Constant temperature device of foam liquid storage tank

Abstract

The utility model relates to the technical field of foam liquid storage tanks, in particular to a constant temperature device of a foam liquid storage tank, which comprises a bottom plate, a base is fixedly mounted at the top of the bottom plate, supporting side plates are vertically mounted at two ends of the base, limiting circular grooves are formed in the tops of the supporting side plates, and a storage tank is arranged between the limiting circular grooves. On one hand, the storage tank can be protected from the periphery through the heat preservation assembly, on the other hand, the heat exchange rate between the storage tank and the external environment can be reduced, and the heat preservation performance is improved; the temperature of foam liquid in the storage tank can be accurately fed back in real time through the sensing assembly, so that the heating period of the storage tank can be dynamically adjusted according to the temperature change subsequently, and accurate monitoring and energy-saving regulation and control of the temperature in the storage tank are achieved; and through the heating assembly, the storage tank can be heated from the bottom of the outer side of the storage tank, so that self-adaptive start-stop logic is achieved, the requirements for precise temperature control and energy saving are met, and foam liquid can be better stored for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to foam liquid storage tank technical field, specifically is a kind of foam liquid storage tank's thermostatic device. BACKGROUND

[0002] Foam liquid storage tank is a kind of equipment for storing foam extinguishing agent, which can be mixed with foam extinguishing agent and water in a certain proportion by pressure type proportional mixer to form foam mixture, because it has the characteristics of high reliability, low fire extinguishing cost, wide application range, etc., it is widely used in oil depot tank area, chemical plant, aircraft hangar and other places, especially in indoor flammable liquid fire or flammable solid area such as underground garage, foam liquid storage tank can effectively prevent fire spreading, control fire and prevent fire from rekindling.

[0003] The existing foam liquid storage tank is used, because temperature is one of the important factors affecting foam liquid, therefore, in the daily maintenance work of foam liquid storage tank, the staff will enable the electric heater in fixed time period to make foam liquid storage tank maintain in specific temperature range, but this mainly depends on manual monitoring operation, and the way has the shortcomings such as temperature control lag, unable to respond to temperature change in real time, so that foam liquid is prone to performance decline, and continuous operation of electric heater wastes a lot of energy, and frequent start and stop can shorten the service life of heating equipment, which is not conducive to the temperature control of foam liquid storage tank. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of foam liquid storage tank's thermostatic device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of foam liquid storage tank's thermostatic device, comprising:

[0006] The bottom plate is fixedly installed with a base on the top, and the base is vertically installed with a support side plate at both ends, and a limiting circular groove is opened in the top of the support side plate, and a storage tank is arranged between the limiting circular grooves.

[0007] The protective shell is installed on the top of the base, the storage tank is located in the protective shell, and the protective shell is provided with a heat preservation assembly outside for slowing down the heat loss rate of the storage tank.

[0008] The electric control box is installed on the bottom of one side of the support side plate, and a signal processor and a threshold comparator are respectively installed in the electric control box, and the threshold comparator is connected with the signal processor wiring terminal through data line.

[0009] The sensing assembly is arranged on the top of one end of the storage tank, the other end of the storage tank is provided with a liquid discharge port, the top of the storage tank is provided with a liquid inlet, and the sensing assembly is connected with the signal processor wiring terminal through data line.

[0010] The heating assembly is arranged at the bottom of the inner cavity of the protective shell and is connected with the signal processor wiring end through a data line.

[0011] Preferably, the heat preservation assembly comprises a sealing plate arranged above the protective shell, the bottom of both sides of the sealing plate and the top of both sides of the protective shell are provided with first connecting parts, the first connecting parts are connected through bolts, the storage tanks are respectively penetrated to the outside of the two end limiting circular grooves and are provided with sealing covers, the outside of the sealing covers is provided with second connecting parts, and the second connecting parts are connected with the support side plates through bolts.

