CN217604394U - Water flow quantitative control equipment for boiler feed pump - Google Patents

Abstract

The utility model discloses a boiler is rivers quantitative controlgear for feed pump belongs to the pumping equipment field, including orifice plate flowmeter and with orifice plate flowmeter electric connection's controller, orifice plate flowmeter's one end fixedly connected with outlet pipe, the one end fixedly connected with inlet tube of outlet pipe is kept away from to the orifice plate flowmeter, one side fixedly connected with drain pipe of inlet tube, on the outlet pipe and all be equipped with the electric water valve on the drain pipe, the upper end of drain pipe is provided with gas transmission mechanism, gas transmission mechanism includes the intake pipe of fixed connection in drain pipe upper end, the intake pipe sets up between orifice plate flowmeter and electric water valve, the outside of intake pipe is equipped with the pneumatic valve, the outside of drain pipe is equipped with the check valve, the one side of inlet tube is kept away from at the electric water valve to the check valve setting, it can realize reducing the scale deposit that produces because of residual water on the throttle piece of orifice plate flowmeter when the boiler heating, reduce the condition failure emergence that the orifice plate flowmeter arouses because of throttle piece attachment scale deposit.

Description

Water flow quantitative control equipment for boiler feed pump

Technical Field

The utility model relates to a pumping equipment field, more specifically say, relate to a boiler is rivers ration controlgear for feed pump.

Background

If the authorized bulletin number is CN214330874U, a water pump of flow online monitoring type is disclosed, which comprises a water pump, a water pipe, a fixed pipe, a connecting pipe, a monitoring meter, a connecting rod, a stop ball, a first spring, a transmission shaft, an electric telescopic rod, a first stop plate, a second stop plate, a threaded shaft, a slider, a handle, a bottom plate, a support leg, a fixing frame, a pulley column, a rotating shaft and a second spring, although the flow of the water pump is monitored by a pore plate flowmeter, when the electric telescopic rod is started, the electric telescopic rod pushes the transmission shaft to start rotating, pushes an outer side connecting pipe to descend, so that the stop ball at the inner side of the connecting pipe is separated from a kettle mouth of the fixed pipe, so that water circulates in the water pipe, the flow is displayed by the pore plate flowmeter, when the water pump is not used, the connecting pipe is controlled to ascend, the water flow is blocked, and the service life of the pore plate flowmeter is prolonged;

however, the problem that when the existing water pump supplies water to the boiler, the flow of water in a water pipe is monitored in real time by a monitoring meter which is usually made of a hole plate flowmeter, when water exists in the hole plate flowmeter, a throttling element on the inner wall of the hole plate flowmeter is locally contracted along with the change of water pressure, a flow signal of the water flowing through the hole plate flowmeter is indirectly calculated through the pressure difference of the internal pressure and the external pressure of the throttling element, part of water in the water pipe remains and submerges the throttling element of the hole plate flowmeter when the water pump stops, and part of heat generated when the boiler is heated is transferred to the throttling element of the hole plate flowmeter through the water pipe, so that the residual water is heated to generate scaling, and the scaling part is attached to the throttling element to cause the failure of the hole plate flowmeter caused by the fact that the scaling part is attached to the scaling is solved.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a boiler is rivers ration controlgear for water pump, it can realize reducing the scale deposit that produces because of residual water on orifice plate flowmeter's the throttling element when the boiler heating, reduces orifice plate flowmeter and arouses malfunctioning condition emergence because of the throttling element adheres to the scale deposit.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a boiler is rivers ration controlgear for feed pump, include orifice plate flowmeter and with orifice plate flowmeter electric connection's controller, the one end fixedly connected with outlet pipe of orifice plate flowmeter, the one end fixedly connected with inlet tube of outlet pipe is kept away from to the orifice plate flowmeter, one side fixedly connected with drain pipe of inlet tube, all be equipped with the water-operated valve on the outlet pipe, on the inlet tube and on the drain pipe, the upper end of drain pipe is provided with gas transmission mechanism.

