Hot water supply system

Abstract

The utility model provides a hot water supply system. The hot water supply system comprises a box body, a tubular heater and an electric control box, a heater accommodating space is arranged at the lower part of the box body, and a plurality of tubular heaters are arranged in the heater accommodating space; a water inlet joint and a water outlet joint are respectively arranged at the top of each tubular heater; the tops of the tubular heaters face upwards and are arranged side by side; the water inlet joint of the first tubular heater is connected with a water inlet pipe, and a water inlet manual valve is arranged on the water inlet pipe; in the direction from the first tubular heater to the last tubular heater, the water outlet connector of each tubular heater is connected with the water inlet connector of the adjacent downstream tubular heater through a connecting pipe; the water outlet connector of the last tubular heater is connected with a water outlet pipe, and a water outlet manual valve is arranged on the water outlet pipe. A control module is arranged in the electric cabinet and used for controlling all the tubular heaters to heat liquid. According to the utility model, the heating power can be adjusted in a large range.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heating system, especially a hot water supply system. BACKGROUND

[0002] In the field of semiconductor, photovoltaic, etc., some processes need to use hot water, and with the process, the temperature of hot water needs to be adjusted many times, which requires that the heating system can adjust the heating power.

[0003] The existing heating device, although some can adjust the heating power, but due to the single heating device, the heating power of single heating device is limited, so the existing heating device cannot adjust the heating power in a large range, which limits the application scene. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model embodiment provides a hot water supply system, which adopts multiple tube heaters in cascade, can adjust the heating power in a large range, and meets the heating needs of most application scenes. To achieve the above technical purpose, the utility model embodiment adopts the technical scheme that:

[0005] The utility model embodiment provides a hot water supply system, which comprises a box body, a tube heater and an electric control box.

[0006] The lower part of the box body is provided with a heater containing space, and multiple tube heaters are arranged in the heater containing space; the top of each tube heater is respectively provided with a water inlet joint and a water outlet joint; the tops of the multiple tube heaters are arranged side by side upwards; the water inlet joint of the first tube heater is connected with a water inlet pipe, and a water inlet manual valve is arranged on the water inlet pipe; from the first tube heater to the last tube heater, the water outlet joint of each tube heater is connected with the water inlet joint of the adjacent downstream tube heater through a connecting pipe; the water outlet joint of the last tube heater is connected with a water outlet pipe, and a water outlet manual valve is arranged on the water outlet pipe.

[0007] The electric control box is arranged on the upper part of the box body, and a control module is arranged in the electric control box, which is used for controlling each tube heater to heat the liquid.

[0008] Further, the bottom of each tube heater is connected with a blowdown joint; the blowdown joint is connected with a blowdown valve.

[0009] Further, the end section of the water outlet pipe is provided with multiple water outlet branch pipes, and a connecting head is arranged on each water outlet branch pipe; an electromagnetic valve is arranged on the connecting head, and each electromagnetic valve is controlled by the control module.

[0010] Further, the bottom of the box body is provided with an adjustable support and a walking trundle.

[0011] Further, the tubular heater comprises a shell, a water inlet joint, a water outlet joint, a drain joint, a top base, a fastening cap, a lead wire joint, an inner tube, a support sheet, a connecting sheet, a screw cap, and an electric heating wire.

[0012] The top of the shell is provided with an outer edge, and the outer edge of the top of the shell is connected to the top base through the fastening cap; the top base is provided with a water inlet channel and a water outlet channel; the water inlet channel and the water outlet channel are communicated with the inside of the shell; the top base is provided with the water inlet joint connected to the water inlet channel and the water outlet joint connected to the water outlet channel; the top base is further provided with the lead wire joint; and the bottom of the shell is provided with the drain joint.

[0013] A plurality of support sheets are arranged around the inner tube; the upper end and the lower end of each support sheet are respectively clamped to a connecting sheet; the connecting sheet at the upper end and the connecting sheet at the lower end of the support sheet are sleeved on the inner tube and are fastened by a screw cap sleeved on the inner tube; a plurality of wire holes are arranged on each support sheet, the electric heating wire passes through the wire holes on each support sheet, and the electric heating wire is arranged around the inner tube in multiple turns; the two ends of each electric heating wire are connected to a lead wire, the lead wire is connected to the lead wire joint on the top base, and the electric heating wire and the lead wire are wrapped with an insulating material; and the upper end of the inner tube is threadedly connected to the water inlet channel in the top base.

