CN213713539U

CN213713539U - Semi-volume type water heater

Info

Publication number: CN213713539U
Application number: CN202021745473.1U
Authority: CN
Inventors: 陈立飞; 陈永锋; 丁磊; 顾之绅
Original assignee: Zhejiang Hangte Container Co ltd
Current assignee: Zhejiang Hangte Container Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-07-16
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a semi-volume water heater, which comprises a tank body, an outlet arranged on the tank body, a shell arranged in the tank body, a heat exchange tube bundle arranged in the shell, and a water inlet and a water outlet arranged on the shell; the bottom of the tank body is provided with an inlet which is communicated with the water outlet through a connecting pipe. The utility model discloses a setting of connecting pipe and import has guaranteed that jar internal portion does not have the stagnant water district of cold temperature for jar internal portion volume utilization ratio is hundred percent, also prevents simultaneously that the stagnant water from stopping in jar body bottom, reduces bacterial growing's problem.

Description

Semi-volume type water heater

Technical Field

The utility model belongs to the technical field of the heat exchanger, especially, relate to a half positive displacement water heater.

Background

The semi-positive displacement heat exchanger is a device which utilizes a heat exchange element to heat cold water in a shell to the service temperature of domestic water and then directly outputs the cold water for use, is used as civil or industrial equipment, is widely applied to occasions such as hotels, restaurants, schools, laundries, ships and the like, and is used as an important component of a hot water supply system.

At present, the existing heat exchanger is usually heated by water entering from a water inlet through a heating pipe, the heated water flows out through a water outlet pipe, the water outlet pipe is arranged in a tank body, and a pipe orifice is arranged downwards. Under this kind of structure, hot water is difficult to reach jar body bottom for the water of bottom is after a period, cooling water, and volume utilization is low, and bacterial growing problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a half volume formula water heater that volume utilization ratio is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a semi-volume water heater comprises a tank body, an outlet arranged on the tank body, a shell arranged in the tank body, a heat exchange tube bundle arranged in the shell, a water inlet and a water outlet arranged on the shell; the bottom of the tank body is provided with an inlet which is communicated with the water outlet through a connecting pipe. The utility model discloses an import of bottom, when hot water flows out from the delivery port, through the connecting pipe, import department flows through at last, the import sets up again and jar body bottom intercommunication, hot water gets into jar body and upwards carries by jar body bottommost position, it has hot water to have guaranteed that jar internal portion is whole to have deposited, it does not have the stagnant water district of cold temperature to have guaranteed jar internal portion, it is higher to have reached heat exchange efficiency, lower energy-conservation, when no cold water is detained simultaneously, make jar internal portion utilization ratio reach hundreds of percents, reduce the stagnant water simultaneously and stop at jar internal portion, avoid bacterial growing's problem.

Further, the connecting pipe can be arranged outside the tank body; make when assembling equipment, more convenient installs equipment, reduced artifical input cost, break down when equipment, when needing to maintain, can directly maintain equipment outside again, more convenient during the maintenance is convenient.

Further, the connecting pipe can be arranged inside the tank body. Can make water directly flow from the delivery port, need not contact the influence of the temperature of external environment, and jar internal portion has the temperature again, when hot water flows from the outlet pipe, through the connecting pipe, has guaranteed that the temperature loss in the connecting pipe can not be great, reduces the loss of heat energy, establishes the connecting pipe inside simultaneously for whole equipment is more pleasing to the eye.

Furthermore, a flow guide and stabilizer for realizing the stable delivery of water flow into the tank body is arranged on the inlet. Through the setting of water conservancy diversion current regulator, hot water flows from the import, water conservancy diversion current regulator sprays outward again at last, this water conservancy diversion current regulator is used for realizing rivers and carries to the internal jar with the stable state, the water-locator that water conservancy diversion current regulator can adopt the purchase on the market, hot water can flow in to jar body bottom with mild velocity of flow under the effect of water conservancy diversion current regulator, and can be in jar body bottom at utmost disperse, make hot water distribute more evenly, further avoid the condition of the difference in temperature to appear in jar body bottom, volume utilization is improved.

Furthermore, the heat exchange tube bundle comprises a plurality of baffle plates and heat exchange tubes arranged on the baffle plates; the heat exchange tube has a corrugated section. Through the setting of ripple section, increased the area of contact with water, water flows according to the shape orbit of ripple section simultaneously for water produces the flow of fluctuation, has started the effect of rocking to water, thereby reaches the heating effect more.