Furthermore, gas transmission mechanism includes the intake pipe of fixed connection in the drain pipe upper end, the intake pipe sets up between orifice plate flowmeter and electronic water valve, the outside of intake pipe is equipped with the pneumatic valve.

Furthermore, the outside of drain pipe is equipped with the check valve, the check valve setting is kept away from the one side of inlet tube at electronic water valve.

Furthermore, through being provided with bending section fixed connection between the outside of inlet tube and the one end of drain pipe, the bending section sets up between orifice plate flowmeter and electric water valve.

Furthermore, a filter box is fixedly installed on the air inlet pipe, and a molecular sieve is arranged inside the filter box.

Furthermore, a plurality of heating panels are fixedly installed on the outer side of the water outlet pipe, and the heating panels are arranged between the orifice plate flowmeter and the electric water valve.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme during operation, through opening on the outlet pipe and the electronic water valve on the inlet tube, close the electronic water valve on the drain pipe, make things convenient for rivers to circulate along outlet pipe and inlet tube, simultaneously supply water for the boiler through the water pump, the flow signal of the water between outlet pipe and the inlet tube is monitored and the controller is transmitted to the passing hole board flowmeter, until flow signal reachs the settlement scope, the control water pump parks, close again on the outlet pipe and the electronic water valve on the inlet tube, open the electronic water valve on the drain pipe, can discharge remaining water in the orifice plate flowmeter when conveniently blocking rivers between outlet pipe and the boiler, the scale deposit that produces because of the residual water on the orifice plate flowmeter's the throttle when reducing the boiler heating, it causes the condition emergence of failure because of the throttle adheres to the scale deposit.

(2) When the water drainage pipe drains water, the air valve on the air inlet pipe is opened, the air inlet pipe inputs inert gas into the water inlet pipe to balance the pressure in the water inlet pipe and the atmospheric environment, air in the orifice plate flowmeter and the water inlet pipe is extruded, the corrosion effect of oxygen and water in the air on the inner wall of the orifice plate flowmeter is reduced, the failure condition of the orifice plate flowmeter caused by the corrosion of the inner wall is further reduced until the orifice plate flowmeter and the water inlet pipe are filled with sufficient inert gas, and then the air valve on the air inlet pipe and the electric water valve on the water drainage pipe are closed.

Drawings

Fig. 1 is a schematic structural view of the main view of the present invention;

fig. 2 is a rear view structural schematic diagram of the water outlet pipe of the present invention;

fig. 3 is a schematic rear view of the water inlet pipe of the present invention;

fig. 4 is a schematic sectional view of the intake pipe of the present invention.

The reference numbers in the figures illustrate:

1. an orifice plate flowmeter; 2. a controller; 3. a water outlet pipe; 4. a water inlet pipe; 5. a drain pipe; 6. an electrically operated water valve; 7. an air inlet pipe; 8. an air valve; 9. a one-way valve; 10. a curved section; 11. a filter box; 12. a molecular sieve; 13. a heat sink.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example (b):

referring to fig. 1-4, a water flow quantitative control device for a boiler water supply pump comprises an orifice plate flowmeter 1 and a controller 2 electrically connected with the orifice plate flowmeter 1, wherein one end of the orifice plate flowmeter 1 is fixedly connected with a water outlet pipe 3, one end of the water outlet pipe 3, which is far away from the orifice plate flowmeter 1, is connected to a boiler, one end of the orifice plate flowmeter 1, which is far away from the water outlet pipe 3, is fixedly connected with a water inlet pipe 4, one end of the water inlet pipe 4, which is far away from the orifice plate flowmeter 1, is fixedly connected with a water pump and a water source connected with the water pump, the technical scheme is the prior art, which is not shown in the figures, one side of the water inlet pipe 4 is fixedly connected with a water outlet pipe 5, electric water valves 6 are respectively arranged on the water outlet pipe 3, the water inlet pipe 4 and the water outlet pipe 5, an air conveying mechanism is arranged at the upper end of the water outlet pipe 5, and the electric water valves 6 on the water inlet pipe 4 are opened during operation, close the electronic water valve 6 on the drain pipe 5, make things convenient for rivers to circulate along outlet pipe 3 and inlet tube 4, simultaneously supply water for the boiler through the water pump, monitor the flow signal of the water between outlet pipe 3 and the inlet tube 4 through orifice plate flowmeter 1 and transmit for controller 2, until flow signal reachs the settlement scope, the control water pump parks, close electronic water valve 6 on outlet pipe 3 and the inlet tube 4 again, open electronic water valve 6 on the drain pipe 5, can discharge remaining water in orifice plate flowmeter 1 when conveniently blocking rivers between outlet pipe 3 and the boiler, the scale deposit that produces because of residual water on the orifice plate flowmeter 1's the throttle when reducing the boiler heating, reduce orifice plate flowmeter 1 and cause the condition emergence of failure because of the throttle adheres to the scale deposit.