[0014] Further, the wire holes on each support sheet are symmetrically arranged around the center of the inner tube.

[0015] Further, the shell, the water inlet joint, the water outlet joint, the drain joint, the top base, the fastening cap, the inner tube, the support sheet, the connecting sheet, and the screw cap are made of PTFE material.

[0016] Further, the insulating material wrapped on the electric heating wire and the lead wire is made of PFA material.

[0017] The technical scheme provided by the embodiment of the utility model has the beneficial effects that:

[0018] 1) The multiple tubular heaters in cascade can obtain higher maximum heating power, so that the heating power of the hot water supply system can be adjusted in a large range.

[0019] 2) The hot water supply system has a large redundancy, and will not completely lose the heating function due to the failure of a single tubular heater. DRAWINGS

[0020] Figure 1 It is a front view of the hot water supply system in the embodiment of the utility model.

[0021] Figure 2 It is an internal view of the hot water supply system in the embodiment of the utility model.

[0022] Figure 3 It is a schematic view of the shell of the tubular heater in the embodiment of the utility model.

[0023] Figure 4 It is the internal structure assembly diagram of the tubular heater in the embodiment of the utility model.

[0024] Figure 5 It is the electric heating wire installation diagram in the internal structure of the tubular heater in the embodiment of the utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is in combination with the embodiment, and the utility model is further detailedly explained.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0026] As shown in Figure 1 and Figure 2 The utility model discloses a hot water supply system, including box 1, tubular heater 2, electric control box 3;

[0027] The lower part of box 1 is equipped with heater containing space 101, and multiple tubular heaters 2 are arranged in heater containing space 101;The top of each tubular heater 2 is equipped with water inlet joint 201 and water outlet joint 202 respectively;Multiple tubular heaters 2 are arranged side by side with the top upwards;The water inlet joint 201 of first tubular heater 2 is connected with water inlet pipe 4, and water inlet manual valve 5 is arranged on water inlet pipe 4;From the direction of last tubular heater 2 to first tubular heater 2, the water outlet joint 202 of each tubular heater 2 is connected with the water inlet joint 201 of its adjacent downstream tubular heater 2 through connecting pipe 6;The water outlet joint 202 of last tubular heater 2 is connected with water outlet pipe 7, and water outlet manual valve 8 is arranged on water outlet pipe 7;

[0028] The electric control box 3 is arranged on the upper part of box 1, and control module is arranged in electric control box 3, and the control module is used for controlling each tubular heater 2 to heat liquid.

[0029] The heat supply water system provided by the embodiment of the utility model, multiple tubular heaters 2 arranged side by side form cascade connection; and the control module can control each tubular heater 2, that is to say, the control module can control any tubular heater 2 to work or shut down, so that when all the tubular heaters 2 work together, the maximum heating power can be obtained; in an embodiment, the maximum heating power of each tubular heater 2 is 12kw, when six tubular heaters 2 are cascaded, the maximum heating power of 72kw can be obtained; and when ten tubular heaters 2 are cascaded, the maximum heating power of 120kw can be obtained; in addition, according to the actual application scene, the control module can control one or a set number of tubular heaters 2 to work, and shut down the remaining tubular heaters 2, so that the total heating power can be reduced. In some embodiments, the control module can also individually adjust the heating power of each tubular heater 2, so that the total heating power can be adjusted more subtly. Another advantage of the cascade use of multiple tubular heaters 2 is that it has greater redundancy, and will not completely lose the heating function due to the failure of a single tubular heater 2, and in most cases, even if one or two tubular heaters 2 fail, the heat supply water system can still meet the heating needs of the actual application scene. When it is necessary to overhaul or replace the tubular heater 2, the water inlet manual valve 5 and the water outlet manual valve 8 can be closed, and the water inlet pipeline and the water outlet pipeline of the heat supply water system are cut off. When overhauling, the water outlet manual valve 8 is closed, so that the water in the water using equipment can be prevented from flowing back into the tubular heater 2.