Furthermore, the corrugated section is provided with a plurality of spherical bulges at even intervals along the length direction of the heat exchange tube. Through spherical raised setting, this spherical protruding can receive the influence of the difference in temperature, and heat exchange tube bundle can produce the flexible deformation of micro circumference, when producing great pulling-off force for the incrustation scale that adheres to breaks and drops automatically, and simultaneously when tensile, can produce certain vibrations to water, guarantees the promotion of heating effect.

Furthermore, the shell is provided with a housing, a pipe plate is arranged at the joint of the shell and the housing, and the housing is provided with a heat medium inlet and a heat medium outlet. Through the setting of heat medium import and heat medium export, carry out the heat exchange to the inside water of casing, it is better to have guaranteed the water heating effect, and through the setting of housing, guaranteed whole water heating's in-process simultaneously, be in sealed state for cold water becomes hot water fast, has improved heat exchange efficiency.

To sum up the utility model has the advantages of it is following: the utility model discloses a setting of connecting pipe and import has guaranteed that jar internal portion does not have the stagnant water district of cold temperature for jar internal portion volume utilization ratio is hundred percent, also prevents simultaneously that the stagnant water from stopping in jar body bottom, avoids bacterial growing's problem.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a heat exchange tube bundle in the present invention.

Fig. 4 is a schematic structural diagram of a heat exchange tube bundle in the present invention.

Fig. 5 is an enlarged view of the structure at a in fig. 4.

Fig. 6 is a schematic structural view of the partition, the first baffle, and the second baffle of the present invention.

Detailed Description

As shown in fig. 1-6, a semi-positive displacement heater comprises a tank body 1, an outlet 2, a shell 6, a heat exchange tube bundle 7, a water inlet 60 and a water outlet 61; the outlet 2 is arranged at the upper part of the tank body 1, and an outlet pipe 21 is fixedly connected to the outlet 2; the shell 6 is arranged inside the tank body 1; the heat exchange tube bundle 7 is arranged in the shell 6; the water inlet 60 is arranged at the upper end of the shell 6, and a water inlet pipe 601 is fixedly connected to the water inlet 60; the water outlet 61 is arranged at the lower end of the shell 6, and a water inlet pipe 611 is fixedly connected to the water outlet 61.

Specifically, 1 bottom of the jar body is equipped with import 3, and jar body bottom is located in the import, and hot water gets into jar body and upwards carries by jar body bottommost position, has guaranteed that jar internal portion is whole to have deposited hot water, has guaranteed that jar internal portion does not have the stagnant water district of cold temperature, and it is higher to have reached heat exchange efficiency, and more low power consumption is energy-conserving, when no cold water is detained simultaneously for jar internal portion utilization ratio reaches hundred percent, reduces the stagnant water simultaneously and stops in jar internal portion, avoids the problem that bacterial growing. A flow guide and stabilizer is fixedly connected to the inlet 3 and used for realizing the stable delivery of water flow into the tank body, the flow guide and stabilizer can adopt a water distributor purchased from the market, hot water can flow into the bottom of the tank body at a gentle flow speed under the action of the flow guide and stabilizer and can be dispersed at the bottom of the tank body to the maximum extent, so that the hot water is distributed more uniformly, the temperature difference at the bottom of the tank body is further avoided, and the volume utilization rate is improved; further, the inlet 3 is communicated with the water outlet 61 through a connecting pipe 8; the connecting pipe 8 is a metal pipeline, can be arranged into one section, and can also be arranged into a plurality of sections which are detachably connected, the connecting pipe is arranged into one section, so that the connecting pipe is more convenient to process and mount, the cost is reduced, the connecting pipe is connected by the plurality of sections, when the connecting pipe at a certain part is damaged, only the connecting pipe in the damaged area needs to be replaced, and meanwhile, the size is reduced and the connecting pipe is more convenient in the packaging or transportation process; with this embodiment, connecting pipe 8 is located jar body 1 outsidely, when assembling equipment, more convenient to equipment installation, has reduced artifical input cost, breaks down when equipment, when needing to maintain, can directly maintain equipment outside again, and more convenient is convenient during the maintenance, with other embodiments, connecting pipe 8 also can set up in jar body 1 insidely, can make water directly flow from the delivery port, need not contact the influence of the temperature of external environment, and jar internal portion has the temperature again, when hot water flows from the outlet pipe, through the connecting pipe, has guaranteed that the temperature loss in the connecting pipe can not be great, reduces the loss of heat energy, establishes the connecting pipe inside simultaneously for whole equipment is more pleasing to the eye.

