CN210638545U - Boiler water inlet heat exchanger for foam production - Google Patents
Boiler water inlet heat exchanger for foam production Download PDFInfo
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- CN210638545U CN210638545U CN201920970730.2U CN201920970730U CN210638545U CN 210638545 U CN210638545 U CN 210638545U CN 201920970730 U CN201920970730 U CN 201920970730U CN 210638545 U CN210638545 U CN 210638545U
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Abstract
The utility model discloses a boiler water inlet heat exchanger for foam production, which is provided with a hot water tank for collecting hot water, wherein a cold water inlet pipe and a hot water outlet pipe are arranged in the hot water tank; a plurality of heat exchange tubes are horizontally arranged between the cold water inlet tube and the hot water outlet tube at intervals; each heat exchange tube is also connected with a heat return tube; two ends of the heat exchange tube are connected with two ends of the heat return tube through a three-way connector to form a closed circular ring; a check valve is arranged in the three-way connector communicated with the cold water inlet pipe; hot water in the heat exchange pipe is prevented from flowing back to the cold water inlet pipe; an automatic temperature control valve is arranged in the three-way connector communicated with the hot water outlet pipe; the automatic temperature control valve is in a normally closed state; through the manual setting control temperature, when the water in the heat exchange pipe reaches the preset temperature, the automatic temperature control valve is opened, warm water in the heat exchange pipe flows into the hot water outlet pipe, and equipment such as a water pump is recycled and directly sent to a staff dormitory to be used as domestic water such as bathing, so that the energy utilization rate is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of hot water reuse equipment, concretely relates to boiler heat exchanger that intakes for production foam.
Background
Energy shortage is always a main problem in the world at present, and how to improve the utilization efficiency of the existing energy while searching for new energy is a great research hotspot. For foam production enterprises, workers and dormitory domestic hot water need to be provided with heating equipment independently, and equipment cost, energy cost of equipment and high cost are required. However, hot water generated in the foam production process is directly discharged and is not utilized, so that a large amount of heat energy is wasted; however, hot water produced during foam production may have toxic materials; and the temperature is too high, so that the water can not be directly used for domestic water in a dormitory of staff.
The chinese utility model "a vacuum hot water boiler" (grant No. CN203323380U, grant No. 2013 year 12 month 04 day) discloses a vacuum hot water boiler, as shown in fig. 1, including real empty room 4, be equipped with hot steam induction pipe 10 heat supply steam admission real empty room 4 in real empty room 4 below, be equipped with inlet tube 8 and outlet pipe 9 on real empty room 4, be connected with fin tubular heat exchanger between inlet tube 8 and the outlet pipe 9. The fin-tube heat exchanger exchanges heat with hot steam in the vacuum chamber 4. The low-temperature water in the water inlet pipe 8 enters the finned tube heat exchanger to absorb heat of hot steam, and leaves the vacuum hot water boiler through the water outlet pipe 9 to obtain high-temperature water. The water inlet main pipe 6 is structurally characterized in that two ends of the water inlet main pipe 6 are closed, a hole is formed in the side wall of the water inlet main pipe, and one end of each heat exchange pipe 1 is communicated with the side wall of the water inlet main pipe 6 and is fixed through welding; the water inlet pipe 8 is also communicated with the side wall of the water inlet main pipe 6 and is fixed by welding. The water outlet main pipe 3 is structurally characterized in that two ends of the water outlet main pipe 3 are closed, a hole is formed in the side wall of the water outlet main pipe, and the other end of each heat exchange pipe 1 is communicated with the side wall of the water outlet main pipe 3 and is fixed through welding; the water outlet pipe 9 is also communicated with the side wall of the water outlet main pipe 3 and is fixed by welding. With the structure, two ends of the heat exchanger in the vacuum hot water boiler are welded on the water inlet main pipe 6 and the water outlet main pipe 3 in the vacuum chamber, so that the vacuum chamber is prevented from vacuum leakage. However, the outlet temperature of the outlet pipe 9 cannot be manually controlled, and is not convenient for direct use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a boiler heat exchanger that intakes for production foam to the above-mentioned defect of prior art.