[0030] More preferably, the bottom of each tubular heater 2 is connected with a blowdown joint 203; the blowdown joint 203 is connected with a blowdown valve; when it is necessary to replace the tubular heater 2 or clean the inside of the tubular heater 2, the blowdown valve can be opened to drain the water or other liquid in the inside of the tubular heater 2.

[0031] More preferably, the end section of the water outlet pipe 7 is provided with multiple water outlet branch pipes 701, and each water outlet branch pipe 701 is provided with a connecting head 702; the connecting head 702 is provided with an electromagnetic valve, and each electromagnetic valve is controlled by the control module; through the multiple water outlet branch pipes 701, hot water can be supplied to multiple water using equipment or multiple hot water tanks of one water using equipment. By controlling the electromagnetic valves on the connecting heads 702 through the control module, the hot water flow direction can be controlled as needed.

[0032] More preferably, the bottom of the box body 1 is provided with an adjustable support 102 and a walking trolley 103; the box body 1 can be moved to a position more easily through the walking trolley 103, and after being moved to the position, the adjustable support 102 is adjusted downward, so that the whole box body 1 stably sits on the ground.

[0033] As Figure 3 , Figure 4 and Figure 5As shown, the tubular heater 2 comprises a shell 200, a water inlet joint 201, a water outlet joint 202, a drain joint 203, a top base 204, a fastening cap 205, a lead joint 206, an inner tube 207, a support sheet 208, a connecting sheet 209, a screw cap 210, an electric heating wire 211;

[0034] The shell 200 is provided with a ring of outer edge at the top, and the ring of outer edge at the top of the shell 200 is connected with the top base 204 through the fastening cap 205. The top base 204 is provided with a water inlet channel 2041 and a water outlet channel 2042. The water inlet channel 2041 and the water outlet channel 2042 are communicated with the inside of the shell 200. The top base 204 is provided with the water inlet joint 202 connected with the water inlet channel 2041 and the water outlet joint 202 connected with the water outlet channel 2042. The top base 204 is further provided with the lead joint 206. The bottom of the shell 200 is provided with the drain joint 203.

[0035] A plurality of support sheets 208 are arranged around the inner tube 207. The upper end and the lower end of each support sheet 208 are respectively clamped with a connecting sheet 209. The connecting sheet 209 at the upper end and the connecting sheet 209 at the lower end of the support sheet 208 are both sleeved on the inner tube 207 and are respectively fastened by a screw cap 210 sleeved on the inner tube 207. A plurality of wire holes 2081 are arranged on each support sheet 208. The electric heating wire 211 passes through the wire holes 2081 on each support sheet 208 and is arranged around the inner tube 207 for multiple turns. The two ends of each electric heating wire 211 are connected with a lead. The lead is connected with the lead joint 206 on the top base 204. The electric heating wire 211 and the lead are both wrapped with insulation material. The upper end of the inner tube 207 is screwed into the water inlet channel 2041 in the top base 204.

[0036] In use, liquid enters the inner tube 207 from the water inlet joint 201 and the water inlet channel 2041 on the top base 204, enters the bottom of the shell 200 from the lower end of the inner tube 207, flows upwards in the inside of the shell 200, passes through the electric heating wire 211 arranged around the inner tube 207, is fully heated, and then flows out from the water outlet channel 2042 and the water outlet joint 202 on the top base 204.

[0037] More preferably, the wire holes 2081 on each support sheet 208 are arranged symmetrically around the center of the inner tube 207, so that the electric heating wire 211 is arranged in order and uniformly heats the liquid.

[0038] More preferably, the shell 200, the water inlet joint 201, the water outlet joint 202, the drain joint 203, the top base 204, the fastening cap 205, the inner tube 207, the support sheet 208, the connecting sheet 209 and the screw cap 210 are all made of PTFE material, which has good corrosion resistance, so that the hot water supply system can be applied to heating of corrosive liquid.

[0039] More preferably, the insulating material outside the electric heating wire 211 and the lead wire is made of PFA material, which has excellent corrosion resistance, so that the electric heating wire 211 and the lead wire can also be applied to the heating of corrosive liquid.

[0040] The embodiments of the present application only exemplarily propose a tubular heater, and other tubular heaters using an electric heating scheme in the prior art can also be applied to the hot water supply system proposed in the embodiments of the present application.