[0012] Preferably, the inner wall of the protective shell, the inner wall of the sealing plate and the inner wall of the sealing cover are all provided with a heat insulation layer, one side of the heat insulation layer is provided with a heat preservation layer, one side of the heat preservation layer is provided with a reflection layer, the heat insulation layer is made of aerogel felt material, the heat preservation layer is made of polyurethane material, and the reflection layer is made of aluminum foil reflection material.

[0013] Preferably, the sensing assembly comprises a reserved port arranged at the top of one end of the storage tank, the reserved port is internally provided with a temperature signal sensor, an internal thread groove is formed in the inner wall of the reserved port, the temperature signal sensor is threadedly connected with the reserved port through the internal thread groove, a sealing groove is formed in the bottom of the internal thread groove, and a sealing gasket is mounted in the sealing groove.

[0014] Preferably, the heating assembly comprises a plurality of supporting seats arranged at the bottom of the inner cavity of the protective shell, the plurality of supporting seats divide the inner part of the protective shell into a plurality of independent heating cavities, the supporting seats are respectively connected with the inner walls of both sides of the protective shell, the top of each supporting seat is in contact with the storage tank, an electric heater is fixedly installed at the bottom of each heating cavity, a relay is fixedly installed in the electric control box, the electric heater is connected with the relay wiring end through a wire, and the relay is connected with the signal processor wiring end through a data line.

[0015] Preferably, an overcurrent protector is fixedly installed in the electric control box, and the overcurrent protector is connected with the relay wiring end through a wire.

[0016] Preferably, an audible and visual alarm is fixedly installed on one side of the electric control box, and the audible and visual alarm is connected with the signal processor wiring end through a data line.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The utility model discloses a heat preservation assembly can protect the storage tank from the periphery on one hand, can reduce the heat exchange rate between the storage tank and the external environment on the other hand, improved the heat preservation performance, through the sensing assembly can realize the real -time accurate feedback of the foam liquid temperature in the storage tank, so it is convenient for subsequent according to the temperature change dynamic adjustment heating cycle of the storage tank, realizes the accurate monitoring and energy -saving control of the temperature in the storage tank, through the heating assembly, can heat from the bottom of the storage tank outside, so realize adaptive start -stop logic and give consideration to accurate temperature control and energy -saving demand, be favorable to the better long -term preservation of foam liquid. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic drawing of the utility model;

[0020] Figure 2 It is the structure schematic drawing of the heat preservation assembly of the utility model;

[0021] Figure 3 It is the internal structure schematic drawing of the protective shell of the utility model;

[0022] Figure 4 It is the structure schematic drawing of the heating assembly of the utility model;

[0023] Figure 5 It is the structure schematic drawing of the sensing assembly of the utility model;

[0024] Figure 6 It is the internal structure schematic drawing of the electric control box of the utility model.

[0025] In the drawing: 1, bottom plate;2, base;3, support side plate;4, storage tank;5, limit round groove;6, protective shell;7, heat preservation assembly;71, sealing plate;72, first connecting part;73, sealing cover;74, second connecting part;8, heat insulation layer;9, heat preservation layer;10, reflection layer;11, heating assembly;111, bearing seat;112, heating cavity;113, electric heater;114, relay;12, liquid inlet;13, liquid outlet;14, electric control box;15, sensing assembly;151, reserved port;152, internal thread groove;153, temperature signal sensor;154, sealing groove;155, sealing pad;16, signal processor;17, threshold comparator;18, overcurrent protector;19, audible and light alarm. DETAILED DESCRIPTION