Specifically, the heat exchange tube bundle 7 includes a plurality of baffles 72 and heat exchange tubes 711; the baffle plates 72 are arranged along the upper side and the lower side of the separator 62 in a staggered manner and are fixedly connected with the inner wall of the shell 6, and a plurality of small holes 721 with uniform intervals are arranged on the baffle plates 72; the baffle plate can fix the heat exchange tube bundle, and then the fixing of the heat exchange tube can be enhanced through the arrangement of the small holes 721, so that the dislocation or the movement of the heat exchange tube is prevented; the number of the heat exchange tubes 711 is multiple, and the heat exchange tubes 711 are respectively arranged on the small holes 721 in a penetrating manner, and the number of the heat exchange tubes 711 can be selected according to specific conditions; specifically, the heat exchange tube 711 has a U-shaped structure; and preferably, as shown in fig. 3-5, the heat exchange tube 711 has a corrugated section 70, and the corrugated section 70 is disposed on the horizontal tube of the heat exchange tube 711, and in other embodiments, the horizontal tube of the heat exchange tube may be directly disposed as a straight tube without providing a corrugated end; specifically, ripple section 70 is a plurality of spheroid archs 71, and a plurality of spheroid archs 71 evenly set up along heat exchange tube 711 length direction, and spherical arch can make heat exchange tube bank produce the flexible deformation of micro circumference when receiving the difference in temperature influence, makes the incrustation scale of adhering to on the heat exchange tube inner wall break and drops automatically, and simultaneously when tensile, can produce certain vibrations to aquatic products, realizes the promotion of heating effect, and this spheroid arch 71 is through the mode shaping of physiosis, and the fashioned in-process of physiosis makes the heat exchange tube wall thickness of shaping out even.

Specifically, the baffles 72 are a first baffle 701 and a second baffle 702; a plurality of first baffle plates 701 are disposed in the first chamber 63, and a plurality of second baffle plates 702 are disposed in the second chamber 64; furthermore, the number of the first baffle plates 701 can be selected according to specific conditions, the first baffle plates are specifically metal plates, the metal plates have excellent wear resistance, high temperature resistance and corrosion resistance, are easy to clean, have long service life, can not emit peculiar smell, are more environment-friendly, and improve the quality of hot water heating, further, the first baffle plates 701 are formed by cutting off a part of a semicircular plate, and the bottom of the first baffle plates 701 in the first cavity is fixedly connected with the upper end face of the separator 62; the number of the second baffle plates 702 can be selected according to specific conditions, and is specifically a metal plate, the second baffle plates 702 are formed by cutting off a part of a semicircular plate, and the bottom of the second baffle plates 702 in the second chamber is fixedly connected with the upper end surface 62 of the separating member; first baffle 701 and second baffle 702 are along the even crisscross setting in separator 62 length direction interval, make water when flowing through adopting the even crisscross setting in interval, can flow through a plurality of punishment of buckling for slow down hydrothermal velocity of flow, can contact many times with heat exchange tube bank, hot water absorbs the heat more, and the hot water heating effect is higher.

Specifically, the plurality of first baffle plates 701 and the plurality of second baffle plates 702 are respectively provided with a long rod 7022 in a penetrating manner; a plurality of small grooves 7021 are formed in the first deflector 701 and the second deflector 702 respectively, the small grooves 7021 are circumferentially distributed along the first deflector 701 and the second deflector 702, and the long rods 7022 are inserted into the small grooves 7021 respectively and fixedly connected; through adopting first baffler and second baffler to make and to hydrothermal route extension, the route increases with heat exchanger tube bank contact number of times when prolonging more for the water absorbs the heat more high-efficiently, secondly through the setting of microgroove 7021 again, fixes a plurality of first bafflers and second baffler, prevents the removal of heat exchange tube, and further assurance the clearance between the heat exchange tube is even, and the hot water volume in the inflow clearance is always, and is abundant carry out high-efficient heating to water.

Specifically, one end of the shell 6 is provided with an opening, and the end is connected with a housing 65 through a flange, so that the disassembly is more convenient due to the flange connection, the strength of the connection part is high, and the sealing performance is good; a pipe plate 66 is arranged at the joint of the shell 6 and the housing 65, the pipe plate 66 is in a disc shape, a plurality of through holes 661 are uniformly arranged on the pipe plate 66 at intervals, the number of the through holes 661 is equal to that of the heat exchange pipes, the through holes 661 correspond to one another, and the end parts of the heat exchange pipes are fixedly connected with the through holes 661; the head end of the spacer 62 abuts or is fixedly attached to the tube sheet 66.

