heat directly. As a result, when it is clear that only one heat pump is required for the load on the heat consuming equipment 102 side, that is, when it is not necessary to consider the addition of a heat pump during trial operation, heat for indirect heat exchange is obtained. The cost can be reduced by omitting the exchanger 156 (see FIG. 1). In addition, since the components of the heat source system 300 are mounted on one frame, it is possible to further facilitate transportation, loading, and installation.

(Fourth embodiment)
FIG. 6 is a diagram illustrating a configuration of a heat source system 400 according to the fourth embodiment. In addition, about the element which has the substantially same function and structure as the component of the heat source system 100 of other embodiment mentioned above, the same code | symbol is attached | subjected and description is abbreviate | omitted. Moreover, the broken line, the solid line, the one-dot chain line, and the two-dot chain line in FIG. 6 mean the same path and connection relationship as in FIG.

  The heat source system 400 of the fourth embodiment has one heat pump, and the components of the heat source unit 110 and the utility unit 150 (see FIG. 1) described above are installed on one frame and packaged (one It is greatly different from the heat source system 100 of the first embodiment in that it is a unit.

  Specifically, as shown in FIG. 6, in the heat source system 400, the heat pump 112a, the control panel 152, the power source 154, and the heat exchanger 156 are mounted on one movable stand 304a (see FIG. 5). At this time, since the heat source system 400 is a single unit, the unit connection pipe 180a is not necessary. Therefore, the condenser 126 and the heat exchanger 156 are connected by the secondary refrigerant circulation 430 including the secondary refrigerant going path 432 and the secondary refrigerant return path 434, and the secondary refrigerant circulates therebetween.

  As described above, also by the heat source system 400 of the fourth embodiment, all the components are installed on a movable gantry, so that it is possible to transport and carry in units. Further, by providing the heat exchanger 156, it is possible to consider increasing the number of heat pumps in the heat source system 400. In addition, although the case where only one heat pump is provided in the heat source system 400 is not limited to this, the number of heat pumps can be arbitrarily determined.

  As mentioned above, although the suitable Example of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to this embodiment. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  INDUSTRIAL APPLICABILITY The present invention can be used as a temporary heat source system that is temporarily installed in a heat consuming facility such as a factory and supplies heat to the heat consuming facility, and a heat supply method to the heat consuming facility using the temporary heat source system.

DESCRIPTION OF SYMBOLS 100 ... Heat source system, 102 ... Heat consumption equipment, 104a ... Mount, 104b ... Mount, 106 ... Crane, 106a ... Wire, 110 ... Heat source unit, 112a ... Heat pump, 112b ... Heat pump, 112c ... Heat pump, 120 ... Primary refrigerant circulation path 122 ... Evaporator, 124 ... Compressor, 126 ... Condenser, 128 ... Expansion valve, 130 ... Heat source side secondary refrigerant circulation path, 130a ... Pump, 132 ... Heat source side secondary refrigerant forward path, 132a ... Forward branch path 132b: Forward branch path, 132c: Forward branch path, 134: Heat source side secondary refrigerant return path, 134a ... Return branch path, 134b ... Return branch path, 134c ... Return branch path, 136a ... Open / close valve, 136b ... Open / close valve 136c ... Open / close valve, 150 ... Utility unit, 152 ... Control panel, 154 ... Power supply 156 ... Heat exchanger, 158 ... Expansion tank, 158a ... Secondary refrigerant supply piping, 158b ... Flow rate adjustment valve, 160 ... Heat exchanger side secondary refrigerant circulation path, 162 ... Heat exchanger side secondary refrigerant forward path, 164 ... heat exchanger side secondary refrigerant return path, 170 ... heat medium circulation path, 170a ... pump, 172 ... heat medium return path, 174 ... heat medium return path, 180a ... unit connection pipe, 180b ... equipment connection pipe, 200 ... Heat source system, 210 ... heat source unit, 300 ... heat source system, 370 ... heat medium circulation path, 372 ... heat medium return path, 374 ... heat medium return path, 400 ... heat source system, 432 ... secondary refrigerant return path

Claims (4)

A heat source unit including an evaporator, a compressor, a condenser, and an expansion valve, and one or a plurality of heat pumps in which a primary refrigerant circulates are mounted on a movable frame;
A power supply unit that supplies power to the heat pump, a control panel that controls the heat pump, and a heat exchanger that is supplied with a heat medium from a heat consuming facility, a utility unit mounted on a movable base,
With
The power source is a power source that functions as a transformer,
A heat source system, wherein a secondary refrigerant circulates between the heat pump and the heat exchanger, and the secondary refrigerant and a heat medium from the heat consuming equipment perform heat exchange in the heat exchanger.   A heat source unit including an evaporator, a compressor, a condenser, and an expansion valve, and one or a plurality of heat pumps in which a primary refrigerant circulates are mounted on a movable frame;
  A power supply unit that supplies power to the heat pump, a control panel that controls the heat pump, and a heat exchanger that is supplied with a heat medium from a heat consuming facility, a utility unit mounted on a movable base,
With
  The power source is a generator or a charging device,
  A heat source system, wherein a secondary refrigerant circulates between the heat pump and the heat exchanger, and the secondary refrigerant and a heat medium from the heat consuming equipment perform heat exchange in the heat exchanger. A heat supply method to a heat consuming facility by a heat source system comprising two units,
A heat source unit having an evaporator, a compressor, a condenser, and an expansion valve, on which one or more heat pumps in which a primary refrigerant circulates are mounted on a movable frame;
A power supply that functions as a transformer and supplies power to the heat pump, a control panel that controls the heat pump, and a heat exchanger that is supplied with a heat medium from the heat consuming equipment are mounted on a movable base. Installed the utility unit,
Connect the heat pump and the heat exchanger to circulate a secondary refrigerant between them,
A heat supply comprising: connecting the heat exchanger to a heat medium pipe of the heat consuming equipment, and performing heat exchange between the secondary refrigerant and the heat medium from the heat consuming equipment in the heat exchanger. Method.   A heat supply method to a heat consuming facility by a heat source system comprising two units,
  A heat source unit having an evaporator, a compressor, a condenser, and an expansion valve, on which one or more heat pumps in which a primary refrigerant circulates are mounted on a movable frame;
  A power source comprising a generator or a charging device for supplying power to the heat pump, a control panel for controlling the heat pump, and a heat exchanger to which a heat medium from the heat consuming equipment is supplied on a movable base Installed utility unit,
  Connect the heat pump and the heat exchanger to circulate a secondary refrigerant between them,
  A heat supply comprising: connecting the heat exchanger to a heat medium pipe of the heat consuming equipment, and performing heat exchange between the secondary refrigerant and the heat medium from the heat consuming equipment in the heat exchanger. Method.

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