[0041] Finally, it should be explained that the above specific embodiments are only used to illustrate the technical solutions of the present application and are not limited, although the present application is described in detail with reference to the embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A hot water supply system, characterized by, The box (1) is provided with a heater accommodating space (101) in the lower part, and a plurality of tubular heaters (2) are arranged in the heater accommodating space (101); the top of each tubular heater (2) is respectively provided with a water inlet joint (201) and a water outlet joint (202); the tops of the plurality of tubular heaters (2) are arranged side by side upwardly; the water inlet joint (201) of the first tubular heater (2) is connected with a water inlet pipe (4), and a water inlet manual valve (5) is arranged on the water inlet pipe (4); from the first tubular heater (2) to the last tubular heater (2), the water outlet joint (202) of each tubular heater (2) is connected with the water inlet joint (201) of the adjacent downstream tubular heater (2) through a connecting pipe (6); the water outlet joint (202) of the last tubular heater (2) is connected with a water outlet pipe (7), and a water outlet manual valve (8) is arranged on the water outlet pipe (7); The electric control box (3) is arranged on the upper part of the box (1), and a control module is arranged in the electric control box (3), and the control module is used for controlling the tubular heaters (2) to heat the liquid.

2. The hot water supply system according to claim 1, wherein The bottom of each tubular heater (2) is connected with a blowdown joint (203), and the blowdown joint (203) is connected with a blowdown valve.

3. The hot water supply system according to claim 1, wherein The end section of the water outlet pipe (7) is provided with a plurality of water outlet branch pipes (701), and a connecting head (702) is arranged on each water outlet branch pipe (701); an electromagnetic valve is arranged on the connecting head (702), and the electromagnetic valves are controlled by the control module.

4. The hot water supply system according to claim 1, wherein The bottom of the box (1) is provided with an adjustable support (102) and a walking trolley (103).

5. The hot water supply system according to claim 1, wherein The tubular heater (2) comprises a shell (200), a water inlet joint (201), a water outlet joint (202), a blowdown joint (203), a top seat (204), a fastening cap (205), a lead joint (206), an inner tube (207), a support sheet (208), a connecting sheet (209), a screw cap (210) and an electric heating wire (211); the top of the shell (200) is provided with a ring-shaped outer edge, and the ring-shaped outer edge of the top of the shell (200) is connected with the top seat (204) through the fastening cap (205); the top seat (204) is provided with a water inlet channel (2041) and a water outlet channel (2042); the water inlet channel (2041) and the water outlet channel (2042) are communicated with the inside of the shell (200); the top seat (204) is further provided with the water inlet joint (201) connected with the water inlet channel (2041) and the water outlet joint (202) connected with the water outlet channel (2042); the top seat (204) is further provided with the lead joint (206); and the bottom of the shell (200) is provided with the blowdown joint (203). ​ ​ A plurality of support pieces (208) are arranged around the inner tube (207); the upper end and the lower end of each support piece (208) are respectively clamped with a connecting piece (209); the connecting piece (209) at the upper end and the connecting piece (209) at the lower end of the support piece (208) are both sleeved on the inner tube (207) and are fastened by a nut (210) sleeved on the inner tube (207); a plurality of wire holes (2081) are arranged on each support piece (208), the electric heating wire (211) passes through the wire holes (2081) on each support piece (208) and is arranged around the inner tube (207) for multiple turns; both ends of each electric heating wire (211) are connected with a lead wire, the lead wire is connected with a lead wire connector (206) on the top base (204), and the electric heating wire (211) and the lead wire are both coated with an insulating material; the upper end of the inner tube (207) is threadedly connected with a water inlet channel (2041) in the top base (204).

6. The hot water supply system according to claim 5, wherein The wire holes (2081) on each support piece (208) are arranged symmetrically around the center of the inner tube (207).

7. The hot water supply system according to claim 5, wherein The shell (200), the water inlet connector (201), the water outlet connector (202), the sewage connector (203), the top base (204), the fastening cap (205), the inner tube (207), the support piece (208), the connecting piece (209) and the nut (210) are all made of PTFE material.

8. The hot water supply system according to claim 5, wherein The insulating material coated on the electric heating wire (211) and the lead wire is made of PFA material.

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