The utility model aims at realizing through the following technical scheme:
a boiler feed water heat exchanger for producing foam comprises a hot water tank for collecting hot water; a cold water inlet pipe with one closed end and a hot water outlet pipe with one closed end are independently arranged in the hot water pool; the closed end of the cold water inlet pipe and the closed end of the hot water outlet pipe are vertically inserted below the liquid level of the hot water pool; a plurality of heat exchange tubes are horizontally arranged between the cold water inlet tube and the hot water outlet tube at intervals; the plurality of heat exchange tubes are arranged between the cold water inlet tube and the hot water outlet tube in parallel; each heat exchange tube is communicated with the cold water inlet tube and the hot water outlet tube; each heat exchange tube is also connected with a heat return tube; two ends of the heat exchange tube are connected with two ends of the heat return tube through two tee joints to form a closed circular ring; one three-way connector is communicated with the cold water inlet pipe, and the other three-way connector is communicated with the hot water outlet pipe; a check valve is arranged in the three-way connector communicated with the cold water inlet pipe; the check valve is in a normally open state; the tee joint communicated with the hot water outlet pipe is arranged in the hot water outlet pipe; an automatic temperature control valve is arranged in the three-way connector communicated with the hot water outlet pipe; the automatic temperature control valve is in a normally closed state.
It should be noted that, the automatic temperature control valve is the prior art, and its temperature can be set for people, and its theory of operation is that the indoor temperature control of user is realized through radiator thermostatic control valve. The radiator thermostatic control valve consists of a thermostatic controller, a flow regulating valve and a pair of connecting pieces, wherein the core part of the thermostatic controller is a sensor unit, namely a thermometer bulb. The thermal bulb can induce the change of the ambient temperature to generate the volume change, and drives the valve core of the regulating valve to generate displacement, thereby regulating the water quantity of the radiator to change the heat dissipating capacity of the radiator. There are many brands of thermostated valves available on the market today, such as the ZZWT model self-operated thermostatic valve from Shanghai Faye fluid control devices, Inc.
Before use, the temperature of the automatic temperature control valve is set, when in use, hot water generated in the foam production process is collected in a hot water tank, when normal temperature cold water flows to the hot water outlet pipe from the cold water inlet pipe through the plurality of heat exchange pipes, the high temperature hot water in the hot water pool heats the heat exchange pipes to heat the normal temperature water in the heat exchange pipes to a certain temperature, when the water temperature in the heat exchange pipe does not reach the set temperature, the automatic temperature control valve can not be opened, the water in the heat exchange pipe continues to flow through the heat return pipe, the high-temperature hot water in the hot water pool can continue to heat the heat return pipe when the water flows in the heat return pipe, then flow out through the heat exchange tube again, until the temperature of water in the heat exchange tube reaches preset temperature, the automatic temperature control valve is opened, and the warm water in the heat exchange tube flows into hot water outlet pipe, recycles equipment such as water pump and directly sends to staff's dormitory and is used as domestic water such as bathing, has improved energy utilization greatly.
Further, in order to ensure the water pressure and the heat exchange efficiency, the pipe diameters of the cold water inlet pipe and the hot water outlet pipe are the same and are four times of the pipe diameter of the heat exchange pipe; the heat exchange tube and the heat return tube have the same tube diameter and are not less than 25 mm.