[0026] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiment, structure, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0027] Please refer to Figures 1-6As shown, a constant temperature device of a foam liquid storage tank comprises a bottom plate 1, a base 2 is fixedly installed on the top of the bottom plate 1, support side plates 3 are vertically installed at both ends of the base 2, limiting circular grooves 5 are opened at the top of the support side plates 3, and a storage tank 4 is arranged between the limiting circular grooves 5; a protective shell 6 is installed on the top of the base 2, the storage tank 4 is located inside the protective shell 6, a heat preservation assembly 7 for slowing down the heat loss rate of the storage tank 4 is arranged on the outside of the protective shell 6, by arranging the heat preservation assembly 7 and cooperating with the protective shell 6, on the one hand, the storage tank 4 can be protected from the outside, and on the other hand, the heat exchange rate between the storage tank 4 and the external environment can be reduced, the heat preservation performance is improved, and resource waste is reduced; an electric control box 14 is installed on one side of the bottom of the support side plate 3, a signal processor 16 and a threshold comparator 17 are respectively arranged in the electric control box 14, the threshold comparator 17 is connected with the signal processor 16 through a data line, by arranging the signal processor 16, other electronic devices can be centrally controlled, and the work of each electronic device can be coordinated; a sensing assembly 15 is arranged at the top of one end of the storage tank 4, by arranging the sensing assembly 15, real-time and accurate feedback of the temperature of the foam liquid in the storage tank 4 can be realized, so that the heating cycle of the storage tank 4 can be dynamically adjusted according to the temperature change, compared with the common way of mainly relying on manual monitoring of the temperature in the storage tank 4, the degree of intelligence and automation is higher; a liquid outlet 13 is arranged at the bottom of the other end of the storage tank 4, a liquid inlet 12 is arranged at the top of the storage tank 4, the sensing assembly 15 is connected with the signal processor 16 through a data line; a heating assembly 11 is arranged at the bottom of the inner cavity of the protective shell 6, by arranging the heating assembly 11, the storage tank 4 can be heated from the outside bottom, so that the performance of the foam liquid in the storage tank 4 can be prevented from being affected due to too low temperature, and the foam liquid can be better stored for a long time; the heating assembly 11 is connected with the signal processor 16 through a data line.

[0028] The heat preservation assembly 7 comprises a sealing plate 71 arranged above the protective shell 6, first connecting parts 72 are arranged at the bottom of both sides of the sealing plate 71 and the top of both sides of the protective shell 6, the first connecting parts 72 are connected through bolts, the storage tank 4 penetrates to the outside of both ends of the limiting circular grooves 5 and is provided with sealing covers 73, second connecting parts 74 are arranged on the outside of the sealing covers 73, and the second connecting parts 74 are connected with the support side plates 3 through bolts, as shown in Figure 1 、 Figure 2 and Figure 3 By arranging the sealing plate 71 and the sealing cover 73, the storage tank 4 can be positioned and installed inside the protective shell 6, after the storage tank 4 is installed, by cooperation between the sealing plate 71, the sealing cover 73 and the protective shell 6, on the one hand, the storage tank 4 can be protected from the outside, and on the other hand, the heat exchange rate between the storage tank 4 and the external environment can be reduced, and the heat preservation performance is improved.

[0029] The inner wall of the protective shell 6, the inner wall of the sealing plate 71 and the inner wall of the sealing cover 73 are provided with a heat insulation layer 8, one side of the heat insulation layer 8 is provided with a heat preservation layer 9, one side of the heat preservation layer 9 is provided with a reflective layer 10, the heat insulation layer 8 is made of aerogel felt material, the heat preservation layer 9 is made of polyurethane material, and the reflective layer 10 is made of aluminum foil reflective material, as shown in Figure 2 、 Figure 3 and Figure 4 , by arranging the heat insulation layer 8 and the heat preservation layer 9, the heat preservation performance of the whole storage tank 4 is further improved, the reflective layer 10 can effectively reflect heat, improve energy utilization efficiency, and thus reduce the temperature fluctuation inside the storage tank 4, which is conducive to keeping the temperature of the foam liquid inside the storage tank 4 constant.