Referring to fig. 1 and 3, the outer side of the water inlet pipe 4 is fixedly connected with one end of the water outlet pipe 5 through the bent section 10, the bent section 10 is arranged between the orifice plate flowmeter 1 and the electric water valve 6, and the orifice plate flowmeter 1 and the water outlet pipe 5 are separated through the bent section 10, so that the situation that the water flow in the orifice plate flowmeter 1 is disturbed by the water outlet pipe 5 to interfere with the monitoring work of the orifice plate flowmeter 1 is reduced.

Referring to fig. 3 and 4, the gas transmission mechanism comprises a gas inlet pipe 7 fixedly connected to the upper end of the water discharge pipe 5, one end, far away from the water inlet pipe 4, of the gas inlet pipe 7 is connected with an inert gas source, the gas inlet pipe 7 is arranged between the orifice plate flowmeter 1 and the electric water valve 6, a gas valve 8 is arranged on the outer side of the gas inlet pipe 7, when the water discharge pipe 5 discharges water, the gas valve 8 on the gas inlet pipe 7 is opened, the gas inlet pipe 7 inputs inert gas into the water inlet pipe 4 to balance the pressure in the water inlet pipe 4 and the atmospheric environment, air in the orifice plate flowmeter 1 and the water inlet pipe 4 is squeezed out, the corrosion effect of oxygen and water in the air on the inner wall of the orifice plate flowmeter 1 is reduced, the failure condition of the orifice plate flowmeter 1 caused by the corrosion of the inner wall is further reduced until the orifice plate flowmeter 1 and the water inlet pipe 4 are filled with sufficient inert gas, and then the gas valve 8 on the gas inlet pipe 7 and the electric water valve 6 on the water discharge pipe 5 are closed.

Referring to fig. 3, the outside of drain pipe 5 is equipped with check valve 9, and check valve 9 sets up the one side of keeping away from inlet tube 4 at electric water valve 6, and the rivers that lead in drain pipe 5 through check valve 9 flow, avoid waste water refluence in inlet tube 5, set up the structural feature effect of keeping away from one side of inlet tube 4 at electric water valve 6 through check valve 9 simultaneously, conveniently discharge the water between electric water valve 6 and the check valve 9, reduce the water that remains between electric water valve 6 and the check valve 9.

Referring to fig. 1 and 4, a filter box 11 is fixedly installed on the air inlet pipe 7, a molecular sieve 12 is arranged inside the filter box 11, and when the air delivery mechanism works, air passes through the filter box 11 and enters the water inlet pipe 4, so that the molecular sieve 12 filters water in the air.

Referring to fig. 1 and 2, a plurality of heat dissipation plates 13 are fixedly mounted on the outer side of the water outlet pipe 3, the heat dissipation plates 13 are made of alloy copper, heat dissipation of the heat dissipation plates 13 is facilitated, the heat dissipation plates 13 are arranged between the orifice plate flowmeter 1 and the electric water valve 6, when water in the orifice plate flowmeter 1 is drained, the contact area between the water outlet pipe 3 and air is increased through the heat dissipation plates 13, heat dissipation performance of the water outlet pipe 3 is enhanced, and heat dissipation of the orifice plate flowmeter 1 at one end of the water outlet pipe 3 is facilitated.