Compared with the prior art, the utility model discloses at least, following advantage has:
the boiler water inlet heat exchanger for producing foam of the utility model is provided with a hot water tank for collecting hot water, and a cold water inlet pipe and a hot water outlet pipe are arranged in the hot water tank; a plurality of heat exchange tubes are horizontally arranged between the cold water inlet tube and the hot water outlet tube at intervals; each heat exchange tube is also connected with a heat return tube; two ends of the heat exchange tube are connected with two ends of the heat return tube through a three-way connector to form a closed circular ring; one three-way connector is communicated with a cold water inlet pipe, and the other three-way connector is communicated with a hot water outlet pipe; a check valve is arranged in the three-way connector communicated with the cold water inlet pipe; hot water in the heat exchange pipe is prevented from flowing back to the cold water inlet pipe; an automatic temperature control valve is arranged in the three-way connector communicated with the hot water outlet pipe; the automatic temperature control valve is in a normally closed state; through the manual setting control temperature, when the water in the heat exchange pipe reaches the preset temperature, the automatic temperature control valve is opened, warm water in the heat exchange pipe flows into the hot water outlet pipe, and equipment such as a water pump is recycled and directly sent to a staff dormitory to be used as domestic water such as bathing, so that the energy utilization rate is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view showing a structure of a vacuum hot water boiler in the related art.
Fig. 2 is a schematic structural diagram of the boiler water inlet heat exchanger for foam production according to the present invention.
Description of reference numerals: 1-heat exchange tube; 2-a fin; 3-a main water outlet pipe; 4-vacuum chamber; 5-rear wall of vacuum chamber; 6-water inlet main pipe; 7-vacuum chamber front wall; 8-water inlet pipe; 9-water outlet pipe; 10-hot steam introduction pipe; 11-a hot water tank; 12-cold water inlet pipe; 13-hot water outlet pipe; 14-heat exchange tube; 15-a regenerative tube; 16-a three-way connector; 17-a check valve; 18-automatic temperature control valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
As shown in fig. 2, the boiler feed water heat exchanger for foam production in the present embodiment includes a hot water tank 11 for collecting hot water; a cold water inlet pipe 12 with one closed end and a hot water outlet pipe 13 with one closed end are independently arranged in the hot water tank 11; the closed end of the cold water inlet pipe 12 and the closed end of the hot water outlet pipe 13 are both vertically inserted below the liquid level of the hot water tank 11; a plurality of heat exchange tubes 14 are horizontally arranged between the cold water inlet tube 12 and the hot water outlet tube 13 at intervals; the heat exchange pipes 14 are arranged between the cold water inlet pipe 12 and the hot water outlet pipe 13 in parallel; each heat exchange tube 14 is communicated with the cold water inlet tube 12 and the hot water outlet tube 13; each heat exchange tube 14 is also connected with a heat return tube 15; two ends of the heat exchange tube 14 are connected with two ends of the heat return tube 15 through two three-way connectors 16 to form a closed circular ring; one three-way connector 16 is communicated with the cold water inlet pipe 12, and the other three-way connector 16 is communicated with the hot water outlet pipe 13; a check valve 17 is arranged in a three-way connector 16 communicated with the cold water inlet pipe 12; the check valve 17 is in a normally open state; the three-way connector 16 communicated with the hot water outlet pipe 13 is arranged in the hot water outlet pipe 13; an automatic temperature control valve 18 is arranged in a three-way connector 16 communicated with the hot water outlet pipe 13; the automatic thermo-valve 18 is in a normally closed state.
It should be noted that the automatic thermostat valve 8 is a conventional one, the temperature of which can be set manually, and the working principle of which is that the temperature control in the user room is realized by a radiator thermostat valve. The radiator thermostatic control valve consists of a thermostatic controller, a flow regulating valve and a pair of connecting pieces, wherein the core part of the thermostatic controller is a sensor unit, namely a thermometer bulb. The thermal bulb can induce the change of the ambient temperature to generate the volume change, and drives the valve core of the regulating valve to generate displacement, thereby regulating the water quantity of the radiator to change the heat dissipating capacity of the radiator. There are many brands of thermostated valves available on the market today, such as the ZZWT model self-operated thermostatic valve from Shanghai Faye fluid control devices, Inc.