[0030] The sensing assembly 15 includes a reserved port 151 arranged at the top of one end of the storage tank 4, the reserved port 151 is provided with a temperature signal sensor 153, an internal thread groove 152 is formed in the inner wall of the reserved port 151, the temperature signal sensor 153 is threadedly connected with the reserved port 151 through the internal thread groove 152, a sealing groove 154 is formed in the bottom of the internal thread groove 152, and a sealing gasket 155 is arranged in the sealing groove 154, the temperature signal sensor 153 is connected with the signal processor 16 through a data line, as shown in Figure 3 、 Figure 4 and Figure 5 , in actual use, the temperature signal sensor 153 can accurately feedback the temperature of the foam liquid inside the storage tank 4 in real time, the signal processor 16 and the threshold comparator 17 are used to judge whether the temperature of the foam liquid inside the storage tank 4 exceeds the set range, so that the heating cycle of the storage tank 4 can be dynamically adjusted according to the temperature change, the temperature inside the storage tank 4 can be accurately monitored and energy-saving control can be realized, the problems of low efficiency, high energy consumption and insufficient safety in manual operation can be solved, and it needs to be noted that the temperature signal sensor 153 is an insertion type temperature sensor, the probe thereof should be inserted into the liquid surface below 2 / 3, and the temperature signal sensor 153 directly contacts with the foam liquid, so that the interference of the external environment can be reduced.

[0031] The heating assembly 11 includes a plurality of supporting seats 111 arranged in the inner cavity of the protective shell 6, the plurality of supporting seats 111 divide the inner cavity of the protective shell 6 into a plurality of independent heating cavities 112, the supporting seats 111 are respectively connected with the inner walls of the protective shell 6 on both sides, the top of each supporting seat 111 is in contact with the storage tank 4, an electric heater 113 is fixedly arranged at the bottom of each heating cavity 112, a relay 114 is fixedly arranged in the electric control box 14, the electric heater 113 is connected with the relay 114 through a wire, and the relay 114 is connected with the signal processor 16 through a data line, as shown in Figure 2 、 Figure 4 and Figure 6As shown, the support seat 111 can separate the plurality of electric heaters 113, and support the middle position of the storage tank 4, thereby further improving the installation stability of the storage tank 4. The relay 114 can control the on-off of the electric heater 113 according to the temperature feedback output of the sensing assembly 15. When the temperature of the foam liquid in the storage tank 4 is too low, the relay 114 controls the electric heater 113 to start heating the storage tank 4. When the temperature of the foam liquid in the storage tank 4 reaches the preset threshold value, the relay 114 controls the electric heater 113 to stop heating the storage tank 4. Thus, the self-adaptive start-stop logic of the sensing assembly 15 can meet the requirements of precise temperature control and energy saving, which is beneficial to the long-term preservation of the foam liquid.

[0032] The overcurrent protector 18 is fixedly installed in the electric control box 14, and is connected to the relay 114 through a wire. Figure 6 As shown, the overcurrent protector 18 can immediately interrupt the circuit when the current exceeds the set threshold value, thereby ensuring the safe operation of the heating assembly 11.

[0033] The sound-light alarm 19 is fixedly installed on one side of the electric control box 14, and is connected to the signal processor 16 through a data line. Figure 1 、 Figure 6 As shown, the sound-light alarm 19 can remind the worker to stop and overhaul in time when the heating assembly 11 fails or the temperature in the storage tank 4 continuously rises, thereby avoiding more serious accidents.

[0034] Working principle: First, the worker can protect the storage tank 4 from the outside and reduce the heat exchange rate between the storage tank 4 and the external environment through the heat preservation assembly 7, thereby improving the heat preservation performance. Then, the temperature of the foam liquid in the storage tank 4 can be accurately and timely fed back through the sensing assembly 15, thereby facilitating the subsequent dynamic adjustment of the heating period of the storage tank 4 according to the temperature change, and realizing the accurate monitoring and energy-saving regulation of the temperature in the storage tank 4. Compared with the common method of mainly relying on manual monitoring of the temperature in the storage tank 4, the degree of intelligence and automation is higher. The heating assembly 11 can heat the storage tank 4 from the outside bottom, thereby realizing the self-adaptive start-stop logic that meets the requirements of precise temperature control and energy saving, which is beneficial to the long-term preservation of the foam liquid.