The working principle is as follows: during operation, through opening on outlet pipe 3 and the electronic water valve 6 on the inlet tube 4, close electronic water valve 6 on the drain pipe 5, make things convenient for rivers to circulate along outlet pipe 3 and inlet tube 4, simultaneously supply water for the boiler through the water pump, monitor the flow signal of the water between outlet pipe 3 and the inlet tube 4 and transmit for controller 2 through orifice flowmeter 1, until flow signal reachs the settlement scope, the control water pump parks, close again on outlet pipe 3 and the electronic water valve 6 on the inlet tube 4, open the electronic water valve 6 on the drain pipe 5, can discharge remaining water in the orifice flowmeter 1 when conveniently blocking rivers between outlet pipe 3 and the boiler, reduce the scale deposit that produces because of the residual water on the orifice flowmeter's 1 throttle when the boiler heating, reduce orifice flowmeter 1 and cause the malfunctioning condition emergence because of the throttle adheres to the scale deposit.

When the drain pipe 5 drains water, the air valve 8 on the air inlet pipe 7 is opened, inert gas is input into the water inlet pipe 4 by the air inlet pipe 7 to balance the pressure in the water inlet pipe 4 and the atmospheric environment, air in the orifice plate flowmeter 1 and the water inlet pipe 4 is extruded, the corrosion effect of oxygen and water in the air on the inner wall of the orifice plate flowmeter 1 is reduced, the failure of the orifice plate flowmeter 1 caused by the corrosion of the inner wall is further reduced until the orifice plate flowmeter 1 and the water inlet pipe 4 are filled with sufficient inert gas, and then the air valve 8 on the air inlet pipe 7 and the electric water valve 6 on the drain pipe 5 are closed.

The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. The utility model provides a boiler is rivers quantitative controlgear for feed pump, includes orifice plate flowmeter (1) and with orifice plate flowmeter (1) electric connection's controller (2), its characterized in that: the one end fixedly connected with outlet pipe (3) of orifice plate flowmeter (1), the one end fixedly connected with inlet tube (4) of outlet pipe (3) are kept away from in orifice plate flowmeter (1), one side fixedly connected with drain pipe (5) of inlet tube (4), all be equipped with electric water valve (6) on outlet pipe (3), inlet tube (4) and on drain pipe (5), the upper end of drain pipe (5) is provided with gas transmission mechanism.

2. The apparatus for quantitatively controlling water flow for a boiler feed water pump as set forth in claim 1, wherein: the gas transmission mechanism comprises a gas inlet pipe (7) fixedly connected to the upper end of a drain pipe (5), the gas inlet pipe (7) is arranged between the orifice plate flowmeter (1) and the electric water valve (6), and a gas valve (8) is assembled on the outer side of the gas inlet pipe (7).

3. The apparatus for quantitatively controlling water flow for a boiler feed water pump as set forth in claim 1, wherein: the outside of drain pipe (5) is equipped with check valve (9), check valve (9) set up in one side that inlet tube (4) were kept away from in electronic water valve (6).

4. The apparatus for quantitatively controlling water flow for a boiler feed water pump as set forth in claim 1, wherein: through being provided with bending section (10) fixed connection between the outside of inlet tube (4) and the one end of drain pipe (5), bending section (10) set up between orifice plate flowmeter (1) and electric water valve (6).

5. The water flow rate control apparatus for a boiler feed water pump according to claim 2, wherein: the air inlet pipe (7) is fixedly provided with a filter box (11), and a molecular sieve (12) is arranged inside the filter box (11).

6. The water flow rate control apparatus for a boiler feed water pump according to claim 1, wherein: the outside fixed mounting of outlet pipe (3) has a plurality of heating panels (13), heating panel (13) set up between orifice plate flowmeter (1) and electric water valve (6).

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