Before use, the temperature of the automatic temperature control valve 18 is set, when the device is used, hot water generated in the foam production process is collected in the hot water tank 11, when normal-temperature cold water flows to the hot water outlet pipe 13 from the cold water inlet pipe 12 through the plurality of heat exchange pipes 14, the high-temperature hot water in the hot water tank 11 heats the heat exchange pipes 14, so that the normal-temperature water in the heat exchange pipes 14 is heated to a certain temperature, when the temperature of the water in the heat exchange pipes 14 does not reach the set temperature, the automatic temperature control valve 18 cannot be opened, the water in the heat exchange pipes 14 continues to flow through the bath pipes 15, when the water flows in the heat return pipes 15, the high-temperature hot water in the hot water tank 11 continues to heat the heat return pipes 15, then flows out through the heat exchange pipes 14 until the temperature of the water in the heat exchange pipes 14 reaches the preset temperature, the automatic temperature control valve 18 is opened, the warm water in the heat exchange pipes 14 flows into the, greatly improving the energy utilization rate.
Preferably, in order to ensure the water pressure and the heat exchange efficiency, the pipe diameters of the cold water inlet pipe 12 and the hot water outlet pipe 13 are the same and four times the pipe diameter of the heat exchange pipe 14; the heat exchange tube 14 and the heat return tube 15 have the same tube diameter and are not less than 25 mm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A boiler feed water heat exchanger for producing foam comprises a hot water tank for collecting hot water; a cold water inlet pipe with one closed end and a hot water outlet pipe with one closed end are independently arranged in the hot water pool; the closed end of the cold water inlet pipe and the closed end of the hot water outlet pipe are vertically inserted below the liquid level of the hot water pool; a plurality of heat exchange tubes are horizontally arranged between the cold water inlet tube and the hot water outlet tube at intervals; the plurality of heat exchange tubes are arranged between the cold water inlet tube and the hot water outlet tube in parallel; each heat exchange tube is communicated with the cold water inlet tube and the hot water outlet tube, and is characterized in that each heat exchange tube is also connected with a heat return tube; two ends of the heat exchange tube are connected with two ends of the heat return tube through two tee joints to form a closed circular ring; one three-way connector is communicated with the cold water inlet pipe, and the other three-way connector is communicated with the hot water outlet pipe; a check valve is arranged in the three-way connector communicated with the cold water inlet pipe; the check valve is in a normally open state; the tee joint communicated with the hot water outlet pipe is arranged in the hot water outlet pipe; an automatic temperature control valve is arranged in the three-way connector communicated with the hot water outlet pipe; the automatic temperature control valve is in a normally closed state.
2. The boiler water inlet heat exchanger for producing foam according to claim 1, wherein the pipe diameter of the cold water inlet pipe is the same as that of the hot water outlet pipe and is four times that of the heat exchange pipe; the heat exchange tube and the heat return tube have the same tube diameter and are not less than 25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970730.2U CN210638545U (en) | 2019-06-18 | 2019-06-18 | Boiler water inlet heat exchanger for foam production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970730.2U CN210638545U (en) | 2019-06-18 | 2019-06-18 | Boiler water inlet heat exchanger for foam production |
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| Publication Number | Publication Date |
|---|---|
| CN210638545U true CN210638545U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920970730.2U Active CN210638545U (en) | 2019-06-18 | 2019-06-18 | Boiler water inlet heat exchanger for foam production |
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| Country | Link |
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| CN (1) | CN210638545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11920298B2 (en) | 2021-08-31 | 2024-03-05 | Kimberly-Clark Worldwide, Inc. | Process and system for controlling temperature of a circulating foamed fluid |
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2019
- 2019-06-18 CN CN201920970730.2U patent/CN210638545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11920298B2 (en) | 2021-08-31 | 2024-03-05 | Kimberly-Clark Worldwide, Inc. | Process and system for controlling temperature of a circulating foamed fluid |
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