[0035] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any indirect modification, equivalent change and modification of the above embodiments based on the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A thermostat for a foam liquid tank, characterized by comprising: Include: The bottom plate (1), the base (2) is fixedly installed on the top of the bottom plate (1), the support side plate (3) is vertically installed on both ends of the base (2), the limiting circular groove (5) is opened on the top of the support side plate (3), and the storage tank (4) is arranged between the limiting circular groove (5); The protective shell (6) is installed on the top of the base (2), the storage tank (4) is located in the protective shell (6), and the heat preservation assembly (7) for slowing down the heat loss speed of the storage tank (4) is arranged on the outer side of the protective shell (6); The electric control box (14) is installed on the bottom of one side of the support side plate (3), the signal processor (16) and the threshold comparator (17) are respectively installed in the electric control box (14), and the threshold comparator (17) is connected with the wiring end of the signal processor (16) through a data line; The sensing assembly (15) is arranged on the top of one end of the storage tank (4), the discharge port (13) is arranged on the bottom of the other end of the storage tank (4), the liquid inlet (12) is arranged on the top of the storage tank (4), and the sensing assembly (15) is connected with the wiring end of the signal processor (16) through a data line; The heating assembly (11) is arranged in the inner cavity of the protective shell (6), and the heating assembly (11) is connected with the wiring end of the signal processor (16) through a data line.

2. A thermostatic device for a foam liquid tank according to claim 1, characterized in that: The heat preservation assembly (7) comprises a sealing plate (71) arranged above the protective shell (6), first connecting parts (72) are arranged on the bottom of both sides of the sealing plate (71) and the top of both sides of the protective shell (6), the first connecting parts (72) are connected through bolts, the storage tank (4) penetrates to the outside of both ends of the limiting circular groove (5) and is provided with a sealing cover (73), a second connecting part (74) is arranged on the outside of the sealing cover (73), and the second connecting part (74) is connected with the support side plate (3) through bolts.

3. A thermostatic device for a foam liquid tank according to claim 2, characterized in that: Heat insulation layers (8) are arranged on the inner wall of the protective shell (6), the inner wall of the sealing plate (71) and the inner wall of the sealing cover (73), one side of the heat insulation layer (8) is provided with a heat preservation layer (9), one side of the heat preservation layer (9) is provided with a reflecting layer (10), the heat insulation layer (8) is made of aerogel felt material, the heat preservation layer (9) is made of polyurethane material, and the reflecting layer (10) is made of aluminum foil reflecting material.

4. The thermostatic device of a foam liquid tank according to claim 1, characterized in that: The sensing assembly (15) comprises a reserved port (151) arranged on the top of one end of the storage tank (4), a temperature signal sensor (153) is arranged in the reserved port (151), an internal thread groove (152) is formed in the inner wall of the reserved port (151), the temperature signal sensor (153) is connected with the reserved port (151) through the internal thread groove (152), a sealing groove (154) is formed in the bottom of the internal thread groove (152), a sealing gasket (155) is arranged in the sealing groove (154), and the temperature signal sensor (153) is connected with the wiring end of the signal processor (16) through a data line.

5. The thermostatic device of a foam liquid tank according to claim 1, characterized in that: The heating assembly (11) comprises a supporting seat (111) arranged at the bottom of the inner cavity of the protective shell (6), the supporting seat (111) is provided with a plurality of supporting seats (111), the plurality of supporting seats (111) divide the inner cavity of the protective shell (6) into a plurality of independent heating cavities (112), the supporting seat (111) is connected with the two sides of the inner wall of the protective shell (6) respectively, the top of the supporting seat (111) is in contact with the storage tank (4), the bottom of each heating cavity (112) is fixedly provided with an electric heater (113), the electric control box (14) is fixedly provided with a relay (114) inside, the electric heater (113) is connected with the wiring end of the relay (114) through wires, and the relay (114) is connected with the wiring end of the signal processor (16) through a data line.

6. A thermostatic device for a foam concentrate tank as defined in claim 5, wherein: The electric control box (14) is fixedly provided with an overcurrent protector (18) inside, and the overcurrent protector (18) is connected with the wiring end of the relay (114) through wires.

7. A thermostatic device for a foam concentrate tank as defined in claim 1, wherein: The electric control box (14) is fixedly provided with an audible and visual alarm (19) on one side, and the audible and visual alarm (19) is connected with the wiring end of the signal processor (16) through a data line.

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