Specifically, a heating medium inlet 67 and a heating medium outlet 68 are formed in the housing 65, the housing 65 is divided into an upper chamber 651 and a lower chamber 671, the heating medium can flow along a certain track through the arrangement of the upper chamber and the lower chamber, the heating medium inlet 67 can be better connected with the upper chamber 651 in heat exchange with hot water, and the heating medium outlet 68 is connected with the lower chamber 671.

Specifically, at least one partition 62 is arranged in the housing 6, and through the arrangement of the partition, the water flow path inside the housing is prolonged, so that the heating effect of hot water is better, and the partition 62 divides the housing 6 into at least a first chamber 63 and a second chamber 64 which are communicated with each other; the water outlet 61 is communicated with the first chamber 63, and the water inlet 60 is communicated with the second chamber 64; bundle 7 is distributed within first chamber 63 and second chamber 64.

Specifically, the number of the separators 62 is 1, and the separators are specifically metal plates, the metal plates have excellent wear resistance, high temperature resistance and corrosion resistance, are easy to clean, have long service life, can not emit peculiar smell, are more environment-friendly, and improve the quality of hot water heating, the separators 62 are transversely arranged in the shell 6, the tail ends and two side faces of the separators 62 are fixedly connected with the inner wall of the shell 6, and the tail ends and the two side faces of the separators are fixedly connected with the inner wall of the shell, so that hot water can pass through a bend when flowing, the flow rate of the hot water can be slowed down, the time of the hot water staying in the shell is prolonged, sufficient time is provided for heating the hot water, and the shell 6 is further divided into a first cavity 63 and a second cavity 64 which are distributed up and down; the path of the hot water flow is extended through the first chamber and the second chamber, so that the heating effect of the hot water is better, and preferably, an opening 621 is arranged at the tail end of the partition 62, and the first chamber 63 and the second chamber 64 are communicated through the opening 621; in other embodiments, the number of the partitions 62 may be 2 or more, and by using 2 or more than 2, there may be more paths for the hot water during heating, so that the hot water passes through more paths during heating, the paths are extended, and the heating effect of the hot water is better.

The utility model discloses a work flow specifically as follows: cold water enters the second chamber 64 from the water inlet 60, exchanges heat with the heat exchange tube 711 in the second chamber 64, flows to the first chamber 63 through the opening on the partition 62, exchanges heat with the heat exchange tube 711 in the first chamber 63, and finally flows out from the water outlet 61, is conveyed to the inlet through the connecting tube 8, is sprayed into the tank body 1 through the flow guide and flow stabilizer 4, and is conveyed from the bottom to the upper part of the tank body 1 and finally flows out from the outlet 2.

Claims

1. A semi-volume water heater comprises a tank body (1), an outlet (2) arranged on the tank body (1), a shell (6) arranged in the tank body (1), a heat exchange tube bundle (7) arranged in the shell (6), and a water inlet (60) and a water outlet (61) arranged on the shell (6); the method is characterized in that: the bottom of the tank body (1) is provided with an inlet (3), and the inlet (3) is communicated with the water outlet (61) through a connecting pipe (8).

2. A semi-positive displacement water heater as claimed in claim 1, wherein: and a flow guide and stabilizer (4) for realizing the stable delivery of water flow into the tank body is arranged on the inlet (3).

3. A semi-positive displacement water heater as claimed in claim 1, wherein: the connecting pipe (8) is arranged inside the tank body (1).

4. A semi-positive displacement water heater as claimed in claim 1, wherein: the connecting pipe (8) is arranged outside the tank body (1).

5. A semi-positive displacement water heater as claimed in claim 1, wherein: the heat exchange tube bundle (7) comprises a plurality of baffle plates (72) and heat exchange tubes (711) arranged on the baffle plates (72); the heat exchange tube (711) has a corrugated section (70).

6. A semi-positive displacement water heater according to claim 5, wherein: the corrugated sections (70) are a plurality of spherical bulges (71) which are uniformly arranged along the length direction of the heat exchange tube bundle (7) at intervals.

7. The semi-positive displacement water heater according to claim 1, wherein the shell (6) is provided with a cover (65), the joint of the shell (6) and the cover (65) is provided with a tube plate (66), and the cover (65) is provided with a heating medium inlet (67) and a heating medium outlet (68).